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| author | Vikas Chaudhary <vikas.chaudhary@qlogic.com> | 2012-02-13 18:30:48 +0530 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-02-19 09:34:50 -0600 |
| commit | ac20c7bf070df2b0feb410558ec4d75dbe59b701 (patch) | |
| tree | 7af9b3e1ef4b8abbb8232fb264a1db51c57f6679 /include | |
| parent | ff884430801c08bd909fd95f6cb1a0446afd30db (diff) | |
| download | linux-ac20c7bf070df2b0feb410558ec4d75dbe59b701.tar.gz linux-ac20c7bf070df2b0feb410558ec4d75dbe59b701.tar.bz2 linux-ac20c7bf070df2b0feb410558ec4d75dbe59b701.zip | |
[SCSI] iscsi_transport: Added Ping support
Added ping support for iscsi adapter, application can use this
interface for diagnostic network connection.
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/scsi/iscsi_if.h | 17 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 8 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 3aac99155e80..7ff9678b7e79 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -60,6 +60,7 @@ enum iscsi_uevent_e { ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20, ISCSI_UEVENT_SET_IFACE_PARAMS = UEVENT_BASE + 21, + ISCSI_UEVENT_PING = UEVENT_BASE + 22, /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, @@ -73,6 +74,7 @@ enum iscsi_uevent_e { ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8, ISCSI_KEVENT_CONN_LOGIN_STATE = KEVENT_BASE + 9, ISCSI_KEVENT_HOST_EVENT = KEVENT_BASE + 10, + ISCSI_KEVENT_PING_COMP = KEVENT_BASE + 11, }; enum iscsi_tgt_dscvr { @@ -186,6 +188,14 @@ struct iscsi_uevent { uint32_t host_no; uint32_t count; } set_iface_params; + struct msg_iscsi_ping { + uint32_t host_no; + uint32_t iface_num; + uint32_t iface_type; + uint32_t payload_size; + uint32_t pid; /* unique ping id associated + with each ping request */ + } iscsi_ping; } u; union { /* messages k -> u */ @@ -235,6 +245,13 @@ struct iscsi_uevent { uint32_t data_size; enum iscsi_host_event_code code; } host_event; + struct msg_ping_comp { + uint32_t host_no; + uint32_t status; + uint32_t pid; /* unique ping id associated + with each ping request */ + uint32_t data_size; + } ping_comp; } r; } __attribute__ ((aligned (sizeof(uint64_t)))); diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 7f047314281b..aede513f99bd 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -144,6 +144,9 @@ struct iscsi_transport { int param, char *buf); umode_t (*attr_is_visible)(int param_type, int param); int (*bsg_request)(struct bsg_job *job); + int (*send_ping) (struct Scsi_Host *shost, uint32_t iface_num, + uint32_t iface_type, uint32_t payload_size, + uint32_t pid, struct sockaddr *dst_addr); }; /* @@ -172,6 +175,11 @@ extern void iscsi_post_host_event(uint32_t host_no, uint32_t data_size, uint8_t *data); +extern void iscsi_ping_comp_event(uint32_t host_no, + struct iscsi_transport *transport, + uint32_t status, uint32_t pid, + uint32_t data_size, uint8_t *data); + struct iscsi_cls_conn { struct list_head conn_list; /* item in connlist */ void *dd_data; /* LLD private data */ |