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[SCSI] be2iscsi: Fix lack of uninitialize pattern to FW 

This patch sends uninitialize pattern to FW during driver unload
which is expected by FW for cleanup

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Jayamohan Kallickal 2013-04-05 20:38:21 -07:00 committed by James Bottomley
parent 4f8d1bd273
commit 0283fbb18c
3 changed files with 53 additions and 0 deletions
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51
drivers/scsi/be2iscsi/be_cmds.c
View File

@ -732,6 +732,16 @@ int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
return status;
}
/**
* be_cmd_fw_initialize()- Initialize FW
* @ctrl: Pointer to function control structure
*
* Send FW initialize pattern for the function.
*
* return
* Success: 0
* Failure: Non-Zero value
**/
int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
@ -762,6 +772,47 @@ int be_cmd_fw_initialize(struct be_ctrl_info *ctrl)
return status;
}
/**
* be_cmd_fw_uninit()- Uinitialize FW
* @ctrl: Pointer to function control structure
*
* Send FW uninitialize pattern for the function
*
* return
* Success: 0
* Failure: Non-Zero value
**/
int be_cmd_fw_uninit(struct be_ctrl_info *ctrl)
{
struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
struct beiscsi_hba *phba = pci_get_drvdata(ctrl->pdev);
int status;
u8 *endian_check;
spin_lock(&ctrl->mbox_lock);
memset(wrb, 0, sizeof(*wrb));
endian_check = (u8 *) wrb;
*endian_check++ = 0xFF;
*endian_check++ = 0xAA;
*endian_check++ = 0xBB;
*endian_check++ = 0xFF;
*endian_check++ = 0xFF;
*endian_check++ = 0xCC;
*endian_check++ = 0xDD;
*endian_check = 0xFF;
be_dws_cpu_to_le(wrb, sizeof(*wrb));
status = be_mbox_notify(ctrl);
if (status)
beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT,
"BC_%d : be_cmd_fw_uninit Failed\n");
spin_unlock(&ctrl->mbox_lock);
return status;
}
int beiscsi_cmd_cq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *cq, struct be_queue_info *eq,
bool sol_evts, bool no_delay, int coalesce_wm)

1
drivers/scsi/be2iscsi/be_cmds.h
View File

@ -697,6 +697,7 @@ int beiscsi_mccq_compl(struct beiscsi_hba *phba,
uint32_t tag, struct be_mcc_wrb **wrb, void *cmd_va);
/*ISCSI Functuions */
int be_cmd_fw_initialize(struct be_ctrl_info *ctrl);
int be_cmd_fw_uninit(struct be_ctrl_info *ctrl);
struct be_mcc_wrb *wrb_from_mbox(struct be_dma_mem *mbox_mem);
struct be_mcc_wrb *wrb_from_mccq(struct beiscsi_hba *phba);

1
drivers/scsi/be2iscsi/be_main.c
View File

@ -3430,6 +3430,7 @@ static void hwi_cleanup(struct beiscsi_hba *phba)
beiscsi_cmd_q_destroy(ctrl, q, QTYPE_EQ);
}
be_mcc_queues_destroy(phba);
be_cmd_fw_uninit(ctrl);
}
static int be_mcc_queues_create(struct beiscsi_hba *phba,