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[SCSI] qla2xxx: Add VPD sysfs attribute.

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Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
andrew.vasquez@qlogic.com 2006-03-09 14:27:34 -08:00 committed by James Bottomley
parent fdbc6833c5
commit 6f6417905c
4 changed files with 65 additions and 2 deletions
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57
drivers/scsi/qla2xxx/qla_attr.c
View file

@ -308,6 +308,61 @@ static struct bin_attribute sysfs_optrom_ctl_attr = {
.write = qla2x00_sysfs_write_optrom_ctl,
};
static ssize_t
qla2x00_sysfs_read_vpd(struct kobject *kobj, char *buf, loff_t off,
size_t count)
{
struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
struct device, kobj)));
unsigned long flags;
if (!capable(CAP_SYS_ADMIN) || off != 0)
return 0;
if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
return -ENOTSUPP;
/* Read NVRAM. */
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->isp_ops.read_nvram(ha, (uint8_t *)buf, ha->vpd_base, ha->vpd_size);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
return ha->vpd_size;
}
static ssize_t
qla2x00_sysfs_write_vpd(struct kobject *kobj, char *buf, loff_t off,
size_t count)
{
struct scsi_qla_host *ha = to_qla_host(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;
if (!IS_QLA24XX(ha) && !IS_QLA54XX(ha))
return -ENOTSUPP;
/* Write NVRAM. */
spin_lock_irqsave(&ha->hardware_lock, flags);
ha->isp_ops.write_nvram(ha, (uint8_t *)buf, 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,
.owner = THIS_MODULE,
},
.size = 0,
.read = qla2x00_sysfs_read_vpd,
.write = qla2x00_sysfs_write_vpd,
};
void
qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
{
@ -318,6 +373,7 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *ha)
sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
sysfs_create_bin_file(&host->shost_gendev.kobj,
&sysfs_optrom_ctl_attr);
sysfs_create_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr);
}
void
@ -330,6 +386,7 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_optrom_attr);
sysfs_remove_bin_file(&host->shost_gendev.kobj,
&sysfs_optrom_ctl_attr);
sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_vpd_attr);
if (ha->beacon_blink_led == 1)
ha->isp_ops.beacon_off(ha);

2
drivers/scsi/qla2xxx/qla_def.h
View file

@ -2344,6 +2344,8 @@ typedef struct scsi_qla_host {
/* NVRAM configuration data */
uint16_t nvram_size;
uint16_t nvram_base;
uint16_t vpd_size;
uint16_t vpd_base;
uint16_t loop_reset_delay;
uint8_t retry_count;

2
drivers/scsi/qla2xxx/qla_fw.h
View file

@ -759,7 +759,7 @@ struct device_reg_24xx {
#define FA_NVRAM_FUNC0_ADDR 0x80
#define FA_NVRAM_FUNC1_ADDR 0x180
#define FA_NVRAM_VPD_SIZE 0x80
#define FA_NVRAM_VPD_SIZE 0x200
#define FA_NVRAM_VPD0_ADDR 0x00
#define FA_NVRAM_VPD1_ADDR 0x100
/*

6
drivers/scsi/qla2xxx/qla_init.c
View file

@ -3263,8 +3263,12 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
/* Determine NVRAM starting address. */
ha->nvram_size = sizeof(struct nvram_24xx);
ha->nvram_base = FA_NVRAM_FUNC0_ADDR;
if (PCI_FUNC(ha->pdev->devfn))
ha->vpd_size = FA_NVRAM_VPD_SIZE;
ha->vpd_base = FA_NVRAM_VPD0_ADDR;
if (PCI_FUNC(ha->pdev->devfn)) {
ha->nvram_base = FA_NVRAM_FUNC1_ADDR;
ha->vpd_base = FA_NVRAM_VPD1_ADDR;
}
/* Get NVRAM data and calculate checksum. */
dptr = (uint32_t *)nv;