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-rw-r--r--include/scsi/Kbuild4
-rw-r--r--include/scsi/fc/fc_fip.h7
-rw-r--r--include/scsi/iscsi_if.h49
-rw-r--r--include/scsi/libfc.h1
-rw-r--r--include/scsi/libfcoe.h2
-rw-r--r--include/scsi/libiscsi.h8
-rw-r--r--include/scsi/osd_attributes.h74
-rw-r--r--include/scsi/osd_initiator.h14
-rw-r--r--include/scsi/osd_protocol.h8
-rw-r--r--include/scsi/scsi_bsg_fc.h322
-rw-r--r--include/scsi/scsi_cmnd.h2
-rw-r--r--include/scsi/scsi_host.h9
-rw-r--r--include/scsi/scsi_transport_fc.h52
-rw-r--r--include/scsi/scsi_transport_iscsi.h8
-rw-r--r--include/scsi/scsi_transport_spi.h4
15 files changed, 545 insertions, 19 deletions
diff --git a/include/scsi/Kbuild b/include/scsi/Kbuild
new file mode 100644
index 00000000000..33b2750e928
--- /dev/null
+++ b/include/scsi/Kbuild
@@ -0,0 +1,4 @@
+header-y += scsi.h
+header-y += scsi_netlink.h
+header-y += scsi_netlink_fc.h
+header-y += scsi_bsg_fc.h
diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h
index 0627a9ae634..3d138c1fcf8 100644
--- a/include/scsi/fc/fc_fip.h
+++ b/include/scsi/fc/fc_fip.h
@@ -22,13 +22,6 @@
* http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf
*/
-/*
- * The FIP ethertype eventually goes in net/if_ether.h.
- */
-#ifndef ETH_P_FIP
-#define ETH_P_FIP 0x8914 /* FIP Ethertype */
-#endif
-
#define FIP_DEF_PRI 128 /* default selection priority */
#define FIP_DEF_FC_MAP 0x0efc00 /* default FCoE MAP (MAC OUI) value */
#define FIP_DEF_FKA 8000 /* default FCF keep-alive/advert period (mS) */
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index d0ed5226f8c..4426f00da5f 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -22,6 +22,11 @@
#define ISCSI_IF_H
#include <scsi/iscsi_proto.h>
+#include <linux/in.h>
+#include <linux/in6.h>
+
+#define ISCSI_NL_GRP_ISCSID 1
+#define ISCSI_NL_GRP_UIP 2
#define UEVENT_BASE 10
#define KEVENT_BASE 100
@@ -50,7 +55,10 @@ enum iscsi_uevent_e {
ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15,
ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16,
ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17,
- ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18,
+ ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18,
+ ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19,
+
+ ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20,
/* up events */
ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1,
@@ -59,6 +67,9 @@ enum iscsi_uevent_e {
ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4,
ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5,
ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6,
+
+ ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7,
+ ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8,
};
enum iscsi_tgt_dscvr {
@@ -131,6 +142,10 @@ struct iscsi_uevent {
struct msg_transport_connect {
uint32_t non_blocking;
} ep_connect;
+ struct msg_transport_connect_through_host {
+ uint32_t host_no;
+ uint32_t non_blocking;
+ } ep_connect_through_host;
struct msg_transport_poll {
uint64_t ep_handle;
uint32_t timeout_ms;
@@ -154,6 +169,9 @@ struct iscsi_uevent {
uint32_t param; /* enum iscsi_host_param */
uint32_t len;
} set_host_param;
+ struct msg_set_path {
+ uint32_t host_no;
+ } set_path;
} u;
union {
/* messages k -> u */
@@ -187,10 +205,39 @@ struct iscsi_uevent {
struct msg_transport_connect_ret {
uint64_t handle;
} ep_connect_ret;
+ struct msg_req_path {
+ uint32_t host_no;
+ } req_path;
+ struct msg_notify_if_down {
+ uint32_t host_no;
+ } notify_if_down;
} r;
} __attribute__ ((aligned (sizeof(uint64_t))));
/*
+ * To keep the struct iscsi_uevent size the same for userspace code
+ * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and
+ * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the
+ * struct iscsi_uevent in the NETLINK_ISCSI message.
+ */
+struct iscsi_path {
+ uint64_t handle;
+ uint8_t mac_addr[6];
+ uint8_t mac_addr_old[6];
+ uint32_t ip_addr_len; /* 4 or 16 */
+ union {
+ struct in_addr v4_addr;
+ struct in6_addr v6_addr;
+ } src;
+ union {
+ struct in_addr v4_addr;
+ struct in6_addr v6_addr;
+ } dst;
+ uint16_t vlan_id;
+ uint16_t pmtu;
+} __attribute__ ((aligned (sizeof(uint64_t))));
+
+/*
* Common error codes
*/
enum iscsi_err {
diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index 45f9cc642c4..ebdd9f4cf07 100644
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -679,6 +679,7 @@ struct fc_lport {
unsigned int e_d_tov;
unsigned int r_a_tov;
u8 max_retry_count;
+ u8 max_rport_retry_count;
u16 link_speed;
u16 link_supported_speeds;
u16 lro_xid; /* max xid for fcoe lro */
diff --git a/include/scsi/libfcoe.h b/include/scsi/libfcoe.h
index 666cc131732..b2410605b74 100644
--- a/include/scsi/libfcoe.h
+++ b/include/scsi/libfcoe.h
@@ -73,6 +73,7 @@ enum fip_state {
* @link: current link status for libfc.
* @last_link: last link state reported to libfc.
* @map_dest: use the FC_MAP mode for destination MAC addresses.
+ * @spma: supports SPMA server-provided MACs mode
* @dest_addr: MAC address of the selected FC forwarder.
* @ctl_src_addr: the native MAC address of our local port.
* @data_src_addr: the assigned MAC address for the local port after FLOGI.
@@ -104,6 +105,7 @@ struct fcoe_ctlr {
u8 link;
u8 last_link;
u8 map_dest;
+ u8 spma;
u8 dest_addr[ETH_ALEN];
u8 ctl_src_addr[ETH_ALEN];
u8 data_src_addr[ETH_ALEN];
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 0289f5745fb..196525cd402 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -82,9 +82,12 @@ enum {
enum {
+ ISCSI_TASK_FREE,
ISCSI_TASK_COMPLETED,
ISCSI_TASK_PENDING,
ISCSI_TASK_RUNNING,
+ ISCSI_TASK_ABRT_TMF, /* aborted due to TMF */
+ ISCSI_TASK_ABRT_SESS_RECOV, /* aborted due to session recovery */
};
struct iscsi_r2t_info {
@@ -181,9 +184,7 @@ struct iscsi_conn {
/* xmit */
struct list_head mgmtqueue; /* mgmt (control) xmit queue */
- struct list_head mgmt_run_list; /* list of control tasks */
- struct list_head xmitqueue; /* data-path cmd queue */
- struct list_head run_list; /* list of cmds in progress */
+ struct list_head cmdqueue; /* data-path cmd queue */
struct list_head requeue; /* tasks needing another run */
struct work_struct xmitwork; /* per-conn. xmit workqueue */
unsigned long suspend_tx; /* suspend Tx */
@@ -406,6 +407,7 @@ extern int __iscsi_complete_pdu(struct iscsi_conn *, struct iscsi_hdr *,
char *, int);
extern int iscsi_verify_itt(struct iscsi_conn *, itt_t);
extern struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *, itt_t);
+extern struct iscsi_task *iscsi_itt_to_task(struct iscsi_conn *, itt_t);
extern void iscsi_requeue_task(struct iscsi_task *task);
extern void iscsi_put_task(struct iscsi_task *task);
extern void __iscsi_get_task(struct iscsi_task *task);
diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h
index f888a6fda07..56e920ade32 100644
--- a/include/scsi/osd_attributes.h
+++ b/include/scsi/osd_attributes.h
@@ -29,6 +29,7 @@ enum {
OSD_APAGE_PARTITION_INFORMATION = OSD_APAGE_PARTITION_FIRST + 1,
OSD_APAGE_PARTITION_QUOTAS = OSD_APAGE_PARTITION_FIRST + 2,
OSD_APAGE_PARTITION_TIMESTAMP = OSD_APAGE_PARTITION_FIRST + 3,
+ OSD_APAGE_PARTITION_ATTR_ACCESS = OSD_APAGE_PARTITION_FIRST + 4,
OSD_APAGE_PARTITION_SECURITY = OSD_APAGE_PARTITION_FIRST + 5,
OSD_APAGE_PARTITION_LAST = 0x5FFFFFFF,
@@ -51,7 +52,9 @@ enum {
OSD_APAGE_RESERVED_TYPE_LAST = 0xEFFFFFFF,
OSD_APAGE_COMMON_FIRST = 0xF0000000,
- OSD_APAGE_COMMON_LAST = 0xFFFFFFFE,
+ OSD_APAGE_COMMON_LAST = 0xFFFFFFFD,
+
+ OSD_APAGE_CURRENT_COMMAND = 0xFFFFFFFE,
OSD_APAGE_REQUEST_ALL = 0xFFFFFFFF,
};
@@ -106,10 +109,30 @@ enum {
OSD_ATTR_RI_PRODUCT_REVISION_LEVEL = 0x7, /* 4 */
OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER = 0x8, /* variable */
OSD_ATTR_RI_OSD_NAME = 0x9, /* variable */
+ OSD_ATTR_RI_MAX_CDB_CONTINUATION_LEN = 0xA, /* 4 */
OSD_ATTR_RI_TOTAL_CAPACITY = 0x80, /* 8 */
OSD_ATTR_RI_USED_CAPACITY = 0x81, /* 8 */
OSD_ATTR_RI_NUMBER_OF_PARTITIONS = 0xC0, /* 8 */
OSD_ATTR_RI_CLOCK = 0x100, /* 6 */
+ OARI_DEFAULT_ISOLATION_METHOD = 0X110, /* 1 */
+ OARI_SUPPORTED_ISOLATION_METHODS = 0X111, /* 32 */
+
+ OARI_DATA_ATOMICITY_GUARANTEE = 0X120, /* 8 */
+ OARI_DATA_ATOMICITY_ALIGNMENT = 0X121, /* 8 */
+ OARI_ATTRIBUTES_ATOMICITY_GUARANTEE = 0X122, /* 8 */
+ OARI_DATA_ATTRIBUTES_ATOMICITY_MULTIPLIER = 0X123, /* 1 */
+
+ OARI_MAXIMUM_SNAPSHOTS_COUNT = 0X1C1, /* 0 or 4 */
+ OARI_MAXIMUM_CLONES_COUNT = 0X1C2, /* 0 or 4 */
+ OARI_MAXIMUM_BRANCH_DEPTH = 0X1CC, /* 0 or 4 */
+ OARI_SUPPORTED_OBJECT_DUPLICATION_METHOD_FIRST = 0X200, /* 0 or 4 */
+ OARI_SUPPORTED_OBJECT_DUPLICATION_METHOD_LAST = 0X2ff, /* 0 or 4 */
+ OARI_SUPPORTED_TIME_OF_DUPLICATION_METHOD_FIRST = 0X300, /* 0 or 4 */
+ OARI_SUPPORTED_TIME_OF_DUPLICATION_METHOD_LAST = 0X30F, /* 0 or 4 */
+ OARI_SUPPORT_FOR_DUPLICATED_OBJECT_FREEZING = 0X310, /* 0 or 4 */
+ OARI_SUPPORT_FOR_SNAPSHOT_REFRESHING = 0X311, /* 0 or 1 */
+ OARI_SUPPORTED_CDB_CONTINUATION_DESC_TYPE_FIRST = 0X7000001,/* 0 or 4 */
+ OARI_SUPPORTED_CDB_CONTINUATION_DESC_TYPE_LAST = 0X700FFFF,/* 0 or 4 */
};
/* Root_Information_attributes_page does not have a get_page structure */
@@ -120,7 +143,15 @@ enum {
OSD_ATTR_PI_PARTITION_ID = 0x1, /* 8 */
OSD_ATTR_PI_USERNAME = 0x9, /* variable */
OSD_ATTR_PI_USED_CAPACITY = 0x81, /* 8 */
+ OSD_ATTR_PI_USED_CAPACITY_INCREMENT = 0x84, /* 0 or 8 */
OSD_ATTR_PI_NUMBER_OF_OBJECTS = 0xC1, /* 8 */
+
+ OSD_ATTR_PI_ACTUAL_DATA_SPACE = 0xD1, /* 0 or 8 */
+ OSD_ATTR_PI_RESERVED_DATA_SPACE = 0xD2, /* 0 or 8 */
+ OSD_ATTR_PI_DEFAULT_SNAPSHOT_DUPLICATION_METHOD = 0x200,/* 0 or 4 */
+ OSD_ATTR_PI_DEFAULT_CLONE_DUPLICATION_METHOD = 0x201,/* 0 or 4 */
+ OSD_ATTR_PI_DEFAULT_SP_TIME_OF_DUPLICATION = 0x300,/* 0 or 4 */
+ OSD_ATTR_PI_DEFAULT_CLONE_TIME_OF_DUPLICATION = 0x301,/* 0 or 4 */
};
/* Partition Information attributes page does not have a get_page structure */
@@ -131,6 +162,7 @@ enum {
OSD_ATTR_CI_PARTITION_ID = 0x1, /* 8 */
OSD_ATTR_CI_COLLECTION_OBJECT_ID = 0x2, /* 8 */
OSD_ATTR_CI_USERNAME = 0x9, /* variable */
+ OSD_ATTR_CI_COLLECTION_TYPE = 0xA, /* 1 */
OSD_ATTR_CI_USED_CAPACITY = 0x81, /* 8 */
};
/* Collection Information attributes page does not have a get_page structure */
@@ -144,6 +176,8 @@ enum {
OSD_ATTR_OI_USERNAME = 0x9, /* variable */
OSD_ATTR_OI_USED_CAPACITY = 0x81, /* 8 */
OSD_ATTR_OI_LOGICAL_LENGTH = 0x82, /* 8 */
+ SD_ATTR_OI_ACTUAL_DATA_SPACE = 0XD1, /* 0 OR 8 */
+ SD_ATTR_OI_RESERVED_DATA_SPACE = 0XD2, /* 0 OR 8 */
};
/* Object Information attributes page does not have a get_page structure */
@@ -248,7 +282,18 @@ struct object_timestamps_attributes_page {
struct osd_timestamp data_modified_time;
} __packed;
-/* 7.1.2.19 Collections attributes page */
+/* OSD2r05: 7.1.3.19 Attributes Access attributes page
+ * (OSD_APAGE_PARTITION_ATTR_ACCESS)
+ *
+ * each attribute is of the form below. Total array length is deduced
+ * from the attribute's length
+ * (See allowed_attributes_access of the struct osd_cap_object_descriptor)
+ */
+struct attributes_access_attr {
+ struct osd_attributes_list_attrid attr_list[0];
+} __packed;
+
+/* OSD2r05: 7.1.2.21 Collections attributes page */
/* TBD */
/* 7.1.2.20 Root Policy/Security attributes page (OSD_APAGE_ROOT_SECURITY) */
@@ -324,4 +369,29 @@ struct object_security_attributes_page {
__be32 policy_access_tag;
} __packed;
+/* OSD2r05: 7.1.3.31 Current Command attributes page
+ * (OSD_APAGE_CURRENT_COMMAND)
+ */
+enum {
+ OSD_ATTR_CC_RESPONSE_INTEGRITY_CHECK_VALUE = 0x1, /* 32 */
+ OSD_ATTR_CC_OBJECT_TYPE = 0x2, /* 1 */
+ OSD_ATTR_CC_PARTITION_ID = 0x3, /* 8 */
+ OSD_ATTR_CC_OBJECT_ID = 0x4, /* 8 */
+ OSD_ATTR_CC_STARTING_BYTE_ADDRESS_OF_APPEND = 0x5, /* 8 */
+ OSD_ATTR_CC_CHANGE_IN_USED_CAPACITY = 0x6, /* 8 */
+};
+
+/*TBD: osdv1_current_command_attributes_page */
+
+struct osdv2_current_command_attributes_page {
+ struct osd_attr_page_header hdr; /* id=0xFFFFFFFE, size=0x44 */
+ u8 response_integrity_check_value[OSD_CRYPTO_KEYID_SIZE];
+ u8 object_type;
+ u8 reserved[3];
+ __be64 partition_id;
+ __be64 object_id;
+ __be64 starting_byte_address_of_append;
+ __be64 change_in_used_capacity;
+};
+
#endif /*ndef __OSD_ATTRIBUTES_H__*/
diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
index b24d9616eb4..02bd9f71635 100644
--- a/include/scsi/osd_initiator.h
+++ b/include/scsi/osd_initiator.h
@@ -18,6 +18,7 @@
#include "osd_types.h"
#include <linux/blkdev.h>
+#include <scsi/scsi_device.h>
/* Note: "NI" in comments below means "Not Implemented yet" */
@@ -47,6 +48,7 @@ enum osd_std_version {
*/
struct osd_dev {
struct scsi_device *scsi_device;
+ struct file *file;
unsigned def_timeout;
#ifdef OSD_VER1_SUPPORT
@@ -69,6 +71,10 @@ void osd_dev_fini(struct osd_dev *od);
/* some hi level device operations */
int osd_auto_detect_ver(struct osd_dev *od, void *caps); /* GFP_KERNEL */
+static inline struct request_queue *osd_request_queue(struct osd_dev *od)
+{
+ return od->scsi_device->request_queue;
+}
/* we might want to use function vector in the future */
static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v)
@@ -363,7 +369,9 @@ void osd_req_create_object(struct osd_request *or, struct osd_obj_id *);
void osd_req_remove_object(struct osd_request *or, struct osd_obj_id *);
void osd_req_write(struct osd_request *or,
- const struct osd_obj_id *, struct bio *data_out, u64 offset);
+ const struct osd_obj_id *obj, u64 offset, struct bio *bio, u64 len);
+int osd_req_write_kern(struct osd_request *or,
+ const struct osd_obj_id *obj, u64 offset, void *buff, u64 len);
void osd_req_append(struct osd_request *or,
const struct osd_obj_id *, struct bio *data_out);/* NI */
void osd_req_create_write(struct osd_request *or,
@@ -378,7 +386,9 @@ void osd_req_flush_object(struct osd_request *or,
/*V2*/ u64 offset, /*V2*/ u64 len);
void osd_req_read(struct osd_request *or,
- const struct osd_obj_id *, struct bio *data_in, u64 offset);
+ const struct osd_obj_id *obj, u64 offset, struct bio *bio, u64 len);
+int osd_req_read_kern(struct osd_request *or,
+ const struct osd_obj_id *obj, u64 offset, void *buff, u64 len);
/*
* Root/Partition/Collection/Object Attributes commands
diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h
index 62b2ab8c69d..2cc8e8b1cc1 100644
--- a/include/scsi/osd_protocol.h
+++ b/include/scsi/osd_protocol.h
@@ -303,7 +303,15 @@ enum osd_service_actions {
OSD_ACT_V2(REMOVE_MEMBER_OBJECTS, 0x21)
OSD_ACT_V2(GET_MEMBER_ATTRIBUTES, 0x22)
OSD_ACT_V2(SET_MEMBER_ATTRIBUTES, 0x23)
+
+ OSD_ACT_V2(CREATE_CLONE, 0x28)
+ OSD_ACT_V2(CREATE_SNAPSHOT, 0x29)
+ OSD_ACT_V2(DETACH_CLONE, 0x2A)
+ OSD_ACT_V2(REFRESH_SNAPSHOT_CLONE, 0x2B)
+ OSD_ACT_V2(RESTORE_PARTITION_FROM_SNAPSHOT, 0x2C)
+
OSD_ACT_V2(READ_MAP, 0x31)
+ OSD_ACT_V2(READ_MAPS_COMPARE, 0x32)
OSD_ACT_V1_V2(PERFORM_SCSI_COMMAND, 0x8F7E, 0x8F7C)
OSD_ACT_V1_V2(SCSI_TASK_MANAGEMENT, 0x8F7F, 0x8F7D)
diff --git a/include/scsi/scsi_bsg_fc.h b/include/scsi/scsi_bsg_fc.h
new file mode 100644
index 00000000000..a4b23331817
--- /dev/null
+++ b/include/scsi/scsi_bsg_fc.h
@@ -0,0 +1,322 @@
+/*
+ * FC Transport BSG Interface
+ *
+ * Copyright (C) 2008 James Smart, Emulex Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef SCSI_BSG_FC_H
+#define SCSI_BSG_FC_H
+
+/*
+ * This file intended to be included by both kernel and user space
+ */
+
+#include <scsi/scsi.h>
+
+/*
+ * FC Transport SGIO v4 BSG Message Support
+ */
+
+/* Default BSG request timeout (in seconds) */
+#define FC_DEFAULT_BSG_TIMEOUT (10 * HZ)
+
+
+/*
+ * Request Message Codes supported by the FC Transport
+ */
+
+/* define the class masks for the message codes */
+#define FC_BSG_CLS_MASK 0xF0000000 /* find object class */
+#define FC_BSG_HST_MASK 0x80000000 /* fc host class */
+#define FC_BSG_RPT_MASK 0x40000000 /* fc rport class */
+
+ /* fc_host Message Codes */
+#define FC_BSG_HST_ADD_RPORT (FC_BSG_HST_MASK | 0x00000001)
+#define FC_BSG_HST_DEL_RPORT (FC_BSG_HST_MASK | 0x00000002)
+#define FC_BSG_HST_ELS_NOLOGIN (FC_BSG_HST_MASK | 0x00000003)
+#define FC_BSG_HST_CT (FC_BSG_HST_MASK | 0x00000004)
+#define FC_BSG_HST_VENDOR (FC_BSG_HST_MASK | 0x000000FF)
+
+ /* fc_rport Message Codes */
+#define FC_BSG_RPT_ELS (FC_BSG_RPT_MASK | 0x00000001)
+#define FC_BSG_RPT_CT (FC_BSG_RPT_MASK | 0x00000002)
+
+
+
+/*
+ * FC Address Identifiers in Message Structures :
+ *
+ * Whenever a command payload contains a FC Address Identifier
+ * (aka port_id), the value is effectively in big-endian
+ * order, thus the array elements are decoded as follows:
+ * element [0] is bits 23:16 of the FC Address Identifier
+ * element [1] is bits 15:8 of the FC Address Identifier
+ * element [2] is bits 7:0 of the FC Address Identifier
+ */
+
+
+/*
+ * FC Host Messages
+ */
+
+/* FC_BSG_HST_ADDR_PORT : */
+
+/* Request:
+ * This message requests the FC host to login to the remote port
+ * at the specified N_Port_Id. The remote port is to be enumerated
+ * with the transport upon completion of the login.
+ */
+struct fc_bsg_host_add_rport {
+ uint8_t reserved;
+
+ /* FC Address Identier of the remote port to login to */
+ uint8_t port_id[3];
+};
+
+/* Response:
+ * There is no additional response data - fc_bsg_reply->result is sufficient
+ */
+
+
+/* FC_BSG_HST_DEL_RPORT : */
+
+/* Request:
+ * This message requests the FC host to remove an enumerated
+ * remote port and to terminate the login to it.
+ *
+ * Note: The driver is free to reject this request if it desires to
+ * remain logged in with the remote port.
+ */
+struct fc_bsg_host_del_rport {
+ uint8_t reserved;
+
+ /* FC Address Identier of the remote port to logout of */
+ uint8_t port_id[3];
+};
+
+/* Response:
+ * There is no additional response data - fc_bsg_reply->result is sufficient
+ */
+
+
+/* FC_BSG_HST_ELS_NOLOGIN : */
+
+/* Request:
+ * This message requests the FC_Host to send an ELS to a specific
+ * N_Port_ID. The host does not need to log into the remote port,
+ * nor does it need to enumerate the rport for further traffic
+ * (although, the FC host is free to do so if it desires).
+ */
+struct fc_bsg_host_els {
+ /*
+ * ELS Command Code being sent (must be the same as byte 0
+ * of the payload)
+ */
+ uint8_t command_code;
+
+ /* FC Address Identier of the remote port to send the ELS to */
+ uint8_t port_id[3];
+};
+
+/* Response:
+ */
+/* fc_bsg_ctels_reply->status values */
+#define FC_CTELS_STATUS_OK 0x00000000
+#define FC_CTELS_STATUS_REJECT 0x00000001
+#define FC_CTELS_STATUS_P_RJT 0x00000002
+#define FC_CTELS_STATUS_F_RJT 0x00000003
+#define FC_CTELS_STATUS_P_BSY 0x00000004
+#define FC_CTELS_STATUS_F_BSY 0x00000006
+struct fc_bsg_ctels_reply {
+ /*
+ * Note: An ELS LS_RJT may be reported in 2 ways:
+ * a) A status of FC_CTELS_STATUS_OK is returned. The caller
+ * is to look into the ELS receive payload to determine
+ * LS_ACC or LS_RJT (by contents of word 0). The reject
+ * data will be in word 1.
+ * b) A status of FC_CTELS_STATUS_REJECT is returned, The
+ * rjt_data field will contain valid data.
+ *
+ * Note: ELS LS_ACC is determined by an FC_CTELS_STATUS_OK, and
+ * the receive payload word 0 indicates LS_ACC
+ * (e.g. value is 0x02xxxxxx).
+ *
+ * Note: Similarly, a CT Reject may be reported in 2 ways:
+ * a) A status of FC_CTELS_STATUS_OK is returned. The caller
+ * is to look into the CT receive payload to determine
+ * Accept or Reject (by contents of word 2). The reject
+ * data will be in word 3.
+ * b) A status of FC_CTELS_STATUS_REJECT is returned, The
+ * rjt_data field will contain valid data.
+ *
+ * Note: x_RJT/BSY status will indicae that the rjt_data field
+ * is valid and contains the reason/explanation values.
+ */
+ uint32_t status; /* See FC_CTELS_STATUS_xxx */
+
+ /* valid if status is not FC_CTELS_STATUS_OK */
+ struct {
+ uint8_t action; /* fragment_id for CT REJECT */
+ uint8_t reason_code;
+ uint8_t reason_explanation;
+ uint8_t vendor_unique;
+ } rjt_data;
+};
+
+
+/* FC_BSG_HST_CT : */
+
+/* Request:
+ * This message requests that a CT Request be performed with the
+ * indicated N_Port_ID. The driver is responsible for logging in with
+ * the fabric and/or N_Port_ID, etc as per FC rules. This request does
+ * not mandate that the driver must enumerate the destination in the
+ * transport. The driver is allowed to decide whether to enumerate it,
+ * and whether to tear it down after the request.
+ */
+struct fc_bsg_host_ct {
+ uint8_t reserved;
+
+ /* FC Address Identier of the remote port to send the ELS to */
+ uint8_t port_id[3];
+
+ /*
+ * We need words 0-2 of the generic preamble for the LLD's
+ */
+ uint32_t preamble_word0; /* revision & IN_ID */
+ uint32_t preamble_word1; /* GS_Type, GS_SubType, Options, Rsvd */
+ uint32_t preamble_word2; /* Cmd Code, Max Size */
+
+};
+/* Response:
+ *
+ * The reply structure is an fc_bsg_ctels_reply structure
+ */
+
+
+/* FC_BSG_HST_VENDOR : */
+
+/* Request:
+ * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
+ * formatting requirements specified in scsi_netlink.h
+ */
+struct fc_bsg_host_vendor {
+ /*
+ * Identifies the vendor that the message is formatted for. This
+ * should be the recipient of the message.
+ */
+ uint64_t vendor_id;
+
+ /* start of vendor command area */
+ uint32_t vendor_cmd[0];
+};
+
+/* Response:
+ */
+struct fc_bsg_host_vendor_reply {
+ /* start of vendor response area */
+ uint32_t vendor_rsp[0];
+};
+
+
+
+/*
+ * FC Remote Port Messages
+ */
+
+/* FC_BSG_RPT_ELS : */
+
+/* Request:
+ * This message requests that an ELS be performed with the rport.
+ */
+struct fc_bsg_rport_els {
+ /*
+ * ELS Command Code being sent (must be the same as
+ * byte 0 of the payload)
+ */
+ uint8_t els_code;
+};
+
+/* Response:
+ *
+ * The reply structure is an fc_bsg_ctels_reply structure
+ */
+
+
+/* FC_BSG_RPT_CT : */
+
+/* Request:
+ * This message requests that a CT Request be performed with the rport.
+ */
+struct fc_bsg_rport_ct {
+ /*
+ * We need words 0-2 of the generic preamble for the LLD's
+ */
+ uint32_t preamble_word0; /* revision & IN_ID */
+ uint32_t preamble_word1; /* GS_Type, GS_SubType, Options, Rsvd */
+ uint32_t preamble_word2; /* Cmd Code, Max Size */
+};
+/* Response:
+ *
+ * The reply structure is an fc_bsg_ctels_reply structure
+ */
+
+
+
+
+/* request (CDB) structure of the sg_io_v4 */
+struct fc_bsg_request {
+ uint32_t msgcode;
+ union {
+ struct fc_bsg_host_add_rport h_addrport;
+ struct fc_bsg_host_del_rport h_delrport;
+ struct fc_bsg_host_els h_els;
+ struct fc_bsg_host_ct h_ct;
+ struct fc_bsg_host_vendor h_vendor;
+
+ struct fc_bsg_rport_els r_els;
+ struct fc_bsg_rport_ct r_ct;
+ } rqst_data;
+};
+
+
+/* response (request sense data) structure of the sg_io_v4 */
+struct fc_bsg_reply {
+ /*
+ * The completion result. Result exists in two forms:
+ * if negative, it is an -Exxx system errno value. There will
+ * be no further reply information supplied.
+ * else, it's the 4-byte scsi error result, with driver, host,
+ * msg and status fields. The per-msgcode reply structure
+ * will contain valid data.
+ */
+ uint32_t result;
+
+ /* If there was reply_payload, how much was recevied ? */
+ uint32_t reply_payload_rcv_len;
+
+ union {
+ struct fc_bsg_host_vendor_reply vendor_reply;
+
+ struct fc_bsg_ctels_reply ctels_reply;
+ } reply_data;
+};
+
+
+#endif /* SCSI_BSG_FC_H */
+
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 43b50d36925..3878d1dc7f5 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -270,7 +270,7 @@ static inline unsigned char scsi_get_prot_type(struct scsi_cmnd *scmd)
static inline sector_t scsi_get_lba(struct scsi_cmnd *scmd)
{
- return scmd->request->sector;
+ return blk_rq_pos(scmd->request);
}
static inline unsigned scsi_prot_sg_count(struct scsi_cmnd *cmd)
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index d123ca84e73..b62a097b3ec 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -478,6 +478,15 @@ struct scsi_host_template {
* module_init/module_exit.
*/
struct list_head legacy_hosts;
+
+ /*
+ * Vendor Identifier associated with the host
+ *
+ * Note: When specifying vendor_id, be sure to read the
+ * Vendor Type and ID formatting requirements specified in
+ * scsi_netlink.h
+ */
+ u64 vendor_id;
};
/*
diff --git a/include/scsi/scsi_transport_fc.h b/include/scsi/scsi_transport_fc.h
index 68a8d873bbd..fc50bd64aa4 100644
--- a/include/scsi/scsi_transport_fc.h
+++ b/include/scsi/scsi_transport_fc.h
@@ -33,7 +33,6 @@
struct scsi_transport_template;
-
/*
* FC Port definitions - Following FC HBAAPI guidelines
*
@@ -352,6 +351,7 @@ struct fc_rport { /* aka fc_starget_attrs */
struct delayed_work fail_io_work;
struct work_struct stgt_delete_work;
struct work_struct rport_delete_work;
+ struct request_queue *rqst_q; /* bsg support */
} __attribute__((aligned(sizeof(unsigned long))));
/* bit field values for struct fc_rport "flags" field: */
@@ -514,6 +514,9 @@ struct fc_host_attrs {
struct workqueue_struct *work_q;
char devloss_work_q_name[20];
struct workqueue_struct *devloss_work_q;
+
+ /* bsg support */
+ struct request_queue *rqst_q;
};
#define shost_to_fc_host(x) \
@@ -579,6 +582,47 @@ struct fc_host_attrs {
(((struct fc_host_attrs *)(x)->shost_data)->devloss_work_q)
+struct fc_bsg_buffer {
+ unsigned int payload_len;
+ int sg_cnt;
+ struct scatterlist *sg_list;
+};
+
+/* Values for fc_bsg_job->state_flags (bitflags) */
+#define FC_RQST_STATE_INPROGRESS 0
+#define FC_RQST_STATE_DONE 1
+
+struct fc_bsg_job {
+ struct Scsi_Host *shost;
+ struct fc_rport *rport;
+ struct device *dev;
+ struct request *req;
+ spinlock_t job_lock;
+ unsigned int state_flags;
+ unsigned int ref_cnt;
+ void (*job_done)(struct fc_bsg_job *);
+
+ struct fc_bsg_request *request;
+ struct fc_bsg_reply *reply;
+ unsigned int request_len;
+ unsigned int reply_len;
+ /*
+ * On entry : reply_len indicates the buffer size allocated for
+ * the reply.
+ *
+ * Upon completion : the message handler must set reply_len
+ * to indicates the size of the reply to be returned to the
+ * caller.
+ */
+
+ /* DMA payloads for the request/response */
+ struct fc_bsg_buffer request_payload;
+ struct fc_bsg_buffer reply_payload;
+
+ void *dd_data; /* Used for driver-specific storage */
+};
+
+
/* The functions by which the transport class and the driver communicate */
struct fc_function_template {
void (*get_rport_dev_loss_tmo)(struct fc_rport *);
@@ -614,9 +658,14 @@ struct fc_function_template {
int (* tsk_mgmt_response)(struct Scsi_Host *, u64, u64, int);
int (* it_nexus_response)(struct Scsi_Host *, u64, int);
+ /* bsg support */
+ int (*bsg_request)(struct fc_bsg_job *);
+ int (*bsg_timeout)(struct fc_bsg_job *);
+
/* allocation lengths for host-specific data */
u32 dd_fcrport_size;
u32 dd_fcvport_size;
+ u32 dd_bsg_size;
/*
* The driver sets these to tell the transport class it
@@ -737,7 +786,6 @@ fc_vport_set_state(struct fc_vport *vport, enum fc_vport_state new_state)
vport->vport_state = new_state;
}
-
struct scsi_transport_template *fc_attach_transport(
struct fc_function_template *);
void fc_release_transport(struct scsi_transport_template *);
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 457588e1119..349c7f30720 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -126,12 +126,14 @@ struct iscsi_transport {
int *index, int *age);
void (*session_recovery_timedout) (struct iscsi_cls_session *session);
- struct iscsi_endpoint *(*ep_connect) (struct sockaddr *dst_addr,
+ struct iscsi_endpoint *(*ep_connect) (struct Scsi_Host *shost,
+ struct sockaddr *dst_addr,
int non_blocking);
int (*ep_poll) (struct iscsi_endpoint *ep, int timeout_ms);
void (*ep_disconnect) (struct iscsi_endpoint *ep);
int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type,
uint32_t enable, struct sockaddr *dst_addr);
+ int (*set_path) (struct Scsi_Host *shost, struct iscsi_path *params);
};
/*
@@ -148,6 +150,10 @@ extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn,
extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr,
char *data, uint32_t data_size);
+extern int iscsi_offload_mesg(struct Scsi_Host *shost,
+ struct iscsi_transport *transport, uint32_t type,
+ char *data, uint16_t data_size);
+
struct iscsi_cls_conn {
struct list_head conn_list; /* item in connlist */
void *dd_data; /* LLD private data */
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 286e9628ed8..7497a383b1a 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -36,8 +36,10 @@ struct spi_transport_attrs {
unsigned int width:1; /* 0 - narrow, 1 - wide */
unsigned int max_width:1;
unsigned int iu:1; /* Information Units enabled */
+ unsigned int max_iu:1;
unsigned int dt:1; /* DT clocking enabled */
unsigned int qas:1; /* Quick Arbitration and Selection enabled */
+ unsigned int max_qas:1;
unsigned int wr_flow:1; /* Write Flow control enabled */
unsigned int rd_strm:1; /* Read streaming enabled */
unsigned int rti:1; /* Retain Training Information */
@@ -77,8 +79,10 @@ struct spi_host_attrs {
#define spi_width(x) (((struct spi_transport_attrs *)&(x)->starget_data)->width)
#define spi_max_width(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_width)
#define spi_iu(x) (((struct spi_transport_attrs *)&(x)->starget_data)->iu)
+#define spi_max_iu(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_iu)
#define spi_dt(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dt)
#define spi_qas(x) (((struct spi_transport_attrs *)&(x)->starget_data)->qas)
+#define spi_max_qas(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_qas)
#define spi_wr_flow(x) (((struct spi_transport_attrs *)&(x)->starget_data)->wr_flow)
#define spi_rd_strm(x) (((struct spi_transport_attrs *)&(x)->starget_data)->rd_strm)
#define spi_rti(x) (((struct spi_transport_attrs *)&(x)->starget_data)->rti)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-03 09:19:58 +0000