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linuxdebug/drivers/scsi/qla2xxx/qla_os.c

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null pointer error
2024-07-16 15:50:57 +02:00
// SPDX-License-Identifier: GPL-2.0-only
/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2014 QLogic Corporation
*/
#include "qla_def.h"
#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <linux/kthread.h>
#include <linux/mutex.h>
#include <linux/kobject.h>
#include <linux/slab.h>
#include <linux/blk-mq-pci.h>
#include <linux/refcount.h>
#include <linux/crash_dump.h>
#include <linux/trace_events.h>
#include <linux/trace.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsicam.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_fc.h>
#include "qla_target.h"
/*
* Driver version
*/
char qla2x00_version_str[40];
static int apidev_major;
/*
* SRB allocation cache
*/
struct kmem_cache *srb_cachep;
static struct trace_array *qla_trc_array;
int ql2xfulldump_on_mpifail;
module_param(ql2xfulldump_on_mpifail, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql2xfulldump_on_mpifail,
"Set this to take full dump on MPI hang.");
int ql2xenforce_iocb_limit = 2;
module_param(ql2xenforce_iocb_limit, int, S_IRUGO | S_IWUSR);
MODULE_PARM_DESC(ql2xenforce_iocb_limit,
"Enforce IOCB throttling, to avoid FW congestion. (default: 2) "
"1: track usage per queue, 2: track usage per adapter");
/*
* CT6 CTX allocation cache
*/
static struct kmem_cache *ctx_cachep;
/*
* error level for logging
*/
uint ql_errlev = 0x8001;
int ql2xsecenable;
module_param(ql2xsecenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xsecenable,
"Enable/disable security. 0(Default) - Security disabled. 1 - Security enabled.");
static int ql2xenableclass2;
module_param(ql2xenableclass2, int, S_IRUGO|S_IRUSR);
MODULE_PARM_DESC(ql2xenableclass2,
"Specify if Class 2 operations are supported from the very "
"beginning. Default is 0 - class 2 not supported.");
int ql2xlogintimeout = 20;
module_param(ql2xlogintimeout, int, S_IRUGO);
MODULE_PARM_DESC(ql2xlogintimeout,
"Login timeout value in seconds.");
int qlport_down_retry;
module_param(qlport_down_retry, int, S_IRUGO);
MODULE_PARM_DESC(qlport_down_retry,
"Maximum number of command retries to a port that returns "
"a PORT-DOWN status.");
int ql2xplogiabsentdevice;
module_param(ql2xplogiabsentdevice, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xplogiabsentdevice,
"Option to enable PLOGI to devices that are not present after "
"a Fabric scan. This is needed for several broken switches. "
"Default is 0 - no PLOGI. 1 - perform PLOGI.");
int ql2xloginretrycount;
module_param(ql2xloginretrycount, int, S_IRUGO);
MODULE_PARM_DESC(ql2xloginretrycount,
"Specify an alternate value for the NVRAM login retry count.");
int ql2xallocfwdump = 1;
module_param(ql2xallocfwdump, int, S_IRUGO);
MODULE_PARM_DESC(ql2xallocfwdump,
"Option to enable allocation of memory for a firmware dump "
"during HBA initialization. Memory allocation requirements "
"vary by ISP type. Default is 1 - allocate memory.");
int ql2xextended_error_logging;
module_param(ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
module_param_named(logging, ql2xextended_error_logging, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xextended_error_logging,
"Option to enable extended error logging,\n"
"\t\tDefault is 0 - no logging. 0x40000000 - Module Init & Probe.\n"
"\t\t0x20000000 - Mailbox Cmnds. 0x10000000 - Device Discovery.\n"
"\t\t0x08000000 - IO tracing. 0x04000000 - DPC Thread.\n"
"\t\t0x02000000 - Async events. 0x01000000 - Timer routines.\n"
"\t\t0x00800000 - User space. 0x00400000 - Task Management.\n"
"\t\t0x00200000 - AER/EEH. 0x00100000 - Multi Q.\n"
"\t\t0x00080000 - P3P Specific. 0x00040000 - Virtual Port.\n"
"\t\t0x00020000 - Buffer Dump. 0x00010000 - Misc.\n"
"\t\t0x00008000 - Verbose. 0x00004000 - Target.\n"
"\t\t0x00002000 - Target Mgmt. 0x00001000 - Target TMF.\n"
"\t\t0x7fffffff - For enabling all logs, can be too many logs.\n"
"\t\t0x1e400000 - Preferred value for capturing essential "
"debug information (equivalent to old "
"ql2xextended_error_logging=1).\n"
"\t\tDo LOGICAL OR of the value to enable more than one level");
int ql2xextended_error_logging_ktrace = 1;
module_param(ql2xextended_error_logging_ktrace, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xextended_error_logging_ktrace,
"Same BIT definition as ql2xextended_error_logging, but used to control logging to kernel trace buffer (default=1).\n");
int ql2xshiftctondsd = 6;
module_param(ql2xshiftctondsd, int, S_IRUGO);
MODULE_PARM_DESC(ql2xshiftctondsd,
"Set to control shifting of command type processing "
"based on total number of SG elements.");
int ql2xfdmienable = 1;
module_param(ql2xfdmienable, int, S_IRUGO|S_IWUSR);
module_param_named(fdmi, ql2xfdmienable, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xfdmienable,
"Enables FDMI registrations. "
"0 - no FDMI registrations. "
"1 - provide FDMI registrations (default).");
#define MAX_Q_DEPTH 64
static int ql2xmaxqdepth = MAX_Q_DEPTH;
module_param(ql2xmaxqdepth, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmaxqdepth,
"Maximum queue depth to set for each LUN. "
"Default is 64.");
int ql2xenabledif = 2;
module_param(ql2xenabledif, int, S_IRUGO);
MODULE_PARM_DESC(ql2xenabledif,
" Enable T10-CRC-DIF:\n"
" Default is 2.\n"
" 0 -- No DIF Support\n"
" 1 -- Enable DIF for all types\n"
" 2 -- Enable DIF for all types, except Type 0.\n");
#if (IS_ENABLED(CONFIG_NVME_FC))
int ql2xnvmeenable = 1;
#else
int ql2xnvmeenable;
#endif
module_param(ql2xnvmeenable, int, 0644);
MODULE_PARM_DESC(ql2xnvmeenable,
"Enables NVME support. "
"0 - no NVMe. Default is Y");
int ql2xenablehba_err_chk = 2;
module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xenablehba_err_chk,
" Enable T10-CRC-DIF Error isolation by HBA:\n"
" Default is 2.\n"
" 0 -- Error isolation disabled\n"
" 1 -- Error isolation enabled only for DIX Type 0\n"
" 2 -- Error isolation enabled for all Types\n");
int ql2xiidmaenable = 1;
module_param(ql2xiidmaenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xiidmaenable,
"Enables iIDMA settings "
"Default is 1 - perform iIDMA. 0 - no iIDMA.");
int ql2xmqsupport = 1;
module_param(ql2xmqsupport, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmqsupport,
"Enable on demand multiple queue pairs support "
"Default is 1 for supported. "
"Set it to 0 to turn off mq qpair support.");
int ql2xfwloadbin;
module_param(ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
module_param_named(fwload, ql2xfwloadbin, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xfwloadbin,
"Option to specify location from which to load ISP firmware:.\n"
" 2 -- load firmware via the request_firmware() (hotplug).\n"
" interface.\n"
" 1 -- load firmware from flash.\n"
" 0 -- use default semantics.\n");
int ql2xetsenable;
module_param(ql2xetsenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xetsenable,
"Enables firmware ETS burst."
"Default is 0 - skip ETS enablement.");
int ql2xdbwr = 1;
module_param(ql2xdbwr, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xdbwr,
"Option to specify scheme for request queue posting.\n"
" 0 -- Regular doorbell.\n"
" 1 -- CAMRAM doorbell (faster).\n");
int ql2xgffidenable;
module_param(ql2xgffidenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xgffidenable,
"Enables GFF_ID checks of port type. "
"Default is 0 - Do not use GFF_ID information.");
int ql2xasynctmfenable = 1;
module_param(ql2xasynctmfenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xasynctmfenable,
"Enables issue of TM IOCBs asynchronously via IOCB mechanism"
"Default is 1 - Issue TM IOCBs via mailbox mechanism.");
int ql2xdontresethba;
module_param(ql2xdontresethba, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xdontresethba,
"Option to specify reset behaviour.\n"
" 0 (Default) -- Reset on failure.\n"
" 1 -- Do not reset on failure.\n");
uint64_t ql2xmaxlun = MAX_LUNS;
module_param(ql2xmaxlun, ullong, S_IRUGO);
MODULE_PARM_DESC(ql2xmaxlun,
"Defines the maximum LU number to register with the SCSI "
"midlayer. Default is 65535.");
int ql2xmdcapmask = 0x1F;
module_param(ql2xmdcapmask, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdcapmask,
"Set the Minidump driver capture mask level. "
"Default is 0x1F - Can be set to 0x3, 0x7, 0xF, 0x1F, 0x7F.");
int ql2xmdenable = 1;
module_param(ql2xmdenable, int, S_IRUGO);
MODULE_PARM_DESC(ql2xmdenable,
"Enable/disable MiniDump. "
"0 - MiniDump disabled. "
"1 (Default) - MiniDump enabled.");
int ql2xexlogins;
module_param(ql2xexlogins, uint, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xexlogins,
"Number of extended Logins. "
"0 (Default)- Disabled.");
int ql2xexchoffld = 1024;
module_param(ql2xexchoffld, uint, 0644);
MODULE_PARM_DESC(ql2xexchoffld,
"Number of target exchanges.");
int ql2xiniexchg = 1024;
module_param(ql2xiniexchg, uint, 0644);
MODULE_PARM_DESC(ql2xiniexchg,
"Number of initiator exchanges.");
int ql2xfwholdabts;
module_param(ql2xfwholdabts, int, S_IRUGO);
MODULE_PARM_DESC(ql2xfwholdabts,
"Allow FW to hold status IOCB until ABTS rsp received. "
"0 (Default) Do not set fw option. "
"1 - Set fw option to hold ABTS.");
int ql2xmvasynctoatio = 1;
module_param(ql2xmvasynctoatio, int, S_IRUGO|S_IWUSR);
MODULE_PARM_DESC(ql2xmvasynctoatio,
"Move PUREX, ABTS RX and RIDA IOCBs to ATIOQ"
"0 (Default). Do not move IOCBs"
"1 - Move IOCBs.");
int ql2xautodetectsfp = 1;
module_param(ql2xautodetectsfp, int, 0444);
MODULE_PARM_DESC(ql2xautodetectsfp,
"Detect SFP range and set appropriate distance.\n"
"1 (Default): Enable\n");
int ql2xenablemsix = 1;
module_param(ql2xenablemsix, int, 0444);
MODULE_PARM_DESC(ql2xenablemsix,
"Set to enable MSI or MSI-X interrupt mechanism.\n"
" Default is 1, enable MSI-X interrupt mechanism.\n"
" 0 -- enable traditional pin-based mechanism.\n"
" 1 -- enable MSI-X interrupt mechanism.\n"
" 2 -- enable MSI interrupt mechanism.\n");
int qla2xuseresexchforels;
module_param(qla2xuseresexchforels, int, 0444);
MODULE_PARM_DESC(qla2xuseresexchforels,
"Reserve 1/2 of emergency exchanges for ELS.\n"
" 0 (default): disabled");
static int ql2xprotmask;
module_param(ql2xprotmask, int, 0644);
MODULE_PARM_DESC(ql2xprotmask,
"Override DIF/DIX protection capabilities mask\n"
"Default is 0 which sets protection mask based on "
"capabilities reported by HBA firmware.\n");
static int ql2xprotguard;
module_param(ql2xprotguard, int, 0644);
MODULE_PARM_DESC(ql2xprotguard, "Override choice of DIX checksum\n"
" 0 -- Let HBA firmware decide\n"
" 1 -- Force T10 CRC\n"
" 2 -- Force IP checksum\n");
int ql2xdifbundlinginternalbuffers;
module_param(ql2xdifbundlinginternalbuffers, int, 0644);
MODULE_PARM_DESC(ql2xdifbundlinginternalbuffers,
"Force using internal buffers for DIF information\n"
"0 (Default). Based on check.\n"
"1 Force using internal buffers\n");
int ql2xsmartsan;
module_param(ql2xsmartsan, int, 0444);
module_param_named(smartsan, ql2xsmartsan, int, 0444);
MODULE_PARM_DESC(ql2xsmartsan,
"Send SmartSAN Management Attributes for FDMI Registration."
" Default is 0 - No SmartSAN registration,"
" 1 - Register SmartSAN Management Attributes.");
int ql2xrdpenable;
module_param(ql2xrdpenable, int, 0444);
module_param_named(rdpenable, ql2xrdpenable, int, 0444);
MODULE_PARM_DESC(ql2xrdpenable,
"Enables RDP responses. "
"0 - no RDP responses (default). "
"1 - provide RDP responses.");
int ql2xabts_wait_nvme = 1;
module_param(ql2xabts_wait_nvme, int, 0444);
MODULE_PARM_DESC(ql2xabts_wait_nvme,
"To wait for ABTS response on I/O timeouts for NVMe. (default: 1)");
static u32 ql2xdelay_before_pci_error_handling = 5;
module_param(ql2xdelay_before_pci_error_handling, uint, 0644);
MODULE_PARM_DESC(ql2xdelay_before_pci_error_handling,
"Number of seconds delayed before qla begin PCI error self-handling (default: 5).\n");
static void qla2x00_clear_drv_active(struct qla_hw_data *);
static void qla2x00_free_device(scsi_qla_host_t *);
static void qla2xxx_map_queues(struct Scsi_Host *shost);
static void qla2x00_destroy_deferred_work(struct qla_hw_data *);
u32 ql2xnvme_queues = DEF_NVME_HW_QUEUES;
module_param(ql2xnvme_queues, uint, S_IRUGO);
MODULE_PARM_DESC(ql2xnvme_queues,
"Number of NVMe Queues that can be configured.\n"
"Final value will be min(ql2xnvme_queues, num_cpus,num_chip_queues)\n"
"1 - Minimum number of queues supported\n"
"8 - Default value");
int ql2xfc2target = 1;
module_param(ql2xfc2target, int, 0444);
MODULE_PARM_DESC(qla2xfc2target,
"Enables FC2 Target support. "
"0 - FC2 Target support is disabled. "
"1 - FC2 Target support is enabled (default).");
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
struct scsi_transport_template *qla2xxx_transport_vport_template = NULL;
/* TODO Convert to inlines
*
* Timer routines
*/
__inline__ void
qla2x00_start_timer(scsi_qla_host_t *vha, unsigned long interval)
{
timer_setup(&vha->timer, qla2x00_timer, 0);
vha->timer.expires = jiffies + interval * HZ;
add_timer(&vha->timer);
vha->timer_active = 1;
}
static inline void
qla2x00_restart_timer(scsi_qla_host_t *vha, unsigned long interval)
{
/* Currently used for 82XX only. */
if (vha->device_flags & DFLG_DEV_FAILED) {
ql_dbg(ql_dbg_timer, vha, 0x600d,
"Device in a failed state, returning.\n");
return;
}
mod_timer(&vha->timer, jiffies + interval * HZ);
}
static __inline__ void
qla2x00_stop_timer(scsi_qla_host_t *vha)
{
del_timer_sync(&vha->timer);
vha->timer_active = 0;
}
static int qla2x00_do_dpc(void *data);
static void qla2x00_rst_aen(scsi_qla_host_t *);
static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t,
struct req_que **, struct rsp_que **);
static void qla2x00_free_fw_dump(struct qla_hw_data *);
static void qla2x00_mem_free(struct qla_hw_data *);
int qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
struct qla_qpair *qpair);
/* -------------------------------------------------------------------------- */
static void qla_init_base_qpair(struct scsi_qla_host *vha, struct req_que *req,
struct rsp_que *rsp)
{
struct qla_hw_data *ha = vha->hw;
rsp->qpair = ha->base_qpair;
rsp->req = req;
ha->base_qpair->hw = ha;
ha->base_qpair->req = req;
ha->base_qpair->rsp = rsp;
ha->base_qpair->vha = vha;
ha->base_qpair->qp_lock_ptr = &ha->hardware_lock;
ha->base_qpair->use_shadow_reg = IS_SHADOW_REG_CAPABLE(ha) ? 1 : 0;
ha->base_qpair->msix = &ha->msix_entries[QLA_MSIX_RSP_Q];
ha->base_qpair->srb_mempool = ha->srb_mempool;
INIT_LIST_HEAD(&ha->base_qpair->hints_list);
ha->base_qpair->enable_class_2 = ql2xenableclass2;
/* init qpair to this cpu. Will adjust at run time. */
qla_cpu_update(rsp->qpair, raw_smp_processor_id());
ha->base_qpair->pdev = ha->pdev;
if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
ha->base_qpair->reqq_start_iocbs = qla_83xx_start_iocbs;
}
static int qla2x00_alloc_queues(struct qla_hw_data *ha, struct req_que *req,
struct rsp_que *rsp)
{
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
ha->req_q_map = kcalloc(ha->max_req_queues, sizeof(struct req_que *),
GFP_KERNEL);
if (!ha->req_q_map) {
ql_log(ql_log_fatal, vha, 0x003b,
"Unable to allocate memory for request queue ptrs.\n");
goto fail_req_map;
}
ha->rsp_q_map = kcalloc(ha->max_rsp_queues, sizeof(struct rsp_que *),
GFP_KERNEL);
if (!ha->rsp_q_map) {
ql_log(ql_log_fatal, vha, 0x003c,
"Unable to allocate memory for response queue ptrs.\n");
goto fail_rsp_map;
}
ha->base_qpair = kzalloc(sizeof(struct qla_qpair), GFP_KERNEL);
if (ha->base_qpair == NULL) {
ql_log(ql_log_warn, vha, 0x00e0,
"Failed to allocate base queue pair memory.\n");
goto fail_base_qpair;
}
qla_init_base_qpair(vha, req, rsp);
if ((ql2xmqsupport || ql2xnvmeenable) && ha->max_qpairs) {
ha->queue_pair_map = kcalloc(ha->max_qpairs, sizeof(struct qla_qpair *),
GFP_KERNEL);
if (!ha->queue_pair_map) {
ql_log(ql_log_fatal, vha, 0x0180,
"Unable to allocate memory for queue pair ptrs.\n");
goto fail_qpair_map;
}
}
/*
* Make sure we record at least the request and response queue zero in
* case we need to free them if part of the probe fails.
*/
ha->rsp_q_map[0] = rsp;
ha->req_q_map[0] = req;
set_bit(0, ha->rsp_qid_map);
set_bit(0, ha->req_qid_map);
return 0;
fail_qpair_map:
kfree(ha->base_qpair);
ha->base_qpair = NULL;
fail_base_qpair:
kfree(ha->rsp_q_map);
ha->rsp_q_map = NULL;
fail_rsp_map:
kfree(ha->req_q_map);
ha->req_q_map = NULL;
fail_req_map:
return -ENOMEM;
}
static void qla2x00_free_req_que(struct qla_hw_data *ha, struct req_que *req)
{
if (IS_QLAFX00(ha)) {
if (req && req->ring_fx00)
dma_free_coherent(&ha->pdev->dev,
(req->length_fx00 + 1) * sizeof(request_t),
req->ring_fx00, req->dma_fx00);
} else if (req && req->ring)
dma_free_coherent(&ha->pdev->dev,
(req->length + 1) * sizeof(request_t),
req->ring, req->dma);
if (req)
kfree(req->outstanding_cmds);
kfree(req);
}
static void qla2x00_free_rsp_que(struct qla_hw_data *ha, struct rsp_que *rsp)
{
if (IS_QLAFX00(ha)) {
if (rsp && rsp->ring_fx00)
dma_free_coherent(&ha->pdev->dev,
(rsp->length_fx00 + 1) * sizeof(request_t),
rsp->ring_fx00, rsp->dma_fx00);
} else if (rsp && rsp->ring) {
dma_free_coherent(&ha->pdev->dev,
(rsp->length + 1) * sizeof(response_t),
rsp->ring, rsp->dma);
}
kfree(rsp);
}
static void qla2x00_free_queues(struct qla_hw_data *ha)
{
struct req_que *req;
struct rsp_que *rsp;
int cnt;
unsigned long flags;
if (ha->queue_pair_map) {
kfree(ha->queue_pair_map);
ha->queue_pair_map = NULL;
}
if (ha->base_qpair) {
kfree(ha->base_qpair);
ha->base_qpair = NULL;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
for (cnt = 0; cnt < ha->max_req_queues; cnt++) {
if (!test_bit(cnt, ha->req_qid_map))
continue;
req = ha->req_q_map[cnt];
clear_bit(cnt, ha->req_qid_map);
ha->req_q_map[cnt] = NULL;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
qla2x00_free_req_que(ha, req);
spin_lock_irqsave(&ha->hardware_lock, flags);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
kfree(ha->req_q_map);
ha->req_q_map = NULL;
spin_lock_irqsave(&ha->hardware_lock, flags);
for (cnt = 0; cnt < ha->max_rsp_queues; cnt++) {
if (!test_bit(cnt, ha->rsp_qid_map))
continue;
rsp = ha->rsp_q_map[cnt];
clear_bit(cnt, ha->rsp_qid_map);
ha->rsp_q_map[cnt] = NULL;
spin_unlock_irqrestore(&ha->hardware_lock, flags);
qla2x00_free_rsp_que(ha, rsp);
spin_lock_irqsave(&ha->hardware_lock, flags);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
kfree(ha->rsp_q_map);
ha->rsp_q_map = NULL;
}
static char *
qla2x00_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
{
struct qla_hw_data *ha = vha->hw;
static const char *const pci_bus_modes[] = {
"33", "66", "100", "133",
};
uint16_t pci_bus;
pci_bus = (ha->pci_attr & (BIT_9 | BIT_10)) >> 9;
if (pci_bus) {
snprintf(str, str_len, "PCI-X (%s MHz)",
pci_bus_modes[pci_bus]);
} else {
pci_bus = (ha->pci_attr & BIT_8) >> 8;
snprintf(str, str_len, "PCI (%s MHz)", pci_bus_modes[pci_bus]);
}
return str;
}
static char *
qla24xx_pci_info_str(struct scsi_qla_host *vha, char *str, size_t str_len)
{
static const char *const pci_bus_modes[] = {
"33", "66", "100", "133",
};
struct qla_hw_data *ha = vha->hw;
uint32_t pci_bus;
if (pci_is_pcie(ha->pdev)) {
uint32_t lstat, lspeed, lwidth;
const char *speed_str;
pcie_capability_read_dword(ha->pdev, PCI_EXP_LNKCAP, &lstat);
lspeed = lstat & PCI_EXP_LNKCAP_SLS;
lwidth = (lstat & PCI_EXP_LNKCAP_MLW) >> 4;
switch (lspeed) {
case 1:
speed_str = "2.5GT/s";
break;
case 2:
speed_str = "5.0GT/s";
break;
case 3:
speed_str = "8.0GT/s";
break;
case 4:
speed_str = "16.0GT/s";
break;
default:
speed_str = "<unknown>";
break;
}
snprintf(str, str_len, "PCIe (%s x%d)", speed_str, lwidth);
return str;
}
pci_bus = (ha->pci_attr & CSRX_PCIX_BUS_MODE_MASK) >> 8;
if (pci_bus == 0 || pci_bus == 8)
snprintf(str, str_len, "PCI (%s MHz)",
pci_bus_modes[pci_bus >> 3]);
else
snprintf(str, str_len, "PCI-X Mode %d (%s MHz)",
pci_bus & 4 ? 2 : 1,
pci_bus_modes[pci_bus & 3]);
return str;
}
static char *
qla2x00_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
{
char un_str[10];
struct qla_hw_data *ha = vha->hw;
snprintf(str, size, "%d.%02d.%02d ", ha->fw_major_version,
ha->fw_minor_version, ha->fw_subminor_version);
if (ha->fw_attributes & BIT_9) {
strcat(str, "FLX");
return (str);
}
switch (ha->fw_attributes & 0xFF) {
case 0x7:
strcat(str, "EF");
break;
case 0x17:
strcat(str, "TP");
break;
case 0x37:
strcat(str, "IP");
break;
case 0x77:
strcat(str, "VI");
break;
default:
sprintf(un_str, "(%x)", ha->fw_attributes);
strcat(str, un_str);
break;
}
if (ha->fw_attributes & 0x100)
strcat(str, "X");
return (str);
}
static char *
qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str, size_t size)
{
struct qla_hw_data *ha = vha->hw;
snprintf(str, size, "%d.%02d.%02d (%x)", ha->fw_major_version,
ha->fw_minor_version, ha->fw_subminor_version, ha->fw_attributes);
return str;
}
void qla2x00_sp_free_dma(srb_t *sp)
{
struct qla_hw_data *ha = sp->vha->hw;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
if (sp->flags & SRB_DMA_VALID) {
scsi_dma_unmap(cmd);
sp->flags &= ~SRB_DMA_VALID;
}
if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
scsi_prot_sg_count(cmd), cmd->sc_data_direction);
sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
}
if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
/* List assured to be having elements */
qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
}
if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
}
if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
ctx1->fcp_cmnd_dma);
list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
mempool_free(ctx1, ha->ctx_mempool);
}
}
void qla2x00_sp_compl(srb_t *sp, int res)
{
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct completion *comp = sp->comp;
/* kref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
cmd->result = res;
sp->type = 0;
scsi_done(cmd);
if (comp)
complete(comp);
}
void qla2xxx_qpair_sp_free_dma(srb_t *sp)
{
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct qla_hw_data *ha = sp->fcport->vha->hw;
if (sp->flags & SRB_DMA_VALID) {
scsi_dma_unmap(cmd);
sp->flags &= ~SRB_DMA_VALID;
}
if (sp->flags & SRB_CRC_PROT_DMA_VALID) {
dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd),
scsi_prot_sg_count(cmd), cmd->sc_data_direction);
sp->flags &= ~SRB_CRC_PROT_DMA_VALID;
}
if (sp->flags & SRB_CRC_CTX_DSD_VALID) {
/* List assured to be having elements */
qla2x00_clean_dsd_pool(ha, sp->u.scmd.crc_ctx);
sp->flags &= ~SRB_CRC_CTX_DSD_VALID;
}
if (sp->flags & SRB_DIF_BUNDL_DMA_VALID) {
struct crc_context *difctx = sp->u.scmd.crc_ctx;
struct dsd_dma *dif_dsd, *nxt_dsd;
list_for_each_entry_safe(dif_dsd, nxt_dsd,
&difctx->ldif_dma_hndl_list, list) {
list_del(&dif_dsd->list);
dma_pool_free(ha->dif_bundl_pool, dif_dsd->dsd_addr,
dif_dsd->dsd_list_dma);
kfree(dif_dsd);
difctx->no_dif_bundl--;
}
list_for_each_entry_safe(dif_dsd, nxt_dsd,
&difctx->ldif_dsd_list, list) {
list_del(&dif_dsd->list);
dma_pool_free(ha->dl_dma_pool, dif_dsd->dsd_addr,
dif_dsd->dsd_list_dma);
kfree(dif_dsd);
difctx->no_ldif_dsd--;
}
if (difctx->no_ldif_dsd) {
ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
"%s: difctx->no_ldif_dsd=%x\n",
__func__, difctx->no_ldif_dsd);
}
if (difctx->no_dif_bundl) {
ql_dbg(ql_dbg_tgt+ql_dbg_verbose, sp->vha, 0xe022,
"%s: difctx->no_dif_bundl=%x\n",
__func__, difctx->no_dif_bundl);
}
sp->flags &= ~SRB_DIF_BUNDL_DMA_VALID;
}
if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
struct ct6_dsd *ctx1 = sp->u.scmd.ct6_ctx;
dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd,
ctx1->fcp_cmnd_dma);
list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list);
ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt;
ha->gbl_dsd_avail += ctx1->dsd_use_cnt;
mempool_free(ctx1, ha->ctx_mempool);
sp->flags &= ~SRB_FCP_CMND_DMA_VALID;
}
if (sp->flags & SRB_CRC_CTX_DMA_VALID) {
struct crc_context *ctx0 = sp->u.scmd.crc_ctx;
dma_pool_free(ha->dl_dma_pool, ctx0, ctx0->crc_ctx_dma);
sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
}
}
void qla2xxx_qpair_sp_compl(srb_t *sp, int res)
{
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
struct completion *comp = sp->comp;
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
cmd->result = res;
sp->type = 0;
scsi_done(cmd);
if (comp)
complete(comp);
}
static int
qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd)
{
scsi_qla_host_t *vha = shost_priv(host);
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
srb_t *sp;
int rval;
if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)) ||
WARN_ON_ONCE(!rport)) {
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
}
if (ha->mqenable) {
uint32_t tag;
uint16_t hwq;
struct qla_qpair *qpair = NULL;
tag = blk_mq_unique_tag(scsi_cmd_to_rq(cmd));
hwq = blk_mq_unique_tag_to_hwq(tag);
qpair = ha->queue_pair_map[hwq];
if (qpair)
return qla2xxx_mqueuecommand(host, cmd, qpair);
}
if (ha->flags.eeh_busy) {
if (ha->flags.pci_channel_io_perm_failure) {
ql_dbg(ql_dbg_aer, vha, 0x9010,
"PCI Channel IO permanent failure, exiting "
"cmd=%p.\n", cmd);
cmd->result = DID_NO_CONNECT << 16;
} else {
ql_dbg(ql_dbg_aer, vha, 0x9011,
"EEH_Busy, Requeuing the cmd=%p.\n", cmd);
cmd->result = DID_REQUEUE << 16;
}
goto qc24_fail_command;
}
rval = fc_remote_port_chkready(rport);
if (rval) {
cmd->result = rval;
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3003,
"fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
cmd, rval);
goto qc24_fail_command;
}
if (!vha->flags.difdix_supported &&
scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) {
ql_dbg(ql_dbg_io, vha, 0x3004,
"DIF Cap not reg, fail DIF capable cmd's:%p.\n",
cmd);
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
}
if (!fcport || fcport->deleted) {
cmd->result = DID_IMM_RETRY << 16;
goto qc24_fail_command;
}
if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
ql_dbg(ql_dbg_io, vha, 0x3005,
"Returning DNC, fcport_state=%d loop_state=%d.\n",
atomic_read(&fcport->state),
atomic_read(&base_vha->loop_state));
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
}
goto qc24_target_busy;
}
/*
* Return target busy if we've received a non-zero retry_delay_timer
* in a FCP_RSP.
*/
if (fcport->retry_delay_timestamp == 0) {
/* retry delay not set */
} else if (time_after(jiffies, fcport->retry_delay_timestamp))
fcport->retry_delay_timestamp = 0;
else
goto qc24_target_busy;
sp = scsi_cmd_priv(cmd);
/* ref: INIT */
qla2xxx_init_sp(sp, vha, vha->hw->base_qpair, fcport);
sp->u.scmd.cmd = cmd;
sp->type = SRB_SCSI_CMD;
sp->free = qla2x00_sp_free_dma;
sp->done = qla2x00_sp_compl;
rval = ha->isp_ops->start_scsi(sp);
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3013,
"Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
goto qc24_host_busy_free_sp;
}
return 0;
qc24_host_busy_free_sp:
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
qc24_target_busy:
return SCSI_MLQUEUE_TARGET_BUSY;
qc24_fail_command:
scsi_done(cmd);
return 0;
}
/* For MQ supported I/O */
int
qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
struct qla_qpair *qpair)
{
scsi_qla_host_t *vha = shost_priv(host);
fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata;
struct fc_rport *rport = starget_to_rport(scsi_target(cmd->device));
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
srb_t *sp;
int rval;
rval = rport ? fc_remote_port_chkready(rport) : (DID_NO_CONNECT << 16);
if (rval) {
cmd->result = rval;
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3076,
"fc_remote_port_chkready failed for cmd=%p, rval=0x%x.\n",
cmd, rval);
goto qc24_fail_command;
}
if (!qpair->online) {
ql_dbg(ql_dbg_io, vha, 0x3077,
"qpair not online. eeh_busy=%d.\n", ha->flags.eeh_busy);
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
}
if (!fcport || fcport->deleted) {
cmd->result = DID_IMM_RETRY << 16;
goto qc24_fail_command;
}
if (atomic_read(&fcport->state) != FCS_ONLINE || fcport->deleted) {
if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD ||
atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
ql_dbg(ql_dbg_io, vha, 0x3077,
"Returning DNC, fcport_state=%d loop_state=%d.\n",
atomic_read(&fcport->state),
atomic_read(&base_vha->loop_state));
cmd->result = DID_NO_CONNECT << 16;
goto qc24_fail_command;
}
goto qc24_target_busy;
}
/*
* Return target busy if we've received a non-zero retry_delay_timer
* in a FCP_RSP.
*/
if (fcport->retry_delay_timestamp == 0) {
/* retry delay not set */
} else if (time_after(jiffies, fcport->retry_delay_timestamp))
fcport->retry_delay_timestamp = 0;
else
goto qc24_target_busy;
sp = scsi_cmd_priv(cmd);
/* ref: INIT */
qla2xxx_init_sp(sp, vha, qpair, fcport);
sp->u.scmd.cmd = cmd;
sp->type = SRB_SCSI_CMD;
sp->free = qla2xxx_qpair_sp_free_dma;
sp->done = qla2xxx_qpair_sp_compl;
rval = ha->isp_ops->start_scsi_mq(sp);
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
"Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
goto qc24_host_busy_free_sp;
}
return 0;
qc24_host_busy_free_sp:
/* ref: INIT */
kref_put(&sp->cmd_kref, qla2x00_sp_release);
qc24_target_busy:
return SCSI_MLQUEUE_TARGET_BUSY;
qc24_fail_command:
scsi_done(cmd);
return 0;
}
/*
* qla2x00_wait_for_hba_online
* Wait till the HBA is online after going through
* <= MAX_RETRIES_OF_ISP_ABORT or
* finally HBA is disabled ie marked offline
*
* Input:
* ha - pointer to host adapter structure
*
* Note:
* Does context switching-Release SPIN_LOCK
* (if any) before calling this routine.
*
* Return:
* Success (Adapter is online) : 0
* Failed (Adapter is offline/disabled) : 1
*/
int
qla2x00_wait_for_hba_online(scsi_qla_host_t *vha)
{
int return_status;
unsigned long wait_online;
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
wait_online = jiffies + (MAX_LOOP_TIMEOUT * HZ);
while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
ha->dpc_active) && time_before(jiffies, wait_online)) {
msleep(1000);
}
if (base_vha->flags.online)
return_status = QLA_SUCCESS;
else
return_status = QLA_FUNCTION_FAILED;
return (return_status);
}
static inline int test_fcport_count(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
int res;
/* Return 0 = sleep, x=wake */
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
ql_dbg(ql_dbg_init, vha, 0x00ec,
"tgt %p, fcport_count=%d\n",
vha, vha->fcport_count);
res = (vha->fcport_count == 0);
if (res) {
struct fc_port *fcport;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->deleted != QLA_SESS_DELETED) {
/* session(s) may not be fully logged in
* (ie fcport_count=0), but session
* deletion thread(s) may be inflight.
*/
res = 0;
break;
}
}
}
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
return res;
}
/*
* qla2x00_wait_for_sess_deletion can only be called from remove_one.
* it has dependency on UNLOADING flag to stop device discovery
*/
void
qla2x00_wait_for_sess_deletion(scsi_qla_host_t *vha)
{
u8 i;
qla2x00_mark_all_devices_lost(vha);
for (i = 0; i < 10; i++) {
if (wait_event_timeout(vha->fcport_waitQ,
test_fcport_count(vha), HZ) > 0)
break;
}
flush_workqueue(vha->hw->wq);
}
/*
* qla2x00_wait_for_hba_ready
* Wait till the HBA is ready before doing driver unload
*
* Input:
* ha - pointer to host adapter structure
*
* Note:
* Does context switching-Release SPIN_LOCK
* (if any) before calling this routine.
*
*/
static void
qla2x00_wait_for_hba_ready(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
while ((qla2x00_reset_active(vha) || ha->dpc_active ||
ha->flags.mbox_busy) ||
test_bit(FX00_RESET_RECOVERY, &vha->dpc_flags) ||
test_bit(FX00_TARGET_SCAN, &vha->dpc_flags)) {
if (test_bit(UNLOADING, &base_vha->dpc_flags))
break;
msleep(1000);
}
}
int
qla2x00_wait_for_chip_reset(scsi_qla_host_t *vha)
{
int return_status;
unsigned long wait_reset;
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
wait_reset = jiffies + (MAX_LOOP_TIMEOUT * HZ);
while (((test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags)) ||
test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) ||
ha->dpc_active) && time_before(jiffies, wait_reset)) {
msleep(1000);
if (!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
ha->flags.chip_reset_done)
break;
}
if (ha->flags.chip_reset_done)
return_status = QLA_SUCCESS;
else
return_status = QLA_FUNCTION_FAILED;
return return_status;
}
/**************************************************************************
* qla2xxx_eh_abort
*
* Description:
* The abort function will abort the specified command.
*
* Input:
* cmd = Linux SCSI command packet to be aborted.
*
* Returns:
* Either SUCCESS or FAILED.
*
* Note:
* Only return FAILED if command not returned by firmware.
**************************************************************************/
static int
qla2xxx_eh_abort(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
DECLARE_COMPLETION_ONSTACK(comp);
srb_t *sp;
int ret;
unsigned int id;
uint64_t lun;
int rval;
struct qla_hw_data *ha = vha->hw;
uint32_t ratov_j;
struct qla_qpair *qpair;
unsigned long flags;
int fast_fail_status = SUCCESS;
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, vha, 0x8042,
"PCI/Register disconnect, exiting.\n");
qla_pci_set_eeh_busy(vha);
return FAILED;
}
/* Save any FAST_IO_FAIL value to return later if abort succeeds */
ret = fc_block_scsi_eh(cmd);
if (ret != 0)
fast_fail_status = ret;
sp = scsi_cmd_priv(cmd);
qpair = sp->qpair;
vha->cmd_timeout_cnt++;
if ((sp->fcport && sp->fcport->deleted) || !qpair)
return fast_fail_status != SUCCESS ? fast_fail_status : FAILED;
spin_lock_irqsave(qpair->qp_lock_ptr, flags);
sp->comp = &comp;
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
id = cmd->device->id;
lun = cmd->device->lun;
ql_dbg(ql_dbg_taskm, vha, 0x8002,
"Aborting from RISC nexus=%ld:%d:%llu sp=%p cmd=%p handle=%x\n",
vha->host_no, id, lun, sp, cmd, sp->handle);
/*
* Abort will release the original Command/sp from FW. Let the
* original command call scsi_done. In return, he will wakeup
* this sleeping thread.
*/
rval = ha->isp_ops->abort_command(sp);
ql_dbg(ql_dbg_taskm, vha, 0x8003,
"Abort command mbx cmd=%p, rval=%x.\n", cmd, rval);
/* Wait for the command completion. */
ratov_j = ha->r_a_tov/10 * 4 * 1000;
ratov_j = msecs_to_jiffies(ratov_j);
switch (rval) {
case QLA_SUCCESS:
if (!wait_for_completion_timeout(&comp, ratov_j)) {
ql_dbg(ql_dbg_taskm, vha, 0xffff,
"%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
__func__, ha->r_a_tov/10);
ret = FAILED;
} else {
ret = fast_fail_status;
}
break;
default:
ret = FAILED;
break;
}
sp->comp = NULL;
ql_log(ql_log_info, vha, 0x801c,
"Abort command issued nexus=%ld:%d:%llu -- %x.\n",
vha->host_no, id, lun, ret);
return ret;
}
#define ABORT_POLLING_PERIOD 1000
#define ABORT_WAIT_ITER ((2 * 1000) / (ABORT_POLLING_PERIOD))
/*
* Returns: QLA_SUCCESS or QLA_FUNCTION_FAILED.
*/
static int
__qla2x00_eh_wait_for_pending_commands(struct qla_qpair *qpair, unsigned int t,
uint64_t l, enum nexus_wait_type type)
{
int cnt, match, status;
unsigned long flags;
scsi_qla_host_t *vha = qpair->vha;
struct req_que *req = qpair->req;
srb_t *sp;
struct scsi_cmnd *cmd;
unsigned long wait_iter = ABORT_WAIT_ITER;
bool found;
struct qla_hw_data *ha = vha->hw;
status = QLA_SUCCESS;
while (wait_iter--) {
found = false;
spin_lock_irqsave(qpair->qp_lock_ptr, flags);
for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
sp = req->outstanding_cmds[cnt];
if (!sp)
continue;
if (sp->type != SRB_SCSI_CMD)
continue;
if (vha->vp_idx != sp->vha->vp_idx)
continue;
match = 0;
cmd = GET_CMD_SP(sp);
switch (type) {
case WAIT_HOST:
match = 1;
break;
case WAIT_TARGET:
if (sp->fcport)
match = sp->fcport->d_id.b24 == t;
else
match = 0;
break;
case WAIT_LUN:
if (sp->fcport)
match = (sp->fcport->d_id.b24 == t &&
cmd->device->lun == l);
else
match = 0;
break;
}
if (!match)
continue;
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
if (unlikely(pci_channel_offline(ha->pdev)) ||
ha->flags.eeh_busy) {
ql_dbg(ql_dbg_taskm, vha, 0x8005,
"Return:eh_wait.\n");
return status;
}
/*
* SRB_SCSI_CMD is still in the outstanding_cmds array.
* it means scsi_done has not called. Wait for it to
* clear from outstanding_cmds.
*/
msleep(ABORT_POLLING_PERIOD);
spin_lock_irqsave(qpair->qp_lock_ptr, flags);
found = true;
}
spin_unlock_irqrestore(qpair->qp_lock_ptr, flags);
if (!found)
break;
}
if (wait_iter == -1)
status = QLA_FUNCTION_FAILED;
return status;
}
int
qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t,
uint64_t l, enum nexus_wait_type type)
{
struct qla_qpair *qpair;
struct qla_hw_data *ha = vha->hw;
int i, status = QLA_SUCCESS;
status = __qla2x00_eh_wait_for_pending_commands(ha->base_qpair, t, l,
type);
for (i = 0; status == QLA_SUCCESS && i < ha->max_qpairs; i++) {
qpair = ha->queue_pair_map[i];
if (!qpair)
continue;
status = __qla2x00_eh_wait_for_pending_commands(qpair, t, l,
type);
}
return status;
}
static char *reset_errors[] = {
"HBA not online",
"HBA not ready",
"Task management failed",
"Waiting for command completions",
};
static int
qla2xxx_eh_device_reset(struct scsi_cmnd *cmd)
{
struct scsi_device *sdev = cmd->device;
scsi_qla_host_t *vha = shost_priv(sdev->host);
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
fc_port_t *fcport = (struct fc_port *) sdev->hostdata;
struct qla_hw_data *ha = vha->hw;
int err;
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, vha, 0x803e,
"PCI/Register disconnect, exiting.\n");
qla_pci_set_eeh_busy(vha);
return FAILED;
}
if (!fcport) {
return FAILED;
}
err = fc_block_rport(rport);
if (err != 0)
return err;
if (fcport->deleted)
return FAILED;
ql_log(ql_log_info, vha, 0x8009,
"DEVICE RESET ISSUED nexus=%ld:%d:%llu cmd=%p.\n", vha->host_no,
sdev->id, sdev->lun, cmd);
err = 0;
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x800a,
"Wait for hba online failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
err = 2;
if (ha->isp_ops->lun_reset(fcport, sdev->lun, 1)
!= QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x800c,
"do_reset failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
err = 3;
if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24,
cmd->device->lun,
WAIT_LUN) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x800d,
"wait for pending cmds failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
ql_log(ql_log_info, vha, 0x800e,
"DEVICE RESET SUCCEEDED nexus:%ld:%d:%llu cmd=%p.\n",
vha->host_no, sdev->id, sdev->lun, cmd);
return SUCCESS;
eh_reset_failed:
ql_log(ql_log_info, vha, 0x800f,
"DEVICE RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
reset_errors[err], vha->host_no, sdev->id, sdev->lun,
cmd);
vha->reset_cmd_err_cnt++;
return FAILED;
}
static int
qla2xxx_eh_target_reset(struct scsi_cmnd *cmd)
{
struct scsi_device *sdev = cmd->device;
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
scsi_qla_host_t *vha = shost_priv(rport_to_shost(rport));
struct qla_hw_data *ha = vha->hw;
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
int err;
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, vha, 0x803f,
"PCI/Register disconnect, exiting.\n");
qla_pci_set_eeh_busy(vha);
return FAILED;
}
if (!fcport) {
return FAILED;
}
err = fc_block_rport(rport);
if (err != 0)
return err;
if (fcport->deleted)
return FAILED;
ql_log(ql_log_info, vha, 0x8009,
"TARGET RESET ISSUED nexus=%ld:%d cmd=%p.\n", vha->host_no,
sdev->id, cmd);
err = 0;
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x800a,
"Wait for hba online failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
err = 2;
if (ha->isp_ops->target_reset(fcport, 0, 0) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x800c,
"target_reset failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
err = 3;
if (qla2x00_eh_wait_for_pending_commands(vha, fcport->d_id.b24, 0,
WAIT_TARGET) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x800d,
"wait for pending cmds failed for cmd=%p.\n", cmd);
goto eh_reset_failed;
}
ql_log(ql_log_info, vha, 0x800e,
"TARGET RESET SUCCEEDED nexus:%ld:%d cmd=%p.\n",
vha->host_no, sdev->id, cmd);
return SUCCESS;
eh_reset_failed:
ql_log(ql_log_info, vha, 0x800f,
"TARGET RESET FAILED: %s nexus=%ld:%d:%llu cmd=%p.\n",
reset_errors[err], vha->host_no, cmd->device->id, cmd->device->lun,
cmd);
vha->reset_cmd_err_cnt++;
return FAILED;
}
/**************************************************************************
* qla2xxx_eh_bus_reset
*
* Description:
* The bus reset function will reset the bus and abort any executing
* commands.
*
* Input:
* cmd = Linux SCSI command packet of the command that cause the
* bus reset.
*
* Returns:
* SUCCESS/FAILURE (defined as macro in scsi.h).
*
**************************************************************************/
static int
qla2xxx_eh_bus_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
int ret = FAILED;
unsigned int id;
uint64_t lun;
struct qla_hw_data *ha = vha->hw;
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, vha, 0x8040,
"PCI/Register disconnect, exiting.\n");
qla_pci_set_eeh_busy(vha);
return FAILED;
}
id = cmd->device->id;
lun = cmd->device->lun;
if (qla2x00_chip_is_down(vha))
return ret;
ql_log(ql_log_info, vha, 0x8012,
"BUS RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_fatal, vha, 0x8013,
"Wait for hba online failed board disabled.\n");
goto eh_bus_reset_done;
}
if (qla2x00_loop_reset(vha) == QLA_SUCCESS)
ret = SUCCESS;
if (ret == FAILED)
goto eh_bus_reset_done;
/* Flush outstanding commands. */
if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) !=
QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x8014,
"Wait for pending commands failed.\n");
ret = FAILED;
}
eh_bus_reset_done:
ql_log(ql_log_warn, vha, 0x802b,
"BUS RESET %s nexus=%ld:%d:%llu.\n",
(ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
return ret;
}
/**************************************************************************
* qla2xxx_eh_host_reset
*
* Description:
* The reset function will reset the Adapter.
*
* Input:
* cmd = Linux SCSI command packet of the command that cause the
* adapter reset.
*
* Returns:
* Either SUCCESS or FAILED.
*
* Note:
**************************************************************************/
static int
qla2xxx_eh_host_reset(struct scsi_cmnd *cmd)
{
scsi_qla_host_t *vha = shost_priv(cmd->device->host);
struct qla_hw_data *ha = vha->hw;
int ret = FAILED;
unsigned int id;
uint64_t lun;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, vha, 0x8041,
"PCI/Register disconnect, exiting.\n");
qla_pci_set_eeh_busy(vha);
return SUCCESS;
}
id = cmd->device->id;
lun = cmd->device->lun;
ql_log(ql_log_info, vha, 0x8018,
"ADAPTER RESET ISSUED nexus=%ld:%d:%llu.\n", vha->host_no, id, lun);
/*
* No point in issuing another reset if one is active. Also do not
* attempt a reset if we are updating flash.
*/
if (qla2x00_reset_active(vha) || ha->optrom_state != QLA_SWAITING)
goto eh_host_reset_lock;
if (vha != base_vha) {
if (qla2x00_vp_abort_isp(vha))
goto eh_host_reset_lock;
} else {
if (IS_P3P_TYPE(vha->hw)) {
if (!qla82xx_fcoe_ctx_reset(vha)) {
/* Ctx reset success */
ret = SUCCESS;
goto eh_host_reset_lock;
}
/* fall thru if ctx reset failed */
}
if (ha->wq)
flush_workqueue(ha->wq);
set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
if (ha->isp_ops->abort_isp(base_vha)) {
clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
/* failed. schedule dpc to try */
set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x802a,
"wait for hba online failed.\n");
goto eh_host_reset_lock;
}
}
clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
}
/* Waiting for command to be returned to OS.*/
if (qla2x00_eh_wait_for_pending_commands(vha, 0, 0, WAIT_HOST) ==
QLA_SUCCESS)
ret = SUCCESS;
eh_host_reset_lock:
ql_log(ql_log_info, vha, 0x8017,
"ADAPTER RESET %s nexus=%ld:%d:%llu.\n",
(ret == FAILED) ? "FAILED" : "SUCCEEDED", vha->host_no, id, lun);
return ret;
}
/*
* qla2x00_loop_reset
* Issue loop reset.
*
* Input:
* ha = adapter block pointer.
*
* Returns:
* 0 = success
*/
int
qla2x00_loop_reset(scsi_qla_host_t *vha)
{
int ret;
struct qla_hw_data *ha = vha->hw;
if (IS_QLAFX00(ha))
return QLA_SUCCESS;
if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) {
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(vha);
ret = qla2x00_full_login_lip(vha);
if (ret != QLA_SUCCESS) {
ql_dbg(ql_dbg_taskm, vha, 0x802d,
"full_login_lip=%d.\n", ret);
}
}
if (ha->flags.enable_lip_reset) {
ret = qla2x00_lip_reset(vha);
if (ret != QLA_SUCCESS)
ql_dbg(ql_dbg_taskm, vha, 0x802e,
"lip_reset failed (%d).\n", ret);
}
/* Issue marker command only when we are going to start the I/O */
vha->marker_needed = 1;
return QLA_SUCCESS;
}
/*
* The caller must ensure that no completion interrupts will happen
* while this function is in progress.
*/
static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
unsigned long *flags)
__releases(qp->qp_lock_ptr)
__acquires(qp->qp_lock_ptr)
{
DECLARE_COMPLETION_ONSTACK(comp);
scsi_qla_host_t *vha = qp->vha;
struct qla_hw_data *ha = vha->hw;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
int rval;
bool ret_cmd;
uint32_t ratov_j;
lockdep_assert_held(qp->qp_lock_ptr);
if (qla2x00_chip_is_down(vha)) {
sp->done(sp, res);
return;
}
if (sp->type == SRB_NVME_CMD || sp->type == SRB_NVME_LS ||
(sp->type == SRB_SCSI_CMD && !ha->flags.eeh_busy &&
!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) &&
!qla2x00_isp_reg_stat(ha))) {
if (sp->comp) {
sp->done(sp, res);
return;
}
sp->comp = &comp;
spin_unlock_irqrestore(qp->qp_lock_ptr, *flags);
rval = ha->isp_ops->abort_command(sp);
/* Wait for command completion. */
ret_cmd = false;
ratov_j = ha->r_a_tov/10 * 4 * 1000;
ratov_j = msecs_to_jiffies(ratov_j);
switch (rval) {
case QLA_SUCCESS:
if (wait_for_completion_timeout(&comp, ratov_j)) {
ql_dbg(ql_dbg_taskm, vha, 0xffff,
"%s: Abort wait timer (4 * R_A_TOV[%d]) expired\n",
__func__, ha->r_a_tov/10);
ret_cmd = true;
}
/* else FW return SP to driver */
break;
default:
ret_cmd = true;
break;
}
spin_lock_irqsave(qp->qp_lock_ptr, *flags);
if (ret_cmd && blk_mq_request_started(scsi_cmd_to_rq(cmd)))
sp->done(sp, res);
} else {
sp->done(sp, res);
}
}
/*
* The caller must ensure that no completion interrupts will happen
* while this function is in progress.
*/
static void
__qla2x00_abort_all_cmds(struct qla_qpair *qp, int res)
{
int cnt;
unsigned long flags;
srb_t *sp;
scsi_qla_host_t *vha = qp->vha;
struct qla_hw_data *ha = vha->hw;
struct req_que *req;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
struct qla_tgt_cmd *cmd;
if (!ha->req_q_map)
return;
spin_lock_irqsave(qp->qp_lock_ptr, flags);
req = qp->req;
for (cnt = 1; cnt < req->num_outstanding_cmds; cnt++) {
sp = req->outstanding_cmds[cnt];
if (sp) {
/*
* perform lockless completion during driver unload
*/
if (qla2x00_chip_is_down(vha)) {
req->outstanding_cmds[cnt] = NULL;
spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
sp->done(sp, res);
spin_lock_irqsave(qp->qp_lock_ptr, flags);
continue;
}
switch (sp->cmd_type) {
case TYPE_SRB:
qla2x00_abort_srb(qp, sp, res, &flags);
break;
case TYPE_TGT_CMD:
if (!vha->hw->tgt.tgt_ops || !tgt ||
qla_ini_mode_enabled(vha)) {
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf003,
"HOST-ABORT-HNDLR: dpc_flags=%lx. Target mode disabled\n",
vha->dpc_flags);
continue;
}
cmd = (struct qla_tgt_cmd *)sp;
cmd->aborted = 1;
break;
case TYPE_TGT_TMCMD:
/* Skip task management functions. */
break;
default:
break;
}
req->outstanding_cmds[cnt] = NULL;
}
}
spin_unlock_irqrestore(qp->qp_lock_ptr, flags);
}
/*
* The caller must ensure that no completion interrupts will happen
* while this function is in progress.
*/
void
qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res)
{
int que;
struct qla_hw_data *ha = vha->hw;
/* Continue only if initialization complete. */
if (!ha->base_qpair)
return;
__qla2x00_abort_all_cmds(ha->base_qpair, res);
if (!ha->queue_pair_map)
return;
for (que = 0; que < ha->max_qpairs; que++) {
if (!ha->queue_pair_map[que])
continue;
__qla2x00_abort_all_cmds(ha->queue_pair_map[que], res);
}
}
static int
qla2xxx_slave_alloc(struct scsi_device *sdev)
{
struct fc_rport *rport = starget_to_rport(scsi_target(sdev));
if (!rport || fc_remote_port_chkready(rport))
return -ENXIO;
sdev->hostdata = *(fc_port_t **)rport->dd_data;
return 0;
}
static int
qla2xxx_slave_configure(struct scsi_device *sdev)
{
scsi_qla_host_t *vha = shost_priv(sdev->host);
struct req_que *req = vha->req;
if (IS_T10_PI_CAPABLE(vha->hw))
blk_queue_update_dma_alignment(sdev->request_queue, 0x7);
scsi_change_queue_depth(sdev, req->max_q_depth);
return 0;
}
static void
qla2xxx_slave_destroy(struct scsi_device *sdev)
{
sdev->hostdata = NULL;
}
/**
* qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
* @ha: HA context
*
* At exit, the @ha's flags.enable_64bit_addressing set to indicated
* supported addressing method.
*/
static void
qla2x00_config_dma_addressing(struct qla_hw_data *ha)
{
/* Assume a 32bit DMA mask. */
ha->flags.enable_64bit_addressing = 0;
if (!dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
/* Any upper-dword bits set? */
if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
!dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(64))) {
/* Ok, a 64bit DMA mask is applicable. */
ha->flags.enable_64bit_addressing = 1;
ha->isp_ops->calc_req_entries = qla2x00_calc_iocbs_64;
ha->isp_ops->build_iocbs = qla2x00_build_scsi_iocbs_64;
return;
}
}
dma_set_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
dma_set_coherent_mask(&ha->pdev->dev, DMA_BIT_MASK(32));
}
static void
qla2x00_enable_intrs(struct qla_hw_data *ha)
{
unsigned long flags = 0;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->interrupts_on = 1;
/* enable risc and host interrupts */
wrt_reg_word(&reg->ictrl, ICR_EN_INT | ICR_EN_RISC);
rd_reg_word(&reg->ictrl);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void
qla2x00_disable_intrs(struct qla_hw_data *ha)
{
unsigned long flags = 0;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->interrupts_on = 0;
/* disable risc and host interrupts */
wrt_reg_word(&reg->ictrl, 0);
rd_reg_word(&reg->ictrl);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void
qla24xx_enable_intrs(struct qla_hw_data *ha)
{
unsigned long flags = 0;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->interrupts_on = 1;
wrt_reg_dword(&reg->ictrl, ICRX_EN_RISC_INT);
rd_reg_dword(&reg->ictrl);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static void
qla24xx_disable_intrs(struct qla_hw_data *ha)
{
unsigned long flags = 0;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
if (IS_NOPOLLING_TYPE(ha))
return;
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->interrupts_on = 0;
wrt_reg_dword(&reg->ictrl, 0);
rd_reg_dword(&reg->ictrl);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
}
static int
qla2x00_iospace_config(struct qla_hw_data *ha)
{
resource_size_t pio;
uint16_t msix;
if (pci_request_selected_regions(ha->pdev, ha->bars,
QLA2XXX_DRIVER_NAME)) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0011,
"Failed to reserve PIO/MMIO regions (%s), aborting.\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
if (!(ha->bars & 1))
goto skip_pio;
/* We only need PIO for Flash operations on ISP2312 v2 chips. */
pio = pci_resource_start(ha->pdev, 0);
if (pci_resource_flags(ha->pdev, 0) & IORESOURCE_IO) {
if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
ql_log_pci(ql_log_warn, ha->pdev, 0x0012,
"Invalid pci I/O region size (%s).\n",
pci_name(ha->pdev));
pio = 0;
}
} else {
ql_log_pci(ql_log_warn, ha->pdev, 0x0013,
"Region #0 no a PIO resource (%s).\n",
pci_name(ha->pdev));
pio = 0;
}
ha->pio_address = pio;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0014,
"PIO address=%llu.\n",
(unsigned long long)ha->pio_address);
skip_pio:
/* Use MMIO operations for all accesses. */
if (!(pci_resource_flags(ha->pdev, 1) & IORESOURCE_MEM)) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0015,
"Region #1 not an MMIO resource (%s), aborting.\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
if (pci_resource_len(ha->pdev, 1) < MIN_IOBASE_LEN) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0016,
"Invalid PCI mem region size (%s), aborting.\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
ha->iobase = ioremap(pci_resource_start(ha->pdev, 1), MIN_IOBASE_LEN);
if (!ha->iobase) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0017,
"Cannot remap MMIO (%s), aborting.\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
/* Determine queue resources */
ha->max_req_queues = ha->max_rsp_queues = 1;
ha->msix_count = QLA_BASE_VECTORS;
/* Check if FW supports MQ or not */
if (!(ha->fw_attributes & BIT_6))
goto mqiobase_exit;
if (!ql2xmqsupport || !ql2xnvmeenable ||
(!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
goto mqiobase_exit;
ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 3),
pci_resource_len(ha->pdev, 3));
if (ha->mqiobase) {
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0018,
"MQIO Base=%p.\n", ha->mqiobase);
/* Read MSIX vector size of the board */
pci_read_config_word(ha->pdev, QLA_PCI_MSIX_CONTROL, &msix);
ha->msix_count = msix + 1;
/* Max queues are bounded by available msix vectors */
/* MB interrupt uses 1 vector */
ha->max_req_queues = ha->msix_count - 1;
ha->max_rsp_queues = ha->max_req_queues;
/* Queue pairs is the max value minus the base queue pair */
ha->max_qpairs = ha->max_rsp_queues - 1;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0188,
"Max no of queues pairs: %d.\n", ha->max_qpairs);
ql_log_pci(ql_log_info, ha->pdev, 0x001a,
"MSI-X vector count: %d.\n", ha->msix_count);
} else
ql_log_pci(ql_log_info, ha->pdev, 0x001b,
"BAR 3 not enabled.\n");
mqiobase_exit:
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x001c,
"MSIX Count: %d.\n", ha->msix_count);
return (0);
iospace_error_exit:
return (-ENOMEM);
}
static int
qla83xx_iospace_config(struct qla_hw_data *ha)
{
uint16_t msix;
if (pci_request_selected_regions(ha->pdev, ha->bars,
QLA2XXX_DRIVER_NAME)) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0117,
"Failed to reserve PIO/MMIO regions (%s), aborting.\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
/* Use MMIO operations for all accesses. */
if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) {
ql_log_pci(ql_log_warn, ha->pdev, 0x0118,
"Invalid pci I/O region size (%s).\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) {
ql_log_pci(ql_log_warn, ha->pdev, 0x0119,
"Invalid PCI mem region size (%s), aborting\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN);
if (!ha->iobase) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x011a,
"Cannot remap MMIO (%s), aborting.\n",
pci_name(ha->pdev));
goto iospace_error_exit;
}
/* 64bit PCI BAR - BAR2 will correspoond to region 4 */
/* 83XX 26XX always use MQ type access for queues
* - mbar 2, a.k.a region 4 */
ha->max_req_queues = ha->max_rsp_queues = 1;
ha->msix_count = QLA_BASE_VECTORS;
ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4),
pci_resource_len(ha->pdev, 4));
if (!ha->mqiobase) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x011d,
"BAR2/region4 not enabled\n");
goto mqiobase_exit;
}
ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2),
pci_resource_len(ha->pdev, 2));
if (ha->msixbase) {
/* Read MSIX vector size of the board */
pci_read_config_word(ha->pdev,
QLA_83XX_PCI_MSIX_CONTROL, &msix);
ha->msix_count = (msix & PCI_MSIX_FLAGS_QSIZE) + 1;
/*
* By default, driver uses at least two msix vectors
* (default & rspq)
*/
if (ql2xmqsupport || ql2xnvmeenable) {
/* MB interrupt uses 1 vector */
ha->max_req_queues = ha->msix_count - 1;
/* ATIOQ needs 1 vector. That's 1 less QPair */
if (QLA_TGT_MODE_ENABLED())
ha->max_req_queues--;
ha->max_rsp_queues = ha->max_req_queues;
/* Queue pairs is the max value minus
* the base queue pair */
ha->max_qpairs = ha->max_req_queues - 1;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x00e3,
"Max no of queues pairs: %d.\n", ha->max_qpairs);
}
ql_log_pci(ql_log_info, ha->pdev, 0x011c,
"MSI-X vector count: %d.\n", ha->msix_count);
} else
ql_log_pci(ql_log_info, ha->pdev, 0x011e,
"BAR 1 not enabled.\n");
mqiobase_exit:
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f,
"MSIX Count: %d.\n", ha->msix_count);
return 0;
iospace_error_exit:
return -ENOMEM;
}
static struct isp_operations qla2100_isp_ops = {
.pci_config = qla2100_pci_config,
.reset_chip = qla2x00_reset_chip,
.chip_diag = qla2x00_chip_diag,
.config_rings = qla2x00_config_rings,
.reset_adapter = qla2x00_reset_adapter,
.nvram_config = qla2x00_nvram_config,
.update_fw_options = qla2x00_update_fw_options,
.load_risc = qla2x00_load_risc,
.pci_info_str = qla2x00_pci_info_str,
.fw_version_str = qla2x00_fw_version_str,
.intr_handler = qla2100_intr_handler,
.enable_intrs = qla2x00_enable_intrs,
.disable_intrs = qla2x00_disable_intrs,
.abort_command = qla2x00_abort_command,
.target_reset = qla2x00_abort_target,
.lun_reset = qla2x00_lun_reset,
.fabric_login = qla2x00_login_fabric,
.fabric_logout = qla2x00_fabric_logout,
.calc_req_entries = qla2x00_calc_iocbs_32,
.build_iocbs = qla2x00_build_scsi_iocbs_32,
.prep_ms_iocb = qla2x00_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
.read_nvram = qla2x00_read_nvram_data,
.write_nvram = qla2x00_write_nvram_data,
.fw_dump = qla2100_fw_dump,
.beacon_on = NULL,
.beacon_off = NULL,
.beacon_blink = NULL,
.read_optrom = qla2x00_read_optrom_data,
.write_optrom = qla2x00_write_optrom_data,
.get_flash_version = qla2x00_get_flash_version,
.start_scsi = qla2x00_start_scsi,
.start_scsi_mq = NULL,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla2x00_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla2300_isp_ops = {
.pci_config = qla2300_pci_config,
.reset_chip = qla2x00_reset_chip,
.chip_diag = qla2x00_chip_diag,
.config_rings = qla2x00_config_rings,
.reset_adapter = qla2x00_reset_adapter,
.nvram_config = qla2x00_nvram_config,
.update_fw_options = qla2x00_update_fw_options,
.load_risc = qla2x00_load_risc,
.pci_info_str = qla2x00_pci_info_str,
.fw_version_str = qla2x00_fw_version_str,
.intr_handler = qla2300_intr_handler,
.enable_intrs = qla2x00_enable_intrs,
.disable_intrs = qla2x00_disable_intrs,
.abort_command = qla2x00_abort_command,
.target_reset = qla2x00_abort_target,
.lun_reset = qla2x00_lun_reset,
.fabric_login = qla2x00_login_fabric,
.fabric_logout = qla2x00_fabric_logout,
.calc_req_entries = qla2x00_calc_iocbs_32,
.build_iocbs = qla2x00_build_scsi_iocbs_32,
.prep_ms_iocb = qla2x00_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla2x00_prep_ms_fdmi_iocb,
.read_nvram = qla2x00_read_nvram_data,
.write_nvram = qla2x00_write_nvram_data,
.fw_dump = qla2300_fw_dump,
.beacon_on = qla2x00_beacon_on,
.beacon_off = qla2x00_beacon_off,
.beacon_blink = qla2x00_beacon_blink,
.read_optrom = qla2x00_read_optrom_data,
.write_optrom = qla2x00_write_optrom_data,
.get_flash_version = qla2x00_get_flash_version,
.start_scsi = qla2x00_start_scsi,
.start_scsi_mq = NULL,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla2x00_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla24xx_isp_ops = {
.pci_config = qla24xx_pci_config,
.reset_chip = qla24xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla24xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla24xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla24xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla24xx_intr_handler,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = qla24xx_read_nvram_data,
.write_nvram = qla24xx_write_nvram_data,
.fw_dump = qla24xx_fw_dump,
.beacon_on = qla24xx_beacon_on,
.beacon_off = qla24xx_beacon_off,
.beacon_blink = qla24xx_beacon_blink,
.read_optrom = qla24xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_start_scsi,
.start_scsi_mq = NULL,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla2x00_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla25xx_isp_ops = {
.pci_config = qla25xx_pci_config,
.reset_chip = qla24xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla24xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla24xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla24xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla24xx_intr_handler,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = qla25xx_read_nvram_data,
.write_nvram = qla25xx_write_nvram_data,
.fw_dump = qla25xx_fw_dump,
.beacon_on = qla24xx_beacon_on,
.beacon_off = qla24xx_beacon_off,
.beacon_blink = qla24xx_beacon_blink,
.read_optrom = qla25xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_dif_start_scsi,
.start_scsi_mq = qla2xxx_dif_start_scsi_mq,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla2x00_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla81xx_isp_ops = {
.pci_config = qla25xx_pci_config,
.reset_chip = qla24xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla24xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla81xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla81xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla24xx_intr_handler,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = NULL,
.write_nvram = NULL,
.fw_dump = qla81xx_fw_dump,
.beacon_on = qla24xx_beacon_on,
.beacon_off = qla24xx_beacon_off,
.beacon_blink = qla83xx_beacon_blink,
.read_optrom = qla25xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_dif_start_scsi,
.start_scsi_mq = qla2xxx_dif_start_scsi_mq,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla2x00_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla82xx_isp_ops = {
.pci_config = qla82xx_pci_config,
.reset_chip = qla82xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla82xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla81xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla82xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla82xx_intr_handler,
.enable_intrs = qla82xx_enable_intrs,
.disable_intrs = qla82xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = qla24xx_read_nvram_data,
.write_nvram = qla24xx_write_nvram_data,
.fw_dump = qla82xx_fw_dump,
.beacon_on = qla82xx_beacon_on,
.beacon_off = qla82xx_beacon_off,
.beacon_blink = NULL,
.read_optrom = qla82xx_read_optrom_data,
.write_optrom = qla82xx_write_optrom_data,
.get_flash_version = qla82xx_get_flash_version,
.start_scsi = qla82xx_start_scsi,
.start_scsi_mq = NULL,
.abort_isp = qla82xx_abort_isp,
.iospace_config = qla82xx_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla8044_isp_ops = {
.pci_config = qla82xx_pci_config,
.reset_chip = qla82xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla82xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla81xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla82xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla8044_intr_handler,
.enable_intrs = qla82xx_enable_intrs,
.disable_intrs = qla82xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = NULL,
.write_nvram = NULL,
.fw_dump = qla8044_fw_dump,
.beacon_on = qla82xx_beacon_on,
.beacon_off = qla82xx_beacon_off,
.beacon_blink = NULL,
.read_optrom = qla8044_read_optrom_data,
.write_optrom = qla8044_write_optrom_data,
.get_flash_version = qla82xx_get_flash_version,
.start_scsi = qla82xx_start_scsi,
.start_scsi_mq = NULL,
.abort_isp = qla8044_abort_isp,
.iospace_config = qla82xx_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qla83xx_isp_ops = {
.pci_config = qla25xx_pci_config,
.reset_chip = qla24xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla24xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla81xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla81xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla24xx_intr_handler,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = NULL,
.write_nvram = NULL,
.fw_dump = qla83xx_fw_dump,
.beacon_on = qla24xx_beacon_on,
.beacon_off = qla24xx_beacon_off,
.beacon_blink = qla83xx_beacon_blink,
.read_optrom = qla25xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_dif_start_scsi,
.start_scsi_mq = qla2xxx_dif_start_scsi_mq,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla83xx_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static struct isp_operations qlafx00_isp_ops = {
.pci_config = qlafx00_pci_config,
.reset_chip = qlafx00_soft_reset,
.chip_diag = qlafx00_chip_diag,
.config_rings = qlafx00_config_rings,
.reset_adapter = qlafx00_soft_reset,
.nvram_config = NULL,
.update_fw_options = NULL,
.load_risc = NULL,
.pci_info_str = qlafx00_pci_info_str,
.fw_version_str = qlafx00_fw_version_str,
.intr_handler = qlafx00_intr_handler,
.enable_intrs = qlafx00_enable_intrs,
.disable_intrs = qlafx00_disable_intrs,
.abort_command = qla24xx_async_abort_command,
.target_reset = qlafx00_abort_target,
.lun_reset = qlafx00_lun_reset,
.fabric_login = NULL,
.fabric_logout = NULL,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = qla24xx_read_nvram_data,
.write_nvram = qla24xx_write_nvram_data,
.fw_dump = NULL,
.beacon_on = qla24xx_beacon_on,
.beacon_off = qla24xx_beacon_off,
.beacon_blink = NULL,
.read_optrom = qla24xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qlafx00_start_scsi,
.start_scsi_mq = NULL,
.abort_isp = qlafx00_abort_isp,
.iospace_config = qlafx00_iospace_config,
.initialize_adapter = qlafx00_initialize_adapter,
};
static struct isp_operations qla27xx_isp_ops = {
.pci_config = qla25xx_pci_config,
.reset_chip = qla24xx_reset_chip,
.chip_diag = qla24xx_chip_diag,
.config_rings = qla24xx_config_rings,
.reset_adapter = qla24xx_reset_adapter,
.nvram_config = qla81xx_nvram_config,
.update_fw_options = qla24xx_update_fw_options,
.load_risc = qla81xx_load_risc,
.pci_info_str = qla24xx_pci_info_str,
.fw_version_str = qla24xx_fw_version_str,
.intr_handler = qla24xx_intr_handler,
.enable_intrs = qla24xx_enable_intrs,
.disable_intrs = qla24xx_disable_intrs,
.abort_command = qla24xx_abort_command,
.target_reset = qla24xx_abort_target,
.lun_reset = qla24xx_lun_reset,
.fabric_login = qla24xx_login_fabric,
.fabric_logout = qla24xx_fabric_logout,
.calc_req_entries = NULL,
.build_iocbs = NULL,
.prep_ms_iocb = qla24xx_prep_ms_iocb,
.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb,
.read_nvram = NULL,
.write_nvram = NULL,
.fw_dump = qla27xx_fwdump,
.mpi_fw_dump = qla27xx_mpi_fwdump,
.beacon_on = qla24xx_beacon_on,
.beacon_off = qla24xx_beacon_off,
.beacon_blink = qla83xx_beacon_blink,
.read_optrom = qla25xx_read_optrom_data,
.write_optrom = qla24xx_write_optrom_data,
.get_flash_version = qla24xx_get_flash_version,
.start_scsi = qla24xx_dif_start_scsi,
.start_scsi_mq = qla2xxx_dif_start_scsi_mq,
.abort_isp = qla2x00_abort_isp,
.iospace_config = qla83xx_iospace_config,
.initialize_adapter = qla2x00_initialize_adapter,
};
static inline void
qla2x00_set_isp_flags(struct qla_hw_data *ha)
{
ha->device_type = DT_EXTENDED_IDS;
switch (ha->pdev->device) {
case PCI_DEVICE_ID_QLOGIC_ISP2100:
ha->isp_type |= DT_ISP2100;
ha->device_type &= ~DT_EXTENDED_IDS;
ha->fw_srisc_address = RISC_START_ADDRESS_2100;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2200:
ha->isp_type |= DT_ISP2200;
ha->device_type &= ~DT_EXTENDED_IDS;
ha->fw_srisc_address = RISC_START_ADDRESS_2100;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2300:
ha->isp_type |= DT_ISP2300;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->fw_srisc_address = RISC_START_ADDRESS_2300;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2312:
ha->isp_type |= DT_ISP2312;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->fw_srisc_address = RISC_START_ADDRESS_2300;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2322:
ha->isp_type |= DT_ISP2322;
ha->device_type |= DT_ZIO_SUPPORTED;
if (ha->pdev->subsystem_vendor == 0x1028 &&
ha->pdev->subsystem_device == 0x0170)
ha->device_type |= DT_OEM_001;
ha->fw_srisc_address = RISC_START_ADDRESS_2300;
break;
case PCI_DEVICE_ID_QLOGIC_ISP6312:
ha->isp_type |= DT_ISP6312;
ha->fw_srisc_address = RISC_START_ADDRESS_2300;
break;
case PCI_DEVICE_ID_QLOGIC_ISP6322:
ha->isp_type |= DT_ISP6322;
ha->fw_srisc_address = RISC_START_ADDRESS_2300;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2422:
ha->isp_type |= DT_ISP2422;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2432:
ha->isp_type |= DT_ISP2432;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP8432:
ha->isp_type |= DT_ISP8432;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP5422:
ha->isp_type |= DT_ISP5422;
ha->device_type |= DT_FWI2;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP5432:
ha->isp_type |= DT_ISP5432;
ha->device_type |= DT_FWI2;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2532:
ha->isp_type |= DT_ISP2532;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP8001:
ha->isp_type |= DT_ISP8001;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP8021:
ha->isp_type |= DT_ISP8021;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
/* Initialize 82XX ISP flags */
qla82xx_init_flags(ha);
break;
case PCI_DEVICE_ID_QLOGIC_ISP8044:
ha->isp_type |= DT_ISP8044;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
/* Initialize 82XX ISP flags */
qla82xx_init_flags(ha);
break;
case PCI_DEVICE_ID_QLOGIC_ISP2031:
ha->isp_type |= DT_ISP2031;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP8031:
ha->isp_type |= DT_ISP8031;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISPF001:
ha->isp_type |= DT_ISPFX00;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2071:
ha->isp_type |= DT_ISP2071;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2271:
ha->isp_type |= DT_ISP2271;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2261:
ha->isp_type |= DT_ISP2261;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2081:
case PCI_DEVICE_ID_QLOGIC_ISP2089:
ha->isp_type |= DT_ISP2081;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
case PCI_DEVICE_ID_QLOGIC_ISP2281:
case PCI_DEVICE_ID_QLOGIC_ISP2289:
ha->isp_type |= DT_ISP2281;
ha->device_type |= DT_ZIO_SUPPORTED;
ha->device_type |= DT_FWI2;
ha->device_type |= DT_IIDMA;
ha->device_type |= DT_T10_PI;
ha->fw_srisc_address = RISC_START_ADDRESS_2400;
break;
}
if (IS_QLA82XX(ha))
ha->port_no = ha->portnum & 1;
else {
/* Get adapter physical port no from interrupt pin register. */
pci_read_config_byte(ha->pdev, PCI_INTERRUPT_PIN, &ha->port_no);
if (IS_QLA25XX(ha) || IS_QLA2031(ha) ||
IS_QLA27XX(ha) || IS_QLA28XX(ha))
ha->port_no--;
else
ha->port_no = !(ha->port_no & 1);
}
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x000b,
"device_type=0x%x port=%d fw_srisc_address=0x%x.\n",
ha->device_type, ha->port_no, ha->fw_srisc_address);
}
static void
qla2xxx_scan_start(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
if (vha->hw->flags.running_gold_fw)
return;
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(RSCN_UPDATE, &vha->dpc_flags);
set_bit(NPIV_CONFIG_NEEDED, &vha->dpc_flags);
}
static int
qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time)
{
scsi_qla_host_t *vha = shost_priv(shost);
if (test_bit(UNLOADING, &vha->dpc_flags))
return 1;
if (!vha->host)
return 1;
if (time > vha->hw->loop_reset_delay * HZ)
return 1;
return atomic_read(&vha->loop_state) == LOOP_READY;
}
static void qla_heartbeat_work_fn(struct work_struct *work)
{
struct qla_hw_data *ha = container_of(work,
struct qla_hw_data, heartbeat_work);
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
if (!ha->flags.mbox_busy && base_vha->flags.init_done)
qla_no_op_mb(base_vha);
}
static void qla2x00_iocb_work_fn(struct work_struct *work)
{
struct scsi_qla_host *vha = container_of(work,
struct scsi_qla_host, iocb_work);
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
int i = 2;
unsigned long flags;
if (test_bit(UNLOADING, &base_vha->dpc_flags))
return;
while (!list_empty(&vha->work_list) && i > 0) {
qla2x00_do_work(vha);
i--;
}
spin_lock_irqsave(&vha->work_lock, flags);
clear_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags);
spin_unlock_irqrestore(&vha->work_lock, flags);
}
static void
qla_trace_init(void)
{
qla_trc_array = trace_array_get_by_name("qla2xxx");
if (!qla_trc_array) {
ql_log(ql_log_fatal, NULL, 0x0001,
"Unable to create qla2xxx trace instance, instance logging will be disabled.\n");
return;
}
QLA_TRACE_ENABLE(qla_trc_array);
}
static void
qla_trace_uninit(void)
{
if (!qla_trc_array)
return;
trace_array_put(qla_trc_array);
}
/*
* PCI driver interface
*/
static int
qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
{
int ret = -ENODEV;
struct Scsi_Host *host;
scsi_qla_host_t *base_vha = NULL;
struct qla_hw_data *ha;
char pci_info[30];
char fw_str[30], wq_name[30];
struct scsi_host_template *sht;
int bars, mem_only = 0;
uint16_t req_length = 0, rsp_length = 0;
struct req_que *req = NULL;
struct rsp_que *rsp = NULL;
int i;
bars = pci_select_bars(pdev, IORESOURCE_MEM | IORESOURCE_IO);
sht = &qla2xxx_driver_template;
if (pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2422 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2432 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8432 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5422 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISPF001 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8044 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2071 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2271 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2261 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2081 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2281 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2089 ||
pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2289) {
bars = pci_select_bars(pdev, IORESOURCE_MEM);
mem_only = 1;
ql_dbg_pci(ql_dbg_init, pdev, 0x0007,
"Mem only adapter.\n");
}
ql_dbg_pci(ql_dbg_init, pdev, 0x0008,
"Bars=%d.\n", bars);
if (mem_only) {
if (pci_enable_device_mem(pdev))
return ret;
} else {
if (pci_enable_device(pdev))
return ret;
}
if (is_kdump_kernel()) {
ql2xmqsupport = 0;
ql2xallocfwdump = 0;
}
/* This may fail but that's ok */
pci_enable_pcie_error_reporting(pdev);
ha = kzalloc(sizeof(struct qla_hw_data), GFP_KERNEL);
if (!ha) {
ql_log_pci(ql_log_fatal, pdev, 0x0009,
"Unable to allocate memory for ha.\n");
goto disable_device;
}
ql_dbg_pci(ql_dbg_init, pdev, 0x000a,
"Memory allocated for ha=%p.\n", ha);
ha->pdev = pdev;
INIT_LIST_HEAD(&ha->tgt.q_full_list);
spin_lock_init(&ha->tgt.q_full_lock);
spin_lock_init(&ha->tgt.sess_lock);
spin_lock_init(&ha->tgt.atio_lock);
spin_lock_init(&ha->sadb_lock);
INIT_LIST_HEAD(&ha->sadb_tx_index_list);
INIT_LIST_HEAD(&ha->sadb_rx_index_list);
spin_lock_init(&ha->sadb_fp_lock);
if (qla_edif_sadb_build_free_pool(ha)) {
kfree(ha);
goto disable_device;
}
atomic_set(&ha->nvme_active_aen_cnt, 0);
/* Clear our data area */
ha->bars = bars;
ha->mem_only = mem_only;
spin_lock_init(&ha->hardware_lock);
spin_lock_init(&ha->vport_slock);
mutex_init(&ha->selflogin_lock);
mutex_init(&ha->optrom_mutex);
/* Set ISP-type information. */
qla2x00_set_isp_flags(ha);
/* Set EEH reset type to fundamental if required by hba */
if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha) ||
IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha))
pdev->needs_freset = 1;
ha->prev_topology = 0;
ha->init_cb_size = sizeof(init_cb_t);
ha->link_data_rate = PORT_SPEED_UNKNOWN;
ha->optrom_size = OPTROM_SIZE_2300;
ha->max_exchg = FW_MAX_EXCHANGES_CNT;
atomic_set(&ha->num_pend_mbx_stage1, 0);
atomic_set(&ha->num_pend_mbx_stage2, 0);
atomic_set(&ha->zio_threshold, DEFAULT_ZIO_THRESHOLD);
ha->last_zio_threshold = DEFAULT_ZIO_THRESHOLD;
INIT_LIST_HEAD(&ha->tmf_pending);
INIT_LIST_HEAD(&ha->tmf_active);
/* Assign ISP specific operations. */
if (IS_QLA2100(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
req_length = REQUEST_ENTRY_CNT_2100;
rsp_length = RESPONSE_ENTRY_CNT_2100;
ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
ha->gid_list_info_size = 4;
ha->flash_conf_off = ~0;
ha->flash_data_off = ~0;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
ha->isp_ops = &qla2100_isp_ops;
} else if (IS_QLA2200(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
ha->mbx_count = MAILBOX_REGISTER_COUNT_2200;
req_length = REQUEST_ENTRY_CNT_2200;
rsp_length = RESPONSE_ENTRY_CNT_2100;
ha->max_loop_id = SNS_LAST_LOOP_ID_2100;
ha->gid_list_info_size = 4;
ha->flash_conf_off = ~0;
ha->flash_data_off = ~0;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
ha->isp_ops = &qla2100_isp_ops;
} else if (IS_QLA23XX(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_2200;
rsp_length = RESPONSE_ENTRY_CNT_2300;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->gid_list_info_size = 6;
if (IS_QLA2322(ha) || IS_QLA6322(ha))
ha->optrom_size = OPTROM_SIZE_2322;
ha->flash_conf_off = ~0;
ha->flash_data_off = ~0;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
ha->isp_ops = &qla2300_isp_ops;
} else if (IS_QLA24XX_TYPE(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_24XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA24XX;
ha->isp_ops = &qla24xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
} else if (IS_QLA25XX(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_24xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_25XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla25xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
} else if (IS_QLA81XX(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_24XX;
rsp_length = RESPONSE_ENTRY_CNT_2300;
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_81XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla81xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
} else if (IS_QLA82XX(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_82XX;
rsp_length = RESPONSE_ENTRY_CNT_82XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_82XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla82xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
} else if (IS_QLA8044(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_82XX;
rsp_length = RESPONSE_ENTRY_CNT_82XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_83XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla8044_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA;
ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF;
ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA;
} else if (IS_QLA83XX(ha)) {
ha->portnum = PCI_FUNC(ha->pdev->devfn);
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_83XX;
rsp_length = RESPONSE_ENTRY_CNT_83XX;
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_83XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla83xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
} else if (IS_QLAFX00(ha)) {
ha->max_fibre_devices = MAX_FIBRE_DEVICES_FX00;
ha->mbx_count = MAILBOX_REGISTER_COUNT_FX00;
ha->aen_mbx_count = AEN_MAILBOX_REGISTER_COUNT_FX00;
req_length = REQUEST_ENTRY_CNT_FX00;
rsp_length = RESPONSE_ENTRY_CNT_FX00;
ha->isp_ops = &qlafx00_isp_ops;
ha->port_down_retry_count = 30; /* default value */
ha->mr.fw_hbt_cnt = QLAFX00_HEARTBEAT_INTERVAL;
ha->mr.fw_reset_timer_tick = QLAFX00_RESET_INTERVAL;
ha->mr.fw_critemp_timer_tick = QLAFX00_CRITEMP_INTERVAL;
ha->mr.fw_hbt_en = 1;
ha->mr.host_info_resend = false;
ha->mr.hinfo_resend_timer_tick = QLAFX00_HINFO_RESEND_INTERVAL;
} else if (IS_QLA27XX(ha)) {
ha->portnum = PCI_FUNC(ha->pdev->devfn);
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_83XX;
rsp_length = RESPONSE_ENTRY_CNT_83XX;
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_83XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla27xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
} else if (IS_QLA28XX(ha)) {
ha->portnum = PCI_FUNC(ha->pdev->devfn);
ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400;
ha->mbx_count = MAILBOX_REGISTER_COUNT;
req_length = REQUEST_ENTRY_CNT_83XX;
rsp_length = RESPONSE_ENTRY_CNT_83XX;
ha->tgt.atio_q_length = ATIO_ENTRY_CNT_24XX;
ha->max_loop_id = SNS_LAST_LOOP_ID_2300;
ha->init_cb_size = sizeof(struct mid_init_cb_81xx);
ha->gid_list_info_size = 8;
ha->optrom_size = OPTROM_SIZE_28XX;
ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX;
ha->isp_ops = &qla27xx_isp_ops;
ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_28XX;
ha->flash_data_off = FARX_ACCESS_FLASH_DATA_28XX;
ha->nvram_conf_off = ~0;
ha->nvram_data_off = ~0;
}
ql_dbg_pci(ql_dbg_init, pdev, 0x001e,
"mbx_count=%d, req_length=%d, "
"rsp_length=%d, max_loop_id=%d, init_cb_size=%d, "
"gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, "
"max_fibre_devices=%d.\n",
ha->mbx_count, req_length, rsp_length, ha->max_loop_id,
ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size,
ha->nvram_npiv_size, ha->max_fibre_devices);
ql_dbg_pci(ql_dbg_init, pdev, 0x001f,
"isp_ops=%p, flash_conf_off=%d, "
"flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n",
ha->isp_ops, ha->flash_conf_off, ha->flash_data_off,
ha->nvram_conf_off, ha->nvram_data_off);
/* Configure PCI I/O space */
ret = ha->isp_ops->iospace_config(ha);
if (ret)
goto iospace_config_failed;
ql_log_pci(ql_log_info, pdev, 0x001d,
"Found an ISP%04X irq %d iobase 0x%p.\n",
pdev->device, pdev->irq, ha->iobase);
mutex_init(&ha->vport_lock);
mutex_init(&ha->mq_lock);
init_completion(&ha->mbx_cmd_comp);
complete(&ha->mbx_cmd_comp);
init_completion(&ha->mbx_intr_comp);
init_completion(&ha->dcbx_comp);
init_completion(&ha->lb_portup_comp);
set_bit(0, (unsigned long *) ha->vp_idx_map);
qla2x00_config_dma_addressing(ha);
ql_dbg_pci(ql_dbg_init, pdev, 0x0020,
"64 Bit addressing is %s.\n",
ha->flags.enable_64bit_addressing ? "enable" :
"disable");
ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp);
if (ret) {
ql_log_pci(ql_log_fatal, pdev, 0x0031,
"Failed to allocate memory for adapter, aborting.\n");
goto probe_hw_failed;
}
req->max_q_depth = MAX_Q_DEPTH;
if (ql2xmaxqdepth != 0 && ql2xmaxqdepth <= 0xffffU)
req->max_q_depth = ql2xmaxqdepth;
base_vha = qla2x00_create_host(sht, ha);
if (!base_vha) {
ret = -ENOMEM;
goto probe_hw_failed;
}
pci_set_drvdata(pdev, base_vha);
set_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
host = base_vha->host;
base_vha->req = req;
if (IS_QLA2XXX_MIDTYPE(ha))
base_vha->mgmt_svr_loop_id =
qla2x00_reserve_mgmt_server_loop_id(base_vha);
else
base_vha->mgmt_svr_loop_id = MANAGEMENT_SERVER +
base_vha->vp_idx;
/* Setup fcport template structure. */
ha->mr.fcport.vha = base_vha;
ha->mr.fcport.port_type = FCT_UNKNOWN;
ha->mr.fcport.loop_id = FC_NO_LOOP_ID;
qla2x00_set_fcport_state(&ha->mr.fcport, FCS_UNCONFIGURED);
ha->mr.fcport.supported_classes = FC_COS_UNSPECIFIED;
ha->mr.fcport.scan_state = 1;
qla2xxx_reset_stats(host, QLA2XX_HW_ERROR | QLA2XX_SHT_LNK_DWN |
QLA2XX_INT_ERR | QLA2XX_CMD_TIMEOUT |
QLA2XX_RESET_CMD_ERR | QLA2XX_TGT_SHT_LNK_DOWN);
/* Set the SG table size based on ISP type */
if (!IS_FWI2_CAPABLE(ha)) {
if (IS_QLA2100(ha))
host->sg_tablesize = 32;
} else {
if (!IS_QLA82XX(ha))
host->sg_tablesize = QLA_SG_ALL;
}
host->max_id = ha->max_fibre_devices;
host->cmd_per_lun = 3;
host->unique_id = host->host_no;
if (ql2xenabledif && ql2xenabledif != 2) {
ql_log(ql_log_warn, base_vha, 0x302d,
"Invalid value for ql2xenabledif, resetting it to default (2)\n");
ql2xenabledif = 2;
}
if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif)
host->max_cmd_len = 32;
else
host->max_cmd_len = MAX_CMDSZ;
host->max_channel = MAX_BUSES - 1;
/* Older HBAs support only 16-bit LUNs */
if (!IS_QLAFX00(ha) && !IS_FWI2_CAPABLE(ha) &&
ql2xmaxlun > 0xffff)
host->max_lun = 0xffff;
else
host->max_lun = ql2xmaxlun;
host->transportt = qla2xxx_transport_template;
sht->vendor_id = (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_QLOGIC);
ql_dbg(ql_dbg_init, base_vha, 0x0033,
"max_id=%d this_id=%d "
"cmd_per_len=%d unique_id=%d max_cmd_len=%d max_channel=%d "
"max_lun=%llu transportt=%p, vendor_id=%llu.\n", host->max_id,
host->this_id, host->cmd_per_lun, host->unique_id,
host->max_cmd_len, host->max_channel, host->max_lun,
host->transportt, sht->vendor_id);
INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn);
INIT_WORK(&ha->heartbeat_work, qla_heartbeat_work_fn);
/* Set up the irqs */
ret = qla2x00_request_irqs(ha, rsp);
if (ret)
goto probe_failed;
/* Alloc arrays of request and response ring ptrs */
ret = qla2x00_alloc_queues(ha, req, rsp);
if (ret) {
ql_log(ql_log_fatal, base_vha, 0x003d,
"Failed to allocate memory for queue pointers..."
"aborting.\n");
ret = -ENODEV;
goto probe_failed;
}
if (ha->mqenable) {
/* number of hardware queues supported by blk/scsi-mq*/
host->nr_hw_queues = ha->max_qpairs;
ql_dbg(ql_dbg_init, base_vha, 0x0192,
"blk/scsi-mq enabled, HW queues = %d.\n", host->nr_hw_queues);
} else {
if (ql2xnvmeenable) {
host->nr_hw_queues = ha->max_qpairs;
ql_dbg(ql_dbg_init, base_vha, 0x0194,
"FC-NVMe support is enabled, HW queues=%d\n",
host->nr_hw_queues);
} else {
ql_dbg(ql_dbg_init, base_vha, 0x0193,
"blk/scsi-mq disabled.\n");
}
}
qlt_probe_one_stage1(base_vha, ha);
pci_save_state(pdev);
/* Assign back pointers */
rsp->req = req;
req->rsp = rsp;
if (IS_QLAFX00(ha)) {
ha->rsp_q_map[0] = rsp;
ha->req_q_map[0] = req;
set_bit(0, ha->req_qid_map);
set_bit(0, ha->rsp_qid_map);
}
/* FWI2-capable only. */
req->req_q_in = &ha->iobase->isp24.req_q_in;
req->req_q_out = &ha->iobase->isp24.req_q_out;
rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in;
rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out;
if (ha->mqenable || IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha)) {
req->req_q_in = &ha->mqiobase->isp25mq.req_q_in;
req->req_q_out = &ha->mqiobase->isp25mq.req_q_out;
rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in;
rsp->rsp_q_out = &ha->mqiobase->isp25mq.rsp_q_out;
}
if (IS_QLAFX00(ha)) {
req->req_q_in = &ha->iobase->ispfx00.req_q_in;
req->req_q_out = &ha->iobase->ispfx00.req_q_out;
rsp->rsp_q_in = &ha->iobase->ispfx00.rsp_q_in;
rsp->rsp_q_out = &ha->iobase->ispfx00.rsp_q_out;
}
if (IS_P3P_TYPE(ha)) {
req->req_q_out = &ha->iobase->isp82.req_q_out[0];
rsp->rsp_q_in = &ha->iobase->isp82.rsp_q_in[0];
rsp->rsp_q_out = &ha->iobase->isp82.rsp_q_out[0];
}
ql_dbg(ql_dbg_multiq, base_vha, 0xc009,
"rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
ql_dbg(ql_dbg_multiq, base_vha, 0xc00a,
"req->req_q_in=%p req->req_q_out=%p "
"rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
req->req_q_in, req->req_q_out,
rsp->rsp_q_in, rsp->rsp_q_out);
ql_dbg(ql_dbg_init, base_vha, 0x003e,
"rsp_q_map=%p req_q_map=%p rsp->req=%p req->rsp=%p.\n",
ha->rsp_q_map, ha->req_q_map, rsp->req, req->rsp);
ql_dbg(ql_dbg_init, base_vha, 0x003f,
"req->req_q_in=%p req->req_q_out=%p rsp->rsp_q_in=%p rsp->rsp_q_out=%p.\n",
req->req_q_in, req->req_q_out, rsp->rsp_q_in, rsp->rsp_q_out);
ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 0);
if (unlikely(!ha->wq)) {
ret = -ENOMEM;
goto probe_failed;
}
if (ha->isp_ops->initialize_adapter(base_vha)) {
ql_log(ql_log_fatal, base_vha, 0x00d6,
"Failed to initialize adapter - Adapter flags %x.\n",
base_vha->device_flags);
if (IS_QLA82XX(ha)) {
qla82xx_idc_lock(ha);
qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA8XXX_DEV_FAILED);
qla82xx_idc_unlock(ha);
ql_log(ql_log_fatal, base_vha, 0x00d7,
"HW State: FAILED.\n");
} else if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
qla8044_wr_direct(base_vha,
QLA8044_CRB_DEV_STATE_INDEX,
QLA8XXX_DEV_FAILED);
qla8044_idc_unlock(ha);
ql_log(ql_log_fatal, base_vha, 0x0150,
"HW State: FAILED.\n");
}
ret = -ENODEV;
goto probe_failed;
}
if (IS_QLAFX00(ha))
host->can_queue = QLAFX00_MAX_CANQUEUE;
else
host->can_queue = req->num_outstanding_cmds - 10;
ql_dbg(ql_dbg_init, base_vha, 0x0032,
"can_queue=%d, req=%p, mgmt_svr_loop_id=%d, sg_tablesize=%d.\n",
host->can_queue, base_vha->req,
base_vha->mgmt_svr_loop_id, host->sg_tablesize);
/* Check if FW supports MQ or not for ISP25xx */
if (IS_QLA25XX(ha) && !(ha->fw_attributes & BIT_6))
ha->mqenable = 0;
if (ha->mqenable) {
bool startit = false;
if (QLA_TGT_MODE_ENABLED())
startit = false;
if (ql2x_ini_mode == QLA2XXX_INI_MODE_ENABLED)
startit = true;
/* Create start of day qpairs for Block MQ */
for (i = 0; i < ha->max_qpairs; i++)
qla2xxx_create_qpair(base_vha, 5, 0, startit);
}
qla_init_iocb_limit(base_vha);
if (ha->flags.running_gold_fw)
goto skip_dpc;
/*
* Startup the kernel thread for this host adapter
*/
ha->dpc_thread = kthread_create(qla2x00_do_dpc, ha,
"%s_dpc", base_vha->host_str);
if (IS_ERR(ha->dpc_thread)) {
ql_log(ql_log_fatal, base_vha, 0x00ed,
"Failed to start DPC thread.\n");
ret = PTR_ERR(ha->dpc_thread);
ha->dpc_thread = NULL;
goto probe_failed;
}
ql_dbg(ql_dbg_init, base_vha, 0x00ee,
"DPC thread started successfully.\n");
/*
* If we're not coming up in initiator mode, we might sit for
* a while without waking up the dpc thread, which leads to a
* stuck process warning. So just kick the dpc once here and
* let the kthread start (and go back to sleep in qla2x00_do_dpc).
*/
qla2xxx_wake_dpc(base_vha);
INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error);
if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) {
sprintf(wq_name, "qla2xxx_%lu_dpc_lp_wq", base_vha->host_no);
ha->dpc_lp_wq = create_singlethread_workqueue(wq_name);
INIT_WORK(&ha->idc_aen, qla83xx_service_idc_aen);
sprintf(wq_name, "qla2xxx_%lu_dpc_hp_wq", base_vha->host_no);
ha->dpc_hp_wq = create_singlethread_workqueue(wq_name);
INIT_WORK(&ha->nic_core_reset, qla83xx_nic_core_reset_work);
INIT_WORK(&ha->idc_state_handler,
qla83xx_idc_state_handler_work);
INIT_WORK(&ha->nic_core_unrecoverable,
qla83xx_nic_core_unrecoverable_work);
}
skip_dpc:
list_add_tail(&base_vha->list, &ha->vp_list);
base_vha->host->irq = ha->pdev->irq;
/* Initialized the timer */
qla2x00_start_timer(base_vha, WATCH_INTERVAL);
ql_dbg(ql_dbg_init, base_vha, 0x00ef,
"Started qla2x00_timer with "
"interval=%d.\n", WATCH_INTERVAL);
ql_dbg(ql_dbg_init, base_vha, 0x00f0,
"Detected hba at address=%p.\n",
ha);
if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
if (ha->fw_attributes & BIT_4) {
int prot = 0, guard;
base_vha->flags.difdix_supported = 1;
ql_dbg(ql_dbg_init, base_vha, 0x00f1,
"Registering for DIF/DIX type 1 and 3 protection.\n");
if (ql2xprotmask)
scsi_host_set_prot(host, ql2xprotmask);
else
scsi_host_set_prot(host,
prot | SHOST_DIF_TYPE1_PROTECTION
| SHOST_DIF_TYPE2_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION
| SHOST_DIX_TYPE1_PROTECTION
| SHOST_DIX_TYPE2_PROTECTION
| SHOST_DIX_TYPE3_PROTECTION);
guard = SHOST_DIX_GUARD_CRC;
if (IS_PI_IPGUARD_CAPABLE(ha) &&
(ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
guard |= SHOST_DIX_GUARD_IP;
if (ql2xprotguard)
scsi_host_set_guard(host, ql2xprotguard);
else
scsi_host_set_guard(host, guard);
} else
base_vha->flags.difdix_supported = 0;
}
ha->isp_ops->enable_intrs(ha);
if (IS_QLAFX00(ha)) {
ret = qlafx00_fx_disc(base_vha,
&base_vha->hw->mr.fcport, FXDISC_GET_CONFIG_INFO);
host->sg_tablesize = (ha->mr.extended_io_enabled) ?
QLA_SG_ALL : 128;
}
ret = scsi_add_host(host, &pdev->dev);
if (ret)
goto probe_failed;
base_vha->flags.init_done = 1;
base_vha->flags.online = 1;
ha->prev_minidump_failed = 0;
ql_dbg(ql_dbg_init, base_vha, 0x00f2,
"Init done and hba is online.\n");
if (qla_ini_mode_enabled(base_vha) ||
qla_dual_mode_enabled(base_vha))
scsi_scan_host(host);
else
ql_log(ql_log_info, base_vha, 0x0122,
"skipping scsi_scan_host() for non-initiator port\n");
qla2x00_alloc_sysfs_attr(base_vha);
if (IS_QLAFX00(ha)) {
ret = qlafx00_fx_disc(base_vha,
&base_vha->hw->mr.fcport, FXDISC_GET_PORT_INFO);
/* Register system information */
ret = qlafx00_fx_disc(base_vha,
&base_vha->hw->mr.fcport, FXDISC_REG_HOST_INFO);
}
qla2x00_init_host_attr(base_vha);
qla2x00_dfs_setup(base_vha);
ql_log(ql_log_info, base_vha, 0x00fb,
"QLogic %s - %s.\n", ha->model_number, ha->model_desc);
ql_log(ql_log_info, base_vha, 0x00fc,
"ISP%04X: %s @ %s hdma%c host#=%ld fw=%s.\n",
pdev->device, ha->isp_ops->pci_info_str(base_vha, pci_info,
sizeof(pci_info)),
pci_name(pdev), ha->flags.enable_64bit_addressing ? '+' : '-',
base_vha->host_no,
ha->isp_ops->fw_version_str(base_vha, fw_str, sizeof(fw_str)));
qlt_add_target(ha, base_vha);
clear_bit(PFLG_DRIVER_PROBING, &base_vha->pci_flags);
if (test_bit(UNLOADING, &base_vha->dpc_flags))
return -ENODEV;
return 0;
probe_failed:
qla_enode_stop(base_vha);
qla_edb_stop(base_vha);
vfree(base_vha->scan.l);
if (base_vha->gnl.l) {
dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
base_vha->gnl.l, base_vha->gnl.ldma);
base_vha->gnl.l = NULL;
}
if (base_vha->timer_active)
qla2x00_stop_timer(base_vha);
base_vha->flags.online = 0;
if (ha->dpc_thread) {
struct task_struct *t = ha->dpc_thread;
ha->dpc_thread = NULL;
kthread_stop(t);
}
qla2x00_free_device(base_vha);
scsi_host_put(base_vha->host);
/*
* Need to NULL out local req/rsp after
* qla2x00_free_device => qla2x00_free_queues frees
* what these are pointing to. Or else we'll
* fall over below in qla2x00_free_req/rsp_que.
*/
req = NULL;
rsp = NULL;
probe_hw_failed:
qla2x00_mem_free(ha);
qla2x00_free_req_que(ha, req);
qla2x00_free_rsp_que(ha, rsp);
qla2x00_clear_drv_active(ha);
iospace_config_failed:
if (IS_P3P_TYPE(ha)) {
if (!ha->nx_pcibase)
iounmap((device_reg_t *)ha->nx_pcibase);
if (!ql2xdbwr)
iounmap((device_reg_t *)ha->nxdb_wr_ptr);
} else {
if (ha->iobase)
iounmap(ha->iobase);
if (ha->cregbase)
iounmap(ha->cregbase);
}
pci_release_selected_regions(ha->pdev, ha->bars);
kfree(ha);
disable_device:
pci_disable_device(pdev);
return ret;
}
static void __qla_set_remove_flag(scsi_qla_host_t *base_vha)
{
scsi_qla_host_t *vp;
unsigned long flags;
struct qla_hw_data *ha;
if (!base_vha)
return;
ha = base_vha->hw;
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry(vp, &ha->vp_list, list)
set_bit(PFLG_DRIVER_REMOVING, &vp->pci_flags);
/*
* Indicate device removal to prevent future board_disable
* and wait until any pending board_disable has completed.
*/
set_bit(PFLG_DRIVER_REMOVING, &base_vha->pci_flags);
spin_unlock_irqrestore(&ha->vport_slock, flags);
}
static void
qla2x00_shutdown(struct pci_dev *pdev)
{
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
vha = pci_get_drvdata(pdev);
ha = vha->hw;
ql_log(ql_log_info, vha, 0xfffa,
"Adapter shutdown\n");
/*
* Prevent future board_disable and wait
* until any pending board_disable has completed.
*/
__qla_set_remove_flag(vha);
cancel_work_sync(&ha->board_disable);
if (!atomic_read(&pdev->enable_cnt))
return;
/* Notify ISPFX00 firmware */
if (IS_QLAFX00(ha))
qlafx00_driver_shutdown(vha, 20);
/* Turn-off FCE trace */
if (ha->flags.fce_enabled) {
qla2x00_disable_fce_trace(vha, NULL, NULL);
ha->flags.fce_enabled = 0;
}
/* Turn-off EFT trace */
if (ha->eft)
qla2x00_disable_eft_trace(vha);
if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha)) {
if (ha->flags.fw_started)
qla2x00_abort_isp_cleanup(vha);
} else {
/* Stop currently executing firmware. */
qla2x00_try_to_stop_firmware(vha);
}
/* Disable timer */
if (vha->timer_active)
qla2x00_stop_timer(vha);
/* Turn adapter off line */
vha->flags.online = 0;
/* turn-off interrupts on the card */
if (ha->interrupts_on) {
vha->flags.init_done = 0;
ha->isp_ops->disable_intrs(ha);
}
qla2x00_free_irqs(vha);
qla2x00_free_fw_dump(ha);
pci_disable_device(pdev);
ql_log(ql_log_info, vha, 0xfffe,
"Adapter shutdown successfully.\n");
}
/* Deletes all the virtual ports for a given ha */
static void
qla2x00_delete_all_vps(struct qla_hw_data *ha, scsi_qla_host_t *base_vha)
{
scsi_qla_host_t *vha;
unsigned long flags;
mutex_lock(&ha->vport_lock);
while (ha->cur_vport_count) {
spin_lock_irqsave(&ha->vport_slock, flags);
BUG_ON(base_vha->list.next == &ha->vp_list);
/* This assumes first entry in ha->vp_list is always base vha */
vha = list_first_entry(&base_vha->list, scsi_qla_host_t, list);
scsi_host_get(vha->host);
spin_unlock_irqrestore(&ha->vport_slock, flags);
mutex_unlock(&ha->vport_lock);
qla_nvme_delete(vha);
fc_vport_terminate(vha->fc_vport);
scsi_host_put(vha->host);
mutex_lock(&ha->vport_lock);
}
mutex_unlock(&ha->vport_lock);
}
/* Stops all deferred work threads */
static void
qla2x00_destroy_deferred_work(struct qla_hw_data *ha)
{
/* Cancel all work and destroy DPC workqueues */
if (ha->dpc_lp_wq) {
cancel_work_sync(&ha->idc_aen);
destroy_workqueue(ha->dpc_lp_wq);
ha->dpc_lp_wq = NULL;
}
if (ha->dpc_hp_wq) {
cancel_work_sync(&ha->nic_core_reset);
cancel_work_sync(&ha->idc_state_handler);
cancel_work_sync(&ha->nic_core_unrecoverable);
destroy_workqueue(ha->dpc_hp_wq);
ha->dpc_hp_wq = NULL;
}
/* Kill the kernel thread for this host */
if (ha->dpc_thread) {
struct task_struct *t = ha->dpc_thread;
/*
* qla2xxx_wake_dpc checks for ->dpc_thread
* so we need to zero it out.
*/
ha->dpc_thread = NULL;
kthread_stop(t);
}
}
static void
qla2x00_unmap_iobases(struct qla_hw_data *ha)
{
if (IS_QLA82XX(ha)) {
iounmap((device_reg_t *)ha->nx_pcibase);
if (!ql2xdbwr)
iounmap((device_reg_t *)ha->nxdb_wr_ptr);
} else {
if (ha->iobase)
iounmap(ha->iobase);
if (ha->cregbase)
iounmap(ha->cregbase);
if (ha->mqiobase)
iounmap(ha->mqiobase);
if (ha->msixbase)
iounmap(ha->msixbase);
}
}
static void
qla2x00_clear_drv_active(struct qla_hw_data *ha)
{
if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
qla8044_clear_drv_active(ha);
qla8044_idc_unlock(ha);
} else if (IS_QLA82XX(ha)) {
qla82xx_idc_lock(ha);
qla82xx_clear_drv_active(ha);
qla82xx_idc_unlock(ha);
}
}
static void
qla2x00_remove_one(struct pci_dev *pdev)
{
scsi_qla_host_t *base_vha;
struct qla_hw_data *ha;
base_vha = pci_get_drvdata(pdev);
ha = base_vha->hw;
ql_log(ql_log_info, base_vha, 0xb079,
"Removing driver\n");
__qla_set_remove_flag(base_vha);
cancel_work_sync(&ha->board_disable);
/*
* If the PCI device is disabled then there was a PCI-disconnect and
* qla2x00_disable_board_on_pci_error has taken care of most of the
* resources.
*/
if (!atomic_read(&pdev->enable_cnt)) {
dma_free_coherent(&ha->pdev->dev, base_vha->gnl.size,
base_vha->gnl.l, base_vha->gnl.ldma);
base_vha->gnl.l = NULL;
scsi_host_put(base_vha->host);
kfree(ha);
pci_set_drvdata(pdev, NULL);
return;
}
qla2x00_wait_for_hba_ready(base_vha);
/*
* if UNLOADING flag is already set, then continue unload,
* where it was set first.
*/
if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
return;
if (IS_QLA25XX(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha)) {
if (ha->flags.fw_started)
qla2x00_abort_isp_cleanup(base_vha);
} else if (!IS_QLAFX00(ha)) {
if (IS_QLA8031(ha)) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb07e,
"Clearing fcoe driver presence.\n");
if (qla83xx_clear_drv_presence(base_vha) != QLA_SUCCESS)
ql_dbg(ql_dbg_p3p, base_vha, 0xb079,
"Error while clearing DRV-Presence.\n");
}
qla2x00_try_to_stop_firmware(base_vha);
}
qla2x00_wait_for_sess_deletion(base_vha);
qla_nvme_delete(base_vha);
dma_free_coherent(&ha->pdev->dev,
base_vha->gnl.size, base_vha->gnl.l, base_vha->gnl.ldma);
base_vha->gnl.l = NULL;
qla_enode_stop(base_vha);
qla_edb_stop(base_vha);
vfree(base_vha->scan.l);
if (IS_QLAFX00(ha))
qlafx00_driver_shutdown(base_vha, 20);
qla2x00_delete_all_vps(ha, base_vha);
qla2x00_dfs_remove(base_vha);
qla84xx_put_chip(base_vha);
/* Disable timer */
if (base_vha->timer_active)
qla2x00_stop_timer(base_vha);
base_vha->flags.online = 0;
/* free DMA memory */
if (ha->exlogin_buf)
qla2x00_free_exlogin_buffer(ha);
/* free DMA memory */
if (ha->exchoffld_buf)
qla2x00_free_exchoffld_buffer(ha);
qla2x00_destroy_deferred_work(ha);
qlt_remove_target(ha, base_vha);
qla2x00_free_sysfs_attr(base_vha, true);
fc_remove_host(base_vha->host);
scsi_remove_host(base_vha->host);
qla2x00_free_device(base_vha);
qla2x00_clear_drv_active(ha);
scsi_host_put(base_vha->host);
qla2x00_unmap_iobases(ha);
pci_release_selected_regions(ha->pdev, ha->bars);
kfree(ha);
pci_disable_pcie_error_reporting(pdev);
pci_disable_device(pdev);
}
static inline void
qla24xx_free_purex_list(struct purex_list *list)
{
struct purex_item *item, *next;
ulong flags;
spin_lock_irqsave(&list->lock, flags);
list_for_each_entry_safe(item, next, &list->head, list) {
list_del(&item->list);
if (item == &item->vha->default_item)
continue;
kfree(item);
}
spin_unlock_irqrestore(&list->lock, flags);
}
static void
qla2x00_free_device(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
/* Disable timer */
if (vha->timer_active)
qla2x00_stop_timer(vha);
qla25xx_delete_queues(vha);
vha->flags.online = 0;
/* turn-off interrupts on the card */
if (ha->interrupts_on) {
vha->flags.init_done = 0;
ha->isp_ops->disable_intrs(ha);
}
qla2x00_free_fcports(vha);
qla2x00_free_irqs(vha);
/* Flush the work queue and remove it */
if (ha->wq) {
destroy_workqueue(ha->wq);
ha->wq = NULL;
}
qla24xx_free_purex_list(&vha->purex_list);
qla2x00_mem_free(ha);
qla82xx_md_free(vha);
qla_edif_sadb_release_free_pool(ha);
qla_edif_sadb_release(ha);
qla2x00_free_queues(ha);
}
void qla2x00_free_fcports(struct scsi_qla_host *vha)
{
fc_port_t *fcport, *tfcport;
list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list)
qla2x00_free_fcport(fcport);
}
static inline void
qla2x00_schedule_rport_del(struct scsi_qla_host *vha, fc_port_t *fcport)
{
int now;
if (!fcport->rport)
return;
if (fcport->rport) {
ql_dbg(ql_dbg_disc, fcport->vha, 0x2109,
"%s %8phN. rport %p roles %x\n",
__func__, fcport->port_name, fcport->rport,
fcport->rport->roles);
fc_remote_port_delete(fcport->rport);
}
qlt_do_generation_tick(vha, &now);
}
/*
* qla2x00_mark_device_lost Updates fcport state when device goes offline.
*
* Input: ha = adapter block pointer. fcport = port structure pointer.
*
* Return: None.
*
* Context:
*/
void qla2x00_mark_device_lost(scsi_qla_host_t *vha, fc_port_t *fcport,
int do_login)
{
if (IS_QLAFX00(vha->hw)) {
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
qla2x00_schedule_rport_del(vha, fcport);
return;
}
if (atomic_read(&fcport->state) == FCS_ONLINE &&
vha->vp_idx == fcport->vha->vp_idx) {
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
qla2x00_schedule_rport_del(vha, fcport);
}
/*
* We may need to retry the login, so don't change the state of the
* port but do the retries.
*/
if (atomic_read(&fcport->state) != FCS_DEVICE_DEAD)
qla2x00_set_fcport_state(fcport, FCS_DEVICE_LOST);
if (!do_login)
return;
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
}
void
qla2x00_mark_all_devices_lost(scsi_qla_host_t *vha)
{
fc_port_t *fcport;
ql_dbg(ql_dbg_disc, vha, 0x20f1,
"Mark all dev lost\n");
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (ql2xfc2target &&
fcport->loop_id != FC_NO_LOOP_ID &&
(fcport->flags & FCF_FCP2_DEVICE) &&
fcport->port_type == FCT_TARGET &&
!qla2x00_reset_active(vha)) {
ql_dbg(ql_dbg_disc, vha, 0x211a,
"Delaying session delete for FCP2 flags 0x%x port_type = 0x%x port_id=%06x %phC",
fcport->flags, fcport->port_type,
fcport->d_id.b24, fcport->port_name);
continue;
}
fcport->scan_state = 0;
qlt_schedule_sess_for_deletion(fcport);
}
}
static void qla2x00_set_reserved_loop_ids(struct qla_hw_data *ha)
{
int i;
if (IS_FWI2_CAPABLE(ha))
return;
for (i = 0; i < SNS_FIRST_LOOP_ID; i++)
set_bit(i, ha->loop_id_map);
set_bit(MANAGEMENT_SERVER, ha->loop_id_map);
set_bit(BROADCAST, ha->loop_id_map);
}
/*
* qla2x00_mem_alloc
* Allocates adapter memory.
*
* Returns:
* 0 = success.
* !0 = failure.
*/
static int
qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
struct req_que **req, struct rsp_que **rsp)
{
char name[16];
int rc;
ha->init_cb = dma_alloc_coherent(&ha->pdev->dev, ha->init_cb_size,
&ha->init_cb_dma, GFP_KERNEL);
if (!ha->init_cb)
goto fail;
rc = btree_init32(&ha->host_map);
if (rc)
goto fail_free_init_cb;
if (qlt_mem_alloc(ha) < 0)
goto fail_free_btree;
ha->gid_list = dma_alloc_coherent(&ha->pdev->dev,
qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL);
if (!ha->gid_list)
goto fail_free_tgt_mem;
ha->srb_mempool = mempool_create_slab_pool(SRB_MIN_REQ, srb_cachep);
if (!ha->srb_mempool)
goto fail_free_gid_list;
if (IS_P3P_TYPE(ha) || IS_QLA27XX(ha) || (ql2xsecenable && IS_QLA28XX(ha))) {
/* Allocate cache for CT6 Ctx. */
if (!ctx_cachep) {
ctx_cachep = kmem_cache_create("qla2xxx_ctx",
sizeof(struct ct6_dsd), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (!ctx_cachep)
goto fail_free_srb_mempool;
}
ha->ctx_mempool = mempool_create_slab_pool(SRB_MIN_REQ,
ctx_cachep);
if (!ha->ctx_mempool)
goto fail_free_srb_mempool;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0021,
"ctx_cachep=%p ctx_mempool=%p.\n",
ctx_cachep, ha->ctx_mempool);
}
/* Get memory for cached NVRAM */
ha->nvram = kzalloc(MAX_NVRAM_SIZE, GFP_KERNEL);
if (!ha->nvram)
goto fail_free_ctx_mempool;
snprintf(name, sizeof(name), "%s_%d", QLA2XXX_DRIVER_NAME,
ha->pdev->device);
ha->s_dma_pool = dma_pool_create(name, &ha->pdev->dev,
DMA_POOL_SIZE, 8, 0);
if (!ha->s_dma_pool)
goto fail_free_nvram;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0022,
"init_cb=%p gid_list=%p, srb_mempool=%p s_dma_pool=%p.\n",
ha->init_cb, ha->gid_list, ha->srb_mempool, ha->s_dma_pool);
if (IS_P3P_TYPE(ha) || ql2xenabledif || (IS_QLA28XX(ha) && ql2xsecenable)) {
ha->dl_dma_pool = dma_pool_create(name, &ha->pdev->dev,
DSD_LIST_DMA_POOL_SIZE, 8, 0);
if (!ha->dl_dma_pool) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0023,
"Failed to allocate memory for dl_dma_pool.\n");
goto fail_s_dma_pool;
}
ha->fcp_cmnd_dma_pool = dma_pool_create(name, &ha->pdev->dev,
FCP_CMND_DMA_POOL_SIZE, 8, 0);
if (!ha->fcp_cmnd_dma_pool) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0024,
"Failed to allocate memory for fcp_cmnd_dma_pool.\n");
goto fail_dl_dma_pool;
}
if (ql2xenabledif) {
u64 bufsize = DIF_BUNDLING_DMA_POOL_SIZE;
struct dsd_dma *dsd, *nxt;
uint i;
/* Creata a DMA pool of buffers for DIF bundling */
ha->dif_bundl_pool = dma_pool_create(name,
&ha->pdev->dev, DIF_BUNDLING_DMA_POOL_SIZE, 8, 0);
if (!ha->dif_bundl_pool) {
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
"%s: failed create dif_bundl_pool\n",
__func__);
goto fail_dif_bundl_dma_pool;
}
INIT_LIST_HEAD(&ha->pool.good.head);
INIT_LIST_HEAD(&ha->pool.unusable.head);
ha->pool.good.count = 0;
ha->pool.unusable.count = 0;
for (i = 0; i < 128; i++) {
dsd = kzalloc(sizeof(*dsd), GFP_ATOMIC);
if (!dsd) {
ql_dbg_pci(ql_dbg_init, ha->pdev,
0xe0ee, "%s: failed alloc dsd\n",
__func__);
return -ENOMEM;
}
ha->dif_bundle_kallocs++;
dsd->dsd_addr = dma_pool_alloc(
ha->dif_bundl_pool, GFP_ATOMIC,
&dsd->dsd_list_dma);
if (!dsd->dsd_addr) {
ql_dbg_pci(ql_dbg_init, ha->pdev,
0xe0ee,
"%s: failed alloc ->dsd_addr\n",
__func__);
kfree(dsd);
ha->dif_bundle_kallocs--;
continue;
}
ha->dif_bundle_dma_allocs++;
/*
* if DMA buffer crosses 4G boundary,
* put it on bad list
*/
if (MSD(dsd->dsd_list_dma) ^
MSD(dsd->dsd_list_dma + bufsize)) {
list_add_tail(&dsd->list,
&ha->pool.unusable.head);
ha->pool.unusable.count++;
} else {
list_add_tail(&dsd->list,
&ha->pool.good.head);
ha->pool.good.count++;
}
}
/* return the good ones back to the pool */
list_for_each_entry_safe(dsd, nxt,
&ha->pool.good.head, list) {
list_del(&dsd->list);
dma_pool_free(ha->dif_bundl_pool,
dsd->dsd_addr, dsd->dsd_list_dma);
ha->dif_bundle_dma_allocs--;
kfree(dsd);
ha->dif_bundle_kallocs--;
}
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0024,
"%s: dif dma pool (good=%u unusable=%u)\n",
__func__, ha->pool.good.count,
ha->pool.unusable.count);
}
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0025,
"dl_dma_pool=%p fcp_cmnd_dma_pool=%p dif_bundl_pool=%p.\n",
ha->dl_dma_pool, ha->fcp_cmnd_dma_pool,
ha->dif_bundl_pool);
}
/* Allocate memory for SNS commands */
if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
/* Get consistent memory allocated for SNS commands */
ha->sns_cmd = dma_alloc_coherent(&ha->pdev->dev,
sizeof(struct sns_cmd_pkt), &ha->sns_cmd_dma, GFP_KERNEL);
if (!ha->sns_cmd)
goto fail_dma_pool;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0026,
"sns_cmd: %p.\n", ha->sns_cmd);
} else {
/* Get consistent memory allocated for MS IOCB */
ha->ms_iocb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
&ha->ms_iocb_dma);
if (!ha->ms_iocb)
goto fail_dma_pool;
/* Get consistent memory allocated for CT SNS commands */
ha->ct_sns = dma_alloc_coherent(&ha->pdev->dev,
sizeof(struct ct_sns_pkt), &ha->ct_sns_dma, GFP_KERNEL);
if (!ha->ct_sns)
goto fail_free_ms_iocb;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0027,
"ms_iocb=%p ct_sns=%p.\n",
ha->ms_iocb, ha->ct_sns);
}
/* Allocate memory for request ring */
*req = kzalloc(sizeof(struct req_que), GFP_KERNEL);
if (!*req) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0028,
"Failed to allocate memory for req.\n");
goto fail_req;
}
(*req)->length = req_len;
(*req)->ring = dma_alloc_coherent(&ha->pdev->dev,
((*req)->length + 1) * sizeof(request_t),
&(*req)->dma, GFP_KERNEL);
if (!(*req)->ring) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0029,
"Failed to allocate memory for req_ring.\n");
goto fail_req_ring;
}
/* Allocate memory for response ring */
*rsp = kzalloc(sizeof(struct rsp_que), GFP_KERNEL);
if (!*rsp) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x002a,
"Failed to allocate memory for rsp.\n");
goto fail_rsp;
}
(*rsp)->hw = ha;
(*rsp)->length = rsp_len;
(*rsp)->ring = dma_alloc_coherent(&ha->pdev->dev,
((*rsp)->length + 1) * sizeof(response_t),
&(*rsp)->dma, GFP_KERNEL);
if (!(*rsp)->ring) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x002b,
"Failed to allocate memory for rsp_ring.\n");
goto fail_rsp_ring;
}
(*req)->rsp = *rsp;
(*rsp)->req = *req;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002c,
"req=%p req->length=%d req->ring=%p rsp=%p "
"rsp->length=%d rsp->ring=%p.\n",
*req, (*req)->length, (*req)->ring, *rsp, (*rsp)->length,
(*rsp)->ring);
/* Allocate memory for NVRAM data for vports */
if (ha->nvram_npiv_size) {
ha->npiv_info = kcalloc(ha->nvram_npiv_size,
sizeof(struct qla_npiv_entry),
GFP_KERNEL);
if (!ha->npiv_info) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x002d,
"Failed to allocate memory for npiv_info.\n");
goto fail_npiv_info;
}
} else
ha->npiv_info = NULL;
/* Get consistent memory allocated for EX-INIT-CB. */
if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha)) {
ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
&ha->ex_init_cb_dma);
if (!ha->ex_init_cb)
goto fail_ex_init_cb;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002e,
"ex_init_cb=%p.\n", ha->ex_init_cb);
}
/* Get consistent memory allocated for Special Features-CB. */
if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
&ha->sf_init_cb_dma);
if (!ha->sf_init_cb)
goto fail_sf_init_cb;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
"sf_init_cb=%p.\n", ha->sf_init_cb);
}
INIT_LIST_HEAD(&ha->gbl_dsd_list);
/* Get consistent memory allocated for Async Port-Database. */
if (!IS_FWI2_CAPABLE(ha)) {
ha->async_pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
&ha->async_pd_dma);
if (!ha->async_pd)
goto fail_async_pd;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x002f,
"async_pd=%p.\n", ha->async_pd);
}
INIT_LIST_HEAD(&ha->vp_list);
/* Allocate memory for our loop_id bitmap */
ha->loop_id_map = kcalloc(BITS_TO_LONGS(LOOPID_MAP_SIZE),
sizeof(long),
GFP_KERNEL);
if (!ha->loop_id_map)
goto fail_loop_id_map;
else {
qla2x00_set_reserved_loop_ids(ha);
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0123,
"loop_id_map=%p.\n", ha->loop_id_map);
}
ha->sfp_data = dma_alloc_coherent(&ha->pdev->dev,
SFP_DEV_SIZE, &ha->sfp_data_dma, GFP_KERNEL);
if (!ha->sfp_data) {
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
"Unable to allocate memory for SFP read-data.\n");
goto fail_sfp_data;
}
ha->flt = dma_alloc_coherent(&ha->pdev->dev,
sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE, &ha->flt_dma,
GFP_KERNEL);
if (!ha->flt) {
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
"Unable to allocate memory for FLT.\n");
goto fail_flt_buffer;
}
/* allocate the purex dma pool */
ha->purex_dma_pool = dma_pool_create(name, &ha->pdev->dev,
ELS_MAX_PAYLOAD, 8, 0);
if (!ha->purex_dma_pool) {
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b,
"Unable to allocate purex_dma_pool.\n");
goto fail_flt;
}
ha->elsrej.size = sizeof(struct fc_els_ls_rjt) + 16;
ha->elsrej.c = dma_alloc_coherent(&ha->pdev->dev,
ha->elsrej.size, &ha->elsrej.cdma, GFP_KERNEL);
if (!ha->elsrej.c) {
ql_dbg_pci(ql_dbg_init, ha->pdev, 0xffff,
"Alloc failed for els reject cmd.\n");
goto fail_elsrej;
}
ha->elsrej.c->er_cmd = ELS_LS_RJT;
ha->elsrej.c->er_reason = ELS_RJT_LOGIC;
ha->elsrej.c->er_explan = ELS_EXPL_UNAB_DATA;
return 0;
fail_elsrej:
dma_pool_destroy(ha->purex_dma_pool);
fail_flt:
dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
ha->flt, ha->flt_dma);
fail_flt_buffer:
dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE,
ha->sfp_data, ha->sfp_data_dma);
fail_sfp_data:
kfree(ha->loop_id_map);
fail_loop_id_map:
dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
fail_async_pd:
dma_pool_free(ha->s_dma_pool, ha->sf_init_cb, ha->sf_init_cb_dma);
fail_sf_init_cb:
dma_pool_free(ha->s_dma_pool, ha->ex_init_cb, ha->ex_init_cb_dma);
fail_ex_init_cb:
kfree(ha->npiv_info);
fail_npiv_info:
dma_free_coherent(&ha->pdev->dev, ((*rsp)->length + 1) *
sizeof(response_t), (*rsp)->ring, (*rsp)->dma);
(*rsp)->ring = NULL;
(*rsp)->dma = 0;
fail_rsp_ring:
kfree(*rsp);
*rsp = NULL;
fail_rsp:
dma_free_coherent(&ha->pdev->dev, ((*req)->length + 1) *
sizeof(request_t), (*req)->ring, (*req)->dma);
(*req)->ring = NULL;
(*req)->dma = 0;
fail_req_ring:
kfree(*req);
*req = NULL;
fail_req:
dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
ha->ct_sns, ha->ct_sns_dma);
ha->ct_sns = NULL;
ha->ct_sns_dma = 0;
fail_free_ms_iocb:
dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
ha->ms_iocb = NULL;
ha->ms_iocb_dma = 0;
if (ha->sns_cmd)
dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
ha->sns_cmd, ha->sns_cmd_dma);
fail_dma_pool:
if (ql2xenabledif) {
struct dsd_dma *dsd, *nxt;
list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
list) {
list_del(&dsd->list);
dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
dsd->dsd_list_dma);
ha->dif_bundle_dma_allocs--;
kfree(dsd);
ha->dif_bundle_kallocs--;
ha->pool.unusable.count--;
}
dma_pool_destroy(ha->dif_bundl_pool);
ha->dif_bundl_pool = NULL;
}
fail_dif_bundl_dma_pool:
if (IS_QLA82XX(ha) || ql2xenabledif) {
dma_pool_destroy(ha->fcp_cmnd_dma_pool);
ha->fcp_cmnd_dma_pool = NULL;
}
fail_dl_dma_pool:
if (IS_QLA82XX(ha) || ql2xenabledif) {
dma_pool_destroy(ha->dl_dma_pool);
ha->dl_dma_pool = NULL;
}
fail_s_dma_pool:
dma_pool_destroy(ha->s_dma_pool);
ha->s_dma_pool = NULL;
fail_free_nvram:
kfree(ha->nvram);
ha->nvram = NULL;
fail_free_ctx_mempool:
mempool_destroy(ha->ctx_mempool);
ha->ctx_mempool = NULL;
fail_free_srb_mempool:
mempool_destroy(ha->srb_mempool);
ha->srb_mempool = NULL;
fail_free_gid_list:
dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
ha->gid_list,
ha->gid_list_dma);
ha->gid_list = NULL;
ha->gid_list_dma = 0;
fail_free_tgt_mem:
qlt_mem_free(ha);
fail_free_btree:
btree_destroy32(&ha->host_map);
fail_free_init_cb:
dma_free_coherent(&ha->pdev->dev, ha->init_cb_size, ha->init_cb,
ha->init_cb_dma);
ha->init_cb = NULL;
ha->init_cb_dma = 0;
fail:
ql_log(ql_log_fatal, NULL, 0x0030,
"Memory allocation failure.\n");
return -ENOMEM;
}
int
qla2x00_set_exlogins_buffer(scsi_qla_host_t *vha)
{
int rval;
uint16_t size, max_cnt;
uint32_t temp;
struct qla_hw_data *ha = vha->hw;
/* Return if we don't need to alloacate any extended logins */
if (ql2xexlogins <= MAX_FIBRE_DEVICES_2400)
return QLA_SUCCESS;
if (!IS_EXLOGIN_OFFLD_CAPABLE(ha))
return QLA_SUCCESS;
ql_log(ql_log_info, vha, 0xd021, "EXLOGIN count: %d.\n", ql2xexlogins);
max_cnt = 0;
rval = qla_get_exlogin_status(vha, &size, &max_cnt);
if (rval != QLA_SUCCESS) {
ql_log_pci(ql_log_fatal, ha->pdev, 0xd029,
"Failed to get exlogin status.\n");
return rval;
}
temp = (ql2xexlogins > max_cnt) ? max_cnt : ql2xexlogins;
temp *= size;
if (temp != ha->exlogin_size) {
qla2x00_free_exlogin_buffer(ha);
ha->exlogin_size = temp;
ql_log(ql_log_info, vha, 0xd024,
"EXLOGIN: max_logins=%d, portdb=0x%x, total=%d.\n",
max_cnt, size, temp);
ql_log(ql_log_info, vha, 0xd025,
"EXLOGIN: requested size=0x%x\n", ha->exlogin_size);
/* Get consistent memory for extended logins */
ha->exlogin_buf = dma_alloc_coherent(&ha->pdev->dev,
ha->exlogin_size, &ha->exlogin_buf_dma, GFP_KERNEL);
if (!ha->exlogin_buf) {
ql_log_pci(ql_log_fatal, ha->pdev, 0xd02a,
"Failed to allocate memory for exlogin_buf_dma.\n");
return -ENOMEM;
}
}
/* Now configure the dma buffer */
rval = qla_set_exlogin_mem_cfg(vha, ha->exlogin_buf_dma);
if (rval) {
ql_log(ql_log_fatal, vha, 0xd033,
"Setup extended login buffer ****FAILED****.\n");
qla2x00_free_exlogin_buffer(ha);
}
return rval;
}
/*
* qla2x00_free_exlogin_buffer
*
* Input:
* ha = adapter block pointer
*/
void
qla2x00_free_exlogin_buffer(struct qla_hw_data *ha)
{
if (ha->exlogin_buf) {
dma_free_coherent(&ha->pdev->dev, ha->exlogin_size,
ha->exlogin_buf, ha->exlogin_buf_dma);
ha->exlogin_buf = NULL;
ha->exlogin_size = 0;
}
}
static void
qla2x00_number_of_exch(scsi_qla_host_t *vha, u32 *ret_cnt, u16 max_cnt)
{
u32 temp;
struct init_cb_81xx *icb = (struct init_cb_81xx *)&vha->hw->init_cb;
*ret_cnt = FW_DEF_EXCHANGES_CNT;
if (max_cnt > vha->hw->max_exchg)
max_cnt = vha->hw->max_exchg;
if (qla_ini_mode_enabled(vha)) {
if (vha->ql2xiniexchg > max_cnt)
vha->ql2xiniexchg = max_cnt;
if (vha->ql2xiniexchg > FW_DEF_EXCHANGES_CNT)
*ret_cnt = vha->ql2xiniexchg;
} else if (qla_tgt_mode_enabled(vha)) {
if (vha->ql2xexchoffld > max_cnt) {
vha->ql2xexchoffld = max_cnt;
icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
}
if (vha->ql2xexchoffld > FW_DEF_EXCHANGES_CNT)
*ret_cnt = vha->ql2xexchoffld;
} else if (qla_dual_mode_enabled(vha)) {
temp = vha->ql2xiniexchg + vha->ql2xexchoffld;
if (temp > max_cnt) {
vha->ql2xiniexchg -= (temp - max_cnt)/2;
vha->ql2xexchoffld -= (((temp - max_cnt)/2) + 1);
temp = max_cnt;
icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
}
if (temp > FW_DEF_EXCHANGES_CNT)
*ret_cnt = temp;
}
}
int
qla2x00_set_exchoffld_buffer(scsi_qla_host_t *vha)
{
int rval;
u16 size, max_cnt;
u32 actual_cnt, totsz;
struct qla_hw_data *ha = vha->hw;
if (!ha->flags.exchoffld_enabled)
return QLA_SUCCESS;
if (!IS_EXCHG_OFFLD_CAPABLE(ha))
return QLA_SUCCESS;
max_cnt = 0;
rval = qla_get_exchoffld_status(vha, &size, &max_cnt);
if (rval != QLA_SUCCESS) {
ql_log_pci(ql_log_fatal, ha->pdev, 0xd012,
"Failed to get exlogin status.\n");
return rval;
}
qla2x00_number_of_exch(vha, &actual_cnt, max_cnt);
ql_log(ql_log_info, vha, 0xd014,
"Actual exchange offload count: %d.\n", actual_cnt);
totsz = actual_cnt * size;
if (totsz != ha->exchoffld_size) {
qla2x00_free_exchoffld_buffer(ha);
if (actual_cnt <= FW_DEF_EXCHANGES_CNT) {
ha->exchoffld_size = 0;
ha->flags.exchoffld_enabled = 0;
return QLA_SUCCESS;
}
ha->exchoffld_size = totsz;
ql_log(ql_log_info, vha, 0xd016,
"Exchange offload: max_count=%d, actual count=%d entry sz=0x%x, total sz=0x%x\n",
max_cnt, actual_cnt, size, totsz);
ql_log(ql_log_info, vha, 0xd017,
"Exchange Buffers requested size = 0x%x\n",
ha->exchoffld_size);
/* Get consistent memory for extended logins */
ha->exchoffld_buf = dma_alloc_coherent(&ha->pdev->dev,
ha->exchoffld_size, &ha->exchoffld_buf_dma, GFP_KERNEL);
if (!ha->exchoffld_buf) {
ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
"Failed to allocate memory for Exchange Offload.\n");
if (ha->max_exchg >
(FW_DEF_EXCHANGES_CNT + REDUCE_EXCHANGES_CNT)) {
ha->max_exchg -= REDUCE_EXCHANGES_CNT;
} else if (ha->max_exchg >
(FW_DEF_EXCHANGES_CNT + 512)) {
ha->max_exchg -= 512;
} else {
ha->flags.exchoffld_enabled = 0;
ql_log_pci(ql_log_fatal, ha->pdev, 0xd013,
"Disabling Exchange offload due to lack of memory\n");
}
ha->exchoffld_size = 0;
return -ENOMEM;
}
} else if (!ha->exchoffld_buf || (actual_cnt <= FW_DEF_EXCHANGES_CNT)) {
/* pathological case */
qla2x00_free_exchoffld_buffer(ha);
ha->exchoffld_size = 0;
ha->flags.exchoffld_enabled = 0;
ql_log(ql_log_info, vha, 0xd016,
"Exchange offload not enable: offld size=%d, actual count=%d entry sz=0x%x, total sz=0x%x.\n",
ha->exchoffld_size, actual_cnt, size, totsz);
return 0;
}
/* Now configure the dma buffer */
rval = qla_set_exchoffld_mem_cfg(vha);
if (rval) {
ql_log(ql_log_fatal, vha, 0xd02e,
"Setup exchange offload buffer ****FAILED****.\n");
qla2x00_free_exchoffld_buffer(ha);
} else {
/* re-adjust number of target exchange */
struct init_cb_81xx *icb = (struct init_cb_81xx *)ha->init_cb;
if (qla_ini_mode_enabled(vha))
icb->exchange_count = 0;
else
icb->exchange_count = cpu_to_le16(vha->ql2xexchoffld);
}
return rval;
}
/*
* qla2x00_free_exchoffld_buffer
*
* Input:
* ha = adapter block pointer
*/
void
qla2x00_free_exchoffld_buffer(struct qla_hw_data *ha)
{
if (ha->exchoffld_buf) {
dma_free_coherent(&ha->pdev->dev, ha->exchoffld_size,
ha->exchoffld_buf, ha->exchoffld_buf_dma);
ha->exchoffld_buf = NULL;
ha->exchoffld_size = 0;
}
}
/*
* qla2x00_free_fw_dump
* Frees fw dump stuff.
*
* Input:
* ha = adapter block pointer
*/
static void
qla2x00_free_fw_dump(struct qla_hw_data *ha)
{
struct fwdt *fwdt = ha->fwdt;
uint j;
if (ha->fce)
dma_free_coherent(&ha->pdev->dev,
FCE_SIZE, ha->fce, ha->fce_dma);
if (ha->eft)
dma_free_coherent(&ha->pdev->dev,
EFT_SIZE, ha->eft, ha->eft_dma);
vfree(ha->fw_dump);
ha->fce = NULL;
ha->fce_dma = 0;
ha->flags.fce_enabled = 0;
ha->eft = NULL;
ha->eft_dma = 0;
ha->fw_dumped = false;
ha->fw_dump_cap_flags = 0;
ha->fw_dump_reading = 0;
ha->fw_dump = NULL;
ha->fw_dump_len = 0;
for (j = 0; j < 2; j++, fwdt++) {
vfree(fwdt->template);
fwdt->template = NULL;
fwdt->length = 0;
}
}
/*
* qla2x00_mem_free
* Frees all adapter allocated memory.
*
* Input:
* ha = adapter block pointer.
*/
static void
qla2x00_mem_free(struct qla_hw_data *ha)
{
qla2x00_free_fw_dump(ha);
if (ha->mctp_dump)
dma_free_coherent(&ha->pdev->dev, MCTP_DUMP_SIZE, ha->mctp_dump,
ha->mctp_dump_dma);
ha->mctp_dump = NULL;
mempool_destroy(ha->srb_mempool);
ha->srb_mempool = NULL;
if (ha->dcbx_tlv)
dma_free_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
ha->dcbx_tlv, ha->dcbx_tlv_dma);
ha->dcbx_tlv = NULL;
if (ha->xgmac_data)
dma_free_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
ha->xgmac_data, ha->xgmac_data_dma);
ha->xgmac_data = NULL;
if (ha->sns_cmd)
dma_free_coherent(&ha->pdev->dev, sizeof(struct sns_cmd_pkt),
ha->sns_cmd, ha->sns_cmd_dma);
ha->sns_cmd = NULL;
ha->sns_cmd_dma = 0;
if (ha->ct_sns)
dma_free_coherent(&ha->pdev->dev, sizeof(struct ct_sns_pkt),
ha->ct_sns, ha->ct_sns_dma);
ha->ct_sns = NULL;
ha->ct_sns_dma = 0;
if (ha->sfp_data)
dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->sfp_data,
ha->sfp_data_dma);
ha->sfp_data = NULL;
if (ha->flt)
dma_free_coherent(&ha->pdev->dev,
sizeof(struct qla_flt_header) + FLT_REGIONS_SIZE,
ha->flt, ha->flt_dma);
ha->flt = NULL;
ha->flt_dma = 0;
if (ha->ms_iocb)
dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma);
ha->ms_iocb = NULL;
ha->ms_iocb_dma = 0;
if (ha->sf_init_cb)
dma_pool_free(ha->s_dma_pool,
ha->sf_init_cb, ha->sf_init_cb_dma);
if (ha->ex_init_cb)
dma_pool_free(ha->s_dma_pool,
ha->ex_init_cb, ha->ex_init_cb_dma);
ha->ex_init_cb = NULL;
ha->ex_init_cb_dma = 0;
if (ha->async_pd)
dma_pool_free(ha->s_dma_pool, ha->async_pd, ha->async_pd_dma);
ha->async_pd = NULL;
ha->async_pd_dma = 0;
dma_pool_destroy(ha->s_dma_pool);
ha->s_dma_pool = NULL;
if (ha->gid_list)
dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
ha->gid_list, ha->gid_list_dma);
ha->gid_list = NULL;
ha->gid_list_dma = 0;
if (IS_QLA82XX(ha)) {
if (!list_empty(&ha->gbl_dsd_list)) {
struct dsd_dma *dsd_ptr, *tdsd_ptr;
/* clean up allocated prev pool */
list_for_each_entry_safe(dsd_ptr,
tdsd_ptr, &ha->gbl_dsd_list, list) {
dma_pool_free(ha->dl_dma_pool,
dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma);
list_del(&dsd_ptr->list);
kfree(dsd_ptr);
}
}
}
dma_pool_destroy(ha->dl_dma_pool);
ha->dl_dma_pool = NULL;
dma_pool_destroy(ha->fcp_cmnd_dma_pool);
ha->fcp_cmnd_dma_pool = NULL;
mempool_destroy(ha->ctx_mempool);
ha->ctx_mempool = NULL;
if (ql2xenabledif && ha->dif_bundl_pool) {
struct dsd_dma *dsd, *nxt;
list_for_each_entry_safe(dsd, nxt, &ha->pool.unusable.head,
list) {
list_del(&dsd->list);
dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
dsd->dsd_list_dma);
ha->dif_bundle_dma_allocs--;
kfree(dsd);
ha->dif_bundle_kallocs--;
ha->pool.unusable.count--;
}
list_for_each_entry_safe(dsd, nxt, &ha->pool.good.head, list) {
list_del(&dsd->list);
dma_pool_free(ha->dif_bundl_pool, dsd->dsd_addr,
dsd->dsd_list_dma);
ha->dif_bundle_dma_allocs--;
kfree(dsd);
ha->dif_bundle_kallocs--;
}
}
dma_pool_destroy(ha->dif_bundl_pool);
ha->dif_bundl_pool = NULL;
qlt_mem_free(ha);
qla_remove_hostmap(ha);
if (ha->init_cb)
dma_free_coherent(&ha->pdev->dev, ha->init_cb_size,
ha->init_cb, ha->init_cb_dma);
dma_pool_destroy(ha->purex_dma_pool);
ha->purex_dma_pool = NULL;
if (ha->elsrej.c) {
dma_free_coherent(&ha->pdev->dev, ha->elsrej.size,
ha->elsrej.c, ha->elsrej.cdma);
ha->elsrej.c = NULL;
}
ha->init_cb = NULL;
ha->init_cb_dma = 0;
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
kfree(ha->nvram);
ha->nvram = NULL;
kfree(ha->npiv_info);
ha->npiv_info = NULL;
kfree(ha->swl);
ha->swl = NULL;
kfree(ha->loop_id_map);
ha->sf_init_cb = NULL;
ha->sf_init_cb_dma = 0;
ha->loop_id_map = NULL;
}
struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht,
struct qla_hw_data *ha)
{
struct Scsi_Host *host;
struct scsi_qla_host *vha = NULL;
host = scsi_host_alloc(sht, sizeof(scsi_qla_host_t));
if (!host) {
ql_log_pci(ql_log_fatal, ha->pdev, 0x0107,
"Failed to allocate host from the scsi layer, aborting.\n");
return NULL;
}
/* Clear our data area */
vha = shost_priv(host);
memset(vha, 0, sizeof(scsi_qla_host_t));
vha->host = host;
vha->host_no = host->host_no;
vha->hw = ha;
vha->qlini_mode = ql2x_ini_mode;
vha->ql2xexchoffld = ql2xexchoffld;
vha->ql2xiniexchg = ql2xiniexchg;
INIT_LIST_HEAD(&vha->vp_fcports);
INIT_LIST_HEAD(&vha->work_list);
INIT_LIST_HEAD(&vha->list);
INIT_LIST_HEAD(&vha->qla_cmd_list);
INIT_LIST_HEAD(&vha->logo_list);
INIT_LIST_HEAD(&vha->plogi_ack_list);
INIT_LIST_HEAD(&vha->qp_list);
INIT_LIST_HEAD(&vha->gnl.fcports);
INIT_LIST_HEAD(&vha->gpnid_list);
INIT_WORK(&vha->iocb_work, qla2x00_iocb_work_fn);
INIT_LIST_HEAD(&vha->purex_list.head);
spin_lock_init(&vha->purex_list.lock);
spin_lock_init(&vha->work_lock);
spin_lock_init(&vha->cmd_list_lock);
init_waitqueue_head(&vha->fcport_waitQ);
init_waitqueue_head(&vha->vref_waitq);
qla_enode_init(vha);
qla_edb_init(vha);
vha->gnl.size = sizeof(struct get_name_list_extended) *
(ha->max_loop_id + 1);
vha->gnl.l = dma_alloc_coherent(&ha->pdev->dev,
vha->gnl.size, &vha->gnl.ldma, GFP_KERNEL);
if (!vha->gnl.l) {
ql_log(ql_log_fatal, vha, 0xd04a,
"Alloc failed for name list.\n");
scsi_host_put(vha->host);
return NULL;
}
/* todo: what about ext login? */
vha->scan.size = ha->max_fibre_devices * sizeof(struct fab_scan_rp);
vha->scan.l = vmalloc(vha->scan.size);
if (!vha->scan.l) {
ql_log(ql_log_fatal, vha, 0xd04a,
"Alloc failed for scan database.\n");
dma_free_coherent(&ha->pdev->dev, vha->gnl.size,
vha->gnl.l, vha->gnl.ldma);
vha->gnl.l = NULL;
scsi_host_put(vha->host);
return NULL;
}
INIT_DELAYED_WORK(&vha->scan.scan_work, qla_scan_work_fn);
snprintf(vha->host_str, sizeof(vha->host_str), "%s_%lu",
QLA2XXX_DRIVER_NAME, vha->host_no);
ql_dbg(ql_dbg_init, vha, 0x0041,
"Allocated the host=%p hw=%p vha=%p dev_name=%s",
vha->host, vha->hw, vha,
dev_name(&(ha->pdev->dev)));
return vha;
}
struct qla_work_evt *
qla2x00_alloc_work(struct scsi_qla_host *vha, enum qla_work_type type)
{
struct qla_work_evt *e;
if (test_bit(UNLOADING, &vha->dpc_flags))
return NULL;
if (qla_vha_mark_busy(vha))
return NULL;
e = kzalloc(sizeof(struct qla_work_evt), GFP_ATOMIC);
if (!e) {
QLA_VHA_MARK_NOT_BUSY(vha);
return NULL;
}
INIT_LIST_HEAD(&e->list);
e->type = type;
e->flags = QLA_EVT_FLAG_FREE;
return e;
}
int
qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
unsigned long flags;
bool q = false;
spin_lock_irqsave(&vha->work_lock, flags);
list_add_tail(&e->list, &vha->work_list);
if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
q = true;
spin_unlock_irqrestore(&vha->work_lock, flags);
if (q)
queue_work(vha->hw->wq, &vha->iocb_work);
return QLA_SUCCESS;
}
int
qla2x00_post_aen_work(struct scsi_qla_host *vha, enum fc_host_event_code code,
u32 data)
{
struct qla_work_evt *e;
e = qla2x00_alloc_work(vha, QLA_EVT_AEN);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.aen.code = code;
e->u.aen.data = data;
return qla2x00_post_work(vha, e);
}
int
qla2x00_post_idc_ack_work(struct scsi_qla_host *vha, uint16_t *mb)
{
struct qla_work_evt *e;
e = qla2x00_alloc_work(vha, QLA_EVT_IDC_ACK);
if (!e)
return QLA_FUNCTION_FAILED;
memcpy(e->u.idc_ack.mb, mb, QLA_IDC_ACK_REGS * sizeof(uint16_t));
return qla2x00_post_work(vha, e);
}
#define qla2x00_post_async_work(name, type) \
int qla2x00_post_async_##name##_work( \
struct scsi_qla_host *vha, \
fc_port_t *fcport, uint16_t *data) \
{ \
struct qla_work_evt *e; \
\
e = qla2x00_alloc_work(vha, type); \
if (!e) \
return QLA_FUNCTION_FAILED; \
\
e->u.logio.fcport = fcport; \
if (data) { \
e->u.logio.data[0] = data[0]; \
e->u.logio.data[1] = data[1]; \
} \
fcport->flags |= FCF_ASYNC_ACTIVE; \
return qla2x00_post_work(vha, e); \
}
qla2x00_post_async_work(login, QLA_EVT_ASYNC_LOGIN);
qla2x00_post_async_work(logout, QLA_EVT_ASYNC_LOGOUT);
qla2x00_post_async_work(adisc, QLA_EVT_ASYNC_ADISC);
qla2x00_post_async_work(prlo, QLA_EVT_ASYNC_PRLO);
qla2x00_post_async_work(prlo_done, QLA_EVT_ASYNC_PRLO_DONE);
int
qla2x00_post_uevent_work(struct scsi_qla_host *vha, u32 code)
{
struct qla_work_evt *e;
e = qla2x00_alloc_work(vha, QLA_EVT_UEVENT);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.uevent.code = code;
return qla2x00_post_work(vha, e);
}
static void
qla2x00_uevent_emit(struct scsi_qla_host *vha, u32 code)
{
char event_string[40];
char *envp[] = { event_string, NULL };
switch (code) {
case QLA_UEVENT_CODE_FW_DUMP:
snprintf(event_string, sizeof(event_string), "FW_DUMP=%lu",
vha->host_no);
break;
default:
/* do nothing */
break;
}
kobject_uevent_env(&vha->hw->pdev->dev.kobj, KOBJ_CHANGE, envp);
}
int
qlafx00_post_aenfx_work(struct scsi_qla_host *vha, uint32_t evtcode,
uint32_t *data, int cnt)
{
struct qla_work_evt *e;
e = qla2x00_alloc_work(vha, QLA_EVT_AENFX);
if (!e)
return QLA_FUNCTION_FAILED;
e->u.aenfx.evtcode = evtcode;
e->u.aenfx.count = cnt;
memcpy(e->u.aenfx.mbx, data, sizeof(*data) * cnt);
return qla2x00_post_work(vha, e);
}
void qla24xx_sched_upd_fcport(fc_port_t *fcport)
{
unsigned long flags;
if (IS_SW_RESV_ADDR(fcport->d_id))
return;
spin_lock_irqsave(&fcport->vha->work_lock, flags);
if (fcport->disc_state == DSC_UPD_FCPORT) {
spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
return;
}
fcport->jiffies_at_registration = jiffies;
fcport->sec_since_registration = 0;
fcport->next_disc_state = DSC_DELETED;
qla2x00_set_fcport_disc_state(fcport, DSC_UPD_FCPORT);
spin_unlock_irqrestore(&fcport->vha->work_lock, flags);
queue_work(system_unbound_wq, &fcport->reg_work);
}
static
void qla24xx_create_new_sess(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
unsigned long flags;
fc_port_t *fcport = NULL, *tfcp;
struct qlt_plogi_ack_t *pla =
(struct qlt_plogi_ack_t *)e->u.new_sess.pla;
uint8_t free_fcport = 0;
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %d %8phC enter\n",
__func__, __LINE__, e->u.new_sess.port_name);
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
fcport = qla2x00_find_fcport_by_wwpn(vha, e->u.new_sess.port_name, 1);
if (fcport) {
fcport->d_id = e->u.new_sess.id;
if (pla) {
fcport->fw_login_state = DSC_LS_PLOGI_PEND;
memcpy(fcport->node_name,
pla->iocb.u.isp24.u.plogi.node_name,
WWN_SIZE);
qlt_plogi_ack_link(vha, pla, fcport, QLT_PLOGI_LINK_SAME_WWN);
/* we took an extra ref_count to prevent PLOGI ACK when
* fcport/sess has not been created.
*/
pla->ref_count--;
}
} else {
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (fcport) {
fcport->d_id = e->u.new_sess.id;
fcport->flags |= FCF_FABRIC_DEVICE;
fcport->fw_login_state = DSC_LS_PLOGI_PEND;
fcport->tgt_short_link_down_cnt = 0;
memcpy(fcport->port_name, e->u.new_sess.port_name,
WWN_SIZE);
fcport->fc4_type = e->u.new_sess.fc4_type;
if (NVME_PRIORITY(vha->hw, fcport))
fcport->do_prli_nvme = 1;
else
fcport->do_prli_nvme = 0;
if (e->u.new_sess.fc4_type & FS_FCP_IS_N2N) {
fcport->dm_login_expire = jiffies +
QLA_N2N_WAIT_TIME * HZ;
fcport->fc4_type = FS_FC4TYPE_FCP;
fcport->n2n_flag = 1;
if (vha->flags.nvme_enabled)
fcport->fc4_type |= FS_FC4TYPE_NVME;
}
} else {
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %8phC mem alloc fail.\n",
__func__, e->u.new_sess.port_name);
if (pla) {
list_del(&pla->list);
kmem_cache_free(qla_tgt_plogi_cachep, pla);
}
return;
}
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
/* search again to make sure no one else got ahead */
tfcp = qla2x00_find_fcport_by_wwpn(vha,
e->u.new_sess.port_name, 1);
if (tfcp) {
/* should rarily happen */
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %8phC found existing fcport b4 add. DS %d LS %d\n",
__func__, tfcp->port_name, tfcp->disc_state,
tfcp->fw_login_state);
free_fcport = 1;
} else {
list_add_tail(&fcport->list, &vha->vp_fcports);
}
if (pla) {
qlt_plogi_ack_link(vha, pla, fcport,
QLT_PLOGI_LINK_SAME_WWN);
pla->ref_count--;
}
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
if (fcport) {
fcport->id_changed = 1;
fcport->scan_state = QLA_FCPORT_FOUND;
fcport->chip_reset = vha->hw->base_qpair->chip_reset;
memcpy(fcport->node_name, e->u.new_sess.node_name, WWN_SIZE);
if (pla) {
if (pla->iocb.u.isp24.status_subcode == ELS_PRLI) {
u16 wd3_lo;
fcport->fw_login_state = DSC_LS_PRLI_PEND;
fcport->local = 0;
fcport->loop_id =
le16_to_cpu(
pla->iocb.u.isp24.nport_handle);
fcport->fw_login_state = DSC_LS_PRLI_PEND;
wd3_lo =
le16_to_cpu(
pla->iocb.u.isp24.u.prli.wd3_lo);
if (wd3_lo & BIT_7)
fcport->conf_compl_supported = 1;
if ((wd3_lo & BIT_4) == 0)
fcport->port_type = FCT_INITIATOR;
else
fcport->port_type = FCT_TARGET;
}
qlt_plogi_ack_unref(vha, pla);
} else {
fc_port_t *dfcp = NULL;
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
tfcp = qla2x00_find_fcport_by_nportid(vha,
&e->u.new_sess.id, 1);
if (tfcp && (tfcp != fcport)) {
/*
* We have a conflict fcport with same NportID.
*/
ql_dbg(ql_dbg_disc, vha, 0xffff,
"%s %8phC found conflict b4 add. DS %d LS %d\n",
__func__, tfcp->port_name, tfcp->disc_state,
tfcp->fw_login_state);
switch (tfcp->disc_state) {
case DSC_DELETED:
break;
case DSC_DELETE_PEND:
fcport->login_pause = 1;
tfcp->conflict = fcport;
break;
default:
fcport->login_pause = 1;
tfcp->conflict = fcport;
dfcp = tfcp;
break;
}
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
if (dfcp)
qlt_schedule_sess_for_deletion(tfcp);
if (N2N_TOPO(vha->hw)) {
fcport->flags &= ~FCF_FABRIC_DEVICE;
fcport->keep_nport_handle = 1;
if (vha->flags.nvme_enabled) {
fcport->fc4_type =
(FS_FC4TYPE_NVME | FS_FC4TYPE_FCP);
fcport->n2n_flag = 1;
}
fcport->fw_login_state = 0;
schedule_delayed_work(&vha->scan.scan_work, 5);
} else {
qla24xx_fcport_handle_login(vha, fcport);
}
}
}
if (free_fcport) {
qla2x00_free_fcport(fcport);
if (pla) {
list_del(&pla->list);
kmem_cache_free(qla_tgt_plogi_cachep, pla);
}
}
}
static void qla_sp_retry(struct scsi_qla_host *vha, struct qla_work_evt *e)
{
struct srb *sp = e->u.iosb.sp;
int rval;
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
ql_dbg(ql_dbg_disc, vha, 0x2043,
"%s: %s: Re-issue IOCB failed (%d).\n",
__func__, sp->name, rval);
qla24xx_sp_unmap(vha, sp);
}
}
void
qla2x00_do_work(struct scsi_qla_host *vha)
{
struct qla_work_evt *e, *tmp;
unsigned long flags;
LIST_HEAD(work);
int rc;
spin_lock_irqsave(&vha->work_lock, flags);
list_splice_init(&vha->work_list, &work);
spin_unlock_irqrestore(&vha->work_lock, flags);
list_for_each_entry_safe(e, tmp, &work, list) {
rc = QLA_SUCCESS;
switch (e->type) {
case QLA_EVT_AEN:
fc_host_post_event(vha->host, fc_get_event_number(),
e->u.aen.code, e->u.aen.data);
break;
case QLA_EVT_IDC_ACK:
qla81xx_idc_ack(vha, e->u.idc_ack.mb);
break;
case QLA_EVT_ASYNC_LOGIN:
qla2x00_async_login(vha, e->u.logio.fcport,
e->u.logio.data);
break;
case QLA_EVT_ASYNC_LOGOUT:
rc = qla2x00_async_logout(vha, e->u.logio.fcport);
break;
case QLA_EVT_ASYNC_ADISC:
qla2x00_async_adisc(vha, e->u.logio.fcport,
e->u.logio.data);
break;
case QLA_EVT_UEVENT:
qla2x00_uevent_emit(vha, e->u.uevent.code);
break;
case QLA_EVT_AENFX:
qlafx00_process_aen(vha, e);
break;
case QLA_EVT_GPNID:
qla24xx_async_gpnid(vha, &e->u.gpnid.id);
break;
case QLA_EVT_UNMAP:
qla24xx_sp_unmap(vha, e->u.iosb.sp);
break;
case QLA_EVT_RELOGIN:
qla2x00_relogin(vha);
break;
case QLA_EVT_NEW_SESS:
qla24xx_create_new_sess(vha, e);
break;
case QLA_EVT_GPDB:
qla24xx_async_gpdb(vha, e->u.fcport.fcport,
e->u.fcport.opt);
break;
case QLA_EVT_PRLI:
qla24xx_async_prli(vha, e->u.fcport.fcport);
break;
case QLA_EVT_GPSC:
qla24xx_async_gpsc(vha, e->u.fcport.fcport);
break;
case QLA_EVT_GNL:
qla24xx_async_gnl(vha, e->u.fcport.fcport);
break;
case QLA_EVT_NACK:
qla24xx_do_nack_work(vha, e);
break;
case QLA_EVT_ASYNC_PRLO:
rc = qla2x00_async_prlo(vha, e->u.logio.fcport);
break;
case QLA_EVT_ASYNC_PRLO_DONE:
qla2x00_async_prlo_done(vha, e->u.logio.fcport,
e->u.logio.data);
break;
case QLA_EVT_GPNFT:
qla24xx_async_gpnft(vha, e->u.gpnft.fc4_type,
e->u.gpnft.sp);
break;
case QLA_EVT_GPNFT_DONE:
qla24xx_async_gpnft_done(vha, e->u.iosb.sp);
break;
case QLA_EVT_GNNFT_DONE:
qla24xx_async_gnnft_done(vha, e->u.iosb.sp);
break;
case QLA_EVT_GNNID:
qla24xx_async_gnnid(vha, e->u.fcport.fcport);
break;
case QLA_EVT_GFPNID:
qla24xx_async_gfpnid(vha, e->u.fcport.fcport);
break;
case QLA_EVT_SP_RETRY:
qla_sp_retry(vha, e);
break;
case QLA_EVT_IIDMA:
qla_do_iidma_work(vha, e->u.fcport.fcport);
break;
case QLA_EVT_ELS_PLOGI:
qla24xx_els_dcmd2_iocb(vha, ELS_DCMD_PLOGI,
e->u.fcport.fcport, false);
break;
case QLA_EVT_SA_REPLACE:
rc = qla24xx_issue_sa_replace_iocb(vha, e);
break;
}
if (rc == EAGAIN) {
/* put 'work' at head of 'vha->work_list' */
spin_lock_irqsave(&vha->work_lock, flags);
list_splice(&work, &vha->work_list);
spin_unlock_irqrestore(&vha->work_lock, flags);
break;
}
list_del_init(&e->list);
if (e->flags & QLA_EVT_FLAG_FREE)
kfree(e);
/* For each work completed decrement vha ref count */
QLA_VHA_MARK_NOT_BUSY(vha);
}
}
int qla24xx_post_relogin_work(struct scsi_qla_host *vha)
{
struct qla_work_evt *e;
e = qla2x00_alloc_work(vha, QLA_EVT_RELOGIN);
if (!e) {
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
return QLA_FUNCTION_FAILED;
}
return qla2x00_post_work(vha, e);
}
/* Relogins all the fcports of a vport
* Context: dpc thread
*/
void qla2x00_relogin(struct scsi_qla_host *vha)
{
fc_port_t *fcport;
int status, relogin_needed = 0;
struct event_arg ea;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
/*
* If the port is not ONLINE then try to login
* to it if we haven't run out of retries.
*/
if (atomic_read(&fcport->state) != FCS_ONLINE &&
fcport->login_retry) {
if (fcport->scan_state != QLA_FCPORT_FOUND ||
fcport->disc_state == DSC_LOGIN_AUTH_PEND ||
fcport->disc_state == DSC_LOGIN_COMPLETE)
continue;
if (fcport->flags & (FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE) ||
fcport->disc_state == DSC_DELETE_PEND) {
relogin_needed = 1;
} else {
if (vha->hw->current_topology != ISP_CFG_NL) {
memset(&ea, 0, sizeof(ea));
ea.fcport = fcport;
qla24xx_handle_relogin_event(vha, &ea);
} else if (vha->hw->current_topology ==
ISP_CFG_NL &&
IS_QLA2XXX_MIDTYPE(vha->hw)) {
(void)qla24xx_fcport_handle_login(vha,
fcport);
} else if (vha->hw->current_topology ==
ISP_CFG_NL) {
fcport->login_retry--;
status =
qla2x00_local_device_login(vha,
fcport);
if (status == QLA_SUCCESS) {
fcport->old_loop_id =
fcport->loop_id;
ql_dbg(ql_dbg_disc, vha, 0x2003,
"Port login OK: logged in ID 0x%x.\n",
fcport->loop_id);
qla2x00_update_fcport
(vha, fcport);
} else if (status == 1) {
set_bit(RELOGIN_NEEDED,
&vha->dpc_flags);
/* retry the login again */
ql_dbg(ql_dbg_disc, vha, 0x2007,
"Retrying %d login again loop_id 0x%x.\n",
fcport->login_retry,
fcport->loop_id);
} else {
fcport->login_retry = 0;
}
if (fcport->login_retry == 0 &&
status != QLA_SUCCESS)
qla2x00_clear_loop_id(fcport);
}
}
}
if (test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags))
break;
}
if (relogin_needed)
set_bit(RELOGIN_NEEDED, &vha->dpc_flags);
ql_dbg(ql_dbg_disc, vha, 0x400e,
"Relogin end.\n");
}
/* Schedule work on any of the dpc-workqueues */
void
qla83xx_schedule_work(scsi_qla_host_t *base_vha, int work_code)
{
struct qla_hw_data *ha = base_vha->hw;
switch (work_code) {
case MBA_IDC_AEN: /* 0x8200 */
if (ha->dpc_lp_wq)
queue_work(ha->dpc_lp_wq, &ha->idc_aen);
break;
case QLA83XX_NIC_CORE_RESET: /* 0x1 */
if (!ha->flags.nic_core_reset_hdlr_active) {
if (ha->dpc_hp_wq)
queue_work(ha->dpc_hp_wq, &ha->nic_core_reset);
} else
ql_dbg(ql_dbg_p3p, base_vha, 0xb05e,
"NIC Core reset is already active. Skip "
"scheduling it again.\n");
break;
case QLA83XX_IDC_STATE_HANDLER: /* 0x2 */
if (ha->dpc_hp_wq)
queue_work(ha->dpc_hp_wq, &ha->idc_state_handler);
break;
case QLA83XX_NIC_CORE_UNRECOVERABLE: /* 0x3 */
if (ha->dpc_hp_wq)
queue_work(ha->dpc_hp_wq, &ha->nic_core_unrecoverable);
break;
default:
ql_log(ql_log_warn, base_vha, 0xb05f,
"Unknown work-code=0x%x.\n", work_code);
}
return;
}
/* Work: Perform NIC Core Unrecoverable state handling */
void
qla83xx_nic_core_unrecoverable_work(struct work_struct *work)
{
struct qla_hw_data *ha =
container_of(work, struct qla_hw_data, nic_core_unrecoverable);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
uint32_t dev_state = 0;
qla83xx_idc_lock(base_vha, 0);
qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
qla83xx_reset_ownership(base_vha);
if (ha->flags.nic_core_reset_owner) {
ha->flags.nic_core_reset_owner = 0;
qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
QLA8XXX_DEV_FAILED);
ql_log(ql_log_info, base_vha, 0xb060, "HW State: FAILED.\n");
qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
}
qla83xx_idc_unlock(base_vha, 0);
}
/* Work: Execute IDC state handler */
void
qla83xx_idc_state_handler_work(struct work_struct *work)
{
struct qla_hw_data *ha =
container_of(work, struct qla_hw_data, idc_state_handler);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
uint32_t dev_state = 0;
qla83xx_idc_lock(base_vha, 0);
qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
if (dev_state == QLA8XXX_DEV_FAILED ||
dev_state == QLA8XXX_DEV_NEED_QUIESCENT)
qla83xx_idc_state_handler(base_vha);
qla83xx_idc_unlock(base_vha, 0);
}
static int
qla83xx_check_nic_core_fw_alive(scsi_qla_host_t *base_vha)
{
int rval = QLA_SUCCESS;
unsigned long heart_beat_wait = jiffies + (1 * HZ);
uint32_t heart_beat_counter1, heart_beat_counter2;
do {
if (time_after(jiffies, heart_beat_wait)) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb07c,
"Nic Core f/w is not alive.\n");
rval = QLA_FUNCTION_FAILED;
break;
}
qla83xx_idc_lock(base_vha, 0);
qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
&heart_beat_counter1);
qla83xx_idc_unlock(base_vha, 0);
msleep(100);
qla83xx_idc_lock(base_vha, 0);
qla83xx_rd_reg(base_vha, QLA83XX_FW_HEARTBEAT,
&heart_beat_counter2);
qla83xx_idc_unlock(base_vha, 0);
} while (heart_beat_counter1 == heart_beat_counter2);
return rval;
}
/* Work: Perform NIC Core Reset handling */
void
qla83xx_nic_core_reset_work(struct work_struct *work)
{
struct qla_hw_data *ha =
container_of(work, struct qla_hw_data, nic_core_reset);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
uint32_t dev_state = 0;
if (IS_QLA2031(ha)) {
if (qla2xxx_mctp_dump(base_vha) != QLA_SUCCESS)
ql_log(ql_log_warn, base_vha, 0xb081,
"Failed to dump mctp\n");
return;
}
if (!ha->flags.nic_core_reset_hdlr_active) {
if (qla83xx_check_nic_core_fw_alive(base_vha) == QLA_SUCCESS) {
qla83xx_idc_lock(base_vha, 0);
qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE,
&dev_state);
qla83xx_idc_unlock(base_vha, 0);
if (dev_state != QLA8XXX_DEV_NEED_RESET) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb07a,
"Nic Core f/w is alive.\n");
return;
}
}
ha->flags.nic_core_reset_hdlr_active = 1;
if (qla83xx_nic_core_reset(base_vha)) {
/* NIC Core reset failed. */
ql_dbg(ql_dbg_p3p, base_vha, 0xb061,
"NIC Core reset failed.\n");
}
ha->flags.nic_core_reset_hdlr_active = 0;
}
}
/* Work: Handle 8200 IDC aens */
void
qla83xx_service_idc_aen(struct work_struct *work)
{
struct qla_hw_data *ha =
container_of(work, struct qla_hw_data, idc_aen);
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
uint32_t dev_state, idc_control;
qla83xx_idc_lock(base_vha, 0);
qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
qla83xx_rd_reg(base_vha, QLA83XX_IDC_CONTROL, &idc_control);
qla83xx_idc_unlock(base_vha, 0);
if (dev_state == QLA8XXX_DEV_NEED_RESET) {
if (idc_control & QLA83XX_IDC_GRACEFUL_RESET) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb062,
"Application requested NIC Core Reset.\n");
qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
} else if (qla83xx_check_nic_core_fw_alive(base_vha) ==
QLA_SUCCESS) {
ql_dbg(ql_dbg_p3p, base_vha, 0xb07b,
"Other protocol driver requested NIC Core Reset.\n");
qla83xx_schedule_work(base_vha, QLA83XX_NIC_CORE_RESET);
}
} else if (dev_state == QLA8XXX_DEV_FAILED ||
dev_state == QLA8XXX_DEV_NEED_QUIESCENT) {
qla83xx_schedule_work(base_vha, QLA83XX_IDC_STATE_HANDLER);
}
}
/*
* Control the frequency of IDC lock retries
*/
#define QLA83XX_WAIT_LOGIC_MS 100
static int
qla83xx_force_lock_recovery(scsi_qla_host_t *base_vha)
{
int rval;
uint32_t data;
uint32_t idc_lck_rcvry_stage_mask = 0x3;
uint32_t idc_lck_rcvry_owner_mask = 0x3c;
struct qla_hw_data *ha = base_vha->hw;
ql_dbg(ql_dbg_p3p, base_vha, 0xb086,
"Trying force recovery of the IDC lock.\n");
rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY, &data);
if (rval)
return rval;
if ((data & idc_lck_rcvry_stage_mask) > 0) {
return QLA_SUCCESS;
} else {
data = (IDC_LOCK_RECOVERY_STAGE1) | (ha->portnum << 2);
rval = qla83xx_wr_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
data);
if (rval)
return rval;
msleep(200);
rval = qla83xx_rd_reg(base_vha, QLA83XX_IDC_LOCK_RECOVERY,
&data);
if (rval)
return rval;
if (((data & idc_lck_rcvry_owner_mask) >> 2) == ha->portnum) {
data &= (IDC_LOCK_RECOVERY_STAGE2 |
~(idc_lck_rcvry_stage_mask));
rval = qla83xx_wr_reg(base_vha,
QLA83XX_IDC_LOCK_RECOVERY, data);
if (rval)
return rval;
/* Forcefully perform IDC UnLock */
rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK,
&data);
if (rval)
return rval;
/* Clear lock-id by setting 0xff */
rval = qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
0xff);
if (rval)
return rval;
/* Clear lock-recovery by setting 0x0 */
rval = qla83xx_wr_reg(base_vha,
QLA83XX_IDC_LOCK_RECOVERY, 0x0);
if (rval)
return rval;
} else
return QLA_SUCCESS;
}
return rval;
}
static int
qla83xx_idc_lock_recovery(scsi_qla_host_t *base_vha)
{
int rval = QLA_SUCCESS;
uint32_t o_drv_lockid, n_drv_lockid;
unsigned long lock_recovery_timeout;
lock_recovery_timeout = jiffies + QLA83XX_MAX_LOCK_RECOVERY_WAIT;
retry_lockid:
rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &o_drv_lockid);
if (rval)
goto exit;
/* MAX wait time before forcing IDC Lock recovery = 2 secs */
if (time_after_eq(jiffies, lock_recovery_timeout)) {
if (qla83xx_force_lock_recovery(base_vha) == QLA_SUCCESS)
return QLA_SUCCESS;
else
return QLA_FUNCTION_FAILED;
}
rval = qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &n_drv_lockid);
if (rval)
goto exit;
if (o_drv_lockid == n_drv_lockid) {
msleep(QLA83XX_WAIT_LOGIC_MS);
goto retry_lockid;
} else
return QLA_SUCCESS;
exit:
return rval;
}
/*
* Context: task, can sleep
*/
void
qla83xx_idc_lock(scsi_qla_host_t *base_vha, uint16_t requester_id)
{
uint32_t data;
uint32_t lock_owner;
struct qla_hw_data *ha = base_vha->hw;
might_sleep();
/* IDC-lock implementation using driver-lock/lock-id remote registers */
retry_lock:
if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCK, &data)
== QLA_SUCCESS) {
if (data) {
/* Setting lock-id to our function-number */
qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID,
ha->portnum);
} else {
qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID,
&lock_owner);
ql_dbg(ql_dbg_p3p, base_vha, 0xb063,
"Failed to acquire IDC lock, acquired by %d, "
"retrying...\n", lock_owner);
/* Retry/Perform IDC-Lock recovery */
if (qla83xx_idc_lock_recovery(base_vha)
== QLA_SUCCESS) {
msleep(QLA83XX_WAIT_LOGIC_MS);
goto retry_lock;
} else
ql_log(ql_log_warn, base_vha, 0xb075,
"IDC Lock recovery FAILED.\n");
}
}
return;
}
static bool
qla25xx_rdp_rsp_reduce_size(struct scsi_qla_host *vha,
struct purex_entry_24xx *purex)
{
char fwstr[16];
u32 sid = purex->s_id[2] << 16 | purex->s_id[1] << 8 | purex->s_id[0];
struct port_database_24xx *pdb;
/* Domain Controller is always logged-out. */
/* if RDP request is not from Domain Controller: */
if (sid != 0xfffc01)
return false;
ql_dbg(ql_dbg_init, vha, 0x0181, "%s: s_id=%#x\n", __func__, sid);
pdb = kzalloc(sizeof(*pdb), GFP_KERNEL);
if (!pdb) {
ql_dbg(ql_dbg_init, vha, 0x0181,
"%s: Failed allocate pdb\n", __func__);
} else if (qla24xx_get_port_database(vha,
le16_to_cpu(purex->nport_handle), pdb)) {
ql_dbg(ql_dbg_init, vha, 0x0181,
"%s: Failed get pdb sid=%x\n", __func__, sid);
} else if (pdb->current_login_state != PDS_PLOGI_COMPLETE &&
pdb->current_login_state != PDS_PRLI_COMPLETE) {
ql_dbg(ql_dbg_init, vha, 0x0181,
"%s: Port not logged in sid=%#x\n", __func__, sid);
} else {
/* RDP request is from logged in port */
kfree(pdb);
return false;
}
kfree(pdb);
vha->hw->isp_ops->fw_version_str(vha, fwstr, sizeof(fwstr));
fwstr[strcspn(fwstr, " ")] = 0;
/* if FW version allows RDP response length upto 2048 bytes: */
if (strcmp(fwstr, "8.09.00") > 0 || strcmp(fwstr, "8.05.65") == 0)
return false;
ql_dbg(ql_dbg_init, vha, 0x0181, "%s: fw=%s\n", __func__, fwstr);
/* RDP response length is to be reduced to maximum 256 bytes */
return true;
}
/*
* Function Name: qla24xx_process_purex_iocb
*
* Description:
* Prepare a RDP response and send to Fabric switch
*
* PARAMETERS:
* vha: SCSI qla host
* purex: RDP request received by HBA
*/
void qla24xx_process_purex_rdp(struct scsi_qla_host *vha,
struct purex_item *item)
{
struct qla_hw_data *ha = vha->hw;
struct purex_entry_24xx *purex =
(struct purex_entry_24xx *)&item->iocb;
dma_addr_t rsp_els_dma;
dma_addr_t rsp_payload_dma;
dma_addr_t stat_dma;
dma_addr_t sfp_dma;
struct els_entry_24xx *rsp_els = NULL;
struct rdp_rsp_payload *rsp_payload = NULL;
struct link_statistics *stat = NULL;
uint8_t *sfp = NULL;
uint16_t sfp_flags = 0;
uint rsp_payload_length = sizeof(*rsp_payload);
int rval;
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0180,
"%s: Enter\n", __func__);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0181,
"-------- ELS REQ -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0182,
purex, sizeof(*purex));
if (qla25xx_rdp_rsp_reduce_size(vha, purex)) {
rsp_payload_length =
offsetof(typeof(*rsp_payload), optical_elmt_desc);
ql_dbg(ql_dbg_init, vha, 0x0181,
"Reducing RSP payload length to %u bytes...\n",
rsp_payload_length);
}
rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els),
&rsp_els_dma, GFP_KERNEL);
if (!rsp_els) {
ql_log(ql_log_warn, vha, 0x0183,
"Failed allocate dma buffer ELS RSP.\n");
goto dealloc;
}
rsp_payload = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
&rsp_payload_dma, GFP_KERNEL);
if (!rsp_payload) {
ql_log(ql_log_warn, vha, 0x0184,
"Failed allocate dma buffer ELS RSP payload.\n");
goto dealloc;
}
sfp = dma_alloc_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
&sfp_dma, GFP_KERNEL);
stat = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stat),
&stat_dma, GFP_KERNEL);
/* Prepare Response IOCB */
rsp_els->entry_type = ELS_IOCB_TYPE;
rsp_els->entry_count = 1;
rsp_els->sys_define = 0;
rsp_els->entry_status = 0;
rsp_els->handle = 0;
rsp_els->nport_handle = purex->nport_handle;
rsp_els->tx_dsd_count = cpu_to_le16(1);
rsp_els->vp_index = purex->vp_idx;
rsp_els->sof_type = EST_SOFI3;
rsp_els->rx_xchg_address = purex->rx_xchg_addr;
rsp_els->rx_dsd_count = 0;
rsp_els->opcode = purex->els_frame_payload[0];
rsp_els->d_id[0] = purex->s_id[0];
rsp_els->d_id[1] = purex->s_id[1];
rsp_els->d_id[2] = purex->s_id[2];
rsp_els->control_flags = cpu_to_le16(EPD_ELS_ACC);
rsp_els->rx_byte_count = 0;
rsp_els->tx_byte_count = cpu_to_le32(rsp_payload_length);
put_unaligned_le64(rsp_payload_dma, &rsp_els->tx_address);
rsp_els->tx_len = rsp_els->tx_byte_count;
rsp_els->rx_address = 0;
rsp_els->rx_len = 0;
/* Prepare Response Payload */
rsp_payload->hdr.cmd = cpu_to_be32(0x2 << 24); /* LS_ACC */
rsp_payload->hdr.len = cpu_to_be32(le32_to_cpu(rsp_els->tx_byte_count) -
sizeof(rsp_payload->hdr));
/* Link service Request Info Descriptor */
rsp_payload->ls_req_info_desc.desc_tag = cpu_to_be32(0x1);
rsp_payload->ls_req_info_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc));
rsp_payload->ls_req_info_desc.req_payload_word_0 =
cpu_to_be32p((uint32_t *)purex->els_frame_payload);
/* Link service Request Info Descriptor 2 */
rsp_payload->ls_req_info_desc2.desc_tag = cpu_to_be32(0x1);
rsp_payload->ls_req_info_desc2.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_req_info_desc2));
rsp_payload->ls_req_info_desc2.req_payload_word_0 =
cpu_to_be32p((uint32_t *)purex->els_frame_payload);
rsp_payload->sfp_diag_desc.desc_tag = cpu_to_be32(0x10000);
rsp_payload->sfp_diag_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->sfp_diag_desc));
if (sfp) {
/* SFP Flags */
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x7, 2, 0);
if (!rval) {
/* SFP Flags bits 3-0: Port Tx Laser Type */
if (sfp[0] & BIT_2 || sfp[1] & (BIT_6|BIT_5))
sfp_flags |= BIT_0; /* short wave */
else if (sfp[0] & BIT_1)
sfp_flags |= BIT_1; /* long wave 1310nm */
else if (sfp[1] & BIT_4)
sfp_flags |= BIT_1|BIT_0; /* long wave 1550nm */
}
/* SFP Type */
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 0x0, 1, 0);
if (!rval) {
sfp_flags |= BIT_4; /* optical */
if (sfp[0] == 0x3)
sfp_flags |= BIT_6; /* sfp+ */
}
rsp_payload->sfp_diag_desc.sfp_flags = cpu_to_be16(sfp_flags);
/* SFP Diagnostics */
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0x60, 10, 0);
if (!rval) {
__be16 *trx = (__force __be16 *)sfp; /* already be16 */
rsp_payload->sfp_diag_desc.temperature = trx[0];
rsp_payload->sfp_diag_desc.vcc = trx[1];
rsp_payload->sfp_diag_desc.tx_bias = trx[2];
rsp_payload->sfp_diag_desc.tx_power = trx[3];
rsp_payload->sfp_diag_desc.rx_power = trx[4];
}
}
/* Port Speed Descriptor */
rsp_payload->port_speed_desc.desc_tag = cpu_to_be32(0x10001);
rsp_payload->port_speed_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_speed_desc));
rsp_payload->port_speed_desc.speed_capab = cpu_to_be16(
qla25xx_fdmi_port_speed_capability(ha));
rsp_payload->port_speed_desc.operating_speed = cpu_to_be16(
qla25xx_fdmi_port_speed_currently(ha));
/* Link Error Status Descriptor */
rsp_payload->ls_err_desc.desc_tag = cpu_to_be32(0x10002);
rsp_payload->ls_err_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->ls_err_desc));
if (stat) {
rval = qla24xx_get_isp_stats(vha, stat, stat_dma, 0);
if (!rval) {
rsp_payload->ls_err_desc.link_fail_cnt =
cpu_to_be32(le32_to_cpu(stat->link_fail_cnt));
rsp_payload->ls_err_desc.loss_sync_cnt =
cpu_to_be32(le32_to_cpu(stat->loss_sync_cnt));
rsp_payload->ls_err_desc.loss_sig_cnt =
cpu_to_be32(le32_to_cpu(stat->loss_sig_cnt));
rsp_payload->ls_err_desc.prim_seq_err_cnt =
cpu_to_be32(le32_to_cpu(stat->prim_seq_err_cnt));
rsp_payload->ls_err_desc.inval_xmit_word_cnt =
cpu_to_be32(le32_to_cpu(stat->inval_xmit_word_cnt));
rsp_payload->ls_err_desc.inval_crc_cnt =
cpu_to_be32(le32_to_cpu(stat->inval_crc_cnt));
rsp_payload->ls_err_desc.pn_port_phy_type |= BIT_6;
}
}
/* Portname Descriptor */
rsp_payload->port_name_diag_desc.desc_tag = cpu_to_be32(0x10003);
rsp_payload->port_name_diag_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_diag_desc));
memcpy(rsp_payload->port_name_diag_desc.WWNN,
vha->node_name,
sizeof(rsp_payload->port_name_diag_desc.WWNN));
memcpy(rsp_payload->port_name_diag_desc.WWPN,
vha->port_name,
sizeof(rsp_payload->port_name_diag_desc.WWPN));
/* F-Port Portname Descriptor */
rsp_payload->port_name_direct_desc.desc_tag = cpu_to_be32(0x10003);
rsp_payload->port_name_direct_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->port_name_direct_desc));
memcpy(rsp_payload->port_name_direct_desc.WWNN,
vha->fabric_node_name,
sizeof(rsp_payload->port_name_direct_desc.WWNN));
memcpy(rsp_payload->port_name_direct_desc.WWPN,
vha->fabric_port_name,
sizeof(rsp_payload->port_name_direct_desc.WWPN));
/* Bufer Credit Descriptor */
rsp_payload->buffer_credit_desc.desc_tag = cpu_to_be32(0x10006);
rsp_payload->buffer_credit_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->buffer_credit_desc));
rsp_payload->buffer_credit_desc.fcport_b2b = 0;
rsp_payload->buffer_credit_desc.attached_fcport_b2b = cpu_to_be32(0);
rsp_payload->buffer_credit_desc.fcport_rtt = cpu_to_be32(0);
if (ha->flags.plogi_template_valid) {
uint32_t tmp =
be16_to_cpu(ha->plogi_els_payld.fl_csp.sp_bb_cred);
rsp_payload->buffer_credit_desc.fcport_b2b = cpu_to_be32(tmp);
}
if (rsp_payload_length < sizeof(*rsp_payload))
goto send;
/* Optical Element Descriptor, Temperature */
rsp_payload->optical_elmt_desc[0].desc_tag = cpu_to_be32(0x10007);
rsp_payload->optical_elmt_desc[0].desc_len =
cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
/* Optical Element Descriptor, Voltage */
rsp_payload->optical_elmt_desc[1].desc_tag = cpu_to_be32(0x10007);
rsp_payload->optical_elmt_desc[1].desc_len =
cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
/* Optical Element Descriptor, Tx Bias Current */
rsp_payload->optical_elmt_desc[2].desc_tag = cpu_to_be32(0x10007);
rsp_payload->optical_elmt_desc[2].desc_len =
cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
/* Optical Element Descriptor, Tx Power */
rsp_payload->optical_elmt_desc[3].desc_tag = cpu_to_be32(0x10007);
rsp_payload->optical_elmt_desc[3].desc_len =
cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
/* Optical Element Descriptor, Rx Power */
rsp_payload->optical_elmt_desc[4].desc_tag = cpu_to_be32(0x10007);
rsp_payload->optical_elmt_desc[4].desc_len =
cpu_to_be32(RDP_DESC_LEN(*rsp_payload->optical_elmt_desc));
if (sfp) {
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 0, 64, 0);
if (!rval) {
__be16 *trx = (__force __be16 *)sfp; /* already be16 */
/* Optical Element Descriptor, Temperature */
rsp_payload->optical_elmt_desc[0].high_alarm = trx[0];
rsp_payload->optical_elmt_desc[0].low_alarm = trx[1];
rsp_payload->optical_elmt_desc[0].high_warn = trx[2];
rsp_payload->optical_elmt_desc[0].low_warn = trx[3];
rsp_payload->optical_elmt_desc[0].element_flags =
cpu_to_be32(1 << 28);
/* Optical Element Descriptor, Voltage */
rsp_payload->optical_elmt_desc[1].high_alarm = trx[4];
rsp_payload->optical_elmt_desc[1].low_alarm = trx[5];
rsp_payload->optical_elmt_desc[1].high_warn = trx[6];
rsp_payload->optical_elmt_desc[1].low_warn = trx[7];
rsp_payload->optical_elmt_desc[1].element_flags =
cpu_to_be32(2 << 28);
/* Optical Element Descriptor, Tx Bias Current */
rsp_payload->optical_elmt_desc[2].high_alarm = trx[8];
rsp_payload->optical_elmt_desc[2].low_alarm = trx[9];
rsp_payload->optical_elmt_desc[2].high_warn = trx[10];
rsp_payload->optical_elmt_desc[2].low_warn = trx[11];
rsp_payload->optical_elmt_desc[2].element_flags =
cpu_to_be32(3 << 28);
/* Optical Element Descriptor, Tx Power */
rsp_payload->optical_elmt_desc[3].high_alarm = trx[12];
rsp_payload->optical_elmt_desc[3].low_alarm = trx[13];
rsp_payload->optical_elmt_desc[3].high_warn = trx[14];
rsp_payload->optical_elmt_desc[3].low_warn = trx[15];
rsp_payload->optical_elmt_desc[3].element_flags =
cpu_to_be32(4 << 28);
/* Optical Element Descriptor, Rx Power */
rsp_payload->optical_elmt_desc[4].high_alarm = trx[16];
rsp_payload->optical_elmt_desc[4].low_alarm = trx[17];
rsp_payload->optical_elmt_desc[4].high_warn = trx[18];
rsp_payload->optical_elmt_desc[4].low_warn = trx[19];
rsp_payload->optical_elmt_desc[4].element_flags =
cpu_to_be32(5 << 28);
}
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa2, 112, 64, 0);
if (!rval) {
/* Temperature high/low alarm/warning */
rsp_payload->optical_elmt_desc[0].element_flags |=
cpu_to_be32(
(sfp[0] >> 7 & 1) << 3 |
(sfp[0] >> 6 & 1) << 2 |
(sfp[4] >> 7 & 1) << 1 |
(sfp[4] >> 6 & 1) << 0);
/* Voltage high/low alarm/warning */
rsp_payload->optical_elmt_desc[1].element_flags |=
cpu_to_be32(
(sfp[0] >> 5 & 1) << 3 |
(sfp[0] >> 4 & 1) << 2 |
(sfp[4] >> 5 & 1) << 1 |
(sfp[4] >> 4 & 1) << 0);
/* Tx Bias Current high/low alarm/warning */
rsp_payload->optical_elmt_desc[2].element_flags |=
cpu_to_be32(
(sfp[0] >> 3 & 1) << 3 |
(sfp[0] >> 2 & 1) << 2 |
(sfp[4] >> 3 & 1) << 1 |
(sfp[4] >> 2 & 1) << 0);
/* Tx Power high/low alarm/warning */
rsp_payload->optical_elmt_desc[3].element_flags |=
cpu_to_be32(
(sfp[0] >> 1 & 1) << 3 |
(sfp[0] >> 0 & 1) << 2 |
(sfp[4] >> 1 & 1) << 1 |
(sfp[4] >> 0 & 1) << 0);
/* Rx Power high/low alarm/warning */
rsp_payload->optical_elmt_desc[4].element_flags |=
cpu_to_be32(
(sfp[1] >> 7 & 1) << 3 |
(sfp[1] >> 6 & 1) << 2 |
(sfp[5] >> 7 & 1) << 1 |
(sfp[5] >> 6 & 1) << 0);
}
}
/* Optical Product Data Descriptor */
rsp_payload->optical_prod_desc.desc_tag = cpu_to_be32(0x10008);
rsp_payload->optical_prod_desc.desc_len =
cpu_to_be32(RDP_DESC_LEN(rsp_payload->optical_prod_desc));
if (sfp) {
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 20, 64, 0);
if (!rval) {
memcpy(rsp_payload->optical_prod_desc.vendor_name,
sfp + 0,
sizeof(rsp_payload->optical_prod_desc.vendor_name));
memcpy(rsp_payload->optical_prod_desc.part_number,
sfp + 20,
sizeof(rsp_payload->optical_prod_desc.part_number));
memcpy(rsp_payload->optical_prod_desc.revision,
sfp + 36,
sizeof(rsp_payload->optical_prod_desc.revision));
memcpy(rsp_payload->optical_prod_desc.serial_number,
sfp + 48,
sizeof(rsp_payload->optical_prod_desc.serial_number));
}
memset(sfp, 0, SFP_RTDI_LEN);
rval = qla2x00_read_sfp(vha, sfp_dma, sfp, 0xa0, 84, 8, 0);
if (!rval) {
memcpy(rsp_payload->optical_prod_desc.date,
sfp + 0,
sizeof(rsp_payload->optical_prod_desc.date));
}
}
send:
ql_dbg(ql_dbg_init, vha, 0x0183,
"Sending ELS Response to RDP Request...\n");
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0184,
"-------- ELS RSP -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0185,
rsp_els, sizeof(*rsp_els));
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0186,
"-------- ELS RSP PAYLOAD -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0187,
rsp_payload, rsp_payload_length);
rval = qla2x00_issue_iocb(vha, rsp_els, rsp_els_dma, 0);
if (rval) {
ql_log(ql_log_warn, vha, 0x0188,
"%s: iocb failed to execute -> %x\n", __func__, rval);
} else if (rsp_els->comp_status) {
ql_log(ql_log_warn, vha, 0x0189,
"%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
__func__, rsp_els->comp_status,
rsp_els->error_subcode_1, rsp_els->error_subcode_2);
} else {
ql_dbg(ql_dbg_init, vha, 0x018a, "%s: done.\n", __func__);
}
dealloc:
if (stat)
dma_free_coherent(&ha->pdev->dev, sizeof(*stat),
stat, stat_dma);
if (sfp)
dma_free_coherent(&ha->pdev->dev, SFP_RTDI_LEN,
sfp, sfp_dma);
if (rsp_payload)
dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_payload),
rsp_payload, rsp_payload_dma);
if (rsp_els)
dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els),
rsp_els, rsp_els_dma);
}
void
qla24xx_free_purex_item(struct purex_item *item)
{
if (item == &item->vha->default_item)
memset(&item->vha->default_item, 0, sizeof(struct purex_item));
else
kfree(item);
}
void qla24xx_process_purex_list(struct purex_list *list)
{
struct list_head head = LIST_HEAD_INIT(head);
struct purex_item *item, *next;
ulong flags;
spin_lock_irqsave(&list->lock, flags);
list_splice_init(&list->head, &head);
spin_unlock_irqrestore(&list->lock, flags);
list_for_each_entry_safe(item, next, &head, list) {
list_del(&item->list);
item->process_item(item->vha, item);
qla24xx_free_purex_item(item);
}
}
/*
* Context: task, can sleep
*/
void
qla83xx_idc_unlock(scsi_qla_host_t *base_vha, uint16_t requester_id)
{
#if 0
uint16_t options = (requester_id << 15) | BIT_7;
#endif
uint16_t retry;
uint32_t data;
struct qla_hw_data *ha = base_vha->hw;
might_sleep();
/* IDC-unlock implementation using driver-unlock/lock-id
* remote registers
*/
retry = 0;
retry_unlock:
if (qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_LOCKID, &data)
== QLA_SUCCESS) {
if (data == ha->portnum) {
qla83xx_rd_reg(base_vha, QLA83XX_DRIVER_UNLOCK, &data);
/* Clearing lock-id by setting 0xff */
qla83xx_wr_reg(base_vha, QLA83XX_DRIVER_LOCKID, 0xff);
} else if (retry < 10) {
/* SV: XXX: IDC unlock retrying needed here? */
/* Retry for IDC-unlock */
msleep(QLA83XX_WAIT_LOGIC_MS);
retry++;
ql_dbg(ql_dbg_p3p, base_vha, 0xb064,
"Failed to release IDC lock, retrying=%d\n", retry);
goto retry_unlock;
}
} else if (retry < 10) {
/* Retry for IDC-unlock */
msleep(QLA83XX_WAIT_LOGIC_MS);
retry++;
ql_dbg(ql_dbg_p3p, base_vha, 0xb065,
"Failed to read drv-lockid, retrying=%d\n", retry);
goto retry_unlock;
}
return;
#if 0
/* XXX: IDC-unlock implementation using access-control mbx */
retry = 0;
retry_unlock2:
if (qla83xx_access_control(base_vha, options, 0, 0, NULL)) {
if (retry < 10) {
/* Retry for IDC-unlock */
msleep(QLA83XX_WAIT_LOGIC_MS);
retry++;
ql_dbg(ql_dbg_p3p, base_vha, 0xb066,
"Failed to release IDC lock, retrying=%d\n", retry);
goto retry_unlock2;
}
}
return;
#endif
}
int
__qla83xx_set_drv_presence(scsi_qla_host_t *vha)
{
int rval = QLA_SUCCESS;
struct qla_hw_data *ha = vha->hw;
uint32_t drv_presence;
rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
if (rval == QLA_SUCCESS) {
drv_presence |= (1 << ha->portnum);
rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
drv_presence);
}
return rval;
}
int
qla83xx_set_drv_presence(scsi_qla_host_t *vha)
{
int rval = QLA_SUCCESS;
qla83xx_idc_lock(vha, 0);
rval = __qla83xx_set_drv_presence(vha);
qla83xx_idc_unlock(vha, 0);
return rval;
}
int
__qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
{
int rval = QLA_SUCCESS;
struct qla_hw_data *ha = vha->hw;
uint32_t drv_presence;
rval = qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
if (rval == QLA_SUCCESS) {
drv_presence &= ~(1 << ha->portnum);
rval = qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
drv_presence);
}
return rval;
}
int
qla83xx_clear_drv_presence(scsi_qla_host_t *vha)
{
int rval = QLA_SUCCESS;
qla83xx_idc_lock(vha, 0);
rval = __qla83xx_clear_drv_presence(vha);
qla83xx_idc_unlock(vha, 0);
return rval;
}
static void
qla83xx_need_reset_handler(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
uint32_t drv_ack, drv_presence;
unsigned long ack_timeout;
/* Wait for IDC ACK from all functions (DRV-ACK == DRV-PRESENCE) */
ack_timeout = jiffies + (ha->fcoe_reset_timeout * HZ);
while (1) {
qla83xx_rd_reg(vha, QLA83XX_IDC_DRIVER_ACK, &drv_ack);
qla83xx_rd_reg(vha, QLA83XX_IDC_DRV_PRESENCE, &drv_presence);
if ((drv_ack & drv_presence) == drv_presence)
break;
if (time_after_eq(jiffies, ack_timeout)) {
ql_log(ql_log_warn, vha, 0xb067,
"RESET ACK TIMEOUT! drv_presence=0x%x "
"drv_ack=0x%x\n", drv_presence, drv_ack);
/*
* The function(s) which did not ack in time are forced
* to withdraw any further participation in the IDC
* reset.
*/
if (drv_ack != drv_presence)
qla83xx_wr_reg(vha, QLA83XX_IDC_DRV_PRESENCE,
drv_ack);
break;
}
qla83xx_idc_unlock(vha, 0);
msleep(1000);
qla83xx_idc_lock(vha, 0);
}
qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_COLD);
ql_log(ql_log_info, vha, 0xb068, "HW State: COLD/RE-INIT.\n");
}
static int
qla83xx_device_bootstrap(scsi_qla_host_t *vha)
{
int rval = QLA_SUCCESS;
uint32_t idc_control;
qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_INITIALIZING);
ql_log(ql_log_info, vha, 0xb069, "HW State: INITIALIZING.\n");
/* Clearing IDC-Control Graceful-Reset Bit before resetting f/w */
__qla83xx_get_idc_control(vha, &idc_control);
idc_control &= ~QLA83XX_IDC_GRACEFUL_RESET;
__qla83xx_set_idc_control(vha, 0);
qla83xx_idc_unlock(vha, 0);
rval = qla83xx_restart_nic_firmware(vha);
qla83xx_idc_lock(vha, 0);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_fatal, vha, 0xb06a,
"Failed to restart NIC f/w.\n");
qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_FAILED);
ql_log(ql_log_info, vha, 0xb06b, "HW State: FAILED.\n");
} else {
ql_dbg(ql_dbg_p3p, vha, 0xb06c,
"Success in restarting nic f/w.\n");
qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE, QLA8XXX_DEV_READY);
ql_log(ql_log_info, vha, 0xb06d, "HW State: READY.\n");
}
return rval;
}
/* Assumes idc_lock always held on entry */
int
qla83xx_idc_state_handler(scsi_qla_host_t *base_vha)
{
struct qla_hw_data *ha = base_vha->hw;
int rval = QLA_SUCCESS;
unsigned long dev_init_timeout;
uint32_t dev_state;
/* Wait for MAX-INIT-TIMEOUT for the device to go ready */
dev_init_timeout = jiffies + (ha->fcoe_dev_init_timeout * HZ);
while (1) {
if (time_after_eq(jiffies, dev_init_timeout)) {
ql_log(ql_log_warn, base_vha, 0xb06e,
"Initialization TIMEOUT!\n");
/* Init timeout. Disable further NIC Core
* communication.
*/
qla83xx_wr_reg(base_vha, QLA83XX_IDC_DEV_STATE,
QLA8XXX_DEV_FAILED);
ql_log(ql_log_info, base_vha, 0xb06f,
"HW State: FAILED.\n");
}
qla83xx_rd_reg(base_vha, QLA83XX_IDC_DEV_STATE, &dev_state);
switch (dev_state) {
case QLA8XXX_DEV_READY:
if (ha->flags.nic_core_reset_owner)
qla83xx_idc_audit(base_vha,
IDC_AUDIT_COMPLETION);
ha->flags.nic_core_reset_owner = 0;
ql_dbg(ql_dbg_p3p, base_vha, 0xb070,
"Reset_owner reset by 0x%x.\n",
ha->portnum);
goto exit;
case QLA8XXX_DEV_COLD:
if (ha->flags.nic_core_reset_owner)
rval = qla83xx_device_bootstrap(base_vha);
else {
/* Wait for AEN to change device-state */
qla83xx_idc_unlock(base_vha, 0);
msleep(1000);
qla83xx_idc_lock(base_vha, 0);
}
break;
case QLA8XXX_DEV_INITIALIZING:
/* Wait for AEN to change device-state */
qla83xx_idc_unlock(base_vha, 0);
msleep(1000);
qla83xx_idc_lock(base_vha, 0);
break;
case QLA8XXX_DEV_NEED_RESET:
if (!ql2xdontresethba && ha->flags.nic_core_reset_owner)
qla83xx_need_reset_handler(base_vha);
else {
/* Wait for AEN to change device-state */
qla83xx_idc_unlock(base_vha, 0);
msleep(1000);
qla83xx_idc_lock(base_vha, 0);
}
/* reset timeout value after need reset handler */
dev_init_timeout = jiffies +
(ha->fcoe_dev_init_timeout * HZ);
break;
case QLA8XXX_DEV_NEED_QUIESCENT:
/* XXX: DEBUG for now */
qla83xx_idc_unlock(base_vha, 0);
msleep(1000);
qla83xx_idc_lock(base_vha, 0);
break;
case QLA8XXX_DEV_QUIESCENT:
/* XXX: DEBUG for now */
if (ha->flags.quiesce_owner)
goto exit;
qla83xx_idc_unlock(base_vha, 0);
msleep(1000);
qla83xx_idc_lock(base_vha, 0);
dev_init_timeout = jiffies +
(ha->fcoe_dev_init_timeout * HZ);
break;
case QLA8XXX_DEV_FAILED:
if (ha->flags.nic_core_reset_owner)
qla83xx_idc_audit(base_vha,
IDC_AUDIT_COMPLETION);
ha->flags.nic_core_reset_owner = 0;
__qla83xx_clear_drv_presence(base_vha);
qla83xx_idc_unlock(base_vha, 0);
qla8xxx_dev_failed_handler(base_vha);
rval = QLA_FUNCTION_FAILED;
qla83xx_idc_lock(base_vha, 0);
goto exit;
case QLA8XXX_BAD_VALUE:
qla83xx_idc_unlock(base_vha, 0);
msleep(1000);
qla83xx_idc_lock(base_vha, 0);
break;
default:
ql_log(ql_log_warn, base_vha, 0xb071,
"Unknown Device State: %x.\n", dev_state);
qla83xx_idc_unlock(base_vha, 0);
qla8xxx_dev_failed_handler(base_vha);
rval = QLA_FUNCTION_FAILED;
qla83xx_idc_lock(base_vha, 0);
goto exit;
}
}
exit:
return rval;
}
void
qla2x00_disable_board_on_pci_error(struct work_struct *work)
{
struct qla_hw_data *ha = container_of(work, struct qla_hw_data,
board_disable);
struct pci_dev *pdev = ha->pdev;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
ql_log(ql_log_warn, base_vha, 0x015b,
"Disabling adapter.\n");
if (!atomic_read(&pdev->enable_cnt)) {
ql_log(ql_log_info, base_vha, 0xfffc,
"PCI device disabled, no action req for PCI error=%lx\n",
base_vha->pci_flags);
return;
}
/*
* if UNLOADING flag is already set, then continue unload,
* where it was set first.
*/
if (test_and_set_bit(UNLOADING, &base_vha->dpc_flags))
return;
qla2x00_wait_for_sess_deletion(base_vha);
qla2x00_delete_all_vps(ha, base_vha);
qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
qla2x00_dfs_remove(base_vha);
qla84xx_put_chip(base_vha);
if (base_vha->timer_active)
qla2x00_stop_timer(base_vha);
base_vha->flags.online = 0;
qla2x00_destroy_deferred_work(ha);
/*
* Do not try to stop beacon blink as it will issue a mailbox
* command.
*/
qla2x00_free_sysfs_attr(base_vha, false);
fc_remove_host(base_vha->host);
scsi_remove_host(base_vha->host);
base_vha->flags.init_done = 0;
qla25xx_delete_queues(base_vha);
qla2x00_free_fcports(base_vha);
qla2x00_free_irqs(base_vha);
qla2x00_mem_free(ha);
qla82xx_md_free(base_vha);
qla2x00_free_queues(ha);
qla2x00_unmap_iobases(ha);
pci_release_selected_regions(ha->pdev, ha->bars);
pci_disable_pcie_error_reporting(pdev);
pci_disable_device(pdev);
/*
* Let qla2x00_remove_one cleanup qla_hw_data on device removal.
*/
}
/**************************************************************************
* qla2x00_do_dpc
* This kernel thread is a task that is schedule by the interrupt handler
* to perform the background processing for interrupts.
*
* Notes:
* This task always run in the context of a kernel thread. It
* is kick-off by the driver's detect code and starts up
* up one per adapter. It immediately goes to sleep and waits for
* some fibre event. When either the interrupt handler or
* the timer routine detects a event it will one of the task
* bits then wake us up.
**************************************************************************/
static int
qla2x00_do_dpc(void *data)
{
scsi_qla_host_t *base_vha;
struct qla_hw_data *ha;
uint32_t online;
struct qla_qpair *qpair;
ha = (struct qla_hw_data *)data;
base_vha = pci_get_drvdata(ha->pdev);
set_user_nice(current, MIN_NICE);
set_current_state(TASK_INTERRUPTIBLE);
while (!kthread_should_stop()) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4000,
"DPC handler sleeping.\n");
schedule();
if (test_and_clear_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags))
qla_pci_set_eeh_busy(base_vha);
if (!base_vha->flags.init_done || ha->flags.mbox_busy)
goto end_loop;
if (ha->flags.eeh_busy) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4003,
"eeh_busy=%d.\n", ha->flags.eeh_busy);
goto end_loop;
}
ha->dpc_active = 1;
ql_dbg(ql_dbg_dpc + ql_dbg_verbose, base_vha, 0x4001,
"DPC handler waking up, dpc_flags=0x%lx.\n",
base_vha->dpc_flags);
if (test_bit(UNLOADING, &base_vha->dpc_flags))
break;
if (IS_P3P_TYPE(ha)) {
if (IS_QLA8044(ha)) {
if (test_and_clear_bit(ISP_UNRECOVERABLE,
&base_vha->dpc_flags)) {
qla8044_idc_lock(ha);
qla8044_wr_direct(base_vha,
QLA8044_CRB_DEV_STATE_INDEX,
QLA8XXX_DEV_FAILED);
qla8044_idc_unlock(ha);
ql_log(ql_log_info, base_vha, 0x4004,
"HW State: FAILED.\n");
qla8044_device_state_handler(base_vha);
continue;
}
} else {
if (test_and_clear_bit(ISP_UNRECOVERABLE,
&base_vha->dpc_flags)) {
qla82xx_idc_lock(ha);
qla82xx_wr_32(ha, QLA82XX_CRB_DEV_STATE,
QLA8XXX_DEV_FAILED);
qla82xx_idc_unlock(ha);
ql_log(ql_log_info, base_vha, 0x0151,
"HW State: FAILED.\n");
qla82xx_device_state_handler(base_vha);
continue;
}
}
if (test_and_clear_bit(FCOE_CTX_RESET_NEEDED,
&base_vha->dpc_flags)) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4005,
"FCoE context reset scheduled.\n");
if (!(test_and_set_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags))) {
if (qla82xx_fcoe_ctx_reset(base_vha)) {
/* FCoE-ctx reset failed.
* Escalate to chip-reset
*/
set_bit(ISP_ABORT_NEEDED,
&base_vha->dpc_flags);
}
clear_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags);
}
ql_dbg(ql_dbg_dpc, base_vha, 0x4006,
"FCoE context reset end.\n");
}
} else if (IS_QLAFX00(ha)) {
if (test_and_clear_bit(ISP_UNRECOVERABLE,
&base_vha->dpc_flags)) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4020,
"Firmware Reset Recovery\n");
if (qlafx00_reset_initialize(base_vha)) {
/* Failed. Abort isp later. */
if (!test_bit(UNLOADING,
&base_vha->dpc_flags)) {
set_bit(ISP_UNRECOVERABLE,
&base_vha->dpc_flags);
ql_dbg(ql_dbg_dpc, base_vha,
0x4021,
"Reset Recovery Failed\n");
}
}
}
if (test_and_clear_bit(FX00_TARGET_SCAN,
&base_vha->dpc_flags)) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4022,
"ISPFx00 Target Scan scheduled\n");
if (qlafx00_rescan_isp(base_vha)) {
if (!test_bit(UNLOADING,
&base_vha->dpc_flags))
set_bit(ISP_UNRECOVERABLE,
&base_vha->dpc_flags);
ql_dbg(ql_dbg_dpc, base_vha, 0x401e,
"ISPFx00 Target Scan Failed\n");
}
ql_dbg(ql_dbg_dpc, base_vha, 0x401f,
"ISPFx00 Target Scan End\n");
}
if (test_and_clear_bit(FX00_HOST_INFO_RESEND,
&base_vha->dpc_flags)) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4023,
"ISPFx00 Host Info resend scheduled\n");
qlafx00_fx_disc(base_vha,
&base_vha->hw->mr.fcport,
FXDISC_REG_HOST_INFO);
}
}
if (test_and_clear_bit(DETECT_SFP_CHANGE,
&base_vha->dpc_flags)) {
/* Semantic:
* - NO-OP -- await next ISP-ABORT. Preferred method
* to minimize disruptions that will occur
* when a forced chip-reset occurs.
* - Force -- ISP-ABORT scheduled.
*/
/* set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags); */
}
if (test_and_clear_bit
(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
!test_bit(UNLOADING, &base_vha->dpc_flags)) {
bool do_reset = true;
switch (base_vha->qlini_mode) {
case QLA2XXX_INI_MODE_ENABLED:
break;
case QLA2XXX_INI_MODE_DISABLED:
if (!qla_tgt_mode_enabled(base_vha) &&
!ha->flags.fw_started)
do_reset = false;
break;
case QLA2XXX_INI_MODE_DUAL:
if (!qla_dual_mode_enabled(base_vha) &&
!ha->flags.fw_started)
do_reset = false;
break;
default:
break;
}
if (do_reset && !(test_and_set_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags))) {
base_vha->flags.online = 1;
ql_dbg(ql_dbg_dpc, base_vha, 0x4007,
"ISP abort scheduled.\n");
if (ha->isp_ops->abort_isp(base_vha)) {
/* failed. retry later */
set_bit(ISP_ABORT_NEEDED,
&base_vha->dpc_flags);
}
clear_bit(ABORT_ISP_ACTIVE,
&base_vha->dpc_flags);
ql_dbg(ql_dbg_dpc, base_vha, 0x4008,
"ISP abort end.\n");
}
}
if (test_bit(PROCESS_PUREX_IOCB, &base_vha->dpc_flags)) {
if (atomic_read(&base_vha->loop_state) == LOOP_READY) {
qla24xx_process_purex_list
(&base_vha->purex_list);
clear_bit(PROCESS_PUREX_IOCB,
&base_vha->dpc_flags);
}
}
if (test_and_clear_bit(FCPORT_UPDATE_NEEDED,
&base_vha->dpc_flags)) {
qla2x00_update_fcports(base_vha);
}
if (IS_QLAFX00(ha))
goto loop_resync_check;
if (test_bit(ISP_QUIESCE_NEEDED, &base_vha->dpc_flags)) {
ql_dbg(ql_dbg_dpc, base_vha, 0x4009,
"Quiescence mode scheduled.\n");
if (IS_P3P_TYPE(ha)) {
if (IS_QLA82XX(ha))
qla82xx_device_state_handler(base_vha);
if (IS_QLA8044(ha))
qla8044_device_state_handler(base_vha);
clear_bit(ISP_QUIESCE_NEEDED,
&base_vha->dpc_flags);
if (!ha->flags.quiesce_owner) {
qla2x00_perform_loop_resync(base_vha);
if (IS_QLA82XX(ha)) {
qla82xx_idc_lock(ha);
qla82xx_clear_qsnt_ready(
base_vha);
qla82xx_idc_unlock(ha);
} else if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
qla8044_clear_qsnt_ready(
base_vha);
qla8044_idc_unlock(ha);
}
}
} else {
clear_bit(ISP_QUIESCE_NEEDED,
&base_vha->dpc_flags);
qla2x00_quiesce_io(base_vha);
}
ql_dbg(ql_dbg_dpc, base_vha, 0x400a,
"Quiescence mode end.\n");
}
if (test_and_clear_bit(RESET_MARKER_NEEDED,
&base_vha->dpc_flags) &&
(!(test_and_set_bit(RESET_ACTIVE, &base_vha->dpc_flags)))) {
ql_dbg(ql_dbg_dpc, base_vha, 0x400b,
"Reset marker scheduled.\n");
qla2x00_rst_aen(base_vha);
clear_bit(RESET_ACTIVE, &base_vha->dpc_flags);
ql_dbg(ql_dbg_dpc, base_vha, 0x400c,
"Reset marker end.\n");
}
/* Retry each device up to login retry count */
if (test_bit(RELOGIN_NEEDED, &base_vha->dpc_flags) &&
!test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags) &&
atomic_read(&base_vha->loop_state) != LOOP_DOWN) {
if (!base_vha->relogin_jif ||
time_after_eq(jiffies, base_vha->relogin_jif)) {
base_vha->relogin_jif = jiffies + HZ;
clear_bit(RELOGIN_NEEDED, &base_vha->dpc_flags);
ql_dbg(ql_dbg_disc, base_vha, 0x400d,
"Relogin scheduled.\n");
qla24xx_post_relogin_work(base_vha);
}
}
loop_resync_check:
if (!qla2x00_reset_active(base_vha) &&
test_and_clear_bit(LOOP_RESYNC_NEEDED,
&base_vha->dpc_flags)) {
/*
* Allow abort_isp to complete before moving on to scanning.
*/
ql_dbg(ql_dbg_dpc, base_vha, 0x400f,
"Loop resync scheduled.\n");
if (!(test_and_set_bit(LOOP_RESYNC_ACTIVE,
&base_vha->dpc_flags))) {
qla2x00_loop_resync(base_vha);
clear_bit(LOOP_RESYNC_ACTIVE,
&base_vha->dpc_flags);
}
ql_dbg(ql_dbg_dpc, base_vha, 0x4010,
"Loop resync end.\n");
}
if (IS_QLAFX00(ha))
goto intr_on_check;
if (test_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags) &&
atomic_read(&base_vha->loop_state) == LOOP_READY) {
clear_bit(NPIV_CONFIG_NEEDED, &base_vha->dpc_flags);
qla2xxx_flash_npiv_conf(base_vha);
}
intr_on_check:
if (!ha->interrupts_on)
ha->isp_ops->enable_intrs(ha);
if (test_and_clear_bit(BEACON_BLINK_NEEDED,
&base_vha->dpc_flags)) {
if (ha->beacon_blink_led == 1)
ha->isp_ops->beacon_blink(base_vha);
}
/* qpair online check */
if (test_and_clear_bit(QPAIR_ONLINE_CHECK_NEEDED,
&base_vha->dpc_flags)) {
if (ha->flags.eeh_busy ||
ha->flags.pci_channel_io_perm_failure)
online = 0;
else
online = 1;
mutex_lock(&ha->mq_lock);
list_for_each_entry(qpair, &base_vha->qp_list,
qp_list_elem)
qpair->online = online;
mutex_unlock(&ha->mq_lock);
}
if (test_and_clear_bit(SET_ZIO_THRESHOLD_NEEDED,
&base_vha->dpc_flags)) {
u16 threshold = ha->nvme_last_rptd_aen + ha->last_zio_threshold;
if (threshold > ha->orig_fw_xcb_count)
threshold = ha->orig_fw_xcb_count;
ql_log(ql_log_info, base_vha, 0xffffff,
"SET ZIO Activity exchange threshold to %d.\n",
threshold);
if (qla27xx_set_zio_threshold(base_vha, threshold)) {
ql_log(ql_log_info, base_vha, 0xffffff,
"Unable to SET ZIO Activity exchange threshold to %d.\n",
threshold);
}
}
if (!IS_QLAFX00(ha))
qla2x00_do_dpc_all_vps(base_vha);
if (test_and_clear_bit(N2N_LINK_RESET,
&base_vha->dpc_flags)) {
qla2x00_lip_reset(base_vha);
}
ha->dpc_active = 0;
end_loop:
set_current_state(TASK_INTERRUPTIBLE);
} /* End of while(1) */
__set_current_state(TASK_RUNNING);
ql_dbg(ql_dbg_dpc, base_vha, 0x4011,
"DPC handler exiting.\n");
/*
* Make sure that nobody tries to wake us up again.
*/
ha->dpc_active = 0;
/* Cleanup any residual CTX SRBs. */
qla2x00_abort_all_cmds(base_vha, DID_NO_CONNECT << 16);
return 0;
}
void
qla2xxx_wake_dpc(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
struct task_struct *t = ha->dpc_thread;
if (!test_bit(UNLOADING, &vha->dpc_flags) && t)
wake_up_process(t);
}
/*
* qla2x00_rst_aen
* Processes asynchronous reset.
*
* Input:
* ha = adapter block pointer.
*/
static void
qla2x00_rst_aen(scsi_qla_host_t *vha)
{
if (vha->flags.online && !vha->flags.reset_active &&
!atomic_read(&vha->loop_down_timer) &&
!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags))) {
do {
clear_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
/*
* Issue marker command only when we are going to start
* the I/O.
*/
vha->marker_needed = 1;
} while (!atomic_read(&vha->loop_down_timer) &&
(test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags)));
}
}
static bool qla_do_heartbeat(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
u32 cmpl_cnt;
u16 i;
bool do_heartbeat = false;
/*
* Allow do_heartbeat only if we don’t have any active interrupts,
* but there are still IOs outstanding with firmware.
*/
cmpl_cnt = ha->base_qpair->cmd_completion_cnt;
if (cmpl_cnt == ha->base_qpair->prev_completion_cnt &&
cmpl_cnt != ha->base_qpair->cmd_cnt) {
do_heartbeat = true;
goto skip;
}
ha->base_qpair->prev_completion_cnt = cmpl_cnt;
for (i = 0; i < ha->max_qpairs; i++) {
if (ha->queue_pair_map[i]) {
cmpl_cnt = ha->queue_pair_map[i]->cmd_completion_cnt;
if (cmpl_cnt == ha->queue_pair_map[i]->prev_completion_cnt &&
cmpl_cnt != ha->queue_pair_map[i]->cmd_cnt) {
do_heartbeat = true;
break;
}
ha->queue_pair_map[i]->prev_completion_cnt = cmpl_cnt;
}
}
skip:
return do_heartbeat;
}
static void qla_heart_beat(struct scsi_qla_host *vha, u16 dpc_started)
{
struct qla_hw_data *ha = vha->hw;
if (vha->vp_idx)
return;
if (vha->hw->flags.eeh_busy || qla2x00_chip_is_down(vha))
return;
/*
* dpc thread cannot run if heartbeat is running at the same time.
* We also do not want to starve heartbeat task. Therefore, do
* heartbeat task at least once every 5 seconds.
*/
if (dpc_started &&
time_before(jiffies, ha->last_heartbeat_run_jiffies + 5 * HZ))
return;
if (qla_do_heartbeat(vha)) {
ha->last_heartbeat_run_jiffies = jiffies;
queue_work(ha->wq, &ha->heartbeat_work);
}
}
static void qla_wind_down_chip(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
if (!ha->flags.eeh_busy)
return;
if (ha->pci_error_state)
/* system is trying to recover */
return;
/*
* Current system is not handling PCIE error. At this point, this is
* best effort to wind down the adapter.
*/
if (time_after_eq(jiffies, ha->eeh_jif + ql2xdelay_before_pci_error_handling * HZ) &&
!ha->flags.eeh_flush) {
ql_log(ql_log_info, vha, 0x9009,
"PCI Error detected, attempting to reset hardware.\n");
ha->isp_ops->reset_chip(vha);
ha->isp_ops->disable_intrs(ha);
ha->flags.eeh_flush = EEH_FLUSH_RDY;
ha->eeh_jif = jiffies;
} else if (ha->flags.eeh_flush == EEH_FLUSH_RDY &&
time_after_eq(jiffies, ha->eeh_jif + 5 * HZ)) {
pci_clear_master(ha->pdev);
/* flush all command */
qla2x00_abort_isp_cleanup(vha);
ha->flags.eeh_flush = EEH_FLUSH_DONE;
ql_log(ql_log_info, vha, 0x900a,
"PCI Error handling complete, all IOs aborted.\n");
}
}
/**************************************************************************
* qla2x00_timer
*
* Description:
* One second timer
*
* Context: Interrupt
***************************************************************************/
void
qla2x00_timer(struct timer_list *t)
{
scsi_qla_host_t *vha = from_timer(vha, t, timer);
unsigned long cpu_flags = 0;
int start_dpc = 0;
int index;
srb_t *sp;
uint16_t w;
struct qla_hw_data *ha = vha->hw;
struct req_que *req;
unsigned long flags;
fc_port_t *fcport = NULL;
if (ha->flags.eeh_busy) {
qla_wind_down_chip(vha);
ql_dbg(ql_dbg_timer, vha, 0x6000,
"EEH = %d, restarting timer.\n",
ha->flags.eeh_busy);
qla2x00_restart_timer(vha, WATCH_INTERVAL);
return;
}
/*
* Hardware read to raise pending EEH errors during mailbox waits. If
* the read returns -1 then disable the board.
*/
if (!pci_channel_offline(ha->pdev)) {
pci_read_config_word(ha->pdev, PCI_VENDOR_ID, &w);
qla2x00_check_reg16_for_disconnect(vha, w);
}
/* Make sure qla82xx_watchdog is run only for physical port */
if (!vha->vp_idx && IS_P3P_TYPE(ha)) {
if (test_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags))
start_dpc++;
if (IS_QLA82XX(ha))
qla82xx_watchdog(vha);
else if (IS_QLA8044(ha))
qla8044_watchdog(vha);
}
if (!vha->vp_idx && IS_QLAFX00(ha))
qlafx00_timer_routine(vha);
if (vha->link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
vha->link_down_time++;
spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags);
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->tgt_link_down_time < QLA2XX_MAX_LINK_DOWN_TIME)
fcport->tgt_link_down_time++;
}
spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags);
/* Loop down handler. */
if (atomic_read(&vha->loop_down_timer) > 0 &&
!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) &&
!(test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags))
&& vha->flags.online) {
if (atomic_read(&vha->loop_down_timer) ==
vha->loop_down_abort_time) {
ql_log(ql_log_info, vha, 0x6008,
"Loop down - aborting the queues before time expires.\n");
if (!IS_QLA2100(ha) && vha->link_down_timeout)
atomic_set(&vha->loop_state, LOOP_DEAD);
/*
* Schedule an ISP abort to return any FCP2-device
* commands.
*/
/* NPIV - scan physical port only */
if (!vha->vp_idx) {
spin_lock_irqsave(&ha->hardware_lock,
cpu_flags);
req = ha->req_q_map[0];
for (index = 1;
index < req->num_outstanding_cmds;
index++) {
fc_port_t *sfcp;
sp = req->outstanding_cmds[index];
if (!sp)
continue;
if (sp->cmd_type != TYPE_SRB)
continue;
if (sp->type != SRB_SCSI_CMD)
continue;
sfcp = sp->fcport;
if (!(sfcp->flags & FCF_FCP2_DEVICE))
continue;
if (IS_QLA82XX(ha))
set_bit(FCOE_CTX_RESET_NEEDED,
&vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED,
&vha->dpc_flags);
break;
}
spin_unlock_irqrestore(&ha->hardware_lock,
cpu_flags);
}
start_dpc++;
}
/* if the loop has been down for 4 minutes, reinit adapter */
if (atomic_dec_and_test(&vha->loop_down_timer) != 0) {
if (!(vha->device_flags & DFLG_NO_CABLE) && !vha->vp_idx) {
ql_log(ql_log_warn, vha, 0x6009,
"Loop down - aborting ISP.\n");
if (IS_QLA82XX(ha))
set_bit(FCOE_CTX_RESET_NEEDED,
&vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED,
&vha->dpc_flags);
}
}
ql_dbg(ql_dbg_timer, vha, 0x600a,
"Loop down - seconds remaining %d.\n",
atomic_read(&vha->loop_down_timer));
}
/* Check if beacon LED needs to be blinked for physical host only */
if (!vha->vp_idx && (ha->beacon_blink_led == 1)) {
/* There is no beacon_blink function for ISP82xx */
if (!IS_P3P_TYPE(ha)) {
set_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags);
start_dpc++;
}
}
/* check if edif running */
if (vha->hw->flags.edif_enabled)
qla_edif_timer(vha);
/* Process any deferred work. */
if (!list_empty(&vha->work_list)) {
unsigned long flags;
bool q = false;
spin_lock_irqsave(&vha->work_lock, flags);
if (!test_and_set_bit(IOCB_WORK_ACTIVE, &vha->dpc_flags))
q = true;
spin_unlock_irqrestore(&vha->work_lock, flags);
if (q)
queue_work(vha->hw->wq, &vha->iocb_work);
}
/*
* FC-NVME
* see if the active AEN count has changed from what was last reported.
*/
index = atomic_read(&ha->nvme_active_aen_cnt);
if (!vha->vp_idx &&
(index != ha->nvme_last_rptd_aen) &&
ha->zio_mode == QLA_ZIO_MODE_6 &&
!ha->flags.host_shutting_down) {
ha->nvme_last_rptd_aen = atomic_read(&ha->nvme_active_aen_cnt);
ql_log(ql_log_info, vha, 0x3002,
"nvme: Sched: Set ZIO exchange threshold to %d.\n",
ha->nvme_last_rptd_aen);
set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
start_dpc++;
}
if (!vha->vp_idx &&
atomic_read(&ha->zio_threshold) != ha->last_zio_threshold &&
IS_ZIO_THRESHOLD_CAPABLE(ha)) {
ql_log(ql_log_info, vha, 0x3002,
"Sched: Set ZIO exchange threshold to %d.\n",
ha->last_zio_threshold);
ha->last_zio_threshold = atomic_read(&ha->zio_threshold);
set_bit(SET_ZIO_THRESHOLD_NEEDED, &vha->dpc_flags);
start_dpc++;
}
/* borrowing w to signify dpc will run */
w = 0;
/* Schedule the DPC routine if needed */
if ((test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags) ||
test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags) ||
start_dpc ||
test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags) ||
test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags) ||
test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags) ||
test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags) ||
test_bit(VP_DPC_NEEDED, &vha->dpc_flags) ||
test_bit(RELOGIN_NEEDED, &vha->dpc_flags) ||
test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags))) {
ql_dbg(ql_dbg_timer, vha, 0x600b,
"isp_abort_needed=%d loop_resync_needed=%d "
"fcport_update_needed=%d start_dpc=%d "
"reset_marker_needed=%d",
test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags),
test_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags),
test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags),
start_dpc,
test_bit(RESET_MARKER_NEEDED, &vha->dpc_flags));
ql_dbg(ql_dbg_timer, vha, 0x600c,
"beacon_blink_needed=%d isp_unrecoverable=%d "
"fcoe_ctx_reset_needed=%d vp_dpc_needed=%d "
"relogin_needed=%d, Process_purex_iocb=%d.\n",
test_bit(BEACON_BLINK_NEEDED, &vha->dpc_flags),
test_bit(ISP_UNRECOVERABLE, &vha->dpc_flags),
test_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags),
test_bit(VP_DPC_NEEDED, &vha->dpc_flags),
test_bit(RELOGIN_NEEDED, &vha->dpc_flags),
test_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags));
qla2xxx_wake_dpc(vha);
w = 1;
}
qla_heart_beat(vha, w);
qla2x00_restart_timer(vha, WATCH_INTERVAL);
}
/* Firmware interface routines. */
#define FW_ISP21XX 0
#define FW_ISP22XX 1
#define FW_ISP2300 2
#define FW_ISP2322 3
#define FW_ISP24XX 4
#define FW_ISP25XX 5
#define FW_ISP81XX 6
#define FW_ISP82XX 7
#define FW_ISP2031 8
#define FW_ISP8031 9
#define FW_ISP27XX 10
#define FW_ISP28XX 11
#define FW_FILE_ISP21XX "ql2100_fw.bin"
#define FW_FILE_ISP22XX "ql2200_fw.bin"
#define FW_FILE_ISP2300 "ql2300_fw.bin"
#define FW_FILE_ISP2322 "ql2322_fw.bin"
#define FW_FILE_ISP24XX "ql2400_fw.bin"
#define FW_FILE_ISP25XX "ql2500_fw.bin"
#define FW_FILE_ISP81XX "ql8100_fw.bin"
#define FW_FILE_ISP82XX "ql8200_fw.bin"
#define FW_FILE_ISP2031 "ql2600_fw.bin"
#define FW_FILE_ISP8031 "ql8300_fw.bin"
#define FW_FILE_ISP27XX "ql2700_fw.bin"
#define FW_FILE_ISP28XX "ql2800_fw.bin"
static DEFINE_MUTEX(qla_fw_lock);
static struct fw_blob qla_fw_blobs[] = {
{ .name = FW_FILE_ISP21XX, .segs = { 0x1000, 0 }, },
{ .name = FW_FILE_ISP22XX, .segs = { 0x1000, 0 }, },
{ .name = FW_FILE_ISP2300, .segs = { 0x800, 0 }, },
{ .name = FW_FILE_ISP2322, .segs = { 0x800, 0x1c000, 0x1e000, 0 }, },
{ .name = FW_FILE_ISP24XX, },
{ .name = FW_FILE_ISP25XX, },
{ .name = FW_FILE_ISP81XX, },
{ .name = FW_FILE_ISP82XX, },
{ .name = FW_FILE_ISP2031, },
{ .name = FW_FILE_ISP8031, },
{ .name = FW_FILE_ISP27XX, },
{ .name = FW_FILE_ISP28XX, },
{ .name = NULL, },
};
struct fw_blob *
qla2x00_request_firmware(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
struct fw_blob *blob;
if (IS_QLA2100(ha)) {
blob = &qla_fw_blobs[FW_ISP21XX];
} else if (IS_QLA2200(ha)) {
blob = &qla_fw_blobs[FW_ISP22XX];
} else if (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA6312(ha)) {
blob = &qla_fw_blobs[FW_ISP2300];
} else if (IS_QLA2322(ha) || IS_QLA6322(ha)) {
blob = &qla_fw_blobs[FW_ISP2322];
} else if (IS_QLA24XX_TYPE(ha)) {
blob = &qla_fw_blobs[FW_ISP24XX];
} else if (IS_QLA25XX(ha)) {
blob = &qla_fw_blobs[FW_ISP25XX];
} else if (IS_QLA81XX(ha)) {
blob = &qla_fw_blobs[FW_ISP81XX];
} else if (IS_QLA82XX(ha)) {
blob = &qla_fw_blobs[FW_ISP82XX];
} else if (IS_QLA2031(ha)) {
blob = &qla_fw_blobs[FW_ISP2031];
} else if (IS_QLA8031(ha)) {
blob = &qla_fw_blobs[FW_ISP8031];
} else if (IS_QLA27XX(ha)) {
blob = &qla_fw_blobs[FW_ISP27XX];
} else if (IS_QLA28XX(ha)) {
blob = &qla_fw_blobs[FW_ISP28XX];
} else {
return NULL;
}
if (!blob->name)
return NULL;
mutex_lock(&qla_fw_lock);
if (blob->fw)
goto out;
if (request_firmware(&blob->fw, blob->name, &ha->pdev->dev)) {
ql_log(ql_log_warn, vha, 0x0063,
"Failed to load firmware image (%s).\n", blob->name);
blob->fw = NULL;
blob = NULL;
}
out:
mutex_unlock(&qla_fw_lock);
return blob;
}
static void
qla2x00_release_firmware(void)
{
struct fw_blob *blob;
mutex_lock(&qla_fw_lock);
for (blob = qla_fw_blobs; blob->name; blob++)
release_firmware(blob->fw);
mutex_unlock(&qla_fw_lock);
}
static void qla_pci_error_cleanup(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev);
struct qla_qpair *qpair = NULL;
struct scsi_qla_host *vp, *tvp;
fc_port_t *fcport;
int i;
unsigned long flags;
ql_dbg(ql_dbg_aer, vha, 0x9000,
"%s\n", __func__);
ha->chip_reset++;
ha->base_qpair->chip_reset = ha->chip_reset;
for (i = 0; i < ha->max_qpairs; i++) {
if (ha->queue_pair_map[i])
ha->queue_pair_map[i]->chip_reset =
ha->base_qpair->chip_reset;
}
/*
* purge mailbox might take a while. Slot Reset/chip reset
* will take care of the purge
*/
mutex_lock(&ha->mq_lock);
ha->base_qpair->online = 0;
list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
qpair->online = 0;
wmb();
mutex_unlock(&ha->mq_lock);
qla2x00_mark_all_devices_lost(vha);
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
atomic_inc(&vp->vref_count);
spin_unlock_irqrestore(&ha->vport_slock, flags);
qla2x00_mark_all_devices_lost(vp);
spin_lock_irqsave(&ha->vport_slock, flags);
atomic_dec(&vp->vref_count);
}
spin_unlock_irqrestore(&ha->vport_slock, flags);
/* Clear all async request states across all VPs. */
list_for_each_entry(fcport, &vha->vp_fcports, list)
fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry_safe(vp, tvp, &ha->vp_list, list) {
atomic_inc(&vp->vref_count);
spin_unlock_irqrestore(&ha->vport_slock, flags);
list_for_each_entry(fcport, &vp->vp_fcports, list)
fcport->flags &= ~(FCF_LOGIN_NEEDED | FCF_ASYNC_SENT);
spin_lock_irqsave(&ha->vport_slock, flags);
atomic_dec(&vp->vref_count);
}
spin_unlock_irqrestore(&ha->vport_slock, flags);
}
static pci_ers_result_t
qla2xxx_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state)
{
scsi_qla_host_t *vha = pci_get_drvdata(pdev);
struct qla_hw_data *ha = vha->hw;
pci_ers_result_t ret = PCI_ERS_RESULT_NEED_RESET;
ql_log(ql_log_warn, vha, 0x9000,
"PCI error detected, state %x.\n", state);
ha->pci_error_state = QLA_PCI_ERR_DETECTED;
if (!atomic_read(&pdev->enable_cnt)) {
ql_log(ql_log_info, vha, 0xffff,
"PCI device is disabled,state %x\n", state);
ret = PCI_ERS_RESULT_NEED_RESET;
goto out;
}
switch (state) {
case pci_channel_io_normal:
qla_pci_set_eeh_busy(vha);
if (ql2xmqsupport || ql2xnvmeenable) {
set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
ret = PCI_ERS_RESULT_CAN_RECOVER;
break;
case pci_channel_io_frozen:
qla_pci_set_eeh_busy(vha);
ret = PCI_ERS_RESULT_NEED_RESET;
break;
case pci_channel_io_perm_failure:
ha->flags.pci_channel_io_perm_failure = 1;
qla2x00_abort_all_cmds(vha, DID_NO_CONNECT << 16);
if (ql2xmqsupport || ql2xnvmeenable) {
set_bit(QPAIR_ONLINE_CHECK_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
ret = PCI_ERS_RESULT_DISCONNECT;
}
out:
ql_dbg(ql_dbg_aer, vha, 0x600d,
"PCI error detected returning [%x].\n", ret);
return ret;
}
static pci_ers_result_t
qla2xxx_pci_mmio_enabled(struct pci_dev *pdev)
{
int risc_paused = 0;
uint32_t stat;
unsigned long flags;
scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
struct qla_hw_data *ha = base_vha->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
ql_log(ql_log_warn, base_vha, 0x9000,
"mmio enabled\n");
ha->pci_error_state = QLA_PCI_MMIO_ENABLED;
if (IS_QLA82XX(ha))
return PCI_ERS_RESULT_RECOVERED;
if (qla2x00_isp_reg_stat(ha)) {
ql_log(ql_log_info, base_vha, 0x803f,
"During mmio enabled, PCI/Register disconnect still detected.\n");
goto out;
}
spin_lock_irqsave(&ha->hardware_lock, flags);
if (IS_QLA2100(ha) || IS_QLA2200(ha)){
stat = rd_reg_word(&reg->hccr);
if (stat & HCCR_RISC_PAUSE)
risc_paused = 1;
} else if (IS_QLA23XX(ha)) {
stat = rd_reg_dword(&reg->u.isp2300.host_status);
if (stat & HSR_RISC_PAUSED)
risc_paused = 1;
} else if (IS_FWI2_CAPABLE(ha)) {
stat = rd_reg_dword(&reg24->host_status);
if (stat & HSRX_RISC_PAUSED)
risc_paused = 1;
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (risc_paused) {
ql_log(ql_log_info, base_vha, 0x9003,
"RISC paused -- mmio_enabled, Dumping firmware.\n");
qla2xxx_dump_fw(base_vha);
}
out:
/* set PCI_ERS_RESULT_NEED_RESET to trigger call to qla2xxx_pci_slot_reset */
ql_dbg(ql_dbg_aer, base_vha, 0x600d,
"mmio enabled returning.\n");
return PCI_ERS_RESULT_NEED_RESET;
}
static pci_ers_result_t
qla2xxx_pci_slot_reset(struct pci_dev *pdev)
{
pci_ers_result_t ret = PCI_ERS_RESULT_DISCONNECT;
scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
struct qla_hw_data *ha = base_vha->hw;
int rc;
struct qla_qpair *qpair = NULL;
ql_log(ql_log_warn, base_vha, 0x9004,
"Slot Reset.\n");
ha->pci_error_state = QLA_PCI_SLOT_RESET;
/* Workaround: qla2xxx driver which access hardware earlier
* needs error state to be pci_channel_io_online.
* Otherwise mailbox command timesout.
*/
pdev->error_state = pci_channel_io_normal;
pci_restore_state(pdev);
/* pci_restore_state() clears the saved_state flag of the device
* save restored state which resets saved_state flag
*/
pci_save_state(pdev);
if (ha->mem_only)
rc = pci_enable_device_mem(pdev);
else
rc = pci_enable_device(pdev);
if (rc) {
ql_log(ql_log_warn, base_vha, 0x9005,
"Can't re-enable PCI device after reset.\n");
goto exit_slot_reset;
}
if (ha->isp_ops->pci_config(base_vha))
goto exit_slot_reset;
mutex_lock(&ha->mq_lock);
list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
qpair->online = 1;
mutex_unlock(&ha->mq_lock);
ha->flags.eeh_busy = 0;
base_vha->flags.online = 1;
set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
ha->isp_ops->abort_isp(base_vha);
clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
if (qla2x00_isp_reg_stat(ha)) {
ha->flags.eeh_busy = 1;
qla_pci_error_cleanup(base_vha);
ql_log(ql_log_warn, base_vha, 0x9005,
"Device unable to recover from PCI error.\n");
} else {
ret = PCI_ERS_RESULT_RECOVERED;
}
exit_slot_reset:
ql_dbg(ql_dbg_aer, base_vha, 0x900e,
"Slot Reset returning %x.\n", ret);
return ret;
}
static void
qla2xxx_pci_resume(struct pci_dev *pdev)
{
scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
struct qla_hw_data *ha = base_vha->hw;
int ret;
ql_log(ql_log_warn, base_vha, 0x900f,
"Pci Resume.\n");
ret = qla2x00_wait_for_hba_online(base_vha);
if (ret != QLA_SUCCESS) {
ql_log(ql_log_fatal, base_vha, 0x9002,
"The device failed to resume I/O from slot/link_reset.\n");
}
ha->pci_error_state = QLA_PCI_RESUME;
ql_dbg(ql_dbg_aer, base_vha, 0x600d,
"Pci Resume returning.\n");
}
void qla_pci_set_eeh_busy(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
bool do_cleanup = false;
unsigned long flags;
if (ha->flags.eeh_busy)
return;
spin_lock_irqsave(&base_vha->work_lock, flags);
if (!ha->flags.eeh_busy) {
ha->eeh_jif = jiffies;
ha->flags.eeh_flush = 0;
ha->flags.eeh_busy = 1;
do_cleanup = true;
}
spin_unlock_irqrestore(&base_vha->work_lock, flags);
if (do_cleanup)
qla_pci_error_cleanup(base_vha);
}
/*
* this routine will schedule a task to pause IO from interrupt context
* if caller sees a PCIE error event (register read = 0xf's)
*/
void qla_schedule_eeh_work(struct scsi_qla_host *vha)
{
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
if (ha->flags.eeh_busy)
return;
set_bit(DO_EEH_RECOVERY, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
}
static void
qla_pci_reset_prepare(struct pci_dev *pdev)
{
scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
struct qla_hw_data *ha = base_vha->hw;
struct qla_qpair *qpair;
ql_log(ql_log_warn, base_vha, 0xffff,
"%s.\n", __func__);
/*
* PCI FLR/function reset is about to reset the
* slot. Stop the chip to stop all DMA access.
* It is assumed that pci_reset_done will be called
* after FLR to resume Chip operation.
*/
ha->flags.eeh_busy = 1;
mutex_lock(&ha->mq_lock);
list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
qpair->online = 0;
mutex_unlock(&ha->mq_lock);
set_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
qla2x00_abort_isp_cleanup(base_vha);
qla2x00_abort_all_cmds(base_vha, DID_RESET << 16);
}
static void
qla_pci_reset_done(struct pci_dev *pdev)
{
scsi_qla_host_t *base_vha = pci_get_drvdata(pdev);
struct qla_hw_data *ha = base_vha->hw;
struct qla_qpair *qpair;
ql_log(ql_log_warn, base_vha, 0xffff,
"%s.\n", __func__);
/*
* FLR just completed by PCI layer. Resume adapter
*/
ha->flags.eeh_busy = 0;
mutex_lock(&ha->mq_lock);
list_for_each_entry(qpair, &base_vha->qp_list, qp_list_elem)
qpair->online = 1;
mutex_unlock(&ha->mq_lock);
base_vha->flags.online = 1;
ha->isp_ops->abort_isp(base_vha);
clear_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags);
}
static void qla2xxx_map_queues(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = (scsi_qla_host_t *)shost->hostdata;
struct blk_mq_queue_map *qmap = &shost->tag_set.map[HCTX_TYPE_DEFAULT];
if (USER_CTRL_IRQ(vha->hw) || !vha->hw->mqiobase)
blk_mq_map_queues(qmap);
else
blk_mq_pci_map_queues(qmap, vha->hw->pdev, vha->irq_offset);
}
struct scsi_host_template qla2xxx_driver_template = {
.module = THIS_MODULE,
.name = QLA2XXX_DRIVER_NAME,
.queuecommand = qla2xxx_queuecommand,
.eh_timed_out = fc_eh_timed_out,
.eh_abort_handler = qla2xxx_eh_abort,
.eh_should_retry_cmd = fc_eh_should_retry_cmd,
.eh_device_reset_handler = qla2xxx_eh_device_reset,
.eh_target_reset_handler = qla2xxx_eh_target_reset,
.eh_bus_reset_handler = qla2xxx_eh_bus_reset,
.eh_host_reset_handler = qla2xxx_eh_host_reset,
.slave_configure = qla2xxx_slave_configure,
.slave_alloc = qla2xxx_slave_alloc,
.slave_destroy = qla2xxx_slave_destroy,
.scan_finished = qla2xxx_scan_finished,
.scan_start = qla2xxx_scan_start,
.change_queue_depth = scsi_change_queue_depth,
.map_queues = qla2xxx_map_queues,
.this_id = -1,
.cmd_per_lun = 3,
.sg_tablesize = SG_ALL,
.max_sectors = 0xFFFF,
.shost_groups = qla2x00_host_groups,
.supported_mode = MODE_INITIATOR,
.track_queue_depth = 1,
.cmd_size = sizeof(srb_t),
};
static const struct pci_error_handlers qla2xxx_err_handler = {
.error_detected = qla2xxx_pci_error_detected,
.mmio_enabled = qla2xxx_pci_mmio_enabled,
.slot_reset = qla2xxx_pci_slot_reset,
.resume = qla2xxx_pci_resume,
.reset_prepare = qla_pci_reset_prepare,
.reset_done = qla_pci_reset_done,
};
static struct pci_device_id qla2xxx_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2100) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2200) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2300) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2312) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2322) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6312) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP6322) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2422) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2432) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8432) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8031) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISPF001) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8044) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2071) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2271) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2261) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2061) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2081) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2281) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2089) },
{ PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2289) },
{ 0 },
};
MODULE_DEVICE_TABLE(pci, qla2xxx_pci_tbl);
static struct pci_driver qla2xxx_pci_driver = {
.name = QLA2XXX_DRIVER_NAME,
.driver = {
.owner = THIS_MODULE,
},
.id_table = qla2xxx_pci_tbl,
.probe = qla2x00_probe_one,
.remove = qla2x00_remove_one,
.shutdown = qla2x00_shutdown,
.err_handler = &qla2xxx_err_handler,
};
static const struct file_operations apidev_fops = {
.owner = THIS_MODULE,
.llseek = noop_llseek,
};
/**
* qla2x00_module_init - Module initialization.
**/
static int __init
qla2x00_module_init(void)
{
int ret = 0;
BUILD_BUG_ON(sizeof(cmd_a64_entry_t) != 64);
BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
BUILD_BUG_ON(sizeof(init_cb_t) != 96);
BUILD_BUG_ON(sizeof(mrk_entry_t) != 64);
BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
BUILD_BUG_ON(sizeof(request_t) != 64);
BUILD_BUG_ON(sizeof(struct abort_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct abort_iocb_entry_fx00) != 64);
BUILD_BUG_ON(sizeof(struct abts_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
BUILD_BUG_ON(sizeof(struct access_chip_rsp_84xx) != 64);
BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct ct_fdmi1_hba_attributes) != 2604);
BUILD_BUG_ON(sizeof(struct ct_fdmi2_hba_attributes) != 4424);
BUILD_BUG_ON(sizeof(struct ct_fdmi2_port_attributes) != 4164);
BUILD_BUG_ON(sizeof(struct ct_fdmi_hba_attr) != 260);
BUILD_BUG_ON(sizeof(struct ct_fdmi_port_attr) != 260);
BUILD_BUG_ON(sizeof(struct ct_rsp_hdr) != 16);
BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
BUILD_BUG_ON(sizeof(struct device_reg_24xx) != 256);
BUILD_BUG_ON(sizeof(struct device_reg_25xxmq) != 24);
BUILD_BUG_ON(sizeof(struct device_reg_2xxx) != 256);
BUILD_BUG_ON(sizeof(struct device_reg_82xx) != 1288);
BUILD_BUG_ON(sizeof(struct device_reg_fx00) != 216);
BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct els_sts_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
BUILD_BUG_ON(sizeof(struct imm_ntfy_from_isp) != 64);
BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
BUILD_BUG_ON(sizeof(struct logio_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct mbx_entry) != 64);
BUILD_BUG_ON(sizeof(struct mid_init_cb_24xx) != 5252);
BUILD_BUG_ON(sizeof(struct mrk_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct nvram_24xx) != 512);
BUILD_BUG_ON(sizeof(struct nvram_81xx) != 512);
BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
BUILD_BUG_ON(sizeof(struct pt_ls4_rx_unsol) != 64);
BUILD_BUG_ON(sizeof(struct purex_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct qla2100_fw_dump) != 123634);
BUILD_BUG_ON(sizeof(struct qla2300_fw_dump) != 136100);
BUILD_BUG_ON(sizeof(struct qla24xx_fw_dump) != 37976);
BUILD_BUG_ON(sizeof(struct qla25xx_fw_dump) != 39228);
BUILD_BUG_ON(sizeof(struct qla2xxx_fce_chain) != 52);
BUILD_BUG_ON(sizeof(struct qla2xxx_fw_dump) != 136172);
BUILD_BUG_ON(sizeof(struct qla2xxx_mq_chain) != 524);
BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_chain) != 8);
BUILD_BUG_ON(sizeof(struct qla2xxx_mqueue_header) != 12);
BUILD_BUG_ON(sizeof(struct qla2xxx_offld_chain) != 24);
BUILD_BUG_ON(sizeof(struct qla81xx_fw_dump) != 39420);
BUILD_BUG_ON(sizeof(struct qla82xx_uri_data_desc) != 28);
BUILD_BUG_ON(sizeof(struct qla82xx_uri_table_desc) != 32);
BUILD_BUG_ON(sizeof(struct qla83xx_fw_dump) != 51196);
BUILD_BUG_ON(sizeof(struct qla_fcp_prio_cfg) != FCP_PRIO_CFG_SIZE);
BUILD_BUG_ON(sizeof(struct qla_fdt_layout) != 128);
BUILD_BUG_ON(sizeof(struct qla_flt_header) != 8);
BUILD_BUG_ON(sizeof(struct qla_flt_region) != 16);
BUILD_BUG_ON(sizeof(struct qla_npiv_entry) != 24);
BUILD_BUG_ON(sizeof(struct qla_npiv_header) != 16);
BUILD_BUG_ON(sizeof(struct rdp_rsp_payload) != 336);
BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
BUILD_BUG_ON(sizeof(struct sts_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry) != 64);
BUILD_BUG_ON(sizeof(struct tsk_mgmt_entry_fx00) != 64);
BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
BUILD_BUG_ON(sizeof(struct verify_chip_rsp_84xx) != 52);
BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
BUILD_BUG_ON(sizeof(struct vp_config_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct vp_ctrl_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(struct vp_rpt_id_entry_24xx) != 64);
BUILD_BUG_ON(sizeof(sts21_entry_t) != 64);
BUILD_BUG_ON(sizeof(sts22_entry_t) != 64);
BUILD_BUG_ON(sizeof(sts_cont_entry_t) != 64);
BUILD_BUG_ON(sizeof(sts_entry_t) != 64);
BUILD_BUG_ON(sizeof(sw_info_t) != 32);
BUILD_BUG_ON(sizeof(target_id_t) != 2);
qla_trace_init();
/* Allocate cache for SRBs. */
srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
SLAB_HWCACHE_ALIGN, NULL);
if (srb_cachep == NULL) {
ql_log(ql_log_fatal, NULL, 0x0001,
"Unable to allocate SRB cache...Failing load!.\n");
return -ENOMEM;
}
/* Initialize target kmem_cache and mem_pools */
ret = qlt_init();
if (ret < 0) {
goto destroy_cache;
} else if (ret > 0) {
/*
* If initiator mode is explictly disabled by qlt_init(),
* prevent scsi_transport_fc.c:fc_scsi_scan_rport() from
* performing scsi_scan_target() during LOOP UP event.
*/
qla2xxx_transport_functions.disable_target_scan = 1;
qla2xxx_transport_vport_functions.disable_target_scan = 1;
}
/* Derive version string. */
strcpy(qla2x00_version_str, QLA2XXX_VERSION);
if (ql2xextended_error_logging)
strcat(qla2x00_version_str, "-debug");
if (ql2xextended_error_logging == 1)
ql2xextended_error_logging = QL_DBG_DEFAULT1_MASK;
qla2xxx_transport_template =
fc_attach_transport(&qla2xxx_transport_functions);
if (!qla2xxx_transport_template) {
ql_log(ql_log_fatal, NULL, 0x0002,
"fc_attach_transport failed...Failing load!.\n");
ret = -ENODEV;
goto qlt_exit;
}
apidev_major = register_chrdev(0, QLA2XXX_APIDEV, &apidev_fops);
if (apidev_major < 0) {
ql_log(ql_log_fatal, NULL, 0x0003,
"Unable to register char device %s.\n", QLA2XXX_APIDEV);
}
qla2xxx_transport_vport_template =
fc_attach_transport(&qla2xxx_transport_vport_functions);
if (!qla2xxx_transport_vport_template) {
ql_log(ql_log_fatal, NULL, 0x0004,
"fc_attach_transport vport failed...Failing load!.\n");
ret = -ENODEV;
goto unreg_chrdev;
}
ql_log(ql_log_info, NULL, 0x0005,
"QLogic Fibre Channel HBA Driver: %s.\n",
qla2x00_version_str);
ret = pci_register_driver(&qla2xxx_pci_driver);
if (ret) {
ql_log(ql_log_fatal, NULL, 0x0006,
"pci_register_driver failed...ret=%d Failing load!.\n",
ret);
goto release_vport_transport;
}
return ret;
release_vport_transport:
fc_release_transport(qla2xxx_transport_vport_template);
unreg_chrdev:
if (apidev_major >= 0)
unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
fc_release_transport(qla2xxx_transport_template);
qlt_exit:
qlt_exit();
destroy_cache:
kmem_cache_destroy(srb_cachep);
qla_trace_uninit();
return ret;
}
/**
* qla2x00_module_exit - Module cleanup.
**/
static void __exit
qla2x00_module_exit(void)
{
pci_unregister_driver(&qla2xxx_pci_driver);
qla2x00_release_firmware();
kmem_cache_destroy(ctx_cachep);
fc_release_transport(qla2xxx_transport_vport_template);
if (apidev_major >= 0)
unregister_chrdev(apidev_major, QLA2XXX_APIDEV);
fc_release_transport(qla2xxx_transport_template);
qlt_exit();
kmem_cache_destroy(srb_cachep);
qla_trace_uninit();
}
module_init(qla2x00_module_init);
module_exit(qla2x00_module_exit);
MODULE_AUTHOR("QLogic Corporation");
MODULE_DESCRIPTION("QLogic Fibre Channel HBA Driver");
MODULE_LICENSE("GPL");
MODULE_FIRMWARE(FW_FILE_ISP21XX);
MODULE_FIRMWARE(FW_FILE_ISP22XX);
MODULE_FIRMWARE(FW_FILE_ISP2300);
MODULE_FIRMWARE(FW_FILE_ISP2322);
MODULE_FIRMWARE(FW_FILE_ISP24XX);
MODULE_FIRMWARE(FW_FILE_ISP25XX);