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Commit 3f4134c1 authored by John Soni Jose's avatar John Soni Jose Committed by James Bottomley
Browse files

be2iscsi : Logout of FW Boot Session 



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

Signed-off-by: default avatarJohn Soni Jose <sony.john-n@emulex.com>
Signed-off-by: default avatarJayamohan Kallickal <jayamohan.kallickal@emulex.com>
Reviewed-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent eb1c4692

drivers/scsi/be2iscsi/be_cmds.h

+12 −0
Original line number Original line Diff line number Diff line
@@ -304,6 +304,17 @@ struct mgmt_auth_method_format { 
	struct	mgmt_chap_format chap;

	struct	mgmt_chap_format chap;

} __packed;

} __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 {

struct mgmt_conn_login_options {

	u8 flags;

	u8 flags;

	u8 header_digest;

	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_GET_HBA_NAME	6

#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7

#define OPCODE_ISCSI_INI_CFG_SET_HBA_NAME	7

#define OPCODE_ISCSI_INI_SESSION_GET_A_SESSION  14

#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_REOPEN_ALL_SESSIONS 36

#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41

#define OPCODE_ISCSI_INI_DRIVER_OFFLOAD_SESSION 41

#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42

#define OPCODE_ISCSI_INI_DRIVER_INVALIDATE_CONNECTION 42

drivers/scsi/be2iscsi/be_main.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -4400,6 +4400,9 @@ static int beiscsi_get_boot_info(struct beiscsi_hba *phba) 




	memcpy(&phba->boot_sess, &session_resp->session_info,

	memcpy(&phba->boot_sess, &session_resp->session_info,

	       sizeof(struct mgmt_session_info));

	       sizeof(struct mgmt_session_info));



	 beiscsi_logout_fw_sess(phba,

				phba->boot_sess.session_handle);

	ret = 0;

	ret = 0;





boot_freemem:

boot_freemem:

drivers/scsi/be2iscsi/be_mgmt.c

+69 −0
Original line number Original line Diff line number Diff line
@@ -1707,3 +1707,72 @@ void beiscsi_offload_cxn_v2(struct beiscsi_offload_params *params, 
		     (params->dw[offsetof(struct amap_beiscsi_offload_params,

		     (params->dw[offsetof(struct amap_beiscsi_offload_params,

		      exp_statsn) / 32] + 1));

		      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;

}

drivers/scsi/be2iscsi/be_mgmt.h

+3 −0
Original line number Original line Diff line number Diff line
@@ -338,4 +338,7 @@ void beiscsi_ue_detect(struct beiscsi_hba *phba); 
int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,

int be_cmd_modify_eq_delay(struct beiscsi_hba *phba,

			 struct be_set_eqd *, int num);

			 struct be_set_eqd *, int num);





int beiscsi_logout_fw_sess(struct beiscsi_hba *phba,

			    uint32_t fw_sess_handle);



#endif
 
#endif