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authorHarish Zunjarrao <harish.zunjarrao@qlogic.com>2011-08-01 03:26:16 -0700
committerJames Bottomley <JBottomley@Parallels.com>2011-08-27 08:36:33 -0600
commit7c07d139cfec3172e813b468a8a173ad73bb5da9 (patch)
treeb7c83b48845668b75d0efd4d7f4e3eb6fe8570e8 /drivers/scsi/qla4xxx/ql4_mbx.c
parent8b0402e1383cd51121f05a1d249cde0212c28c99 (diff)
[SCSI] qla4xxx: Add read/update NVRAM support for 40xx adapters using BSG
Signed-off-by: Harish Zunjarrao <harish.zunjarrao@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla4xxx/ql4_mbx.c')
-rw-r--r--drivers/scsi/qla4xxx/ql4_mbx.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index aec72309f60f..011c822f5ff6 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1690,3 +1690,55 @@ int qla4xxx_get_ip_state(struct scsi_qla_host *ha, uint32_t acb_idx,
memcpy(sts, mbox_sts, sizeof(mbox_sts));
return status;
}
+
+int qla4xxx_get_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+ uint32_t offset, uint32_t size)
+{
+ int status = QLA_SUCCESS;
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_GET_NVRAM;
+ mbox_cmd[1] = LSDW(nvram_dma);
+ mbox_cmd[2] = MSDW(nvram_dma);
+ mbox_cmd[3] = offset;
+ mbox_cmd[4] = size;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+ &mbox_sts[0]);
+ if (status != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+ "status %04X\n", ha->host_no, __func__,
+ mbox_sts[0]));
+ }
+ return status;
+}
+
+int qla4xxx_set_nvram(struct scsi_qla_host *ha, dma_addr_t nvram_dma,
+ uint32_t offset, uint32_t size)
+{
+ int status = QLA_SUCCESS;
+ uint32_t mbox_cmd[MBOX_REG_COUNT];
+ uint32_t mbox_sts[MBOX_REG_COUNT];
+
+ memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+ memset(&mbox_sts, 0, sizeof(mbox_sts));
+
+ mbox_cmd[0] = MBOX_CMD_SET_NVRAM;
+ mbox_cmd[1] = LSDW(nvram_dma);
+ mbox_cmd[2] = MSDW(nvram_dma);
+ mbox_cmd[3] = offset;
+ mbox_cmd[4] = size;
+
+ status = qla4xxx_mailbox_command(ha, MBOX_REG_COUNT, 1, &mbox_cmd[0],
+ &mbox_sts[0]);
+ if (status != QLA_SUCCESS) {
+ DEBUG2(ql4_printk(KERN_ERR, ha, "scsi%ld: %s: failed "
+ "status %04X\n", ha->host_no, __func__,
+ mbox_sts[0]));
+ }
+ return status;
+}