[SCSI] qla4xxx: Added Get ACB support using BSG

This command is used to read ACB params from firmware

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>

1 files changed, 9 insertions, 6 deletions

diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c
index dfc38aa8740d..de733a777803 100644
--- a/drivers/scsi/qla4xxx/ql4_mbx.c
+++ b/drivers/scsi/qla4xxx/ql4_mbx.c
@@ -1425,18 +1425,21 @@ int qla4xxx_disable_acb(struct scsi_qla_host *ha)
         return status;
 }
 
-int qla4xxx_get_acb(struct scsi_qla_host *ha, uint32_t *mbox_cmd,
-                    uint32_t *mbox_sts, dma_addr_t acb_dma)
+int qla4xxx_get_acb(struct scsi_qla_host *ha, dma_addr_t acb_dma,
+                    uint32_t acb_type, uint32_t len)
 {
+        uint32_t mbox_cmd[MBOX_REG_COUNT];
+        uint32_t mbox_sts[MBOX_REG_COUNT];
         int status = QLA_SUCCESS;
 
-        memset(mbox_cmd, 0, sizeof(mbox_cmd[0]) * MBOX_REG_COUNT);
-        memset(mbox_sts, 0, sizeof(mbox_sts[0]) * MBOX_REG_COUNT);
+        memset(&mbox_cmd, 0, sizeof(mbox_cmd));
+        memset(&mbox_sts, 0, sizeof(mbox_sts));
+
         mbox_cmd[0] = MBOX_CMD_GET_ACB;
-        mbox_cmd[1] = 0; /* Primary ACB */
+        mbox_cmd[1] = acb_type;
         mbox_cmd[2] = LSDW(acb_dma);
         mbox_cmd[3] = MSDW(acb_dma);
-        mbox_cmd[4] = sizeof(struct addr_ctrl_blk);
+        mbox_cmd[4] = len;
 
         status = qla4xxx_mailbox_command(ha, 5, 5, &mbox_cmd[0], &mbox_sts[0]);
         if (status != QLA_SUCCESS) {