Commit 2177199d authored by John Soni Jose's avatar John Soni Jose Committed by James Bottomley

[SCSI] be2iscsi: Get Initiator Name for the iSCSI_Host

Implement the ISCSI_HOST_PARAM_INITIATOR_NAME for .get_host_param
Signed-off-by: default avatarJohn Soni Jose <sony.john-n@emulex.com>
Signed-off-by: default avatarJayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <JBottomley@Parallels.com>
parent 605c6cd2
......@@ -15,6 +15,8 @@
* Costa Mesa, CA 92626
*/
#include <scsi/iscsi_proto.h>
#include "be.h"
#include "be_mgmt.h"
#include "be_main.h"
......
......@@ -513,6 +513,17 @@ struct be_cmd_resp_get_mac_addr {
u32 rsvd[23];
};
#define BEISCSI_ALIAS_LEN 32
struct be_cmd_hba_name {
struct be_cmd_req_hdr hdr;
u16 flags;
u16 rsvd0;
u8 initiator_name[ISCSI_NAME_LEN];
u8 initiator_alias[BEISCSI_ALIAS_LEN];
} __packed;
int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay);
......@@ -531,6 +542,7 @@ int be_poll_mcc(struct be_ctrl_info *ctrl);
int mgmt_check_supported_fw(struct be_ctrl_info *ctrl,
struct beiscsi_hba *phba);
unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba);
unsigned int be_cmd_get_initname(struct beiscsi_hba *phba);
unsigned int beiscsi_get_boot_target(struct beiscsi_hba *phba);
unsigned int beiscsi_get_session_info(struct beiscsi_hba *phba,
u32 boot_session_handle,
......
......@@ -278,6 +278,48 @@ int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
return 0;
}
/**
* beiscsi_get_initname - Read Initiator Name from flash
* @buf: buffer bointer
* @phba: The device priv structure instance
*
* returns number of bytes
*/
static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
{
int rc;
unsigned int tag, wrb_num;
unsigned short status, extd_status;
struct be_mcc_wrb *wrb;
struct be_cmd_hba_name *resp;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
tag = be_cmd_get_initname(phba);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "Getting Initiator Name Failed\n");
return -EBUSY;
} else
wait_event_interruptible(phba->ctrl.mcc_wait[tag],
phba->ctrl.mcc_numtag[tag]);
wrb_num = (phba->ctrl.mcc_numtag[tag] & 0x00FF0000) >> 16;
extd_status = (phba->ctrl.mcc_numtag[tag] & 0x0000FF00) >> 8;
status = phba->ctrl.mcc_numtag[tag] & 0x000000FF;
if (status || extd_status) {
SE_DEBUG(DBG_LVL_1, "MailBox Command Failed with "
"status = %d extd_status = %d\n",
status, extd_status);
free_mcc_tag(&phba->ctrl, tag);
return -EAGAIN;
}
wrb = queue_get_wrb(mccq, wrb_num);
free_mcc_tag(&phba->ctrl, tag);
resp = embedded_payload(wrb);
rc = sprintf(buf, "%s\n", resp->initiator_name);
return rc;
}
/**
* beiscsi_get_host_param - get the iscsi parameter
* @shost: pointer to scsi_host structure
......@@ -301,6 +343,14 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
return status;
}
break;
case ISCSI_HOST_PARAM_INITIATOR_NAME:
status = beiscsi_get_initname(buf, phba);
if (status < 0) {
SE_DEBUG(DBG_LVL_1,
"Retreiving Initiator Name Failed\n");
return status;
}
break;
default:
return iscsi_host_get_param(shost, param, buf);
}
......
......@@ -447,3 +447,29 @@ unsigned int be_cmd_get_mac_addr(struct beiscsi_hba *phba)
return tag;
}
unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
{
unsigned int tag = 0;
struct be_mcc_wrb *wrb;
struct be_cmd_hba_name *req;
struct be_ctrl_info *ctrl = &phba->ctrl;
spin_lock(&ctrl->mbox_lock);
tag = alloc_mcc_tag(phba);
if (!tag) {
spin_unlock(&ctrl->mbox_lock);
return tag;
}
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_CFG_GET_HBA_NAME,
sizeof(*req));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}
......@@ -661,6 +661,8 @@ struct iscsi_reject {
#define ISCSI_DEF_TIME2WAIT 2
#define ISCSI_NAME_LEN 224
/************************* RFC 3720 End *****************************/
#endif /* ISCSI_PROTO_H */
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment