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[SCSI] be2iscsi: Get Port State and Speed of the Adapter

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Implement ISCSI_HOST_PARAM_PORT_STATE and ISCSI_HOST_PARAM_PORT_SPEED
to get the Adapter port state and port name

Signed-off-by: John Soni Jose <sony.john-n@emulex.com>
Signed-off-by: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
John Soni Jose 2012-04-03 23:41:52 -05:00 committed by James Bottomley
parent 0e43895ec1
commit c62eef0d1b
3 changed files with 140 additions and 0 deletions
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24
drivers/scsi/be2iscsi/be_cmds.h
View File

@ -596,6 +596,28 @@ struct be_cmd_hba_name {
u8 initiator_alias[BEISCSI_ALIAS_LEN];
} __packed;
struct be_cmd_ntwk_link_status_req {
struct be_cmd_req_hdr hdr;
u32 rsvd0;
} __packed;
/*** Port Speed Values ***/
#define BE2ISCSI_LINK_SPEED_ZERO 0x00
#define BE2ISCSI_LINK_SPEED_10MBPS 0x01
#define BE2ISCSI_LINK_SPEED_100MBPS 0x02
#define BE2ISCSI_LINK_SPEED_1GBPS 0x03
#define BE2ISCSI_LINK_SPEED_10GBPS 0x04
struct be_cmd_ntwk_link_status_resp {
struct be_cmd_resp_hdr hdr;
u8 phys_port;
u8 mac_duplex;
u8 mac_speed;
u8 mac_fault;
u8 mgmt_mac_duplex;
u8 mgmt_mac_speed;
u16 qos_link_speed;
u32 logical_link_speed;
} __packed;
int beiscsi_cmd_eq_create(struct be_ctrl_info *ctrl,
struct be_queue_info *eq, int eq_delay);
@ -615,6 +637,7 @@ 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_initname(struct beiscsi_hba *phba);
unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba);
void free_mcc_tag(struct be_ctrl_info *ctrl, unsigned int tag);
/*ISCSI Functuions */
@ -879,6 +902,7 @@ struct be_cmd_get_all_if_id_req {
} __packed;
#define ISCSI_OPCODE_SCSI_DATA_OUT 5
#define OPCODE_COMMON_NTWK_LINK_STATUS_QUERY 5
#define OPCODE_COMMON_MODIFY_EQ_DELAY 41
#define OPCODE_COMMON_ISCSI_CLEANUP 59
#define OPCODE_COMMON_TCP_UPLOAD 56

89
drivers/scsi/be2iscsi/be_iscsi.c
View File

@ -617,6 +617,79 @@ static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
return rc;
}
/**
* beiscsi_get_port_state - Get the Port State
* @shost : pointer to scsi_host structure
*
* returns number of bytes
*/
static void beiscsi_get_port_state(struct Scsi_Host *shost)
{
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct iscsi_cls_host *ihost = shost->shost_data;
ihost->port_state = (phba->state == BE_ADAPTER_UP) ?
ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
}
/**
* beiscsi_get_port_speed - Get the Port Speed from Adapter
* @shost : pointer to scsi_host structure
*
* returns Success/Failure
*/
static int beiscsi_get_port_speed(struct Scsi_Host *shost)
{
unsigned int tag, wrb_num;
unsigned short status, extd_status;
struct be_mcc_wrb *wrb;
struct be_cmd_ntwk_link_status_resp *resp;
struct beiscsi_hba *phba = iscsi_host_priv(shost);
struct iscsi_cls_host *ihost = shost->shost_data;
struct be_queue_info *mccq = &phba->ctrl.mcc_obj.q;
tag = be_cmd_get_port_speed(phba);
if (!tag) {
SE_DEBUG(DBG_LVL_1, "Getting Port Speed 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);
switch (resp->mac_speed) {
case BE2ISCSI_LINK_SPEED_10MBPS:
ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
break;
case BE2ISCSI_LINK_SPEED_100MBPS:
ihost->port_speed = BE2ISCSI_LINK_SPEED_100MBPS;
break;
case BE2ISCSI_LINK_SPEED_1GBPS:
ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
break;
case BE2ISCSI_LINK_SPEED_10GBPS:
ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
break;
default:
ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
}
return 0;
}
/**
* beiscsi_get_host_param - get the iscsi parameter
* @shost: pointer to scsi_host structure
@ -648,6 +721,19 @@ int beiscsi_get_host_param(struct Scsi_Host *shost,
return status;
}
break;
case ISCSI_HOST_PARAM_PORT_STATE:
beiscsi_get_port_state(shost);
status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
break;
case ISCSI_HOST_PARAM_PORT_SPEED:
status = beiscsi_get_port_speed(shost);
if (status) {
SE_DEBUG(DBG_LVL_1,
"Retreiving Port Speed Failed\n");
return status;
}
status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
break;
default:
return iscsi_host_get_param(shost, param, buf);
}
@ -1073,6 +1159,9 @@ umode_t be2iscsi_attr_is_visible(int param_type, int param)
case ISCSI_HOST_PARAM:
switch (param) {
case ISCSI_HOST_PARAM_HWADDRESS:
case ISCSI_HOST_PARAM_INITIATOR_NAME:
case ISCSI_HOST_PARAM_PORT_STATE:
case ISCSI_HOST_PARAM_PORT_SPEED:
return S_IRUGO;
default:
return 0;

27
drivers/scsi/be2iscsi/be_mgmt.c
View File

@ -898,3 +898,30 @@ unsigned int be_cmd_get_initname(struct beiscsi_hba *phba)
spin_unlock(&ctrl->mbox_lock);
return tag;
}
unsigned int be_cmd_get_port_speed(struct beiscsi_hba *phba)
{
unsigned int tag = 0;
struct be_mcc_wrb *wrb;
struct be_cmd_ntwk_link_status_req *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_COMMON,
OPCODE_COMMON_NTWK_LINK_STATUS_QUERY,
sizeof(*req));
be_mcc_notify(phba);
spin_unlock(&ctrl->mbox_lock);
return tag;
}