diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/iscsi_if.h | 64 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 24 |
2 files changed, 68 insertions, 20 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 933a91b1474e..2c3a89b64e71 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -86,7 +86,7 @@ struct iscsi_uevent { uint32_t sid; uint32_t cid; uint32_t param; /* enum iscsi_param */ - uint32_t value; + uint32_t len; } set_param; struct msg_start_conn { uint32_t sid; @@ -155,22 +155,54 @@ enum iscsi_err { * iSCSI Parameters (RFC3720) */ enum iscsi_param { - ISCSI_PARAM_MAX_RECV_DLENGTH = 0, - ISCSI_PARAM_MAX_XMIT_DLENGTH = 1, - ISCSI_PARAM_HDRDGST_EN = 2, - ISCSI_PARAM_DATADGST_EN = 3, - ISCSI_PARAM_INITIAL_R2T_EN = 4, - ISCSI_PARAM_MAX_R2T = 5, - ISCSI_PARAM_IMM_DATA_EN = 6, - ISCSI_PARAM_FIRST_BURST = 7, - ISCSI_PARAM_MAX_BURST = 8, - ISCSI_PARAM_PDU_INORDER_EN = 9, - ISCSI_PARAM_DATASEQ_INORDER_EN = 10, - ISCSI_PARAM_ERL = 11, - ISCSI_PARAM_IFMARKER_EN = 12, - ISCSI_PARAM_OFMARKER_EN = 13, + /* passed in using netlink set param */ + ISCSI_PARAM_MAX_RECV_DLENGTH, + ISCSI_PARAM_MAX_XMIT_DLENGTH, + ISCSI_PARAM_HDRDGST_EN, + ISCSI_PARAM_DATADGST_EN, + ISCSI_PARAM_INITIAL_R2T_EN, + ISCSI_PARAM_MAX_R2T, + ISCSI_PARAM_IMM_DATA_EN, + ISCSI_PARAM_FIRST_BURST, + ISCSI_PARAM_MAX_BURST, + ISCSI_PARAM_PDU_INORDER_EN, + ISCSI_PARAM_DATASEQ_INORDER_EN, + ISCSI_PARAM_ERL, + ISCSI_PARAM_IFMARKER_EN, + ISCSI_PARAM_OFMARKER_EN, + ISCSI_PARAM_TARGET_NAME, + ISCSI_PARAM_TPGT, + ISCSI_PARAM_PERSISTENT_ADDRESS, + ISCSI_PARAM_PERSISTENT_PORT, + + /* pased in through bind conn using transport_fd */ + ISCSI_PARAM_CONN_PORT, + ISCSI_PARAM_CONN_ADDRESS, + + /* must always be last */ + ISCSI_PARAM_MAX, }; -#define ISCSI_PARAM_MAX 14 + +#define ISCSI_MAX_RECV_DLENGTH (1 << ISCSI_PARAM_MAX_RECV_DLENGTH) +#define ISCSI_MAX_XMIT_DLENGTH (1 << ISCSI_PARAM_MAX_XMIT_DLENGTH) +#define ISCSI_HDRDGST_EN (1 << ISCSI_PARAM_HDRDGST_EN) +#define ISCSI_DATADGST_EN (1 << ISCSI_PARAM_DATADGST_EN) +#define ISCSI_INITIAL_R2T_EN (1 << ISCSI_PARAM_INITIAL_R2T_EN) +#define ISCSI_MAX_R2T (1 << ISCSI_PARAM_MAX_R2T) +#define ISCSI_IMM_DATA_EN (1 << ISCSI_PARAM_IMM_DATA_EN) +#define ISCSI_FIRST_BURST (1 << ISCSI_PARAM_FIRST_BURST) +#define ISCSI_MAX_BURST (1 << ISCSI_PARAM_MAX_BURST) +#define ISCSI_PDU_INORDER_EN (1 << ISCSI_PARAM_PDU_INORDER_EN) +#define ISCSI_DATASEQ_INORDER_EN (1 << ISCSI_PARAM_DATASEQ_INORDER_EN) +#define ISCSI_ERL (1 << ISCSI_PARAM_ERL) +#define ISCSI_IFMARKER_EN (1 << ISCSI_PARAM_IFMARKER_EN) +#define ISCSI_OFMARKER_EN (1 << ISCSI_PARAM_OFMARKER_EN) +#define ISCSI_TARGET_NAME (1 << ISCSI_PARAM_TARGET_NAME) +#define ISCSI_TPGT (1 << ISCSI_PARAM_TPGT) +#define ISCSI_PERSISTENT_ADDRESS (1 << ISCSI_PARAM_PERSISTENT_ADDRESS) +#define ISCSI_PERSISTENT_PORT (1 << ISCSI_PARAM_PERSISTENT_PORT) +#define ISCSI_CONN_PORT (1 << ISCSI_PARAM_CONN_PORT) +#define ISCSI_CONN_ADDRESS (1 << ISCSI_PARAM_CONN_ADDRESS) #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle) #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr) diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 631463cd4892..4b200645c84b 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -53,11 +53,11 @@ struct iscsi_transport { struct module *owner; char *name; unsigned int caps; + /* LLD sets this to indicate what values it can export to sysfs */ + unsigned int param_mask; struct scsi_host_template *host_template; /* LLD session/scsi_host data size */ int hostdata_size; - /* LLD iscsi_host data size */ - int ihostdata_size; /* LLD connection data size */ int conndata_size; /* LLD session data size */ @@ -79,10 +79,13 @@ struct iscsi_transport { int (*set_param) (struct iscsi_cls_conn *conn, enum iscsi_param param, uint32_t value); int (*get_conn_param) (struct iscsi_cls_conn *conn, - enum iscsi_param param, - uint32_t *value); + enum iscsi_param param, uint32_t *value); int (*get_session_param) (struct iscsi_cls_session *session, enum iscsi_param param, uint32_t *value); + int (*get_conn_str_param) (struct iscsi_cls_conn *conn, + enum iscsi_param param, char *buf); + int (*get_session_str_param) (struct iscsi_cls_session *session, + enum iscsi_param param, char *buf); int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); void (*get_stats) (struct iscsi_cls_conn *conn, @@ -107,6 +110,14 @@ struct iscsi_cls_conn { void *dd_data; /* LLD private data */ struct iscsi_transport *transport; uint32_t cid; /* connection id */ + + /* portal/group values we got during discovery */ + char *persistent_address; + int persistent_port; + /* portal/group values we are currently using */ + char *address; + int port; + int active; /* must be accessed with the connlock */ struct device dev; /* sysfs transport/container device */ struct mempool_zone *z_error; @@ -120,6 +131,11 @@ struct iscsi_cls_conn { struct iscsi_cls_session { struct list_head sess_list; /* item in session_list */ struct iscsi_transport *transport; + + /* iSCSI values used as unique id by userspace. */ + char *targetname; + int tpgt; + int sid; /* session id */ void *dd_data; /* LLD private data */ struct device dev; /* sysfs transport/container device */ |