diff options
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/iscsi_if.h | 230 | ||||
| -rw-r--r-- | include/scsi/libiscsi.h | 1 | ||||
| -rw-r--r-- | include/scsi/osd_ore.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_cmnd.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_driver.h | 2 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 10 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 4 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_srp.h | 36 |
8 files changed, 259 insertions, 26 deletions
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 5d6ed6cf12cc..fd0421c6d40a 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -70,6 +70,7 @@ enum iscsi_uevent_e { ISCSI_UEVENT_LOGOUT_FLASHNODE = UEVENT_BASE + 29, ISCSI_UEVENT_LOGOUT_FLASHNODE_SID = UEVENT_BASE + 30, ISCSI_UEVENT_SET_CHAP = UEVENT_BASE + 31, + ISCSI_UEVENT_GET_HOST_STATS = UEVENT_BASE + 32, /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, @@ -242,6 +243,9 @@ struct iscsi_uevent { uint32_t host_no; uint32_t sid; } logout_flashnode_sid; + struct msg_get_host_stats { + uint32_t host_no; + } get_host_stats; } u; union { /* messages k -> u */ @@ -311,6 +315,7 @@ enum iscsi_param_type { ISCSI_NET_PARAM, /* iscsi_net_param */ ISCSI_FLASHNODE_PARAM, /* iscsi_flashnode_param */ ISCSI_CHAP_PARAM, /* iscsi_chap_param */ + ISCSI_IFACE_PARAM, /* iscsi_iface_param */ }; /* structure for minimalist usecase */ @@ -383,28 +388,106 @@ struct iscsi_path { #define ISCSI_VLAN_DISABLE 0x01 #define ISCSI_VLAN_ENABLE 0x02 +/* iscsi generic enable/disabled setting for various features */ +#define ISCSI_NET_PARAM_DISABLE 0x01 +#define ISCSI_NET_PARAM_ENABLE 0x02 + /* iSCSI network params */ enum iscsi_net_param { ISCSI_NET_PARAM_IPV4_ADDR = 1, - ISCSI_NET_PARAM_IPV4_SUBNET = 2, - ISCSI_NET_PARAM_IPV4_GW = 3, - ISCSI_NET_PARAM_IPV4_BOOTPROTO = 4, - ISCSI_NET_PARAM_MAC = 5, - ISCSI_NET_PARAM_IPV6_LINKLOCAL = 6, - ISCSI_NET_PARAM_IPV6_ADDR = 7, - ISCSI_NET_PARAM_IPV6_ROUTER = 8, - ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG = 9, - ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG = 10, - ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG = 11, - ISCSI_NET_PARAM_IFACE_ENABLE = 12, - ISCSI_NET_PARAM_VLAN_ID = 13, - ISCSI_NET_PARAM_VLAN_PRIORITY = 14, - ISCSI_NET_PARAM_VLAN_ENABLED = 15, - ISCSI_NET_PARAM_VLAN_TAG = 16, - ISCSI_NET_PARAM_IFACE_TYPE = 17, - ISCSI_NET_PARAM_IFACE_NAME = 18, - ISCSI_NET_PARAM_MTU = 19, - ISCSI_NET_PARAM_PORT = 20, + ISCSI_NET_PARAM_IPV4_SUBNET, + ISCSI_NET_PARAM_IPV4_GW, + ISCSI_NET_PARAM_IPV4_BOOTPROTO, + ISCSI_NET_PARAM_MAC, + ISCSI_NET_PARAM_IPV6_LINKLOCAL, + ISCSI_NET_PARAM_IPV6_ADDR, + ISCSI_NET_PARAM_IPV6_ROUTER, + ISCSI_NET_PARAM_IPV6_ADDR_AUTOCFG, + ISCSI_NET_PARAM_IPV6_LINKLOCAL_AUTOCFG, + ISCSI_NET_PARAM_IPV6_ROUTER_AUTOCFG, + ISCSI_NET_PARAM_IFACE_ENABLE, + ISCSI_NET_PARAM_VLAN_ID, + ISCSI_NET_PARAM_VLAN_PRIORITY, + ISCSI_NET_PARAM_VLAN_ENABLED, + ISCSI_NET_PARAM_VLAN_TAG, + ISCSI_NET_PARAM_IFACE_TYPE, + ISCSI_NET_PARAM_IFACE_NAME, + ISCSI_NET_PARAM_MTU, + ISCSI_NET_PARAM_PORT, + ISCSI_NET_PARAM_IPADDR_STATE, + ISCSI_NET_PARAM_IPV6_LINKLOCAL_STATE, + ISCSI_NET_PARAM_IPV6_ROUTER_STATE, + ISCSI_NET_PARAM_DELAYED_ACK_EN, + ISCSI_NET_PARAM_TCP_NAGLE_DISABLE, + ISCSI_NET_PARAM_TCP_WSF_DISABLE, + ISCSI_NET_PARAM_TCP_WSF, + ISCSI_NET_PARAM_TCP_TIMER_SCALE, + ISCSI_NET_PARAM_TCP_TIMESTAMP_EN, + ISCSI_NET_PARAM_CACHE_ID, + ISCSI_NET_PARAM_IPV4_DHCP_DNS_ADDR_EN, + ISCSI_NET_PARAM_IPV4_DHCP_SLP_DA_EN, + ISCSI_NET_PARAM_IPV4_TOS_EN, + ISCSI_NET_PARAM_IPV4_TOS, + ISCSI_NET_PARAM_IPV4_GRAT_ARP_EN, + ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID_EN, + ISCSI_NET_PARAM_IPV4_DHCP_ALT_CLIENT_ID, + ISCSI_NET_PARAM_IPV4_DHCP_REQ_VENDOR_ID_EN, + ISCSI_NET_PARAM_IPV4_DHCP_USE_VENDOR_ID_EN, + ISCSI_NET_PARAM_IPV4_DHCP_VENDOR_ID, + ISCSI_NET_PARAM_IPV4_DHCP_LEARN_IQN_EN, + ISCSI_NET_PARAM_IPV4_FRAGMENT_DISABLE, + ISCSI_NET_PARAM_IPV4_IN_FORWARD_EN, + ISCSI_NET_PARAM_IPV4_TTL, + ISCSI_NET_PARAM_IPV6_GRAT_NEIGHBOR_ADV_EN, + ISCSI_NET_PARAM_IPV6_MLD_EN, + ISCSI_NET_PARAM_IPV6_FLOW_LABEL, + ISCSI_NET_PARAM_IPV6_TRAFFIC_CLASS, + ISCSI_NET_PARAM_IPV6_HOP_LIMIT, + ISCSI_NET_PARAM_IPV6_ND_REACHABLE_TMO, + ISCSI_NET_PARAM_IPV6_ND_REXMIT_TIME, + ISCSI_NET_PARAM_IPV6_ND_STALE_TMO, + ISCSI_NET_PARAM_IPV6_DUP_ADDR_DETECT_CNT, + ISCSI_NET_PARAM_IPV6_RTR_ADV_LINK_MTU, + ISCSI_NET_PARAM_REDIRECT_EN, +}; + +enum iscsi_ipaddress_state { + ISCSI_IPDDRESS_STATE_UNCONFIGURED, + ISCSI_IPDDRESS_STATE_ACQUIRING, + ISCSI_IPDDRESS_STATE_TENTATIVE, + ISCSI_IPDDRESS_STATE_VALID, + ISCSI_IPDDRESS_STATE_DISABLING, + ISCSI_IPDDRESS_STATE_INVALID, + ISCSI_IPDDRESS_STATE_DEPRECATED, +}; + +enum iscsi_router_state { + ISCSI_ROUTER_STATE_UNKNOWN, + ISCSI_ROUTER_STATE_ADVERTISED, + ISCSI_ROUTER_STATE_MANUAL, + ISCSI_ROUTER_STATE_STALE, +}; + +/* iSCSI specific settings params for iface */ +enum iscsi_iface_param { + ISCSI_IFACE_PARAM_DEF_TASKMGMT_TMO, + ISCSI_IFACE_PARAM_HDRDGST_EN, + ISCSI_IFACE_PARAM_DATADGST_EN, + ISCSI_IFACE_PARAM_IMM_DATA_EN, + ISCSI_IFACE_PARAM_INITIAL_R2T_EN, + ISCSI_IFACE_PARAM_DATASEQ_INORDER_EN, + ISCSI_IFACE_PARAM_PDU_INORDER_EN, + ISCSI_IFACE_PARAM_ERL, + ISCSI_IFACE_PARAM_MAX_RECV_DLENGTH, + ISCSI_IFACE_PARAM_FIRST_BURST, + ISCSI_IFACE_PARAM_MAX_R2T, + ISCSI_IFACE_PARAM_MAX_BURST, + ISCSI_IFACE_PARAM_CHAP_AUTH_EN, + ISCSI_IFACE_PARAM_BIDI_CHAP_EN, + ISCSI_IFACE_PARAM_DISCOVERY_AUTH_OPTIONAL, + ISCSI_IFACE_PARAM_DISCOVERY_LOGOUT_EN, + ISCSI_IFACE_PARAM_STRICT_LOGIN_COMP_EN, + ISCSI_IFACE_PARAM_INITIATOR_NAME, }; enum iscsi_conn_state { @@ -535,6 +618,7 @@ enum iscsi_param { ISCSI_PARAM_DISCOVERY_PARENT_IDX, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, + ISCSI_PARAM_LOCAL_IPADDR, /* must always be last */ ISCSI_PARAM_MAX, }; @@ -766,4 +850,112 @@ struct iscsi_chap_rec { uint8_t password_length; }; +#define ISCSI_HOST_STATS_CUSTOM_MAX 32 +#define ISCSI_HOST_STATS_CUSTOM_DESC_MAX 64 +struct iscsi_host_stats_custom { + char desc[ISCSI_HOST_STATS_CUSTOM_DESC_MAX]; + uint64_t value; +}; + +/* struct iscsi_offload_host_stats: Host statistics, + * Include statistics for MAC, IP, TCP & iSCSI. + */ +struct iscsi_offload_host_stats { + /* MAC */ + uint64_t mactx_frames; + uint64_t mactx_bytes; + uint64_t mactx_multicast_frames; + uint64_t mactx_broadcast_frames; + uint64_t mactx_pause_frames; + uint64_t mactx_control_frames; + uint64_t mactx_deferral; + uint64_t mactx_excess_deferral; + uint64_t mactx_late_collision; + uint64_t mactx_abort; + uint64_t mactx_single_collision; + uint64_t mactx_multiple_collision; + uint64_t mactx_collision; + uint64_t mactx_frames_dropped; + uint64_t mactx_jumbo_frames; + uint64_t macrx_frames; + uint64_t macrx_bytes; + uint64_t macrx_unknown_control_frames; + uint64_t macrx_pause_frames; + uint64_t macrx_control_frames; + uint64_t macrx_dribble; + uint64_t macrx_frame_length_error; + uint64_t macrx_jabber; + uint64_t macrx_carrier_sense_error; + uint64_t macrx_frame_discarded; + uint64_t macrx_frames_dropped; + uint64_t mac_crc_error; + uint64_t mac_encoding_error; + uint64_t macrx_length_error_large; + uint64_t macrx_length_error_small; + uint64_t macrx_multicast_frames; + uint64_t macrx_broadcast_frames; + /* IP */ + uint64_t iptx_packets; + uint64_t iptx_bytes; + uint64_t iptx_fragments; + uint64_t iprx_packets; + uint64_t iprx_bytes; + uint64_t iprx_fragments; + uint64_t ip_datagram_reassembly; + uint64_t ip_invalid_address_error; + uint64_t ip_error_packets; + uint64_t ip_fragrx_overlap; + uint64_t ip_fragrx_outoforder; + uint64_t ip_datagram_reassembly_timeout; + uint64_t ipv6tx_packets; + uint64_t ipv6tx_bytes; + uint64_t ipv6tx_fragments; + uint64_t ipv6rx_packets; + uint64_t ipv6rx_bytes; + uint64_t ipv6rx_fragments; + uint64_t ipv6_datagram_reassembly; + uint64_t ipv6_invalid_address_error; + uint64_t ipv6_error_packets; + uint64_t ipv6_fragrx_overlap; + uint64_t ipv6_fragrx_outoforder; + uint64_t ipv6_datagram_reassembly_timeout; + /* TCP */ + uint64_t tcptx_segments; + uint64_t tcptx_bytes; + uint64_t tcprx_segments; + uint64_t tcprx_byte; + uint64_t tcp_duplicate_ack_retx; + uint64_t tcp_retx_timer_expired; + uint64_t tcprx_duplicate_ack; + uint64_t tcprx_pure_ackr; + uint64_t tcptx_delayed_ack; + uint64_t tcptx_pure_ack; + uint64_t tcprx_segment_error; + uint64_t tcprx_segment_outoforder; + uint64_t tcprx_window_probe; + uint64_t tcprx_window_update; + uint64_t tcptx_window_probe_persist; + /* ECC */ + uint64_t ecc_error_correction; + /* iSCSI */ + uint64_t iscsi_pdu_tx; + uint64_t iscsi_data_bytes_tx; + uint64_t iscsi_pdu_rx; + uint64_t iscsi_data_bytes_rx; + uint64_t iscsi_io_completed; + uint64_t iscsi_unexpected_io_rx; + uint64_t iscsi_format_error; + uint64_t iscsi_hdr_digest_error; + uint64_t iscsi_data_digest_error; + uint64_t iscsi_sequence_error; + /* + * iSCSI Custom Host Statistics support, i.e. Transport could + * extend existing host statistics with its own specific statistics + * up to ISCSI_HOST_STATS_CUSTOM_MAX + */ + uint32_t custom_length; + struct iscsi_host_stats_custom custom[0] + __aligned(sizeof(uint64_t)); +}; + #endif diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 6ac9e17acdc4..309f51336fb9 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -231,6 +231,7 @@ struct iscsi_conn { uint8_t ipv6_traffic_class; uint8_t ipv6_flow_label; uint8_t is_fw_assigned_ipv6; + char *local_ipaddr; /* MIB-statistics */ uint64_t txdata_octets; diff --git a/include/scsi/osd_ore.h b/include/scsi/osd_ore.h index a5f9b960dfc8..6ca3265a4dca 100644 --- a/include/scsi/osd_ore.h +++ b/include/scsi/osd_ore.h @@ -102,6 +102,7 @@ struct ore_striping_info { unsigned unit_off; unsigned cur_pg; unsigned cur_comp; + unsigned maxdevUnits; }; struct ore_io_state; diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index de5f5d8f1f8a..91558a1f97f4 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -55,6 +55,7 @@ struct scsi_cmnd { struct scsi_device *device; struct list_head list; /* scsi_cmnd participates in queue lists */ struct list_head eh_entry; /* entry for the host eh_cmd_q */ + struct delayed_work abort_work; int eh_eflags; /* Used by error handlr */ /* diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h index d443aa06a722..20fdfc2526ad 100644 --- a/include/scsi/scsi_driver.h +++ b/include/scsi/scsi_driver.h @@ -16,7 +16,7 @@ struct scsi_driver { void (*rescan)(struct device *); int (*done)(struct scsi_cmnd *); - int (*eh_action)(struct scsi_cmnd *, unsigned char *, int, int); + int (*eh_action)(struct scsi_cmnd *, int); }; #define to_scsi_driver(drv) \ container_of((drv), struct scsi_driver, gendrv) diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index fe3b58e836c8..53075e5039e6 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -479,6 +479,11 @@ struct scsi_host_template { unsigned no_write_same:1; /* + * True if asynchronous aborts are not supported + */ + unsigned no_async_abort:1; + + /* * Countdown for host blocking with no commands outstanding. */ unsigned int max_host_blocked; @@ -690,6 +695,11 @@ struct Scsi_Host { struct workqueue_struct *work_q; /* + * Task management function work queue + */ + struct workqueue_struct *tmf_work_q; + + /* * Host has rejected a command because it was busy. */ unsigned int host_blocked; diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index fe7c8f3e93f8..88640a47216c 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -166,6 +166,7 @@ struct iscsi_transport { int (*logout_flashnode) (struct iscsi_bus_flash_session *fnode_sess, struct iscsi_bus_flash_conn *fnode_conn); int (*logout_flashnode_sid) (struct iscsi_cls_session *cls_sess); + int (*get_host_stats) (struct Scsi_Host *shost, char *buf, int len); }; /* @@ -478,4 +479,7 @@ iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data, extern struct device * iscsi_find_flashnode_conn(struct iscsi_bus_flash_session *fnode_sess); +extern char * +iscsi_get_ipaddress_state_name(enum iscsi_ipaddress_state port_state); +extern char *iscsi_get_router_state_name(enum iscsi_router_state router_state); #endif diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h index 4ebf6913b7b2..b11da5c1331e 100644 --- a/include/scsi/scsi_transport_srp.h +++ b/include/scsi/scsi_transport_srp.h @@ -19,7 +19,7 @@ struct srp_rport_identifiers { * @SRP_RPORT_BLOCKED: Transport layer not operational; fast I/O fail timer * is running and I/O has been blocked. * @SRP_RPORT_FAIL_FAST: Fast I/O fail timer has expired; fail I/O fast. - * @SRP_RPORT_LOST: Device loss timer has expired; port is being removed. + * @SRP_RPORT_LOST: Port is being removed. */ enum srp_rport_state { SRP_RPORT_RUNNING, @@ -29,10 +29,26 @@ enum srp_rport_state { }; /** - * struct srp_rport - * @lld_data: LLD private data. - * @mutex: Protects against concurrent rport reconnect / fast_io_fail / - * dev_loss_tmo activity. + * struct srp_rport - SRP initiator or target port + * + * Fields that are relevant for SRP initiator and SRP target drivers: + * @dev: Device associated with this rport. + * @port_id: 16-byte port identifier. + * @roles: Role of this port - initiator or target. + * + * Fields that are only relevant for SRP initiator drivers: + * @lld_data: LLD private data. + * @mutex: Protects against concurrent rport reconnect / + * fast_io_fail / dev_loss_tmo activity. + * @state: rport state. + * @deleted: Whether or not srp_rport_del() has already been invoked. + * @reconnect_delay: Reconnect delay in seconds. + * @failed_reconnects: Number of failed reconnect attempts. + * @reconnect_work: Work structure used for scheduling reconnect attempts. + * @fast_io_fail_tmo: Fast I/O fail timeout in seconds. + * @dev_loss_tmo: Device loss timeout in seconds. + * @fast_io_fail_work: Work structure used for scheduling fast I/O fail work. + * @dev_loss_work: Work structure used for scheduling device loss work. */ struct srp_rport { /* for initiator and target drivers */ @@ -48,7 +64,6 @@ struct srp_rport { struct mutex mutex; enum srp_rport_state state; - bool deleted; int reconnect_delay; int failed_reconnects; struct delayed_work reconnect_work; @@ -60,6 +75,8 @@ struct srp_rport { /** * struct srp_function_template + * + * Fields that are only relevant for SRP initiator drivers: * @has_rport_state: Whether or not to create the state, fast_io_fail_tmo and * dev_loss_tmo sysfs attribute for an rport. * @reset_timer_if_blocked: Whether or srp_timed_out() should reset the command @@ -71,6 +88,11 @@ struct srp_rport { * srp_reconnect_rport(). * @terminate_rport_io: Callback function for terminating all outstanding I/O * requests for an rport. + * @rport_delete: Callback function that deletes an rport. + * + * Fields that are only relevant for SRP target drivers: + * @tsk_mgmt_response: Callback function for sending a task management response. + * @it_nexus_response: Callback function for processing an IT nexus response. */ struct srp_function_template { /* for initiator drivers */ @@ -101,9 +123,11 @@ extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, extern int srp_reconnect_rport(struct srp_rport *rport); extern void srp_start_tl_fail_timers(struct srp_rport *rport); extern void srp_remove_host(struct Scsi_Host *); +extern void srp_stop_rport_timers(struct srp_rport *rport); /** * srp_chkready() - evaluate the transport layer state before I/O + * @rport: SRP target port pointer. * * Returns a SCSI result code that can be returned by the LLD queuecommand() * implementation. The role of this function is similar to that of |