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-rw-r--r--include/scsi/Kbuild1
-rw-r--r--include/scsi/fc/fc_fc2.h2
-rw-r--r--include/scsi/iscsi_if.h401
-rw-r--r--include/scsi/libfc.h12
-rw-r--r--include/scsi/libfcoe.h7
-rw-r--r--include/scsi/libiscsi.h58
-rw-r--r--include/scsi/libiscsi_tcp.h2
-rw-r--r--include/scsi/libsas.h7
-rw-r--r--include/scsi/osd_ore.h1
-rw-r--r--include/scsi/osd_protocol.h12
-rw-r--r--include/scsi/sas.h22
-rw-r--r--include/scsi/sas_ata.h4
-rw-r--r--include/scsi/scsi.h10
-rw-r--r--include/scsi/scsi_cmnd.h33
-rw-r--r--include/scsi/scsi_device.h55
-rw-r--r--include/scsi/scsi_devinfo.h1
-rw-r--r--include/scsi/scsi_driver.h11
-rw-r--r--include/scsi/scsi_host.h34
-rw-r--r--include/scsi/scsi_transport_fc.h1
-rw-r--r--include/scsi/scsi_transport_iscsi.h153
-rw-r--r--include/scsi/scsi_transport_sas.h7
-rw-r--r--include/scsi/scsi_transport_srp.h106
22 files changed, 857 insertions, 83 deletions
diff --git a/include/scsi/Kbuild b/include/scsi/Kbuild
deleted file mode 100644
index 562ff9d591b..00000000000
--- a/include/scsi/Kbuild
+++ /dev/null
@@ -1 +0,0 @@
-header-y += fc/
diff --git a/include/scsi/fc/fc_fc2.h b/include/scsi/fc/fc_fc2.h
index f87777d0d5b..0b267143130 100644
--- a/include/scsi/fc/fc_fc2.h
+++ b/include/scsi/fc/fc_fc2.h
@@ -104,7 +104,7 @@ struct fc_esb {
* esb_e_stat - flags from FC-FS-2 T11/1619-D Rev 0.90.
*/
#define ESB_ST_RESP (1 << 31) /* responder to exchange */
-#define ESB_ST_SEQ_INIT (1 << 30) /* port holds sequence initiaive */
+#define ESB_ST_SEQ_INIT (1 << 30) /* port holds sequence initiative */
#define ESB_ST_COMPLETE (1 << 29) /* exchange is complete */
#define ESB_ST_ABNORMAL (1 << 28) /* abnormal ending condition */
#define ESB_ST_REC_QUAL (1 << 26) /* recovery qualifier active */
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 917741bb8e1..fd0421c6d40 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -63,6 +63,14 @@ enum iscsi_uevent_e {
ISCSI_UEVENT_PING = UEVENT_BASE + 22,
ISCSI_UEVENT_GET_CHAP = UEVENT_BASE + 23,
ISCSI_UEVENT_DELETE_CHAP = UEVENT_BASE + 24,
+ ISCSI_UEVENT_SET_FLASHNODE_PARAMS = UEVENT_BASE + 25,
+ ISCSI_UEVENT_NEW_FLASHNODE = UEVENT_BASE + 26,
+ ISCSI_UEVENT_DEL_FLASHNODE = UEVENT_BASE + 27,
+ ISCSI_UEVENT_LOGIN_FLASHNODE = UEVENT_BASE + 28,
+ 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,
@@ -210,6 +218,34 @@ struct iscsi_uevent {
uint32_t host_no;
uint16_t chap_tbl_idx;
} delete_chap;
+ struct msg_set_flashnode_param {
+ uint32_t host_no;
+ uint32_t flashnode_idx;
+ uint32_t count;
+ } set_flashnode;
+ struct msg_new_flashnode {
+ uint32_t host_no;
+ uint32_t len;
+ } new_flashnode;
+ struct msg_del_flashnode {
+ uint32_t host_no;
+ uint32_t flashnode_idx;
+ } del_flashnode;
+ struct msg_login_flashnode {
+ uint32_t host_no;
+ uint32_t flashnode_idx;
+ } login_flashnode;
+ struct msg_logout_flashnode {
+ uint32_t host_no;
+ uint32_t flashnode_idx;
+ } logout_flashnode;
+ struct msg_logout_flashnode_sid {
+ 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 */
@@ -267,6 +303,9 @@ struct iscsi_uevent {
with each ping request */
uint32_t data_size;
} ping_comp;
+ struct msg_new_flashnode_ret {
+ uint32_t flashnode_idx;
+ } new_flashnode_ret;
} r;
} __attribute__ ((aligned (sizeof(uint64_t))));
@@ -274,8 +313,18 @@ enum iscsi_param_type {
ISCSI_PARAM, /* iscsi_param (session, conn, target, LU) */
ISCSI_HOST_PARAM, /* iscsi_host_param */
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 */
+struct iscsi_param_info {
+ uint32_t len; /* Actual length of the param value */
+ uint16_t param; /* iscsi param */
+ uint8_t value[0]; /* length sized value follows */
+} __packed;
+
struct iscsi_iface_param_info {
uint32_t iface_num; /* iface number, 0 - n */
uint32_t len; /* Actual length of the param */
@@ -339,28 +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 {
@@ -454,6 +581,44 @@ enum iscsi_param {
ISCSI_PARAM_CHAP_IN_IDX,
ISCSI_PARAM_CHAP_OUT_IDX,
+
+ ISCSI_PARAM_BOOT_ROOT,
+ ISCSI_PARAM_BOOT_NIC,
+ ISCSI_PARAM_BOOT_TARGET,
+
+ ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
+ ISCSI_PARAM_DISCOVERY_SESS,
+ ISCSI_PARAM_PORTAL_TYPE,
+ ISCSI_PARAM_CHAP_AUTH_EN,
+ ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
+ ISCSI_PARAM_BIDI_CHAP_EN,
+ ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
+
+ ISCSI_PARAM_DEF_TIME2WAIT,
+ ISCSI_PARAM_DEF_TIME2RETAIN,
+ ISCSI_PARAM_MAX_SEGMENT_SIZE,
+ ISCSI_PARAM_STATSN,
+ ISCSI_PARAM_KEEPALIVE_TMO,
+ ISCSI_PARAM_LOCAL_PORT,
+ ISCSI_PARAM_TSID,
+ ISCSI_PARAM_DEF_TASKMGMT_TMO,
+
+ ISCSI_PARAM_TCP_TIMESTAMP_STAT,
+ ISCSI_PARAM_TCP_WSF_DISABLE,
+ ISCSI_PARAM_TCP_NAGLE_DISABLE,
+ ISCSI_PARAM_TCP_TIMER_SCALE,
+ ISCSI_PARAM_TCP_TIMESTAMP_EN,
+ ISCSI_PARAM_TCP_XMIT_WSF,
+ ISCSI_PARAM_TCP_RECV_WSF,
+ ISCSI_PARAM_IP_FRAGMENT_DISABLE,
+ ISCSI_PARAM_IPV4_TOS,
+ ISCSI_PARAM_IPV6_TC,
+ ISCSI_PARAM_IPV6_FLOW_LABEL,
+ ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
+
+ ISCSI_PARAM_DISCOVERY_PARENT_IDX,
+ ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
+ ISCSI_PARAM_LOCAL_IPADDR,
/* must always be last */
ISCSI_PARAM_MAX,
};
@@ -469,6 +634,88 @@ enum iscsi_host_param {
ISCSI_HOST_PARAM_MAX,
};
+/* portal type */
+#define PORTAL_TYPE_IPV4 "ipv4"
+#define PORTAL_TYPE_IPV6 "ipv6"
+
+/* iSCSI Flash Target params */
+enum iscsi_flashnode_param {
+ ISCSI_FLASHNODE_IS_FW_ASSIGNED_IPV6,
+ ISCSI_FLASHNODE_PORTAL_TYPE,
+ ISCSI_FLASHNODE_AUTO_SND_TGT_DISABLE,
+ ISCSI_FLASHNODE_DISCOVERY_SESS,
+ ISCSI_FLASHNODE_ENTRY_EN,
+ ISCSI_FLASHNODE_HDR_DGST_EN,
+ ISCSI_FLASHNODE_DATA_DGST_EN,
+ ISCSI_FLASHNODE_IMM_DATA_EN,
+ ISCSI_FLASHNODE_INITIAL_R2T_EN,
+ ISCSI_FLASHNODE_DATASEQ_INORDER,
+ ISCSI_FLASHNODE_PDU_INORDER,
+ ISCSI_FLASHNODE_CHAP_AUTH_EN,
+ ISCSI_FLASHNODE_SNACK_REQ_EN,
+ ISCSI_FLASHNODE_DISCOVERY_LOGOUT_EN,
+ ISCSI_FLASHNODE_BIDI_CHAP_EN,
+ /* make authentication for discovery sessions optional */
+ ISCSI_FLASHNODE_DISCOVERY_AUTH_OPTIONAL,
+ ISCSI_FLASHNODE_ERL,
+ ISCSI_FLASHNODE_TCP_TIMESTAMP_STAT,
+ ISCSI_FLASHNODE_TCP_NAGLE_DISABLE,
+ ISCSI_FLASHNODE_TCP_WSF_DISABLE,
+ ISCSI_FLASHNODE_TCP_TIMER_SCALE,
+ ISCSI_FLASHNODE_TCP_TIMESTAMP_EN,
+ ISCSI_FLASHNODE_IP_FRAG_DISABLE,
+ ISCSI_FLASHNODE_MAX_RECV_DLENGTH,
+ ISCSI_FLASHNODE_MAX_XMIT_DLENGTH,
+ ISCSI_FLASHNODE_FIRST_BURST,
+ ISCSI_FLASHNODE_DEF_TIME2WAIT,
+ ISCSI_FLASHNODE_DEF_TIME2RETAIN,
+ ISCSI_FLASHNODE_MAX_R2T,
+ ISCSI_FLASHNODE_KEEPALIVE_TMO,
+ ISCSI_FLASHNODE_ISID,
+ ISCSI_FLASHNODE_TSID,
+ ISCSI_FLASHNODE_PORT,
+ ISCSI_FLASHNODE_MAX_BURST,
+ ISCSI_FLASHNODE_DEF_TASKMGMT_TMO,
+ ISCSI_FLASHNODE_IPADDR,
+ ISCSI_FLASHNODE_ALIAS,
+ ISCSI_FLASHNODE_REDIRECT_IPADDR,
+ ISCSI_FLASHNODE_MAX_SEGMENT_SIZE,
+ ISCSI_FLASHNODE_LOCAL_PORT,
+ ISCSI_FLASHNODE_IPV4_TOS,
+ ISCSI_FLASHNODE_IPV6_TC,
+ ISCSI_FLASHNODE_IPV6_FLOW_LABEL,
+ ISCSI_FLASHNODE_NAME,
+ ISCSI_FLASHNODE_TPGT,
+ ISCSI_FLASHNODE_LINK_LOCAL_IPV6,
+ ISCSI_FLASHNODE_DISCOVERY_PARENT_IDX,
+ ISCSI_FLASHNODE_DISCOVERY_PARENT_TYPE,
+ ISCSI_FLASHNODE_TCP_XMIT_WSF,
+ ISCSI_FLASHNODE_TCP_RECV_WSF,
+ ISCSI_FLASHNODE_CHAP_IN_IDX,
+ ISCSI_FLASHNODE_CHAP_OUT_IDX,
+ ISCSI_FLASHNODE_USERNAME,
+ ISCSI_FLASHNODE_USERNAME_IN,
+ ISCSI_FLASHNODE_PASSWORD,
+ ISCSI_FLASHNODE_PASSWORD_IN,
+ ISCSI_FLASHNODE_STATSN,
+ ISCSI_FLASHNODE_EXP_STATSN,
+ ISCSI_FLASHNODE_IS_BOOT_TGT,
+
+ ISCSI_FLASHNODE_MAX,
+};
+
+struct iscsi_flashnode_param_info {
+ uint32_t len; /* Actual length of the param */
+ uint16_t param; /* iscsi param value */
+ uint8_t value[0]; /* length sized value follows */
+} __packed;
+
+enum iscsi_discovery_parent_type {
+ ISCSI_DISC_PARENT_UNKNOWN = 0x1,
+ ISCSI_DISC_PARENT_SENDTGT = 0x2,
+ ISCSI_DISC_PARENT_ISNS = 0x3,
+};
+
/* iSCSI port Speed */
enum iscsi_port_speed {
ISCSI_PORT_SPEED_UNKNOWN = 0x1,
@@ -585,6 +832,14 @@ enum chap_type_e {
CHAP_TYPE_IN,
};
+enum iscsi_chap_param {
+ ISCSI_CHAP_PARAM_INDEX,
+ ISCSI_CHAP_PARAM_CHAP_TYPE,
+ ISCSI_CHAP_PARAM_USERNAME,
+ ISCSI_CHAP_PARAM_PASSWORD,
+ ISCSI_CHAP_PARAM_PASSWORD_LEN
+};
+
#define ISCSI_CHAP_AUTH_NAME_MAX_LEN 256
#define ISCSI_CHAP_AUTH_SECRET_MAX_LEN 256
struct iscsi_chap_rec {
@@ -595,4 +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/libfc.h b/include/scsi/libfc.h
index 399162b50a8..52beadf9a29 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -410,6 +410,12 @@ struct fc_seq {
* @fh_type: The frame type
* @class: The class of service
* @seq: The sequence in use on this exchange
+ * @resp_active: Number of tasks that are concurrently executing @resp().
+ * @resp_task: If @resp_active > 0, either the task executing @resp(), the
+ * task that has been interrupted to execute the soft-IRQ
+ * executing @resp() or NULL if more than one task is executing
+ * @resp concurrently.
+ * @resp_wq: Waitqueue for the tasks waiting on @resp_active.
* @resp: Callback for responses on this exchange
* @destructor: Called when destroying the exchange
* @arg: Passed as a void pointer to the resp() callback
@@ -441,6 +447,9 @@ struct fc_exch {
u32 r_a_tov;
u32 f_ctl;
struct fc_seq seq;
+ int resp_active;
+ struct task_struct *resp_task;
+ wait_queue_head_t resp_wq;
void (*resp)(struct fc_seq *, struct fc_frame *, void *);
void *arg;
void (*destructor)(struct fc_seq *, void *);
@@ -1074,7 +1083,8 @@ void fc_rport_terminate_io(struct fc_rport *);
/*
* DISCOVERY LAYER
*****************************/
-int fc_disc_init(struct fc_lport *);
+void fc_disc_init(struct fc_lport *);
+void fc_disc_config(struct fc_lport *, void *);
static inline struct fc_lport *fc_disc_lport(struct fc_disc *disc)
{
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 4427393115e..de7e3ee60f0 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -90,6 +90,7 @@ enum fip_state {
* @lp: &fc_lport: libfc local port.
* @sel_fcf: currently selected FCF, or NULL.
* @fcfs: list of discovered FCFs.
+ * @cdev: (Optional) pointer to sysfs fcoe_ctlr_device.
* @fcf_count: number of discovered FCF entries.
* @sol_time: time when a multicast solicitation was last sent.
* @sel_time: time after which to select an FCF.
@@ -127,6 +128,7 @@ struct fcoe_ctlr {
struct fc_lport *lp;
struct fcoe_fcf *sel_fcf;
struct list_head fcfs;
+ struct fcoe_ctlr_device *cdev;
u16 fcf_count;
unsigned long sol_time;
unsigned long sel_time;
@@ -168,8 +170,11 @@ static inline void *fcoe_ctlr_priv(const struct fcoe_ctlr *ctlr)
return (void *)(ctlr + 1);
}
+/*
+ * This assumes that the fcoe_ctlr (x) is allocated with the fcoe_ctlr_device.
+ */
#define fcoe_ctlr_to_ctlr_dev(x) \
- (struct fcoe_ctlr_device *)(((struct fcoe_ctlr_device *)(x)) - 1)
+ (x)->cdev
/**
* struct fcoe_fcf - Fibre-Channel Forwarder
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 6e33386a389..728c9ad9feb 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -62,6 +62,8 @@ enum {
TMF_NOT_FOUND,
};
+#define ISID_SIZE 6
+
/* Connection suspend "bit" */
#define ISCSI_SUSPEND_BIT 1
@@ -131,6 +133,10 @@ struct iscsi_task {
unsigned long last_xfer;
unsigned long last_timeout;
bool have_checked_conn;
+
+ /* T10 protection information */
+ bool protected;
+
/* state set/tested under session->lock */
int state;
atomic_t refcount;
@@ -173,6 +179,7 @@ struct iscsi_conn {
/* iSCSI connection-wide sequencing */
uint32_t exp_statsn;
+ uint32_t statsn;
/* control data */
int id; /* CID */
@@ -213,6 +220,23 @@ struct iscsi_conn {
int persistent_port;
char *persistent_address;
+ unsigned max_segment_size;
+ unsigned tcp_xmit_wsf;
+ unsigned tcp_recv_wsf;
+ uint16_t keepalive_tmo;
+ uint16_t local_port;
+ uint8_t tcp_timestamp_stat;
+ uint8_t tcp_nagle_disable;
+ uint8_t tcp_wsf_disable;
+ uint8_t tcp_timer_scale;
+ uint8_t tcp_timestamp_en;
+ uint8_t fragment_disable;
+ uint8_t ipv4_tos;
+ 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;
uint64_t rxdata_octets;
@@ -287,16 +311,39 @@ struct iscsi_session {
char *targetalias;
char *ifacename;
char *initiatorname;
+ char *boot_root;
+ char *boot_nic;
+ char *boot_target;
+ char *portal_type;
+ char *discovery_parent_type;
+ uint16_t discovery_parent_idx;
+ uint16_t def_taskmgmt_tmo;
+ uint16_t tsid;
+ uint8_t auto_snd_tgt_disable;
+ uint8_t discovery_sess;
+ uint8_t chap_auth_en;
+ uint8_t discovery_logout_en;
+ uint8_t bidi_chap_en;
+ uint8_t discovery_auth_optional;
+ uint8_t isid[ISID_SIZE];
+
/* control data */
struct iscsi_transport *tt;
struct Scsi_Host *host;
struct iscsi_conn *leadconn; /* leading connection */
- spinlock_t lock; /* protects session state, *
- * sequence numbers, *
+ /* Between the forward and the backward locks exists a strict locking
+ * hierarchy. The mutual exclusion zone protected by the forward lock
+ * can enclose the mutual exclusion zone protected by the backward lock
+ * but not vice versa.
+ */
+ spinlock_t frwd_lock; /* protects session state, *
+ * cmdsn, queued_cmdsn *
* session resources: *
- * - cmdpool, *
- * - mgmtpool, *
- * - r2tpool */
+ * - cmdpool kfifo_out , *
+ * - mgmtpool, */
+ spinlock_t back_lock; /* protects cmdsn_exp *
+ * cmdsn_max, *
+ * cmdpool kfifo_in */
int state; /* session state */
int age; /* counts session re-opens */
@@ -427,6 +474,7 @@ extern void iscsi_complete_scsi_task(struct iscsi_task *task,
*/
extern void iscsi_pool_free(struct iscsi_pool *);
extern int iscsi_pool_init(struct iscsi_pool *, int, void ***, int);
+extern int iscsi_switch_str_param(char **, char *);
/*
* inline functions to deal with padding.
diff --git a/include/scsi/libiscsi_tcp.h b/include/scsi/libiscsi_tcp.h
index 215469a9b80..2a7aa75dd00 100644
--- a/include/scsi/libiscsi_tcp.h
+++ b/include/scsi/libiscsi_tcp.h
@@ -83,6 +83,8 @@ struct iscsi_tcp_task {
struct iscsi_pool r2tpool;
struct kfifo r2tqueue;
void *dd_data;
+ spinlock_t pool2queue;
+ spinlock_t queue2pool;
};
enum {
diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
index ef937b56f9b..ef7872c20da 100644
--- a/include/scsi/libsas.h
+++ b/include/scsi/libsas.h
@@ -118,7 +118,7 @@ struct ex_phy {
enum ex_phy_state phy_state;
- enum sas_dev_type attached_dev_type;
+ enum sas_device_type attached_dev_type;
enum sas_linkrate linkrate;
u8 attached_sata_host:1;
@@ -172,7 +172,6 @@ struct sata_device {
enum ata_command_set command_set;
struct smp_resp rps_resp; /* report_phy_sata_resp */
u8 port_no; /* port number, if this is a PM (Port) */
- int pm_result;
struct ata_port *ap;
struct ata_host ata_host;
@@ -195,7 +194,7 @@ enum {
struct domain_device {
spinlock_t done_lock;
- enum sas_dev_type dev_type;
+ enum sas_device_type dev_type;
enum sas_linkrate linkrate;
enum sas_linkrate min_linkrate;
@@ -608,7 +607,7 @@ struct sas_ssp_task {
u8 enable_first_burst:1;
enum task_attribute task_attr;
u8 task_prio;
- u8 cdb[16];
+ struct scsi_cmnd *cmd;
};
struct sas_task {
diff --git a/include/scsi/osd_ore.h b/include/scsi/osd_ore.h
index a5f9b960dfc..6ca3265a4dc 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/osd_protocol.h b/include/scsi/osd_protocol.h
index a6026da25f3..a2594afe05c 100644
--- a/include/scsi/osd_protocol.h
+++ b/include/scsi/osd_protocol.h
@@ -107,7 +107,7 @@ enum osd_attributes_mode {
* int exponent: 04;
* }
*/
-typedef __be32 __bitwise osd_cdb_offset;
+typedef __be32 osd_cdb_offset;
enum {
OSD_OFFSET_UNUSED = 0xFFFFFFFF,
@@ -263,16 +263,16 @@ static inline struct osd_cdb_head *osd_cdb_head(struct osd_cdb *ocdb)
* Ex name = FORMAT_OSD we have OSD_ACT_FORMAT_OSD && OSDv1_ACT_FORMAT_OSD
*/
#define OSD_ACT___(Name, Num) \
- OSD_ACT_##Name = __constant_cpu_to_be16(0x8880 + Num), \
- OSDv1_ACT_##Name = __constant_cpu_to_be16(0x8800 + Num),
+ OSD_ACT_##Name = cpu_to_be16(0x8880 + Num), \
+ OSDv1_ACT_##Name = cpu_to_be16(0x8800 + Num),
/* V2 only actions */
#define OSD_ACT_V2(Name, Num) \
- OSD_ACT_##Name = __constant_cpu_to_be16(0x8880 + Num),
+ OSD_ACT_##Name = cpu_to_be16(0x8880 + Num),
#define OSD_ACT_V1_V2(Name, Num1, Num2) \
- OSD_ACT_##Name = __constant_cpu_to_be16(Num2), \
- OSDv1_ACT_##Name = __constant_cpu_to_be16(Num1),
+ OSD_ACT_##Name = cpu_to_be16(Num2), \
+ OSDv1_ACT_##Name = cpu_to_be16(Num1),
enum osd_service_actions {
OSD_ACT_V2(OBJECT_STRUCTURE_CHECK, 0x00)
diff --git a/include/scsi/sas.h b/include/scsi/sas.h
index be3eb0bf1ac..0d2607d1238 100644
--- a/include/scsi/sas.h
+++ b/include/scsi/sas.h
@@ -90,16 +90,18 @@ enum sas_oob_mode {
};
/* See sas_discover.c if you plan on changing these */
-enum sas_dev_type {
- NO_DEVICE = 0, /* protocol */
- SAS_END_DEV = 1, /* protocol */
- EDGE_DEV = 2, /* protocol */
- FANOUT_DEV = 3, /* protocol */
- SAS_HA = 4,
- SATA_DEV = 5,
- SATA_PM = 7,
- SATA_PM_PORT= 8,
- SATA_PENDING = 9,
+enum sas_device_type {
+ /* these are SAS protocol defined (attached device type field) */
+ SAS_PHY_UNUSED = 0,
+ SAS_END_DEVICE = 1,
+ SAS_EDGE_EXPANDER_DEVICE = 2,
+ SAS_FANOUT_EXPANDER_DEVICE = 3,
+ /* these are internal to libsas */
+ SAS_HA = 4,
+ SAS_SATA_DEV = 5,
+ SAS_SATA_PM = 7,
+ SAS_SATA_PM_PORT = 8,
+ SAS_SATA_PENDING = 9,
};
enum sas_protocol {
diff --git a/include/scsi/sas_ata.h b/include/scsi/sas_ata.h
index ff71a565468..00f41aeeecf 100644
--- a/include/scsi/sas_ata.h
+++ b/include/scsi/sas_ata.h
@@ -32,8 +32,8 @@
static inline int dev_is_sata(struct domain_device *dev)
{
- return dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM ||
- dev->dev_type == SATA_PM_PORT || dev->dev_type == SATA_PENDING;
+ return dev->dev_type == SAS_SATA_DEV || dev->dev_type == SAS_SATA_PM ||
+ dev->dev_type == SAS_SATA_PM_PORT || dev->dev_type == SAS_SATA_PENDING;
}
int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy);
diff --git a/include/scsi/scsi.h b/include/scsi/scsi.h
index 66216c1acb4..0a4edfe8af5 100644
--- a/include/scsi/scsi.h
+++ b/include/scsi/scsi.h
@@ -10,9 +10,14 @@
#include <linux/types.h>
#include <linux/scatterlist.h>
+#include <linux/kernel.h>
struct scsi_cmnd;
+enum scsi_timeouts {
+ SCSI_DEFAULT_EH_TIMEOUT = 10 * HZ,
+};
+
/*
* The maximum number of SG segments that we will put inside a
* scatterlist (unless chaining is used). Should ideally fit inside a
@@ -139,6 +144,7 @@ struct scsi_cmnd;
#define ACCESS_CONTROL_IN 0x86
#define ACCESS_CONTROL_OUT 0x87
#define READ_16 0x88
+#define COMPARE_AND_WRITE 0x89
#define WRITE_16 0x8a
#define READ_ATTRIBUTE 0x8c
#define WRITE_ATTRIBUTE 0x8d
@@ -149,6 +155,7 @@ struct scsi_cmnd;
/* values for service action in */
#define SAI_READ_CAPACITY_16 0x10
#define SAI_GET_LBA_STATUS 0x12
+#define SAI_REPORT_REFERRALS 0x13
/* values for VARIABLE_LENGTH_CMD service action codes
* see spc4r17 Section D.3.5, table D.7 and D.8 */
#define VLC_SA_RECEIVE_CREDENTIAL 0x1800
@@ -452,6 +459,8 @@ static inline int scsi_is_wlun(unsigned int lun)
* other paths */
#define DID_NEXUS_FAILURE 0x11 /* Permanent nexus failure, retry on other
* paths might yield different results */
+#define DID_ALLOC_FAILURE 0x12 /* Space allocation on the device failed */
+#define DID_MEDIUM_ERROR 0x13 /* Medium error */
#define DRIVER_OK 0x00 /* Driver status */
/*
@@ -481,7 +490,6 @@ static inline int scsi_is_wlun(unsigned int lun)
#define TIMEOUT_ERROR 0x2007
#define SCSI_RETURN_NOT_HANDLED 0x2008
#define FAST_IO_FAIL 0x2009
-#define TARGET_ERROR 0x200A
/*
* Midlevel queue return values.
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index de5f5d8f1f8..e0ae7109814 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -7,6 +7,7 @@
#include <linux/types.h>
#include <linux/timer.h>
#include <linux/scatterlist.h>
+#include <scsi/scsi_device.h>
struct Scsi_Host;
struct scsi_device;
@@ -55,6 +56,7 @@ 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 */
/*
@@ -132,6 +134,15 @@ struct scsi_cmnd {
unsigned char tag; /* SCSI-II queued command tag */
};
+/*
+ * Return the driver private allocation behind the command.
+ * Only works if cmd_size is set in the host template.
+ */
+static inline void *scsi_cmd_priv(struct scsi_cmnd *cmd)
+{
+ return cmd + 1;
+}
+
/* make sure not to use it with REQ_TYPE_BLOCK_PC commands */
static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
{
@@ -141,8 +152,7 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
extern struct scsi_cmnd *__scsi_get_command(struct Scsi_Host *, gfp_t);
extern void scsi_put_command(struct scsi_cmnd *);
-extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *,
- struct device *);
+extern void __scsi_put_command(struct Scsi_Host *, struct scsi_cmnd *);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
extern void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
@@ -155,9 +165,6 @@ extern void scsi_release_buffers(struct scsi_cmnd *cmd);
extern int scsi_dma_map(struct scsi_cmnd *cmd);
extern void scsi_dma_unmap(struct scsi_cmnd *cmd);
-struct scsi_cmnd *scsi_allocate_command(gfp_t gfp_mask);
-void scsi_free_command(gfp_t gfp_mask, struct scsi_cmnd *cmd);
-
static inline unsigned scsi_sg_count(struct scsi_cmnd *cmd)
{
return cmd->sdb.table.nents;
@@ -309,4 +316,20 @@ static inline void set_driver_byte(struct scsi_cmnd *cmd, char status)
cmd->result = (cmd->result & 0x00ffffff) | (status << 24);
}
+static inline unsigned scsi_transfer_length(struct scsi_cmnd *scmd)
+{
+ unsigned int xfer_len = scsi_out(scmd)->length;
+ unsigned int prot_op = scsi_get_prot_op(scmd);
+ unsigned int sector_size = scmd->device->sector_size;
+
+ switch (prot_op) {
+ case SCSI_PROT_NORMAL:
+ case SCSI_PROT_WRITE_STRIP:
+ case SCSI_PROT_READ_INSERT:
+ return xfer_len;
+ }
+
+ return xfer_len + (xfer_len >> ilog2(sector_size)) * 8;
+}
+
#endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index a7f9cba275e..27ab31017f0 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -52,8 +52,15 @@ enum scsi_device_state {
enum scsi_device_event {
SDEV_EVT_MEDIA_CHANGE = 1, /* media has changed */
+ SDEV_EVT_INQUIRY_CHANGE_REPORTED, /* 3F 03 UA reported */
+ SDEV_EVT_CAPACITY_CHANGE_REPORTED, /* 2A 09 UA reported */
+ SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED, /* 38 07 UA reported */
+ SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED, /* 2A 01 UA reported */
+ SDEV_EVT_LUN_CHANGE_REPORTED, /* 3F 0E UA reported */
+
+ SDEV_EVT_FIRST = SDEV_EVT_MEDIA_CHANGE,
+ SDEV_EVT_LAST = SDEV_EVT_LUN_CHANGE_REPORTED,
- SDEV_EVT_LAST = SDEV_EVT_MEDIA_CHANGE,
SDEV_EVT_MAXBITS = SDEV_EVT_LAST + 1
};
@@ -106,6 +113,12 @@ struct scsi_device {
const char * vendor; /* [back_compat] point into 'inquiry' ... */
const char * model; /* ... after scan; point to static string */
const char * rev; /* ... "nullnullnullnull" before scan */
+
+#define SCSI_VPD_PG_LEN 255
+ int vpd_pg83_len;
+ unsigned char *vpd_pg83;
+ int vpd_pg80_len;
+ unsigned char *vpd_pg80;
unsigned char current_tag; /* current tag */
struct scsi_target *sdev_target; /* used only for single_lun */
@@ -113,6 +126,7 @@ struct scsi_device {
* scsi_devinfo.[hc]. For now used only to
* pass settings from slave_alloc to scsi
* core. */
+ unsigned int eh_timeout; /* Error handling timeout */
unsigned writeable:1;
unsigned removable:1;
unsigned changed:1; /* Data invalid due to media change */
@@ -159,10 +173,12 @@ struct scsi_device {
unsigned is_visible:1; /* is the device visible in sysfs */
unsigned wce_default_on:1; /* Cache is ON by default */
unsigned no_dif:1; /* T10 PI (DIF) should be disabled */
+ unsigned broken_fua:1; /* Don't set FUA bit */
atomic_t disk_events_disable_depth; /* disable depth for disk events */
DECLARE_BITMAP(supported_events, SDEV_EVT_MAXBITS); /* supported events */
+ DECLARE_BITMAP(pending_events, SDEV_EVT_MAXBITS); /* pending events */
struct list_head event_list; /* asserted events */
struct work_struct event_work;
@@ -226,12 +242,24 @@ struct scsi_dh_data {
#define sdev_printk(prefix, sdev, fmt, a...) \
dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
+#define sdev_dbg(sdev, fmt, a...) \
+ dev_dbg(&(sdev)->sdev_gendev, fmt, ##a)
+
#define scmd_printk(prefix, scmd, fmt, a...) \
(scmd)->request->rq_disk ? \
sdev_printk(prefix, (scmd)->device, "[%s] " fmt, \
(scmd)->request->rq_disk->disk_name, ##a) : \
sdev_printk(prefix, (scmd)->device, fmt, ##a)
+#define scmd_dbg(scmd, fmt, a...) \
+ do { \
+ if ((scmd)->request->rq_disk) \
+ sdev_dbg((scmd)->device, "[%s] " fmt, \
+ (scmd)->request->rq_disk->disk_name, ##a);\
+ else \
+ sdev_dbg((scmd)->device, fmt, ##a); \
+ } while (0)
+
enum scsi_target_state {
STARGET_CREATED = 1,
STARGET_RUNNING,
@@ -248,7 +276,7 @@ struct scsi_target {
struct list_head siblings;
struct list_head devices;
struct device dev;
- unsigned int reap_ref; /* protected by the host lock */
+ struct kref reap_ref; /* last put renders target invisible */
unsigned int channel;
unsigned int id; /* target id ... replace
* scsi_device.id eventually */
@@ -260,6 +288,9 @@ struct scsi_target {
* means no lun present. */
unsigned int no_report_luns:1; /* Don't use
* REPORT LUNS for scanning. */
+ unsigned int expecting_lun_change:1; /* A device has reported
+ * a 3F/0E UA, other devices on
+ * the same target will also. */
/* commands actually active on LLD. protected by host lock. */
unsigned int target_busy;
/*
@@ -272,7 +303,6 @@ struct scsi_target {
#define SCSI_DEFAULT_TARGET_BLOCKED 3
char scsi_level;
- struct execute_work ew;
enum scsi_target_state state;
void *hostdata; /* available to low-level driver */
unsigned long starget_data[0]; /* for the transport */
@@ -297,6 +327,7 @@ extern int scsi_add_device(struct Scsi_Host *host, uint channel,
extern int scsi_register_device_handler(struct scsi_device_handler *scsi_dh);
extern void scsi_remove_device(struct scsi_device *);
extern int scsi_unregister_device_handler(struct scsi_device_handler *scsi_dh);
+void scsi_attach_vpd(struct scsi_device *sdev);
extern int scsi_device_get(struct scsi_device *);
extern void scsi_device_put(struct scsi_device *);
@@ -393,11 +424,19 @@ extern int scsi_is_target_device(const struct device *);
extern int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
int data_direction, void *buffer, unsigned bufflen,
unsigned char *sense, int timeout, int retries,
- int flag, int *resid);
-extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
- int data_direction, void *buffer, unsigned bufflen,
- struct scsi_sense_hdr *, int timeout, int retries,
- int *resid);
+ u64 flags, int *resid);
+extern int scsi_execute_req_flags(struct scsi_device *sdev,
+ const unsigned char *cmd, int data_direction, void *buffer,
+ unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout,
+ int retries, int *resid, u64 flags);
+static inline int scsi_execute_req(struct scsi_device *sdev,
+ const unsigned char *cmd, int data_direction, void *buffer,
+ unsigned bufflen, struct scsi_sense_hdr *sshdr, int timeout,
+ int retries, int *resid)
+{
+ return scsi_execute_req_flags(sdev, cmd, data_direction, buffer,
+ bufflen, sshdr, timeout, retries, resid, 0);
+}
extern void sdev_disable_disk_events(struct scsi_device *sdev);
extern void sdev_enable_disk_events(struct scsi_device *sdev);
diff --git a/include/scsi/scsi_devinfo.h b/include/scsi/scsi_devinfo.h
index cc1f3e786ad..447d2d7466f 100644
--- a/include/scsi/scsi_devinfo.h
+++ b/include/scsi/scsi_devinfo.h
@@ -31,4 +31,5 @@
#define BLIST_MAX_512 0x800000 /* maximum 512 sector cdb length */
#define BLIST_ATTACH_PQ3 0x1000000 /* Scan: Attach to PQ3 devices */
#define BLIST_NO_DIF 0x2000000 /* Disable T10 PI (DIF) */
+#define BLIST_SKIP_VPD_PAGES 0x4000000 /* Ignore SBC-3 VPD pages */
#endif
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index d443aa06a72..36c4114ed9b 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -4,19 +4,19 @@
#include <linux/device.h>
struct module;
+struct request;
struct scsi_cmnd;
struct scsi_device;
-struct request;
-struct request_queue;
-
struct scsi_driver {
struct module *owner;
struct device_driver gendrv;
void (*rescan)(struct device *);
+ int (*init_command)(struct scsi_cmnd *);
+ void (*uninit_command)(struct scsi_cmnd *);
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)
@@ -31,8 +31,5 @@ extern int scsi_register_interface(struct class_interface *);
int scsi_setup_blk_pc_cmnd(struct scsi_device *sdev, struct request *req);
int scsi_setup_fs_cmnd(struct scsi_device *sdev, struct request *req);
-int scsi_prep_state_check(struct scsi_device *sdev, struct request *req);
-int scsi_prep_return(struct request_queue *q, struct request *req, int ret);
-int scsi_prep_fn(struct request_queue *, struct request *);
#endif /* _SCSI_SCSI_DRIVER_H */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 2b6956e9853..94844fc77b9 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -6,6 +6,7 @@
#include <linux/types.h>
#include <linux/workqueue.h>
#include <linux/mutex.h>
+#include <linux/seq_file.h>
#include <scsi/scsi.h>
struct request_queue;
@@ -14,6 +15,7 @@ struct completion;
struct module;
struct scsi_cmnd;
struct scsi_device;
+struct scsi_host_cmd_pool;
struct scsi_target;
struct Scsi_Host;
struct scsi_host_cmd_pool;
@@ -340,7 +342,8 @@ struct scsi_host_template {
*
* Status: OBSOLETE
*/
- int (*proc_info)(struct Scsi_Host *, char *, char **, off_t, int, int);
+ int (*show_info)(struct seq_file *, struct Scsi_Host *);
+ int (*write_info)(struct Scsi_Host *, char *, int);
/*
* This is an optional routine that allows the transport to become
@@ -375,7 +378,7 @@ struct scsi_host_template {
/*
* Used to store the procfs directory if a driver implements the
- * proc_info method.
+ * show_info method.
*/
struct proc_dir_entry *proc_dir;
@@ -473,6 +476,14 @@ struct scsi_host_template {
*/
unsigned ordered_tag:1;
+ /* True if the controller does not support WRITE SAME */
+ 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.
*/
@@ -514,6 +525,12 @@ struct scsi_host_template {
* scsi_netlink.h
*/
u64 vendor_id;
+
+ /*
+ * Additional per-command data allocated for the driver.
+ */
+ unsigned int cmd_size;
+ struct scsi_host_cmd_pool *cmd_pool;
};
/*
@@ -596,9 +613,12 @@ struct Scsi_Host {
unsigned int host_eh_scheduled; /* EH scheduled without command */
unsigned int host_no; /* Used for IOCTL_GET_IDLUN, /proc/scsi et al. */
- int resetting; /* if set, it means that last_reset is a valid value */
+
+ /* next two fields are used to bound the time spent in error handling */
+ int eh_deadline;
unsigned long last_reset;
+
/*
* These three parameters can be used to allow for wide scsi,
* and for host adapters that support multiple busses
@@ -672,6 +692,9 @@ struct Scsi_Host {
/* Don't resume host in EH */
unsigned eh_noresume:1;
+ /* The controller does not support WRITE SAME */
+ unsigned no_write_same:1;
+
/*
* Optional work queue to be utilized by the transport
*/
@@ -679,6 +702,11 @@ 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_fc.h b/include/scsi/scsi_transport_fc.h
index b797e8fad66..8c79980dc8f 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -130,6 +130,7 @@ enum fc_vport_state {
#define FC_PORTSPEED_4GBIT 8
#define FC_PORTSPEED_8GBIT 0x10
#define FC_PORTSPEED_16GBIT 0x20
+#define FC_PORTSPEED_32GBIT 0x40
#define FC_PORTSPEED_NOT_NEGOTIATED (1 << 15) /* Speed not established */
/*
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 53f0b361d66..2555ee5343f 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -39,6 +39,8 @@ struct iscsi_task;
struct sockaddr;
struct iscsi_iface;
struct bsg_job;
+struct iscsi_bus_flash_session;
+struct iscsi_bus_flash_conn;
/**
* struct iscsi_transport - iSCSI Transport template
@@ -150,6 +152,22 @@ struct iscsi_transport {
int (*get_chap) (struct Scsi_Host *shost, uint16_t chap_tbl_idx,
uint32_t *num_entries, char *buf);
int (*delete_chap) (struct Scsi_Host *shost, uint16_t chap_tbl_idx);
+ int (*set_chap) (struct Scsi_Host *shost, void *data, int len);
+ int (*get_flashnode_param) (struct iscsi_bus_flash_session *fnode_sess,
+ int param, char *buf);
+ int (*set_flashnode_param) (struct iscsi_bus_flash_session *fnode_sess,
+ struct iscsi_bus_flash_conn *fnode_conn,
+ void *data, int len);
+ int (*new_flashnode) (struct Scsi_Host *shost, const char *buf,
+ int len);
+ int (*del_flashnode) (struct iscsi_bus_flash_session *fnode_sess);
+ int (*login_flashnode) (struct iscsi_bus_flash_session *fnode_sess,
+ struct iscsi_bus_flash_conn *fnode_conn);
+ 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);
+ u8 (*check_protection)(struct iscsi_task *task, sector_t *sector);
};
/*
@@ -286,6 +304,112 @@ struct iscsi_iface {
#define iscsi_iface_to_shost(_iface) \
dev_to_shost(_iface->dev.parent)
+
+struct iscsi_bus_flash_conn {
+ struct list_head conn_list; /* item in connlist */
+ void *dd_data; /* LLD private data */
+ struct iscsi_transport *transport;
+ struct device dev; /* sysfs transport/container device */
+ /* iscsi connection parameters */
+ uint32_t exp_statsn;
+ uint32_t statsn;
+ unsigned max_recv_dlength; /* initiator_max_recv_dsl*/
+ unsigned max_xmit_dlength; /* target_max_recv_dsl */
+ unsigned max_segment_size;
+ unsigned tcp_xmit_wsf;
+ unsigned tcp_recv_wsf;
+ int hdrdgst_en;
+ int datadgst_en;
+ int port;
+ char *ipaddress;
+ char *link_local_ipv6_addr;
+ char *redirect_ipaddr;
+ uint16_t keepalive_timeout;
+ uint16_t local_port;
+ uint8_t snack_req_en;
+ /* tcp timestamp negotiation status */
+ uint8_t tcp_timestamp_stat;
+ uint8_t tcp_nagle_disable;
+ /* tcp window scale factor */
+ uint8_t tcp_wsf_disable;
+ uint8_t tcp_timer_scale;
+ uint8_t tcp_timestamp_en;
+ uint8_t ipv4_tos;
+ uint8_t ipv6_traffic_class;
+ uint8_t ipv6_flow_label;
+ uint8_t fragment_disable;
+ /* Link local IPv6 address is assigned by firmware or driver */
+ uint8_t is_fw_assigned_ipv6;
+};
+
+#define iscsi_dev_to_flash_conn(_dev) \
+ container_of(_dev, struct iscsi_bus_flash_conn, dev)
+
+#define iscsi_flash_conn_to_flash_session(_conn) \
+ iscsi_dev_to_flash_session(_conn->dev.parent)
+
+#define ISID_SIZE 6
+
+struct iscsi_bus_flash_session {
+ struct list_head sess_list; /* item in session_list */
+ struct iscsi_transport *transport;
+ unsigned int target_id;
+ int flash_state; /* persistent or non-persistent */
+ void *dd_data; /* LLD private data */
+ struct device dev; /* sysfs transport/container device */
+ /* iscsi session parameters */
+ unsigned first_burst;
+ unsigned max_burst;
+ unsigned short max_r2t;
+ int default_taskmgmt_timeout;
+ int initial_r2t_en;
+ int imm_data_en;
+ int time2wait;
+ int time2retain;
+ int pdu_inorder_en;
+ int dataseq_inorder_en;
+ int erl;
+ int tpgt;
+ char *username;
+ char *username_in;
+ char *password;
+ char *password_in;
+ char *targetname;
+ char *targetalias;
+ char *portal_type;
+ uint16_t tsid;
+ uint16_t chap_in_idx;
+ uint16_t chap_out_idx;
+ /* index of iSCSI discovery session if the entry is
+ * discovered by iSCSI discovery session
+ */
+ uint16_t discovery_parent_idx;
+ /* indicates if discovery was done through iSNS discovery service
+ * or through sendTarget */
+ uint16_t discovery_parent_type;
+ /* Firmware auto sendtarget discovery disable */
+ uint8_t auto_snd_tgt_disable;
+ uint8_t discovery_sess;
+ /* indicates if this flashnode entry is enabled or disabled */
+ uint8_t entry_state;
+ uint8_t chap_auth_en;
+ /* enables firmware to auto logout the discovery session on discovery
+ * completion
+ */
+ uint8_t discovery_logout_en;
+ uint8_t bidi_chap_en;
+ /* makes authentication for discovery session optional */
+ uint8_t discovery_auth_optional;
+ uint8_t isid[ISID_SIZE];
+ uint8_t is_boot_target;
+};
+
+#define iscsi_dev_to_flash_session(_dev) \
+ container_of(_dev, struct iscsi_bus_flash_session, dev)
+
+#define iscsi_flash_session_to_shost(_session) \
+ dev_to_shost(_session->dev.parent)
+
/*
* session and connection functions that can be used by HW iSCSI LLDs
*/
@@ -330,4 +454,33 @@ extern char *iscsi_get_port_speed_name(struct Scsi_Host *shost);
extern char *iscsi_get_port_state_name(struct Scsi_Host *shost);
extern int iscsi_is_session_dev(const struct device *dev);
+extern char *iscsi_get_discovery_parent_name(int parent_type);
+extern struct device *
+iscsi_find_flashnode(struct Scsi_Host *shost, void *data,
+ int (*fn)(struct device *dev, void *data));
+
+extern struct iscsi_bus_flash_session *
+iscsi_create_flashnode_sess(struct Scsi_Host *shost, int index,
+ struct iscsi_transport *transport, int dd_size);
+
+extern struct iscsi_bus_flash_conn *
+iscsi_create_flashnode_conn(struct Scsi_Host *shost,
+ struct iscsi_bus_flash_session *fnode_sess,
+ struct iscsi_transport *transport, int dd_size);
+
+extern void
+iscsi_destroy_flashnode_sess(struct iscsi_bus_flash_session *fnode_sess);
+
+extern void iscsi_destroy_all_flashnode(struct Scsi_Host *shost);
+extern int iscsi_flashnode_bus_match(struct device *dev,
+ struct device_driver *drv);
+extern struct device *
+iscsi_find_flashnode_sess(struct Scsi_Host *shost, void *data,
+ int (*fn)(struct device *dev, 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_sas.h b/include/scsi/scsi_transport_sas.h
index 9b8e08879cf..0bd71e2702e 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -10,13 +10,6 @@ struct scsi_transport_template;
struct sas_rphy;
struct request;
-enum sas_device_type {
- SAS_PHY_UNUSED = 0,
- SAS_END_DEVICE = 1,
- SAS_EDGE_EXPANDER_DEVICE = 2,
- SAS_FANOUT_EXPANDER_DEVICE = 3,
-};
-
static inline int sas_protocol_ata(enum sas_protocol proto)
{
return ((proto & SAS_PROTOCOL_SATA) ||
diff --git a/include/scsi/scsi_transport_srp.h b/include/scsi/scsi_transport_srp.h
index ff0f04ac91a..cdb05dd1d44 100644
--- a/include/scsi/scsi_transport_srp.h
+++ b/include/scsi/scsi_transport_srp.h
@@ -13,6 +13,42 @@ struct srp_rport_identifiers {
u8 roles;
};
+/**
+ * enum srp_rport_state - SRP transport layer state
+ * @SRP_RPORT_RUNNING: Transport layer operational.
+ * @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: Port is being removed.
+ */
+enum srp_rport_state {
+ SRP_RPORT_RUNNING,
+ SRP_RPORT_BLOCKED,
+ SRP_RPORT_FAIL_FAST,
+ SRP_RPORT_LOST,
+};
+
+/**
+ * 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.
+ * @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 */
@@ -23,11 +59,49 @@ struct srp_rport {
/* for initiator drivers */
- void *lld_data; /* LLD private data */
+ void *lld_data;
+
+ struct mutex mutex;
+ enum srp_rport_state state;
+ int reconnect_delay;
+ int failed_reconnects;
+ struct delayed_work reconnect_work;
+ int fast_io_fail_tmo;
+ int dev_loss_tmo;
+ struct delayed_work fast_io_fail_work;
+ struct delayed_work dev_loss_work;
};
+/**
+ * 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
+ * timer if the device on which it has been queued is blocked.
+ * @reconnect_delay: If not NULL, points to the default reconnect_delay value.
+ * @fast_io_fail_tmo: If not NULL, points to the default fast_io_fail_tmo value.
+ * @dev_loss_tmo: If not NULL, points to the default dev_loss_tmo value.
+ * @reconnect: Callback function for reconnecting to the target. See also
+ * 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 */
+ bool has_rport_state;
+ bool reset_timer_if_blocked;
+ int *reconnect_delay;
+ int *fast_io_fail_tmo;
+ int *dev_loss_tmo;
+ int (*reconnect)(struct srp_rport *rport);
+ void (*terminate_rport_io)(struct srp_rport *rport);
void (*rport_delete)(struct srp_rport *rport);
/* for target drivers */
int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
@@ -38,10 +112,38 @@ extern struct scsi_transport_template *
srp_attach_transport(struct srp_function_template *);
extern void srp_release_transport(struct scsi_transport_template *);
+extern void srp_rport_get(struct srp_rport *rport);
+extern void srp_rport_put(struct srp_rport *rport);
extern struct srp_rport *srp_rport_add(struct Scsi_Host *,
struct srp_rport_identifiers *);
extern void srp_rport_del(struct srp_rport *);
-
+extern int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo,
+ int dev_loss_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
+ * fc_remote_port_chkready().
+ */
+static inline int srp_chkready(struct srp_rport *rport)
+{
+ switch (rport->state) {
+ case SRP_RPORT_RUNNING:
+ case SRP_RPORT_BLOCKED:
+ default:
+ return 0;
+ case SRP_RPORT_FAIL_FAST:
+ return DID_TRANSPORT_FAILFAST << 16;
+ case SRP_RPORT_LOST:
+ return DID_NO_CONNECT << 16;
+ }
+}
#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-10 05:06:03 +0000