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[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers 

Individual WWN read operations based on controller.
PM8081 - Read WWN from Flash VPD.
PM8088/89 - Read WWN from EEPROM.
PM8001 - Read WWN from NVM.

Signed-off-by: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>
Signed-off-by: Anand Kumar S <AnandKumar.Santhanam@pmcs.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Sakthivel K 2013-03-19 18:07:35 +05:30 committed by James Bottomley
parent a70b8fc3a5
commit a33a0155da
1 changed files with 36 additions and 7 deletions
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43
drivers/scsi/pm8001/pm8001_init.c
View File

@ -605,21 +605,50 @@ static void pm8001_post_sas_ha_init(struct Scsi_Host *shost,
*/
static void pm8001_init_sas_add(struct pm8001_hba_info *pm8001_ha)
{
u8 i;
u8 i, j;
#ifdef PM8001_READ_VPD
/* For new SPC controllers WWN is stored in flash vpd
* For SPC/SPCve controllers WWN is stored in EEPROM
* For Older SPC WWN is stored in NVMD
*/
DECLARE_COMPLETION_ONSTACK(completion);
struct pm8001_ioctl_payload payload;
u16 deviceid;
pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
pm8001_ha->nvmd_completion = &completion;
payload.minor_function = 0;
payload.length = 128;
payload.func_specific = kzalloc(128, GFP_KERNEL);
if (pm8001_ha->chip_id == chip_8001) {
if (deviceid == 0x8081) {
payload.minor_function = 4;
payload.length = 4096;
} else {
payload.minor_function = 0;
payload.length = 128;
}
} else {
payload.minor_function = 1;
payload.length = 4096;
}
payload.offset = 0;
payload.func_specific = kzalloc(payload.length, GFP_KERNEL);
PM8001_CHIP_DISP->get_nvmd_req(pm8001_ha, &payload);
wait_for_completion(&completion);
for (i = 0, j = 0; i <= 7; i++, j++) {
if (pm8001_ha->chip_id == chip_8001) {
if (deviceid == 0x8081)
pm8001_ha->sas_addr[j] =
payload.func_specific[0x704 + i];
} else
pm8001_ha->sas_addr[j] =
payload.func_specific[0x804 + i];
}
for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
memcpy(&pm8001_ha->phy[i].dev_sas_addr, pm8001_ha->sas_addr,
SAS_ADDR_SIZE);
memcpy(&pm8001_ha->phy[i].dev_sas_addr,
pm8001_ha->sas_addr, SAS_ADDR_SIZE);
PM8001_INIT_DBG(pm8001_ha,
pm8001_printk("phy %d sas_addr = %016llx \n", i,
pm8001_printk("phy %d sas_addr = %016llx\n", i,
pm8001_ha->phy[i].dev_sas_addr));
}
#else