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authorSakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>2013-03-19 18:07:35 +0530
committerJames Bottomley <JBottomley@Parallels.com>2013-05-10 07:47:50 -0700
commita33a0155dae5a8fdc85a9853ca06d6d57b90a4d9 (patch)
tree1936f52d402010319644277393ed3181c13889e9 /drivers
parenta70b8fc3a582694073c3676dba6a39e4e77f8727 (diff)
downloadlinux-linaro-stable-a33a0155dae5a8fdc85a9853ca06d6d57b90a4d9.tar.gz
[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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/scsi/pm8001/pm8001_init.c43
1 files changed, 36 insertions, 7 deletions
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index 0c14dc04194b..055f7d0e15d8 100644
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -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