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linuxdebug/drivers/scsi/qla2xxx/qla_isr.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 "qla_target.h"
#include "qla_gbl.h"
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/cpu.h>
#include <linux/t10-pi.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_bsg_fc.h>
#include <scsi/scsi_eh.h>
#include <scsi/fc/fc_fs.h>
#include <linux/nvme-fc-driver.h>
static void qla2x00_mbx_completion(scsi_qla_host_t *, uint16_t);
static void qla2x00_status_entry(scsi_qla_host_t *, struct rsp_que *, void *);
static void qla2x00_status_cont_entry(struct rsp_que *, sts_cont_entry_t *);
static int qla2x00_error_entry(scsi_qla_host_t *, struct rsp_que *,
sts_entry_t *);
static void qla27xx_process_purex_fpin(struct scsi_qla_host *vha,
struct purex_item *item);
static struct purex_item *qla24xx_alloc_purex_item(scsi_qla_host_t *vha,
uint16_t size);
static struct purex_item *qla24xx_copy_std_pkt(struct scsi_qla_host *vha,
void *pkt);
static struct purex_item *qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha,
void **pkt, struct rsp_que **rsp);
static void
qla27xx_process_purex_fpin(struct scsi_qla_host *vha, struct purex_item *item)
{
void *pkt = &item->iocb;
uint16_t pkt_size = item->size;
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508d,
"%s: Enter\n", __func__);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x508e,
"-------- ELS REQ -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x508f,
pkt, pkt_size);
fc_host_fpin_rcv(vha->host, pkt_size, (char *)pkt);
}
const char *const port_state_str[] = {
[FCS_UNKNOWN] = "Unknown",
[FCS_UNCONFIGURED] = "UNCONFIGURED",
[FCS_DEVICE_DEAD] = "DEAD",
[FCS_DEVICE_LOST] = "LOST",
[FCS_ONLINE] = "ONLINE"
};
static void
qla24xx_process_abts(struct scsi_qla_host *vha, struct purex_item *pkt)
{
struct abts_entry_24xx *abts =
(struct abts_entry_24xx *)&pkt->iocb;
struct qla_hw_data *ha = vha->hw;
struct els_entry_24xx *rsp_els;
struct abts_entry_24xx *abts_rsp;
dma_addr_t dma;
uint32_t fctl;
int rval;
ql_dbg(ql_dbg_init, vha, 0x0286, "%s: entered.\n", __func__);
ql_log(ql_log_warn, vha, 0x0287,
"Processing ABTS xchg=%#x oxid=%#x rxid=%#x seqid=%#x seqcnt=%#x\n",
abts->rx_xch_addr_to_abort, abts->ox_id, abts->rx_id,
abts->seq_id, abts->seq_cnt);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0287,
"-------- ABTS RCV -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0287,
(uint8_t *)abts, sizeof(*abts));
rsp_els = dma_alloc_coherent(&ha->pdev->dev, sizeof(*rsp_els), &dma,
GFP_KERNEL);
if (!rsp_els) {
ql_log(ql_log_warn, vha, 0x0287,
"Failed allocate dma buffer ABTS/ELS RSP.\n");
return;
}
/* terminate exchange */
rsp_els->entry_type = ELS_IOCB_TYPE;
rsp_els->entry_count = 1;
rsp_els->nport_handle = cpu_to_le16(~0);
rsp_els->rx_xchg_address = abts->rx_xch_addr_to_abort;
rsp_els->control_flags = cpu_to_le16(EPD_RX_XCHG);
ql_dbg(ql_dbg_init, vha, 0x0283,
"Sending ELS Response to terminate exchange %#x...\n",
abts->rx_xch_addr_to_abort);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x0283,
"-------- ELS RSP -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x0283,
(uint8_t *)rsp_els, sizeof(*rsp_els));
rval = qla2x00_issue_iocb(vha, rsp_els, dma, 0);
if (rval) {
ql_log(ql_log_warn, vha, 0x0288,
"%s: iocb failed to execute -> %x\n", __func__, rval);
} else if (rsp_els->comp_status) {
ql_log(ql_log_warn, vha, 0x0289,
"%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, 0x028a,
"%s: abort exchange done.\n", __func__);
}
/* send ABTS response */
abts_rsp = (void *)rsp_els;
memset(abts_rsp, 0, sizeof(*abts_rsp));
abts_rsp->entry_type = ABTS_RSP_TYPE;
abts_rsp->entry_count = 1;
abts_rsp->nport_handle = abts->nport_handle;
abts_rsp->vp_idx = abts->vp_idx;
abts_rsp->sof_type = abts->sof_type & 0xf0;
abts_rsp->rx_xch_addr = abts->rx_xch_addr;
abts_rsp->d_id[0] = abts->s_id[0];
abts_rsp->d_id[1] = abts->s_id[1];
abts_rsp->d_id[2] = abts->s_id[2];
abts_rsp->r_ctl = FC_ROUTING_BLD | FC_R_CTL_BLD_BA_ACC;
abts_rsp->s_id[0] = abts->d_id[0];
abts_rsp->s_id[1] = abts->d_id[1];
abts_rsp->s_id[2] = abts->d_id[2];
abts_rsp->cs_ctl = abts->cs_ctl;
/* include flipping bit23 in fctl */
fctl = ~(abts->f_ctl[2] | 0x7F) << 16 |
FC_F_CTL_LAST_SEQ | FC_F_CTL_END_SEQ | FC_F_CTL_SEQ_INIT;
abts_rsp->f_ctl[0] = fctl >> 0 & 0xff;
abts_rsp->f_ctl[1] = fctl >> 8 & 0xff;
abts_rsp->f_ctl[2] = fctl >> 16 & 0xff;
abts_rsp->type = FC_TYPE_BLD;
abts_rsp->rx_id = abts->rx_id;
abts_rsp->ox_id = abts->ox_id;
abts_rsp->payload.ba_acc.aborted_rx_id = abts->rx_id;
abts_rsp->payload.ba_acc.aborted_ox_id = abts->ox_id;
abts_rsp->payload.ba_acc.high_seq_cnt = cpu_to_le16(~0);
abts_rsp->rx_xch_addr_to_abort = abts->rx_xch_addr_to_abort;
ql_dbg(ql_dbg_init, vha, 0x028b,
"Sending BA ACC response to ABTS %#x...\n",
abts->rx_xch_addr_to_abort);
ql_dbg(ql_dbg_init + ql_dbg_verbose, vha, 0x028b,
"-------- ELS RSP -------\n");
ql_dump_buffer(ql_dbg_init + ql_dbg_verbose, vha, 0x028b,
(uint8_t *)abts_rsp, sizeof(*abts_rsp));
rval = qla2x00_issue_iocb(vha, abts_rsp, dma, 0);
if (rval) {
ql_log(ql_log_warn, vha, 0x028c,
"%s: iocb failed to execute -> %x\n", __func__, rval);
} else if (abts_rsp->comp_status) {
ql_log(ql_log_warn, vha, 0x028d,
"%s: iocb failed to complete -> completion=%#x subcode=(%#x,%#x)\n",
__func__, abts_rsp->comp_status,
abts_rsp->payload.error.subcode1,
abts_rsp->payload.error.subcode2);
} else {
ql_dbg(ql_dbg_init, vha, 0x028ea,
"%s: done.\n", __func__);
}
dma_free_coherent(&ha->pdev->dev, sizeof(*rsp_els), rsp_els, dma);
}
/**
* __qla_consume_iocb - this routine is used to tell fw driver has processed
* or consumed the head IOCB along with the continuation IOCB's from the
* provided respond queue.
* @vha: host adapter pointer
* @pkt: pointer to current packet. On return, this pointer shall move
* to the next packet.
* @rsp: respond queue pointer.
*
* it is assumed pkt is the head iocb, not the continuation iocbk
*/
void __qla_consume_iocb(struct scsi_qla_host *vha,
void **pkt, struct rsp_que **rsp)
{
struct rsp_que *rsp_q = *rsp;
response_t *new_pkt;
uint16_t entry_count_remaining;
struct purex_entry_24xx *purex = *pkt;
entry_count_remaining = purex->entry_count;
while (entry_count_remaining > 0) {
new_pkt = rsp_q->ring_ptr;
*pkt = new_pkt;
rsp_q->ring_index++;
if (rsp_q->ring_index == rsp_q->length) {
rsp_q->ring_index = 0;
rsp_q->ring_ptr = rsp_q->ring;
} else {
rsp_q->ring_ptr++;
}
new_pkt->signature = RESPONSE_PROCESSED;
/* flush signature */
wmb();
--entry_count_remaining;
}
}
/**
* __qla_copy_purex_to_buffer - extract ELS payload from Purex IOCB
* and save to provided buffer
* @vha: host adapter pointer
* @pkt: pointer Purex IOCB
* @rsp: respond queue
* @buf: extracted ELS payload copy here
* @buf_len: buffer length
*/
int __qla_copy_purex_to_buffer(struct scsi_qla_host *vha,
void **pkt, struct rsp_que **rsp, u8 *buf, u32 buf_len)
{
struct purex_entry_24xx *purex = *pkt;
struct rsp_que *rsp_q = *rsp;
sts_cont_entry_t *new_pkt;
uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0;
uint16_t buffer_copy_offset = 0;
uint16_t entry_count_remaining;
u16 tpad;
entry_count_remaining = purex->entry_count;
total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF)
- PURX_ELS_HEADER_SIZE;
/*
* end of payload may not end in 4bytes boundary. Need to
* round up / pad for room to swap, before saving data
*/
tpad = roundup(total_bytes, 4);
if (buf_len < tpad) {
ql_dbg(ql_dbg_async, vha, 0x5084,
"%s buffer is too small %d < %d\n",
__func__, buf_len, tpad);
__qla_consume_iocb(vha, pkt, rsp);
return -EIO;
}
pending_bytes = total_bytes = tpad;
no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ?
sizeof(purex->els_frame_payload) : pending_bytes;
memcpy(buf, &purex->els_frame_payload[0], no_bytes);
buffer_copy_offset += no_bytes;
pending_bytes -= no_bytes;
--entry_count_remaining;
((response_t *)purex)->signature = RESPONSE_PROCESSED;
/* flush signature */
wmb();
do {
while ((total_bytes > 0) && (entry_count_remaining > 0)) {
new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr;
*pkt = new_pkt;
if (new_pkt->entry_type != STATUS_CONT_TYPE) {
ql_log(ql_log_warn, vha, 0x507a,
"Unexpected IOCB type, partial data 0x%x\n",
buffer_copy_offset);
break;
}
rsp_q->ring_index++;
if (rsp_q->ring_index == rsp_q->length) {
rsp_q->ring_index = 0;
rsp_q->ring_ptr = rsp_q->ring;
} else {
rsp_q->ring_ptr++;
}
no_bytes = (pending_bytes > sizeof(new_pkt->data)) ?
sizeof(new_pkt->data) : pending_bytes;
if ((buffer_copy_offset + no_bytes) <= total_bytes) {
memcpy((buf + buffer_copy_offset), new_pkt->data,
no_bytes);
buffer_copy_offset += no_bytes;
pending_bytes -= no_bytes;
--entry_count_remaining;
} else {
ql_log(ql_log_warn, vha, 0x5044,
"Attempt to copy more that we got, optimizing..%x\n",
buffer_copy_offset);
memcpy((buf + buffer_copy_offset), new_pkt->data,
total_bytes - buffer_copy_offset);
}
((response_t *)new_pkt)->signature = RESPONSE_PROCESSED;
/* flush signature */
wmb();
}
if (pending_bytes != 0 || entry_count_remaining != 0) {
ql_log(ql_log_fatal, vha, 0x508b,
"Dropping partial Data, underrun bytes = 0x%x, entry cnts 0x%x\n",
total_bytes, entry_count_remaining);
return -EIO;
}
} while (entry_count_remaining > 0);
be32_to_cpu_array((u32 *)buf, (__be32 *)buf, total_bytes >> 2);
return 0;
}
/**
* qla2100_intr_handler() - Process interrupts for the ISP2100 and ISP2200.
* @irq: interrupt number
* @dev_id: SCSI driver HA context
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
qla2100_intr_handler(int irq, void *dev_id)
{
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
struct device_reg_2xxx __iomem *reg;
int status;
unsigned long iter;
uint16_t hccr;
uint16_t mb[8];
struct rsp_que *rsp;
unsigned long flags;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
ql_log(ql_log_info, NULL, 0x505d,
"%s: NULL response queue pointer.\n", __func__);
return (IRQ_NONE);
}
ha = rsp->hw;
reg = &ha->iobase->isp;
status = 0;
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
hccr = rd_reg_word(&reg->hccr);
if (qla2x00_check_reg16_for_disconnect(vha, hccr))
break;
if (hccr & HCCR_RISC_PAUSE) {
if (pci_channel_offline(ha->pdev))
break;
/*
* Issue a "HARD" reset in order for the RISC interrupt
* bit to be cleared. Schedule a big hammer to get
* out of the RISC PAUSED state.
*/
wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
rd_reg_word(&reg->hccr);
ha->isp_ops->fw_dump(vha);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
} else if ((rd_reg_word(&reg->istatus) & ISR_RISC_INT) == 0)
break;
if (rd_reg_word(&reg->semaphore) & BIT_0) {
wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
rd_reg_word(&reg->hccr);
/* Get mailbox data. */
mb[0] = RD_MAILBOX_REG(ha, reg, 0);
if (mb[0] > 0x3fff && mb[0] < 0x8000) {
qla2x00_mbx_completion(vha, mb[0]);
status |= MBX_INTERRUPT;
} else if (mb[0] > 0x7fff && mb[0] < 0xc000) {
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
mb[3] = RD_MAILBOX_REG(ha, reg, 3);
qla2x00_async_event(vha, rsp, mb);
} else {
/*EMPTY*/
ql_dbg(ql_dbg_async, vha, 0x5025,
"Unrecognized interrupt type (%d).\n",
mb[0]);
}
/* Release mailbox registers. */
wrt_reg_word(&reg->semaphore, 0);
rd_reg_word(&reg->semaphore);
} else {
qla2x00_process_response_queue(rsp);
wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
rd_reg_word(&reg->hccr);
}
}
qla2x00_handle_mbx_completion(ha, status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return (IRQ_HANDLED);
}
bool
qla2x00_check_reg32_for_disconnect(scsi_qla_host_t *vha, uint32_t reg)
{
/* Check for PCI disconnection */
if (reg == 0xffffffff && !pci_channel_offline(vha->hw->pdev)) {
if (!test_and_set_bit(PFLG_DISCONNECTED, &vha->pci_flags) &&
!test_bit(PFLG_DRIVER_REMOVING, &vha->pci_flags) &&
!test_bit(PFLG_DRIVER_PROBING, &vha->pci_flags)) {
qla_schedule_eeh_work(vha);
}
return true;
} else
return false;
}
bool
qla2x00_check_reg16_for_disconnect(scsi_qla_host_t *vha, uint16_t reg)
{
return qla2x00_check_reg32_for_disconnect(vha, 0xffff0000 | reg);
}
/**
* qla2300_intr_handler() - Process interrupts for the ISP23xx and ISP63xx.
* @irq: interrupt number
* @dev_id: SCSI driver HA context
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
qla2300_intr_handler(int irq, void *dev_id)
{
scsi_qla_host_t *vha;
struct device_reg_2xxx __iomem *reg;
int status;
unsigned long iter;
uint32_t stat;
uint16_t hccr;
uint16_t mb[8];
struct rsp_que *rsp;
struct qla_hw_data *ha;
unsigned long flags;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
ql_log(ql_log_info, NULL, 0x5058,
"%s: NULL response queue pointer.\n", __func__);
return (IRQ_NONE);
}
ha = rsp->hw;
reg = &ha->iobase->isp;
status = 0;
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
stat = rd_reg_dword(&reg->u.isp2300.host_status);
if (qla2x00_check_reg32_for_disconnect(vha, stat))
break;
if (stat & HSR_RISC_PAUSED) {
if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = rd_reg_word(&reg->hccr);
if (hccr & (BIT_15 | BIT_13 | BIT_11 | BIT_8))
ql_log(ql_log_warn, vha, 0x5026,
"Parity error -- HCCR=%x, Dumping "
"firmware.\n", hccr);
else
ql_log(ql_log_warn, vha, 0x5027,
"RISC paused -- HCCR=%x, Dumping "
"firmware.\n", hccr);
/*
* Issue a "HARD" reset in order for the RISC
* interrupt bit to be cleared. Schedule a big
* hammer to get out of the RISC PAUSED state.
*/
wrt_reg_word(&reg->hccr, HCCR_RESET_RISC);
rd_reg_word(&reg->hccr);
ha->isp_ops->fw_dump(vha);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
} else if ((stat & HSR_RISC_INT) == 0)
break;
switch (stat & 0xff) {
case 0x1:
case 0x2:
case 0x10:
case 0x11:
qla2x00_mbx_completion(vha, MSW(stat));
status |= MBX_INTERRUPT;
/* Release mailbox registers. */
wrt_reg_word(&reg->semaphore, 0);
break;
case 0x12:
mb[0] = MSW(stat);
mb[1] = RD_MAILBOX_REG(ha, reg, 1);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
mb[3] = RD_MAILBOX_REG(ha, reg, 3);
qla2x00_async_event(vha, rsp, mb);
break;
case 0x13:
qla2x00_process_response_queue(rsp);
break;
case 0x15:
mb[0] = MBA_CMPLT_1_16BIT;
mb[1] = MSW(stat);
qla2x00_async_event(vha, rsp, mb);
break;
case 0x16:
mb[0] = MBA_SCSI_COMPLETION;
mb[1] = MSW(stat);
mb[2] = RD_MAILBOX_REG(ha, reg, 2);
qla2x00_async_event(vha, rsp, mb);
break;
default:
ql_dbg(ql_dbg_async, vha, 0x5028,
"Unrecognized interrupt type (%d).\n", stat & 0xff);
break;
}
wrt_reg_word(&reg->hccr, HCCR_CLR_RISC_INT);
rd_reg_word_relaxed(&reg->hccr);
}
qla2x00_handle_mbx_completion(ha, status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return (IRQ_HANDLED);
}
/**
* qla2x00_mbx_completion() - Process mailbox command completions.
* @vha: SCSI driver HA context
* @mb0: Mailbox0 register
*/
static void
qla2x00_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
{
uint16_t cnt;
uint32_t mboxes;
__le16 __iomem *wptr;
struct qla_hw_data *ha = vha->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
/* Read all mbox registers? */
WARN_ON_ONCE(ha->mbx_count > 32);
mboxes = (1ULL << ha->mbx_count) - 1;
if (!ha->mcp)
ql_dbg(ql_dbg_async, vha, 0x5001, "MBX pointer ERROR.\n");
else
mboxes = ha->mcp->in_mb;
/* Load return mailbox registers. */
ha->flags.mbox_int = 1;
ha->mailbox_out[0] = mb0;
mboxes >>= 1;
wptr = MAILBOX_REG(ha, reg, 1);
for (cnt = 1; cnt < ha->mbx_count; cnt++) {
if (IS_QLA2200(ha) && cnt == 8)
wptr = MAILBOX_REG(ha, reg, 8);
if ((cnt == 4 || cnt == 5) && (mboxes & BIT_0))
ha->mailbox_out[cnt] = qla2x00_debounce_register(wptr);
else if (mboxes & BIT_0)
ha->mailbox_out[cnt] = rd_reg_word(wptr);
wptr++;
mboxes >>= 1;
}
}
static void
qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
{
static char *event[] =
{ "Complete", "Request Notification", "Time Extension" };
int rval;
struct device_reg_24xx __iomem *reg24 = &vha->hw->iobase->isp24;
struct device_reg_82xx __iomem *reg82 = &vha->hw->iobase->isp82;
__le16 __iomem *wptr;
uint16_t cnt, timeout, mb[QLA_IDC_ACK_REGS];
/* Seed data -- mailbox1 -> mailbox7. */
if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw))
wptr = &reg24->mailbox1;
else if (IS_QLA8044(vha->hw))
wptr = &reg82->mailbox_out[1];
else
return;
for (cnt = 0; cnt < QLA_IDC_ACK_REGS; cnt++, wptr++)
mb[cnt] = rd_reg_word(wptr);
ql_dbg(ql_dbg_async, vha, 0x5021,
"Inter-Driver Communication %s -- "
"%04x %04x %04x %04x %04x %04x %04x.\n",
event[aen & 0xff], mb[0], mb[1], mb[2], mb[3],
mb[4], mb[5], mb[6]);
switch (aen) {
/* Handle IDC Error completion case. */
case MBA_IDC_COMPLETE:
if (mb[1] >> 15) {
vha->hw->flags.idc_compl_status = 1;
if (vha->hw->notify_dcbx_comp && !vha->vp_idx)
complete(&vha->hw->dcbx_comp);
}
break;
case MBA_IDC_NOTIFY:
/* Acknowledgement needed? [Notify && non-zero timeout]. */
timeout = (descr >> 8) & 0xf;
ql_dbg(ql_dbg_async, vha, 0x5022,
"%lu Inter-Driver Communication %s -- ACK timeout=%d.\n",
vha->host_no, event[aen & 0xff], timeout);
if (!timeout)
return;
rval = qla2x00_post_idc_ack_work(vha, mb);
if (rval != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x5023,
"IDC failed to post ACK.\n");
break;
case MBA_IDC_TIME_EXT:
vha->hw->idc_extend_tmo = descr;
ql_dbg(ql_dbg_async, vha, 0x5087,
"%lu Inter-Driver Communication %s -- "
"Extend timeout by=%d.\n",
vha->host_no, event[aen & 0xff], vha->hw->idc_extend_tmo);
break;
}
}
#define LS_UNKNOWN 2
const char *
qla2x00_get_link_speed_str(struct qla_hw_data *ha, uint16_t speed)
{
static const char *const link_speeds[] = {
"1", "2", "?", "4", "8", "16", "32", "64", "10"
};
#define QLA_LAST_SPEED (ARRAY_SIZE(link_speeds) - 1)
if (IS_QLA2100(ha) || IS_QLA2200(ha))
return link_speeds[0];
else if (speed == 0x13)
return link_speeds[QLA_LAST_SPEED];
else if (speed < QLA_LAST_SPEED)
return link_speeds[speed];
else
return link_speeds[LS_UNKNOWN];
}
static void
qla83xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
{
struct qla_hw_data *ha = vha->hw;
/*
* 8200 AEN Interpretation:
* mb[0] = AEN code
* mb[1] = AEN Reason code
* mb[2] = LSW of Peg-Halt Status-1 Register
* mb[6] = MSW of Peg-Halt Status-1 Register
* mb[3] = LSW of Peg-Halt Status-2 register
* mb[7] = MSW of Peg-Halt Status-2 register
* mb[4] = IDC Device-State Register value
* mb[5] = IDC Driver-Presence Register value
*/
ql_dbg(ql_dbg_async, vha, 0x506b, "AEN Code: mb[0] = 0x%x AEN reason: "
"mb[1] = 0x%x PH-status1: mb[2] = 0x%x PH-status1: mb[6] = 0x%x.\n",
mb[0], mb[1], mb[2], mb[6]);
ql_dbg(ql_dbg_async, vha, 0x506c, "PH-status2: mb[3] = 0x%x "
"PH-status2: mb[7] = 0x%x Device-State: mb[4] = 0x%x "
"Drv-Presence: mb[5] = 0x%x.\n", mb[3], mb[7], mb[4], mb[5]);
if (mb[1] & (IDC_PEG_HALT_STATUS_CHANGE | IDC_NIC_FW_REPORTED_FAILURE |
IDC_HEARTBEAT_FAILURE)) {
ha->flags.nic_core_hung = 1;
ql_log(ql_log_warn, vha, 0x5060,
"83XX: F/W Error Reported: Check if reset required.\n");
if (mb[1] & IDC_PEG_HALT_STATUS_CHANGE) {
uint32_t protocol_engine_id, fw_err_code, err_level;
/*
* IDC_PEG_HALT_STATUS_CHANGE interpretation:
* - PEG-Halt Status-1 Register:
* (LSW = mb[2], MSW = mb[6])
* Bits 0-7 = protocol-engine ID
* Bits 8-28 = f/w error code
* Bits 29-31 = Error-level
* Error-level 0x1 = Non-Fatal error
* Error-level 0x2 = Recoverable Fatal error
* Error-level 0x4 = UnRecoverable Fatal error
* - PEG-Halt Status-2 Register:
* (LSW = mb[3], MSW = mb[7])
*/
protocol_engine_id = (mb[2] & 0xff);
fw_err_code = (((mb[2] & 0xff00) >> 8) |
((mb[6] & 0x1fff) << 8));
err_level = ((mb[6] & 0xe000) >> 13);
ql_log(ql_log_warn, vha, 0x5061, "PegHalt Status-1 "
"Register: protocol_engine_id=0x%x "
"fw_err_code=0x%x err_level=0x%x.\n",
protocol_engine_id, fw_err_code, err_level);
ql_log(ql_log_warn, vha, 0x5062, "PegHalt Status-2 "
"Register: 0x%x%x.\n", mb[7], mb[3]);
if (err_level == ERR_LEVEL_NON_FATAL) {
ql_log(ql_log_warn, vha, 0x5063,
"Not a fatal error, f/w has recovered itself.\n");
} else if (err_level == ERR_LEVEL_RECOVERABLE_FATAL) {
ql_log(ql_log_fatal, vha, 0x5064,
"Recoverable Fatal error: Chip reset "
"required.\n");
qla83xx_schedule_work(vha,
QLA83XX_NIC_CORE_RESET);
} else if (err_level == ERR_LEVEL_UNRECOVERABLE_FATAL) {
ql_log(ql_log_fatal, vha, 0x5065,
"Unrecoverable Fatal error: Set FAILED "
"state, reboot required.\n");
qla83xx_schedule_work(vha,
QLA83XX_NIC_CORE_UNRECOVERABLE);
}
}
if (mb[1] & IDC_NIC_FW_REPORTED_FAILURE) {
uint16_t peg_fw_state, nw_interface_link_up;
uint16_t nw_interface_signal_detect, sfp_status;
uint16_t htbt_counter, htbt_monitor_enable;
uint16_t sfp_additional_info, sfp_multirate;
uint16_t sfp_tx_fault, link_speed, dcbx_status;
/*
* IDC_NIC_FW_REPORTED_FAILURE interpretation:
* - PEG-to-FC Status Register:
* (LSW = mb[2], MSW = mb[6])
* Bits 0-7 = Peg-Firmware state
* Bit 8 = N/W Interface Link-up
* Bit 9 = N/W Interface signal detected
* Bits 10-11 = SFP Status
* SFP Status 0x0 = SFP+ transceiver not expected
* SFP Status 0x1 = SFP+ transceiver not present
* SFP Status 0x2 = SFP+ transceiver invalid
* SFP Status 0x3 = SFP+ transceiver present and
* valid
* Bits 12-14 = Heartbeat Counter
* Bit 15 = Heartbeat Monitor Enable
* Bits 16-17 = SFP Additional Info
* SFP info 0x0 = Unregocnized transceiver for
* Ethernet
* SFP info 0x1 = SFP+ brand validation failed
* SFP info 0x2 = SFP+ speed validation failed
* SFP info 0x3 = SFP+ access error
* Bit 18 = SFP Multirate
* Bit 19 = SFP Tx Fault
* Bits 20-22 = Link Speed
* Bits 23-27 = Reserved
* Bits 28-30 = DCBX Status
* DCBX Status 0x0 = DCBX Disabled
* DCBX Status 0x1 = DCBX Enabled
* DCBX Status 0x2 = DCBX Exchange error
* Bit 31 = Reserved
*/
peg_fw_state = (mb[2] & 0x00ff);
nw_interface_link_up = ((mb[2] & 0x0100) >> 8);
nw_interface_signal_detect = ((mb[2] & 0x0200) >> 9);
sfp_status = ((mb[2] & 0x0c00) >> 10);
htbt_counter = ((mb[2] & 0x7000) >> 12);
htbt_monitor_enable = ((mb[2] & 0x8000) >> 15);
sfp_additional_info = (mb[6] & 0x0003);
sfp_multirate = ((mb[6] & 0x0004) >> 2);
sfp_tx_fault = ((mb[6] & 0x0008) >> 3);
link_speed = ((mb[6] & 0x0070) >> 4);
dcbx_status = ((mb[6] & 0x7000) >> 12);
ql_log(ql_log_warn, vha, 0x5066,
"Peg-to-Fc Status Register:\n"
"peg_fw_state=0x%x, nw_interface_link_up=0x%x, "
"nw_interface_signal_detect=0x%x"
"\nsfp_statis=0x%x.\n ", peg_fw_state,
nw_interface_link_up, nw_interface_signal_detect,
sfp_status);
ql_log(ql_log_warn, vha, 0x5067,
"htbt_counter=0x%x, htbt_monitor_enable=0x%x, "
"sfp_additional_info=0x%x, sfp_multirate=0x%x.\n ",
htbt_counter, htbt_monitor_enable,
sfp_additional_info, sfp_multirate);
ql_log(ql_log_warn, vha, 0x5068,
"sfp_tx_fault=0x%x, link_state=0x%x, "
"dcbx_status=0x%x.\n", sfp_tx_fault, link_speed,
dcbx_status);
qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
}
if (mb[1] & IDC_HEARTBEAT_FAILURE) {
ql_log(ql_log_warn, vha, 0x5069,
"Heartbeat Failure encountered, chip reset "
"required.\n");
qla83xx_schedule_work(vha, QLA83XX_NIC_CORE_RESET);
}
}
if (mb[1] & IDC_DEVICE_STATE_CHANGE) {
ql_log(ql_log_info, vha, 0x506a,
"IDC Device-State changed = 0x%x.\n", mb[4]);
if (ha->flags.nic_core_reset_owner)
return;
qla83xx_schedule_work(vha, MBA_IDC_AEN);
}
}
int
qla2x00_is_a_vp_did(scsi_qla_host_t *vha, uint32_t rscn_entry)
{
struct qla_hw_data *ha = vha->hw;
scsi_qla_host_t *vp;
uint32_t vp_did;
unsigned long flags;
int ret = 0;
if (!ha->num_vhosts)
return ret;
spin_lock_irqsave(&ha->vport_slock, flags);
list_for_each_entry(vp, &ha->vp_list, list) {
vp_did = vp->d_id.b24;
if (vp_did == rscn_entry) {
ret = 1;
break;
}
}
spin_unlock_irqrestore(&ha->vport_slock, flags);
return ret;
}
fc_port_t *
qla2x00_find_fcport_by_loopid(scsi_qla_host_t *vha, uint16_t loop_id)
{
fc_port_t *f, *tf;
f = tf = NULL;
list_for_each_entry_safe(f, tf, &vha->vp_fcports, list)
if (f->loop_id == loop_id)
return f;
return NULL;
}
fc_port_t *
qla2x00_find_fcport_by_wwpn(scsi_qla_host_t *vha, u8 *wwpn, u8 incl_deleted)
{
fc_port_t *f, *tf;
f = tf = NULL;
list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
if (memcmp(f->port_name, wwpn, WWN_SIZE) == 0) {
if (incl_deleted)
return f;
else if (f->deleted == 0)
return f;
}
}
return NULL;
}
fc_port_t *
qla2x00_find_fcport_by_nportid(scsi_qla_host_t *vha, port_id_t *id,
u8 incl_deleted)
{
fc_port_t *f, *tf;
f = tf = NULL;
list_for_each_entry_safe(f, tf, &vha->vp_fcports, list) {
if (f->d_id.b24 == id->b24) {
if (incl_deleted)
return f;
else if (f->deleted == 0)
return f;
}
}
return NULL;
}
/* Shall be called only on supported adapters. */
static void
qla27xx_handle_8200_aen(scsi_qla_host_t *vha, uint16_t *mb)
{
struct qla_hw_data *ha = vha->hw;
bool reset_isp_needed = false;
ql_log(ql_log_warn, vha, 0x02f0,
"MPI Heartbeat stop. MPI reset is%s needed. "
"MB0[%xh] MB1[%xh] MB2[%xh] MB3[%xh]\n",
mb[1] & BIT_8 ? "" : " not",
mb[0], mb[1], mb[2], mb[3]);
if ((mb[1] & BIT_8) == 0)
return;
ql_log(ql_log_warn, vha, 0x02f1,
"MPI Heartbeat stop. FW dump needed\n");
if (ql2xfulldump_on_mpifail) {
ha->isp_ops->fw_dump(vha);
reset_isp_needed = true;
}
ha->isp_ops->mpi_fw_dump(vha, 1);
if (reset_isp_needed) {
vha->hw->flags.fw_init_done = 0;
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
}
static struct purex_item *
qla24xx_alloc_purex_item(scsi_qla_host_t *vha, uint16_t size)
{
struct purex_item *item = NULL;
uint8_t item_hdr_size = sizeof(*item);
if (size > QLA_DEFAULT_PAYLOAD_SIZE) {
item = kzalloc(item_hdr_size +
(size - QLA_DEFAULT_PAYLOAD_SIZE), GFP_ATOMIC);
} else {
if (atomic_inc_return(&vha->default_item.in_use) == 1) {
item = &vha->default_item;
goto initialize_purex_header;
} else {
item = kzalloc(item_hdr_size, GFP_ATOMIC);
}
}
if (!item) {
ql_log(ql_log_warn, vha, 0x5092,
">> Failed allocate purex list item.\n");
return NULL;
}
initialize_purex_header:
item->vha = vha;
item->size = size;
return item;
}
static void
qla24xx_queue_purex_item(scsi_qla_host_t *vha, struct purex_item *pkt,
void (*process_item)(struct scsi_qla_host *vha,
struct purex_item *pkt))
{
struct purex_list *list = &vha->purex_list;
ulong flags;
pkt->process_item = process_item;
spin_lock_irqsave(&list->lock, flags);
list_add_tail(&pkt->list, &list->head);
spin_unlock_irqrestore(&list->lock, flags);
set_bit(PROCESS_PUREX_IOCB, &vha->dpc_flags);
}
/**
* qla24xx_copy_std_pkt() - Copy over purex ELS which is
* contained in a single IOCB.
* purex packet.
* @vha: SCSI driver HA context
* @pkt: ELS packet
*/
static struct purex_item
*qla24xx_copy_std_pkt(struct scsi_qla_host *vha, void *pkt)
{
struct purex_item *item;
item = qla24xx_alloc_purex_item(vha,
QLA_DEFAULT_PAYLOAD_SIZE);
if (!item)
return item;
memcpy(&item->iocb, pkt, sizeof(item->iocb));
return item;
}
/**
* qla27xx_copy_fpin_pkt() - Copy over fpin packets that can
* span over multiple IOCBs.
* @vha: SCSI driver HA context
* @pkt: ELS packet
* @rsp: Response queue
*/
static struct purex_item *
qla27xx_copy_fpin_pkt(struct scsi_qla_host *vha, void **pkt,
struct rsp_que **rsp)
{
struct purex_entry_24xx *purex = *pkt;
struct rsp_que *rsp_q = *rsp;
sts_cont_entry_t *new_pkt;
uint16_t no_bytes = 0, total_bytes = 0, pending_bytes = 0;
uint16_t buffer_copy_offset = 0;
uint16_t entry_count, entry_count_remaining;
struct purex_item *item;
void *fpin_pkt = NULL;
total_bytes = (le16_to_cpu(purex->frame_size) & 0x0FFF)
- PURX_ELS_HEADER_SIZE;
pending_bytes = total_bytes;
entry_count = entry_count_remaining = purex->entry_count;
no_bytes = (pending_bytes > sizeof(purex->els_frame_payload)) ?
sizeof(purex->els_frame_payload) : pending_bytes;
ql_log(ql_log_info, vha, 0x509a,
"FPIN ELS, frame_size 0x%x, entry count %d\n",
total_bytes, entry_count);
item = qla24xx_alloc_purex_item(vha, total_bytes);
if (!item)
return item;
fpin_pkt = &item->iocb;
memcpy(fpin_pkt, &purex->els_frame_payload[0], no_bytes);
buffer_copy_offset += no_bytes;
pending_bytes -= no_bytes;
--entry_count_remaining;
((response_t *)purex)->signature = RESPONSE_PROCESSED;
wmb();
do {
while ((total_bytes > 0) && (entry_count_remaining > 0)) {
if (rsp_q->ring_ptr->signature == RESPONSE_PROCESSED) {
ql_dbg(ql_dbg_async, vha, 0x5084,
"Ran out of IOCBs, partial data 0x%x\n",
buffer_copy_offset);
cpu_relax();
continue;
}
new_pkt = (sts_cont_entry_t *)rsp_q->ring_ptr;
*pkt = new_pkt;
if (new_pkt->entry_type != STATUS_CONT_TYPE) {
ql_log(ql_log_warn, vha, 0x507a,
"Unexpected IOCB type, partial data 0x%x\n",
buffer_copy_offset);
break;
}
rsp_q->ring_index++;
if (rsp_q->ring_index == rsp_q->length) {
rsp_q->ring_index = 0;
rsp_q->ring_ptr = rsp_q->ring;
} else {
rsp_q->ring_ptr++;
}
no_bytes = (pending_bytes > sizeof(new_pkt->data)) ?
sizeof(new_pkt->data) : pending_bytes;
if ((buffer_copy_offset + no_bytes) <= total_bytes) {
memcpy(((uint8_t *)fpin_pkt +
buffer_copy_offset), new_pkt->data,
no_bytes);
buffer_copy_offset += no_bytes;
pending_bytes -= no_bytes;
--entry_count_remaining;
} else {
ql_log(ql_log_warn, vha, 0x5044,
"Attempt to copy more that we got, optimizing..%x\n",
buffer_copy_offset);
memcpy(((uint8_t *)fpin_pkt +
buffer_copy_offset), new_pkt->data,
total_bytes - buffer_copy_offset);
}
((response_t *)new_pkt)->signature = RESPONSE_PROCESSED;
wmb();
}
if (pending_bytes != 0 || entry_count_remaining != 0) {
ql_log(ql_log_fatal, vha, 0x508b,
"Dropping partial FPIN, underrun bytes = 0x%x, entry cnts 0x%x\n",
total_bytes, entry_count_remaining);
qla24xx_free_purex_item(item);
return NULL;
}
} while (entry_count_remaining > 0);
host_to_fcp_swap((uint8_t *)&item->iocb, total_bytes);
return item;
}
/**
* qla2x00_async_event() - Process aynchronous events.
* @vha: SCSI driver HA context
* @rsp: response queue
* @mb: Mailbox registers (0 - 3)
*/
void
qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
{
uint16_t handle_cnt;
uint16_t cnt, mbx;
uint32_t handles[5];
struct qla_hw_data *ha = vha->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24;
struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82;
uint32_t rscn_entry, host_pid;
unsigned long flags;
fc_port_t *fcport = NULL;
if (!vha->hw->flags.fw_started) {
ql_log(ql_log_warn, vha, 0x50ff,
"Dropping AEN - %04x %04x %04x %04x.\n",
mb[0], mb[1], mb[2], mb[3]);
return;
}
/* Setup to process RIO completion. */
handle_cnt = 0;
if (IS_CNA_CAPABLE(ha))
goto skip_rio;
switch (mb[0]) {
case MBA_SCSI_COMPLETION:
handles[0] = make_handle(mb[2], mb[1]);
handle_cnt = 1;
break;
case MBA_CMPLT_1_16BIT:
handles[0] = mb[1];
handle_cnt = 1;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_3_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handles[2] = mb[3];
handle_cnt = 3;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_4_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handles[2] = mb[3];
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handle_cnt = 4;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_5_16BIT:
handles[0] = mb[1];
handles[1] = mb[2];
handles[2] = mb[3];
handles[3] = (uint32_t)RD_MAILBOX_REG(ha, reg, 6);
handles[4] = (uint32_t)RD_MAILBOX_REG(ha, reg, 7);
handle_cnt = 5;
mb[0] = MBA_SCSI_COMPLETION;
break;
case MBA_CMPLT_2_32BIT:
handles[0] = make_handle(mb[2], mb[1]);
handles[1] = make_handle(RD_MAILBOX_REG(ha, reg, 7),
RD_MAILBOX_REG(ha, reg, 6));
handle_cnt = 2;
mb[0] = MBA_SCSI_COMPLETION;
break;
default:
break;
}
skip_rio:
switch (mb[0]) {
case MBA_SCSI_COMPLETION: /* Fast Post */
if (!vha->flags.online)
break;
for (cnt = 0; cnt < handle_cnt; cnt++)
qla2x00_process_completed_request(vha, rsp->req,
handles[cnt]);
break;
case MBA_RESET: /* Reset */
ql_dbg(ql_dbg_async, vha, 0x5002,
"Asynchronous RESET.\n");
set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
break;
case MBA_SYSTEM_ERR: /* System Error */
mbx = 0;
vha->hw_err_cnt++;
if (IS_QLA81XX(ha) || IS_QLA83XX(ha) ||
IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
u16 m[4];
m[0] = rd_reg_word(&reg24->mailbox4);
m[1] = rd_reg_word(&reg24->mailbox5);
m[2] = rd_reg_word(&reg24->mailbox6);
mbx = m[3] = rd_reg_word(&reg24->mailbox7);
ql_log(ql_log_warn, vha, 0x5003,
"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh mbx4=%xh mbx5=%xh mbx6=%xh mbx7=%xh.\n",
mb[1], mb[2], mb[3], m[0], m[1], m[2], m[3]);
} else
ql_log(ql_log_warn, vha, 0x5003,
"ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh.\n ",
mb[1], mb[2], mb[3]);
if ((IS_QLA27XX(ha) || IS_QLA28XX(ha)) &&
rd_reg_word(&reg24->mailbox7) & BIT_8)
ha->isp_ops->mpi_fw_dump(vha, 1);
ha->isp_ops->fw_dump(vha);
ha->flags.fw_init_done = 0;
QLA_FW_STOPPED(ha);
if (IS_FWI2_CAPABLE(ha)) {
if (mb[1] == 0 && mb[2] == 0) {
ql_log(ql_log_fatal, vha, 0x5004,
"Unrecoverable Hardware Error: adapter "
"marked OFFLINE!\n");
vha->flags.online = 0;
vha->device_flags |= DFLG_DEV_FAILED;
} else {
/* Check to see if MPI timeout occurred */
if ((mbx & MBX_3) && (ha->port_no == 0))
set_bit(MPI_RESET_NEEDED,
&vha->dpc_flags);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
}
} else if (mb[1] == 0) {
ql_log(ql_log_fatal, vha, 0x5005,
"Unrecoverable Hardware Error: adapter marked "
"OFFLINE!\n");
vha->flags.online = 0;
vha->device_flags |= DFLG_DEV_FAILED;
} else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
case MBA_REQ_TRANSFER_ERR: /* Request Transfer Error */
ql_log(ql_log_warn, vha, 0x5006,
"ISP Request Transfer Error (%x).\n", mb[1]);
vha->hw_err_cnt++;
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
case MBA_RSP_TRANSFER_ERR: /* Response Transfer Error */
ql_log(ql_log_warn, vha, 0x5007,
"ISP Response Transfer Error (%x).\n", mb[1]);
vha->hw_err_cnt++;
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
case MBA_WAKEUP_THRES: /* Request Queue Wake-up */
ql_dbg(ql_dbg_async, vha, 0x5008,
"Asynchronous WAKEUP_THRES (%x).\n", mb[1]);
break;
case MBA_LOOP_INIT_ERR:
ql_log(ql_log_warn, vha, 0x5090,
"LOOP INIT ERROR (%x).\n", mb[1]);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */
ha->flags.lip_ae = 1;
ql_dbg(ql_dbg_async, vha, 0x5009,
"LIP occurred (%x).\n", mb[1]);
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(vha);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
}
set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
vha->flags.management_server_logged_in = 0;
qla2x00_post_aen_work(vha, FCH_EVT_LIP, mb[1]);
break;
case MBA_LOOP_UP: /* Loop Up Event */
if (IS_QLA2100(ha) || IS_QLA2200(ha))
ha->link_data_rate = PORT_SPEED_1GB;
else
ha->link_data_rate = mb[1];
ql_log(ql_log_info, vha, 0x500a,
"LOOP UP detected (%s Gbps).\n",
qla2x00_get_link_speed_str(ha, ha->link_data_rate));
if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
if (mb[2] & BIT_0)
ql_log(ql_log_info, vha, 0x11a0,
"FEC=enabled (link up).\n");
}
vha->flags.management_server_logged_in = 0;
qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
if (vha->link_down_time < vha->hw->port_down_retry_count) {
vha->short_link_down_cnt++;
vha->link_down_time = QLA2XX_MAX_LINK_DOWN_TIME;
}
break;
case MBA_LOOP_DOWN: /* Loop Down Event */
SAVE_TOPO(ha);
ha->flags.lip_ae = 0;
ha->current_topology = 0;
vha->link_down_time = 0;
mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha))
? rd_reg_word(&reg24->mailbox4) : 0;
mbx = (IS_P3P_TYPE(ha)) ? rd_reg_word(&reg82->mailbox_out[4])
: mbx;
ql_log(ql_log_info, vha, 0x500b,
"LOOP DOWN detected (%x %x %x %x).\n",
mb[1], mb[2], mb[3], mbx);
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
/*
* In case of loop down, restore WWPN from
* NVRAM in case of FA-WWPN capable ISP
* Restore for Physical Port only
*/
if (!vha->vp_idx) {
if (ha->flags.fawwpn_enabled &&
(ha->current_topology == ISP_CFG_F)) {
memcpy(vha->port_name, ha->port_name, WWN_SIZE);
fc_host_port_name(vha->host) =
wwn_to_u64(vha->port_name);
ql_dbg(ql_dbg_init + ql_dbg_verbose,
vha, 0x00d8, "LOOP DOWN detected,"
"restore WWPN %016llx\n",
wwn_to_u64(vha->port_name));
}
clear_bit(VP_CONFIG_OK, &vha->vp_flags);
}
vha->device_flags |= DFLG_NO_CABLE;
qla2x00_mark_all_devices_lost(vha);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
}
vha->flags.management_server_logged_in = 0;
ha->link_data_rate = PORT_SPEED_UNKNOWN;
qla2x00_post_aen_work(vha, FCH_EVT_LINKDOWN, 0);
break;
case MBA_LIP_RESET: /* LIP reset occurred */
ql_dbg(ql_dbg_async, vha, 0x500c,
"LIP reset occurred (%x).\n", mb[1]);
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(vha);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
}
set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
ha->operating_mode = LOOP;
vha->flags.management_server_logged_in = 0;
qla2x00_post_aen_work(vha, FCH_EVT_LIPRESET, mb[1]);
break;
/* case MBA_DCBX_COMPLETE: */
case MBA_POINT_TO_POINT: /* Point-to-Point */
ha->flags.lip_ae = 0;
if (IS_QLA2100(ha))
break;
if (IS_CNA_CAPABLE(ha)) {
ql_dbg(ql_dbg_async, vha, 0x500d,
"DCBX Completed -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
if (ha->notify_dcbx_comp && !vha->vp_idx)
complete(&ha->dcbx_comp);
} else
ql_dbg(ql_dbg_async, vha, 0x500e,
"Asynchronous P2P MODE received.\n");
/*
* Until there's a transition from loop down to loop up, treat
* this as loop down only.
*/
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
if (!atomic_read(&vha->loop_down_timer))
atomic_set(&vha->loop_down_timer,
LOOP_DOWN_TIME);
if (!N2N_TOPO(ha))
qla2x00_mark_all_devices_lost(vha);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
}
if (!(test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)))
set_bit(RESET_MARKER_NEEDED, &vha->dpc_flags);
set_bit(REGISTER_FC4_NEEDED, &vha->dpc_flags);
set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
vha->flags.management_server_logged_in = 0;
break;
case MBA_CHG_IN_CONNECTION: /* Change in connection mode */
if (IS_QLA2100(ha))
break;
ql_dbg(ql_dbg_async, vha, 0x500f,
"Configuration change detected: value=%x.\n", mb[1]);
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
if (!atomic_read(&vha->loop_down_timer))
atomic_set(&vha->loop_down_timer,
LOOP_DOWN_TIME);
qla2x00_mark_all_devices_lost(vha);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport, FC_VPORT_FAILED);
}
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
break;
case MBA_PORT_UPDATE: /* Port database update */
/*
* Handle only global and vn-port update events
*
* Relevant inputs:
* mb[1] = N_Port handle of changed port
* OR 0xffff for global event
* mb[2] = New login state
* 7 = Port logged out
* mb[3] = LSB is vp_idx, 0xff = all vps
*
* Skip processing if:
* Event is global, vp_idx is NOT all vps,
* vp_idx does not match
* Event is not global, vp_idx does not match
*/
if (IS_QLA2XXX_MIDTYPE(ha) &&
((mb[1] == 0xffff && (mb[3] & 0xff) != 0xff) ||
(mb[1] != 0xffff)) && vha->vp_idx != (mb[3] & 0xff))
break;
if (mb[2] == 0x7) {
ql_dbg(ql_dbg_async, vha, 0x5010,
"Port %s %04x %04x %04x.\n",
mb[1] == 0xffff ? "unavailable" : "logout",
mb[1], mb[2], mb[3]);
if (mb[1] == 0xffff)
goto global_port_update;
if (mb[1] == NPH_SNS_LID(ha)) {
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
break;
}
/* use handle_cnt for loop id/nport handle */
if (IS_FWI2_CAPABLE(ha))
handle_cnt = NPH_SNS;
else
handle_cnt = SIMPLE_NAME_SERVER;
if (mb[1] == handle_cnt) {
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
break;
}
/* Port logout */
fcport = qla2x00_find_fcport_by_loopid(vha, mb[1]);
if (!fcport)
break;
if (atomic_read(&fcport->state) != FCS_ONLINE)
break;
ql_dbg(ql_dbg_async, vha, 0x508a,
"Marking port lost loopid=%04x portid=%06x.\n",
fcport->loop_id, fcport->d_id.b24);
if (qla_ini_mode_enabled(vha)) {
fcport->logout_on_delete = 0;
qlt_schedule_sess_for_deletion(fcport);
}
break;
global_port_update:
if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
atomic_set(&vha->loop_state, LOOP_DOWN);
atomic_set(&vha->loop_down_timer,
LOOP_DOWN_TIME);
vha->device_flags |= DFLG_NO_CABLE;
qla2x00_mark_all_devices_lost(vha);
}
if (vha->vp_idx) {
atomic_set(&vha->vp_state, VP_FAILED);
fc_vport_set_state(vha->fc_vport,
FC_VPORT_FAILED);
qla2x00_mark_all_devices_lost(vha);
}
vha->flags.management_server_logged_in = 0;
ha->link_data_rate = PORT_SPEED_UNKNOWN;
break;
}
/*
* If PORT UPDATE is global (received LIP_OCCURRED/LIP_RESET
* event etc. earlier indicating loop is down) then process
* it. Otherwise ignore it and Wait for RSCN to come in.
*/
atomic_set(&vha->loop_down_timer, 0);
if (atomic_read(&vha->loop_state) != LOOP_DOWN &&
!ha->flags.n2n_ae &&
atomic_read(&vha->loop_state) != LOOP_DEAD) {
ql_dbg(ql_dbg_async, vha, 0x5011,
"Asynchronous PORT UPDATE ignored %04x/%04x/%04x.\n",
mb[1], mb[2], mb[3]);
break;
}
ql_dbg(ql_dbg_async, vha, 0x5012,
"Port database changed %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
/*
* Mark all devices as missing so we will login again.
*/
atomic_set(&vha->loop_state, LOOP_UP);
vha->scan.scan_retry = 0;
set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags);
set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags);
set_bit(VP_CONFIG_OK, &vha->vp_flags);
break;
case MBA_RSCN_UPDATE: /* State Change Registration */
/* Check if the Vport has issued a SCR */
if (vha->vp_idx && test_bit(VP_SCR_NEEDED, &vha->vp_flags))
break;
/* Only handle SCNs for our Vport index. */
if (ha->flags.npiv_supported && vha->vp_idx != (mb[3] & 0xff))
break;
ql_log(ql_log_warn, vha, 0x5013,
"RSCN database changed -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
rscn_entry = ((mb[1] & 0xff) << 16) | mb[2];
host_pid = (vha->d_id.b.domain << 16) | (vha->d_id.b.area << 8)
| vha->d_id.b.al_pa;
if (rscn_entry == host_pid) {
ql_dbg(ql_dbg_async, vha, 0x5014,
"Ignoring RSCN update to local host "
"port ID (%06x).\n", host_pid);
break;
}
/* Ignore reserved bits from RSCN-payload. */
rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2];
/* Skip RSCNs for virtual ports on the same physical port */
if (qla2x00_is_a_vp_did(vha, rscn_entry))
break;
atomic_set(&vha->loop_down_timer, 0);
vha->flags.management_server_logged_in = 0;
{
struct event_arg ea;
memset(&ea, 0, sizeof(ea));
ea.id.b24 = rscn_entry;
ea.id.b.rsvd_1 = rscn_entry >> 24;
qla2x00_handle_rscn(vha, &ea);
qla2x00_post_aen_work(vha, FCH_EVT_RSCN, rscn_entry);
}
break;
case MBA_CONGN_NOTI_RECV:
if (!ha->flags.scm_enabled ||
mb[1] != QLA_CON_PRIMITIVE_RECEIVED)
break;
if (mb[2] == QLA_CONGESTION_ARB_WARNING) {
ql_dbg(ql_dbg_async, vha, 0x509b,
"Congestion Warning %04x %04x.\n", mb[1], mb[2]);
} else if (mb[2] == QLA_CONGESTION_ARB_ALARM) {
ql_log(ql_log_warn, vha, 0x509b,
"Congestion Alarm %04x %04x.\n", mb[1], mb[2]);
}
break;
/* case MBA_RIO_RESPONSE: */
case MBA_ZIO_RESPONSE:
ql_dbg(ql_dbg_async, vha, 0x5015,
"[R|Z]IO update completion.\n");
if (IS_FWI2_CAPABLE(ha))
qla24xx_process_response_queue(vha, rsp);
else
qla2x00_process_response_queue(rsp);
break;
case MBA_DISCARD_RND_FRAME:
ql_dbg(ql_dbg_async, vha, 0x5016,
"Discard RND Frame -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
vha->interface_err_cnt++;
break;
case MBA_TRACE_NOTIFICATION:
ql_dbg(ql_dbg_async, vha, 0x5017,
"Trace Notification -- %04x %04x.\n", mb[1], mb[2]);
break;
case MBA_ISP84XX_ALERT:
ql_dbg(ql_dbg_async, vha, 0x5018,
"ISP84XX Alert Notification -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
spin_lock_irqsave(&ha->cs84xx->access_lock, flags);
switch (mb[1]) {
case A84_PANIC_RECOVERY:
ql_log(ql_log_info, vha, 0x5019,
"Alert 84XX: panic recovery %04x %04x.\n",
mb[2], mb[3]);
break;
case A84_OP_LOGIN_COMPLETE:
ha->cs84xx->op_fw_version = mb[3] << 16 | mb[2];
ql_log(ql_log_info, vha, 0x501a,
"Alert 84XX: firmware version %x.\n",
ha->cs84xx->op_fw_version);
break;
case A84_DIAG_LOGIN_COMPLETE:
ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
ql_log(ql_log_info, vha, 0x501b,
"Alert 84XX: diagnostic firmware version %x.\n",
ha->cs84xx->diag_fw_version);
break;
case A84_GOLD_LOGIN_COMPLETE:
ha->cs84xx->diag_fw_version = mb[3] << 16 | mb[2];
ha->cs84xx->fw_update = 1;
ql_log(ql_log_info, vha, 0x501c,
"Alert 84XX: gold firmware version %x.\n",
ha->cs84xx->gold_fw_version);
break;
default:
ql_log(ql_log_warn, vha, 0x501d,
"Alert 84xx: Invalid Alert %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
}
spin_unlock_irqrestore(&ha->cs84xx->access_lock, flags);
break;
case MBA_DCBX_START:
ql_dbg(ql_dbg_async, vha, 0x501e,
"DCBX Started -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
break;
case MBA_DCBX_PARAM_UPDATE:
ql_dbg(ql_dbg_async, vha, 0x501f,
"DCBX Parameters Updated -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
break;
case MBA_FCF_CONF_ERR:
ql_dbg(ql_dbg_async, vha, 0x5020,
"FCF Configuration Error -- %04x %04x %04x.\n",
mb[1], mb[2], mb[3]);
break;
case MBA_IDC_NOTIFY:
if (IS_QLA8031(vha->hw) || IS_QLA8044(ha)) {
mb[4] = rd_reg_word(&reg24->mailbox4);
if (((mb[2] & 0x7fff) == MBC_PORT_RESET ||
(mb[2] & 0x7fff) == MBC_SET_PORT_CONFIG) &&
(mb[4] & INTERNAL_LOOPBACK_MASK) != 0) {
set_bit(ISP_QUIESCE_NEEDED, &vha->dpc_flags);
/*
* Extend loop down timer since port is active.
*/
if (atomic_read(&vha->loop_state) == LOOP_DOWN)
atomic_set(&vha->loop_down_timer,
LOOP_DOWN_TIME);
qla2xxx_wake_dpc(vha);
}
}
fallthrough;
case MBA_IDC_COMPLETE:
if (ha->notify_lb_portup_comp && !vha->vp_idx)
complete(&ha->lb_portup_comp);
fallthrough;
case MBA_IDC_TIME_EXT:
if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw) ||
IS_QLA8044(ha))
qla81xx_idc_event(vha, mb[0], mb[1]);
break;
case MBA_IDC_AEN:
if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
vha->hw_err_cnt++;
qla27xx_handle_8200_aen(vha, mb);
} else if (IS_QLA83XX(ha)) {
mb[4] = rd_reg_word(&reg24->mailbox4);
mb[5] = rd_reg_word(&reg24->mailbox5);
mb[6] = rd_reg_word(&reg24->mailbox6);
mb[7] = rd_reg_word(&reg24->mailbox7);
qla83xx_handle_8200_aen(vha, mb);
} else {
ql_dbg(ql_dbg_async, vha, 0x5052,
"skip Heartbeat processing mb0-3=[0x%04x] [0x%04x] [0x%04x] [0x%04x]\n",
mb[0], mb[1], mb[2], mb[3]);
}
break;
case MBA_DPORT_DIAGNOSTICS:
if ((mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_NOERR ||
(mb[1] & 0xF) == AEN_DONE_DIAG_TEST_WITH_ERR)
vha->dport_status &= ~DPORT_DIAG_IN_PROGRESS;
ql_dbg(ql_dbg_async, vha, 0x5052,
"D-Port Diagnostics: %04x %04x %04x %04x\n",
mb[0], mb[1], mb[2], mb[3]);
memcpy(vha->dport_data, mb, sizeof(vha->dport_data));
if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
static char *results[] = {
"start", "done(pass)", "done(error)", "undefined" };
static char *types[] = {
"none", "dynamic", "static", "other" };
uint result = mb[1] >> 0 & 0x3;
uint type = mb[1] >> 6 & 0x3;
uint sw = mb[1] >> 15 & 0x1;
ql_dbg(ql_dbg_async, vha, 0x5052,
"D-Port Diagnostics: result=%s type=%s [sw=%u]\n",
results[result], types[type], sw);
if (result == 2) {
static char *reasons[] = {
"reserved", "unexpected reject",
"unexpected phase", "retry exceeded",
"timed out", "not supported",
"user stopped" };
uint reason = mb[2] >> 0 & 0xf;
uint phase = mb[2] >> 12 & 0xf;
ql_dbg(ql_dbg_async, vha, 0x5052,
"D-Port Diagnostics: reason=%s phase=%u \n",
reason < 7 ? reasons[reason] : "other",
phase >> 1);
}
}
break;
case MBA_TEMPERATURE_ALERT:
ql_dbg(ql_dbg_async, vha, 0x505e,
"TEMPERATURE ALERT: %04x %04x %04x\n", mb[1], mb[2], mb[3]);
break;
case MBA_TRANS_INSERT:
ql_dbg(ql_dbg_async, vha, 0x5091,
"Transceiver Insertion: %04x\n", mb[1]);
set_bit(DETECT_SFP_CHANGE, &vha->dpc_flags);
break;
case MBA_TRANS_REMOVE:
ql_dbg(ql_dbg_async, vha, 0x5091, "Transceiver Removal\n");
break;
default:
ql_dbg(ql_dbg_async, vha, 0x5057,
"Unknown AEN:%04x %04x %04x %04x\n",
mb[0], mb[1], mb[2], mb[3]);
}
qlt_async_event(mb[0], vha, mb);
if (!vha->vp_idx && ha->num_vhosts)
qla2x00_alert_all_vps(rsp, mb);
}
/**
* qla2x00_process_completed_request() - Process a Fast Post response.
* @vha: SCSI driver HA context
* @req: request queue
* @index: SRB index
*/
void
qla2x00_process_completed_request(struct scsi_qla_host *vha,
struct req_que *req, uint32_t index)
{
srb_t *sp;
struct qla_hw_data *ha = vha->hw;
/* Validate handle. */
if (index >= req->num_outstanding_cmds) {
ql_log(ql_log_warn, vha, 0x3014,
"Invalid SCSI command index (%x).\n", index);
if (IS_P3P_TYPE(ha))
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
return;
}
sp = req->outstanding_cmds[index];
if (sp) {
/* Free outstanding command slot. */
req->outstanding_cmds[index] = NULL;
/* Save ISP completion status */
sp->done(sp, DID_OK << 16);
} else {
ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n");
if (IS_P3P_TYPE(ha))
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
}
}
static srb_t *
qla_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
struct req_que *req, void *iocb, u16 *ret_index)
{
struct qla_hw_data *ha = vha->hw;
sts_entry_t *pkt = iocb;
srb_t *sp;
uint16_t index;
if (pkt->handle == QLA_SKIP_HANDLE)
return NULL;
index = LSW(pkt->handle);
if (index >= req->num_outstanding_cmds) {
ql_log(ql_log_warn, vha, 0x5031,
"%s: Invalid command index (%x) type %8ph.\n",
func, index, iocb);
if (IS_P3P_TYPE(ha))
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
return NULL;
}
sp = req->outstanding_cmds[index];
if (!sp) {
ql_log(ql_log_warn, vha, 0x5032,
"%s: Invalid completion handle (%x) -- timed-out.\n",
func, index);
return NULL;
}
if (sp->handle != index) {
ql_log(ql_log_warn, vha, 0x5033,
"%s: SRB handle (%x) mismatch %x.\n", func,
sp->handle, index);
return NULL;
}
*ret_index = index;
qla_put_fw_resources(sp->qpair, &sp->iores);
return sp;
}
srb_t *
qla2x00_get_sp_from_handle(scsi_qla_host_t *vha, const char *func,
struct req_que *req, void *iocb)
{
uint16_t index;
srb_t *sp;
sp = qla_get_sp_from_handle(vha, func, req, iocb, &index);
if (sp)
req->outstanding_cmds[index] = NULL;
return sp;
}
static void
qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
struct mbx_entry *mbx)
{
const char func[] = "MBX-IOCB";
const char *type;
fc_port_t *fcport;
srb_t *sp;
struct srb_iocb *lio;
uint16_t *data;
uint16_t status;
sp = qla2x00_get_sp_from_handle(vha, func, req, mbx);
if (!sp)
return;
lio = &sp->u.iocb_cmd;
type = sp->name;
fcport = sp->fcport;
data = lio->u.logio.data;
data[0] = MBS_COMMAND_ERROR;
data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
QLA_LOGIO_LOGIN_RETRIED : 0;
if (mbx->entry_status) {
ql_dbg(ql_dbg_async, vha, 0x5043,
"Async-%s error entry - hdl=%x portid=%02x%02x%02x "
"entry-status=%x status=%x state-flag=%x "
"status-flags=%x.\n", type, sp->handle,
fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa, mbx->entry_status,
le16_to_cpu(mbx->status), le16_to_cpu(mbx->state_flags),
le16_to_cpu(mbx->status_flags));
ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5029,
mbx, sizeof(*mbx));
goto logio_done;
}
status = le16_to_cpu(mbx->status);
if (status == 0x30 && sp->type == SRB_LOGIN_CMD &&
le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE)
status = 0;
if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) {
ql_dbg(ql_dbg_async, vha, 0x5045,
"Async-%s complete - hdl=%x portid=%02x%02x%02x mbx1=%x.\n",
type, sp->handle, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa,
le16_to_cpu(mbx->mb1));
data[0] = MBS_COMMAND_COMPLETE;
if (sp->type == SRB_LOGIN_CMD) {
fcport->port_type = FCT_TARGET;
if (le16_to_cpu(mbx->mb1) & BIT_0)
fcport->port_type = FCT_INITIATOR;
else if (le16_to_cpu(mbx->mb1) & BIT_1)
fcport->flags |= FCF_FCP2_DEVICE;
}
goto logio_done;
}
data[0] = le16_to_cpu(mbx->mb0);
switch (data[0]) {
case MBS_PORT_ID_USED:
data[1] = le16_to_cpu(mbx->mb1);
break;
case MBS_LOOP_ID_USED:
break;
default:
data[0] = MBS_COMMAND_ERROR;
break;
}
ql_log(ql_log_warn, vha, 0x5046,
"Async-%s failed - hdl=%x portid=%02x%02x%02x status=%x "
"mb0=%x mb1=%x mb2=%x mb6=%x mb7=%x.\n", type, sp->handle,
fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa,
status, le16_to_cpu(mbx->mb0), le16_to_cpu(mbx->mb1),
le16_to_cpu(mbx->mb2), le16_to_cpu(mbx->mb6),
le16_to_cpu(mbx->mb7));
logio_done:
sp->done(sp, 0);
}
static void
qla24xx_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
struct mbx_24xx_entry *pkt)
{
const char func[] = "MBX-IOCB2";
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
struct srb_iocb *si;
u16 sz, i;
int res;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
if (sp->type == SRB_SCSI_CMD ||
sp->type == SRB_NVME_CMD ||
sp->type == SRB_TM_CMD) {
ql_log(ql_log_warn, vha, 0x509d,
"Inconsistent event entry type %d\n", sp->type);
if (IS_P3P_TYPE(ha))
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
return;
}
si = &sp->u.iocb_cmd;
sz = min(ARRAY_SIZE(pkt->mb), ARRAY_SIZE(sp->u.iocb_cmd.u.mbx.in_mb));
for (i = 0; i < sz; i++)
si->u.mbx.in_mb[i] = pkt->mb[i];
res = (si->u.mbx.in_mb[0] & MBS_MASK);
sp->done(sp, res);
}
static void
qla24xxx_nack_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
struct nack_to_isp *pkt)
{
const char func[] = "nack";
srb_t *sp;
int res = 0;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
if (pkt->u.isp2x.status != cpu_to_le16(NOTIFY_ACK_SUCCESS))
res = QLA_FUNCTION_FAILED;
sp->done(sp, res);
}
static void
qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req,
sts_entry_t *pkt, int iocb_type)
{
const char func[] = "CT_IOCB";
const char *type;
srb_t *sp;
struct bsg_job *bsg_job;
struct fc_bsg_reply *bsg_reply;
uint16_t comp_status;
int res = 0;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
switch (sp->type) {
case SRB_CT_CMD:
bsg_job = sp->u.bsg_job;
bsg_reply = bsg_job->reply;
type = "ct pass-through";
comp_status = le16_to_cpu(pkt->comp_status);
/*
* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
* fc payload to the caller
*/
bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
if (comp_status != CS_COMPLETE) {
if (comp_status == CS_DATA_UNDERRUN) {
res = DID_OK << 16;
bsg_reply->reply_payload_rcv_len =
le16_to_cpu(pkt->rsp_info_len);
ql_log(ql_log_warn, vha, 0x5048,
"CT pass-through-%s error comp_status=0x%x total_byte=0x%x.\n",
type, comp_status,
bsg_reply->reply_payload_rcv_len);
} else {
ql_log(ql_log_warn, vha, 0x5049,
"CT pass-through-%s error comp_status=0x%x.\n",
type, comp_status);
res = DID_ERROR << 16;
bsg_reply->reply_payload_rcv_len = 0;
}
ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035,
pkt, sizeof(*pkt));
} else {
res = DID_OK << 16;
bsg_reply->reply_payload_rcv_len =
bsg_job->reply_payload.payload_len;
bsg_job->reply_len = 0;
}
break;
case SRB_CT_PTHRU_CMD:
/*
* borrowing sts_entry_24xx.comp_status.
* same location as ct_entry_24xx.comp_status
*/
res = qla2x00_chk_ms_status(vha, (ms_iocb_entry_t *)pkt,
(struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
sp->name);
break;
}
sp->done(sp, res);
}
static void
qla24xx_els_ct_entry(scsi_qla_host_t *v, struct req_que *req,
struct sts_entry_24xx *pkt, int iocb_type)
{
struct els_sts_entry_24xx *ese = (struct els_sts_entry_24xx *)pkt;
const char func[] = "ELS_CT_IOCB";
const char *type;
srb_t *sp;
struct bsg_job *bsg_job;
struct fc_bsg_reply *bsg_reply;
uint16_t comp_status;
uint32_t fw_status[3];
int res, logit = 1;
struct srb_iocb *els;
uint n;
scsi_qla_host_t *vha;
struct els_sts_entry_24xx *e = (struct els_sts_entry_24xx *)pkt;
sp = qla2x00_get_sp_from_handle(v, func, req, pkt);
if (!sp)
return;
bsg_job = sp->u.bsg_job;
vha = sp->vha;
type = NULL;
comp_status = fw_status[0] = le16_to_cpu(pkt->comp_status);
fw_status[1] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_1);
fw_status[2] = le32_to_cpu(((struct els_sts_entry_24xx *)pkt)->error_subcode_2);
switch (sp->type) {
case SRB_ELS_CMD_RPT:
case SRB_ELS_CMD_HST:
type = "rpt hst";
break;
case SRB_ELS_CMD_HST_NOLOGIN:
type = "els";
{
struct els_entry_24xx *els = (void *)pkt;
struct qla_bsg_auth_els_request *p =
(struct qla_bsg_auth_els_request *)bsg_job->request;
ql_dbg(ql_dbg_user, vha, 0x700f,
"%s %s. portid=%02x%02x%02x status %x xchg %x bsg ptr %p\n",
__func__, sc_to_str(p->e.sub_cmd),
e->d_id[2], e->d_id[1], e->d_id[0],
comp_status, p->e.extra_rx_xchg_address, bsg_job);
if (!(le16_to_cpu(els->control_flags) & ECF_PAYLOAD_DESCR_MASK)) {
if (sp->remap.remapped) {
n = sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt,
sp->remap.rsp.buf,
sp->remap.rsp.len);
ql_dbg(ql_dbg_user + ql_dbg_verbose, vha, 0x700e,
"%s: SG copied %x of %x\n",
__func__, n, sp->remap.rsp.len);
} else {
ql_dbg(ql_dbg_user, vha, 0x700f,
"%s: NOT REMAPPED (error)...!!!\n",
__func__);
}
}
}
break;
case SRB_CT_CMD:
type = "ct pass-through";
break;
case SRB_ELS_DCMD:
type = "Driver ELS logo";
if (iocb_type != ELS_IOCB_TYPE) {
ql_dbg(ql_dbg_user, vha, 0x5047,
"Completing %s: (%p) type=%d.\n",
type, sp, sp->type);
sp->done(sp, 0);
return;
}
break;
case SRB_CT_PTHRU_CMD:
/* borrowing sts_entry_24xx.comp_status.
same location as ct_entry_24xx.comp_status
*/
res = qla2x00_chk_ms_status(sp->vha, (ms_iocb_entry_t *)pkt,
(struct ct_sns_rsp *)sp->u.iocb_cmd.u.ctarg.rsp,
sp->name);
sp->done(sp, res);
return;
default:
ql_dbg(ql_dbg_user, vha, 0x503e,
"Unrecognized SRB: (%p) type=%d.\n", sp, sp->type);
return;
}
if (iocb_type == ELS_IOCB_TYPE) {
els = &sp->u.iocb_cmd;
els->u.els_plogi.fw_status[0] = cpu_to_le32(fw_status[0]);
els->u.els_plogi.fw_status[1] = cpu_to_le32(fw_status[1]);
els->u.els_plogi.fw_status[2] = cpu_to_le32(fw_status[2]);
els->u.els_plogi.comp_status = cpu_to_le16(fw_status[0]);
if (comp_status == CS_COMPLETE) {
res = DID_OK << 16;
} else {
if (comp_status == CS_DATA_UNDERRUN) {
res = DID_OK << 16;
els->u.els_plogi.len = cpu_to_le16(le32_to_cpu(
ese->total_byte_count));
if (sp->remap.remapped &&
((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_ACC) {
ql_dbg(ql_dbg_user, vha, 0x503f,
"%s IOCB Done LS_ACC %02x%02x%02x -> %02x%02x%02x",
__func__, e->s_id[0], e->s_id[2], e->s_id[1],
e->d_id[2], e->d_id[1], e->d_id[0]);
logit = 0;
}
} else if (comp_status == CS_PORT_LOGGED_OUT) {
ql_dbg(ql_dbg_disc, vha, 0x911e,
"%s %d schedule session deletion\n",
__func__, __LINE__);
els->u.els_plogi.len = 0;
res = DID_IMM_RETRY << 16;
qlt_schedule_sess_for_deletion(sp->fcport);
} else {
els->u.els_plogi.len = 0;
res = DID_ERROR << 16;
}
if (sp->remap.remapped &&
((u8 *)sp->remap.rsp.buf)[0] == ELS_LS_RJT) {
if (logit) {
ql_dbg(ql_dbg_user, vha, 0x503f,
"%s IOCB Done LS_RJT hdl=%x comp_status=0x%x\n",
type, sp->handle, comp_status);
ql_dbg(ql_dbg_user, vha, 0x503f,
"subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
fw_status[1], fw_status[2],
le32_to_cpu(((struct els_sts_entry_24xx *)
pkt)->total_byte_count),
e->s_id[0], e->s_id[2], e->s_id[1],
e->d_id[2], e->d_id[1], e->d_id[0]);
}
if (sp->fcport && sp->fcport->flags & FCF_FCSP_DEVICE &&
sp->type == SRB_ELS_CMD_HST_NOLOGIN) {
ql_dbg(ql_dbg_edif, vha, 0x911e,
"%s rcv reject. Sched delete\n", __func__);
qlt_schedule_sess_for_deletion(sp->fcport);
}
} else if (logit) {
ql_log(ql_log_info, vha, 0x503f,
"%s IOCB Done hdl=%x comp_status=0x%x\n",
type, sp->handle, comp_status);
ql_log(ql_log_info, vha, 0x503f,
"subcode 1=0x%x subcode 2=0x%x bytes=0x%x %02x%02x%02x -> %02x%02x%02x\n",
fw_status[1], fw_status[2],
le32_to_cpu(((struct els_sts_entry_24xx *)
pkt)->total_byte_count),
e->s_id[0], e->s_id[2], e->s_id[1],
e->d_id[2], e->d_id[1], e->d_id[0]);
}
}
goto els_ct_done;
}
/* return FC_CTELS_STATUS_OK and leave the decoding of the ELS/CT
* fc payload to the caller
*/
bsg_job = sp->u.bsg_job;
bsg_reply = bsg_job->reply;
bsg_reply->reply_data.ctels_reply.status = FC_CTELS_STATUS_OK;
bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(fw_status);
if (comp_status != CS_COMPLETE) {
if (comp_status == CS_DATA_UNDERRUN) {
res = DID_OK << 16;
bsg_reply->reply_payload_rcv_len =
le32_to_cpu(ese->total_byte_count);
ql_dbg(ql_dbg_user, vha, 0x503f,
"ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
"error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n",
type, sp->handle, comp_status, fw_status[1], fw_status[2],
le32_to_cpu(ese->total_byte_count));
} else {
ql_dbg(ql_dbg_user, vha, 0x5040,
"ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x "
"error subcode 1=0x%x error subcode 2=0x%x.\n",
type, sp->handle, comp_status,
le32_to_cpu(ese->error_subcode_1),
le32_to_cpu(ese->error_subcode_2));
res = DID_ERROR << 16;
bsg_reply->reply_payload_rcv_len = 0;
}
memcpy(bsg_job->reply + sizeof(struct fc_bsg_reply),
fw_status, sizeof(fw_status));
ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056,
pkt, sizeof(*pkt));
}
else {
res = DID_OK << 16;
bsg_reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
bsg_job->reply_len = 0;
}
els_ct_done:
sp->done(sp, res);
}
static void
qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req,
struct logio_entry_24xx *logio)
{
const char func[] = "LOGIO-IOCB";
const char *type;
fc_port_t *fcport;
srb_t *sp;
struct srb_iocb *lio;
uint16_t *data;
uint32_t iop[2];
int logit = 1;
sp = qla2x00_get_sp_from_handle(vha, func, req, logio);
if (!sp)
return;
lio = &sp->u.iocb_cmd;
type = sp->name;
fcport = sp->fcport;
data = lio->u.logio.data;
data[0] = MBS_COMMAND_ERROR;
data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ?
QLA_LOGIO_LOGIN_RETRIED : 0;
if (logio->entry_status) {
ql_log(ql_log_warn, fcport->vha, 0x5034,
"Async-%s error entry - %8phC hdl=%x"
"portid=%02x%02x%02x entry-status=%x.\n",
type, fcport->port_name, sp->handle, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa,
logio->entry_status);
ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d,
logio, sizeof(*logio));
goto logio_done;
}
if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) {
ql_dbg(ql_dbg_async, sp->vha, 0x5036,
"Async-%s complete: handle=%x pid=%06x wwpn=%8phC iop0=%x\n",
type, sp->handle, fcport->d_id.b24, fcport->port_name,
le32_to_cpu(logio->io_parameter[0]));
vha->hw->exch_starvation = 0;
data[0] = MBS_COMMAND_COMPLETE;
if (sp->type == SRB_PRLI_CMD) {
lio->u.logio.iop[0] =
le32_to_cpu(logio->io_parameter[0]);
lio->u.logio.iop[1] =
le32_to_cpu(logio->io_parameter[1]);
goto logio_done;
}
if (sp->type != SRB_LOGIN_CMD)
goto logio_done;
lio->u.logio.iop[1] = le32_to_cpu(logio->io_parameter[5]);
if (le32_to_cpu(logio->io_parameter[5]) & LIO_COMM_FEAT_FCSP)
fcport->flags |= FCF_FCSP_DEVICE;
iop[0] = le32_to_cpu(logio->io_parameter[0]);
if (iop[0] & BIT_4) {
fcport->port_type = FCT_TARGET;
if (iop[0] & BIT_8)
fcport->flags |= FCF_FCP2_DEVICE;
} else if (iop[0] & BIT_5)
fcport->port_type = FCT_INITIATOR;
if (iop[0] & BIT_7)
fcport->flags |= FCF_CONF_COMP_SUPPORTED;
if (logio->io_parameter[7] || logio->io_parameter[8])
fcport->supported_classes |= FC_COS_CLASS2;
if (logio->io_parameter[9] || logio->io_parameter[10])
fcport->supported_classes |= FC_COS_CLASS3;
goto logio_done;
}
iop[0] = le32_to_cpu(logio->io_parameter[0]);
iop[1] = le32_to_cpu(logio->io_parameter[1]);
lio->u.logio.iop[0] = iop[0];
lio->u.logio.iop[1] = iop[1];
switch (iop[0]) {
case LSC_SCODE_PORTID_USED:
data[0] = MBS_PORT_ID_USED;
data[1] = LSW(iop[1]);
logit = 0;
break;
case LSC_SCODE_NPORT_USED:
data[0] = MBS_LOOP_ID_USED;
logit = 0;
break;
case LSC_SCODE_CMD_FAILED:
if (iop[1] == 0x0606) {
/*
* PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI,
* Target side acked.
*/
data[0] = MBS_COMMAND_COMPLETE;
goto logio_done;
}
data[0] = MBS_COMMAND_ERROR;
break;
case LSC_SCODE_NOXCB:
vha->hw->exch_starvation++;
if (vha->hw->exch_starvation > 5) {
ql_log(ql_log_warn, vha, 0xd046,
"Exchange starvation. Resetting RISC\n");
vha->hw->exch_starvation = 0;
if (IS_P3P_TYPE(vha->hw))
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
fallthrough;
default:
data[0] = MBS_COMMAND_ERROR;
break;
}
if (logit)
ql_log(ql_log_warn, sp->vha, 0x5037, "Async-%s failed: "
"handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
type, sp->handle, fcport->d_id.b24, fcport->port_name,
le16_to_cpu(logio->comp_status),
le32_to_cpu(logio->io_parameter[0]),
le32_to_cpu(logio->io_parameter[1]));
else
ql_dbg(ql_dbg_disc, sp->vha, 0x5037, "Async-%s failed: "
"handle=%x pid=%06x wwpn=%8phC comp_status=%x iop0=%x iop1=%x\n",
type, sp->handle, fcport->d_id.b24, fcport->port_name,
le16_to_cpu(logio->comp_status),
le32_to_cpu(logio->io_parameter[0]),
le32_to_cpu(logio->io_parameter[1]));
logio_done:
sp->done(sp, 0);
}
static void
qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, void *tsk)
{
const char func[] = "TMF-IOCB";
const char *type;
fc_port_t *fcport;
srb_t *sp;
struct srb_iocb *iocb;
struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
u16 comp_status;
sp = qla2x00_get_sp_from_handle(vha, func, req, tsk);
if (!sp)
return;
comp_status = le16_to_cpu(sts->comp_status);
iocb = &sp->u.iocb_cmd;
type = sp->name;
fcport = sp->fcport;
iocb->u.tmf.data = QLA_SUCCESS;
if (sts->entry_status) {
ql_log(ql_log_warn, fcport->vha, 0x5038,
"Async-%s error - hdl=%x entry-status(%x).\n",
type, sp->handle, sts->entry_status);
iocb->u.tmf.data = QLA_FUNCTION_FAILED;
} else if (sts->comp_status != cpu_to_le16(CS_COMPLETE)) {
ql_log(ql_log_warn, fcport->vha, 0x5039,
"Async-%s error - hdl=%x completion status(%x).\n",
type, sp->handle, comp_status);
iocb->u.tmf.data = QLA_FUNCTION_FAILED;
} else if ((le16_to_cpu(sts->scsi_status) &
SS_RESPONSE_INFO_LEN_VALID)) {
host_to_fcp_swap(sts->data, sizeof(sts->data));
if (le32_to_cpu(sts->rsp_data_len) < 4) {
ql_log(ql_log_warn, fcport->vha, 0x503b,
"Async-%s error - hdl=%x not enough response(%d).\n",
type, sp->handle, sts->rsp_data_len);
} else if (sts->data[3]) {
ql_log(ql_log_warn, fcport->vha, 0x503c,
"Async-%s error - hdl=%x response(%x).\n",
type, sp->handle, sts->data[3]);
iocb->u.tmf.data = QLA_FUNCTION_FAILED;
}
}
switch (comp_status) {
case CS_PORT_LOGGED_OUT:
case CS_PORT_CONFIG_CHG:
case CS_PORT_BUSY:
case CS_INCOMPLETE:
case CS_PORT_UNAVAILABLE:
case CS_RESET:
if (atomic_read(&fcport->state) == FCS_ONLINE) {
ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
"-Port to be marked lost on fcport=%02x%02x%02x, current port state= %s comp_status %x.\n",
fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa,
port_state_str[FCS_ONLINE],
comp_status);
qlt_schedule_sess_for_deletion(fcport);
}
break;
default:
break;
}
if (iocb->u.tmf.data != QLA_SUCCESS)
ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, sp->vha, 0x5055,
sts, sizeof(*sts));
sp->done(sp, 0);
}
static void qla24xx_nvme_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
void *tsk, srb_t *sp)
{
fc_port_t *fcport;
struct srb_iocb *iocb;
struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk;
uint16_t state_flags;
struct nvmefc_fcp_req *fd;
uint16_t ret = QLA_SUCCESS;
__le16 comp_status = sts->comp_status;
int logit = 0;
iocb = &sp->u.iocb_cmd;
fcport = sp->fcport;
iocb->u.nvme.comp_status = comp_status;
state_flags = le16_to_cpu(sts->state_flags);
fd = iocb->u.nvme.desc;
if (unlikely(iocb->u.nvme.aen_op))
atomic_dec(&sp->vha->hw->nvme_active_aen_cnt);
else
sp->qpair->cmd_completion_cnt++;
if (unlikely(comp_status != CS_COMPLETE))
logit = 1;
fd->transferred_length = fd->payload_length -
le32_to_cpu(sts->residual_len);
/*
* State flags: Bit 6 and 0.
* If 0 is set, we don't care about 6.
* both cases resp was dma'd to host buffer
* if both are 0, that is good path case.
* if six is set and 0 is clear, we need to
* copy resp data from status iocb to resp buffer.
*/
if (!(state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP))) {
iocb->u.nvme.rsp_pyld_len = 0;
} else if ((state_flags & (SF_FCP_RSP_DMA | SF_NVME_ERSP)) ==
(SF_FCP_RSP_DMA | SF_NVME_ERSP)) {
/* Response already DMA'd to fd->rspaddr. */
iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
} else if ((state_flags & SF_FCP_RSP_DMA)) {
/*
* Non-zero value in first 12 bytes of NVMe_RSP IU, treat this
* as an error.
*/
iocb->u.nvme.rsp_pyld_len = 0;
fd->transferred_length = 0;
ql_dbg(ql_dbg_io, fcport->vha, 0x307a,
"Unexpected values in NVMe_RSP IU.\n");
logit = 1;
} else if (state_flags & SF_NVME_ERSP) {
uint32_t *inbuf, *outbuf;
uint16_t iter;
inbuf = (uint32_t *)&sts->nvme_ersp_data;
outbuf = (uint32_t *)fd->rspaddr;
iocb->u.nvme.rsp_pyld_len = sts->nvme_rsp_pyld_len;
if (unlikely(le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >
sizeof(struct nvme_fc_ersp_iu))) {
if (ql_mask_match(ql_dbg_io)) {
WARN_ONCE(1, "Unexpected response payload length %u.\n",
iocb->u.nvme.rsp_pyld_len);
ql_log(ql_log_warn, fcport->vha, 0x5100,
"Unexpected response payload length %u.\n",
iocb->u.nvme.rsp_pyld_len);
}
iocb->u.nvme.rsp_pyld_len =
cpu_to_le16(sizeof(struct nvme_fc_ersp_iu));
}
iter = le16_to_cpu(iocb->u.nvme.rsp_pyld_len) >> 2;
for (; iter; iter--)
*outbuf++ = swab32(*inbuf++);
}
if (state_flags & SF_NVME_ERSP) {
struct nvme_fc_ersp_iu *rsp_iu = fd->rspaddr;
u32 tgt_xfer_len;
tgt_xfer_len = be32_to_cpu(rsp_iu->xfrd_len);
if (fd->transferred_length != tgt_xfer_len) {
ql_log(ql_log_warn, fcport->vha, 0x3079,
"Dropped frame(s) detected (sent/rcvd=%u/%u).\n",
tgt_xfer_len, fd->transferred_length);
logit = 1;
} else if (le16_to_cpu(comp_status) == CS_DATA_UNDERRUN) {
/*
* Do not log if this is just an underflow and there
* is no data loss.
*/
logit = 0;
}
}
if (unlikely(logit))
ql_dbg(ql_dbg_io, fcport->vha, 0x5060,
"NVME-%s ERR Handling - hdl=%x status(%x) tr_len:%x resid=%x ox_id=%x\n",
sp->name, sp->handle, comp_status,
fd->transferred_length, le32_to_cpu(sts->residual_len),
sts->ox_id);
/*
* If transport error then Failure (HBA rejects request)
* otherwise transport will handle.
*/
switch (le16_to_cpu(comp_status)) {
case CS_COMPLETE:
break;
case CS_RESET:
case CS_PORT_UNAVAILABLE:
case CS_PORT_LOGGED_OUT:
fcport->nvme_flag |= NVME_FLAG_RESETTING;
if (atomic_read(&fcport->state) == FCS_ONLINE) {
ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
"Port to be marked lost on fcport=%06x, current "
"port state= %s comp_status %x.\n",
fcport->d_id.b24, port_state_str[FCS_ONLINE],
comp_status);
qlt_schedule_sess_for_deletion(fcport);
}
fallthrough;
case CS_ABORTED:
case CS_PORT_BUSY:
fd->transferred_length = 0;
iocb->u.nvme.rsp_pyld_len = 0;
ret = QLA_ABORTED;
break;
case CS_DATA_UNDERRUN:
break;
default:
ret = QLA_FUNCTION_FAILED;
break;
}
sp->done(sp, ret);
}
static void qla_ctrlvp_completed(scsi_qla_host_t *vha, struct req_que *req,
struct vp_ctrl_entry_24xx *vce)
{
const char func[] = "CTRLVP-IOCB";
srb_t *sp;
int rval = QLA_SUCCESS;
sp = qla2x00_get_sp_from_handle(vha, func, req, vce);
if (!sp)
return;
if (vce->entry_status != 0) {
ql_dbg(ql_dbg_vport, vha, 0x10c4,
"%s: Failed to complete IOCB -- error status (%x)\n",
sp->name, vce->entry_status);
rval = QLA_FUNCTION_FAILED;
} else if (vce->comp_status != cpu_to_le16(CS_COMPLETE)) {
ql_dbg(ql_dbg_vport, vha, 0x10c5,
"%s: Failed to complete IOCB -- completion status (%x) vpidx %x\n",
sp->name, le16_to_cpu(vce->comp_status),
le16_to_cpu(vce->vp_idx_failed));
rval = QLA_FUNCTION_FAILED;
} else {
ql_dbg(ql_dbg_vport, vha, 0x10c6,
"Done %s.\n", __func__);
}
sp->rc = rval;
sp->done(sp, rval);
}
/* Process a single response queue entry. */
static void qla2x00_process_response_entry(struct scsi_qla_host *vha,
struct rsp_que *rsp,
sts_entry_t *pkt)
{
sts21_entry_t *sts21_entry;
sts22_entry_t *sts22_entry;
uint16_t handle_cnt;
uint16_t cnt;
switch (pkt->entry_type) {
case STATUS_TYPE:
qla2x00_status_entry(vha, rsp, pkt);
break;
case STATUS_TYPE_21:
sts21_entry = (sts21_entry_t *)pkt;
handle_cnt = sts21_entry->handle_count;
for (cnt = 0; cnt < handle_cnt; cnt++)
qla2x00_process_completed_request(vha, rsp->req,
sts21_entry->handle[cnt]);
break;
case STATUS_TYPE_22:
sts22_entry = (sts22_entry_t *)pkt;
handle_cnt = sts22_entry->handle_count;
for (cnt = 0; cnt < handle_cnt; cnt++)
qla2x00_process_completed_request(vha, rsp->req,
sts22_entry->handle[cnt]);
break;
case STATUS_CONT_TYPE:
qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
break;
case MBX_IOCB_TYPE:
qla2x00_mbx_iocb_entry(vha, rsp->req, (struct mbx_entry *)pkt);
break;
case CT_IOCB_TYPE:
qla2x00_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
break;
default:
/* Type Not Supported. */
ql_log(ql_log_warn, vha, 0x504a,
"Received unknown response pkt type %x entry status=%x.\n",
pkt->entry_type, pkt->entry_status);
break;
}
}
/**
* qla2x00_process_response_queue() - Process response queue entries.
* @rsp: response queue
*/
void
qla2x00_process_response_queue(struct rsp_que *rsp)
{
struct scsi_qla_host *vha;
struct qla_hw_data *ha = rsp->hw;
struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
sts_entry_t *pkt;
vha = pci_get_drvdata(ha->pdev);
if (!vha->flags.online)
return;
while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
pkt = (sts_entry_t *)rsp->ring_ptr;
rsp->ring_index++;
if (rsp->ring_index == rsp->length) {
rsp->ring_index = 0;
rsp->ring_ptr = rsp->ring;
} else {
rsp->ring_ptr++;
}
if (pkt->entry_status != 0) {
qla2x00_error_entry(vha, rsp, pkt);
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
continue;
}
qla2x00_process_response_entry(vha, rsp, pkt);
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
}
/* Adjust ring index */
wrt_reg_word(ISP_RSP_Q_OUT(ha, reg), rsp->ring_index);
}
static inline void
qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len,
uint32_t sense_len, struct rsp_que *rsp, int res)
{
struct scsi_qla_host *vha = sp->vha;
struct scsi_cmnd *cp = GET_CMD_SP(sp);
uint32_t track_sense_len;
if (sense_len >= SCSI_SENSE_BUFFERSIZE)
sense_len = SCSI_SENSE_BUFFERSIZE;
SET_CMD_SENSE_LEN(sp, sense_len);
SET_CMD_SENSE_PTR(sp, cp->sense_buffer);
track_sense_len = sense_len;
if (sense_len > par_sense_len)
sense_len = par_sense_len;
memcpy(cp->sense_buffer, sense_data, sense_len);
SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len);
track_sense_len -= sense_len;
SET_CMD_SENSE_LEN(sp, track_sense_len);
if (track_sense_len != 0) {
rsp->status_srb = sp;
cp->result = res;
}
if (sense_len) {
ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c,
"Check condition Sense data, nexus%ld:%d:%llu cmd=%p.\n",
sp->vha->host_no, cp->device->id, cp->device->lun,
cp);
ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302b,
cp->sense_buffer, sense_len);
}
}
struct scsi_dif_tuple {
__be16 guard; /* Checksum */
__be16 app_tag; /* APPL identifier */
__be32 ref_tag; /* Target LBA or indirect LBA */
};
/*
* Checks the guard or meta-data for the type of error
* detected by the HBA. In case of errors, we set the
* ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST
* to indicate to the kernel that the HBA detected error.
*/
static inline int
qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24)
{
struct scsi_qla_host *vha = sp->vha;
struct scsi_cmnd *cmd = GET_CMD_SP(sp);
uint8_t *ap = &sts24->data[12];
uint8_t *ep = &sts24->data[20];
uint32_t e_ref_tag, a_ref_tag;
uint16_t e_app_tag, a_app_tag;
uint16_t e_guard, a_guard;
/*
* swab32 of the "data" field in the beginning of qla2x00_status_entry()
* would make guard field appear at offset 2
*/
a_guard = get_unaligned_le16(ap + 2);
a_app_tag = get_unaligned_le16(ap + 0);
a_ref_tag = get_unaligned_le32(ap + 4);
e_guard = get_unaligned_le16(ep + 2);
e_app_tag = get_unaligned_le16(ep + 0);
e_ref_tag = get_unaligned_le32(ep + 4);
ql_dbg(ql_dbg_io, vha, 0x3023,
"iocb(s) %p Returned STATUS.\n", sts24);
ql_dbg(ql_dbg_io, vha, 0x3024,
"DIF ERROR in cmd 0x%x lba 0x%llx act ref"
" tag=0x%x, exp ref_tag=0x%x, act app tag=0x%x, exp app"
" tag=0x%x, act guard=0x%x, exp guard=0x%x.\n",
cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag,
a_app_tag, e_app_tag, a_guard, e_guard);
/*
* Ignore sector if:
* For type 3: ref & app tag is all 'f's
* For type 0,1,2: app tag is all 'f's
*/
if (a_app_tag == be16_to_cpu(T10_PI_APP_ESCAPE) &&
(scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3 ||
a_ref_tag == be32_to_cpu(T10_PI_REF_ESCAPE))) {
uint32_t blocks_done, resid;
sector_t lba_s = scsi_get_lba(cmd);
/* 2TB boundary case covered automatically with this */
blocks_done = e_ref_tag - (uint32_t)lba_s + 1;
resid = scsi_bufflen(cmd) - (blocks_done *
cmd->device->sector_size);
scsi_set_resid(cmd, resid);
cmd->result = DID_OK << 16;
/* Update protection tag */
if (scsi_prot_sg_count(cmd)) {
uint32_t i, j = 0, k = 0, num_ent;
struct scatterlist *sg;
struct t10_pi_tuple *spt;
/* Patch the corresponding protection tags */
scsi_for_each_prot_sg(cmd, sg,
scsi_prot_sg_count(cmd), i) {
num_ent = sg_dma_len(sg) / 8;
if (k + num_ent < blocks_done) {
k += num_ent;
continue;
}
j = blocks_done - k - 1;
k = blocks_done;
break;
}
if (k != blocks_done) {
ql_log(ql_log_warn, vha, 0x302f,
"unexpected tag values tag:lba=%x:%llx)\n",
e_ref_tag, (unsigned long long)lba_s);
return 1;
}
spt = page_address(sg_page(sg)) + sg->offset;
spt += j;
spt->app_tag = T10_PI_APP_ESCAPE;
if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3)
spt->ref_tag = T10_PI_REF_ESCAPE;
}
return 0;
}
/* check guard */
if (e_guard != a_guard) {
scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x1);
set_host_byte(cmd, DID_ABORT);
return 1;
}
/* check ref tag */
if (e_ref_tag != a_ref_tag) {
scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x3);
set_host_byte(cmd, DID_ABORT);
return 1;
}
/* check appl tag */
if (e_app_tag != a_app_tag) {
scsi_build_sense(cmd, 1, ILLEGAL_REQUEST, 0x10, 0x2);
set_host_byte(cmd, DID_ABORT);
return 1;
}
return 1;
}
static void
qla25xx_process_bidir_status_iocb(scsi_qla_host_t *vha, void *pkt,
struct req_que *req, uint32_t index)
{
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
uint16_t comp_status;
uint16_t scsi_status;
uint16_t thread_id;
uint32_t rval = EXT_STATUS_OK;
struct bsg_job *bsg_job = NULL;
struct fc_bsg_request *bsg_request;
struct fc_bsg_reply *bsg_reply;
sts_entry_t *sts = pkt;
struct sts_entry_24xx *sts24 = pkt;
/* Validate handle. */
if (index >= req->num_outstanding_cmds) {
ql_log(ql_log_warn, vha, 0x70af,
"Invalid SCSI completion handle 0x%x.\n", index);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
return;
}
sp = req->outstanding_cmds[index];
if (!sp) {
ql_log(ql_log_warn, vha, 0x70b0,
"Req:%d: Invalid ISP SCSI completion handle(0x%x)\n",
req->id, index);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
return;
}
/* Free outstanding command slot. */
req->outstanding_cmds[index] = NULL;
bsg_job = sp->u.bsg_job;
bsg_request = bsg_job->request;
bsg_reply = bsg_job->reply;
if (IS_FWI2_CAPABLE(ha)) {
comp_status = le16_to_cpu(sts24->comp_status);
scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
} else {
comp_status = le16_to_cpu(sts->comp_status);
scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
}
thread_id = bsg_request->rqst_data.h_vendor.vendor_cmd[1];
switch (comp_status) {
case CS_COMPLETE:
if (scsi_status == 0) {
bsg_reply->reply_payload_rcv_len =
bsg_job->reply_payload.payload_len;
vha->qla_stats.input_bytes +=
bsg_reply->reply_payload_rcv_len;
vha->qla_stats.input_requests++;
rval = EXT_STATUS_OK;
}
goto done;
case CS_DATA_OVERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b1,
"Command completed with data overrun thread_id=%d\n",
thread_id);
rval = EXT_STATUS_DATA_OVERRUN;
break;
case CS_DATA_UNDERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b2,
"Command completed with data underrun thread_id=%d\n",
thread_id);
rval = EXT_STATUS_DATA_UNDERRUN;
break;
case CS_BIDIR_RD_OVERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b3,
"Command completed with read data overrun thread_id=%d\n",
thread_id);
rval = EXT_STATUS_DATA_OVERRUN;
break;
case CS_BIDIR_RD_WR_OVERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b4,
"Command completed with read and write data overrun "
"thread_id=%d\n", thread_id);
rval = EXT_STATUS_DATA_OVERRUN;
break;
case CS_BIDIR_RD_OVERRUN_WR_UNDERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b5,
"Command completed with read data over and write data "
"underrun thread_id=%d\n", thread_id);
rval = EXT_STATUS_DATA_OVERRUN;
break;
case CS_BIDIR_RD_UNDERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b6,
"Command completed with read data underrun "
"thread_id=%d\n", thread_id);
rval = EXT_STATUS_DATA_UNDERRUN;
break;
case CS_BIDIR_RD_UNDERRUN_WR_OVERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b7,
"Command completed with read data under and write data "
"overrun thread_id=%d\n", thread_id);
rval = EXT_STATUS_DATA_UNDERRUN;
break;
case CS_BIDIR_RD_WR_UNDERRUN:
ql_dbg(ql_dbg_user, vha, 0x70b8,
"Command completed with read and write data underrun "
"thread_id=%d\n", thread_id);
rval = EXT_STATUS_DATA_UNDERRUN;
break;
case CS_BIDIR_DMA:
ql_dbg(ql_dbg_user, vha, 0x70b9,
"Command completed with data DMA error thread_id=%d\n",
thread_id);
rval = EXT_STATUS_DMA_ERR;
break;
case CS_TIMEOUT:
ql_dbg(ql_dbg_user, vha, 0x70ba,
"Command completed with timeout thread_id=%d\n",
thread_id);
rval = EXT_STATUS_TIMEOUT;
break;
default:
ql_dbg(ql_dbg_user, vha, 0x70bb,
"Command completed with completion status=0x%x "
"thread_id=%d\n", comp_status, thread_id);
rval = EXT_STATUS_ERR;
break;
}
bsg_reply->reply_payload_rcv_len = 0;
done:
/* Return the vendor specific reply to API */
bsg_reply->reply_data.vendor_reply.vendor_rsp[0] = rval;
bsg_job->reply_len = sizeof(struct fc_bsg_reply);
/* Always return DID_OK, bsg will send the vendor specific response
* in this case only */
sp->done(sp, DID_OK << 16);
}
/**
* qla2x00_status_entry() - Process a Status IOCB entry.
* @vha: SCSI driver HA context
* @rsp: response queue
* @pkt: Entry pointer
*/
static void
qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt)
{
srb_t *sp;
fc_port_t *fcport;
struct scsi_cmnd *cp;
sts_entry_t *sts = pkt;
struct sts_entry_24xx *sts24 = pkt;
uint16_t comp_status;
uint16_t scsi_status;
uint16_t ox_id;
uint8_t lscsi_status;
int32_t resid;
uint32_t sense_len, par_sense_len, rsp_info_len, resid_len,
fw_resid_len;
uint8_t *rsp_info, *sense_data;
struct qla_hw_data *ha = vha->hw;
uint32_t handle;
uint16_t que;
struct req_que *req;
int logit = 1;
int res = 0;
uint16_t state_flags = 0;
uint16_t sts_qual = 0;
if (IS_FWI2_CAPABLE(ha)) {
comp_status = le16_to_cpu(sts24->comp_status);
scsi_status = le16_to_cpu(sts24->scsi_status) & SS_MASK;
state_flags = le16_to_cpu(sts24->state_flags);
} else {
comp_status = le16_to_cpu(sts->comp_status);
scsi_status = le16_to_cpu(sts->scsi_status) & SS_MASK;
}
handle = (uint32_t) LSW(sts->handle);
que = MSW(sts->handle);
req = ha->req_q_map[que];
/* Check for invalid queue pointer */
if (req == NULL ||
que >= find_first_zero_bit(ha->req_qid_map, ha->max_req_queues)) {
ql_dbg(ql_dbg_io, vha, 0x3059,
"Invalid status handle (0x%x): Bad req pointer. req=%p, "
"que=%u.\n", sts->handle, req, que);
return;
}
/* Validate handle. */
if (handle < req->num_outstanding_cmds) {
sp = req->outstanding_cmds[handle];
if (!sp) {
ql_dbg(ql_dbg_io, vha, 0x3075,
"%s(%ld): Already returned command for status handle (0x%x).\n",
__func__, vha->host_no, sts->handle);
return;
}
} else {
ql_dbg(ql_dbg_io, vha, 0x3017,
"Invalid status handle, out of range (0x%x).\n",
sts->handle);
if (!test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
if (IS_P3P_TYPE(ha))
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
else
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
return;
}
qla_put_fw_resources(sp->qpair, &sp->iores);
if (sp->cmd_type != TYPE_SRB) {
req->outstanding_cmds[handle] = NULL;
ql_dbg(ql_dbg_io, vha, 0x3015,
"Unknown sp->cmd_type %x %p).\n",
sp->cmd_type, sp);
return;
}
/* NVME completion. */
if (sp->type == SRB_NVME_CMD) {
req->outstanding_cmds[handle] = NULL;
qla24xx_nvme_iocb_entry(vha, req, pkt, sp);
return;
}
if (unlikely((state_flags & BIT_1) && (sp->type == SRB_BIDI_CMD))) {
qla25xx_process_bidir_status_iocb(vha, pkt, req, handle);
return;
}
/* Task Management completion. */
if (sp->type == SRB_TM_CMD) {
qla24xx_tm_iocb_entry(vha, req, pkt);
return;
}
/* Fast path completion. */
qla_chk_edif_rx_sa_delete_pending(vha, sp, sts24);
sp->qpair->cmd_completion_cnt++;
if (comp_status == CS_COMPLETE && scsi_status == 0) {
qla2x00_process_completed_request(vha, req, handle);
return;
}
cp = GET_CMD_SP(sp);
if (cp == NULL) {
ql_dbg(ql_dbg_io, vha, 0x3018,
"Command already returned (0x%x/%p).\n",
sts->handle, sp);
req->outstanding_cmds[handle] = NULL;
return;
}
lscsi_status = scsi_status & STATUS_MASK;
fcport = sp->fcport;
ox_id = 0;
sense_len = par_sense_len = rsp_info_len = resid_len =
fw_resid_len = 0;
if (IS_FWI2_CAPABLE(ha)) {
if (scsi_status & SS_SENSE_LEN_VALID)
sense_len = le32_to_cpu(sts24->sense_len);
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
rsp_info_len = le32_to_cpu(sts24->rsp_data_len);
if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER))
resid_len = le32_to_cpu(sts24->rsp_residual_count);
if (comp_status == CS_DATA_UNDERRUN)
fw_resid_len = le32_to_cpu(sts24->residual_len);
rsp_info = sts24->data;
sense_data = sts24->data;
host_to_fcp_swap(sts24->data, sizeof(sts24->data));
ox_id = le16_to_cpu(sts24->ox_id);
par_sense_len = sizeof(sts24->data);
sts_qual = le16_to_cpu(sts24->status_qualifier);
} else {
if (scsi_status & SS_SENSE_LEN_VALID)
sense_len = le16_to_cpu(sts->req_sense_length);
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID)
rsp_info_len = le16_to_cpu(sts->rsp_info_len);
resid_len = le32_to_cpu(sts->residual_length);
rsp_info = sts->rsp_info;
sense_data = sts->req_sense_data;
par_sense_len = sizeof(sts->req_sense_data);
}
/* Check for any FCP transport errors. */
if (scsi_status & SS_RESPONSE_INFO_LEN_VALID) {
/* Sense data lies beyond any FCP RESPONSE data. */
if (IS_FWI2_CAPABLE(ha)) {
sense_data += rsp_info_len;
par_sense_len -= rsp_info_len;
}
if (rsp_info_len > 3 && rsp_info[3]) {
ql_dbg(ql_dbg_io, fcport->vha, 0x3019,
"FCP I/O protocol failure (0x%x/0x%x).\n",
rsp_info_len, rsp_info[3]);
res = DID_BUS_BUSY << 16;
goto out;
}
}
/* Check for overrun. */
if (IS_FWI2_CAPABLE(ha) && comp_status == CS_COMPLETE &&
scsi_status & SS_RESIDUAL_OVER)
comp_status = CS_DATA_OVERRUN;
/*
* Check retry_delay_timer value if we receive a busy or
* queue full.
*/
if (unlikely(lscsi_status == SAM_STAT_TASK_SET_FULL ||
lscsi_status == SAM_STAT_BUSY))
qla2x00_set_retry_delay_timestamp(fcport, sts_qual);
/*
* Based on Host and scsi status generate status code for Linux
*/
switch (comp_status) {
case CS_COMPLETE:
case CS_QUEUE_FULL:
if (scsi_status == 0) {
res = DID_OK << 16;
break;
}
if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) {
resid = resid_len;
scsi_set_resid(cp, resid);
if (!lscsi_status &&
((unsigned)(scsi_bufflen(cp) - resid) <
cp->underflow)) {
ql_dbg(ql_dbg_io, fcport->vha, 0x301a,
"Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
resid, scsi_bufflen(cp));
res = DID_ERROR << 16;
break;
}
}
res = DID_OK << 16 | lscsi_status;
if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
ql_dbg(ql_dbg_io, fcport->vha, 0x301b,
"QUEUE FULL detected.\n");
break;
}
logit = 0;
if (lscsi_status != SS_CHECK_CONDITION)
break;
memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len,
rsp, res);
break;
case CS_DATA_UNDERRUN:
/* Use F/W calculated residual length. */
resid = IS_FWI2_CAPABLE(ha) ? fw_resid_len : resid_len;
scsi_set_resid(cp, resid);
if (scsi_status & SS_RESIDUAL_UNDER) {
if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) {
ql_log(ql_log_warn, fcport->vha, 0x301d,
"Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
resid, scsi_bufflen(cp));
res = DID_ERROR << 16 | lscsi_status;
goto check_scsi_status;
}
if (!lscsi_status &&
((unsigned)(scsi_bufflen(cp) - resid) <
cp->underflow)) {
ql_dbg(ql_dbg_io, fcport->vha, 0x301e,
"Mid-layer underflow detected (0x%x of 0x%x bytes).\n",
resid, scsi_bufflen(cp));
res = DID_ERROR << 16;
break;
}
} else if (lscsi_status != SAM_STAT_TASK_SET_FULL &&
lscsi_status != SAM_STAT_BUSY) {
/*
* scsi status of task set and busy are considered to be
* task not completed.
*/
ql_log(ql_log_warn, fcport->vha, 0x301f,
"Dropped frame(s) detected (0x%x of 0x%x bytes).\n",
resid, scsi_bufflen(cp));
vha->interface_err_cnt++;
res = DID_ERROR << 16 | lscsi_status;
goto check_scsi_status;
} else {
ql_dbg(ql_dbg_io, fcport->vha, 0x3030,
"scsi_status: 0x%x, lscsi_status: 0x%x\n",
scsi_status, lscsi_status);
}
res = DID_OK << 16 | lscsi_status;
logit = 0;
check_scsi_status:
/*
* Check to see if SCSI Status is non zero. If so report SCSI
* Status.
*/
if (lscsi_status != 0) {
if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
ql_dbg(ql_dbg_io, fcport->vha, 0x3020,
"QUEUE FULL detected.\n");
logit = 1;
break;
}
if (lscsi_status != SS_CHECK_CONDITION)
break;
memset(cp->sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
if (!(scsi_status & SS_SENSE_LEN_VALID))
break;
qla2x00_handle_sense(sp, sense_data, par_sense_len,
sense_len, rsp, res);
}
break;
case CS_PORT_LOGGED_OUT:
case CS_PORT_CONFIG_CHG:
case CS_PORT_BUSY:
case CS_INCOMPLETE:
case CS_PORT_UNAVAILABLE:
case CS_TIMEOUT:
case CS_RESET:
case CS_EDIF_INV_REQ:
/*
* We are going to have the fc class block the rport
* while we try to recover so instruct the mid layer
* to requeue until the class decides how to handle this.
*/
res = DID_TRANSPORT_DISRUPTED << 16;
if (comp_status == CS_TIMEOUT) {
if (IS_FWI2_CAPABLE(ha))
break;
else if ((le16_to_cpu(sts->status_flags) &
SF_LOGOUT_SENT) == 0)
break;
}
if (atomic_read(&fcport->state) == FCS_ONLINE) {
ql_dbg(ql_dbg_disc, fcport->vha, 0x3021,
"Port to be marked lost on fcport=%02x%02x%02x, current "
"port state= %s comp_status %x.\n", fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa,
port_state_str[FCS_ONLINE],
comp_status);
qlt_schedule_sess_for_deletion(fcport);
}
break;
case CS_ABORTED:
res = DID_RESET << 16;
break;
case CS_DIF_ERROR:
logit = qla2x00_handle_dif_error(sp, sts24);
res = cp->result;
break;
case CS_TRANSPORT:
res = DID_ERROR << 16;
vha->hw_err_cnt++;
if (!IS_PI_SPLIT_DET_CAPABLE(ha))
break;
if (state_flags & BIT_4)
scmd_printk(KERN_WARNING, cp,
"Unsupported device '%s' found.\n",
cp->device->vendor);
break;
case CS_DMA:
ql_log(ql_log_info, fcport->vha, 0x3022,
"CS_DMA error: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%06x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
comp_status, scsi_status, res, vha->host_no,
cp->device->id, cp->device->lun, fcport->d_id.b24,
ox_id, cp->cmnd, scsi_bufflen(cp), rsp_info_len,
resid_len, fw_resid_len, sp, cp);
ql_dump_buffer(ql_dbg_tgt + ql_dbg_verbose, vha, 0xe0ee,
pkt, sizeof(*sts24));
res = DID_ERROR << 16;
vha->hw_err_cnt++;
break;
default:
res = DID_ERROR << 16;
break;
}
out:
if (logit)
ql_dbg(ql_dbg_io, fcport->vha, 0x3022,
"FCP command status: 0x%x-0x%x (0x%x) nexus=%ld:%d:%llu portid=%02x%02x%02x oxid=0x%x cdb=%10phN len=0x%x rsp_info=0x%x resid=0x%x fw_resid=0x%x sp=%p cp=%p.\n",
comp_status, scsi_status, res, vha->host_no,
cp->device->id, cp->device->lun, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id,
cp->cmnd, scsi_bufflen(cp), rsp_info_len,
resid_len, fw_resid_len, sp, cp);
if (rsp->status_srb == NULL)
sp->done(sp, res);
/* for io's, clearing of outstanding_cmds[handle] means scsi_done was called */
req->outstanding_cmds[handle] = NULL;
}
/**
* qla2x00_status_cont_entry() - Process a Status Continuations entry.
* @rsp: response queue
* @pkt: Entry pointer
*
* Extended sense data.
*/
static void
qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
{
uint8_t sense_sz = 0;
struct qla_hw_data *ha = rsp->hw;
struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev);
srb_t *sp = rsp->status_srb;
struct scsi_cmnd *cp;
uint32_t sense_len;
uint8_t *sense_ptr;
if (!sp || !GET_CMD_SENSE_LEN(sp))
return;
sense_len = GET_CMD_SENSE_LEN(sp);
sense_ptr = GET_CMD_SENSE_PTR(sp);
cp = GET_CMD_SP(sp);
if (cp == NULL) {
ql_log(ql_log_warn, vha, 0x3025,
"cmd is NULL: already returned to OS (sp=%p).\n", sp);
rsp->status_srb = NULL;
return;
}
if (sense_len > sizeof(pkt->data))
sense_sz = sizeof(pkt->data);
else
sense_sz = sense_len;
/* Move sense data. */
if (IS_FWI2_CAPABLE(ha))
host_to_fcp_swap(pkt->data, sizeof(pkt->data));
memcpy(sense_ptr, pkt->data, sense_sz);
ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c,
sense_ptr, sense_sz);
sense_len -= sense_sz;
sense_ptr += sense_sz;
SET_CMD_SENSE_PTR(sp, sense_ptr);
SET_CMD_SENSE_LEN(sp, sense_len);
/* Place command on done queue. */
if (sense_len == 0) {
rsp->status_srb = NULL;
sp->done(sp, cp->result);
}
}
/**
* qla2x00_error_entry() - Process an error entry.
* @vha: SCSI driver HA context
* @rsp: response queue
* @pkt: Entry pointer
* return : 1=allow further error analysis. 0=no additional error analysis.
*/
static int
qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
{
srb_t *sp;
struct qla_hw_data *ha = vha->hw;
const char func[] = "ERROR-IOCB";
uint16_t que = MSW(pkt->handle);
struct req_que *req = NULL;
int res = DID_ERROR << 16;
u16 index;
ql_dbg(ql_dbg_async, vha, 0x502a,
"iocb type %xh with error status %xh, handle %xh, rspq id %d\n",
pkt->entry_type, pkt->entry_status, pkt->handle, rsp->id);
if (que >= ha->max_req_queues || !ha->req_q_map[que])
goto fatal;
req = ha->req_q_map[que];
if (pkt->entry_status & RF_BUSY)
res = DID_BUS_BUSY << 16;
if ((pkt->handle & ~QLA_TGT_HANDLE_MASK) == QLA_TGT_SKIP_HANDLE)
return 0;
switch (pkt->entry_type) {
case NOTIFY_ACK_TYPE:
case STATUS_CONT_TYPE:
case LOGINOUT_PORT_IOCB_TYPE:
case CT_IOCB_TYPE:
case ELS_IOCB_TYPE:
case ABORT_IOCB_TYPE:
case MBX_IOCB_TYPE:
default:
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (sp) {
sp->done(sp, res);
return 0;
}
break;
case SA_UPDATE_IOCB_TYPE:
case ABTS_RESP_24XX:
case CTIO_TYPE7:
case CTIO_CRC2:
return 1;
case STATUS_TYPE:
sp = qla_get_sp_from_handle(vha, func, req, pkt, &index);
if (sp) {
sp->done(sp, res);
req->outstanding_cmds[index] = NULL;
return 0;
}
break;
}
fatal:
ql_log(ql_log_warn, vha, 0x5030,
"Error entry - invalid handle/queue (%04x).\n", que);
return 0;
}
/**
* qla24xx_mbx_completion() - Process mailbox command completions.
* @vha: SCSI driver HA context
* @mb0: Mailbox0 register
*/
static void
qla24xx_mbx_completion(scsi_qla_host_t *vha, uint16_t mb0)
{
uint16_t cnt;
uint32_t mboxes;
__le16 __iomem *wptr;
struct qla_hw_data *ha = vha->hw;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
/* Read all mbox registers? */
WARN_ON_ONCE(ha->mbx_count > 32);
mboxes = (1ULL << ha->mbx_count) - 1;
if (!ha->mcp)
ql_dbg(ql_dbg_async, vha, 0x504e, "MBX pointer ERROR.\n");
else
mboxes = ha->mcp->in_mb;
/* Load return mailbox registers. */
ha->flags.mbox_int = 1;
ha->mailbox_out[0] = mb0;
mboxes >>= 1;
wptr = &reg->mailbox1;
for (cnt = 1; cnt < ha->mbx_count; cnt++) {
if (mboxes & BIT_0)
ha->mailbox_out[cnt] = rd_reg_word(wptr);
mboxes >>= 1;
wptr++;
}
}
static void
qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
struct abort_entry_24xx *pkt)
{
const char func[] = "ABT_IOCB";
srb_t *sp;
srb_t *orig_sp = NULL;
struct srb_iocb *abt;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
abt = &sp->u.iocb_cmd;
abt->u.abt.comp_status = pkt->comp_status;
orig_sp = sp->cmd_sp;
/* Need to pass original sp */
if (orig_sp)
qla_nvme_abort_process_comp_status(pkt, orig_sp);
sp->done(sp, 0);
}
void qla24xx_nvme_ls4_iocb(struct scsi_qla_host *vha,
struct pt_ls4_request *pkt, struct req_que *req)
{
srb_t *sp;
const char func[] = "LS4_IOCB";
uint16_t comp_status;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
comp_status = le16_to_cpu(pkt->status);
sp->done(sp, comp_status);
}
/**
* qla_chk_cont_iocb_avail - check for all continuation iocbs are available
* before iocb processing can start.
* @vha: host adapter pointer
* @rsp: respond queue
* @pkt: head iocb describing how many continuation iocb
* Return: 0 all iocbs has arrived, xx- all iocbs have not arrived.
*/
static int qla_chk_cont_iocb_avail(struct scsi_qla_host *vha,
struct rsp_que *rsp, response_t *pkt, u32 rsp_q_in)
{
int start_pkt_ring_index;
u32 iocb_cnt = 0;
int rc = 0;
if (pkt->entry_count == 1)
return rc;
/* ring_index was pre-increment. set it back to current pkt */
if (rsp->ring_index == 0)
start_pkt_ring_index = rsp->length - 1;
else
start_pkt_ring_index = rsp->ring_index - 1;
if (rsp_q_in < start_pkt_ring_index)
/* q in ptr is wrapped */
iocb_cnt = rsp->length - start_pkt_ring_index + rsp_q_in;
else
iocb_cnt = rsp_q_in - start_pkt_ring_index;
if (iocb_cnt < pkt->entry_count)
rc = -EIO;
ql_dbg(ql_dbg_init, vha, 0x5091,
"%s - ring %p pkt %p entry count %d iocb_cnt %d rsp_q_in %d rc %d\n",
__func__, rsp->ring, pkt, pkt->entry_count, iocb_cnt, rsp_q_in, rc);
return rc;
}
static void qla_marker_iocb_entry(scsi_qla_host_t *vha, struct req_que *req,
struct mrk_entry_24xx *pkt)
{
const char func[] = "MRK-IOCB";
srb_t *sp;
int res = QLA_SUCCESS;
if (!IS_FWI2_CAPABLE(vha->hw))
return;
sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (!sp)
return;
if (pkt->entry_status) {
ql_dbg(ql_dbg_taskm, vha, 0x8025, "marker failure.\n");
res = QLA_COMMAND_ERROR;
}
sp->u.iocb_cmd.u.tmf.data = res;
sp->done(sp, res);
}
/**
* qla24xx_process_response_queue() - Process response queue entries.
* @vha: SCSI driver HA context
* @rsp: response queue
*/
void qla24xx_process_response_queue(struct scsi_qla_host *vha,
struct rsp_que *rsp)
{
struct sts_entry_24xx *pkt;
struct qla_hw_data *ha = vha->hw;
struct purex_entry_24xx *purex_entry;
struct purex_item *pure_item;
u16 rsp_in = 0, cur_ring_index;
int is_shadow_hba;
if (!ha->flags.fw_started)
return;
if (rsp->qpair->cpuid != smp_processor_id() || !rsp->qpair->rcv_intr) {
rsp->qpair->rcv_intr = 1;
qla_cpu_update(rsp->qpair, smp_processor_id());
}
#define __update_rsp_in(_is_shadow_hba, _rsp, _rsp_in) \
do { \
_rsp_in = _is_shadow_hba ? *(_rsp)->in_ptr : \
rd_reg_dword_relaxed((_rsp)->rsp_q_in); \
} while (0)
is_shadow_hba = IS_SHADOW_REG_CAPABLE(ha);
__update_rsp_in(is_shadow_hba, rsp, rsp_in);
while (rsp->ring_index != rsp_in &&
rsp->ring_ptr->signature != RESPONSE_PROCESSED) {
pkt = (struct sts_entry_24xx *)rsp->ring_ptr;
cur_ring_index = rsp->ring_index;
rsp->ring_index++;
if (rsp->ring_index == rsp->length) {
rsp->ring_index = 0;
rsp->ring_ptr = rsp->ring;
} else {
rsp->ring_ptr++;
}
if (pkt->entry_status != 0) {
if (qla2x00_error_entry(vha, rsp, (sts_entry_t *) pkt))
goto process_err;
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
continue;
}
process_err:
switch (pkt->entry_type) {
case STATUS_TYPE:
qla2x00_status_entry(vha, rsp, pkt);
break;
case STATUS_CONT_TYPE:
qla2x00_status_cont_entry(rsp, (sts_cont_entry_t *)pkt);
break;
case VP_RPT_ID_IOCB_TYPE:
qla24xx_report_id_acquisition(vha,
(struct vp_rpt_id_entry_24xx *)pkt);
break;
case LOGINOUT_PORT_IOCB_TYPE:
qla24xx_logio_entry(vha, rsp->req,
(struct logio_entry_24xx *)pkt);
break;
case CT_IOCB_TYPE:
qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE);
break;
case ELS_IOCB_TYPE:
qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE);
break;
case ABTS_RECV_24XX:
if (qla_ini_mode_enabled(vha)) {
pure_item = qla24xx_copy_std_pkt(vha, pkt);
if (!pure_item)
break;
qla24xx_queue_purex_item(vha, pure_item,
qla24xx_process_abts);
break;
}
if (IS_QLA83XX(ha) || IS_QLA27XX(ha) ||
IS_QLA28XX(ha)) {
/* ensure that the ATIO queue is empty */
qlt_handle_abts_recv(vha, rsp,
(response_t *)pkt);
break;
} else {
qlt_24xx_process_atio_queue(vha, 1);
}
fallthrough;
case ABTS_RESP_24XX:
case CTIO_TYPE7:
case CTIO_CRC2:
qlt_response_pkt_all_vps(vha, rsp, (response_t *)pkt);
break;
case PT_LS4_REQUEST:
qla24xx_nvme_ls4_iocb(vha, (struct pt_ls4_request *)pkt,
rsp->req);
break;
case NOTIFY_ACK_TYPE:
if (pkt->handle == QLA_TGT_SKIP_HANDLE)
qlt_response_pkt_all_vps(vha, rsp,
(response_t *)pkt);
else
qla24xxx_nack_iocb_entry(vha, rsp->req,
(struct nack_to_isp *)pkt);
break;
case MARKER_TYPE:
qla_marker_iocb_entry(vha, rsp->req, (struct mrk_entry_24xx *)pkt);
break;
case ABORT_IOCB_TYPE:
qla24xx_abort_iocb_entry(vha, rsp->req,
(struct abort_entry_24xx *)pkt);
break;
case MBX_IOCB_TYPE:
qla24xx_mbx_iocb_entry(vha, rsp->req,
(struct mbx_24xx_entry *)pkt);
break;
case VP_CTRL_IOCB_TYPE:
qla_ctrlvp_completed(vha, rsp->req,
(struct vp_ctrl_entry_24xx *)pkt);
break;
case PUREX_IOCB_TYPE:
purex_entry = (void *)pkt;
switch (purex_entry->els_frame_payload[3]) {
case ELS_RDP:
pure_item = qla24xx_copy_std_pkt(vha, pkt);
if (!pure_item)
break;
qla24xx_queue_purex_item(vha, pure_item,
qla24xx_process_purex_rdp);
break;
case ELS_FPIN:
if (!vha->hw->flags.scm_enabled) {
ql_log(ql_log_warn, vha, 0x5094,
"SCM not active for this port\n");
break;
}
pure_item = qla27xx_copy_fpin_pkt(vha,
(void **)&pkt, &rsp);
__update_rsp_in(is_shadow_hba, rsp, rsp_in);
if (!pure_item)
break;
qla24xx_queue_purex_item(vha, pure_item,
qla27xx_process_purex_fpin);
break;
case ELS_AUTH_ELS:
if (qla_chk_cont_iocb_avail(vha, rsp, (response_t *)pkt, rsp_in)) {
/*
* ring_ptr and ring_index were
* pre-incremented above. Reset them
* back to current. Wait for next
* interrupt with all IOCBs to arrive
* and re-process.
*/
rsp->ring_ptr = (response_t *)pkt;
rsp->ring_index = cur_ring_index;
ql_dbg(ql_dbg_init, vha, 0x5091,
"Defer processing ELS opcode %#x...\n",
purex_entry->els_frame_payload[3]);
return;
}
qla24xx_auth_els(vha, (void **)&pkt, &rsp);
break;
default:
ql_log(ql_log_warn, vha, 0x509c,
"Discarding ELS Request opcode 0x%x\n",
purex_entry->els_frame_payload[3]);
}
break;
case SA_UPDATE_IOCB_TYPE:
qla28xx_sa_update_iocb_entry(vha, rsp->req,
(struct sa_update_28xx *)pkt);
break;
default:
/* Type Not Supported. */
ql_dbg(ql_dbg_async, vha, 0x5042,
"Received unknown response pkt type 0x%x entry status=%x.\n",
pkt->entry_type, pkt->entry_status);
break;
}
((response_t *)pkt)->signature = RESPONSE_PROCESSED;
wmb();
}
/* Adjust ring index */
if (IS_P3P_TYPE(ha)) {
struct device_reg_82xx __iomem *reg = &ha->iobase->isp82;
wrt_reg_dword(&reg->rsp_q_out[0], rsp->ring_index);
} else {
wrt_reg_dword(rsp->rsp_q_out, rsp->ring_index);
}
}
static void
qla2xxx_check_risc_status(scsi_qla_host_t *vha)
{
int rval;
uint32_t cnt;
struct qla_hw_data *ha = vha->hw;
struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return;
rval = QLA_SUCCESS;
wrt_reg_dword(&reg->iobase_addr, 0x7C00);
rd_reg_dword(&reg->iobase_addr);
wrt_reg_dword(&reg->iobase_window, 0x0001);
for (cnt = 10000; (rd_reg_dword(&reg->iobase_window) & BIT_0) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt) {
wrt_reg_dword(&reg->iobase_window, 0x0001);
udelay(10);
} else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval == QLA_SUCCESS)
goto next_test;
rval = QLA_SUCCESS;
wrt_reg_dword(&reg->iobase_window, 0x0003);
for (cnt = 100; (rd_reg_dword(&reg->iobase_window) & BIT_0) == 0 &&
rval == QLA_SUCCESS; cnt--) {
if (cnt) {
wrt_reg_dword(&reg->iobase_window, 0x0003);
udelay(10);
} else
rval = QLA_FUNCTION_TIMEOUT;
}
if (rval != QLA_SUCCESS)
goto done;
next_test:
if (rd_reg_dword(&reg->iobase_c8) & BIT_3)
ql_log(ql_log_info, vha, 0x504c,
"Additional code -- 0x55AA.\n");
done:
wrt_reg_dword(&reg->iobase_window, 0x0000);
rd_reg_dword(&reg->iobase_window);
}
/**
* qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx.
* @irq: interrupt number
* @dev_id: SCSI driver HA context
*
* Called by system whenever the host adapter generates an interrupt.
*
* Returns handled flag.
*/
irqreturn_t
qla24xx_intr_handler(int irq, void *dev_id)
{
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
struct device_reg_24xx __iomem *reg;
int status;
unsigned long iter;
uint32_t stat;
uint32_t hccr;
uint16_t mb[8];
struct rsp_que *rsp;
unsigned long flags;
bool process_atio = false;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
ql_log(ql_log_info, NULL, 0x5059,
"%s: NULL response queue pointer.\n", __func__);
return IRQ_NONE;
}
ha = rsp->hw;
reg = &ha->iobase->isp24;
status = 0;
if (unlikely(pci_channel_offline(ha->pdev)))
return IRQ_HANDLED;
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
for (iter = 50; iter--; ) {
stat = rd_reg_dword(&reg->host_status);
if (qla2x00_check_reg32_for_disconnect(vha, stat))
break;
if (stat & HSRX_RISC_PAUSED) {
if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = rd_reg_dword(&reg->hccr);
ql_log(ql_log_warn, vha, 0x504b,
"RISC paused -- HCCR=%x, Dumping firmware.\n",
hccr);
qla2xxx_check_risc_status(vha);
ha->isp_ops->fw_dump(vha);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
} else if ((stat & HSRX_RISC_INT) == 0)
break;
switch (stat & 0xff) {
case INTR_ROM_MB_SUCCESS:
case INTR_ROM_MB_FAILED:
case INTR_MB_SUCCESS:
case INTR_MB_FAILED:
qla24xx_mbx_completion(vha, MSW(stat));
status |= MBX_INTERRUPT;
break;
case INTR_ASYNC_EVENT:
mb[0] = MSW(stat);
mb[1] = rd_reg_word(&reg->mailbox1);
mb[2] = rd_reg_word(&reg->mailbox2);
mb[3] = rd_reg_word(&reg->mailbox3);
qla2x00_async_event(vha, rsp, mb);
break;
case INTR_RSP_QUE_UPDATE:
case INTR_RSP_QUE_UPDATE_83XX:
qla24xx_process_response_queue(vha, rsp);
break;
case INTR_ATIO_QUE_UPDATE_27XX:
case INTR_ATIO_QUE_UPDATE:
process_atio = true;
break;
case INTR_ATIO_RSP_QUE_UPDATE:
process_atio = true;
qla24xx_process_response_queue(vha, rsp);
break;
default:
ql_dbg(ql_dbg_async, vha, 0x504f,
"Unrecognized interrupt type (%d).\n", stat * 0xff);
break;
}
wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
rd_reg_dword_relaxed(&reg->hccr);
if (unlikely(IS_QLA83XX(ha) && (ha->pdev->revision == 1)))
ndelay(3500);
}
qla2x00_handle_mbx_completion(ha, status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (process_atio) {
spin_lock_irqsave(&ha->tgt.atio_lock, flags);
qlt_24xx_process_atio_queue(vha, 0);
spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
}
return IRQ_HANDLED;
}
static irqreturn_t
qla24xx_msix_rsp_q(int irq, void *dev_id)
{
struct qla_hw_data *ha;
struct rsp_que *rsp;
struct device_reg_24xx __iomem *reg;
struct scsi_qla_host *vha;
unsigned long flags;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
ql_log(ql_log_info, NULL, 0x505a,
"%s: NULL response queue pointer.\n", __func__);
return IRQ_NONE;
}
ha = rsp->hw;
reg = &ha->iobase->isp24;
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
qla24xx_process_response_queue(vha, rsp);
if (!ha->flags.disable_msix_handshake) {
wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
rd_reg_dword_relaxed(&reg->hccr);
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return IRQ_HANDLED;
}
static irqreturn_t
qla24xx_msix_default(int irq, void *dev_id)
{
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
struct rsp_que *rsp;
struct device_reg_24xx __iomem *reg;
int status;
uint32_t stat;
uint32_t hccr;
uint16_t mb[8];
unsigned long flags;
bool process_atio = false;
rsp = (struct rsp_que *) dev_id;
if (!rsp) {
ql_log(ql_log_info, NULL, 0x505c,
"%s: NULL response queue pointer.\n", __func__);
return IRQ_NONE;
}
ha = rsp->hw;
reg = &ha->iobase->isp24;
status = 0;
spin_lock_irqsave(&ha->hardware_lock, flags);
vha = pci_get_drvdata(ha->pdev);
do {
stat = rd_reg_dword(&reg->host_status);
if (qla2x00_check_reg32_for_disconnect(vha, stat))
break;
if (stat & HSRX_RISC_PAUSED) {
if (unlikely(pci_channel_offline(ha->pdev)))
break;
hccr = rd_reg_dword(&reg->hccr);
ql_log(ql_log_info, vha, 0x5050,
"RISC paused -- HCCR=%x, Dumping firmware.\n",
hccr);
qla2xxx_check_risc_status(vha);
vha->hw_err_cnt++;
ha->isp_ops->fw_dump(vha);
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
} else if ((stat & HSRX_RISC_INT) == 0)
break;
switch (stat & 0xff) {
case INTR_ROM_MB_SUCCESS:
case INTR_ROM_MB_FAILED:
case INTR_MB_SUCCESS:
case INTR_MB_FAILED:
qla24xx_mbx_completion(vha, MSW(stat));
status |= MBX_INTERRUPT;
break;
case INTR_ASYNC_EVENT:
mb[0] = MSW(stat);
mb[1] = rd_reg_word(&reg->mailbox1);
mb[2] = rd_reg_word(&reg->mailbox2);
mb[3] = rd_reg_word(&reg->mailbox3);
qla2x00_async_event(vha, rsp, mb);
break;
case INTR_RSP_QUE_UPDATE:
case INTR_RSP_QUE_UPDATE_83XX:
qla24xx_process_response_queue(vha, rsp);
break;
case INTR_ATIO_QUE_UPDATE_27XX:
case INTR_ATIO_QUE_UPDATE:
process_atio = true;
break;
case INTR_ATIO_RSP_QUE_UPDATE:
process_atio = true;
qla24xx_process_response_queue(vha, rsp);
break;
default:
ql_dbg(ql_dbg_async, vha, 0x5051,
"Unrecognized interrupt type (%d).\n", stat & 0xff);
break;
}
wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
} while (0);
qla2x00_handle_mbx_completion(ha, status);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (process_atio) {
spin_lock_irqsave(&ha->tgt.atio_lock, flags);
qlt_24xx_process_atio_queue(vha, 0);
spin_unlock_irqrestore(&ha->tgt.atio_lock, flags);
}
return IRQ_HANDLED;
}
irqreturn_t
qla2xxx_msix_rsp_q(int irq, void *dev_id)
{
struct qla_hw_data *ha;
struct qla_qpair *qpair;
qpair = dev_id;
if (!qpair) {
ql_log(ql_log_info, NULL, 0x505b,
"%s: NULL response queue pointer.\n", __func__);
return IRQ_NONE;
}
ha = qpair->hw;
queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
return IRQ_HANDLED;
}
irqreturn_t
qla2xxx_msix_rsp_q_hs(int irq, void *dev_id)
{
struct qla_hw_data *ha;
struct qla_qpair *qpair;
struct device_reg_24xx __iomem *reg;
unsigned long flags;
qpair = dev_id;
if (!qpair) {
ql_log(ql_log_info, NULL, 0x505b,
"%s: NULL response queue pointer.\n", __func__);
return IRQ_NONE;
}
ha = qpair->hw;
reg = &ha->iobase->isp24;
spin_lock_irqsave(&ha->hardware_lock, flags);
wrt_reg_dword(&reg->hccr, HCCRX_CLR_RISC_INT);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
queue_work_on(smp_processor_id(), ha->wq, &qpair->q_work);
return IRQ_HANDLED;
}
/* Interrupt handling helpers. */
struct qla_init_msix_entry {
const char *name;
irq_handler_t handler;
};
static const struct qla_init_msix_entry msix_entries[] = {
{ "default", qla24xx_msix_default },
{ "rsp_q", qla24xx_msix_rsp_q },
{ "atio_q", qla83xx_msix_atio_q },
{ "qpair_multiq", qla2xxx_msix_rsp_q },
{ "qpair_multiq_hs", qla2xxx_msix_rsp_q_hs },
};
static const struct qla_init_msix_entry qla82xx_msix_entries[] = {
{ "qla2xxx (default)", qla82xx_msix_default },
{ "qla2xxx (rsp_q)", qla82xx_msix_rsp_q },
};
static int
qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
{
int i, ret;
struct qla_msix_entry *qentry;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
int min_vecs = QLA_BASE_VECTORS;
struct irq_affinity desc = {
.pre_vectors = QLA_BASE_VECTORS,
};
if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
IS_ATIO_MSIX_CAPABLE(ha)) {
desc.pre_vectors++;
min_vecs++;
}
if (USER_CTRL_IRQ(ha) || !ha->mqiobase) {
/* user wants to control IRQ setting for target mode */
ret = pci_alloc_irq_vectors(ha->pdev, min_vecs,
min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
PCI_IRQ_MSIX);
} else
ret = pci_alloc_irq_vectors_affinity(ha->pdev, min_vecs,
min((u16)ha->msix_count, (u16)(num_online_cpus() + min_vecs)),
PCI_IRQ_MSIX | PCI_IRQ_AFFINITY,
&desc);
if (ret < 0) {
ql_log(ql_log_fatal, vha, 0x00c7,
"MSI-X: Failed to enable support, "
"giving up -- %d/%d.\n",
ha->msix_count, ret);
goto msix_out;
} else if (ret < ha->msix_count) {
ql_log(ql_log_info, vha, 0x00c6,
"MSI-X: Using %d vectors\n", ret);
ha->msix_count = ret;
/* Recalculate queue values */
if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
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;
ha->max_qpairs = ha->max_req_queues - 1;
ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0190,
"Adjusted Max no of queues pairs: %d.\n", ha->max_qpairs);
}
}
vha->irq_offset = desc.pre_vectors;
ha->msix_entries = kcalloc(ha->msix_count,
sizeof(struct qla_msix_entry),
GFP_KERNEL);
if (!ha->msix_entries) {
ql_log(ql_log_fatal, vha, 0x00c8,
"Failed to allocate memory for ha->msix_entries.\n");
ret = -ENOMEM;
goto free_irqs;
}
ha->flags.msix_enabled = 1;
for (i = 0; i < ha->msix_count; i++) {
qentry = &ha->msix_entries[i];
qentry->vector = pci_irq_vector(ha->pdev, i);
qentry->entry = i;
qentry->have_irq = 0;
qentry->in_use = 0;
qentry->handle = NULL;
}
/* Enable MSI-X vectors for the base queue */
for (i = 0; i < QLA_BASE_VECTORS; i++) {
qentry = &ha->msix_entries[i];
qentry->handle = rsp;
rsp->msix = qentry;
scnprintf(qentry->name, sizeof(qentry->name),
"qla2xxx%lu_%s", vha->host_no, msix_entries[i].name);
if (IS_P3P_TYPE(ha))
ret = request_irq(qentry->vector,
qla82xx_msix_entries[i].handler,
0, qla82xx_msix_entries[i].name, rsp);
else
ret = request_irq(qentry->vector,
msix_entries[i].handler,
0, qentry->name, rsp);
if (ret)
goto msix_register_fail;
qentry->have_irq = 1;
qentry->in_use = 1;
}
/*
* If target mode is enable, also request the vector for the ATIO
* queue.
*/
if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) &&
IS_ATIO_MSIX_CAPABLE(ha)) {
qentry = &ha->msix_entries[QLA_ATIO_VECTOR];
rsp->msix = qentry;
qentry->handle = rsp;
scnprintf(qentry->name, sizeof(qentry->name),
"qla2xxx%lu_%s", vha->host_no,
msix_entries[QLA_ATIO_VECTOR].name);
qentry->in_use = 1;
ret = request_irq(qentry->vector,
msix_entries[QLA_ATIO_VECTOR].handler,
0, qentry->name, rsp);
qentry->have_irq = 1;
}
msix_register_fail:
if (ret) {
ql_log(ql_log_fatal, vha, 0x00cb,
"MSI-X: unable to register handler -- %x/%d.\n",
qentry->vector, ret);
qla2x00_free_irqs(vha);
ha->mqenable = 0;
goto msix_out;
}
/* Enable MSI-X vector for response queue update for queue 0 */
if (IS_MQUE_CAPABLE(ha) &&
(ha->msixbase && ha->mqiobase && ha->max_qpairs))
ha->mqenable = 1;
else
ha->mqenable = 0;
ql_dbg(ql_dbg_multiq, vha, 0xc005,
"mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
ql_dbg(ql_dbg_init, vha, 0x0055,
"mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n",
ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues);
msix_out:
return ret;
free_irqs:
pci_free_irq_vectors(ha->pdev);
goto msix_out;
}
int
qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp)
{
int ret = QLA_FUNCTION_FAILED;
device_reg_t *reg = ha->iobase;
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
/* If possible, enable MSI-X. */
if (ql2xenablemsix == 0 || (!IS_QLA2432(ha) && !IS_QLA2532(ha) &&
!IS_QLA8432(ha) && !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha) &&
!IS_QLAFX00(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha)))
goto skip_msi;
if (ql2xenablemsix == 2)
goto skip_msix;
if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP &&
(ha->pdev->subsystem_device == 0x7040 ||
ha->pdev->subsystem_device == 0x7041 ||
ha->pdev->subsystem_device == 0x1705)) {
ql_log(ql_log_warn, vha, 0x0034,
"MSI-X: Unsupported ISP 2432 SSVID/SSDID (0x%X,0x%X).\n",
ha->pdev->subsystem_vendor,
ha->pdev->subsystem_device);
goto skip_msi;
}
if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) {
ql_log(ql_log_warn, vha, 0x0035,
"MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n",
ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX);
goto skip_msix;
}
ret = qla24xx_enable_msix(ha, rsp);
if (!ret) {
ql_dbg(ql_dbg_init, vha, 0x0036,
"MSI-X: Enabled (0x%X, 0x%X).\n",
ha->chip_revision, ha->fw_attributes);
goto clear_risc_ints;
}
skip_msix:
ql_log(ql_log_info, vha, 0x0037,
"Falling back-to MSI mode -- ret=%d.\n", ret);
if (!IS_QLA24XX(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) &&
!IS_QLA8001(ha) && !IS_P3P_TYPE(ha) && !IS_QLAFX00(ha) &&
!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
goto skip_msi;
ret = pci_alloc_irq_vectors(ha->pdev, 1, 1, PCI_IRQ_MSI);
if (ret > 0) {
ql_dbg(ql_dbg_init, vha, 0x0038,
"MSI: Enabled.\n");
ha->flags.msi_enabled = 1;
} else
ql_log(ql_log_warn, vha, 0x0039,
"Falling back-to INTa mode -- ret=%d.\n", ret);
skip_msi:
/* Skip INTx on ISP82xx. */
if (!ha->flags.msi_enabled && IS_QLA82XX(ha))
return QLA_FUNCTION_FAILED;
ret = request_irq(ha->pdev->irq, ha->isp_ops->intr_handler,
ha->flags.msi_enabled ? 0 : IRQF_SHARED,
QLA2XXX_DRIVER_NAME, rsp);
if (ret) {
ql_log(ql_log_warn, vha, 0x003a,
"Failed to reserve interrupt %d already in use.\n",
ha->pdev->irq);
goto fail;
} else if (!ha->flags.msi_enabled) {
ql_dbg(ql_dbg_init, vha, 0x0125,
"INTa mode: Enabled.\n");
ha->flags.mr_intr_valid = 1;
/* Set max_qpair to 0, as MSI-X and MSI in not enabled */
ha->max_qpairs = 0;
}
clear_risc_ints:
if (IS_FWI2_CAPABLE(ha) || IS_QLAFX00(ha))
goto fail;
spin_lock_irq(&ha->hardware_lock);
wrt_reg_word(&reg->isp.semaphore, 0);
spin_unlock_irq(&ha->hardware_lock);
fail:
return ret;
}
void
qla2x00_free_irqs(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
struct rsp_que *rsp;
struct qla_msix_entry *qentry;
int i;
/*
* We need to check that ha->rsp_q_map is valid in case we are called
* from a probe failure context.
*/
if (!ha->rsp_q_map || !ha->rsp_q_map[0])
goto free_irqs;
rsp = ha->rsp_q_map[0];
if (ha->flags.msix_enabled) {
for (i = 0; i < ha->msix_count; i++) {
qentry = &ha->msix_entries[i];
if (qentry->have_irq) {
irq_set_affinity_notifier(qentry->vector, NULL);
free_irq(pci_irq_vector(ha->pdev, i), qentry->handle);
}
}
kfree(ha->msix_entries);
ha->msix_entries = NULL;
ha->flags.msix_enabled = 0;
ql_dbg(ql_dbg_init, vha, 0x0042,
"Disabled MSI-X.\n");
} else {
free_irq(pci_irq_vector(ha->pdev, 0), rsp);
}
free_irqs:
pci_free_irq_vectors(ha->pdev);
}
int qla25xx_request_irq(struct qla_hw_data *ha, struct qla_qpair *qpair,
struct qla_msix_entry *msix, int vector_type)
{
const struct qla_init_msix_entry *intr = &msix_entries[vector_type];
scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev);
int ret;
scnprintf(msix->name, sizeof(msix->name),
"qla2xxx%lu_qpair%d", vha->host_no, qpair->id);
ret = request_irq(msix->vector, intr->handler, 0, msix->name, qpair);
if (ret) {
ql_log(ql_log_fatal, vha, 0x00e6,
"MSI-X: Unable to register handler -- %x/%d.\n",
msix->vector, ret);
return ret;
}
msix->have_irq = 1;
msix->handle = qpair;
return ret;
}