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gerrit-public.fairphone.software / kernel / msm-4.9 / 5a0e3ad6af8660be21ca98a971cd00f331318c05 / . / drivers / scsi / qla2xxx / qla_attr.c
blob: 29414df87c3dc4ddbb0741fae47eb6d5812cc7b1 [file] [log] [blame]
/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2008 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.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);
static int qla84xx_reset(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
int qla84xx_reset_chip(scsi_qla_host_t *, uint16_t, uint16_t *);
static int qla84xx_mgmt_cmd(scsi_qla_host_t *, struct msg_echo_lb *, struct fc_bsg_job *);
/* SYSFS attributes --------------------------------------------------------- */
static ssize_t
qla2x00_sysfs_read_fw_dump(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;
if (ha->fw_dump_reading == 0)
return 0;
return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
ha->fw_dump_len);
}
static ssize_t
qla2x00_sysfs_write_fw_dump(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;
qla_printk(KERN_INFO, ha,
"Firmware dump cleared on (%ld).\n", vha->host_no);
ha->fw_dump_reading = 0;
ha->fw_dumped = 0;
break;
case 1:
if (ha->fw_dumped && !ha->fw_dump_reading) {
ha->fw_dump_reading = 1;
qla_printk(KERN_INFO, ha,
"Raw firmware dump ready for read on (%ld).\n",
vha->host_no);
}
break;
case 2:
qla2x00_alloc_fw_dump(vha);
break;
case 3:
qla2x00_system_error(vha);
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 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;
if (!capable(CAP_SYS_ADMIN))
return 0;
if (IS_NOCACHE_VPD_TYPE(ha))
ha->isp_ops->read_optrom(vha, ha->nvram, ha->flt_region_nvram << 2,
ha->nvram_size);
return memory_read_from_buffer(buf, count, &off, ha->nvram,
ha->nvram_size);
}
static ssize_t
qla2x00_sysfs_write_nvram(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 0;
/* Checksum NVRAM. */
if (IS_FWI2_CAPABLE(ha)) {
uint32_t *iter;
uint32_t chksum;
iter = (uint32_t *)buf;
chksum = 0;
for (cnt = 0; cnt < ((count >> 2) - 1); cnt++)
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) {
qla_printk(KERN_WARNING, ha,
"HBA not online, failing NVRAM update.\n");
return -EAGAIN;
}
/* Write NVRAM. */
ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->nvram_base, count);
ha->isp_ops->read_nvram(vha, (uint8_t *)ha->nvram, ha->nvram_base,
count);
/* 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 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;
if (ha->optrom_state != QLA_SREADING)
return 0;
return memory_read_from_buffer(buf, count, &off, ha->optrom_buffer,
ha->optrom_region_size);
}
static ssize_t
qla2x00_sysfs_write_optrom(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;
if (ha->optrom_state != QLA_SWRITING)
return -EINVAL;
if (off > ha->optrom_region_size)
return -ERANGE;
if (off + count > ha->optrom_region_size)
count = ha->optrom_region_size - off;
memcpy(&ha->optrom_buffer[off], buf, count);
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 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;
if (off)
return 0;
if (unlikely(pci_channel_offline(ha->pdev)))
return 0;
if (sscanf(buf, "%d:%x:%x", &val, &start, &size) < 1)
return -EINVAL;
if (start > ha->optrom_size)
return -EINVAL;
switch (val) {
case 0:
if (ha->optrom_state != QLA_SREADING &&
ha->optrom_state != QLA_SWRITING)
break;
ha->optrom_state = QLA_SWAITING;
DEBUG2(qla_printk(KERN_INFO, ha,
"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)
break;
ha->optrom_region_start = start;
ha->optrom_region_size = start + size > ha->optrom_size ?
ha->optrom_size - start : size;
ha->optrom_state = QLA_SREADING;
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for optrom retrieval "
"(%x).\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
return count;
}
DEBUG2(qla_printk(KERN_INFO, ha,
"Reading flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size));
memset(ha->optrom_buffer, 0, 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)
break;
/*
* 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.
*/
valid = 0;
if (ha->optrom_size == OPTROM_SIZE_2300 && start == 0)
valid = 1;
else if (start == (ha->flt_region_boot * 4) ||
start == (ha->flt_region_fw * 4))
valid = 1;
else if (IS_QLA25XX(ha) || IS_QLA81XX(ha))
valid = 1;
if (!valid) {
qla_printk(KERN_WARNING, ha,
"Invalid start region 0x%x/0x%x.\n", start, size);
return -EINVAL;
}
ha->optrom_region_start = start;
ha->optrom_region_size = start + size > ha->optrom_size ?
ha->optrom_size - start : size;
ha->optrom_state = QLA_SWRITING;
ha->optrom_buffer = vmalloc(ha->optrom_region_size);
if (ha->optrom_buffer == NULL) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for optrom update "
"(%x).\n", ha->optrom_region_size);
ha->optrom_state = QLA_SWAITING;
return count;
}
DEBUG2(qla_printk(KERN_INFO, ha,
"Staging flash region write -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size));
memset(ha->optrom_buffer, 0, ha->optrom_region_size);
break;
case 3:
if (ha->optrom_state != QLA_SWRITING)
break;
if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"HBA not online, failing flash update.\n");
return -EAGAIN;
}
DEBUG2(qla_printk(KERN_INFO, ha,
"Writing flash region -- 0x%x/0x%x.\n",
ha->optrom_region_start, ha->optrom_region_size));
ha->isp_ops->write_optrom(vha, ha->optrom_buffer,
ha->optrom_region_start, ha->optrom_region_size);
break;
default:
count = -EINVAL;
}
return count;
}
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 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;
if (unlikely(pci_channel_offline(ha->pdev)))
return 0;
if (!capable(CAP_SYS_ADMIN))
return 0;
if (IS_NOCACHE_VPD_TYPE(ha))
ha->isp_ops->read_optrom(vha, ha->vpd, ha->flt_region_vpd << 2,
ha->vpd_size);
return memory_read_from_buffer(buf, count, &off, ha->vpd, ha->vpd_size);
}
static ssize_t
qla2x00_sysfs_write_vpd(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 (!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) {
qla_printk(KERN_WARNING, ha,
"HBA not online, failing VPD update.\n");
return -EAGAIN;
}
/* Write NVRAM. */
ha->isp_ops->write_nvram(vha, (uint8_t *)buf, ha->vpd_base, count);
ha->isp_ops->read_nvram(vha, (uint8_t *)ha->vpd, ha->vpd_base, count);
/* Update flash version information for 4Gb & above. */
if (!IS_FWI2_CAPABLE(ha))
goto done;
tmp_data = vmalloc(256);
if (!tmp_data) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for VPD information update.\n");
goto done;
}
ha->isp_ops->get_flash_version(vha, tmp_data);
vfree(tmp_data);
done:
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 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 iter, addr, offset;
int rval;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
return 0;
if (ha->sfp_data)
goto do_read;
ha->sfp_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
&ha->sfp_data_dma);
if (!ha->sfp_data) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for SFP read-data.\n");
return 0;
}
do_read:
memset(ha->sfp_data, 0, SFP_BLOCK_SIZE);
addr = 0xa0;
for (iter = 0, offset = 0; iter < (SFP_DEV_SIZE * 2) / SFP_BLOCK_SIZE;
iter++, offset += SFP_BLOCK_SIZE) {
if (iter == 4) {
/* Skip to next device address. */
addr = 0xa2;
offset = 0;
}
rval = qla2x00_read_sfp(vha, ha->sfp_data_dma, addr, offset,
SFP_BLOCK_SIZE);
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"Unable to read SFP data (%x/%x/%x).\n", rval,
addr, offset);
count = 0;
break;
}
memcpy(buf, ha->sfp_data, SFP_BLOCK_SIZE);
buf += SFP_BLOCK_SIZE;
}
return count;
}
static struct bin_attribute sysfs_sfp_attr = {
.attr = {
.name = "sfp",
.mode = S_IRUSR | S_IWUSR,
},
.size = SFP_DEV_SIZE * 2,
.read = qla2x00_sysfs_read_sfp,
};
static ssize_t
qla2x00_sysfs_write_reset(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 type;
if (off != 0)
return 0;
type = simple_strtol(buf, NULL, 10);
switch (type) {
case 0x2025c:
qla_printk(KERN_INFO, ha,
"Issuing ISP reset on (%ld).\n", vha->host_no);
scsi_block_requests(vha->host);
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))
break;
qla_printk(KERN_INFO, ha,
"Issuing MPI reset on (%ld).\n", vha->host_no);
/* Make sure FC side is not in reset */
qla2x00_wait_for_hba_online(vha);
/* Issue MPI reset */
scsi_block_requests(vha->host);
if (qla81xx_restart_mpi_firmware(vha) != QLA_SUCCESS)
qla_printk(KERN_WARNING, ha,
"MPI reset failed on (%ld).\n", vha->host_no);
scsi_unblock_requests(vha->host);
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_sysfs_write_edc(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 dev, adr, opt, len;
int rval;
ha->edc_data_len = 0;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
return 0;
if (!ha->edc_data) {
ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
&ha->edc_data_dma);
if (!ha->edc_data) {
DEBUG2(qla_printk(KERN_INFO, ha,
"Unable to allocate memory for EDC write.\n"));
return 0;
}
}
dev = le16_to_cpup((void *)&buf[0]);
adr = le16_to_cpup((void *)&buf[2]);
opt = le16_to_cpup((void *)&buf[4]);
len = le16_to_cpup((void *)&buf[6]);
if (!(opt & BIT_0))
if (len == 0 || len > DMA_POOL_SIZE || len > count - 8)
return -EINVAL;
memcpy(ha->edc_data, &buf[8], len);
rval = qla2x00_write_edc(vha, dev, adr, ha->edc_data_dma,
ha->edc_data, len, opt);
if (rval != QLA_SUCCESS) {
DEBUG2(qla_printk(KERN_INFO, ha,
"Unable to write EDC (%x) %02x:%02x:%04x:%02x:%02x.\n",
rval, dev, adr, opt, len, *buf));
return 0;
}
return count;
}
static struct bin_attribute sysfs_edc_attr = {
.attr = {
.name = "edc",
.mode = S_IWUSR,
},
.size = 0,
.write = qla2x00_sysfs_write_edc,
};
static ssize_t
qla2x00_sysfs_write_edc_status(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 dev, adr, opt, len;
int rval;
ha->edc_data_len = 0;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8)
return 0;
if (!ha->edc_data) {
ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
&ha->edc_data_dma);
if (!ha->edc_data) {
DEBUG2(qla_printk(KERN_INFO, ha,
"Unable to allocate memory for EDC status.\n"));
return 0;
}
}
dev = le16_to_cpup((void *)&buf[0]);
adr = le16_to_cpup((void *)&buf[2]);
opt = le16_to_cpup((void *)&buf[4]);
len = le16_to_cpup((void *)&buf[6]);
if (!(opt & BIT_0))
if (len == 0 || len > DMA_POOL_SIZE)
return -EINVAL;
memset(ha->edc_data, 0, len);
rval = qla2x00_read_edc(vha, dev, adr, ha->edc_data_dma,
ha->edc_data, len, opt);
if (rval != QLA_SUCCESS) {
DEBUG2(qla_printk(KERN_INFO, ha,
"Unable to write EDC status (%x) %02x:%02x:%04x:%02x.\n",
rval, dev, adr, opt, len));
return 0;
}
ha->edc_data_len = len;
return count;
}
static ssize_t
qla2x00_sysfs_read_edc_status(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;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count == 0)
return 0;
if (!ha->edc_data || ha->edc_data_len == 0 || ha->edc_data_len > count)
return -EINVAL;
memcpy(buf, ha->edc_data, ha->edc_data_len);
return ha->edc_data_len;
}
static struct bin_attribute sysfs_edc_status_attr = {
.attr = {
.name = "edc_status",
.mode = S_IRUSR | S_IWUSR,
},
.size = 0,
.write = qla2x00_sysfs_write_edc_status,
.read = qla2x00_sysfs_read_edc_status,
};
static ssize_t
qla2x00_sysfs_read_xgmac_stats(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 (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) {
qla_printk(KERN_WARNING, ha,
"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);
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"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 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 > DCBX_TLV_DATA_SIZE)
return 0;
if (ha->dcbx_tlv)
goto do_read;
ha->dcbx_tlv = dma_alloc_coherent(&ha->pdev->dev, DCBX_TLV_DATA_SIZE,
&ha->dcbx_tlv_dma, GFP_KERNEL);
if (!ha->dcbx_tlv) {
qla_printk(KERN_WARNING, ha,
"Unable to allocate memory for DCBX TLV read-data.\n");
return 0;
}
do_read:
actual_size = 0;
memset(ha->dcbx_tlv, 0, DCBX_TLV_DATA_SIZE);
rval = qla2x00_get_dcbx_params(vha, ha->dcbx_tlv_dma,
DCBX_TLV_DATA_SIZE);
if (rval != QLA_SUCCESS) {
qla_printk(KERN_WARNING, ha,
"Unable to read DCBX TLV data (%x).\n", rval);
count = 0;
}
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 is4GBp_only;
} 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, },
{ "edc", &sysfs_edc_attr, 2 },
{ "edc_status", &sysfs_edc_status_attr, 2 },
{ "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->is4GBp_only && !IS_FWI2_CAPABLE(vha->hw))
continue;
if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw))
continue;
if (iter->is4GBp_only == 3 && !IS_QLA81XX(vha->hw))
continue;
ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
iter->attr);
if (ret)
qla_printk(KERN_INFO, vha->hw,
"Unable to create sysfs %s binary attribute "
"(%d).\n", iter->name, ret);
}
}
void
qla2x00_free_sysfs_attr(scsi_qla_host_t *vha)
{
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->is4GBp_only && !IS_FWI2_CAPABLE(ha))
continue;
if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha))
continue;
if (iter->is4GBp_only == 3 && !IS_QLA81XX(ha))
continue;
sysfs_remove_bin_file(&host->shost_gendev.kobj,
iter->attr);
}
if (ha->beacon_blink_led == 1)
ha->isp_ops->beacon_off(vha);
}
/* Scsi_Host attributes. */
static ssize_t
qla2x00_drvr_version_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return snprintf(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 snprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops->fw_version_str(vha, 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_FWI2_CAPABLE(ha)) {
qla2xxx_get_vpd_field(vha, "SN", buf, PAGE_SIZE);
return snprintf(buf, PAGE_SIZE, "%s\n", buf);
}
sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
return snprintf(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 snprintf(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;
return snprintf(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 snprintf(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 snprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->model_desc ? 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 snprintf(buf, PAGE_SIZE, "%s\n",
vha->hw->isp_ops->pci_info_str(vha, 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)
len = snprintf(buf, PAGE_SIZE, "Link Down\n");
else if (atomic_read(&vha->loop_state) != LOOP_READY ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags))
len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
else {
len = snprintf(buf, PAGE_SIZE, "Link Up - ");
switch (ha->current_topology) {
case ISP_CFG_NL:
len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
case ISP_CFG_FL:
len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
break;
case ISP_CFG_N:
len += snprintf(buf + len, PAGE_SIZE-len,
"N_Port to N_Port\n");
break;
case ISP_CFG_F:
len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
break;
default:
len += snprintf(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 += snprintf(buf + len, PAGE_SIZE-len, "Mode 6\n");
break;
case QLA_ZIO_DISABLED:
len += snprintf(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 snprintf(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
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 += snprintf(buf + len, PAGE_SIZE-len, "Enabled\n");
else
len += snprintf(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 (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags)) {
qla_printk(KERN_WARNING, ha,
"Abort ISP active -- ignoring beacon request.\n");
return -EBUSY;
}
if (sscanf(buf, "%d", &val) != 1)
return -EINVAL;
if (val)
rval = ha->isp_ops->beacon_on(vha);
else
rval = ha->isp_ops->beacon_off(vha);
if (rval != QLA_SUCCESS)
count = 0;
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 snprintf(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 snprintf(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 snprintf(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 snprintf(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_total_isp_aborts_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 snprintf(buf, PAGE_SIZE, "%d\n",
ha->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, 0};
scsi_qla_host_t *vha = shost_priv(class_to_shost(dev));
struct qla_hw_data *ha = vha->hw;
if (IS_QLA84XX(ha) && ha->cs84xx) {
if (ha->cs84xx->op_fw_version == 0) {
rval = qla84xx_verify_chip(vha, status);
}
if ((rval == QLA_SUCCESS) && (status[0] == 0))
return snprintf(buf, PAGE_SIZE, "%u\n",
(uint32_t)ha->cs84xx->op_fw_version);
}
return snprintf(buf, PAGE_SIZE, "\n");
}
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))
return snprintf(buf, PAGE_SIZE, "\n");
return snprintf(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))
return snprintf(buf, PAGE_SIZE, "\n");
return snprintf(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 snprintf(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_QLA81XX(vha->hw))
return snprintf(buf, PAGE_SIZE, "\n");
return snprintf(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_QLA81XX(vha->hw))
return snprintf(buf, PAGE_SIZE, "\n");
return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n",
vha->fcoe_vn_port_mac[5], vha->fcoe_vn_port_mac[4],
vha->fcoe_vn_port_mac[3], vha->fcoe_vn_port_mac[2],
vha->fcoe_vn_port_mac[1], vha->fcoe_vn_port_mac[0]);
}
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 snprintf(buf, PAGE_SIZE, "%d\n", vha->hw->switch_cap);
}
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[5];
if (!vha->hw->flags.eeh_busy)
rval = qla2x00_get_firmware_state(vha, state);
if (rval != QLA_SUCCESS)
memset(state, -1, sizeof(state));
return snprintf(buf, PAGE_SIZE, "0x%x 0x%x 0x%x 0x%x 0x%x\n", state[0],
state[1], state[2], state[3], state[4]);
}
static DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_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(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(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(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);
struct device_attribute *qla2x00_host_attrs[] = {
&dev_attr_driver_version,
&dev_attr_fw_version,
&dev_attr_serial_num,
&dev_attr_isp_name,
&dev_attr_isp_id,
&dev_attr_model_name,
&dev_attr_model_desc,
&dev_attr_pci_info,
&dev_attr_link_state,
&dev_attr_zio,
&dev_attr_zio_timer,
&dev_attr_beacon,
&dev_attr_optrom_bios_version,
&dev_attr_optrom_efi_version,
&dev_attr_optrom_fcode_version,
&dev_attr_optrom_fw_version,
&dev_attr_84xx_fw_version,
&dev_attr_total_isp_aborts,
&dev_attr_mpi_version,
&dev_attr_phy_version,
&dev_attr_flash_block_size,
&dev_attr_vlan_id,
&dev_attr_vn_port_mac_address,
&dev_attr_fabric_param,
&dev_attr_fw_state,
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)
{
struct qla_hw_data *ha = ((struct scsi_qla_host *)
(shost_priv(shost)))->hw;
u32 speed = FC_PORTSPEED_UNKNOWN;
switch (ha->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;
}
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 = FC_PORTTYPE_UNKNOWN;
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;
}
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 void
qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
if (timeout)
rport->dev_loss_tmo = timeout;
else
rport->dev_loss_tmo = 1;
}
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;
if (!fcport)
return;
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;
}
/*
* Transport has effectively 'deleted' the rport, clear
* all local references.
*/
spin_lock_irq(host->host_lock);
fcport->rport = NULL;
*((fc_port_t **)rport->dd_data) = NULL;
spin_unlock_irq(host->host_lock);
}
static void
qla2x00_terminate_rport_io(struct fc_rport *rport)
{
fc_port_t *fcport = *(fc_port_t **)rport->dd_data;
if (!fcport)
return;
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;
}
/*
* At this point all fcport's software-states are cleared. Perform any
* final cleanup of firmware resources (PCBs and XCBs).
*/
if (fcport->loop_id != FC_NO_LOOP_ID &&
!test_bit(UNLOADING, &fcport->vha->dpc_flags))
fcport->vha->hw->isp_ops->fabric_logout(fcport->vha,
fcport->loop_id, fcport->d_id.b.domain,
fcport->d_id.b.area, fcport->d_id.b.al_pa);
}
static int
qla2x00_issue_lip(struct Scsi_Host *shost)
{
scsi_qla_host_t *vha = shost_priv(shost);
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 *pfc_host_stat;
pfc_host_stat = &ha->fc_host_stat;
memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
if (test_bit(UNLOADING, &vha->dpc_flags))
goto done;
if (unlikely(pci_channel_offline(ha->pdev)))
goto done;
stats = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &stats_dma);
if (stats == NULL) {
DEBUG2_3_11(printk("%s(%ld): Failed to allocate memory.\n",
__func__, base_vha->host_no));
goto done;
}
memset(stats, 0, DMA_POOL_SIZE);
rval = QLA_FUNCTION_FAILED;
if (IS_FWI2_CAPABLE(ha)) {
rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma);
} else if (atomic_read(&base_vha->loop_state) == LOOP_READY &&
!test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) &&
!test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) &&
!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;
pfc_host_stat->link_failure_count = stats->link_fail_cnt;
pfc_host_stat->loss_of_sync_count = stats->loss_sync_cnt;
pfc_host_stat->loss_of_signal_count = stats->loss_sig_cnt;
pfc_host_stat->prim_seq_protocol_err_count = stats->prim_seq_err_cnt;
pfc_host_stat->invalid_tx_word_count = stats->inval_xmit_word_cnt;
pfc_host_stat->invalid_crc_count = stats->inval_crc_cnt;
if (IS_FWI2_CAPABLE(ha)) {
pfc_host_stat->lip_count = stats->lip_cnt;
pfc_host_stat->tx_frames = stats->tx_frames;
pfc_host_stat->rx_frames = stats->rx_frames;
pfc_host_stat->dumped_frames = stats->dumped_frames;
pfc_host_stat->nos_count = stats->nos_rcvd;
}
pfc_host_stat->fcp_input_megabytes = ha->qla_stats.input_bytes >> 20;
pfc_host_stat->fcp_output_megabytes = ha->qla_stats.output_bytes >> 20;
done_free:
dma_pool_free(ha->s_dma_pool, stats, stats_dma);
done:
return pfc_host_stat;
}
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));
}
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);
u64 node_name;
if (vha->device_flags & SWITCH_FOUND)
node_name = wwn_to_u64(vha->fabric_node_name);
else
node_name = wwn_to_u64(vha->node_name);
fc_host_fabric_name(shost) = node_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;
else if (atomic_read(&base_vha->loop_state) == LOOP_TIMEOUT)
fc_host_port_state(shost) = FC_PORTSTATE_UNKNOWN;
else
fc_host_port_state(shost) = FC_PORTSTATE_ONLINE;
}
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;
uint16_t options = 0;
int cnt;
struct req_que *req = ha->req_q_map[0];
ret = qla24xx_vport_create_req_sanity_check(fc_vport);
if (ret) {
DEBUG15(printk("qla24xx_vport_create_req_sanity_check failed, "
"status %x\n", ret));
return (ret);
}
vha = qla24xx_create_vhost(fc_vport);
if (vha == NULL) {
DEBUG15(printk ("qla24xx_create_vhost failed, vha = %p\n",
vha));
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 */
qla_printk(KERN_INFO, vha->hw, "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 */
DEBUG15(printk ("scsi(%ld): pport loop_state is not UP.\n",
base_vha->host_no));
atomic_set(&vha->loop_state, LOOP_DEAD);
if (!disable)
fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN);
}
if (scsi_add_host_with_dma(vha->host, &fc_vport->dev,
&ha->pdev->dev)) {
DEBUG15(printk("scsi(%ld): scsi_add_host failure for VP[%d].\n",
vha->host_no, vha->vp_idx));
goto vport_create_failed_2;
}
/* initialize attributes */
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);
qla24xx_vport_disable(fc_vport, disable);
if (ha->flags.cpu_affinity_enabled) {
req = ha->req_q_map[1];
goto vport_queue;
} else if (ql2xmaxqueues == 1 || !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) {
ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0,
qos);
if (!ret)
qla_printk(KERN_WARNING, ha,
"Can't create request queue for vp_idx:%d\n",
vha->vp_idx);
else {
DEBUG2(qla_printk(KERN_INFO, ha,
"Request Que:%d (QoS: %d) created for vp_idx:%d\n",
ret, qos, vha->vp_idx));
req = ha->req_q_map[ret];
}
}
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;
fc_port_t *fcport, *tfcport;
struct qla_hw_data *ha = vha->hw;
uint16_t id = vha->vp_idx;
while (test_bit(LOOP_RESYNC_ACTIVE, &vha->dpc_flags) ||
test_bit(FCPORT_UPDATE_NEEDED, &vha->dpc_flags))
msleep(1000);
qla24xx_disable_vp(vha);
fc_remove_host(vha->host);
scsi_remove_host(vha->host);
list_for_each_entry_safe(fcport, tfcport, &vha->vp_fcports, list) {
list_del(&fcport->list);
kfree(fcport);
fcport = NULL;
}
qla24xx_deallocate_vp_id(vha);
mutex_lock(&ha->vport_lock);
ha->cur_vport_count--;
clear_bit(vha->vp_idx, ha->vp_idx_map);
mutex_unlock(&ha->vport_lock);
if (vha->timer_active) {
qla2x00_vp_stop_timer(vha);
DEBUG15(printk ("scsi(%ld): timer for the vport[%d] = %p "
"has stopped\n",
vha->host_no, vha->vp_idx, vha));
}
if (vha->req->id && !ha->flags.cpu_affinity_enabled) {
if (qla25xx_delete_req_que(vha, vha->req) != QLA_SUCCESS)
qla_printk(KERN_WARNING, ha,
"Queue delete failed.\n");
}
scsi_host_put(vha->host);
qla_printk(KERN_INFO, ha, "vport %d deleted\n", id);
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;
}
/* BSG support for ELS/CT pass through */
inline srb_t *
qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size)
{
srb_t *sp;
struct qla_hw_data *ha = vha->hw;
struct srb_bsg_ctx *ctx;
sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL);
if (!sp)
goto done;
ctx = kzalloc(size, GFP_KERNEL);
if (!ctx) {
mempool_free(sp, ha->srb_mempool);
goto done;
}
memset(sp, 0, sizeof(*sp));
sp->fcport = fcport;
sp->ctx = ctx;
done:
return sp;
}
static int
qla2x00_process_els(struct fc_bsg_job *bsg_job)
{
struct fc_rport *rport;
fc_port_t *fcport;
struct Scsi_Host *host;
scsi_qla_host_t *vha;
struct qla_hw_data *ha;
srb_t *sp;
const char *type;
int req_sg_cnt, rsp_sg_cnt;
int rval = (DRIVER_ERROR << 16);
uint16_t nextlid = 0;
struct srb_bsg *els;
/* Multiple SG's are not supported for ELS requests */
if (bsg_job->request_payload.sg_cnt > 1 ||
bsg_job->reply_payload.sg_cnt > 1) {
DEBUG2(printk(KERN_INFO
"multiple SG's are not supported for ELS requests"
" [request_sg_cnt: %x reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt,
bsg_job->reply_payload.sg_cnt));
rval = -EPERM;
goto done;
}
/* ELS request for rport */
if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) {
rport = bsg_job->rport;
fcport = *(fc_port_t **) rport->dd_data;
host = rport_to_shost(rport);
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_RPT_ELS";
/* make sure the rport is logged in,
* if not perform fabric login
*/
if (qla2x00_fabric_login(vha, fcport, &nextlid)) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"failed to login port %06X for ELS passthru\n",
fcport->d_id.b24));
rval = -EIO;
goto done;
}
} else {
host = bsg_job->shost;
vha = shost_priv(host);
ha = vha->hw;
type = "FC_BSG_HST_ELS_NOLOGIN";
/* Allocate a dummy fcport structure, since functions
* preparing the IOCB and mailbox command retrieves port
* specific information from fcport structure. For Host based
* ELS commands there will be no fcport structure allocated
*/
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (!fcport) {
rval = -ENOMEM;
goto done;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa =
bsg_job->request->rqst_data.h_els.port_id[0];
fcport->d_id.b.area =
bsg_job->request->rqst_data.h_els.port_id[1];
fcport->d_id.b.domain =
bsg_job->request->rqst_data.h_els.port_id[2];
fcport->loop_id =
(fcport->d_id.b.al_pa == 0xFD) ?
NPH_FABRIC_CONTROLLER : NPH_F_PORT;
}
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"host not online\n"));
rval = -EIO;
goto done;
}
req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!req_sg_cnt) {
rval = -ENOMEM;
goto done_free_fcport;
}
rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!rsp_sg_cnt) {
rval = -ENOMEM;
goto done_free_fcport;
}
if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
{
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts \
[request_sg_cnt: %x dma_request_sg_cnt: %x\
reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, req_sg_cnt,
bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
/* Alloc SRB structure */
sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
if (!sp) {
rval = -ENOMEM;
goto done_unmap_sg;
}
els = sp->ctx;
els->ctx.type =
(bsg_job->request->msgcode == FC_BSG_RPT_ELS ?
SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST);
els->bsg_job = bsg_job;
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
"portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
bsg_job->request->rqst_data.h_els.command_code,
fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa));
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_unmap_sg;
}
return rval;
done_unmap_sg:
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
goto done_free_fcport;
done_free_fcport:
if (bsg_job->request->msgcode == FC_BSG_HST_ELS_NOLOGIN)
kfree(fcport);
done:
return rval;
}
static int
qla2x00_process_ct(struct fc_bsg_job *bsg_job)
{
srb_t *sp;
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval = (DRIVER_ERROR << 16);
int req_sg_cnt, rsp_sg_cnt;
uint16_t loop_id;
struct fc_port *fcport;
char *type = "FC_BSG_HST_CT";
struct srb_bsg *ct;
/* pass through is supported only for ISP 4Gb or higher */
if (!IS_FWI2_CAPABLE(ha)) {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld):Firmware is not capable to support FC "
"CT pass thru\n", vha->host_no));
rval = -EPERM;
goto done;
}
req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!req_sg_cnt) {
rval = -ENOMEM;
goto done;
}
rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!rsp_sg_cnt) {
rval = -ENOMEM;
goto done;
}
if ((req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
{
DEBUG2(qla_printk(KERN_WARNING, ha,
"dma mapping resulted in different sg counts \
[request_sg_cnt: %x dma_request_sg_cnt: %x\
reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, req_sg_cnt,
bsg_job->reply_payload.sg_cnt, rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"host not online\n"));
rval = -EIO;
goto done_unmap_sg;
}
loop_id =
(bsg_job->request->rqst_data.h_ct.preamble_word1 & 0xFF000000)
>> 24;
switch (loop_id) {
case 0xFC:
loop_id = cpu_to_le16(NPH_SNS);
break;
case 0xFA:
loop_id = vha->mgmt_svr_loop_id;
break;
default:
DEBUG2(qla_printk(KERN_INFO, ha,
"Unknown loop id: %x\n", loop_id));
rval = -EINVAL;
goto done_unmap_sg;
}
/* Allocate a dummy fcport structure, since functions preparing the
* IOCB and mailbox command retrieves port specific information
* from fcport structure. For Host based ELS commands there will be
* no fcport structure allocated
*/
fcport = qla2x00_alloc_fcport(vha, GFP_KERNEL);
if (!fcport)
{
rval = -ENOMEM;
goto done_unmap_sg;
}
/* Initialize all required fields of fcport */
fcport->vha = vha;
fcport->vp_idx = vha->vp_idx;
fcport->d_id.b.al_pa = bsg_job->request->rqst_data.h_ct.port_id[0];
fcport->d_id.b.area = bsg_job->request->rqst_data.h_ct.port_id[1];
fcport->d_id.b.domain = bsg_job->request->rqst_data.h_ct.port_id[2];
fcport->loop_id = loop_id;
/* Alloc SRB structure */
sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_bsg));
if (!sp) {
rval = -ENOMEM;
goto done_free_fcport;
}
ct = sp->ctx;
ct->ctx.type = SRB_CT_CMD;
ct->bsg_job = bsg_job;
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld:%x): bsg rqst type: %s els type: %x - loop-id=%x "
"portid=%02x%02x%02x.\n", vha->host_no, sp->handle, type,
(bsg_job->request->rqst_data.h_ct.preamble_word2 >> 16),
fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area,
fcport->d_id.b.al_pa));
rval = qla2x00_start_sp(sp);
if (rval != QLA_SUCCESS) {
kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
rval = -EIO;
goto done_free_fcport;
}
return rval;
done_free_fcport:
kfree(fcport);
done_unmap_sg:
dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done:
return rval;
}
static int
qla2x00_process_vendor_specific(struct fc_bsg_job *bsg_job)
{
struct Scsi_Host *host = bsg_job->shost;
scsi_qla_host_t *vha = shost_priv(host);
struct qla_hw_data *ha = vha->hw;
int rval;
uint8_t command_sent;
uint32_t vendor_cmd;
char *type;
struct msg_echo_lb elreq;
uint16_t response[MAILBOX_REGISTER_COUNT];
uint8_t* fw_sts_ptr;
uint8_t *req_data;
dma_addr_t req_data_dma;
uint32_t req_data_len;
uint8_t *rsp_data;
dma_addr_t rsp_data_dma;
uint32_t rsp_data_len;
if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) ||
test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) ||
test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) {
rval = -EBUSY;
goto done;
}
if (!vha->flags.online) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"host not online\n"));
rval = -EIO;
goto done;
}
elreq.req_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!elreq.req_sg_cnt) {
rval = -ENOMEM;
goto done;
}
elreq.rsp_sg_cnt =
dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!elreq.rsp_sg_cnt) {
rval = -ENOMEM;
goto done;
}
if ((elreq.req_sg_cnt != bsg_job->request_payload.sg_cnt) ||
(elreq.rsp_sg_cnt != bsg_job->reply_payload.sg_cnt))
{
DEBUG2(printk(KERN_INFO
"dma mapping resulted in different sg counts \
[request_sg_cnt: %x dma_request_sg_cnt: %x\
reply_sg_cnt: %x dma_reply_sg_cnt: %x]\n",
bsg_job->request_payload.sg_cnt, elreq.req_sg_cnt,
bsg_job->reply_payload.sg_cnt, elreq.rsp_sg_cnt));
rval = -EAGAIN;
goto done_unmap_sg;
}
req_data_len = rsp_data_len = bsg_job->request_payload.payload_len;
req_data = dma_alloc_coherent(&ha->pdev->dev, req_data_len,
&req_data_dma, GFP_KERNEL);
rsp_data = dma_alloc_coherent(&ha->pdev->dev, rsp_data_len,
&rsp_data_dma, GFP_KERNEL);
/* Copy the request buffer in req_data now */
sg_copy_to_buffer(bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, req_data,
req_data_len);
elreq.send_dma = req_data_dma;
elreq.rcv_dma = rsp_data_dma;
elreq.transfer_size = req_data_len;
/* Vendor cmd : loopback or ECHO diagnostic
* Options:
* Loopback : Either internal or external loopback
* ECHO: ECHO ELS or Vendor specific FC4 link data
*/
vendor_cmd = bsg_job->request->rqst_data.h_vendor.vendor_cmd[0];
elreq.options =
*(((uint32_t *)bsg_job->request->rqst_data.h_vendor.vendor_cmd)
+ 1);
switch (bsg_job->request->rqst_data.h_vendor.vendor_cmd[0]) {
case QL_VND_LOOPBACK:
if (ha->current_topology != ISP_CFG_F) {
type = "FC_BSG_HST_VENDOR_LOOPBACK";
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
vha->host_no, type, vendor_cmd, elreq.options));
command_sent = INT_DEF_LB_LOOPBACK_CMD;
rval = qla2x00_loopback_test(vha, &elreq, response);
if (IS_QLA81XX(ha)) {
if (response[0] == MBS_COMMAND_ERROR && response[1] == MBS_LB_RESET) {
DEBUG2(printk(KERN_ERR "%s(%ld): ABORTing "
"ISP\n", __func__, vha->host_no));
set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
}
}
} else {
type = "FC_BSG_HST_VENDOR_ECHO_DIAG";
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) bsg rqst type: %s vendor rqst type: %x options: %x.\n",
vha->host_no, type, vendor_cmd, elreq.options));
command_sent = INT_DEF_LB_ECHO_CMD;
rval = qla2x00_echo_test(vha, &elreq, response);
}
break;
case QLA84_RESET:
if (!IS_QLA84XX(vha->hw)) {
rval = -EINVAL;
DEBUG16(printk(
"%s(%ld): 8xxx exiting.\n",
__func__, vha->host_no));
return rval;
}
rval = qla84xx_reset(vha, &elreq, bsg_job);
break;
case QLA84_MGMT_CMD:
if (!IS_QLA84XX(vha->hw)) {
rval = -EINVAL;
DEBUG16(printk(
"%s(%ld): 8xxx exiting.\n",
__func__, vha->host_no));
return rval;
}
rval = qla84xx_mgmt_cmd(vha, &elreq, bsg_job);
break;
default:
rval = -ENOSYS;
}
if (rval != QLA_SUCCESS) {
DEBUG2(qla_printk(KERN_WARNING, ha,
"scsi(%ld) Vendor request %s failed\n", vha->host_no, type));
rval = 0;
bsg_job->reply->result = (DID_ERROR << 16);
bsg_job->reply->reply_payload_rcv_len = 0;
fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
memcpy( fw_sts_ptr, response, sizeof(response));
fw_sts_ptr += sizeof(response);
*fw_sts_ptr = command_sent;
} else {
DEBUG2(qla_printk(KERN_WARNING, ha,
"scsi(%ld) Vendor request %s completed\n", vha->host_no, type));
rval = bsg_job->reply->result = 0;
bsg_job->reply_len = sizeof(struct fc_bsg_reply) + sizeof(response) + sizeof(uint8_t);
bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len;
fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply);
memcpy(fw_sts_ptr, response, sizeof(response));
fw_sts_ptr += sizeof(response);
*fw_sts_ptr = command_sent;
sg_copy_from_buffer(bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, rsp_data,
rsp_data_len);
}
bsg_job->job_done(bsg_job);
done_unmap_sg:
if(req_data)
dma_free_coherent(&ha->pdev->dev, req_data_len,
req_data, req_data_dma);
dma_unmap_sg(&ha->pdev->dev,
bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
dma_unmap_sg(&ha->pdev->dev,
bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
done:
return rval;
}
static int
qla24xx_bsg_request(struct fc_bsg_job *bsg_job)
{
int ret = -EINVAL;
switch (bsg_job->request->msgcode) {
case FC_BSG_RPT_ELS:
case FC_BSG_HST_ELS_NOLOGIN:
ret = qla2x00_process_els(bsg_job);
break;
case FC_BSG_HST_CT:
ret = qla2x00_process_ct(bsg_job);
break;
case FC_BSG_HST_VENDOR:
ret = qla2x00_process_vendor_specific(bsg_job);
break;
case FC_BSG_HST_ADD_RPORT:
case FC_BSG_HST_DEL_RPORT:
case FC_BSG_RPT_CT:
default:
DEBUG2(printk("qla2xxx: unsupported BSG request\n"));
break;
}
return ret;
}
static int
qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job)
{
scsi_qla_host_t *vha = shost_priv(bsg_job->shost);
struct qla_hw_data *ha = vha->hw;
srb_t *sp;
int cnt, que;
unsigned long flags;
struct req_que *req;
struct srb_bsg *sp_bsg;
/* find the bsg job from the active list of commands */
spin_lock_irqsave(&ha->hardware_lock, flags);
for (que = 0; que < ha->max_req_queues; que++) {
req = ha->req_q_map[que];
if (!req)
continue;
for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++ ) {
sp = req->outstanding_cmds[cnt];
if (sp) {
sp_bsg = (struct srb_bsg*)sp->ctx;
if (((sp_bsg->ctx.type == SRB_CT_CMD) ||
(sp_bsg->ctx.type == SRB_ELS_CMD_RPT)
|| ( sp_bsg->ctx.type == SRB_ELS_CMD_HST)) &&
(sp_bsg->bsg_job == bsg_job)) {
if (ha->isp_ops->abort_command(sp)) {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld): mbx abort_command failed\n", vha->host_no));
bsg_job->req->errors = bsg_job->reply->result = -EIO;
} else {
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld): mbx abort_command success\n", vha->host_no));
bsg_job->req->errors = bsg_job->reply->result = 0;
}
goto done;
}
}
}
}
spin_unlock_irqrestore(&ha->hardware_lock, flags);
DEBUG2(qla_printk(KERN_INFO, ha,
"scsi(%ld) SRB not found to abort\n", vha->host_no));
bsg_job->req->errors = bsg_job->reply->result = -ENXIO;
return 0;
done:
if (bsg_job->request->msgcode == FC_BSG_HST_CT)
kfree(sp->fcport);
kfree(sp->ctx);
mempool_free(sp, ha->srb_mempool);
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,
.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,
.bsg_request = qla24xx_bsg_request,
.bsg_timeout = qla24xx_bsg_timeout,
};
void
qla2x00_init_host_attr(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
u32 speed = FC_PORTSPEED_UNKNOWN;
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_COS_CLASS3;
fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports;
fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count;
if (IS_QLA81XX(ha))
speed = FC_PORTSPEED_10GBIT;
else if (IS_QLA25XX(ha))
speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT |
FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
else if (IS_QLA24XX_TYPE(ha))
speed = FC_PORTSPEED_4GBIT | FC_PORTSPEED_2GBIT |
FC_PORTSPEED_1GBIT;
else if (IS_QLA23XX(ha))
speed = FC_PORTSPEED_2GBIT | FC_PORTSPEED_1GBIT;
else
speed = FC_PORTSPEED_1GBIT;
fc_host_supported_speeds(vha->host) = speed;
}
static int
qla84xx_reset(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
{
int ret = 0;
int cmd;
uint16_t cmd_status;
DEBUG16(printk("%s(%ld): entered.\n", __func__, ha->host_no));
cmd = (*((bsg_job->request->rqst_data.h_vendor.vendor_cmd) + 2))
== A84_RESET_FLAG_ENABLE_DIAG_FW ?
A84_ISSUE_RESET_DIAG_FW : A84_ISSUE_RESET_OP_FW;
ret = qla84xx_reset_chip(ha, cmd == A84_ISSUE_RESET_DIAG_FW,
&cmd_status);
return ret;
}
static int
qla84xx_mgmt_cmd(scsi_qla_host_t *ha, struct msg_echo_lb *mreq, struct fc_bsg_job *bsg_job)
{
struct access_chip_84xx *mn;
dma_addr_t mn_dma, mgmt_dma;
void *mgmt_b = NULL;
int ret = 0;
int rsp_hdr_len, len = 0;
struct qla84_msg_mgmt *ql84_mgmt;
ql84_mgmt = (struct qla84_msg_mgmt *) vmalloc(sizeof(struct qla84_msg_mgmt));
ql84_mgmt->cmd =
*((uint16_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 2));
ql84_mgmt->mgmtp.u.mem.start_addr =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 3));
ql84_mgmt->len =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 4));
ql84_mgmt->mgmtp.u.config.id =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 5));
ql84_mgmt->mgmtp.u.config.param0 =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 6));
ql84_mgmt->mgmtp.u.config.param1 =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 7));
ql84_mgmt->mgmtp.u.info.type =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 8));
ql84_mgmt->mgmtp.u.info.context =
*((uint32_t *)(bsg_job->request->rqst_data.h_vendor.vendor_cmd + 9));
rsp_hdr_len = bsg_job->request_payload.payload_len;
mn = dma_pool_alloc(ha->hw->s_dma_pool, GFP_KERNEL, &mn_dma);
if (mn == NULL) {
DEBUG2(printk(KERN_ERR "%s: dma alloc for fw buffer "
"failed%lu\n", __func__, ha->host_no));
return -ENOMEM;
}
memset(mn, 0, sizeof (struct access_chip_84xx));
mn->entry_type = ACCESS_CHIP_IOCB_TYPE;
mn->entry_count = 1;
switch (ql84_mgmt->cmd) {
case QLA84_MGMT_READ_MEM:
mn->options = cpu_to_le16(ACO_DUMP_MEMORY);
mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
break;
case QLA84_MGMT_WRITE_MEM:
mn->options = cpu_to_le16(ACO_LOAD_MEMORY);
mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.mem.start_addr);
break;
case QLA84_MGMT_CHNG_CONFIG:
mn->options = cpu_to_le16(ACO_CHANGE_CONFIG_PARAM);
mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.id);
mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param0);
mn->parameter3 = cpu_to_le32(ql84_mgmt->mgmtp.u.config.param1);
break;
case QLA84_MGMT_GET_INFO:
mn->options = cpu_to_le16(ACO_REQUEST_INFO);
mn->parameter1 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.type);
mn->parameter2 = cpu_to_le32(ql84_mgmt->mgmtp.u.info.context);
break;
default:
ret = -EIO;
goto exit_mgmt0;
}
if ((len == ql84_mgmt->len) &&
ql84_mgmt->cmd != QLA84_MGMT_CHNG_CONFIG) {
mgmt_b = dma_alloc_coherent(&ha->hw->pdev->dev, len,
&mgmt_dma, GFP_KERNEL);
if (mgmt_b == NULL) {
DEBUG2(printk(KERN_ERR "%s: dma alloc mgmt_b "
"failed%lu\n", __func__, ha->host_no));
ret = -ENOMEM;
goto exit_mgmt0;
}
mn->total_byte_cnt = cpu_to_le32(ql84_mgmt->len);
mn->dseg_count = cpu_to_le16(1);
mn->dseg_address[0] = cpu_to_le32(LSD(mgmt_dma));
mn->dseg_address[1] = cpu_to_le32(MSD(mgmt_dma));
mn->dseg_length = cpu_to_le32(len);
if (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM) {
memcpy(mgmt_b, ql84_mgmt->payload, len);
}
}
ret = qla2x00_issue_iocb(ha, mn, mn_dma, 0);
if ((ret != QLA_SUCCESS) || (ql84_mgmt->cmd == QLA84_MGMT_WRITE_MEM)
|| (ql84_mgmt->cmd == QLA84_MGMT_CHNG_CONFIG)) {
if (ret != QLA_SUCCESS)
DEBUG2(printk(KERN_ERR "%s(%lu): failed\n",
__func__, ha->host_no));
} else if ((ql84_mgmt->cmd == QLA84_MGMT_READ_MEM) ||
(ql84_mgmt->cmd == QLA84_MGMT_GET_INFO)) {
}
if (mgmt_b)
dma_free_coherent(&ha->hw->pdev->dev, len, mgmt_b, mgmt_dma);
exit_mgmt0:
dma_pool_free(ha->hw->s_dma_pool, mn, mn_dma);
return ret;
}