Techwizz/kernel-fxtec-pro1x
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

be2iscsi : Logout of FW Boot Session

Browse source 
Once be2iscsi driver is loaded and operational close Boot
 session established by FW.

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@Odin.com>
This commit is contained in:
John Soni Jose 2015-04-25 08:18:13 +05:30 committed by James Bottomley
parent eb1c46924d
commit 3f4134c12a
4 changed files with 87 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/scsi/be2iscsi/be_cmds.h
View file

@ -304,6 +304,17 @@ struct mgmt_auth_method_format {
struct mgmt_chap_format chap;
} __packed;
struct be_cmd_req_logout_fw_sess {
struct be_cmd_req_hdr hdr; /* dw[4] */
uint32_t session_handle;
} __packed;
struct be_cmd_resp_logout_fw_sess {
struct be_cmd_resp_hdr hdr; /* dw[4] */
#define BEISCSI_MGMT_SESSION_CLOSE 0x20
uint32_t session_status;
} __packed;
struct mgmt_conn_login_options {
u8 flags;
u8 header_digest;
@ -1136,6 +1147,7 @@ struct be_cmd_get_all_if_id_req {
#define OPCODE_ISCSI_INI_CFG_GET_HBA_NAME 6
#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME 7
#define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION 14
#define OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET 24
#define OPCODE_ISCSI_INI_DRIVER_REOPEN_ALL_SESSIONS 36
#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41
#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42

3
drivers/scsi/be2iscsi/be_main.c
View file

@ -4400,6 +4400,9 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba)
memcpy(&phba->boot_sess, &session_resp->session_info,
sizeof(struct mgmt_session_info));
beiscsi_logout_fw_sess(phba,
phba->boot_sess.session_handle);
ret = 0;
boot_freemem:

69
drivers/scsi/be2iscsi/be_mgmt.c
View file

@ -1707,3 +1707,72 @@ void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params,
(params->dw[offsetof(struct amap_beiscsi_offload_params,
exp_statsn) / 32] + 1));
}
/**
* beiscsi_logout_fw_sess()- Firmware Session Logout
* @phba: Device priv structure instance
* @fw_sess_handle: FW session handle
*
* Logout from the FW established sessions.
* returns
* Success: 0
* Failure: Non-Zero Value
*
*/
int beiscsi_logout_fw_sess(struct beiscsi_hba *phba,
uint32_t fw_sess_handle)
{
struct be_ctrl_info *ctrl = &phba->ctrl;
struct be_mcc_wrb *wrb;
struct be_cmd_req_logout_fw_sess *req;
struct be_cmd_resp_logout_fw_sess *resp;
unsigned int tag;
int rc;
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : In bescsi_logout_fwboot_sess\n");
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
beiscsi_log(phba, KERN_INFO,
BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
"BG_%d : MBX Tag Failure\n");
return -EINVAL;
}
wrb = wrb_from_mccq(phba);
req = embedded_payload(wrb);
wrb->tag0 |= tag;
be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0);
be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
OPCODE_ISCSI_INI_SESSION_LOGOUT_TARGET,
sizeof(struct be_cmd_req_logout_fw_sess));
/* Set the session handle */
req->session_handle = fw_sess_handle;
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
rc = beiscsi_mccq_compl(phba, tag, &wrb, NULL);
if (rc) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d : MBX CMD FW_SESSION_LOGOUT_TARGET Failed\n");
return -EBUSY;
}
resp = embedded_payload(wrb);
if (resp->session_status !=
BEISCSI_MGMT_SESSION_CLOSE) {
beiscsi_log(phba, KERN_ERR,
BEISCSI_LOG_INIT | BEISCSI_LOG_CONFIG,
"BG_%d : FW_SESSION_LOGOUT_TARGET resp : 0x%x\n",
resp->session_status);
rc = -EINVAL;
}
return rc;
}

3
drivers/scsi/be2iscsi/be_mgmt.h
View file

@ -338,4 +338,7 @@ void beiscsi_ue_detect(struct beiscsi_hba *phba);
int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,
struct be_set_eqd *, int num);
int beiscsi_logout_fw_sess(struct beiscsi_hba *phba,
uint32_t fw_sess_handle);
#endif