-header-y += scsi_netlink.h
-header-y += scsi_netlink_fc.h
-header-y += scsi_bsg_fc.h
header-y += fc/
+++ /dev/null
-/*
- * 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
- */
-
-/*
- * 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;
-} __attribute__((packed));
-
-
-/* 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 */
-
+++ /dev/null
-/*
- * SCSI Transport Netlink Interface
- * Used for the posting of outbound SCSI transport events
- *
- * Copyright (C) 2006 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_NETLINK_H
-#define SCSI_NETLINK_H
-
-#include <linux/netlink.h>
-#include <linux/types.h>
-
-/*
- * This file intended to be included by both kernel and user space
- */
-
-/* Single Netlink Message type to send all SCSI Transport messages */
-#define SCSI_TRANSPORT_MSG NLMSG_MIN_TYPE + 1
-
-/* SCSI Transport Broadcast Groups */
- /* leaving groups 0 and 1 unassigned */
-#define SCSI_NL_GRP_FC_EVENTS (1<<2) /* Group 2 */
-#define SCSI_NL_GRP_CNT 3
-
-
-/* SCSI_TRANSPORT_MSG event message header */
-struct scsi_nl_hdr {
- uint8_t version;
- uint8_t transport;
- uint16_t magic;
- uint16_t msgtype;
- uint16_t msglen;
-} __attribute__((aligned(sizeof(uint64_t))));
-
-/* scsi_nl_hdr->version value */
-#define SCSI_NL_VERSION 1
-
-/* scsi_nl_hdr->magic value */
-#define SCSI_NL_MAGIC 0xA1B2
-
-/* scsi_nl_hdr->transport value */
-#define SCSI_NL_TRANSPORT 0
-#define SCSI_NL_TRANSPORT_FC 1
-#define SCSI_NL_MAX_TRANSPORTS 2
-
-/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */
-
-/*
- * GENERIC SCSI scsi_nl_hdr->msgtype Values
- */
- /* kernel -> user */
-#define SCSI_NL_SHOST_VENDOR 0x0001
- /* user -> kernel */
-/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */
-
-
-/*
- * Message Structures :
- */
-
-/* macro to round up message lengths to 8byte boundary */
-#define SCSI_NL_MSGALIGN(len) (((len) + 7) & ~7)
-
-
-/*
- * SCSI HOST Vendor Unique messages :
- * SCSI_NL_SHOST_VENDOR
- *
- * Note: The Vendor Unique message payload will begin directly after
- * this structure, with the length of the payload per vmsg_datalen.
- *
- * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
- * formatting requirements specified below
- */
-struct scsi_nl_host_vendor_msg {
- struct scsi_nl_hdr snlh; /* must be 1st element ! */
- uint64_t vendor_id;
- uint16_t host_no;
- uint16_t vmsg_datalen;
-} __attribute__((aligned(sizeof(uint64_t))));
-
-
-/*
- * Vendor ID:
- * If transports post vendor-unique events, they must pass a well-known
- * 32-bit vendor identifier. This identifier consists of 8 bits indicating
- * the "type" of identifier contained, and 24 bits of id data.
- *
- * Identifiers for each type:
- * PCI : ID data is the 16 bit PCI Registered Vendor ID
- */
-#define SCSI_NL_VID_TYPE_SHIFT 56
-#define SCSI_NL_VID_TYPE_MASK ((__u64)0xFF << SCSI_NL_VID_TYPE_SHIFT)
-#define SCSI_NL_VID_TYPE_PCI ((__u64)0x01 << SCSI_NL_VID_TYPE_SHIFT)
-#define SCSI_NL_VID_ID_MASK (~ SCSI_NL_VID_TYPE_MASK)
-
-
-#define INIT_SCSI_NL_HDR(hdr, t, mtype, mlen) \
- { \
- (hdr)->version = SCSI_NL_VERSION; \
- (hdr)->transport = t; \
- (hdr)->magic = SCSI_NL_MAGIC; \
- (hdr)->msgtype = mtype; \
- (hdr)->msglen = mlen; \
- }
-
-#endif /* SCSI_NETLINK_H */
-
+++ /dev/null
-/*
- * FC Transport Netlink Interface
- *
- * Copyright (C) 2006 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_NETLINK_FC_H
-#define SCSI_NETLINK_FC_H
-
-#include <scsi/scsi_netlink.h>
-
-/*
- * This file intended to be included by both kernel and user space
- */
-
-/*
- * FC Transport Message Types
- */
- /* kernel -> user */
-#define FC_NL_ASYNC_EVENT 0x0100
- /* user -> kernel */
-/* none */
-
-
-/*
- * Message Structures :
- */
-
-/* macro to round up message lengths to 8byte boundary */
-#define FC_NL_MSGALIGN(len) (((len) + 7) & ~7)
-
-
-/*
- * FC Transport Broadcast Event Message :
- * FC_NL_ASYNC_EVENT
- *
- * Note: if Vendor Unique message, &event_data will be start of
- * vendor unique payload, and the length of the payload is
- * per event_datalen
- *
- * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
- * formatting requirements specified in scsi_netlink.h
- */
-struct fc_nl_event {
- struct scsi_nl_hdr snlh; /* must be 1st element ! */
- uint64_t seconds;
- uint64_t vendor_id;
- uint16_t host_no;
- uint16_t event_datalen;
- uint32_t event_num;
- uint32_t event_code;
- uint32_t event_data;
-} __attribute__((aligned(sizeof(uint64_t))));
-
-
-#endif /* SCSI_NETLINK_FC_H */
-
# UAPI Header export list
header-y += fc/
+header-y += scsi_bsg_fc.h
+header-y += scsi_netlink.h
+header-y += scsi_netlink_fc.h
--- /dev/null
+/*
+ * 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
+ */
+
+/*
+ * 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;
+} __attribute__((packed));
+
+
+/* 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 */
+
--- /dev/null
+/*
+ * SCSI Transport Netlink Interface
+ * Used for the posting of outbound SCSI transport events
+ *
+ * Copyright (C) 2006 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_NETLINK_H
+#define SCSI_NETLINK_H
+
+#include <linux/netlink.h>
+#include <linux/types.h>
+
+/*
+ * This file intended to be included by both kernel and user space
+ */
+
+/* Single Netlink Message type to send all SCSI Transport messages */
+#define SCSI_TRANSPORT_MSG NLMSG_MIN_TYPE + 1
+
+/* SCSI Transport Broadcast Groups */
+ /* leaving groups 0 and 1 unassigned */
+#define SCSI_NL_GRP_FC_EVENTS (1<<2) /* Group 2 */
+#define SCSI_NL_GRP_CNT 3
+
+
+/* SCSI_TRANSPORT_MSG event message header */
+struct scsi_nl_hdr {
+ uint8_t version;
+ uint8_t transport;
+ uint16_t magic;
+ uint16_t msgtype;
+ uint16_t msglen;
+} __attribute__((aligned(sizeof(uint64_t))));
+
+/* scsi_nl_hdr->version value */
+#define SCSI_NL_VERSION 1
+
+/* scsi_nl_hdr->magic value */
+#define SCSI_NL_MAGIC 0xA1B2
+
+/* scsi_nl_hdr->transport value */
+#define SCSI_NL_TRANSPORT 0
+#define SCSI_NL_TRANSPORT_FC 1
+#define SCSI_NL_MAX_TRANSPORTS 2
+
+/* Transport-based scsi_nl_hdr->msgtype values are defined in each transport */
+
+/*
+ * GENERIC SCSI scsi_nl_hdr->msgtype Values
+ */
+ /* kernel -> user */
+#define SCSI_NL_SHOST_VENDOR 0x0001
+ /* user -> kernel */
+/* SCSI_NL_SHOST_VENDOR msgtype is kernel->user and user->kernel */
+
+
+/*
+ * Message Structures :
+ */
+
+/* macro to round up message lengths to 8byte boundary */
+#define SCSI_NL_MSGALIGN(len) (((len) + 7) & ~7)
+
+
+/*
+ * SCSI HOST Vendor Unique messages :
+ * SCSI_NL_SHOST_VENDOR
+ *
+ * Note: The Vendor Unique message payload will begin directly after
+ * this structure, with the length of the payload per vmsg_datalen.
+ *
+ * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
+ * formatting requirements specified below
+ */
+struct scsi_nl_host_vendor_msg {
+ struct scsi_nl_hdr snlh; /* must be 1st element ! */
+ uint64_t vendor_id;
+ uint16_t host_no;
+ uint16_t vmsg_datalen;
+} __attribute__((aligned(sizeof(uint64_t))));
+
+
+/*
+ * Vendor ID:
+ * If transports post vendor-unique events, they must pass a well-known
+ * 32-bit vendor identifier. This identifier consists of 8 bits indicating
+ * the "type" of identifier contained, and 24 bits of id data.
+ *
+ * Identifiers for each type:
+ * PCI : ID data is the 16 bit PCI Registered Vendor ID
+ */
+#define SCSI_NL_VID_TYPE_SHIFT 56
+#define SCSI_NL_VID_TYPE_MASK ((__u64)0xFF << SCSI_NL_VID_TYPE_SHIFT)
+#define SCSI_NL_VID_TYPE_PCI ((__u64)0x01 << SCSI_NL_VID_TYPE_SHIFT)
+#define SCSI_NL_VID_ID_MASK (~ SCSI_NL_VID_TYPE_MASK)
+
+
+#define INIT_SCSI_NL_HDR(hdr, t, mtype, mlen) \
+ { \
+ (hdr)->version = SCSI_NL_VERSION; \
+ (hdr)->transport = t; \
+ (hdr)->magic = SCSI_NL_MAGIC; \
+ (hdr)->msgtype = mtype; \
+ (hdr)->msglen = mlen; \
+ }
+
+#endif /* SCSI_NETLINK_H */
+
--- /dev/null
+/*
+ * FC Transport Netlink Interface
+ *
+ * Copyright (C) 2006 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_NETLINK_FC_H
+#define SCSI_NETLINK_FC_H
+
+#include <scsi/scsi_netlink.h>
+
+/*
+ * This file intended to be included by both kernel and user space
+ */
+
+/*
+ * FC Transport Message Types
+ */
+ /* kernel -> user */
+#define FC_NL_ASYNC_EVENT 0x0100
+ /* user -> kernel */
+/* none */
+
+
+/*
+ * Message Structures :
+ */
+
+/* macro to round up message lengths to 8byte boundary */
+#define FC_NL_MSGALIGN(len) (((len) + 7) & ~7)
+
+
+/*
+ * FC Transport Broadcast Event Message :
+ * FC_NL_ASYNC_EVENT
+ *
+ * Note: if Vendor Unique message, &event_data will be start of
+ * vendor unique payload, and the length of the payload is
+ * per event_datalen
+ *
+ * Note: When specifying vendor_id, be sure to read the Vendor Type and ID
+ * formatting requirements specified in scsi_netlink.h
+ */
+struct fc_nl_event {
+ struct scsi_nl_hdr snlh; /* must be 1st element ! */
+ uint64_t seconds;
+ uint64_t vendor_id;
+ uint16_t host_no;
+ uint16_t event_datalen;
+ uint32_t event_num;
+ uint32_t event_code;
+ uint32_t event_data;
+} __attribute__((aligned(sizeof(uint64_t))));
+
+
+#endif /* SCSI_NETLINK_FC_H */
+
projects / firefly-linux-kernel-4.4.55.git / commitdiff