* [PATCH 13/15] pm80xx: WWN Modification for PM8081/88/89 controllers
@ 2013-02-12 12:42 Anand
0 siblings, 0 replies; only message in thread
From: Anand @ 2013-02-12 12:42 UTC (permalink / raw)
To: linux-scsi
Cc: jack_wang, Sangeetha.Gnanasekaran, Vishwanath.Maram, Harry.Yang
>From 43681f8bc5a857318ead1a9173d6b796f238738c Mon Sep 17 00:00:00 2001
From: Sakthivel K <Sakthivel.SaravananKamalRaju@pmcs.com>
Date: Tue, 5 Feb 2013 12:07:19 +0530
Subject: [PATCH 13/15] 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 <DL.Team.PMC.SPC.Linux.open.source@pmcs.com>
Signed-off-by: Anand Kumar S <DL.Team.PMC.SPC.Linux.open.source@pmcs.com>
---
drivers/scsi/pm8001/pm8001_init.c | 43 +++++++++++++++++++++++++++++++------
1 files changed, 36 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c
index a9e6db0..b884a58 100755
--- a/drivers/scsi/pm8001/pm8001_init.c
+++ b/drivers/scsi/pm8001/pm8001_init.c
@@ -1566,21 +1566,50 @@ 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
--
1.7.1
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