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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/drivers/scsi/qla2xxx/qla_attr.c

1256 строки
32 KiB
C
Исходник Ответственный История

/*
* QLogic Fibre Channel HBA Driver
* Copyright (c) 2003-2005 QLogic Corporation
*
* See LICENSE.qla2xxx for copyright and licensing details.
*/
#include "qla_def.h"
#include <linux/kthread.h>
#include <linux/vmalloc.h>
int qla24xx_vport_disable(struct fc_vport *, bool);
/* 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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
char *rbuf = (char *)ha->fw_dump;
if (ha->fw_dump_reading == 0)
return 0;
if (off > ha->fw_dump_len)
return 0;
if (off + count > ha->fw_dump_len)
count = ha->fw_dump_len - off;
memcpy(buf, &rbuf[off], count);
return (count);
}
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
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", ha->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",
ha->host_no);
}
break;
case 2:
qla2x00_alloc_fw_dump(ha);
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
int size = ha->nvram_size;
char *nvram_cache = ha->nvram;
if (!capable(CAP_SYS_ADMIN) || off > size || count == 0)
return 0;
if (off + count > size) {
size -= off;
count = size;
}
/* Read NVRAM data from cache. */
memcpy(buf, &nvram_cache[off], count);
return count;
}
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
unsigned long flags;
uint16_t cnt;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->nvram_size)
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;
}
/* Write NVRAM. */
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
ha->isp_ops->read_nvram(ha, (uint8_t *)ha->nvram, ha->nvram_base,
count);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
if (ha->optrom_state != QLA_SREADING)
return 0;
if (off > ha->optrom_region_size)
return 0;
if (off + count > ha->optrom_region_size)
count = ha->optrom_region_size - off;
memcpy(buf, &ha->optrom_buffer[off], count);
return count;
}
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
uint32_t start = 0;
uint32_t size = ha->optrom_size;
int val, valid;
if (off)
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;
if (start & 0xfff) {
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_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(ha, 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 == (FA_BOOT_CODE_ADDR*4) ||
start == (FA_RISC_CODE_ADDR*4))
valid = 1;
else if (IS_QLA25XX(ha) && start == (FA_VPD_NVRAM_ADDR*4))
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;
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(ha, 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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
int size = ha->vpd_size;
char *vpd_cache = ha->vpd;
if (!capable(CAP_SYS_ADMIN) || off > size || count == 0)
return 0;
if (off + count > size) {
size -= off;
count = size;
}
/* Read NVRAM data from cache. */
memcpy(buf, &vpd_cache[off], count);
return count;
}
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
unsigned long flags;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != ha->vpd_size)
return 0;
/* Write NVRAM. */
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->isp_ops->write_nvram(ha, (uint8_t *)buf, ha->vpd_base, count);
ha->isp_ops->read_nvram(ha, (uint8_t *)ha->vpd, ha->vpd_base, count);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
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 *ha = shost_priv(dev_to_shost(container_of(kobj,
struct device, kobj)));
uint16_t iter, addr, offset;
int rval;
if (!capable(CAP_SYS_ADMIN) || off != 0 || count != SFP_DEV_SIZE * 2)
return 0;
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(ha, 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 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 },
{ NULL },
};
void
qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
{
struct Scsi_Host *host = ha->host;
struct sysfs_entry *iter;
int ret;
for (iter = bin_file_entries; iter->name; iter++) {
if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
continue;
ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
iter->attr);
if (ret)
qla_printk(KERN_INFO, ha,
"Unable to create sysfs %s binary attribute "
"(%d).\n", iter->name, ret);
}
}
void
qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
{
struct Scsi_Host *host = ha->host;
struct sysfs_entry *iter;
for (iter = bin_file_entries; iter->name; iter++) {
if (iter->is4GBp_only && !IS_FWI2_CAPABLE(ha))
continue;
sysfs_remove_bin_file(&host->shost_gendev.kobj,
iter->attr);
}
if (ha->beacon_blink_led == 1)
ha->isp_ops->beacon_off(ha);
}
/* Scsi_Host attributes. */
static ssize_t
qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
}
static ssize_t
qla2x00_fw_version_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
char fw_str[30];
return snprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops->fw_version_str(ha, fw_str));
}
static ssize_t
qla2x00_serial_num_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
uint32_t sn;
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 class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "ISP%04X\n", ha->pdev->device);
}
static ssize_t
qla2x00_isp_id_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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 class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
}
static ssize_t
qla2x00_model_desc_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%s\n",
ha->model_desc ? ha->model_desc: "");
}
static ssize_t
qla2x00_pci_info_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
char pci_info[30];
return snprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops->pci_info_str(ha, pci_info));
}
static ssize_t
qla2x00_state_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
int len = 0;
if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
atomic_read(&ha->loop_state) == LOOP_DEAD)
len = snprintf(buf, PAGE_SIZE, "Link Down\n");
else if (atomic_read(&ha->loop_state) != LOOP_READY ||
test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
test_bit(ISP_ABORT_NEEDED, &ha->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 class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
int len = 0;
switch (ha->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 class_device *cdev, const char *buf, size_t count)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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, &ha->dpc_flags);
}
return strlen(buf);
}
static ssize_t
qla2x00_zio_timer_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%d us\n", ha->zio_timer * 100);
}
static ssize_t
qla2x00_zio_timer_store(struct class_device *cdev, const char *buf,
size_t count)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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);
ha->zio_timer = zio_timer;
return strlen(buf);
}
static ssize_t
qla2x00_beacon_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
int len = 0;
if (ha->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 class_device *cdev, const char *buf,
size_t count)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
int val = 0;
int rval;
if (IS_QLA2100(ha) || IS_QLA2200(ha))
return -EPERM;
if (test_bit(ABORT_ISP_ACTIVE, &ha->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(ha);
else
rval = ha->isp_ops->beacon_off(ha);
if (rval != QLA_SUCCESS)
count = 0;
return count;
}
static ssize_t
qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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 class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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 class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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 class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = shost_priv(class_to_shost(cdev));
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 CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
NULL);
static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
static CLASS_DEVICE_ATTR(zio, S_IRUGO | S_IWUSR, qla2x00_zio_show,
qla2x00_zio_store);
static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
qla2x00_zio_timer_store);
static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
qla2x00_beacon_store);
static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
qla2x00_optrom_bios_version_show, NULL);
static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
qla2x00_optrom_efi_version_show, NULL);
static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
qla2x00_optrom_fcode_version_show, NULL);
static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
qla2x00_optrom_fw_version_show, NULL);
struct class_device_attribute *qla2x00_host_attrs[] = {
&class_device_attr_driver_version,
&class_device_attr_fw_version,
&class_device_attr_serial_num,
&class_device_attr_isp_name,
&class_device_attr_isp_id,
&class_device_attr_model_name,
&class_device_attr_model_desc,
&class_device_attr_pci_info,
&class_device_attr_state,
&class_device_attr_zio,
&class_device_attr_zio_timer,
&class_device_attr_beacon,
&class_device_attr_optrom_bios_version,
&class_device_attr_optrom_efi_version,
&class_device_attr_optrom_fcode_version,
&class_device_attr_optrom_fw_version,
NULL,
};
/* Host attributes. */
static void
qla2x00_get_host_port_id(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
fc_host_port_id(shost) = ha->d_id.b.domain << 16 |
ha->d_id.b.area << 8 | ha->d_id.b.al_pa;
}
static void
qla2x00_get_host_speed(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
uint32_t speed = 0;
switch (ha->link_data_rate) {
case PORT_SPEED_1GB:
speed = 1;
break;
case PORT_SPEED_2GB:
speed = 2;
break;
case PORT_SPEED_4GB:
speed = 4;
break;
}
fc_host_speed(shost) = speed;
}
static void
qla2x00_get_host_port_type(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
uint32_t port_type = FC_PORTTYPE_UNKNOWN;
switch (ha->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 *ha = shost_priv(host);
fc_port_t *fcport;
u64 node_name = 0;
list_for_each_entry(fcport, &ha->fcports, list) {
if (starget->id == fcport->os_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 *ha = shost_priv(host);
fc_port_t *fcport;
u64 port_name = 0;
list_for_each_entry(fcport, &ha->fcports, list) {
if (starget->id == fcport->os_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 *ha = shost_priv(host);
fc_port_t *fcport;
uint32_t port_id = ~0U;
list_for_each_entry(fcport, &ha->fcports, list) {
if (starget->id == fcport->os_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_get_rport_loss_tmo(struct fc_rport *rport)
{
struct Scsi_Host *host = rport_to_shost(rport);
scsi_qla_host_t *ha = shost_priv(host);
rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}
static void
qla2x00_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout)
{
struct Scsi_Host *host = rport_to_shost(rport);
scsi_qla_host_t *ha = shost_priv(host);
if (timeout)
ha->port_down_retry_count = timeout;
else
ha->port_down_retry_count = 1;
rport->dev_loss_tmo = ha->port_down_retry_count + 5;
}
static int
qla2x00_issue_lip(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
set_bit(LOOP_RESET_NEEDED, &ha->dpc_flags);
return 0;
}
static struct fc_host_statistics *
qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
int rval;
uint16_t mb_stat[1];
link_stat_t stat_buf;
struct fc_host_statistics *pfc_host_stat;
rval = QLA_FUNCTION_FAILED;
pfc_host_stat = &ha->fc_host_stat;
memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
if (IS_FWI2_CAPABLE(ha)) {
rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
sizeof(stat_buf) / 4, mb_stat);
} else if (atomic_read(&ha->loop_state) == LOOP_READY &&
!test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
!test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
!ha->dpc_active) {
/* Must be in a 'READY' state for statistics retrieval. */
rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
mb_stat);
}
if (rval != QLA_SUCCESS)
goto done;
pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
pfc_host_stat->loss_of_signal_count = stat_buf.loss_sig_cnt;
pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
done:
return pfc_host_stat;
}
static void
qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
}
static void
qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
}
static void
qla2x00_get_host_fabric_name(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
u64 node_name;
if (ha->device_flags & SWITCH_FOUND)
node_name = wwn_to_u64(ha->fabric_node_name);
else
node_name = wwn_to_u64(ha->node_name);
fc_host_fabric_name(shost) = node_name;
}
static void
qla2x00_get_host_port_state(struct Scsi_Host *shost)
{
scsi_qla_host_t *ha = shost_priv(shost);
if (!ha->flags.online)
fc_host_port_state(shost) = FC_PORTSTATE_OFFLINE;
else if (atomic_read(&ha->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;
scsi_qla_host_t *ha = shost_priv(fc_vport->shost);
scsi_qla_host_t *vha;
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, "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(&ha->loop_state) == LOOP_DOWN ||
atomic_read(&ha->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",
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(vha->host, &fc_vport->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(ha->host);
fc_host_supported_speeds(vha->host) =
fc_host_supported_speeds(ha->host);
qla24xx_vport_disable(fc_vport, disable);
return 0;
vport_create_failed_2:
qla24xx_disable_vp(vha);
qla24xx_deallocate_vp_id(vha);
kfree(vha->port_name);
kfree(vha->node_name);
scsi_host_put(vha->host);
return FC_VPORT_FAILED;
}
int
qla24xx_vport_delete(struct fc_vport *fc_vport)
{
scsi_qla_host_t *ha = shost_priv(fc_vport->shost);
scsi_qla_host_t *vha = fc_vport->dd_data;
qla24xx_disable_vp(vha);
qla24xx_deallocate_vp_id(vha);
down(&ha->vport_sem);
ha->cur_vport_count--;
clear_bit(vha->vp_idx, (unsigned long *)ha->vp_idx_map);
up(&ha->vport_sem);
kfree(vha->node_name);
kfree(vha->port_name);
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));
}
fc_remove_host(vha->host);
scsi_remove_host(vha->host);
scsi_host_put(vha->host);
return 0;
}
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,
.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,
.get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.issue_fc_host_lip = qla2x00_issue_lip,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
.vport_create = qla24xx_vport_create,
.vport_disable = qla24xx_vport_disable,
.vport_delete = qla24xx_vport_delete,
};
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,
.get_rport_dev_loss_tmo = qla2x00_get_rport_loss_tmo,
.set_rport_dev_loss_tmo = qla2x00_set_rport_loss_tmo,
.show_rport_dev_loss_tmo = 1,
.issue_fc_host_lip = qla2x00_issue_lip,
.get_fc_host_stats = qla2x00_get_fc_host_stats,
};
void
qla2x00_init_host_attr(scsi_qla_host_t *ha)
{
fc_host_node_name(ha->host) = wwn_to_u64(ha->node_name);
fc_host_port_name(ha->host) = wwn_to_u64(ha->port_name);
fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
fc_host_max_npiv_vports(ha->host) = ha->max_npiv_vports;;
fc_host_npiv_vports_inuse(ha->host) = ha->cur_vport_count;
}
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