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linuxdebug/drivers/scsi/qla2xxx/qla_attr.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 <linux/kthread.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/delay.h>
static int qla24xx_vport_disable(struct fc_vport *, bool);
/* SYSFS attributes --------------------------------------------------------- */
static ssize_t
qla2x00_sysfs_read_fw_dump(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
int rval = 0;
if (!(ha->fw_dump_reading || ha->mctp_dump_reading ||
ha->mpi_fw_dump_reading))
return 0;
mutex_lock(&ha->optrom_mutex);
if (IS_P3P_TYPE(ha)) {
if (off < ha->md_template_size) {
rval = memory_read_from_buffer(buf, count,
&off, ha->md_tmplt_hdr, ha->md_template_size);
} else {
off -= ha->md_template_size;
rval = memory_read_from_buffer(buf, count,
&off, ha->md_dump, ha->md_dump_size);
}
} else if (ha->mctp_dumped && ha->mctp_dump_reading) {
rval = memory_read_from_buffer(buf, count, &off, ha->mctp_dump,
MCTP_DUMP_SIZE);
} else if (ha->mpi_fw_dumped && ha->mpi_fw_dump_reading) {
rval = memory_read_from_buffer(buf, count, &off,
ha->mpi_fw_dump,
ha->mpi_fw_dump_len);
} else if (ha->fw_dump_reading) {
rval = memory_read_from_buffer(buf, count, &off, ha->fw_dump,
ha->fw_dump_len);
} else {
rval = 0;
}
mutex_unlock(&ha->optrom_mutex);
return rval;
}
static ssize_t
qla2x00_sysfs_write_fw_dump(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
int reading;
if (off != 0)
return (0);
reading = simple_strtol(buf, NULL, 10);
switch (reading) {
case 0:
if (!ha->fw_dump_reading)
break;
ql_log(ql_log_info, vha, 0x705d,
"Firmware dump cleared on (%ld).\n", vha->host_no);
if (IS_P3P_TYPE(ha)) {
qla82xx_md_free(vha);
qla82xx_md_prep(vha);
}
ha->fw_dump_reading = 0;
ha->fw_dumped = false;
break;
case 1:
if (ha->fw_dumped && !ha->fw_dump_reading) {
ha->fw_dump_reading = 1;
ql_log(ql_log_info, vha, 0x705e,
"Raw firmware dump ready for read on (%ld).\n",
vha->host_no);
}
break;
case 2:
qla2x00_alloc_fw_dump(vha);
break;
case 3:
if (IS_QLA82XX(ha)) {
qla82xx_idc_lock(ha);
qla82xx_set_reset_owner(vha);
qla82xx_idc_unlock(ha);
} else if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
qla82xx_set_reset_owner(vha);
qla8044_idc_unlock(ha);
} else {
qla2x00_system_error(vha);
}
break;
case 4:
if (IS_P3P_TYPE(ha)) {
if (ha->md_tmplt_hdr)
ql_dbg(ql_dbg_user, vha, 0x705b,
"MiniDump supported with this firmware.\n");
else
ql_dbg(ql_dbg_user, vha, 0x709d,
"MiniDump not supported with this firmware.\n");
}
break;
case 5:
if (IS_P3P_TYPE(ha))
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
case 6:
if (!ha->mctp_dump_reading)
break;
ql_log(ql_log_info, vha, 0x70c1,
"MCTP dump cleared on (%ld).\n", vha->host_no);
ha->mctp_dump_reading = 0;
ha->mctp_dumped = 0;
break;
case 7:
if (ha->mctp_dumped && !ha->mctp_dump_reading) {
ha->mctp_dump_reading = 1;
ql_log(ql_log_info, vha, 0x70c2,
"Raw mctp dump ready for read on (%ld).\n",
vha->host_no);
}
break;
case 8:
if (!ha->mpi_fw_dump_reading)
break;
ql_log(ql_log_info, vha, 0x70e7,
"MPI firmware dump cleared on (%ld).\n", vha->host_no);
ha->mpi_fw_dump_reading = 0;
ha->mpi_fw_dumped = 0;
break;
case 9:
if (ha->mpi_fw_dumped && !ha->mpi_fw_dump_reading) {
ha->mpi_fw_dump_reading = 1;
ql_log(ql_log_info, vha, 0x70e8,
"Raw MPI firmware dump ready for read on (%ld).\n",
vha->host_no);
}
break;
case 10:
if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
ql_log(ql_log_info, vha, 0x70e9,
"Issuing MPI firmware dump on host#%ld.\n",
vha->host_no);
ha->isp_ops->mpi_fw_dump(vha, 0);
}
break;
}
return count;
}
static struct bin_attribute sysfs_fw_dump_attr = {
.attr = {
.name = "fw_dump",
.mode = S_IRUSR | S_IWUSR,
},
.size = 0,
.read = qla2x00_sysfs_read_fw_dump,
.write = qla2x00_sysfs_write_fw_dump,
};
static ssize_t
qla2x00_sysfs_read_nvram(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
uint32_t faddr;
struct active_regions active_regions = { };
if (!capable(CAP_SYS_ADMIN))
return 0;
mutex_lock(&ha->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&ha->optrom_mutex);
return -EAGAIN;
}
if (!IS_NOCACHE_VPD_TYPE(ha)) {
mutex_unlock(&ha->optrom_mutex);
goto skip;
}
faddr = ha->flt_region_nvram;
if (IS_QLA28XX(ha)) {
qla28xx_get_aux_images(vha, &active_regions);
if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
faddr = ha->flt_region_nvram_sec;
}
ha->isp_ops->read_optrom(vha, ha->nvram, faddr << 2, ha->nvram_size);
mutex_unlock(&ha->optrom_mutex);
skip:
return memory_read_from_buffer(buf, count, &off, ha->nvram,
ha->nvram_size);
}
static ssize_t
qla2x00_sysfs_write_nvram(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
uint16_t cnt;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size ||
!ha->isp_ops->write_nvram)
return -EINVAL;
/* Checksum NVRAM. */
if (IS_FWI2_CAPABLE(ha)) {
__le32 *iter = (__force __le32 *)buf;
uint32_t chksum;
chksum = 0;
for (cnt = 0; cnt < ((count >> 2) - 1); cnt++, iter++)
chksum += le32_to_cpu(*iter);
chksum = ~chksum + 1;
*iter = cpu_to_le32(chksum);
} else {
uint8_t *iter;
uint8_t chksum;
iter = (uint8_t *)buf;
chksum = 0;
for (cnt = 0; cnt < count - 1; cnt++)
chksum += *iter++;
chksum = ~chksum + 1;
*iter = chksum;
}
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x705f,
"HBA not online, failing NVRAM update.\n");
return -EAGAIN;
}
mutex_lock(&ha->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&ha->optrom_mutex);
return -EAGAIN;
}
/* Write NVRAM. */
ha->isp_ops->write_nvram(vha, buf, ha->nvram_base, count);
ha->isp_ops->read_nvram(vha, ha->nvram, ha->nvram_base,
count);
mutex_unlock(&ha->optrom_mutex);
ql_dbg(ql_dbg_user, vha, 0x7060,
"Setting ISP_ABORT_NEEDED\n");
/* NVRAM settings take effect immediately. */
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_chip_reset(vha);
return count;
}
static struct bin_attribute sysfs_nvram_attr = {
.attr = {
.name = "nvram",
.mode = S_IRUSR | S_IWUSR,
},
.size = 512,
.read = qla2x00_sysfs_read_nvram,
.write = qla2x00_sysfs_write_nvram,
};
static ssize_t
qla2x00_sysfs_read_optrom(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
ssize_t rval = 0;
mutex_lock(&ha->optrom_mutex);
if (ha->optrom_state != QLA_SREADING)
goto out;
rval = memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
ha->optrom_region_size);
out:
mutex_unlock(&ha->optrom_mutex);
return rval;
}
static ssize_t
qla2x00_sysfs_write_optrom(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
mutex_lock(&ha->optrom_mutex);
if (ha->optrom_state != QLA_SWRITING) {
mutex_unlock(&ha->optrom_mutex);
return -EINVAL;
}
if (off > ha->optrom_region_size) {
mutex_unlock(&ha->optrom_mutex);
return -ERANGE;
}
if (off + count > ha->optrom_region_size)
count = ha->optrom_region_size - off;
memcpy(&ha->optrom_buffer[off], buf, count);
mutex_unlock(&ha->optrom_mutex);
return count;
}
static struct bin_attribute sysfs_optrom_attr = {
.attr = {
.name = "optrom",
.mode = S_IRUSR | S_IWUSR,
},
.size = 0,
.read = qla2x00_sysfs_read_optrom,
.write = qla2x00_sysfs_write_optrom,
};
static ssize_t
qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
uint32_t start = 0;
uint32_t size = ha->optrom_size;
int val, valid;
ssize_t rval = count;
if (off)
return -EINVAL;
if (unlikely(pci_channel_offline(ha->pdev)))
return -EAGAIN;
if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
return -EINVAL;
if (start > ha->optrom_size)
return -EINVAL;
if (size > ha->optrom_size - start)
size = ha->optrom_size - start;
mutex_lock(&ha->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&ha->optrom_mutex);
return -EAGAIN;
}
switch (val) {
case 0:
if (ha->optrom_state != QLA_SREADING &&
ha->optrom_state != QLA_SWRITING) {
rval = -EINVAL;
goto out;
}
ha->optrom_state = QLA_SWAITING;
ql_dbg(ql_dbg_user, vha, 0x7061,
"Freeing flash region allocation -- 0x%x bytes.\n",
ha->optrom_region_size);
vfree(ha->optrom_buffer);
ha->optrom_buffer = NULL;
break;
case 1:
if (ha->optrom_state != QLA_SWAITING) {
rval = -EINVAL;
goto out;
}
ha->optrom_region_start = start;
ha->optrom_region_size = size;
ha->optrom_state = QLA_SREADING;
ha->optrom_buffer = vzalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
ql_log(ql_log_warn, vha, 0x7062,
"Unable to allocate memory for optrom retrieval "
"(%x).\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
rval = -ENOMEM;
goto out;
}
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7063,
"HBA not online, failing NVRAM update.\n");
rval = -EAGAIN;
goto out;
}
ql_dbg(ql_dbg_user, vha, 0x7064,
"Reading flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size);
ha->isp_ops->read_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
break;
case 2:
if (ha->optrom_state != QLA_SWAITING) {
rval = -EINVAL;
goto out;
}
/*
* We need to be more restrictive on which FLASH regions are
* allowed to be updated via user-space. Regions accessible
* via this method include:
*
* ISP21xx/ISP22xx/ISP23xx type boards:
*
* 0x000000 -> 0x020000 -- Boot code.
*
* ISP2322/ISP24xx type boards:
*
* 0x000000 -> 0x07ffff -- Boot code.
* 0x080000 -> 0x0fffff -- Firmware.
*
* ISP25xx type boards:
*
* 0x000000 -> 0x07ffff -- Boot code.
* 0x080000 -> 0x0fffff -- Firmware.
* 0x120000 -> 0x12ffff -- VPD and HBA parameters.
*
* > ISP25xx type boards:
*
* None -- should go through BSG.
*/
valid = 0;
if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
valid = 1;
else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha))
valid = 1;
if (!valid) {
ql_log(ql_log_warn, vha, 0x7065,
"Invalid start region 0x%x/0x%x.\n", start, size);
rval = -EINVAL;
goto out;
}
ha->optrom_region_start = start;
ha->optrom_region_size = size;
ha->optrom_state = QLA_SWRITING;
ha->optrom_buffer = vzalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
ql_log(ql_log_warn, vha, 0x7066,
"Unable to allocate memory for optrom update "
"(%x)\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
rval = -ENOMEM;
goto out;
}
ql_dbg(ql_dbg_user, vha, 0x7067,
"Staging flash region write -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size);
break;
case 3:
if (ha->optrom_state != QLA_SWRITING) {
rval = -EINVAL;
goto out;
}
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7068,
"HBA not online, failing flash update.\n");
rval = -EAGAIN;
goto out;
}
ql_dbg(ql_dbg_user, vha, 0x7069,
"Writing flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size);
rval = ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
if (rval)
rval = -EIO;
break;
default:
rval = -EINVAL;
}
out:
mutex_unlock(&ha->optrom_mutex);
return rval;
}
static struct bin_attribute sysfs_optrom_ctl_attr = {
.attr = {
.name = "optrom_ctl",
.mode = S_IWUSR,
},
.size = 0,
.write = qla2x00_sysfs_write_optrom_ctl,
};
static ssize_t
qla2x00_sysfs_read_vpd(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
uint32_t faddr;
struct active_regions active_regions = { };
if (unlikely(pci_channel_offline(ha->pdev)))
return -EAGAIN;
if (!capable(CAP_SYS_ADMIN))
return -EINVAL;
if (!IS_NOCACHE_VPD_TYPE(ha))
goto skip;
faddr = ha->flt_region_vpd << 2;
if (IS_QLA28XX(ha)) {
qla28xx_get_aux_images(vha, &active_regions);
if (active_regions.aux.vpd_nvram == QLA27XX_SECONDARY_IMAGE)
faddr = ha->flt_region_vpd_sec << 2;
ql_dbg(ql_dbg_init, vha, 0x7070,
"Loading %s nvram image.\n",
active_regions.aux.vpd_nvram == QLA27XX_PRIMARY_IMAGE ?
"primary" : "secondary");
}
mutex_lock(&ha->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&ha->optrom_mutex);
return -EAGAIN;
}
ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
mutex_unlock(&ha->optrom_mutex);
ha->isp_ops->read_optrom(vha, ha->vpd, faddr, ha->vpd_size);
skip:
return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
}
static ssize_t
qla2x00_sysfs_write_vpd(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
uint8_t *tmp_data;
if (unlikely(pci_channel_offline(ha->pdev)))
return 0;
if (qla2x00_chip_is_down(vha))
return 0;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size ||
!ha->isp_ops->write_nvram)
return 0;
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x706a,
"HBA not online, failing VPD update.\n");
return -EAGAIN;
}
mutex_lock(&ha->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&ha->optrom_mutex);
return -EAGAIN;
}
/* Write NVRAM. */
ha->isp_ops->write_nvram(vha, buf, ha->vpd_base, count);
ha->isp_ops->read_nvram(vha, ha->vpd, ha->vpd_base, count);
/* Update flash version information for 4Gb & above. */
if (!IS_FWI2_CAPABLE(ha)) {
mutex_unlock(&ha->optrom_mutex);
return -EINVAL;
}
tmp_data = vmalloc(256);
if (!tmp_data) {
mutex_unlock(&ha->optrom_mutex);
ql_log(ql_log_warn, vha, 0x706b,
"Unable to allocate memory for VPD information update.\n");
return -ENOMEM;
}
ha->isp_ops->get_flash_version(vha, tmp_data);
vfree(tmp_data);
mutex_unlock(&ha->optrom_mutex);
return count;
}
static struct bin_attribute sysfs_vpd_attr = {
.attr = {
.name = "vpd",
.mode = S_IRUSR | S_IWUSR,
},
.size = 0,
.read = qla2x00_sysfs_read_vpd,
.write = qla2x00_sysfs_write_vpd,
};
static ssize_t
qla2x00_sysfs_read_sfp(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
int rval;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count < SFP_DEV_SIZE)
return 0;
mutex_lock(&vha->hw->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&vha->hw->optrom_mutex);
return 0;
}
rval = qla2x00_read_sfp_dev(vha, buf, count);
mutex_unlock(&vha->hw->optrom_mutex);
if (rval)
return -EIO;
return count;
}
static struct bin_attribute sysfs_sfp_attr = {
.attr = {
.name = "sfp",
.mode = S_IRUSR | S_IWUSR,
},
.size = SFP_DEV_SIZE,
.read = qla2x00_sysfs_read_sfp,
};
static ssize_t
qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
int type;
uint32_t idc_control;
uint8_t *tmp_data = NULL;
if (off != 0)
return -EINVAL;
type = simple_strtol(buf, NULL, 10);
switch (type) {
case 0x2025c:
ql_log(ql_log_info, vha, 0x706e,
"Issuing ISP reset.\n");
if (vha->hw->flags.port_isolated) {
ql_log(ql_log_info, vha, 0x706e,
"Port is isolated, returning.\n");
return -EINVAL;
}
scsi_block_requests(vha->host);
if (IS_QLA82XX(ha)) {
ha->flags.isp82xx_no_md_cap = 1;
qla82xx_idc_lock(ha);
qla82xx_set_reset_owner(vha);
qla82xx_idc_unlock(ha);
} else if (IS_QLA8044(ha)) {
qla8044_idc_lock(ha);
idc_control = qla8044_rd_reg(ha,
QLA8044_IDC_DRV_CTRL);
qla8044_wr_reg(ha, QLA8044_IDC_DRV_CTRL,
(idc_control | GRACEFUL_RESET_BIT1));
qla82xx_set_reset_owner(vha);
qla8044_idc_unlock(ha);
} else {
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
qla2x00_wait_for_chip_reset(vha);
scsi_unblock_requests(vha->host);
break;
case 0x2025d:
if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return -EPERM;
ql_log(ql_log_info, vha, 0x706f,
"Issuing MPI reset.\n");
if (IS_QLA83XX(ha)) {
uint32_t idc_control;
qla83xx_idc_lock(vha, 0);
__qla83xx_get_idc_control(vha, &idc_control);
idc_control |= QLA83XX_IDC_GRACEFUL_RESET;
__qla83xx_set_idc_control(vha, idc_control);
qla83xx_wr_reg(vha, QLA83XX_IDC_DEV_STATE,
QLA8XXX_DEV_NEED_RESET);
qla83xx_idc_audit(vha, IDC_AUDIT_TIMESTAMP);
qla83xx_idc_unlock(vha, 0);
break;
} else {
/* Make sure FC side is not in reset */
WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
QLA_SUCCESS);
/* Issue MPI reset */
scsi_block_requests(vha->host);
if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x7070,
"MPI reset failed.\n");
scsi_unblock_requests(vha->host);
break;
}
break;
case 0x2025e:
if (!IS_P3P_TYPE(ha) || vha != base_vha) {
ql_log(ql_log_info, vha, 0x7071,
"FCoE ctx reset not supported.\n");
return -EPERM;
}
ql_log(ql_log_info, vha, 0x7072,
"Issuing FCoE ctx reset.\n");
set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_fcoe_ctx_reset(vha);
break;
case 0x2025f:
if (!IS_QLA8031(ha))
return -EPERM;
ql_log(ql_log_info, vha, 0x70bc,
"Disabling Reset by IDC control\n");
qla83xx_idc_lock(vha, 0);
__qla83xx_get_idc_control(vha, &idc_control);
idc_control |= QLA83XX_IDC_RESET_DISABLED;
__qla83xx_set_idc_control(vha, idc_control);
qla83xx_idc_unlock(vha, 0);
break;
case 0x20260:
if (!IS_QLA8031(ha))
return -EPERM;
ql_log(ql_log_info, vha, 0x70bd,
"Enabling Reset by IDC control\n");
qla83xx_idc_lock(vha, 0);
__qla83xx_get_idc_control(vha, &idc_control);
idc_control &= ~QLA83XX_IDC_RESET_DISABLED;
__qla83xx_set_idc_control(vha, idc_control);
qla83xx_idc_unlock(vha, 0);
break;
case 0x20261:
ql_dbg(ql_dbg_user, vha, 0x70e0,
"Updating cache versions without reset ");
tmp_data = vmalloc(256);
if (!tmp_data) {
ql_log(ql_log_warn, vha, 0x70e1,
"Unable to allocate memory for VPD information update.\n");
return -ENOMEM;
}
ha->isp_ops->get_flash_version(vha, tmp_data);
vfree(tmp_data);
break;
}
return count;
}
static struct bin_attribute sysfs_reset_attr = {
.attr = {
.name = "reset",
.mode = S_IWUSR,
},
.size = 0,
.write = qla2x00_sysfs_write_reset,
};
static ssize_t
qla2x00_issue_logo(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
int type;
port_id_t did;
if (!capable(CAP_SYS_ADMIN))
return 0;
if (unlikely(pci_channel_offline(vha->hw->pdev)))
return 0;
if (qla2x00_chip_is_down(vha))
return 0;
type = simple_strtol(buf, NULL, 10);
did.b.domain = (type & 0x00ff0000) >> 16;
did.b.area = (type & 0x0000ff00) >> 8;
did.b.al_pa = (type & 0x000000ff);
ql_log(ql_log_info, vha, 0xd04d, "portid=%02x%02x%02x done\n",
did.b.domain, did.b.area, did.b.al_pa);
ql_log(ql_log_info, vha, 0x70e4, "%s: %d\n", __func__, type);
qla24xx_els_dcmd_iocb(vha, ELS_DCMD_LOGO, did);
return count;
}
static struct bin_attribute sysfs_issue_logo_attr = {
.attr = {
.name = "issue_logo",
.mode = S_IWUSR,
},
.size = 0,
.write = qla2x00_issue_logo,
};
static ssize_t
qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
int rval;
uint16_t actual_size;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count > XGMAC_DATA_SIZE)
return 0;
if (unlikely(pci_channel_offline(ha->pdev)))
return 0;
mutex_lock(&vha->hw->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&vha->hw->optrom_mutex);
return 0;
}
if (ha->xgmac_data)
goto do_read;
ha->xgmac_data = dma_alloc_coherent(&ha->pdev->dev, XGMAC_DATA_SIZE,
&ha->xgmac_data_dma, GFP_KERNEL);
if (!ha->xgmac_data) {
mutex_unlock(&vha->hw->optrom_mutex);
ql_log(ql_log_warn, vha, 0x7076,
"Unable to allocate memory for XGMAC read-data.\n");
return 0;
}
do_read:
actual_size = 0;
memset(ha->xgmac_data, 0, XGMAC_DATA_SIZE);
rval = qla2x00_get_xgmac_stats(vha, ha->xgmac_data_dma,
XGMAC_DATA_SIZE, &actual_size);
mutex_unlock(&vha->hw->optrom_mutex);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7077,
"Unable to read XGMAC data (%x).\n", rval);
count = 0;
}
count = actual_size > count ? count : actual_size;
memcpy(buf, ha->xgmac_data, count);
return count;
}
static struct bin_attribute sysfs_xgmac_stats_attr = {
.attr = {
.name = "xgmac_stats",
.mode = S_IRUSR,
},
.size = 0,
.read = qla2x00_sysfs_read_xgmac_stats,
};
static ssize_t
qla2x00_sysfs_read_dcbx_tlv(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t off, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
struct qla_hw_data *ha = vha->hw;
int rval;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count > DCBX_TLV_DATA_SIZE)
return 0;
mutex_lock(&vha->hw->optrom_mutex);
if (ha->dcbx_tlv)
goto do_read;
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&vha->hw->optrom_mutex);
return 0;
}
ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
&ha->dcbx_tlv_dma, GFP_KERNEL);
if (!ha->dcbx_tlv) {
mutex_unlock(&vha->hw->optrom_mutex);
ql_log(ql_log_warn, vha, 0x7078,
"Unable to allocate memory for DCBX TLV read-data.\n");
return -ENOMEM;
}
do_read:
memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
DCBX_TLV_DATA_SIZE);
mutex_unlock(&vha->hw->optrom_mutex);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x7079,
"Unable to read DCBX TLV (%x).\n", rval);
return -EIO;
}
memcpy(buf, ha->dcbx_tlv, count);
return count;
}
static struct bin_attribute sysfs_dcbx_tlv_attr = {
.attr = {
.name = "dcbx_tlv",
.mode = S_IRUSR,
},
.size = 0,
.read = qla2x00_sysfs_read_dcbx_tlv,
};
static struct sysfs_entry {
char *name;
struct bin_attribute *attr;
int type;
} bin_file_entries[] = {
{ "fw_dump", &sysfs_fw_dump_attr, },
{ "nvram", &sysfs_nvram_attr, },
{ "optrom", &sysfs_optrom_attr, },
{ "optrom_ctl", &sysfs_optrom_ctl_attr, },
{ "vpd", &sysfs_vpd_attr, 1 },
{ "sfp", &sysfs_sfp_attr, 1 },
{ "reset", &sysfs_reset_attr, },
{ "issue_logo", &sysfs_issue_logo_attr, },
{ "xgmac_stats", &sysfs_xgmac_stats_attr, 3 },
{ "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 },
{ NULL },
};
void
qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha)
{
struct Scsi_Host *host = vha->host;
struct sysfs_entry *iter;
int ret;
for (iter = bin_file_entries; iter->name; iter++) {
if (iter->type && !IS_FWI2_CAPABLE(vha->hw))
continue;
if (iter->type == 2 && !IS_QLA25XX(vha->hw))
continue;
if (iter->type == 3 && !(IS_CNA_CAPABLE(vha->hw)))
continue;
ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
iter->attr);
if (ret)
ql_log(ql_log_warn, vha, 0x00f3,
"Unable to create sysfs %s binary attribute (%d).\n",
iter->name, ret);
else
ql_dbg(ql_dbg_init, vha, 0x00f4,
"Successfully created sysfs %s binary attribute.\n",
iter->name);
}
}
void
qla2x00_free_sysfs_attr(scsi_qla_host_t *vha, bool stop_beacon)
{
struct Scsi_Host *host = vha->host;
struct sysfs_entry *iter;
struct qla_hw_data *ha = vha->hw;
for (iter = bin_file_entries; iter->name; iter++) {
if (iter->type && !IS_FWI2_CAPABLE(ha))
continue;
if (iter->type == 2 && !IS_QLA25XX(ha))
continue;
if (iter->type == 3 && !(IS_CNA_CAPABLE(ha)))
continue;
sysfs_remove_bin_file(&host->shost_gendev.kobj,
iter->attr);
}
if (stop_beacon && ha->beacon_blink_led == 1)
ha->isp_ops->beacon_off(vha);
}
/* Scsi_Host attributes. */
static ssize_t
qla2x00_driver_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return scnprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
}
static ssize_t
qla2x00_fw_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
char fw_str[128];
return scnprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops->fw_version_str(vha, fw_str, sizeof(fw_str)));
}
static ssize_t
qla2x00_serial_num_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
uint32_t sn;
if (IS_QLAFX00(vha->hw)) {
return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->mr.serial_num);
} else if (IS_FWI2_CAPABLE(ha)) {
qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE - 1);
return strlen(strcat(buf, "\n"));
}
sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
return scnprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
sn % 100000);
}
static ssize_t
qla2x00_isp_name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "ISP%04X\n", vha->hw->pdev->device);
}
static ssize_t
qla2x00_isp_id_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (IS_QLAFX00(vha->hw))
return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->mr.hw_version);
return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
ha->product_id[0], ha->product_id[1], ha->product_id[2],
ha->product_id[3]);
}
static ssize_t
qla2x00_model_name_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_number);
}
static ssize_t
qla2x00_model_desc_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%s\n", vha->hw->model_desc);
}
static ssize_t
qla2x00_pci_info_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
char pci_info[30];
return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->isp_ops->pci_info_str(vha, pci_info,
sizeof(pci_info)));
}
static ssize_t
qla2x00_link_state_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
int len = 0;
if (atomic_read(&vha->loop_state) == LOOP_DOWN ||
atomic_read(&vha->loop_state) == LOOP_DEAD ||
vha->device_flags & DFLG_NO_CABLE)
len = scnprintf(buf, PAGE_SIZE, "Link Down\n");
else if (atomic_read(&vha->loop_state) != LOOP_READY ||
qla2x00_chip_is_down(vha))
len = scnprintf(buf, PAGE_SIZE, "Unknown Link State\n");
else {
len = scnprintf(buf, PAGE_SIZE, "Link Up - ");
switch (ha->current_topology) {
case ISP_CFG_NL:
len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
case ISP_CFG_FL:
len += scnprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
break;
case ISP_CFG_N:
len += scnprintf(buf + len, PAGE_SIZE-len,
"N_Port to N_Port\n");
break;
case ISP_CFG_F:
len += scnprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
break;
default:
len += scnprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
}
}
return len;
}
static ssize_t
qla2x00_zio_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int len = 0;
switch (vha->hw->zio_mode) {
case QLA_ZIO_MODE_6:
len += scnprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
break;
case QLA_ZIO_DISABLED:
len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
break;
}
return len;
}
static ssize_t
qla2x00_zio_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
int val = 0;
uint16_t zio_mode;
if (!IS_ZIO_SUPPORTED(ha))
return -ENOTSUPP;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if (val)
zio_mode = QLA_ZIO_MODE_6;
else
zio_mode = QLA_ZIO_DISABLED;
/* Update per-hba values and queue a reset. */
if (zio_mode != QLA_ZIO_DISABLED || ha->zio_mode != QLA_ZIO_DISABLED) {
ha->zio_mode = zio_mode;
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
}
return strlen(buf);
}
static ssize_t
qla2x00_zio_timer_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%d us\n", vha->hw->zio_timer * 100);
}
static ssize_t
qla2x00_zio_timer_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int val = 0;
uint16_t zio_timer;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if (val > 25500 || val < 100)
return -ERANGE;
zio_timer = (uint16_t)(val / 100);
vha->hw->zio_timer = zio_timer;
return strlen(buf);
}
static ssize_t
qla_zio_threshold_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%d exchanges\n",
vha->hw->last_zio_threshold);
}
static ssize_t
qla_zio_threshold_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int val = 0;
if (vha->hw->zio_mode != QLA_ZIO_MODE_6)
return -EINVAL;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if (val < 0 || val > 256)
return -ERANGE;
atomic_set(&vha->hw->zio_threshold, val);
return strlen(buf);
}
static ssize_t
qla2x00_beacon_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int len = 0;
if (vha->hw->beacon_blink_led)
len += scnprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
else
len += scnprintf(buf + len, PAGE_SIZE-len, "Disabled\n");
return len;
}
static ssize_t
qla2x00_beacon_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
int val = 0;
int rval;
if (IS_QLA2100(ha) || IS_QLA2200(ha))
return -EPERM;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
mutex_lock(&vha->hw->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&vha->hw->optrom_mutex);
ql_log(ql_log_warn, vha, 0x707a,
"Abort ISP active -- ignoring beacon request.\n");
return -EBUSY;
}
if (val)
rval = ha->isp_ops->beacon_on(vha);
else
rval = ha->isp_ops->beacon_off(vha);
if (rval != QLA_SUCCESS)
count = 0;
mutex_unlock(&vha->hw->optrom_mutex);
return count;
}
static ssize_t
qla2x00_beacon_config_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
uint16_t led[3] = { 0 };
if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return -EPERM;
if (ql26xx_led_config(vha, 0, led))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%#04hx %#04hx %#04hx\n",
led[0], led[1], led[2]);
}
static ssize_t
qla2x00_beacon_config_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
uint16_t options = BIT_0;
uint16_t led[3] = { 0 };
uint16_t word[4];
int n;
if (!IS_QLA2031(ha) && !IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return -EPERM;
n = sscanf(buf, "%hx %hx %hx %hx", word+0, word+1, word+2, word+3);
if (n == 4) {
if (word[0] == 3) {
options |= BIT_3|BIT_2|BIT_1;
led[0] = word[1];
led[1] = word[2];
led[2] = word[3];
goto write;
}
return -EINVAL;
}
if (n == 2) {
/* check led index */
if (word[0] == 0) {
options |= BIT_2;
led[0] = word[1];
goto write;
}
if (word[0] == 1) {
options |= BIT_3;
led[1] = word[1];
goto write;
}
if (word[0] == 2) {
options |= BIT_1;
led[2] = word[1];
goto write;
}
return -EINVAL;
}
return -EINVAL;
write:
if (ql26xx_led_config(vha, options, led))
return -EFAULT;
return count;
}
static ssize_t
qla2x00_optrom_bios_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
ha->bios_revision[0]);
}
static ssize_t
qla2x00_optrom_efi_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
ha->efi_revision[0]);
}
static ssize_t
qla2x00_optrom_fcode_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
return scnprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
ha->fcode_revision[0]);
}
static ssize_t
qla2x00_optrom_fw_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
ha->fw_revision[3]);
}
static ssize_t
qla2x00_optrom_gold_fw_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha) &&
!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n",
ha->gold_fw_version[0], ha->gold_fw_version[1],
ha->gold_fw_version[2], ha->gold_fw_version[3]);
}
static ssize_t
qla2x00_total_isp_aborts_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%d\n",
vha->qla_stats.total_isp_aborts);
}
static ssize_t
qla24xx_84xx_fw_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
int rval = QLA_SUCCESS;
uint16_t status[2] = { 0 };
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA84XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
if (!ha->cs84xx->op_fw_version) {
rval = qla84xx_verify_chip(vha, status);
if (!rval && !status[0])
return scnprintf(buf, PAGE_SIZE, "%u\n",
(uint32_t)ha->cs84xx->op_fw_version);
}
return scnprintf(buf, PAGE_SIZE, "\n");
}
static ssize_t
qla2x00_serdes_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
ha->serdes_version[0], ha->serdes_version[1],
ha->serdes_version[2]);
}
static ssize_t
qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha) && !IS_QLA8044(ha) &&
!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
ha->mpi_version[0], ha->mpi_version[1], ha->mpi_version[2],
ha->mpi_capabilities);
}
static ssize_t
qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA81XX(ha) && !IS_QLA8031(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
ha->phy_version[0], ha->phy_version[1], ha->phy_version[2]);
}
static ssize_t
qla2x00_flash_block_size_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
return scnprintf(buf, PAGE_SIZE, "0x%x\n", ha->fdt_block_size);
}
static ssize_t
qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_CNA_CAPABLE(vha->hw))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id);
}
static ssize_t
qla2x00_vn_port_mac_address_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_CNA_CAPABLE(vha->hw))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%pMR\n", vha->fcoe_vn_port_mac);
}
static ssize_t
qla2x00_fabric_param_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
}
static ssize_t
qla2x00_thermal_temp_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
uint16_t temp = 0;
int rc;
mutex_lock(&vha->hw->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&vha->hw->optrom_mutex);
ql_log(ql_log_warn, vha, 0x70dc, "ISP reset active.\n");
goto done;
}
if (vha->hw->flags.eeh_busy) {
mutex_unlock(&vha->hw->optrom_mutex);
ql_log(ql_log_warn, vha, 0x70dd, "PCI EEH busy.\n");
goto done;
}
rc = qla2x00_get_thermal_temp(vha, &temp);
mutex_unlock(&vha->hw->optrom_mutex);
if (rc == QLA_SUCCESS)
return scnprintf(buf, PAGE_SIZE, "%d\n", temp);
done:
return scnprintf(buf, PAGE_SIZE, "\n");
}
static ssize_t
qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int rval = QLA_FUNCTION_FAILED;
uint16_t state[6];
uint32_t pstate;
if (IS_QLAFX00(vha->hw)) {
pstate = qlafx00_fw_state_show(dev, attr, buf);
return scnprintf(buf, PAGE_SIZE, "0x%x\n", pstate);
}
mutex_lock(&vha->hw->optrom_mutex);
if (qla2x00_chip_is_down(vha)) {
mutex_unlock(&vha->hw->optrom_mutex);
ql_log(ql_log_warn, vha, 0x707c,
"ISP reset active.\n");
goto out;
} else if (vha->hw->flags.eeh_busy) {
mutex_unlock(&vha->hw->optrom_mutex);
goto out;
}
rval = qla2x00_get_firmware_state(vha, state);
mutex_unlock(&vha->hw->optrom_mutex);
out:
if (rval != QLA_SUCCESS) {
memset(state, -1, sizeof(state));
rval = qla2x00_get_firmware_state(vha, state);
}
return scnprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x 0x%x\n",
state[0], state[1], state[2], state[3], state[4], state[5]);
}
static ssize_t
qla2x00_diag_requests_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_BIDI_CAPABLE(vha->hw))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%llu\n", vha->bidi_stats.io_count);
}
static ssize_t
qla2x00_diag_megabytes_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_BIDI_CAPABLE(vha->hw))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%llu\n",
vha->bidi_stats.transfer_bytes >> 20);
}
static ssize_t
qla2x00_fw_dump_size_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
uint32_t size;
if (!ha->fw_dumped)
size = 0;
else if (IS_P3P_TYPE(ha))
size = ha->md_template_size + ha->md_dump_size;
else
size = ha->fw_dump_len;
return scnprintf(buf, PAGE_SIZE, "%d\n", size);
}
static ssize_t
qla2x00_allow_cna_fw_dump_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_P3P_TYPE(vha->hw))
return scnprintf(buf, PAGE_SIZE, "\n");
else
return scnprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->allow_cna_fw_dump ? "true" : "false");
}
static ssize_t
qla2x00_allow_cna_fw_dump_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int val = 0;
if (!IS_P3P_TYPE(vha->hw))
return -EINVAL;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
vha->hw->allow_cna_fw_dump = val != 0;
return strlen(buf);
}
static ssize_t
qla2x00_pep_version_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n",
ha->pep_version[0], ha->pep_version[1], ha->pep_version[2]);
}
static ssize_t
qla2x00_min_supported_speed_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%s\n",
ha->min_supported_speed == 6 ? "64Gps" :
ha->min_supported_speed == 5 ? "32Gps" :
ha->min_supported_speed == 4 ? "16Gps" :
ha->min_supported_speed == 3 ? "8Gps" :
ha->min_supported_speed == 2 ? "4Gps" :
ha->min_supported_speed != 0 ? "unknown" : "");
}
static ssize_t
qla2x00_max_supported_speed_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%s\n",
ha->max_supported_speed == 2 ? "64Gps" :
ha->max_supported_speed == 1 ? "32Gps" :
ha->max_supported_speed == 0 ? "16Gps" : "unknown");
}
static ssize_t
qla2x00_port_speed_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
ulong type, speed;
int oldspeed, rval;
int mode = QLA_SET_DATA_RATE_LR;
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha)) {
ql_log(ql_log_warn, vha, 0x70d8,
"Speed setting not supported \n");
return -EINVAL;
}
rval = kstrtol(buf, 10, &type);
if (rval)
return rval;
speed = type;
if (type == 40 || type == 80 || type == 160 ||
type == 320) {
ql_dbg(ql_dbg_user, vha, 0x70d9,
"Setting will be affected after a loss of sync\n");
type = type/10;
mode = QLA_SET_DATA_RATE_NOLR;
}
oldspeed = ha->set_data_rate;
switch (type) {
case 0:
ha->set_data_rate = PORT_SPEED_AUTO;
break;
case 4:
ha->set_data_rate = PORT_SPEED_4GB;
break;
case 8:
ha->set_data_rate = PORT_SPEED_8GB;
break;
case 16:
ha->set_data_rate = PORT_SPEED_16GB;
break;
case 32:
ha->set_data_rate = PORT_SPEED_32GB;
break;
default:
ql_log(ql_log_warn, vha, 0x1199,
"Unrecognized speed setting:%lx. Setting Autoneg\n",
speed);
ha->set_data_rate = PORT_SPEED_AUTO;
}
if (qla2x00_chip_is_down(vha) || (oldspeed == ha->set_data_rate))
return -EINVAL;
ql_log(ql_log_info, vha, 0x70da,
"Setting speed to %lx Gbps \n", type);
rval = qla2x00_set_data_rate(vha, mode);
if (rval != QLA_SUCCESS)
return -EIO;
return strlen(buf);
}
static const struct {
u16 rate;
char *str;
} port_speed_str[] = {
{ PORT_SPEED_4GB, "4" },
{ PORT_SPEED_8GB, "8" },
{ PORT_SPEED_16GB, "16" },
{ PORT_SPEED_32GB, "32" },
{ PORT_SPEED_64GB, "64" },
{ PORT_SPEED_10GB, "10" },
};
static ssize_t
qla2x00_port_speed_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct scsi_qla_host *vha = shost_priv(dev_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
ssize_t rval;
u16 i;
char *speed = "Unknown";
rval = qla2x00_get_data_rate(vha);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x70db,
"Unable to get port speed rval:%zd\n", rval);
return -EINVAL;
}
for (i = 0; i < ARRAY_SIZE(port_speed_str); i++) {
if (port_speed_str[i].rate != ha->link_data_rate)
continue;
speed = port_speed_str[i].str;
break;
}
return scnprintf(buf, PAGE_SIZE, "%s\n", speed);
}
static ssize_t
qla2x00_mpi_pause_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int rval = 0;
if (sscanf(buf, "%d", &rval) != 1)
return -EINVAL;
ql_log(ql_log_warn, vha, 0x7089, "Pausing MPI...\n");
rval = qla83xx_wr_reg(vha, 0x002012d4, 0x30000001);
if (rval != QLA_SUCCESS) {
ql_log(ql_log_warn, vha, 0x708a, "Unable to pause MPI.\n");
count = 0;
}
return count;
}
static DEVICE_ATTR(mpi_pause, S_IWUSR, NULL, qla2x00_mpi_pause_store);
/* ----- */
static ssize_t
qlini_mode_show(struct device *dev, struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int len = 0;
len += scnprintf(buf + len, PAGE_SIZE-len,
"Supported options: enabled | disabled | dual | exclusive\n");
/* --- */
len += scnprintf(buf + len, PAGE_SIZE-len, "Current selection: ");
switch (vha->qlini_mode) {
case QLA2XXX_INI_MODE_EXCLUSIVE:
len += scnprintf(buf + len, PAGE_SIZE-len,
QLA2XXX_INI_MODE_STR_EXCLUSIVE);
break;
case QLA2XXX_INI_MODE_DISABLED:
len += scnprintf(buf + len, PAGE_SIZE-len,
QLA2XXX_INI_MODE_STR_DISABLED);
break;
case QLA2XXX_INI_MODE_ENABLED:
len += scnprintf(buf + len, PAGE_SIZE-len,
QLA2XXX_INI_MODE_STR_ENABLED);
break;
case QLA2XXX_INI_MODE_DUAL:
len += scnprintf(buf + len, PAGE_SIZE-len,
QLA2XXX_INI_MODE_STR_DUAL);
break;
}
len += scnprintf(buf + len, PAGE_SIZE-len, "\n");
return len;
}
static char *mode_to_str[] = {
"exclusive",
"disabled",
"enabled",
"dual",
};
#define NEED_EXCH_OFFLOAD(_exchg) ((_exchg) > FW_DEF_EXCHANGES_CNT)
static void qla_set_ini_mode(scsi_qla_host_t *vha, int op)
{
enum {
NO_ACTION,
MODE_CHANGE_ACCEPT,
MODE_CHANGE_NO_ACTION,
TARGET_STILL_ACTIVE,
};
int action = NO_ACTION;
int set_mode = 0;
u8 eo_toggle = 0; /* exchange offload flipped */
switch (vha->qlini_mode) {
case QLA2XXX_INI_MODE_DISABLED:
switch (op) {
case QLA2XXX_INI_MODE_DISABLED:
if (qla_tgt_mode_enabled(vha)) {
if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if (((vha->ql2xexchoffld !=
vha->u_ql2xexchoffld) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
eo_toggle) {
/*
* The number of exchange to be offload
* was tweaked or offload option was
* flipped
*/
action = MODE_CHANGE_ACCEPT;
} else {
action = MODE_CHANGE_NO_ACTION;
}
} else {
action = MODE_CHANGE_NO_ACTION;
}
break;
case QLA2XXX_INI_MODE_EXCLUSIVE:
if (qla_tgt_mode_enabled(vha)) {
if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if (((vha->ql2xexchoffld !=
vha->u_ql2xexchoffld) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
eo_toggle) {
/*
* The number of exchange to be offload
* was tweaked or offload option was
* flipped
*/
action = MODE_CHANGE_ACCEPT;
} else {
action = MODE_CHANGE_NO_ACTION;
}
} else {
action = MODE_CHANGE_ACCEPT;
}
break;
case QLA2XXX_INI_MODE_DUAL:
action = MODE_CHANGE_ACCEPT;
/* active_mode is target only, reset it to dual */
if (qla_tgt_mode_enabled(vha)) {
set_mode = 1;
action = MODE_CHANGE_ACCEPT;
} else {
action = MODE_CHANGE_NO_ACTION;
}
break;
case QLA2XXX_INI_MODE_ENABLED:
if (qla_tgt_mode_enabled(vha))
action = TARGET_STILL_ACTIVE;
else {
action = MODE_CHANGE_ACCEPT;
set_mode = 1;
}
break;
}
break;
case QLA2XXX_INI_MODE_EXCLUSIVE:
switch (op) {
case QLA2XXX_INI_MODE_EXCLUSIVE:
if (qla_tgt_mode_enabled(vha)) {
if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if (((vha->ql2xexchoffld !=
vha->u_ql2xexchoffld) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
eo_toggle)
/*
* The number of exchange to be offload
* was tweaked or offload option was
* flipped
*/
action = MODE_CHANGE_ACCEPT;
else
action = NO_ACTION;
} else
action = NO_ACTION;
break;
case QLA2XXX_INI_MODE_DISABLED:
if (qla_tgt_mode_enabled(vha)) {
if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if (((vha->ql2xexchoffld !=
vha->u_ql2xexchoffld) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld)) ||
eo_toggle)
action = MODE_CHANGE_ACCEPT;
else
action = MODE_CHANGE_NO_ACTION;
} else
action = MODE_CHANGE_NO_ACTION;
break;
case QLA2XXX_INI_MODE_DUAL: /* exclusive -> dual */
if (qla_tgt_mode_enabled(vha)) {
action = MODE_CHANGE_ACCEPT;
set_mode = 1;
} else
action = MODE_CHANGE_ACCEPT;
break;
case QLA2XXX_INI_MODE_ENABLED:
if (qla_tgt_mode_enabled(vha))
action = TARGET_STILL_ACTIVE;
else {
if (vha->hw->flags.fw_started)
action = MODE_CHANGE_NO_ACTION;
else
action = MODE_CHANGE_ACCEPT;
}
break;
}
break;
case QLA2XXX_INI_MODE_ENABLED:
switch (op) {
case QLA2XXX_INI_MODE_ENABLED:
if (NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if (((vha->ql2xiniexchg != vha->u_ql2xiniexchg) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg)) ||
eo_toggle)
action = MODE_CHANGE_ACCEPT;
else
action = NO_ACTION;
break;
case QLA2XXX_INI_MODE_DUAL:
case QLA2XXX_INI_MODE_DISABLED:
action = MODE_CHANGE_ACCEPT;
break;
default:
action = MODE_CHANGE_NO_ACTION;
break;
}
break;
case QLA2XXX_INI_MODE_DUAL:
switch (op) {
case QLA2XXX_INI_MODE_DUAL:
if (qla_tgt_mode_enabled(vha) ||
qla_dual_mode_enabled(vha)) {
if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
vha->u_ql2xiniexchg) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if ((((vha->ql2xexchoffld +
vha->ql2xiniexchg) !=
(vha->u_ql2xiniexchg +
vha->u_ql2xexchoffld)) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
vha->u_ql2xexchoffld)) || eo_toggle)
action = MODE_CHANGE_ACCEPT;
else
action = NO_ACTION;
} else {
if (NEED_EXCH_OFFLOAD(vha->u_ql2xexchoffld +
vha->u_ql2xiniexchg) !=
vha->hw->flags.exchoffld_enabled)
eo_toggle = 1;
if ((((vha->ql2xexchoffld + vha->ql2xiniexchg)
!= (vha->u_ql2xiniexchg +
vha->u_ql2xexchoffld)) &&
NEED_EXCH_OFFLOAD(vha->u_ql2xiniexchg +
vha->u_ql2xexchoffld)) || eo_toggle)
action = MODE_CHANGE_NO_ACTION;
else
action = NO_ACTION;
}
break;
case QLA2XXX_INI_MODE_DISABLED:
if (qla_tgt_mode_enabled(vha) ||
qla_dual_mode_enabled(vha)) {
/* turning off initiator mode */
set_mode = 1;
action = MODE_CHANGE_ACCEPT;
} else {
action = MODE_CHANGE_NO_ACTION;
}
break;
case QLA2XXX_INI_MODE_EXCLUSIVE:
if (qla_tgt_mode_enabled(vha) ||
qla_dual_mode_enabled(vha)) {
set_mode = 1;
action = MODE_CHANGE_ACCEPT;
} else {
action = MODE_CHANGE_ACCEPT;
}
break;
case QLA2XXX_INI_MODE_ENABLED:
if (qla_tgt_mode_enabled(vha) ||
qla_dual_mode_enabled(vha)) {
action = TARGET_STILL_ACTIVE;
} else {
action = MODE_CHANGE_ACCEPT;
}
}
break;
}
switch (action) {
case MODE_CHANGE_ACCEPT:
ql_log(ql_log_warn, vha, 0xffff,
"Mode change accepted. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
mode_to_str[vha->qlini_mode], mode_to_str[op],
vha->ql2xexchoffld, vha->u_ql2xexchoffld,
vha->ql2xiniexchg, vha->u_ql2xiniexchg);
vha->qlini_mode = op;
vha->ql2xexchoffld = vha->u_ql2xexchoffld;
vha->ql2xiniexchg = vha->u_ql2xiniexchg;
if (set_mode)
qlt_set_mode(vha);
vha->flags.online = 1;
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
break;
case MODE_CHANGE_NO_ACTION:
ql_log(ql_log_warn, vha, 0xffff,
"Mode is set. No action taken. From %s to %s, Tgt exchg %d|%d. ini exchg %d|%d\n",
mode_to_str[vha->qlini_mode], mode_to_str[op],
vha->ql2xexchoffld, vha->u_ql2xexchoffld,
vha->ql2xiniexchg, vha->u_ql2xiniexchg);
vha->qlini_mode = op;
vha->ql2xexchoffld = vha->u_ql2xexchoffld;
vha->ql2xiniexchg = vha->u_ql2xiniexchg;
break;
case TARGET_STILL_ACTIVE:
ql_log(ql_log_warn, vha, 0xffff,
"Target Mode is active. Unable to change Mode.\n");
break;
case NO_ACTION:
default:
ql_log(ql_log_warn, vha, 0xffff,
"Mode unchange. No action taken. %d|%d pct %d|%d.\n",
vha->qlini_mode, op,
vha->ql2xexchoffld, vha->u_ql2xexchoffld);
break;
}
}
static ssize_t
qlini_mode_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int ini;
if (!buf)
return -EINVAL;
if (strncasecmp(QLA2XXX_INI_MODE_STR_EXCLUSIVE, buf,
strlen(QLA2XXX_INI_MODE_STR_EXCLUSIVE)) == 0)
ini = QLA2XXX_INI_MODE_EXCLUSIVE;
else if (strncasecmp(QLA2XXX_INI_MODE_STR_DISABLED, buf,
strlen(QLA2XXX_INI_MODE_STR_DISABLED)) == 0)
ini = QLA2XXX_INI_MODE_DISABLED;
else if (strncasecmp(QLA2XXX_INI_MODE_STR_ENABLED, buf,
strlen(QLA2XXX_INI_MODE_STR_ENABLED)) == 0)
ini = QLA2XXX_INI_MODE_ENABLED;
else if (strncasecmp(QLA2XXX_INI_MODE_STR_DUAL, buf,
strlen(QLA2XXX_INI_MODE_STR_DUAL)) == 0)
ini = QLA2XXX_INI_MODE_DUAL;
else
return -EINVAL;
qla_set_ini_mode(vha, ini);
return strlen(buf);
}
static ssize_t
ql2xexchoffld_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int len = 0;
len += scnprintf(buf + len, PAGE_SIZE-len,
"target exchange: new %d : current: %d\n\n",
vha->u_ql2xexchoffld, vha->ql2xexchoffld);
len += scnprintf(buf + len, PAGE_SIZE-len,
"Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
vha->host_no);
return len;
}
static ssize_t
ql2xexchoffld_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int val = 0;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if (val > FW_MAX_EXCHANGES_CNT)
val = FW_MAX_EXCHANGES_CNT;
else if (val < 0)
val = 0;
vha->u_ql2xexchoffld = val;
return strlen(buf);
}
static ssize_t
ql2xiniexchg_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int len = 0;
len += scnprintf(buf + len, PAGE_SIZE-len,
"target exchange: new %d : current: %d\n\n",
vha->u_ql2xiniexchg, vha->ql2xiniexchg);
len += scnprintf(buf + len, PAGE_SIZE-len,
"Please (re)set operating mode via \"/sys/class/scsi_host/host%ld/qlini_mode\" to load new setting.\n",
vha->host_no);
return len;
}
static ssize_t
ql2xiniexchg_store(struct device *dev, struct device_attribute *attr,
const char *buf, size_t count)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
int val = 0;
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if (val > FW_MAX_EXCHANGES_CNT)
val = FW_MAX_EXCHANGES_CNT;
else if (val < 0)
val = 0;
vha->u_ql2xiniexchg = val;
return strlen(buf);
}
static ssize_t
qla2x00_dif_bundle_statistics_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
return scnprintf(buf, PAGE_SIZE,
"cross=%llu read=%llu write=%llu kalloc=%llu dma_alloc=%llu unusable=%u\n",
ha->dif_bundle_crossed_pages, ha->dif_bundle_reads,
ha->dif_bundle_writes, ha->dif_bundle_kallocs,
ha->dif_bundle_dma_allocs, ha->pool.unusable.count);
}
static ssize_t
qla2x00_fw_attr_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (!IS_QLA27XX(ha) && !IS_QLA28XX(ha))
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%llx\n",
(uint64_t)ha->fw_attributes_ext[1] << 48 |
(uint64_t)ha->fw_attributes_ext[0] << 32 |
(uint64_t)ha->fw_attributes_h << 16 |
(uint64_t)ha->fw_attributes);
}
static ssize_t
qla2x00_port_no_show(struct device *dev, struct device_attribute *attr,
char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
return scnprintf(buf, PAGE_SIZE, "%u\n", vha->hw->port_no);
}
static ssize_t
qla2x00_dport_diagnostics_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
if (!IS_QLA83XX(vha->hw) && !IS_QLA27XX(vha->hw) &&
!IS_QLA28XX(vha->hw))
return scnprintf(buf, PAGE_SIZE, "\n");
if (!*vha->dport_data)
return scnprintf(buf, PAGE_SIZE, "\n");
return scnprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
vha->dport_data[0], vha->dport_data[1],
vha->dport_data[2], vha->dport_data[3]);
}
static DEVICE_ATTR(dport_diagnostics, 0444,
qla2x00_dport_diagnostics_show, NULL);
static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_driver_version_show, NULL);
static DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
static DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
static DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
static DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
static DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
static DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
static DEVICE_ATTR(link_state, S_IRUGO, qla2x00_link_state_show, NULL);
static DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show, qla2x00_zio_store);
static DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
qla2x00_zio_timer_store);
static DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
qla2x00_beacon_store);
static DEVICE_ATTR(beacon_config, 0644, qla2x00_beacon_config_show,
qla2x00_beacon_config_store);
static DEVICE_ATTR(optrom_bios_version, S_IRUGO,
qla2x00_optrom_bios_version_show, NULL);
static DEVICE_ATTR(optrom_efi_version, S_IRUGO,
qla2x00_optrom_efi_version_show, NULL);
static DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
qla2x00_optrom_fcode_version_show, NULL);
static DEVICE_ATTR(optrom_fw_version, S_IRUGO, qla2x00_optrom_fw_version_show,
NULL);
static DEVICE_ATTR(optrom_gold_fw_version, S_IRUGO,
qla2x00_optrom_gold_fw_version_show, NULL);
static DEVICE_ATTR(84xx_fw_version, S_IRUGO, qla24xx_84xx_fw_version_show,
NULL);
static DEVICE_ATTR(total_isp_aborts, S_IRUGO, qla2x00_total_isp_aborts_show,
NULL);
static DEVICE_ATTR(serdes_version, 0444, qla2x00_serdes_version_show, NULL);
static DEVICE_ATTR(mpi_version, S_IRUGO, qla2x00_mpi_version_show, NULL);
static DEVICE_ATTR(phy_version, S_IRUGO, qla2x00_phy_version_show, NULL);
static DEVICE_ATTR(flash_block_size, S_IRUGO, qla2x00_flash_block_size_show,
NULL);
static DEVICE_ATTR(vlan_id, S_IRUGO, qla2x00_vlan_id_show, NULL);
static DEVICE_ATTR(vn_port_mac_address, S_IRUGO,
qla2x00_vn_port_mac_address_show, NULL);
static DEVICE_ATTR(fabric_param, S_IRUGO, qla2x00_fabric_param_show, NULL);
static DEVICE_ATTR(fw_state, S_IRUGO, qla2x00_fw_state_show, NULL);
static DEVICE_ATTR(thermal_temp, S_IRUGO, qla2x00_thermal_temp_show, NULL);
static DEVICE_ATTR(diag_requests, S_IRUGO, qla2x00_diag_requests_show, NULL);
static DEVICE_ATTR(diag_megabytes, S_IRUGO, qla2x00_diag_megabytes_show, NULL);
static DEVICE_ATTR(fw_dump_size, S_IRUGO, qla2x00_fw_dump_size_show, NULL);
static DEVICE_ATTR(allow_cna_fw_dump, S_IRUGO | S_IWUSR,
qla2x00_allow_cna_fw_dump_show,
qla2x00_allow_cna_fw_dump_store);
static DEVICE_ATTR(pep_version, S_IRUGO, qla2x00_pep_version_show, NULL);
static DEVICE_ATTR(min_supported_speed, 0444,
qla2x00_min_supported_speed_show, NULL);
static DEVICE_ATTR(max_supported_speed, 0444,
qla2x00_max_supported_speed_show, NULL);
static DEVICE_ATTR(zio_threshold, 0644,
qla_zio_threshold_show,
qla_zio_threshold_store);
static DEVICE_ATTR_RW(qlini_mode);
static DEVICE_ATTR_RW(ql2xexchoffld);
static DEVICE_ATTR_RW(ql2xiniexchg);
static DEVICE_ATTR(dif_bundle_statistics, 0444,
qla2x00_dif_bundle_statistics_show, NULL);
static DEVICE_ATTR(port_speed, 0644, qla2x00_port_speed_show,
qla2x00_port_speed_store);
static DEVICE_ATTR(port_no, 0444, qla2x00_port_no_show, NULL);
static DEVICE_ATTR(fw_attr, 0444, qla2x00_fw_attr_show, NULL);
static struct attribute *qla2x00_host_attrs[] = {
&dev_attr_driver_version.attr,
&dev_attr_fw_version.attr,
&dev_attr_serial_num.attr,
&dev_attr_isp_name.attr,
&dev_attr_isp_id.attr,
&dev_attr_model_name.attr,
&dev_attr_model_desc.attr,
&dev_attr_pci_info.attr,
&dev_attr_link_state.attr,
&dev_attr_zio.attr,
&dev_attr_zio_timer.attr,
&dev_attr_beacon.attr,
&dev_attr_beacon_config.attr,
&dev_attr_optrom_bios_version.attr,
&dev_attr_optrom_efi_version.attr,
&dev_attr_optrom_fcode_version.attr,
&dev_attr_optrom_fw_version.attr,
&dev_attr_84xx_fw_version.attr,
&dev_attr_total_isp_aborts.attr,
&dev_attr_serdes_version.attr,
&dev_attr_mpi_version.attr,
&dev_attr_phy_version.attr,
&dev_attr_flash_block_size.attr,
&dev_attr_vlan_id.attr,
&dev_attr_vn_port_mac_address.attr,
&dev_attr_fabric_param.attr,
&dev_attr_fw_state.attr,
&dev_attr_optrom_gold_fw_version.attr,
&dev_attr_thermal_temp.attr,
&dev_attr_diag_requests.attr,
&dev_attr_diag_megabytes.attr,
&dev_attr_fw_dump_size.attr,
&dev_attr_allow_cna_fw_dump.attr,
&dev_attr_pep_version.attr,
&dev_attr_min_supported_speed.attr,
&dev_attr_max_supported_speed.attr,
&dev_attr_zio_threshold.attr,
&dev_attr_dif_bundle_statistics.attr,
&dev_attr_port_speed.attr,
&dev_attr_port_no.attr,
&dev_attr_fw_attr.attr,
&dev_attr_dport_diagnostics.attr,
&dev_attr_mpi_pause.attr,
&dev_attr_qlini_mode.attr,
&dev_attr_ql2xiniexchg.attr,
&dev_attr_ql2xexchoffld.attr,
NULL,
};
static umode_t qla_host_attr_is_visible(struct kobject *kobj,
struct attribute *attr, int i)
{
if (ql2x_ini_mode != QLA2XXX_INI_MODE_DUAL &&
(attr == &dev_attr_qlini_mode.attr ||
attr == &dev_attr_ql2xiniexchg.attr ||
attr == &dev_attr_ql2xexchoffld.attr))
return 0;
return attr->mode;
}
static const struct attribute_group qla2x00_host_attr_group = {
.is_visible = qla_host_attr_is_visible,
.attrs = qla2x00_host_attrs
};
const struct attribute_group *qla2x00_host_groups[] = {
&qla2x00_host_attr_group,
NULL
};
/* Host attributes. */
static void
qla2x00_get_host_port_id(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
fc_host_port_id(shost) = vha->d_id.b.domain << 16 |
vha->d_id.b.area << 8 | vha->d_id.b.al_pa;
}
static void
qla2x00_get_host_speed(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
u32 speed;
if (IS_QLAFX00(vha->hw)) {
qlafx00_get_host_speed(shost);
return;
}
switch (vha->hw->link_data_rate) {
case PORT_SPEED_1GB:
speed = FC_PORTSPEED_1GBIT;
break;
case PORT_SPEED_2GB:
speed = FC_PORTSPEED_2GBIT;
break;
case PORT_SPEED_4GB:
speed = FC_PORTSPEED_4GBIT;
break;
case PORT_SPEED_8GB:
speed = FC_PORTSPEED_8GBIT;
break;
case PORT_SPEED_10GB:
speed = FC_PORTSPEED_10GBIT;
break;
case PORT_SPEED_16GB:
speed = FC_PORTSPEED_16GBIT;
break;
case PORT_SPEED_32GB:
speed = FC_PORTSPEED_32GBIT;
break;
case PORT_SPEED_64GB:
speed = FC_PORTSPEED_64GBIT;
break;
default:
speed = FC_PORTSPEED_UNKNOWN;
break;
}
fc_host_speed(shost) = speed;
}
static void
qla2x00_get_host_port_type(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
uint32_t port_type;
if (vha->vp_idx) {
fc_host_port_type(shost) = FC_PORTTYPE_NPIV;
return;
}
switch (vha->hw->current_topology) {
case ISP_CFG_NL:
port_type = FC_PORTTYPE_LPORT;
break;
case ISP_CFG_FL:
port_type = FC_PORTTYPE_NLPORT;
break;
case ISP_CFG_N:
port_type = FC_PORTTYPE_PTP;
break;
case ISP_CFG_F:
port_type = FC_PORTTYPE_NPORT;
break;
default:
port_type = FC_PORTTYPE_UNKNOWN;
break;
}
fc_host_port_type(shost) = port_type;
}
static void
qla2x00_get_starget_node_name(struct scsi_target *starget)
{
struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
scsi_qla_host_t *vha = shost_priv(host);
fc_port_t *fcport;
u64 node_name = 0;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->rport &&
starget->id == fcport->rport->scsi_target_id) {
node_name = wwn_to_u64(fcport->node_name);
break;
}
}
fc_starget_node_name(starget) = node_name;
}
static void
qla2x00_get_starget_port_name(struct scsi_target *starget)
{
struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
scsi_qla_host_t *vha = shost_priv(host);
fc_port_t *fcport;
u64 port_name = 0;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->rport &&
starget->id == fcport->rport->scsi_target_id) {
port_name = wwn_to_u64(fcport->port_name);
break;
}
}
fc_starget_port_name(starget) = port_name;
}
static void
qla2x00_get_starget_port_id(struct scsi_target *starget)
{
struct Scsi_Host *host = dev_to_shost(starget->dev.parent);
scsi_qla_host_t *vha = shost_priv(host);
fc_port_t *fcport;
uint32_t port_id = ~0U;
list_for_each_entry(fcport, &vha->vp_fcports, list) {
if (fcport->rport &&
starget->id == fcport->rport->scsi_target_id) {
port_id = fcport->d_id.b.domain << 16 |
fcport->d_id.b.area << 8 | fcport->d_id.b.al_pa;
break;
}
}
fc_starget_port_id(starget) = port_id;
}
static inline void
qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
rport->dev_loss_tmo = timeout ? timeout : 1;
if (IS_ENABLED(CONFIG_NVME_FC) && fcport && fcport->nvme_remote_port)
nvme_fc_set_remoteport_devloss(fcport->nvme_remote_port,
rport->dev_loss_tmo);
}
static void
qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport)
{
struct Scsi_Host *host = rport_to_shost(rport);
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
unsigned long flags;
if (!fcport)
return;
ql_dbg(ql_dbg_async, fcport->vha, 0x5101,
DBG_FCPORT_PRFMT(fcport, "dev_loss_tmo expiry, rport_state=%d",
rport->port_state));
/*
* Now that the rport has been deleted, set the fcport state to
* FCS_DEVICE_DEAD, if the fcport is still lost.
*/
if (fcport->scan_state != QLA_FCPORT_FOUND)
qla2x00_set_fcport_state(fcport, FCS_DEVICE_DEAD);
/*
* Transport has effectively 'deleted' the rport, clear
* all local references.
*/
spin_lock_irqsave(host->host_lock, flags);
/* Confirm port has not reappeared before clearing pointers. */
if (rport->port_state != FC_PORTSTATE_ONLINE) {
fcport->rport = fcport->drport = NULL;
*((fc_port_t **)rport->dd_data) = NULL;
}
spin_unlock_irqrestore(host->host_lock, flags);
if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
return;
if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
return;
}
}
static void
qla2x00_terminate_rport_io(struct fc_rport *rport)
{
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
scsi_qla_host_t *vha;
if (!fcport)
return;
if (test_bit(UNLOADING, &fcport->vha->dpc_flags))
return;
if (test_bit(ABORT_ISP_ACTIVE, &fcport->vha->dpc_flags))
return;
vha = fcport->vha;
if (unlikely(pci_channel_offline(fcport->vha->hw->pdev))) {
qla2x00_abort_all_cmds(fcport->vha, DID_NO_CONNECT << 16);
qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24,
0, WAIT_TARGET);
return;
}
/*
* At this point all fcport's software-states are cleared. Perform any
* final cleanup of firmware resources (PCBs and XCBs).
*
* Attempt to cleanup only lost devices.
*/
if (fcport->loop_id != FC_NO_LOOP_ID) {
if (IS_FWI2_CAPABLE(fcport->vha->hw) &&
fcport->scan_state != QLA_FCPORT_FOUND) {
if (fcport->loop_id != FC_NO_LOOP_ID)
fcport->logout_on_delete = 1;
if (!EDIF_NEGOTIATION_PENDING(fcport)) {
ql_dbg(ql_dbg_disc, fcport->vha, 0x911e,
"%s %d schedule session deletion\n", __func__,
__LINE__);
qlt_schedule_sess_for_deletion(fcport);
}
} else if (!IS_FWI2_CAPABLE(fcport->vha->hw)) {
qla2x00_port_logout(fcport->vha, fcport);
}
}
/* check for any straggling io left behind */
if (qla2x00_eh_wait_for_pending_commands(fcport->vha, fcport->d_id.b24, 0, WAIT_TARGET)) {
ql_log(ql_log_warn, vha, 0x300b,
"IO not return. Resetting. \n");
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
qla2x00_wait_for_chip_reset(vha);
}
}
static int
qla2x00_issue_lip(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
if (IS_QLAFX00(vha->hw))
return 0;
if (vha->hw->flags.port_isolated)
return 0;
qla2x00_loop_reset(vha);
return 0;
}
static struct fc_host_statistics *
qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
int rval;
struct link_statistics *stats;
dma_addr_t stats_dma;
struct fc_host_statistics *p = &vha->fc_host_stat;
struct qla_qpair *qpair;
int i;
u64 ib = 0, ob = 0, ir = 0, or = 0;
memset(p, -1, sizeof(*p));
if (IS_QLAFX00(vha->hw))
goto done;
if (test_bit(UNLOADING, &vha->dpc_flags))
goto done;
if (unlikely(pci_channel_offline(ha->pdev)))
goto done;
if (qla2x00_chip_is_down(vha))
goto done;
stats = dma_alloc_coherent(&ha->pdev->dev, sizeof(*stats), &stats_dma,
GFP_KERNEL);
if (!stats) {
ql_log(ql_log_warn, vha, 0x707d,
"Failed to allocate memory for stats.\n");
goto done;
}
rval = QLA_FUNCTION_FAILED;
if (IS_FWI2_CAPABLE(ha)) {
rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, 0);
} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
!ha->dpc_active) {
/* Must be in a 'READY' state for statistics retrieval. */
rval = qla2x00_get_link_status(base_vha, base_vha->loop_id,
stats, stats_dma);
}
if (rval != QLA_SUCCESS)
goto done_free;
/* --- */
for (i = 0; i < vha->hw->max_qpairs; i++) {
qpair = vha->hw->queue_pair_map[i];
if (!qpair)
continue;
ir += qpair->counters.input_requests;
or += qpair->counters.output_requests;
ib += qpair->counters.input_bytes;
ob += qpair->counters.output_bytes;
}
ir += ha->base_qpair->counters.input_requests;
or += ha->base_qpair->counters.output_requests;
ib += ha->base_qpair->counters.input_bytes;
ob += ha->base_qpair->counters.output_bytes;
ir += vha->qla_stats.input_requests;
or += vha->qla_stats.output_requests;
ib += vha->qla_stats.input_bytes;
ob += vha->qla_stats.output_bytes;
/* --- */
p->link_failure_count = le32_to_cpu(stats->link_fail_cnt);
p->loss_of_sync_count = le32_to_cpu(stats->loss_sync_cnt);
p->loss_of_signal_count = le32_to_cpu(stats->loss_sig_cnt);
p->prim_seq_protocol_err_count = le32_to_cpu(stats->prim_seq_err_cnt);
p->invalid_tx_word_count = le32_to_cpu(stats->inval_xmit_word_cnt);
p->invalid_crc_count = le32_to_cpu(stats->inval_crc_cnt);
if (IS_FWI2_CAPABLE(ha)) {
p->lip_count = le32_to_cpu(stats->lip_cnt);
p->tx_frames = le32_to_cpu(stats->tx_frames);
p->rx_frames = le32_to_cpu(stats->rx_frames);
p->dumped_frames = le32_to_cpu(stats->discarded_frames);
p->nos_count = le32_to_cpu(stats->nos_rcvd);
p->error_frames =
le32_to_cpu(stats->dropped_frames) +
le32_to_cpu(stats->discarded_frames);
if (IS_QLA83XX(ha) || IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
p->rx_words = le64_to_cpu(stats->fpm_recv_word_cnt);
p->tx_words = le64_to_cpu(stats->fpm_xmit_word_cnt);
} else {
p->rx_words = ib >> 2;
p->tx_words = ob >> 2;
}
}
p->fcp_control_requests = vha->qla_stats.control_requests;
p->fcp_input_requests = ir;
p->fcp_output_requests = or;
p->fcp_input_megabytes = ib >> 20;
p->fcp_output_megabytes = ob >> 20;
p->seconds_since_last_reset =
get_jiffies_64() - vha->qla_stats.jiffies_at_last_reset;
do_div(p->seconds_since_last_reset, HZ);
done_free:
dma_free_coherent(&ha->pdev->dev, sizeof(struct link_statistics),
stats, stats_dma);
done:
return p;
}
static void
qla2x00_reset_host_stats(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
struct qla_hw_data *ha = vha->hw;
struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev);
struct link_statistics *stats;
dma_addr_t stats_dma;
int i;
struct qla_qpair *qpair;
memset(&vha->qla_stats, 0, sizeof(vha->qla_stats));
memset(&vha->fc_host_stat, 0, sizeof(vha->fc_host_stat));
for (i = 0; i < vha->hw->max_qpairs; i++) {
qpair = vha->hw->queue_pair_map[i];
if (!qpair)
continue;
memset(&qpair->counters, 0, sizeof(qpair->counters));
}
memset(&ha->base_qpair->counters, 0, sizeof(qpair->counters));
vha->qla_stats.jiffies_at_last_reset = get_jiffies_64();
if (IS_FWI2_CAPABLE(ha)) {
int rval;
stats = dma_alloc_coherent(&ha->pdev->dev,
sizeof(*stats), &stats_dma, GFP_KERNEL);
if (!stats) {
ql_log(ql_log_warn, vha, 0x70d7,
"Failed to allocate memory for stats.\n");
return;
}
/* reset firmware statistics */
rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma, BIT_0);
if (rval != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x70de,
"Resetting ISP statistics failed: rval = %d\n",
rval);
dma_free_coherent(&ha->pdev->dev, sizeof(*stats),
stats, stats_dma);
}
}
static void
qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
qla2x00_get_sym_node_name(vha, fc_host_symbolic_name(shost),
sizeof(fc_host_symbolic_name(shost)));
}
static void
qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
set_bit(REGISTER_FDMI_NEEDED, &vha->dpc_flags);
}
static void
qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
static const uint8_t node_name[WWN_SIZE] = {
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
};
u64 fabric_name = wwn_to_u64(node_name);
if (vha->device_flags & SWITCH_FOUND)
fabric_name = wwn_to_u64(vha->fabric_node_name);
fc_host_fabric_name(shost) = fabric_name;
}
static void
qla2x00_get_host_port_state(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
struct scsi_qla_host *base_vha = pci_get_drvdata(vha->hw->pdev);
if (!base_vha->flags.online) {
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
return;
}
switch (atomic_read(&base_vha->loop_state)) {
case LOOP_UPDATE:
fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
break;
case LOOP_DOWN:
if (test_bit(LOOP_RESYNC_NEEDED, &base_vha->dpc_flags))
fc_host_port_state(shost) = FC_PORTSTATE_DIAGNOSTICS;
else
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
break;
case LOOP_DEAD:
fc_host_port_state(shost) = FC_PORTSTATE_LINKDOWN;
break;
case LOOP_READY:
fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
break;
default:
fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
break;
}
}
static int
qla24xx_vport_create(struct fc_vport *fc_vport, bool disable)
{
int ret = 0;
uint8_t qos = 0;
scsi_qla_host_t *base_vha = shost_priv(fc_vport->shost);
scsi_qla_host_t *vha = NULL;
struct qla_hw_data *ha = base_vha->hw;
int cnt;
struct req_que *req = ha->req_q_map[0];
struct qla_qpair *qpair;
ret = qla24xx_vport_create_req_sanity_check(fc_vport);
if (ret) {
ql_log(ql_log_warn, vha, 0x707e,
"Vport sanity check failed, status %x\n", ret);
return (ret);
}
vha = qla24xx_create_vhost(fc_vport);
if (vha == NULL) {
ql_log(ql_log_warn, vha, 0x707f, "Vport create host failed.\n");
return FC_VPORT_FAILED;
}
if (disable) {
atomic_set(&vha->vp_state, VP_OFFLINE);
fc_vport_set_state(fc_vport, FC_VPORT_DISABLED);
} else
atomic_set(&vha->vp_state, VP_FAILED);
/* ready to create vport */
ql_log(ql_log_info, vha, 0x7080,
"VP entry id %d assigned.\n", vha->vp_idx);
/* initialized vport states */
atomic_set(&vha->loop_state, LOOP_DOWN);
vha->vp_err_state = VP_ERR_PORTDWN;
vha->vp_prev_err_state = VP_ERR_UNKWN;
/* Check if physical ha port is Up */
if (atomic_read(&base_vha->loop_state) == LOOP_DOWN ||
atomic_read(&base_vha->loop_state) == LOOP_DEAD) {
/* Don't retry or attempt login of this virtual port */
ql_dbg(ql_dbg_user, vha, 0x7081,
"Vport loop state is not UP.\n");
atomic_set(&vha->loop_state, LOOP_DEAD);
if (!disable)
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
}
if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) {
if (ha->fw_attributes & BIT_4) {
int prot = 0, guard;
vha->flags.difdix_supported = 1;
ql_dbg(ql_dbg_user, vha, 0x7082,
"Registered for DIF/DIX type 1 and 3 protection.\n");
scsi_host_set_prot(vha->host,
prot | SHOST_DIF_TYPE1_PROTECTION
| SHOST_DIF_TYPE2_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION
| SHOST_DIX_TYPE1_PROTECTION
| SHOST_DIX_TYPE2_PROTECTION
| SHOST_DIX_TYPE3_PROTECTION);
guard = SHOST_DIX_GUARD_CRC;
if (IS_PI_IPGUARD_CAPABLE(ha) &&
(ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha)))
guard |= SHOST_DIX_GUARD_IP;
scsi_host_set_guard(vha->host, guard);
} else
vha->flags.difdix_supported = 0;
}
if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
&ha->pdev->dev)) {
ql_dbg(ql_dbg_user, vha, 0x7083,
"scsi_add_host failure for VP[%d].\n", vha->vp_idx);
goto vport_create_failed_2;
}
/* initialize attributes */
fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
fc_host_supported_classes(vha->host) =
fc_host_supported_classes(base_vha->host);
fc_host_supported_speeds(vha->host) =
fc_host_supported_speeds(base_vha->host);
qlt_vport_create(vha, ha);
qla24xx_vport_disable(fc_vport, disable);
if (!ql2xmqsupport || !ha->npiv_info)
goto vport_queue;
/* Create a request queue in QoS mode for the vport */
for (cnt = 0; cnt < ha->nvram_npiv_size; cnt++) {
if (memcmp(ha->npiv_info[cnt].port_name, vha->port_name, 8) == 0
&& memcmp(ha->npiv_info[cnt].node_name, vha->node_name,
8) == 0) {
qos = ha->npiv_info[cnt].q_qos;
break;
}
}
if (qos) {
qpair = qla2xxx_create_qpair(vha, qos, vha->vp_idx, true);
if (!qpair)
ql_log(ql_log_warn, vha, 0x7084,
"Can't create qpair for VP[%d]\n",
vha->vp_idx);
else {
ql_dbg(ql_dbg_multiq, vha, 0xc001,
"Queue pair: %d Qos: %d) created for VP[%d]\n",
qpair->id, qos, vha->vp_idx);
ql_dbg(ql_dbg_user, vha, 0x7085,
"Queue Pair: %d Qos: %d) created for VP[%d]\n",
qpair->id, qos, vha->vp_idx);
req = qpair->req;
vha->qpair = qpair;
}
}
vport_queue:
vha->req = req;
return 0;
vport_create_failed_2:
qla24xx_disable_vp(vha);
qla24xx_deallocate_vp_id(vha);
scsi_host_put(vha->host);
return FC_VPORT_FAILED;
}
static int
qla24xx_vport_delete(struct fc_vport *fc_vport)
{
scsi_qla_host_t *vha = fc_vport->dd_data;
struct qla_hw_data *ha = vha->hw;
uint16_t id = vha->vp_idx;
set_bit(VPORT_DELETE, &vha->dpc_flags);
while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
msleep(1000);
qla24xx_disable_vp(vha);
qla2x00_wait_for_sess_deletion(vha);
qla_nvme_delete(vha);
qla_enode_stop(vha);
qla_edb_stop(vha);
vha->flags.delete_progress = 1;
qlt_remove_target(ha, vha);
fc_remove_host(vha->host);
scsi_remove_host(vha->host);
/* Allow timer to run to drain queued items, when removing vp */
qla24xx_deallocate_vp_id(vha);
if (vha->timer_active) {
qla2x00_vp_stop_timer(vha);
ql_dbg(ql_dbg_user, vha, 0x7086,
"Timer for the VP[%d] has stopped\n", vha->vp_idx);
}
qla2x00_free_fcports(vha);
mutex_lock(&ha->vport_lock);
ha->cur_vport_count--;
clear_bit(vha->vp_idx, ha->vp_idx_map);
mutex_unlock(&ha->vport_lock);
dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l,
vha->gnl.ldma);
vha->gnl.l = NULL;
vfree(vha->scan.l);
if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) {
if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS)
ql_log(ql_log_warn, vha, 0x7087,
"Queue Pair delete failed.\n");
}
ql_log(ql_log_info, vha, 0x7088, "VP[%d] deleted.\n", id);
scsi_host_put(vha->host);
return 0;
}
static int
qla24xx_vport_disable(struct fc_vport *fc_vport, bool disable)
{
scsi_qla_host_t *vha = fc_vport->dd_data;
if (disable)
qla24xx_disable_vp(vha);
else
qla24xx_enable_vp(vha);
return 0;
}
struct fc_function_template qla2xxx_transport_functions = {
.show_host_node_name = 1,
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.show_host_supported_speeds = 1,
.get_host_port_id = qla2x00_get_host_port_id,
.show_host_port_id = 1,
.get_host_speed = qla2x00_get_host_speed,
.show_host_speed = 1,
.get_host_port_type = qla2x00_get_host_port_type,
.show_host_port_type = 1,
.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
.show_host_symbolic_name = 1,
.set_host_system_hostname = qla2x00_set_host_system_hostname,
.show_host_system_hostname = 1,
.get_host_fabric_name = qla2x00_get_host_fabric_name,
.show_host_fabric_name = 1,
.get_host_port_state = qla2x00_get_host_port_state,
.show_host_port_state = 1,
.dd_fcrport_size = sizeof(struct fc_port *),
.show_rport_supported_classes = 1,
.get_starget_node_name = qla2x00_get_starget_node_name,
.show_starget_node_name = 1,
.get_starget_port_name = qla2x00_get_starget_port_name,
.show_starget_port_name = 1,
.get_starget_port_id = qla2x00_get_starget_port_id,
.show_starget_port_id = 1,
.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.issue_fc_host_lip = qla2x00_issue_lip,
.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
.terminate_rport_io = qla2x00_terminate_rport_io,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
.reset_fc_host_stats = qla2x00_reset_host_stats,
.vport_create = qla24xx_vport_create,
.vport_disable = qla24xx_vport_disable,
.vport_delete = qla24xx_vport_delete,
.bsg_request = qla24xx_bsg_request,
.bsg_timeout = qla24xx_bsg_timeout,
};
struct fc_function_template qla2xxx_transport_vport_functions = {
.show_host_node_name = 1,
.show_host_port_name = 1,
.show_host_supported_classes = 1,
.get_host_port_id = qla2x00_get_host_port_id,
.show_host_port_id = 1,
.get_host_speed = qla2x00_get_host_speed,
.show_host_speed = 1,
.get_host_port_type = qla2x00_get_host_port_type,
.show_host_port_type = 1,
.get_host_symbolic_name = qla2x00_get_host_symbolic_name,
.show_host_symbolic_name = 1,
.set_host_system_hostname = qla2x00_set_host_system_hostname,
.show_host_system_hostname = 1,
.get_host_fabric_name = qla2x00_get_host_fabric_name,
.show_host_fabric_name = 1,
.get_host_port_state = qla2x00_get_host_port_state,
.show_host_port_state = 1,
.dd_fcrport_size = sizeof(struct fc_port *),
.show_rport_supported_classes = 1,
.get_starget_node_name = qla2x00_get_starget_node_name,
.show_starget_node_name = 1,
.get_starget_port_name = qla2x00_get_starget_port_name,
.show_starget_port_name = 1,
.get_starget_port_id = qla2x00_get_starget_port_id,
.show_starget_port_id = 1,
.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.issue_fc_host_lip = qla2x00_issue_lip,
.dev_loss_tmo_callbk = qla2x00_dev_loss_tmo_callbk,
.terminate_rport_io = qla2x00_terminate_rport_io,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
.reset_fc_host_stats = qla2x00_reset_host_stats,
.bsg_request = qla24xx_bsg_request,
.bsg_timeout = qla24xx_bsg_timeout,
};
static uint
qla2x00_get_host_supported_speeds(scsi_qla_host_t *vha, uint speeds)
{
uint supported_speeds = FC_PORTSPEED_UNKNOWN;
if (speeds & FDMI_PORT_SPEED_64GB)
supported_speeds |= FC_PORTSPEED_64GBIT;
if (speeds & FDMI_PORT_SPEED_32GB)
supported_speeds |= FC_PORTSPEED_32GBIT;
if (speeds & FDMI_PORT_SPEED_16GB)
supported_speeds |= FC_PORTSPEED_16GBIT;
if (speeds & FDMI_PORT_SPEED_8GB)
supported_speeds |= FC_PORTSPEED_8GBIT;
if (speeds & FDMI_PORT_SPEED_4GB)
supported_speeds |= FC_PORTSPEED_4GBIT;
if (speeds & FDMI_PORT_SPEED_2GB)
supported_speeds |= FC_PORTSPEED_2GBIT;
if (speeds & FDMI_PORT_SPEED_1GB)
supported_speeds |= FC_PORTSPEED_1GBIT;
return supported_speeds;
}
void
qla2x00_init_host_attr(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
u32 speeds = 0, fdmi_speed = 0;
fc_host_dev_loss_tmo(vha->host) = ha->port_down_retry_count;
fc_host_node_name(vha->host) = wwn_to_u64(vha->node_name);
fc_host_port_name(vha->host) = wwn_to_u64(vha->port_name);
fc_host_supported_classes(vha->host) = ha->base_qpair->enable_class_2 ?
(FC_COS_CLASS2|FC_COS_CLASS3) : FC_COS_CLASS3;
fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
fdmi_speed = qla25xx_fdmi_port_speed_capability(ha);
speeds = qla2x00_get_host_supported_speeds(vha, fdmi_speed);
fc_host_supported_speeds(vha->host) = speeds;
}