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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /include/uapi/scsi
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/uapi/scsi')
-rw-r--r--include/uapi/scsi/cxlflash_ioctl.h276
-rw-r--r--include/uapi/scsi/fc/fc_els.h1253
-rw-r--r--include/uapi/scsi/fc/fc_fs.h338
-rw-r--r--include/uapi/scsi/fc/fc_gs.h84
-rw-r--r--include/uapi/scsi/fc/fc_ns.h196
-rw-r--r--include/uapi/scsi/scsi_bsg_fc.h308
-rw-r--r--include/uapi/scsi/scsi_bsg_mpi3mr.h576
-rw-r--r--include/uapi/scsi/scsi_bsg_ufs.h220
-rw-r--r--include/uapi/scsi/scsi_netlink.h109
-rw-r--r--include/uapi/scsi/scsi_netlink_fc.h61
10 files changed, 3421 insertions, 0 deletions
diff --git a/include/uapi/scsi/cxlflash_ioctl.h b/include/uapi/scsi/cxlflash_ioctl.h
new file mode 100644
index 0000000000..513da47aa5
--- /dev/null
+++ b/include/uapi/scsi/cxlflash_ioctl.h
@@ -0,0 +1,276 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * CXL Flash Device Driver
+ *
+ * Written by: Manoj N. Kumar <manoj@linux.vnet.ibm.com>, IBM Corporation
+ * Matthew R. Ochs <mrochs@linux.vnet.ibm.com>, IBM Corporation
+ *
+ * Copyright (C) 2015 IBM 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.
+ */
+
+#ifndef _CXLFLASH_IOCTL_H
+#define _CXLFLASH_IOCTL_H
+
+#include <linux/types.h>
+
+/*
+ * Structure and definitions for all CXL Flash ioctls
+ */
+#define CXLFLASH_WWID_LEN 16
+
+/*
+ * Structure and flag definitions CXL Flash superpipe ioctls
+ */
+
+#define DK_CXLFLASH_VERSION_0 0
+
+struct dk_cxlflash_hdr {
+ __u16 version; /* Version data */
+ __u16 rsvd[3]; /* Reserved for future use */
+ __u64 flags; /* Input flags */
+ __u64 return_flags; /* Returned flags */
+};
+
+/*
+ * Return flag definitions available to all superpipe ioctls
+ *
+ * Similar to the input flags, these are grown from the bottom-up with the
+ * intention that ioctl-specific return flag definitions would grow from the
+ * top-down, allowing the two sets to co-exist. While not required/enforced
+ * at this time, this provides future flexibility.
+ */
+#define DK_CXLFLASH_ALL_PORTS_ACTIVE 0x0000000000000001ULL
+#define DK_CXLFLASH_APP_CLOSE_ADAP_FD 0x0000000000000002ULL
+#define DK_CXLFLASH_CONTEXT_SQ_CMD_MODE 0x0000000000000004ULL
+
+/*
+ * General Notes:
+ * -------------
+ * The 'context_id' field of all ioctl structures contains the context
+ * identifier for a context in the lower 32-bits (upper 32-bits are not
+ * to be used when identifying a context to the AFU). That said, the value
+ * in its entirety (all 64-bits) is to be treated as an opaque cookie and
+ * should be presented as such when issuing ioctls.
+ */
+
+/*
+ * DK_CXLFLASH_ATTACH Notes:
+ * ------------------------
+ * Read/write access permissions are specified via the O_RDONLY, O_WRONLY,
+ * and O_RDWR flags defined in the fcntl.h header file.
+ *
+ * A valid adapter file descriptor (fd >= 0) is only returned on the initial
+ * attach (successful) of a context. When a context is shared(reused), the user
+ * is expected to already 'know' the adapter file descriptor associated with the
+ * context.
+ */
+#define DK_CXLFLASH_ATTACH_REUSE_CONTEXT 0x8000000000000000ULL
+
+struct dk_cxlflash_attach {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 num_interrupts; /* Requested number of interrupts */
+ __u64 context_id; /* Returned context */
+ __u64 mmio_size; /* Returned size of MMIO area */
+ __u64 block_size; /* Returned block size, in bytes */
+ __u64 adap_fd; /* Returned adapter file descriptor */
+ __u64 last_lba; /* Returned last LBA on the device */
+ __u64 max_xfer; /* Returned max transfer size, blocks */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+struct dk_cxlflash_detach {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id; /* Context to detach */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+struct dk_cxlflash_udirect {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id; /* Context to own physical resources */
+ __u64 rsrc_handle; /* Returned resource handle */
+ __u64 last_lba; /* Returned last LBA on the device */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+#define DK_CXLFLASH_UVIRTUAL_NEED_WRITE_SAME 0x8000000000000000ULL
+
+struct dk_cxlflash_uvirtual {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id; /* Context to own virtual resources */
+ __u64 lun_size; /* Requested size, in 4K blocks */
+ __u64 rsrc_handle; /* Returned resource handle */
+ __u64 last_lba; /* Returned last LBA of LUN */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+struct dk_cxlflash_release {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id; /* Context owning resources */
+ __u64 rsrc_handle; /* Resource handle to release */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+struct dk_cxlflash_resize {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id; /* Context owning resources */
+ __u64 rsrc_handle; /* Resource handle of LUN to resize */
+ __u64 req_size; /* New requested size, in 4K blocks */
+ __u64 last_lba; /* Returned last LBA of LUN */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+struct dk_cxlflash_clone {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id_src; /* Context to clone from */
+ __u64 context_id_dst; /* Context to clone to */
+ __u64 adap_fd_src; /* Source context adapter fd */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+#define DK_CXLFLASH_VERIFY_SENSE_LEN 18
+#define DK_CXLFLASH_VERIFY_HINT_SENSE 0x8000000000000000ULL
+
+struct dk_cxlflash_verify {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 context_id; /* Context owning resources to verify */
+ __u64 rsrc_handle; /* Resource handle of LUN */
+ __u64 hint; /* Reasons for verify */
+ __u64 last_lba; /* Returned last LBA of device */
+ __u8 sense_data[DK_CXLFLASH_VERIFY_SENSE_LEN]; /* SCSI sense data */
+ __u8 pad[6]; /* Pad to next 8-byte boundary */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+#define DK_CXLFLASH_RECOVER_AFU_CONTEXT_RESET 0x8000000000000000ULL
+
+struct dk_cxlflash_recover_afu {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u64 reason; /* Reason for recovery request */
+ __u64 context_id; /* Context to recover / updated ID */
+ __u64 mmio_size; /* Returned size of MMIO area */
+ __u64 adap_fd; /* Returned adapter file descriptor */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+#define DK_CXLFLASH_MANAGE_LUN_WWID_LEN CXLFLASH_WWID_LEN
+#define DK_CXLFLASH_MANAGE_LUN_ENABLE_SUPERPIPE 0x8000000000000000ULL
+#define DK_CXLFLASH_MANAGE_LUN_DISABLE_SUPERPIPE 0x4000000000000000ULL
+#define DK_CXLFLASH_MANAGE_LUN_ALL_PORTS_ACCESSIBLE 0x2000000000000000ULL
+
+struct dk_cxlflash_manage_lun {
+ struct dk_cxlflash_hdr hdr; /* Common fields */
+ __u8 wwid[DK_CXLFLASH_MANAGE_LUN_WWID_LEN]; /* Page83 WWID, NAA-6 */
+ __u64 reserved[8]; /* Rsvd, future use */
+};
+
+union cxlflash_ioctls {
+ struct dk_cxlflash_attach attach;
+ struct dk_cxlflash_detach detach;
+ struct dk_cxlflash_udirect udirect;
+ struct dk_cxlflash_uvirtual uvirtual;
+ struct dk_cxlflash_release release;
+ struct dk_cxlflash_resize resize;
+ struct dk_cxlflash_clone clone;
+ struct dk_cxlflash_verify verify;
+ struct dk_cxlflash_recover_afu recover_afu;
+ struct dk_cxlflash_manage_lun manage_lun;
+};
+
+#define MAX_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ioctls))
+
+#define CXL_MAGIC 0xCA
+#define CXL_IOWR(_n, _s) _IOWR(CXL_MAGIC, _n, struct _s)
+
+/*
+ * CXL Flash superpipe ioctls start at base of the reserved CXL_MAGIC
+ * region (0x80) and grow upwards.
+ */
+#define DK_CXLFLASH_ATTACH CXL_IOWR(0x80, dk_cxlflash_attach)
+#define DK_CXLFLASH_USER_DIRECT CXL_IOWR(0x81, dk_cxlflash_udirect)
+#define DK_CXLFLASH_RELEASE CXL_IOWR(0x82, dk_cxlflash_release)
+#define DK_CXLFLASH_DETACH CXL_IOWR(0x83, dk_cxlflash_detach)
+#define DK_CXLFLASH_VERIFY CXL_IOWR(0x84, dk_cxlflash_verify)
+#define DK_CXLFLASH_RECOVER_AFU CXL_IOWR(0x85, dk_cxlflash_recover_afu)
+#define DK_CXLFLASH_MANAGE_LUN CXL_IOWR(0x86, dk_cxlflash_manage_lun)
+#define DK_CXLFLASH_USER_VIRTUAL CXL_IOWR(0x87, dk_cxlflash_uvirtual)
+#define DK_CXLFLASH_VLUN_RESIZE CXL_IOWR(0x88, dk_cxlflash_resize)
+#define DK_CXLFLASH_VLUN_CLONE CXL_IOWR(0x89, dk_cxlflash_clone)
+
+/*
+ * Structure and flag definitions CXL Flash host ioctls
+ */
+
+#define HT_CXLFLASH_VERSION_0 0
+
+struct ht_cxlflash_hdr {
+ __u16 version; /* Version data */
+ __u16 subcmd; /* Sub-command */
+ __u16 rsvd[2]; /* Reserved for future use */
+ __u64 flags; /* Input flags */
+ __u64 return_flags; /* Returned flags */
+};
+
+/*
+ * Input flag definitions available to all host ioctls
+ *
+ * These are grown from the bottom-up with the intention that ioctl-specific
+ * input flag definitions would grow from the top-down, allowing the two sets
+ * to co-exist. While not required/enforced at this time, this provides future
+ * flexibility.
+ */
+#define HT_CXLFLASH_HOST_READ 0x0000000000000000ULL
+#define HT_CXLFLASH_HOST_WRITE 0x0000000000000001ULL
+
+#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_CREATE_LUN 0x0001
+#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_DELETE_LUN 0x0002
+#define HT_CXLFLASH_LUN_PROVISION_SUBCMD_QUERY_PORT 0x0003
+
+struct ht_cxlflash_lun_provision {
+ struct ht_cxlflash_hdr hdr; /* Common fields */
+ __u16 port; /* Target port for provision request */
+ __u16 reserved16[3]; /* Reserved for future use */
+ __u64 size; /* Size of LUN (4K blocks) */
+ __u64 lun_id; /* SCSI LUN ID */
+ __u8 wwid[CXLFLASH_WWID_LEN];/* Page83 WWID, NAA-6 */
+ __u64 max_num_luns; /* Maximum number of LUNs provisioned */
+ __u64 cur_num_luns; /* Current number of LUNs provisioned */
+ __u64 max_cap_port; /* Total capacity for port (4K blocks) */
+ __u64 cur_cap_port; /* Current capacity for port (4K blocks) */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+#define HT_CXLFLASH_AFU_DEBUG_MAX_DATA_LEN 262144 /* 256K */
+#define HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN 12
+struct ht_cxlflash_afu_debug {
+ struct ht_cxlflash_hdr hdr; /* Common fields */
+ __u8 reserved8[4]; /* Reserved for future use */
+ __u8 afu_subcmd[HT_CXLFLASH_AFU_DEBUG_SUBCMD_LEN]; /* AFU subcommand,
+ * (pass through)
+ */
+ __u64 data_ea; /* Data buffer effective address */
+ __u32 data_len; /* Data buffer length */
+ __u32 reserved32; /* Reserved for future use */
+ __u64 reserved[8]; /* Reserved for future use */
+};
+
+union cxlflash_ht_ioctls {
+ struct ht_cxlflash_lun_provision lun_provision;
+ struct ht_cxlflash_afu_debug afu_debug;
+};
+
+#define MAX_HT_CXLFLASH_IOCTL_SZ (sizeof(union cxlflash_ht_ioctls))
+
+/*
+ * CXL Flash host ioctls start at the top of the reserved CXL_MAGIC
+ * region (0xBF) and grow downwards.
+ */
+#define HT_CXLFLASH_LUN_PROVISION CXL_IOWR(0xBF, ht_cxlflash_lun_provision)
+#define HT_CXLFLASH_AFU_DEBUG CXL_IOWR(0xBE, ht_cxlflash_afu_debug)
+
+
+#endif /* ifndef _CXLFLASH_IOCTL_H */
diff --git a/include/uapi/scsi/fc/fc_els.h b/include/uapi/scsi/fc/fc_els.h
new file mode 100644
index 0000000000..16782c360d
--- /dev/null
+++ b/include/uapi/scsi/fc/fc_els.h
@@ -0,0 +1,1253 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright(c) 2007 Intel Corporation. All rights reserved.
+ *
+ * Maintained at www.Open-FCoE.org
+ */
+
+#ifndef _FC_ELS_H_
+#define _FC_ELS_H_
+
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+/*
+ * Fibre Channel Switch - Enhanced Link Services definitions.
+ * From T11 FC-LS Rev 1.2 June 7, 2005.
+ */
+
+/*
+ * ELS Command codes - byte 0 of the frame payload
+ */
+enum fc_els_cmd {
+ ELS_LS_RJT = 0x01, /* ESL reject */
+ ELS_LS_ACC = 0x02, /* ESL Accept */
+ ELS_PLOGI = 0x03, /* N_Port login */
+ ELS_FLOGI = 0x04, /* F_Port login */
+ ELS_LOGO = 0x05, /* Logout */
+ ELS_ABTX = 0x06, /* Abort exchange - obsolete */
+ ELS_RCS = 0x07, /* read connection status */
+ ELS_RES = 0x08, /* read exchange status block */
+ ELS_RSS = 0x09, /* read sequence status block */
+ ELS_RSI = 0x0a, /* read sequence initiative */
+ ELS_ESTS = 0x0b, /* establish streaming */
+ ELS_ESTC = 0x0c, /* estimate credit */
+ ELS_ADVC = 0x0d, /* advise credit */
+ ELS_RTV = 0x0e, /* read timeout value */
+ ELS_RLS = 0x0f, /* read link error status block */
+ ELS_ECHO = 0x10, /* echo */
+ ELS_TEST = 0x11, /* test */
+ ELS_RRQ = 0x12, /* reinstate recovery qualifier */
+ ELS_REC = 0x13, /* read exchange concise */
+ ELS_SRR = 0x14, /* sequence retransmission request */
+ ELS_FPIN = 0x16, /* Fabric Performance Impact Notification */
+ ELS_EDC = 0x17, /* Exchange Diagnostic Capabilities */
+ ELS_RDP = 0x18, /* Read Diagnostic Parameters */
+ ELS_RDF = 0x19, /* Register Diagnostic Functions */
+ ELS_PRLI = 0x20, /* process login */
+ ELS_PRLO = 0x21, /* process logout */
+ ELS_SCN = 0x22, /* state change notification */
+ ELS_TPLS = 0x23, /* test process login state */
+ ELS_TPRLO = 0x24, /* third party process logout */
+ ELS_LCLM = 0x25, /* login control list mgmt (obs) */
+ ELS_GAID = 0x30, /* get alias_ID */
+ ELS_FACT = 0x31, /* fabric activate alias_id */
+ ELS_FDACDT = 0x32, /* fabric deactivate alias_id */
+ ELS_NACT = 0x33, /* N-port activate alias_id */
+ ELS_NDACT = 0x34, /* N-port deactivate alias_id */
+ ELS_QOSR = 0x40, /* quality of service request */
+ ELS_RVCS = 0x41, /* read virtual circuit status */
+ ELS_PDISC = 0x50, /* discover N_port service params */
+ ELS_FDISC = 0x51, /* discover F_port service params */
+ ELS_ADISC = 0x52, /* discover address */
+ ELS_RNC = 0x53, /* report node cap (obs) */
+ ELS_FARP_REQ = 0x54, /* FC ARP request */
+ ELS_FARP_REPL = 0x55, /* FC ARP reply */
+ ELS_RPS = 0x56, /* read port status block */
+ ELS_RPL = 0x57, /* read port list */
+ ELS_RPBC = 0x58, /* read port buffer condition */
+ ELS_FAN = 0x60, /* fabric address notification */
+ ELS_RSCN = 0x61, /* registered state change notification */
+ ELS_SCR = 0x62, /* state change registration */
+ ELS_RNFT = 0x63, /* report node FC-4 types */
+ ELS_CSR = 0x68, /* clock synch. request */
+ ELS_CSU = 0x69, /* clock synch. update */
+ ELS_LINIT = 0x70, /* loop initialize */
+ ELS_LSTS = 0x72, /* loop status */
+ ELS_RNID = 0x78, /* request node ID data */
+ ELS_RLIR = 0x79, /* registered link incident report */
+ ELS_LIRR = 0x7a, /* link incident record registration */
+ ELS_SRL = 0x7b, /* scan remote loop */
+ ELS_SBRP = 0x7c, /* set bit-error reporting params */
+ ELS_RPSC = 0x7d, /* report speed capabilities */
+ ELS_QSA = 0x7e, /* query security attributes */
+ ELS_EVFP = 0x7f, /* exchange virt. fabrics params */
+ ELS_LKA = 0x80, /* link keep-alive */
+ ELS_AUTH_ELS = 0x90, /* authentication ELS */
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_ELS_CMDS_INIT { \
+ [ELS_LS_RJT] = "LS_RJT", \
+ [ELS_LS_ACC] = "LS_ACC", \
+ [ELS_PLOGI] = "PLOGI", \
+ [ELS_FLOGI] = "FLOGI", \
+ [ELS_LOGO] = "LOGO", \
+ [ELS_ABTX] = "ABTX", \
+ [ELS_RCS] = "RCS", \
+ [ELS_RES] = "RES", \
+ [ELS_RSS] = "RSS", \
+ [ELS_RSI] = "RSI", \
+ [ELS_ESTS] = "ESTS", \
+ [ELS_ESTC] = "ESTC", \
+ [ELS_ADVC] = "ADVC", \
+ [ELS_RTV] = "RTV", \
+ [ELS_RLS] = "RLS", \
+ [ELS_ECHO] = "ECHO", \
+ [ELS_TEST] = "TEST", \
+ [ELS_RRQ] = "RRQ", \
+ [ELS_REC] = "REC", \
+ [ELS_SRR] = "SRR", \
+ [ELS_FPIN] = "FPIN", \
+ [ELS_EDC] = "EDC", \
+ [ELS_RDP] = "RDP", \
+ [ELS_RDF] = "RDF", \
+ [ELS_PRLI] = "PRLI", \
+ [ELS_PRLO] = "PRLO", \
+ [ELS_SCN] = "SCN", \
+ [ELS_TPLS] = "TPLS", \
+ [ELS_TPRLO] = "TPRLO", \
+ [ELS_LCLM] = "LCLM", \
+ [ELS_GAID] = "GAID", \
+ [ELS_FACT] = "FACT", \
+ [ELS_FDACDT] = "FDACDT", \
+ [ELS_NACT] = "NACT", \
+ [ELS_NDACT] = "NDACT", \
+ [ELS_QOSR] = "QOSR", \
+ [ELS_RVCS] = "RVCS", \
+ [ELS_PDISC] = "PDISC", \
+ [ELS_FDISC] = "FDISC", \
+ [ELS_ADISC] = "ADISC", \
+ [ELS_RNC] = "RNC", \
+ [ELS_FARP_REQ] = "FARP_REQ", \
+ [ELS_FARP_REPL] = "FARP_REPL", \
+ [ELS_RPS] = "RPS", \
+ [ELS_RPL] = "RPL", \
+ [ELS_RPBC] = "RPBC", \
+ [ELS_FAN] = "FAN", \
+ [ELS_RSCN] = "RSCN", \
+ [ELS_SCR] = "SCR", \
+ [ELS_RNFT] = "RNFT", \
+ [ELS_CSR] = "CSR", \
+ [ELS_CSU] = "CSU", \
+ [ELS_LINIT] = "LINIT", \
+ [ELS_LSTS] = "LSTS", \
+ [ELS_RNID] = "RNID", \
+ [ELS_RLIR] = "RLIR", \
+ [ELS_LIRR] = "LIRR", \
+ [ELS_SRL] = "SRL", \
+ [ELS_SBRP] = "SBRP", \
+ [ELS_RPSC] = "RPSC", \
+ [ELS_QSA] = "QSA", \
+ [ELS_EVFP] = "EVFP", \
+ [ELS_LKA] = "LKA", \
+ [ELS_AUTH_ELS] = "AUTH_ELS", \
+}
+
+/*
+ * LS_ACC payload.
+ */
+struct fc_els_ls_acc {
+ __u8 la_cmd; /* command code ELS_LS_ACC */
+ __u8 la_resv[3]; /* reserved */
+};
+
+/*
+ * ELS reject payload.
+ */
+struct fc_els_ls_rjt {
+ __u8 er_cmd; /* command code ELS_LS_RJT */
+ __u8 er_resv[4]; /* reserved must be zero */
+ __u8 er_reason; /* reason (enum fc_els_rjt_reason below) */
+ __u8 er_explan; /* explanation (enum fc_els_rjt_explan below) */
+ __u8 er_vendor; /* vendor specific code */
+};
+
+/*
+ * ELS reject reason codes (er_reason).
+ */
+enum fc_els_rjt_reason {
+ ELS_RJT_NONE = 0, /* no reject - not to be sent */
+ ELS_RJT_INVAL = 0x01, /* invalid ELS command code */
+ ELS_RJT_LOGIC = 0x03, /* logical error */
+ ELS_RJT_BUSY = 0x05, /* logical busy */
+ ELS_RJT_PROT = 0x07, /* protocol error */
+ ELS_RJT_UNAB = 0x09, /* unable to perform command request */
+ ELS_RJT_UNSUP = 0x0b, /* command not supported */
+ ELS_RJT_INPROG = 0x0e, /* command already in progress */
+ ELS_RJT_FIP = 0x20, /* FIP error */
+ ELS_RJT_VENDOR = 0xff, /* vendor specific error */
+};
+
+
+/*
+ * reason code explanation (er_explan).
+ */
+enum fc_els_rjt_explan {
+ ELS_EXPL_NONE = 0x00, /* No additional explanation */
+ ELS_EXPL_SPP_OPT_ERR = 0x01, /* service parameter error - options */
+ ELS_EXPL_SPP_ICTL_ERR = 0x03, /* service parm error - initiator ctl */
+ ELS_EXPL_AH = 0x11, /* invalid association header */
+ ELS_EXPL_AH_REQ = 0x13, /* association_header required */
+ ELS_EXPL_SID = 0x15, /* invalid originator S_ID */
+ ELS_EXPL_OXID_RXID = 0x17, /* invalid OX_ID-RX_ID combination */
+ ELS_EXPL_INPROG = 0x19, /* Request already in progress */
+ ELS_EXPL_PLOGI_REQD = 0x1e, /* N_Port login required */
+ ELS_EXPL_INSUF_RES = 0x29, /* insufficient resources */
+ ELS_EXPL_UNAB_DATA = 0x2a, /* unable to supply requested data */
+ ELS_EXPL_UNSUPR = 0x2c, /* Request not supported */
+ ELS_EXPL_INV_LEN = 0x2d, /* Invalid payload length */
+ ELS_EXPL_NOT_NEIGHBOR = 0x62, /* VN2VN_Port not in neighbor set */
+ /* TBD - above definitions incomplete */
+};
+
+/*
+ * Link Service TLV Descriptor Tag Values
+ */
+enum fc_ls_tlv_dtag {
+ ELS_DTAG_LS_REQ_INFO = 0x00000001,
+ /* Link Service Request Information Descriptor */
+ ELS_DTAG_LNK_FAULT_CAP = 0x0001000D,
+ /* Link Fault Capability Descriptor */
+ ELS_DTAG_CG_SIGNAL_CAP = 0x0001000F,
+ /* Congestion Signaling Capability Descriptor */
+ ELS_DTAG_LNK_INTEGRITY = 0x00020001,
+ /* Link Integrity Notification Descriptor */
+ ELS_DTAG_DELIVERY = 0x00020002,
+ /* Delivery Notification Descriptor */
+ ELS_DTAG_PEER_CONGEST = 0x00020003,
+ /* Peer Congestion Notification Descriptor */
+ ELS_DTAG_CONGESTION = 0x00020004,
+ /* Congestion Notification Descriptor */
+ ELS_DTAG_FPIN_REGISTER = 0x00030001,
+ /* FPIN Registration Descriptor */
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_LS_TLV_DTAG_INIT { \
+ { ELS_DTAG_LS_REQ_INFO, "Link Service Request Information" }, \
+ { ELS_DTAG_LNK_FAULT_CAP, "Link Fault Capability" }, \
+ { ELS_DTAG_CG_SIGNAL_CAP, "Congestion Signaling Capability" }, \
+ { ELS_DTAG_LNK_INTEGRITY, "Link Integrity Notification" }, \
+ { ELS_DTAG_DELIVERY, "Delivery Notification Present" }, \
+ { ELS_DTAG_PEER_CONGEST, "Peer Congestion Notification" }, \
+ { ELS_DTAG_CONGESTION, "Congestion Notification" }, \
+ { ELS_DTAG_FPIN_REGISTER, "FPIN Registration" }, \
+}
+
+
+/*
+ * Generic Link Service TLV Descriptor format
+ *
+ * This structure, as it defines no payload, will also be referred to
+ * as the "tlv header" - which contains the tag and len fields.
+ */
+struct fc_tlv_desc {
+ __be32 desc_tag; /* Notification Descriptor Tag */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __u8 desc_value[]; /* Descriptor Value */
+};
+
+/* Descriptor tag and len fields are considered the mandatory header
+ * for a descriptor
+ */
+#define FC_TLV_DESC_HDR_SZ sizeof(struct fc_tlv_desc)
+
+/*
+ * Macro, used when initializing payloads, to return the descriptor length.
+ * Length is size of descriptor minus the tag and len fields.
+ */
+#define FC_TLV_DESC_LENGTH_FROM_SZ(desc) \
+ (sizeof(desc) - FC_TLV_DESC_HDR_SZ)
+
+/* Macro, used on received payloads, to return the descriptor length */
+#define FC_TLV_DESC_SZ_FROM_LENGTH(tlv) \
+ (__be32_to_cpu((tlv)->desc_len) + FC_TLV_DESC_HDR_SZ)
+
+/*
+ * This helper is used to walk descriptors in a descriptor list.
+ * Given the address of the current descriptor, which minimally contains a
+ * tag and len field, calculate the address of the next descriptor based
+ * on the len field.
+ */
+static inline void *fc_tlv_next_desc(void *desc)
+{
+ struct fc_tlv_desc *tlv = desc;
+
+ return (desc + FC_TLV_DESC_SZ_FROM_LENGTH(tlv));
+}
+
+
+/*
+ * Link Service Request Information Descriptor
+ */
+struct fc_els_lsri_desc {
+ __be32 desc_tag; /* descriptor tag (0x0000 0001) */
+ __be32 desc_len; /* Length of Descriptor (in bytes) (4).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ struct {
+ __u8 cmd; /* ELS cmd byte */
+ __u8 bytes[3]; /* bytes 1..3 */
+ } rqst_w0; /* Request word 0 */
+};
+
+
+/*
+ * Common service parameters (N ports).
+ */
+struct fc_els_csp {
+ __u8 sp_hi_ver; /* highest version supported (obs.) */
+ __u8 sp_lo_ver; /* highest version supported (obs.) */
+ __be16 sp_bb_cred; /* buffer-to-buffer credits */
+ __be16 sp_features; /* common feature flags */
+ __be16 sp_bb_data; /* b-b state number and data field sz */
+ union {
+ struct {
+ __be16 _sp_tot_seq; /* total concurrent sequences */
+ __be16 _sp_rel_off; /* rel. offset by info cat */
+ } sp_plogi;
+ struct {
+ __be32 _sp_r_a_tov; /* resource alloc. timeout msec */
+ } sp_flogi_acc;
+ } sp_u;
+ __be32 sp_e_d_tov; /* error detect timeout value */
+};
+#define sp_tot_seq sp_u.sp_plogi._sp_tot_seq
+#define sp_rel_off sp_u.sp_plogi._sp_rel_off
+#define sp_r_a_tov sp_u.sp_flogi_acc._sp_r_a_tov
+
+#define FC_SP_BB_DATA_MASK 0xfff /* mask for data field size in sp_bb_data */
+
+/*
+ * Minimum and maximum values for max data field size in service parameters.
+ */
+#define FC_SP_MIN_MAX_PAYLOAD FC_MIN_MAX_PAYLOAD
+#define FC_SP_MAX_MAX_PAYLOAD FC_MAX_PAYLOAD
+
+/*
+ * sp_features
+ */
+#define FC_SP_FT_NPIV 0x8000 /* multiple N_Port_ID support (FLOGI) */
+#define FC_SP_FT_CIRO 0x8000 /* continuously increasing rel off (PLOGI) */
+#define FC_SP_FT_CLAD 0x8000 /* clean address (in FLOGI LS_ACC) */
+#define FC_SP_FT_RAND 0x4000 /* random relative offset */
+#define FC_SP_FT_VAL 0x2000 /* valid vendor version level */
+#define FC_SP_FT_NPIV_ACC 0x2000 /* NPIV assignment (FLOGI LS_ACC) */
+#define FC_SP_FT_FPORT 0x1000 /* F port (1) vs. N port (0) */
+#define FC_SP_FT_ABB 0x0800 /* alternate BB_credit management */
+#define FC_SP_FT_EDTR 0x0400 /* E_D_TOV Resolution is nanoseconds */
+#define FC_SP_FT_MCAST 0x0200 /* multicast */
+#define FC_SP_FT_BCAST 0x0100 /* broadcast */
+#define FC_SP_FT_HUNT 0x0080 /* hunt group */
+#define FC_SP_FT_SIMP 0x0040 /* dedicated simplex */
+#define FC_SP_FT_SEC 0x0020 /* reserved for security */
+#define FC_SP_FT_CSYN 0x0010 /* clock synch. supported */
+#define FC_SP_FT_RTTOV 0x0008 /* R_T_TOV value 100 uS, else 100 mS */
+#define FC_SP_FT_HALF 0x0004 /* dynamic half duplex */
+#define FC_SP_FT_SEQC 0x0002 /* SEQ_CNT */
+#define FC_SP_FT_PAYL 0x0001 /* FLOGI payload length 256, else 116 */
+
+/*
+ * Class-specific service parameters.
+ */
+struct fc_els_cssp {
+ __be16 cp_class; /* class flags */
+ __be16 cp_init; /* initiator flags */
+ __be16 cp_recip; /* recipient flags */
+ __be16 cp_rdfs; /* receive data field size */
+ __be16 cp_con_seq; /* concurrent sequences */
+ __be16 cp_ee_cred; /* N-port end-to-end credit */
+ __u8 cp_resv1; /* reserved */
+ __u8 cp_open_seq; /* open sequences per exchange */
+ __u8 _cp_resv2[2]; /* reserved */
+};
+
+/*
+ * cp_class flags.
+ */
+#define FC_CPC_VALID 0x8000 /* class valid */
+#define FC_CPC_IMIX 0x4000 /* intermix mode */
+#define FC_CPC_SEQ 0x0800 /* sequential delivery */
+#define FC_CPC_CAMP 0x0200 /* camp-on */
+#define FC_CPC_PRI 0x0080 /* priority */
+
+/*
+ * cp_init flags.
+ * (TBD: not all flags defined here).
+ */
+#define FC_CPI_CSYN 0x0010 /* clock synch. capable */
+
+/*
+ * cp_recip flags.
+ */
+#define FC_CPR_CSYN 0x0008 /* clock synch. capable */
+
+/*
+ * NFC_ELS_FLOGI: Fabric login request.
+ * NFC_ELS_PLOGI: Port login request (same format).
+ */
+struct fc_els_flogi {
+ __u8 fl_cmd; /* command */
+ __u8 _fl_resvd[3]; /* must be zero */
+ struct fc_els_csp fl_csp; /* common service parameters */
+ __be64 fl_wwpn; /* port name */
+ __be64 fl_wwnn; /* node name */
+ struct fc_els_cssp fl_cssp[4]; /* class 1-4 service parameters */
+ __u8 fl_vend[16]; /* vendor version level */
+} __attribute__((__packed__));
+
+/*
+ * Process login service parameter page.
+ */
+struct fc_els_spp {
+ __u8 spp_type; /* type code or common service params */
+ __u8 spp_type_ext; /* type code extension */
+ __u8 spp_flags;
+ __u8 _spp_resvd;
+ __be32 spp_orig_pa; /* originator process associator */
+ __be32 spp_resp_pa; /* responder process associator */
+ __be32 spp_params; /* service parameters */
+};
+
+/*
+ * spp_flags.
+ */
+#define FC_SPP_OPA_VAL 0x80 /* originator proc. assoc. valid */
+#define FC_SPP_RPA_VAL 0x40 /* responder proc. assoc. valid */
+#define FC_SPP_EST_IMG_PAIR 0x20 /* establish image pair */
+#define FC_SPP_RESP_MASK 0x0f /* mask for response code (below) */
+
+/*
+ * SPP response code in spp_flags - lower 4 bits.
+ */
+enum fc_els_spp_resp {
+ FC_SPP_RESP_ACK = 1, /* request executed */
+ FC_SPP_RESP_RES = 2, /* unable due to lack of resources */
+ FC_SPP_RESP_INIT = 3, /* initialization not complete */
+ FC_SPP_RESP_NO_PA = 4, /* unknown process associator */
+ FC_SPP_RESP_CONF = 5, /* configuration precludes image pair */
+ FC_SPP_RESP_COND = 6, /* request completed conditionally */
+ FC_SPP_RESP_MULT = 7, /* unable to handle multiple SPPs */
+ FC_SPP_RESP_INVL = 8, /* SPP is invalid */
+};
+
+/*
+ * ELS_RRQ - Reinstate Recovery Qualifier
+ */
+struct fc_els_rrq {
+ __u8 rrq_cmd; /* command (0x12) */
+ __u8 rrq_zero[3]; /* specified as zero - part of cmd */
+ __u8 rrq_resvd; /* reserved */
+ __u8 rrq_s_id[3]; /* originator FID */
+ __be16 rrq_ox_id; /* originator exchange ID */
+ __be16 rrq_rx_id; /* responders exchange ID */
+};
+
+/*
+ * ELS_REC - Read exchange concise.
+ */
+struct fc_els_rec {
+ __u8 rec_cmd; /* command (0x13) */
+ __u8 rec_zero[3]; /* specified as zero - part of cmd */
+ __u8 rec_resvd; /* reserved */
+ __u8 rec_s_id[3]; /* originator FID */
+ __be16 rec_ox_id; /* originator exchange ID */
+ __be16 rec_rx_id; /* responders exchange ID */
+};
+
+/*
+ * ELS_REC LS_ACC payload.
+ */
+struct fc_els_rec_acc {
+ __u8 reca_cmd; /* accept (0x02) */
+ __u8 reca_zero[3]; /* specified as zero - part of cmd */
+ __be16 reca_ox_id; /* originator exchange ID */
+ __be16 reca_rx_id; /* responders exchange ID */
+ __u8 reca_resvd1; /* reserved */
+ __u8 reca_ofid[3]; /* originator FID */
+ __u8 reca_resvd2; /* reserved */
+ __u8 reca_rfid[3]; /* responder FID */
+ __be32 reca_fc4value; /* FC4 value */
+ __be32 reca_e_stat; /* ESB (exchange status block) status */
+};
+
+/*
+ * ELS_PRLI - Process login request and response.
+ */
+struct fc_els_prli {
+ __u8 prli_cmd; /* command */
+ __u8 prli_spp_len; /* length of each serv. parm. page */
+ __be16 prli_len; /* length of entire payload */
+ /* service parameter pages follow */
+};
+
+/*
+ * ELS_PRLO - Process logout request and response.
+ */
+struct fc_els_prlo {
+ __u8 prlo_cmd; /* command */
+ __u8 prlo_obs; /* obsolete, but shall be set to 10h */
+ __be16 prlo_len; /* payload length */
+};
+
+/*
+ * ELS_ADISC payload
+ */
+struct fc_els_adisc {
+ __u8 adisc_cmd;
+ __u8 adisc_resv[3];
+ __u8 adisc_resv1;
+ __u8 adisc_hard_addr[3];
+ __be64 adisc_wwpn;
+ __be64 adisc_wwnn;
+ __u8 adisc_resv2;
+ __u8 adisc_port_id[3];
+} __attribute__((__packed__));
+
+/*
+ * ELS_LOGO - process or fabric logout.
+ */
+struct fc_els_logo {
+ __u8 fl_cmd; /* command code */
+ __u8 fl_zero[3]; /* specified as zero - part of cmd */
+ __u8 fl_resvd; /* reserved */
+ __u8 fl_n_port_id[3];/* N port ID */
+ __be64 fl_n_port_wwn; /* port name */
+};
+
+/*
+ * ELS_RTV - read timeout value.
+ */
+struct fc_els_rtv {
+ __u8 rtv_cmd; /* command code 0x0e */
+ __u8 rtv_zero[3]; /* specified as zero - part of cmd */
+};
+
+/*
+ * LS_ACC for ELS_RTV - read timeout value.
+ */
+struct fc_els_rtv_acc {
+ __u8 rtv_cmd; /* command code 0x02 */
+ __u8 rtv_zero[3]; /* specified as zero - part of cmd */
+ __be32 rtv_r_a_tov; /* resource allocation timeout value */
+ __be32 rtv_e_d_tov; /* error detection timeout value */
+ __be32 rtv_toq; /* timeout qualifier (see below) */
+};
+
+/*
+ * rtv_toq bits.
+ */
+#define FC_ELS_RTV_EDRES (1 << 26) /* E_D_TOV resolution is nS else mS */
+#define FC_ELS_RTV_RTTOV (1 << 19) /* R_T_TOV is 100 uS else 100 mS */
+
+/*
+ * ELS_SCR - state change registration payload.
+ */
+struct fc_els_scr {
+ __u8 scr_cmd; /* command code */
+ __u8 scr_resv[6]; /* reserved */
+ __u8 scr_reg_func; /* registration function (see below) */
+};
+
+enum fc_els_scr_func {
+ ELS_SCRF_FAB = 1, /* fabric-detected registration */
+ ELS_SCRF_NPORT = 2, /* Nx_Port-detected registration */
+ ELS_SCRF_FULL = 3, /* full registration */
+ ELS_SCRF_CLEAR = 255, /* remove any current registrations */
+};
+
+/*
+ * ELS_RSCN - registered state change notification payload.
+ */
+struct fc_els_rscn {
+ __u8 rscn_cmd; /* RSCN opcode (0x61) */
+ __u8 rscn_page_len; /* page length (4) */
+ __be16 rscn_plen; /* payload length including this word */
+
+ /* followed by 4-byte generic affected Port_ID pages */
+};
+
+struct fc_els_rscn_page {
+ __u8 rscn_page_flags; /* event and address format */
+ __u8 rscn_fid[3]; /* fabric ID */
+};
+
+#define ELS_RSCN_EV_QUAL_BIT 2 /* shift count for event qualifier */
+#define ELS_RSCN_EV_QUAL_MASK 0xf /* mask for event qualifier */
+#define ELS_RSCN_ADDR_FMT_BIT 0 /* shift count for address format */
+#define ELS_RSCN_ADDR_FMT_MASK 0x3 /* mask for address format */
+
+enum fc_els_rscn_ev_qual {
+ ELS_EV_QUAL_NONE = 0, /* unspecified */
+ ELS_EV_QUAL_NS_OBJ = 1, /* changed name server object */
+ ELS_EV_QUAL_PORT_ATTR = 2, /* changed port attribute */
+ ELS_EV_QUAL_SERV_OBJ = 3, /* changed service object */
+ ELS_EV_QUAL_SW_CONFIG = 4, /* changed switch configuration */
+ ELS_EV_QUAL_REM_OBJ = 5, /* removed object */
+};
+
+enum fc_els_rscn_addr_fmt {
+ ELS_ADDR_FMT_PORT = 0, /* rscn_fid is a port address */
+ ELS_ADDR_FMT_AREA = 1, /* rscn_fid is a area address */
+ ELS_ADDR_FMT_DOM = 2, /* rscn_fid is a domain address */
+ ELS_ADDR_FMT_FAB = 3, /* anything on fabric may have changed */
+};
+
+/*
+ * ELS_RNID - request Node ID.
+ */
+struct fc_els_rnid {
+ __u8 rnid_cmd; /* RNID opcode (0x78) */
+ __u8 rnid_resv[3]; /* reserved */
+ __u8 rnid_fmt; /* data format */
+ __u8 rnid_resv2[3]; /* reserved */
+};
+
+/*
+ * Node Identification Data formats (rnid_fmt)
+ */
+enum fc_els_rnid_fmt {
+ ELS_RNIDF_NONE = 0, /* no specific identification data */
+ ELS_RNIDF_GEN = 0xdf, /* general topology discovery format */
+};
+
+/*
+ * ELS_RNID response.
+ */
+struct fc_els_rnid_resp {
+ __u8 rnid_cmd; /* response code (LS_ACC) */
+ __u8 rnid_resv[3]; /* reserved */
+ __u8 rnid_fmt; /* data format */
+ __u8 rnid_cid_len; /* common ID data length */
+ __u8 rnid_resv2; /* reserved */
+ __u8 rnid_sid_len; /* specific ID data length */
+};
+
+struct fc_els_rnid_cid {
+ __be64 rnid_wwpn; /* N port name */
+ __be64 rnid_wwnn; /* node name */
+};
+
+struct fc_els_rnid_gen {
+ __u8 rnid_vend_id[16]; /* vendor-unique ID */
+ __be32 rnid_atype; /* associated type (see below) */
+ __be32 rnid_phys_port; /* physical port number */
+ __be32 rnid_att_nodes; /* number of attached nodes */
+ __u8 rnid_node_mgmt; /* node management (see below) */
+ __u8 rnid_ip_ver; /* IP version (see below) */
+ __be16 rnid_prot_port; /* UDP / TCP port number */
+ __be32 rnid_ip_addr[4]; /* IP address */
+ __u8 rnid_resvd[2]; /* reserved */
+ __be16 rnid_vend_spec; /* vendor-specific field */
+};
+
+enum fc_els_rnid_atype {
+ ELS_RNIDA_UNK = 0x01, /* unknown */
+ ELS_RNIDA_OTHER = 0x02, /* none of the following */
+ ELS_RNIDA_HUB = 0x03,
+ ELS_RNIDA_SWITCH = 0x04,
+ ELS_RNIDA_GATEWAY = 0x05,
+ ELS_RNIDA_CONV = 0x06, /* Obsolete, do not use this value */
+ ELS_RNIDA_HBA = 0x07, /* Obsolete, do not use this value */
+ ELS_RNIDA_PROXY = 0x08, /* Obsolete, do not use this value */
+ ELS_RNIDA_STORAGE = 0x09,
+ ELS_RNIDA_HOST = 0x0a,
+ ELS_RNIDA_SUBSYS = 0x0b, /* storage subsystem (e.g., RAID) */
+ ELS_RNIDA_ACCESS = 0x0e, /* access device (e.g. media changer) */
+ ELS_RNIDA_NAS = 0x11, /* NAS server */
+ ELS_RNIDA_BRIDGE = 0x12, /* bridge */
+ ELS_RNIDA_VIRT = 0x13, /* virtualization device */
+ ELS_RNIDA_MF = 0xff, /* multifunction device (bits below) */
+ ELS_RNIDA_MF_HUB = 1UL << 31, /* hub */
+ ELS_RNIDA_MF_SW = 1UL << 30, /* switch */
+ ELS_RNIDA_MF_GW = 1UL << 29, /* gateway */
+ ELS_RNIDA_MF_ST = 1UL << 28, /* storage */
+ ELS_RNIDA_MF_HOST = 1UL << 27, /* host */
+ ELS_RNIDA_MF_SUB = 1UL << 26, /* storage subsystem */
+ ELS_RNIDA_MF_ACC = 1UL << 25, /* storage access dev */
+ ELS_RNIDA_MF_WDM = 1UL << 24, /* wavelength division mux */
+ ELS_RNIDA_MF_NAS = 1UL << 23, /* NAS server */
+ ELS_RNIDA_MF_BR = 1UL << 22, /* bridge */
+ ELS_RNIDA_MF_VIRT = 1UL << 21, /* virtualization device */
+};
+
+enum fc_els_rnid_mgmt {
+ ELS_RNIDM_SNMP = 0,
+ ELS_RNIDM_TELNET = 1,
+ ELS_RNIDM_HTTP = 2,
+ ELS_RNIDM_HTTPS = 3,
+ ELS_RNIDM_XML = 4, /* HTTP + XML */
+};
+
+enum fc_els_rnid_ipver {
+ ELS_RNIDIP_NONE = 0, /* no IP support or node mgmt. */
+ ELS_RNIDIP_V4 = 1, /* IPv4 */
+ ELS_RNIDIP_V6 = 2, /* IPv6 */
+};
+
+/*
+ * ELS RPL - Read Port List.
+ */
+struct fc_els_rpl {
+ __u8 rpl_cmd; /* command */
+ __u8 rpl_resv[5]; /* reserved - must be zero */
+ __be16 rpl_max_size; /* maximum response size or zero */
+ __u8 rpl_resv1; /* reserved - must be zero */
+ __u8 rpl_index[3]; /* starting index */
+};
+
+/*
+ * Port number block in RPL response.
+ */
+struct fc_els_pnb {
+ __be32 pnb_phys_pn; /* physical port number */
+ __u8 pnb_resv; /* reserved */
+ __u8 pnb_port_id[3]; /* port ID */
+ __be64 pnb_wwpn; /* port name */
+};
+
+/*
+ * RPL LS_ACC response.
+ */
+struct fc_els_rpl_resp {
+ __u8 rpl_cmd; /* ELS_LS_ACC */
+ __u8 rpl_resv1; /* reserved - must be zero */
+ __be16 rpl_plen; /* payload length */
+ __u8 rpl_resv2; /* reserved - must be zero */
+ __u8 rpl_llen[3]; /* list length */
+ __u8 rpl_resv3; /* reserved - must be zero */
+ __u8 rpl_index[3]; /* starting index */
+ struct fc_els_pnb rpl_pnb[1]; /* variable number of PNBs */
+};
+
+/*
+ * Link Error Status Block.
+ */
+struct fc_els_lesb {
+ __be32 lesb_link_fail; /* link failure count */
+ __be32 lesb_sync_loss; /* loss of synchronization count */
+ __be32 lesb_sig_loss; /* loss of signal count */
+ __be32 lesb_prim_err; /* primitive sequence error count */
+ __be32 lesb_inv_word; /* invalid transmission word count */
+ __be32 lesb_inv_crc; /* invalid CRC count */
+};
+
+/*
+ * ELS RPS - Read Port Status Block request.
+ */
+struct fc_els_rps {
+ __u8 rps_cmd; /* command */
+ __u8 rps_resv[2]; /* reserved - must be zero */
+ __u8 rps_flag; /* flag - see below */
+ __be64 rps_port_spec; /* port selection */
+};
+
+enum fc_els_rps_flag {
+ FC_ELS_RPS_DID = 0x00, /* port identified by D_ID of req. */
+ FC_ELS_RPS_PPN = 0x01, /* port_spec is physical port number */
+ FC_ELS_RPS_WWPN = 0x02, /* port_spec is port WWN */
+};
+
+/*
+ * ELS RPS LS_ACC response.
+ */
+struct fc_els_rps_resp {
+ __u8 rps_cmd; /* command - LS_ACC */
+ __u8 rps_resv[2]; /* reserved - must be zero */
+ __u8 rps_flag; /* flag - see below */
+ __u8 rps_resv2[2]; /* reserved */
+ __be16 rps_status; /* port status - see below */
+ struct fc_els_lesb rps_lesb; /* link error status block */
+};
+
+enum fc_els_rps_resp_flag {
+ FC_ELS_RPS_LPEV = 0x01, /* L_port extension valid */
+};
+
+enum fc_els_rps_resp_status {
+ FC_ELS_RPS_PTP = 1 << 5, /* point-to-point connection */
+ FC_ELS_RPS_LOOP = 1 << 4, /* loop mode */
+ FC_ELS_RPS_FAB = 1 << 3, /* fabric present */
+ FC_ELS_RPS_NO_SIG = 1 << 2, /* loss of signal */
+ FC_ELS_RPS_NO_SYNC = 1 << 1, /* loss of synchronization */
+ FC_ELS_RPS_RESET = 1 << 0, /* in link reset protocol */
+};
+
+/*
+ * ELS LIRR - Link Incident Record Registration request.
+ */
+struct fc_els_lirr {
+ __u8 lirr_cmd; /* command */
+ __u8 lirr_resv[3]; /* reserved - must be zero */
+ __u8 lirr_func; /* registration function */
+ __u8 lirr_fmt; /* FC-4 type of RLIR requested */
+ __u8 lirr_resv2[2]; /* reserved - must be zero */
+};
+
+enum fc_els_lirr_func {
+ ELS_LIRR_SET_COND = 0x01, /* set - conditionally receive */
+ ELS_LIRR_SET_UNCOND = 0x02, /* set - unconditionally receive */
+ ELS_LIRR_CLEAR = 0xff /* clear registration */
+};
+
+/*
+ * ELS SRL - Scan Remote Loop request.
+ */
+struct fc_els_srl {
+ __u8 srl_cmd; /* command */
+ __u8 srl_resv[3]; /* reserved - must be zero */
+ __u8 srl_flag; /* flag - see below */
+ __u8 srl_flag_param[3]; /* flag parameter */
+};
+
+enum fc_els_srl_flag {
+ FC_ELS_SRL_ALL = 0x00, /* scan all FL ports */
+ FC_ELS_SRL_ONE = 0x01, /* scan specified loop */
+ FC_ELS_SRL_EN_PER = 0x02, /* enable periodic scanning (param) */
+ FC_ELS_SRL_DIS_PER = 0x03, /* disable periodic scanning */
+};
+
+/*
+ * ELS RLS - Read Link Error Status Block request.
+ */
+struct fc_els_rls {
+ __u8 rls_cmd; /* command */
+ __u8 rls_resv[4]; /* reserved - must be zero */
+ __u8 rls_port_id[3]; /* port ID */
+};
+
+/*
+ * ELS RLS LS_ACC Response.
+ */
+struct fc_els_rls_resp {
+ __u8 rls_cmd; /* ELS_LS_ACC */
+ __u8 rls_resv[3]; /* reserved - must be zero */
+ struct fc_els_lesb rls_lesb; /* link error status block */
+};
+
+/*
+ * ELS RLIR - Registered Link Incident Report.
+ * This is followed by the CLIR and the CLID, described below.
+ */
+struct fc_els_rlir {
+ __u8 rlir_cmd; /* command */
+ __u8 rlir_resv[3]; /* reserved - must be zero */
+ __u8 rlir_fmt; /* format (FC4-type if type specific) */
+ __u8 rlir_clr_len; /* common link incident record length */
+ __u8 rlir_cld_len; /* common link incident desc. length */
+ __u8 rlir_slr_len; /* spec. link incident record length */
+};
+
+/*
+ * CLIR - Common Link Incident Record Data. - Sent via RLIR.
+ */
+struct fc_els_clir {
+ __be64 clir_wwpn; /* incident port name */
+ __be64 clir_wwnn; /* incident port node name */
+ __u8 clir_port_type; /* incident port type */
+ __u8 clir_port_id[3]; /* incident port ID */
+
+ __be64 clir_conn_wwpn; /* connected port name */
+ __be64 clir_conn_wwnn; /* connected node name */
+ __be64 clir_fab_name; /* fabric name */
+ __be32 clir_phys_port; /* physical port number */
+ __be32 clir_trans_id; /* transaction ID */
+ __u8 clir_resv[3]; /* reserved */
+ __u8 clir_ts_fmt; /* time stamp format */
+ __be64 clir_timestamp; /* time stamp */
+};
+
+/*
+ * CLIR clir_ts_fmt - time stamp format values.
+ */
+enum fc_els_clir_ts_fmt {
+ ELS_CLIR_TS_UNKNOWN = 0, /* time stamp field unknown */
+ ELS_CLIR_TS_SEC_FRAC = 1, /* time in seconds and fractions */
+ ELS_CLIR_TS_CSU = 2, /* time in clock synch update format */
+};
+
+/*
+ * Common Link Incident Descriptor - sent via RLIR.
+ */
+struct fc_els_clid {
+ __u8 clid_iq; /* incident qualifier flags */
+ __u8 clid_ic; /* incident code */
+ __be16 clid_epai; /* domain/area of ISL */
+};
+
+/*
+ * CLID incident qualifier flags.
+ */
+enum fc_els_clid_iq {
+ ELS_CLID_SWITCH = 0x20, /* incident port is a switch node */
+ ELS_CLID_E_PORT = 0x10, /* incident is an ISL (E) port */
+ ELS_CLID_SEV_MASK = 0x0c, /* severity 2-bit field mask */
+ ELS_CLID_SEV_INFO = 0x00, /* report is informational */
+ ELS_CLID_SEV_INOP = 0x08, /* link not operational */
+ ELS_CLID_SEV_DEG = 0x04, /* link degraded but operational */
+ ELS_CLID_LASER = 0x02, /* subassembly is a laser */
+ ELS_CLID_FRU = 0x01, /* format can identify a FRU */
+};
+
+/*
+ * CLID incident code.
+ */
+enum fc_els_clid_ic {
+ ELS_CLID_IC_IMPL = 1, /* implicit incident */
+ ELS_CLID_IC_BER = 2, /* bit-error-rate threshold exceeded */
+ ELS_CLID_IC_LOS = 3, /* loss of synch or signal */
+ ELS_CLID_IC_NOS = 4, /* non-operational primitive sequence */
+ ELS_CLID_IC_PST = 5, /* primitive sequence timeout */
+ ELS_CLID_IC_INVAL = 6, /* invalid primitive sequence */
+ ELS_CLID_IC_LOOP_TO = 7, /* loop initialization time out */
+ ELS_CLID_IC_LIP = 8, /* receiving LIP */
+};
+
+/*
+ * Link Integrity event types
+ */
+enum fc_fpin_li_event_types {
+ FPIN_LI_UNKNOWN = 0x0,
+ FPIN_LI_LINK_FAILURE = 0x1,
+ FPIN_LI_LOSS_OF_SYNC = 0x2,
+ FPIN_LI_LOSS_OF_SIG = 0x3,
+ FPIN_LI_PRIM_SEQ_ERR = 0x4,
+ FPIN_LI_INVALID_TX_WD = 0x5,
+ FPIN_LI_INVALID_CRC = 0x6,
+ FPIN_LI_DEVICE_SPEC = 0xF,
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_FPIN_LI_EVT_TYPES_INIT { \
+ { FPIN_LI_UNKNOWN, "Unknown" }, \
+ { FPIN_LI_LINK_FAILURE, "Link Failure" }, \
+ { FPIN_LI_LOSS_OF_SYNC, "Loss of Synchronization" }, \
+ { FPIN_LI_LOSS_OF_SIG, "Loss of Signal" }, \
+ { FPIN_LI_PRIM_SEQ_ERR, "Primitive Sequence Protocol Error" }, \
+ { FPIN_LI_INVALID_TX_WD, "Invalid Transmission Word" }, \
+ { FPIN_LI_INVALID_CRC, "Invalid CRC" }, \
+ { FPIN_LI_DEVICE_SPEC, "Device Specific" }, \
+}
+
+/*
+ * Delivery event types
+ */
+enum fc_fpin_deli_event_types {
+ FPIN_DELI_UNKNOWN = 0x0,
+ FPIN_DELI_TIMEOUT = 0x1,
+ FPIN_DELI_UNABLE_TO_ROUTE = 0x2,
+ FPIN_DELI_DEVICE_SPEC = 0xF,
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_FPIN_DELI_EVT_TYPES_INIT { \
+ { FPIN_DELI_UNKNOWN, "Unknown" }, \
+ { FPIN_DELI_TIMEOUT, "Timeout" }, \
+ { FPIN_DELI_UNABLE_TO_ROUTE, "Unable to Route" }, \
+ { FPIN_DELI_DEVICE_SPEC, "Device Specific" }, \
+}
+
+/*
+ * Congestion event types
+ */
+enum fc_fpin_congn_event_types {
+ FPIN_CONGN_CLEAR = 0x0,
+ FPIN_CONGN_LOST_CREDIT = 0x1,
+ FPIN_CONGN_CREDIT_STALL = 0x2,
+ FPIN_CONGN_OVERSUBSCRIPTION = 0x3,
+ FPIN_CONGN_DEVICE_SPEC = 0xF,
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_FPIN_CONGN_EVT_TYPES_INIT { \
+ { FPIN_CONGN_CLEAR, "Clear" }, \
+ { FPIN_CONGN_LOST_CREDIT, "Lost Credit" }, \
+ { FPIN_CONGN_CREDIT_STALL, "Credit Stall" }, \
+ { FPIN_CONGN_OVERSUBSCRIPTION, "Oversubscription" }, \
+ { FPIN_CONGN_DEVICE_SPEC, "Device Specific" }, \
+}
+
+enum fc_fpin_congn_severity_types {
+ FPIN_CONGN_SEVERITY_WARNING = 0xF1,
+ FPIN_CONGN_SEVERITY_ERROR = 0xF7,
+};
+
+/*
+ * Link Integrity Notification Descriptor
+ */
+struct fc_fn_li_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x00020001) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be64 detecting_wwpn; /* Port Name that detected event */
+ __be64 attached_wwpn; /* Port Name of device attached to
+ * detecting Port Name
+ */
+ __be16 event_type; /* see enum fc_fpin_li_event_types */
+ __be16 event_modifier; /* Implementation specific value
+ * describing the event type
+ */
+ __be32 event_threshold;/* duration in ms of the link
+ * integrity detection cycle
+ */
+ __be32 event_count; /* minimum number of event
+ * occurrences during the event
+ * threshold to caause the LI event
+ */
+ __be32 pname_count; /* number of portname_list elements */
+ __be64 pname_list[]; /* list of N_Port_Names accessible
+ * through the attached port
+ */
+};
+
+/*
+ * Delivery Notification Descriptor
+ */
+struct fc_fn_deli_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x00020002) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be64 detecting_wwpn; /* Port Name that detected event */
+ __be64 attached_wwpn; /* Port Name of device attached to
+ * detecting Port Name
+ */
+ __be32 deli_reason_code;/* see enum fc_fpin_deli_event_types */
+};
+
+/*
+ * Peer Congestion Notification Descriptor
+ */
+struct fc_fn_peer_congn_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x00020003) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be64 detecting_wwpn; /* Port Name that detected event */
+ __be64 attached_wwpn; /* Port Name of device attached to
+ * detecting Port Name
+ */
+ __be16 event_type; /* see enum fc_fpin_congn_event_types */
+ __be16 event_modifier; /* Implementation specific value
+ * describing the event type
+ */
+ __be32 event_period; /* duration (ms) of the detected
+ * congestion event
+ */
+ __be32 pname_count; /* number of portname_list elements */
+ __be64 pname_list[]; /* list of N_Port_Names accessible
+ * through the attached port
+ */
+};
+
+/*
+ * Congestion Notification Descriptor
+ */
+struct fc_fn_congn_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x00020004) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be16 event_type; /* see enum fc_fpin_congn_event_types */
+ __be16 event_modifier; /* Implementation specific value
+ * describing the event type
+ */
+ __be32 event_period; /* duration (ms) of the detected
+ * congestion event
+ */
+ __u8 severity; /* command */
+ __u8 resv[3]; /* reserved - must be zero */
+};
+
+/*
+ * ELS_FPIN - Fabric Performance Impact Notification
+ */
+struct fc_els_fpin {
+ __u8 fpin_cmd; /* command (0x16) */
+ __u8 fpin_zero[3]; /* specified as zero - part of cmd */
+ __be32 desc_len; /* Length of Descriptor List (in bytes).
+ * Size of ELS excluding fpin_cmd,
+ * fpin_zero and desc_len fields.
+ */
+ struct fc_tlv_desc fpin_desc[]; /* Descriptor list */
+};
+
+/* Diagnostic Function Descriptor - FPIN Registration */
+struct fc_df_desc_fpin_reg {
+ __be32 desc_tag; /* FPIN Registration (0x00030001) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ */
+ __be32 count; /* Number of desc_tags elements */
+ __be32 desc_tags[]; /* Array of Descriptor Tags.
+ * Each tag indicates a function
+ * supported by the N_Port (request)
+ * or by the N_Port and Fabric
+ * Controller (reply; may be a subset
+ * of the request).
+ * See ELS_FN_DTAG_xxx for tag values.
+ */
+};
+
+/*
+ * ELS_RDF - Register Diagnostic Functions
+ */
+struct fc_els_rdf {
+ __u8 fpin_cmd; /* command (0x19) */
+ __u8 fpin_zero[3]; /* specified as zero - part of cmd */
+ __be32 desc_len; /* Length of Descriptor List (in bytes).
+ * Size of ELS excluding fpin_cmd,
+ * fpin_zero and desc_len fields.
+ */
+ struct fc_tlv_desc desc[]; /* Descriptor list */
+};
+
+/*
+ * ELS RDF LS_ACC Response.
+ */
+struct fc_els_rdf_resp {
+ struct fc_els_ls_acc acc_hdr;
+ __be32 desc_list_len; /* Length of response (in
+ * bytes). Excludes acc_hdr
+ * and desc_list_len fields.
+ */
+ struct fc_els_lsri_desc lsri;
+ struct fc_tlv_desc desc[]; /* Supported Descriptor list */
+};
+
+
+/*
+ * Diagnostic Capability Descriptors for EDC ELS
+ */
+
+/*
+ * Diagnostic: Link Fault Capability Descriptor
+ */
+struct fc_diag_lnkflt_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x0001000D) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ * 12 bytes
+ */
+ __be32 degrade_activate_threshold;
+ __be32 degrade_deactivate_threshold;
+ __be32 fec_degrade_interval;
+};
+
+enum fc_edc_cg_signal_cap_types {
+ /* Note: Capability: bits 31:4 Rsvd; bits 3:0 are capabilities */
+ EDC_CG_SIG_NOTSUPPORTED = 0x00, /* neither supported */
+ EDC_CG_SIG_WARN_ONLY = 0x01,
+ EDC_CG_SIG_WARN_ALARM = 0x02, /* both supported */
+};
+
+/*
+ * Initializer useful for decoding table.
+ * Please keep this in sync with the above definitions.
+ */
+#define FC_EDC_CG_SIGNAL_CAP_TYPES_INIT { \
+ { EDC_CG_SIG_NOTSUPPORTED, "Signaling Not Supported" }, \
+ { EDC_CG_SIG_WARN_ONLY, "Warning Signal" }, \
+ { EDC_CG_SIG_WARN_ALARM, "Warning and Alarm Signals" }, \
+}
+
+enum fc_diag_cg_sig_freq_types {
+ EDC_CG_SIGFREQ_CNT_MIN = 1, /* Min Frequency Count */
+ EDC_CG_SIGFREQ_CNT_MAX = 999, /* Max Frequency Count */
+
+ EDC_CG_SIGFREQ_SEC = 0x1, /* Units: seconds */
+ EDC_CG_SIGFREQ_MSEC = 0x2, /* Units: milliseconds */
+};
+
+struct fc_diag_cg_sig_freq {
+ __be16 count; /* Time between signals
+ * note: upper 6 bits rsvd
+ */
+ __be16 units; /* Time unit for count
+ * note: upper 12 bits rsvd
+ */
+};
+
+/*
+ * Diagnostic: Congestion Signaling Capability Descriptor
+ */
+struct fc_diag_cg_sig_desc {
+ __be32 desc_tag; /* Descriptor Tag (0x0001000F) */
+ __be32 desc_len; /* Length of Descriptor (in bytes).
+ * Size of descriptor excluding
+ * desc_tag and desc_len fields.
+ * 16 bytes
+ */
+ __be32 xmt_signal_capability;
+ struct fc_diag_cg_sig_freq xmt_signal_frequency;
+ __be32 rcv_signal_capability;
+ struct fc_diag_cg_sig_freq rcv_signal_frequency;
+};
+
+/*
+ * ELS_EDC - Exchange Diagnostic Capabilities
+ */
+struct fc_els_edc {
+ __u8 edc_cmd; /* command (0x17) */
+ __u8 edc_zero[3]; /* specified as zero - part of cmd */
+ __be32 desc_len; /* Length of Descriptor List (in bytes).
+ * Size of ELS excluding edc_cmd,
+ * edc_zero and desc_len fields.
+ */
+ struct fc_tlv_desc desc[];
+ /* Diagnostic Descriptor list */
+};
+
+/*
+ * ELS EDC LS_ACC Response.
+ */
+struct fc_els_edc_resp {
+ struct fc_els_ls_acc acc_hdr;
+ __be32 desc_list_len; /* Length of response (in
+ * bytes). Excludes acc_hdr
+ * and desc_list_len fields.
+ */
+ struct fc_els_lsri_desc lsri;
+ struct fc_tlv_desc desc[];
+ /* Supported Diagnostic Descriptor list */
+};
+
+
+#endif /* _FC_ELS_H_ */
diff --git a/include/uapi/scsi/fc/fc_fs.h b/include/uapi/scsi/fc/fc_fs.h
new file mode 100644
index 0000000000..0dab49dbb2
--- /dev/null
+++ b/include/uapi/scsi/fc/fc_fs.h
@@ -0,0 +1,338 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright(c) 2007 Intel Corporation. All rights reserved.
+ *
+ * Maintained at www.Open-FCoE.org
+ */
+
+#ifndef _FC_FS_H_
+#define _FC_FS_H_
+
+#include <linux/types.h>
+
+/*
+ * Fibre Channel Framing and Signalling definitions.
+ * From T11 FC-FS-2 Rev 0.90 - 9 August 2005.
+ */
+
+/*
+ * Frame header
+ */
+struct fc_frame_header {
+ __u8 fh_r_ctl; /* routing control */
+ __u8 fh_d_id[3]; /* Destination ID */
+
+ __u8 fh_cs_ctl; /* class of service control / pri */
+ __u8 fh_s_id[3]; /* Source ID */
+
+ __u8 fh_type; /* see enum fc_fh_type below */
+ __u8 fh_f_ctl[3]; /* frame control */
+
+ __u8 fh_seq_id; /* sequence ID */
+ __u8 fh_df_ctl; /* data field control */
+ __be16 fh_seq_cnt; /* sequence count */
+
+ __be16 fh_ox_id; /* originator exchange ID */
+ __be16 fh_rx_id; /* responder exchange ID */
+ __be32 fh_parm_offset; /* parameter or relative offset */
+};
+
+#define FC_FRAME_HEADER_LEN 24 /* expected length of structure */
+
+#define FC_MAX_PAYLOAD 2112U /* max payload length in bytes */
+#define FC_MIN_MAX_PAYLOAD 256U /* lower limit on max payload */
+
+#define FC_MAX_FRAME (FC_MAX_PAYLOAD + FC_FRAME_HEADER_LEN)
+#define FC_MIN_MAX_FRAME (FC_MIN_MAX_PAYLOAD + FC_FRAME_HEADER_LEN)
+
+/*
+ * fh_r_ctl - Routing control definitions.
+ */
+ /*
+ * FC-4 device_data.
+ */
+enum fc_rctl {
+ FC_RCTL_DD_UNCAT = 0x00, /* uncategorized information */
+ FC_RCTL_DD_SOL_DATA = 0x01, /* solicited data */
+ FC_RCTL_DD_UNSOL_CTL = 0x02, /* unsolicited control */
+ FC_RCTL_DD_SOL_CTL = 0x03, /* solicited control or reply */
+ FC_RCTL_DD_UNSOL_DATA = 0x04, /* unsolicited data */
+ FC_RCTL_DD_DATA_DESC = 0x05, /* data descriptor */
+ FC_RCTL_DD_UNSOL_CMD = 0x06, /* unsolicited command */
+ FC_RCTL_DD_CMD_STATUS = 0x07, /* command status */
+
+#define FC_RCTL_ILS_REQ FC_RCTL_DD_UNSOL_CTL /* ILS request */
+#define FC_RCTL_ILS_REP FC_RCTL_DD_SOL_CTL /* ILS reply */
+
+ /*
+ * Extended Link_Data
+ */
+ FC_RCTL_ELS_REQ = 0x22, /* extended link services request */
+ FC_RCTL_ELS_REP = 0x23, /* extended link services reply */
+ FC_RCTL_ELS4_REQ = 0x32, /* FC-4 ELS request */
+ FC_RCTL_ELS4_REP = 0x33, /* FC-4 ELS reply */
+ /*
+ * Optional Extended Headers
+ */
+ FC_RCTL_VFTH = 0x50, /* virtual fabric tagging header */
+ FC_RCTL_IFRH = 0x51, /* inter-fabric routing header */
+ FC_RCTL_ENCH = 0x52, /* encapsulation header */
+ /*
+ * Basic Link Services fh_r_ctl values.
+ */
+ FC_RCTL_BA_NOP = 0x80, /* basic link service NOP */
+ FC_RCTL_BA_ABTS = 0x81, /* basic link service abort */
+ FC_RCTL_BA_RMC = 0x82, /* remove connection */
+ FC_RCTL_BA_ACC = 0x84, /* basic accept */
+ FC_RCTL_BA_RJT = 0x85, /* basic reject */
+ FC_RCTL_BA_PRMT = 0x86, /* dedicated connection preempted */
+ /*
+ * Link Control Information.
+ */
+ FC_RCTL_ACK_1 = 0xc0, /* acknowledge_1 */
+ FC_RCTL_ACK_0 = 0xc1, /* acknowledge_0 */
+ FC_RCTL_P_RJT = 0xc2, /* port reject */
+ FC_RCTL_F_RJT = 0xc3, /* fabric reject */
+ FC_RCTL_P_BSY = 0xc4, /* port busy */
+ FC_RCTL_F_BSY = 0xc5, /* fabric busy to data frame */
+ FC_RCTL_F_BSYL = 0xc6, /* fabric busy to link control frame */
+ FC_RCTL_LCR = 0xc7, /* link credit reset */
+ FC_RCTL_END = 0xc9, /* end */
+};
+ /* incomplete list of definitions */
+
+/*
+ * R_CTL names initializer.
+ * Please keep this matching the above definitions.
+ */
+#define FC_RCTL_NAMES_INIT { \
+ [FC_RCTL_DD_UNCAT] = "uncat", \
+ [FC_RCTL_DD_SOL_DATA] = "sol data", \
+ [FC_RCTL_DD_UNSOL_CTL] = "unsol ctl", \
+ [FC_RCTL_DD_SOL_CTL] = "sol ctl/reply", \
+ [FC_RCTL_DD_UNSOL_DATA] = "unsol data", \
+ [FC_RCTL_DD_DATA_DESC] = "data desc", \
+ [FC_RCTL_DD_UNSOL_CMD] = "unsol cmd", \
+ [FC_RCTL_DD_CMD_STATUS] = "cmd status", \
+ [FC_RCTL_ELS_REQ] = "ELS req", \
+ [FC_RCTL_ELS_REP] = "ELS rep", \
+ [FC_RCTL_ELS4_REQ] = "FC-4 ELS req", \
+ [FC_RCTL_ELS4_REP] = "FC-4 ELS rep", \
+ [FC_RCTL_BA_NOP] = "BLS NOP", \
+ [FC_RCTL_BA_ABTS] = "BLS abort", \
+ [FC_RCTL_BA_RMC] = "BLS remove connection", \
+ [FC_RCTL_BA_ACC] = "BLS accept", \
+ [FC_RCTL_BA_RJT] = "BLS reject", \
+ [FC_RCTL_BA_PRMT] = "BLS dedicated connection preempted", \
+ [FC_RCTL_ACK_1] = "LC ACK_1", \
+ [FC_RCTL_ACK_0] = "LC ACK_0", \
+ [FC_RCTL_P_RJT] = "LC port reject", \
+ [FC_RCTL_F_RJT] = "LC fabric reject", \
+ [FC_RCTL_P_BSY] = "LC port busy", \
+ [FC_RCTL_F_BSY] = "LC fabric busy to data frame", \
+ [FC_RCTL_F_BSYL] = "LC fabric busy to link control frame",\
+ [FC_RCTL_LCR] = "LC link credit reset", \
+ [FC_RCTL_END] = "LC end", \
+}
+
+/*
+ * Well-known fabric addresses.
+ */
+enum fc_well_known_fid {
+ FC_FID_NONE = 0x000000, /* No destination */
+ FC_FID_BCAST = 0xffffff, /* broadcast */
+ FC_FID_FLOGI = 0xfffffe, /* fabric login */
+ FC_FID_FCTRL = 0xfffffd, /* fabric controller */
+ FC_FID_DIR_SERV = 0xfffffc, /* directory server */
+ FC_FID_TIME_SERV = 0xfffffb, /* time server */
+ FC_FID_MGMT_SERV = 0xfffffa, /* management server */
+ FC_FID_QOS = 0xfffff9, /* QoS Facilitator */
+ FC_FID_ALIASES = 0xfffff8, /* alias server (FC-PH2) */
+ FC_FID_SEC_KEY = 0xfffff7, /* Security key dist. server */
+ FC_FID_CLOCK = 0xfffff6, /* clock synch server */
+ FC_FID_MCAST_SERV = 0xfffff5, /* multicast server */
+};
+
+#define FC_FID_WELL_KNOWN_MAX 0xffffff /* highest well-known fabric ID */
+#define FC_FID_WELL_KNOWN_BASE 0xfffff5 /* start of well-known fabric ID */
+
+/*
+ * Other well-known addresses, outside the above contiguous range.
+ */
+#define FC_FID_DOM_MGR 0xfffc00 /* domain manager base */
+
+/*
+ * Fabric ID bytes.
+ */
+#define FC_FID_DOMAIN 0
+#define FC_FID_PORT 1
+#define FC_FID_LINK 2
+
+/*
+ * fh_type codes
+ */
+enum fc_fh_type {
+ FC_TYPE_BLS = 0x00, /* basic link service */
+ FC_TYPE_ELS = 0x01, /* extended link service */
+ FC_TYPE_IP = 0x05, /* IP over FC, RFC 4338 */
+ FC_TYPE_FCP = 0x08, /* SCSI FCP */
+ FC_TYPE_CT = 0x20, /* Fibre Channel Services (FC-CT) */
+ FC_TYPE_ILS = 0x22, /* internal link service */
+ FC_TYPE_NVME = 0x28, /* FC-NVME */
+};
+
+/*
+ * FC_TYPE names initializer.
+ * Please keep this matching the above definitions.
+ */
+#define FC_TYPE_NAMES_INIT { \
+ [FC_TYPE_BLS] = "BLS", \
+ [FC_TYPE_ELS] = "ELS", \
+ [FC_TYPE_IP] = "IP", \
+ [FC_TYPE_FCP] = "FCP", \
+ [FC_TYPE_CT] = "CT", \
+ [FC_TYPE_ILS] = "ILS", \
+ [FC_TYPE_NVME] = "NVME", \
+}
+
+/*
+ * Exchange IDs.
+ */
+#define FC_XID_UNKNOWN 0xffff /* unknown exchange ID */
+#define FC_XID_MIN 0x0 /* supported min exchange ID */
+#define FC_XID_MAX 0xfffe /* supported max exchange ID */
+
+/*
+ * fh_f_ctl - Frame control flags.
+ */
+#define FC_FC_EX_CTX (1 << 23) /* sent by responder to exchange */
+#define FC_FC_SEQ_CTX (1 << 22) /* sent by responder to sequence */
+#define FC_FC_FIRST_SEQ (1 << 21) /* first sequence of this exchange */
+#define FC_FC_LAST_SEQ (1 << 20) /* last sequence of this exchange */
+#define FC_FC_END_SEQ (1 << 19) /* last frame of sequence */
+#define FC_FC_END_CONN (1 << 18) /* end of class 1 connection pending */
+#define FC_FC_RES_B17 (1 << 17) /* reserved */
+#define FC_FC_SEQ_INIT (1 << 16) /* transfer of sequence initiative */
+#define FC_FC_X_ID_REASS (1 << 15) /* exchange ID has been changed */
+#define FC_FC_X_ID_INVAL (1 << 14) /* exchange ID invalidated */
+
+#define FC_FC_ACK_1 (1 << 12) /* 13:12 = 1: ACK_1 expected */
+#define FC_FC_ACK_N (2 << 12) /* 13:12 = 2: ACK_N expected */
+#define FC_FC_ACK_0 (3 << 12) /* 13:12 = 3: ACK_0 expected */
+
+#define FC_FC_RES_B11 (1 << 11) /* reserved */
+#define FC_FC_RES_B10 (1 << 10) /* reserved */
+#define FC_FC_RETX_SEQ (1 << 9) /* retransmitted sequence */
+#define FC_FC_UNI_TX (1 << 8) /* unidirectional transmit (class 1) */
+#define FC_FC_CONT_SEQ(i) ((i) << 6)
+#define FC_FC_ABT_SEQ(i) ((i) << 4)
+#define FC_FC_REL_OFF (1 << 3) /* parameter is relative offset */
+#define FC_FC_RES2 (1 << 2) /* reserved */
+#define FC_FC_FILL(i) ((i) & 3) /* 1:0: bytes of trailing fill */
+
+/*
+ * BA_ACC payload.
+ */
+struct fc_ba_acc {
+ __u8 ba_seq_id_val; /* SEQ_ID validity */
+#define FC_BA_SEQ_ID_VAL 0x80
+ __u8 ba_seq_id; /* SEQ_ID of seq last deliverable */
+ __u8 ba_resvd[2]; /* reserved */
+ __be16 ba_ox_id; /* OX_ID for aborted seq or exch */
+ __be16 ba_rx_id; /* RX_ID for aborted seq or exch */
+ __be16 ba_low_seq_cnt; /* low SEQ_CNT of aborted seq */
+ __be16 ba_high_seq_cnt; /* high SEQ_CNT of aborted seq */
+};
+
+/*
+ * BA_RJT: Basic Reject payload.
+ */
+struct fc_ba_rjt {
+ __u8 br_resvd; /* reserved */
+ __u8 br_reason; /* reason code */
+ __u8 br_explan; /* reason explanation */
+ __u8 br_vendor; /* vendor unique code */
+};
+
+/*
+ * BA_RJT reason codes.
+ * From FS-2.
+ */
+enum fc_ba_rjt_reason {
+ FC_BA_RJT_NONE = 0, /* in software this means no reject */
+ FC_BA_RJT_INVL_CMD = 0x01, /* invalid command code */
+ FC_BA_RJT_LOG_ERR = 0x03, /* logical error */
+ FC_BA_RJT_LOG_BUSY = 0x05, /* logical busy */
+ FC_BA_RJT_PROTO_ERR = 0x07, /* protocol error */
+ FC_BA_RJT_UNABLE = 0x09, /* unable to perform request */
+ FC_BA_RJT_VENDOR = 0xff, /* vendor-specific (see br_vendor) */
+};
+
+/*
+ * BA_RJT reason code explanations.
+ */
+enum fc_ba_rjt_explan {
+ FC_BA_RJT_EXP_NONE = 0x00, /* no additional expanation */
+ FC_BA_RJT_INV_XID = 0x03, /* invalid OX_ID-RX_ID combination */
+ FC_BA_RJT_ABT = 0x05, /* sequence aborted, no seq info */
+};
+
+/*
+ * P_RJT or F_RJT: Port Reject or Fabric Reject parameter field.
+ */
+struct fc_pf_rjt {
+ __u8 rj_action; /* reserved */
+ __u8 rj_reason; /* reason code */
+ __u8 rj_resvd; /* reserved */
+ __u8 rj_vendor; /* vendor unique code */
+};
+
+/*
+ * P_RJT and F_RJT reject reason codes.
+ */
+enum fc_pf_rjt_reason {
+ FC_RJT_NONE = 0, /* non-reject (reserved by standard) */
+ FC_RJT_INVL_DID = 0x01, /* invalid destination ID */
+ FC_RJT_INVL_SID = 0x02, /* invalid source ID */
+ FC_RJT_P_UNAV_T = 0x03, /* port unavailable, temporary */
+ FC_RJT_P_UNAV = 0x04, /* port unavailable, permanent */
+ FC_RJT_CLS_UNSUP = 0x05, /* class not supported */
+ FC_RJT_DEL_USAGE = 0x06, /* delimiter usage error */
+ FC_RJT_TYPE_UNSUP = 0x07, /* type not supported */
+ FC_RJT_LINK_CTL = 0x08, /* invalid link control */
+ FC_RJT_R_CTL = 0x09, /* invalid R_CTL field */
+ FC_RJT_F_CTL = 0x0a, /* invalid F_CTL field */
+ FC_RJT_OX_ID = 0x0b, /* invalid originator exchange ID */
+ FC_RJT_RX_ID = 0x0c, /* invalid responder exchange ID */
+ FC_RJT_SEQ_ID = 0x0d, /* invalid sequence ID */
+ FC_RJT_DF_CTL = 0x0e, /* invalid DF_CTL field */
+ FC_RJT_SEQ_CNT = 0x0f, /* invalid SEQ_CNT field */
+ FC_RJT_PARAM = 0x10, /* invalid parameter field */
+ FC_RJT_EXCH_ERR = 0x11, /* exchange error */
+ FC_RJT_PROTO = 0x12, /* protocol error */
+ FC_RJT_LEN = 0x13, /* incorrect length */
+ FC_RJT_UNEXP_ACK = 0x14, /* unexpected ACK */
+ FC_RJT_FAB_CLASS = 0x15, /* class unsupported by fabric entity */
+ FC_RJT_LOGI_REQ = 0x16, /* login required */
+ FC_RJT_SEQ_XS = 0x17, /* excessive sequences attempted */
+ FC_RJT_EXCH_EST = 0x18, /* unable to establish exchange */
+ FC_RJT_FAB_UNAV = 0x1a, /* fabric unavailable */
+ FC_RJT_VC_ID = 0x1b, /* invalid VC_ID (class 4) */
+ FC_RJT_CS_CTL = 0x1c, /* invalid CS_CTL field */
+ FC_RJT_INSUF_RES = 0x1d, /* insuff. resources for VC (Class 4) */
+ FC_RJT_INVL_CLS = 0x1f, /* invalid class of service */
+ FC_RJT_PREEMT_RJT = 0x20, /* preemption request rejected */
+ FC_RJT_PREEMT_DIS = 0x21, /* preemption not enabled */
+ FC_RJT_MCAST_ERR = 0x22, /* multicast error */
+ FC_RJT_MCAST_ET = 0x23, /* multicast error terminate */
+ FC_RJT_PRLI_REQ = 0x24, /* process login required */
+ FC_RJT_INVL_ATT = 0x25, /* invalid attachment */
+ FC_RJT_VENDOR = 0xff, /* vendor specific reject */
+};
+
+/* default timeout values */
+
+#define FC_DEF_E_D_TOV 2000UL
+#define FC_DEF_R_A_TOV 10000UL
+
+#endif /* _FC_FS_H_ */
diff --git a/include/uapi/scsi/fc/fc_gs.h b/include/uapi/scsi/fc/fc_gs.h
new file mode 100644
index 0000000000..effb4c662f
--- /dev/null
+++ b/include/uapi/scsi/fc/fc_gs.h
@@ -0,0 +1,84 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright(c) 2007 Intel Corporation. All rights reserved.
+ *
+ * Maintained at www.Open-FCoE.org
+ */
+
+#ifndef _FC_GS_H_
+#define _FC_GS_H_
+
+#include <linux/types.h>
+
+/*
+ * Fibre Channel Services - Common Transport.
+ * From T11.org FC-GS-2 Rev 5.3 November 1998.
+ */
+
+struct fc_ct_hdr {
+ __u8 ct_rev; /* revision */
+ __u8 ct_in_id[3]; /* N_Port ID of original requestor */
+ __u8 ct_fs_type; /* type of fibre channel service */
+ __u8 ct_fs_subtype; /* subtype */
+ __u8 ct_options;
+ __u8 _ct_resvd1;
+ __be16 ct_cmd; /* command / response code */
+ __be16 ct_mr_size; /* maximum / residual size */
+ __u8 _ct_resvd2;
+ __u8 ct_reason; /* reject reason */
+ __u8 ct_explan; /* reason code explanation */
+ __u8 ct_vendor; /* vendor unique data */
+};
+
+#define FC_CT_HDR_LEN 16 /* expected sizeof (struct fc_ct_hdr) */
+
+enum fc_ct_rev {
+ FC_CT_REV = 1 /* common transport revision */
+};
+
+/*
+ * ct_fs_type values.
+ */
+enum fc_ct_fs_type {
+ FC_FST_ALIAS = 0xf8, /* alias service */
+ FC_FST_MGMT = 0xfa, /* management service */
+ FC_FST_TIME = 0xfb, /* time service */
+ FC_FST_DIR = 0xfc, /* directory service */
+};
+
+/*
+ * ct_cmd: Command / response codes
+ */
+enum fc_ct_cmd {
+ FC_FS_RJT = 0x8001, /* reject */
+ FC_FS_ACC = 0x8002, /* accept */
+};
+
+/*
+ * FS_RJT reason codes.
+ */
+enum fc_ct_reason {
+ FC_FS_RJT_CMD = 0x01, /* invalid command code */
+ FC_FS_RJT_VER = 0x02, /* invalid version level */
+ FC_FS_RJT_LOG = 0x03, /* logical error */
+ FC_FS_RJT_IUSIZ = 0x04, /* invalid IU size */
+ FC_FS_RJT_BSY = 0x05, /* logical busy */
+ FC_FS_RJT_PROTO = 0x07, /* protocol error */
+ FC_FS_RJT_UNABL = 0x09, /* unable to perform command request */
+ FC_FS_RJT_UNSUP = 0x0b, /* command not supported */
+};
+
+/*
+ * FS_RJT reason code explanations.
+ */
+enum fc_ct_explan {
+ FC_FS_EXP_NONE = 0x00, /* no additional explanation */
+ FC_FS_EXP_PID = 0x01, /* port ID not registered */
+ FC_FS_EXP_PNAM = 0x02, /* port name not registered */
+ FC_FS_EXP_NNAM = 0x03, /* node name not registered */
+ FC_FS_EXP_COS = 0x04, /* class of service not registered */
+ FC_FS_EXP_FTNR = 0x07, /* FC-4 types not registered */
+ /* definitions not complete */
+};
+
+#endif /* _FC_GS_H_ */
diff --git a/include/uapi/scsi/fc/fc_ns.h b/include/uapi/scsi/fc/fc_ns.h
new file mode 100644
index 0000000000..4cf0a40a09
--- /dev/null
+++ b/include/uapi/scsi/fc/fc_ns.h
@@ -0,0 +1,196 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Copyright(c) 2007 Intel Corporation. All rights reserved.
+ *
+ * Maintained at www.Open-FCoE.org
+ */
+
+#ifndef _FC_NS_H_
+#define _FC_NS_H_
+
+#include <linux/types.h>
+
+/*
+ * Fibre Channel Services - Name Service (dNS)
+ * From T11.org FC-GS-2 Rev 5.3 November 1998.
+ */
+
+/*
+ * Common-transport sub-type for Name Server.
+ */
+#define FC_NS_SUBTYPE 2 /* fs_ct_hdr.ct_fs_subtype */
+
+/*
+ * Name server Requests.
+ * Note: this is an incomplete list, some unused requests are omitted.
+ */
+enum fc_ns_req {
+ FC_NS_GA_NXT = 0x0100, /* get all next */
+ FC_NS_GI_A = 0x0101, /* get identifiers - scope */
+ FC_NS_GPN_ID = 0x0112, /* get port name by ID */
+ FC_NS_GNN_ID = 0x0113, /* get node name by ID */
+ FC_NS_GSPN_ID = 0x0118, /* get symbolic port name */
+ FC_NS_GID_PN = 0x0121, /* get ID for port name */
+ FC_NS_GID_NN = 0x0131, /* get IDs for node name */
+ FC_NS_GID_FT = 0x0171, /* get IDs by FC4 type */
+ FC_NS_GPN_FT = 0x0172, /* get port names by FC4 type */
+ FC_NS_GID_PT = 0x01a1, /* get IDs by port type */
+ FC_NS_RPN_ID = 0x0212, /* reg port name for ID */
+ FC_NS_RNN_ID = 0x0213, /* reg node name for ID */
+ FC_NS_RFT_ID = 0x0217, /* reg FC4 type for ID */
+ FC_NS_RSPN_ID = 0x0218, /* reg symbolic port name */
+ FC_NS_RFF_ID = 0x021f, /* reg FC4 Features for ID */
+ FC_NS_RSNN_NN = 0x0239, /* reg symbolic node name */
+};
+
+/*
+ * Port type values.
+ */
+enum fc_ns_pt {
+ FC_NS_UNID_PORT = 0x00, /* unidentified */
+ FC_NS_N_PORT = 0x01, /* N port */
+ FC_NS_NL_PORT = 0x02, /* NL port */
+ FC_NS_FNL_PORT = 0x03, /* F/NL port */
+ FC_NS_NX_PORT = 0x7f, /* Nx port */
+ FC_NS_F_PORT = 0x81, /* F port */
+ FC_NS_FL_PORT = 0x82, /* FL port */
+ FC_NS_E_PORT = 0x84, /* E port */
+ FC_NS_B_PORT = 0x85, /* B port */
+};
+
+/*
+ * Port type object.
+ */
+struct fc_ns_pt_obj {
+ __u8 pt_type;
+};
+
+/*
+ * Port ID object
+ */
+struct fc_ns_fid {
+ __u8 fp_flags; /* flags for responses only */
+ __u8 fp_fid[3];
+};
+
+/*
+ * fp_flags in port ID object, for responses only.
+ */
+#define FC_NS_FID_LAST 0x80 /* last object */
+
+/*
+ * FC4-types object.
+ */
+#define FC_NS_TYPES 256 /* number of possible FC-4 types */
+#define FC_NS_BPW 32 /* bits per word in bitmap */
+
+struct fc_ns_fts {
+ __be32 ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */
+};
+
+/*
+ * FC4-features object.
+ */
+struct fc_ns_ff {
+ __be32 fd_feat[FC_NS_TYPES * 4 / FC_NS_BPW]; /* 4-bits per FC-type */
+};
+
+/*
+ * GID_PT request.
+ */
+struct fc_ns_gid_pt {
+ __u8 fn_pt_type;
+ __u8 fn_domain_id_scope;
+ __u8 fn_area_id_scope;
+ __u8 fn_resvd;
+};
+
+/*
+ * GID_FT or GPN_FT request.
+ */
+struct fc_ns_gid_ft {
+ __u8 fn_resvd;
+ __u8 fn_domain_id_scope;
+ __u8 fn_area_id_scope;
+ __u8 fn_fc4_type;
+};
+
+/*
+ * GPN_FT response.
+ */
+struct fc_gpn_ft_resp {
+ __u8 fp_flags; /* see fp_flags definitions above */
+ __u8 fp_fid[3]; /* port ID */
+ __be32 fp_resvd;
+ __be64 fp_wwpn; /* port name */
+};
+
+/*
+ * GID_PN request
+ */
+struct fc_ns_gid_pn {
+ __be64 fn_wwpn; /* port name */
+};
+
+/*
+ * GID_PN response or GSPN_ID request
+ */
+struct fc_gid_pn_resp {
+ __u8 fp_resvd;
+ __u8 fp_fid[3]; /* port ID */
+};
+
+/*
+ * GSPN_ID response
+ */
+struct fc_gspn_resp {
+ __u8 fp_name_len;
+ char fp_name[];
+};
+
+/*
+ * RFT_ID request - register FC-4 types for ID.
+ */
+struct fc_ns_rft_id {
+ struct fc_ns_fid fr_fid; /* port ID object */
+ struct fc_ns_fts fr_fts; /* FC-4 types object */
+};
+
+/*
+ * RPN_ID request - register port name for ID.
+ * RNN_ID request - register node name for ID.
+ */
+struct fc_ns_rn_id {
+ struct fc_ns_fid fr_fid; /* port ID object */
+ __be64 fr_wwn; /* node name or port name */
+} __attribute__((__packed__));
+
+/*
+ * RSNN_NN request - register symbolic node name
+ */
+struct fc_ns_rsnn {
+ __be64 fr_wwn; /* node name */
+ __u8 fr_name_len;
+ char fr_name[];
+} __attribute__((__packed__));
+
+/*
+ * RSPN_ID request - register symbolic port name
+ */
+struct fc_ns_rspn {
+ struct fc_ns_fid fr_fid; /* port ID object */
+ __u8 fr_name_len;
+ char fr_name[];
+} __attribute__((__packed__));
+
+/*
+ * RFF_ID request - register FC-4 Features for ID.
+ */
+struct fc_ns_rff_id {
+ struct fc_ns_fid fr_fid; /* port ID object */
+ __u8 fr_resvd[2];
+ __u8 fr_feat; /* FC-4 Feature bits */
+ __u8 fr_type; /* FC-4 type */
+} __attribute__((__packed__));
+
+#endif /* _FC_NS_H_ */
diff --git a/include/uapi/scsi/scsi_bsg_fc.h b/include/uapi/scsi/scsi_bsg_fc.h
new file mode 100644
index 0000000000..5e46cf1054
--- /dev/null
+++ b/include/uapi/scsi/scsi_bsg_fc.h
@@ -0,0 +1,308 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * FC Transport BSG Interface
+ *
+ * Copyright (C) 2008 James Smart, Emulex Corporation
+ */
+
+#ifndef SCSI_BSG_FC_H
+#define SCSI_BSG_FC_H
+
+#include <linux/types.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 {
+ __u8 reserved;
+
+ /* FC Address Identier of the remote port to login to */
+ __u8 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 {
+ __u8 reserved;
+
+ /* FC Address Identier of the remote port to logout of */
+ __u8 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)
+ */
+ __u8 command_code;
+
+ /* FC Address Identier of the remote port to send the ELS to */
+ __u8 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.
+ */
+ __u32 status; /* See FC_CTELS_STATUS_xxx */
+
+ /* valid if status is not FC_CTELS_STATUS_OK */
+ struct {
+ __u8 action; /* fragment_id for CT REJECT */
+ __u8 reason_code;
+ __u8 reason_explanation;
+ __u8 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 {
+ __u8 reserved;
+
+ /* FC Address Identier of the remote port to send the ELS to */
+ __u8 port_id[3];
+
+ /*
+ * We need words 0-2 of the generic preamble for the LLD's
+ */
+ __u32 preamble_word0; /* revision & IN_ID */
+ __u32 preamble_word1; /* GS_Type, GS_SubType, Options, Rsvd */
+ __u32 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.
+ */
+ __u64 vendor_id;
+
+ /* start of vendor command area */
+ __u32 vendor_cmd[];
+};
+
+/* Response:
+ */
+struct fc_bsg_host_vendor_reply {
+ /* start of vendor response area */
+ __DECLARE_FLEX_ARRAY(__u32, vendor_rsp);
+};
+
+
+
+/*
+ * 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)
+ */
+ __u8 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
+ */
+ __u32 preamble_word0; /* revision & IN_ID */
+ __u32 preamble_word1; /* GS_Type, GS_SubType, Options, Rsvd */
+ __u32 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 {
+ __u32 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.
+ */
+ __u32 result;
+
+ /* If there was reply_payload, how much was recevied ? */
+ __u32 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/uapi/scsi/scsi_bsg_mpi3mr.h b/include/uapi/scsi/scsi_bsg_mpi3mr.h
new file mode 100644
index 0000000000..907d345f04
--- /dev/null
+++ b/include/uapi/scsi/scsi_bsg_mpi3mr.h
@@ -0,0 +1,576 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
+/*
+ * Driver for Broadcom MPI3 Storage Controllers
+ *
+ * Copyright (C) 2017-2022 Broadcom Inc.
+ * (mailto: mpi3mr-linuxdrv.pdl@broadcom.com)
+ *
+ */
+
+#ifndef SCSI_BSG_MPI3MR_H_INCLUDED
+#define SCSI_BSG_MPI3MR_H_INCLUDED
+
+#include <linux/types.h>
+
+/* Definitions for BSG commands */
+#define MPI3MR_IOCTL_VERSION 0x06
+
+#define MPI3MR_APP_DEFAULT_TIMEOUT (60) /*seconds*/
+
+#define MPI3MR_BSG_ADPTYPE_UNKNOWN 0
+#define MPI3MR_BSG_ADPTYPE_AVGFAMILY 1
+
+#define MPI3MR_BSG_ADPSTATE_UNKNOWN 0
+#define MPI3MR_BSG_ADPSTATE_OPERATIONAL 1
+#define MPI3MR_BSG_ADPSTATE_FAULT 2
+#define MPI3MR_BSG_ADPSTATE_IN_RESET 3
+#define MPI3MR_BSG_ADPSTATE_UNRECOVERABLE 4
+
+#define MPI3MR_BSG_ADPRESET_UNKNOWN 0
+#define MPI3MR_BSG_ADPRESET_SOFT 1
+#define MPI3MR_BSG_ADPRESET_DIAG_FAULT 2
+
+#define MPI3MR_BSG_LOGDATA_MAX_ENTRIES 400
+#define MPI3MR_BSG_LOGDATA_ENTRY_HEADER_SZ 4
+
+#define MPI3MR_DRVBSG_OPCODE_UNKNOWN 0
+#define MPI3MR_DRVBSG_OPCODE_ADPINFO 1
+#define MPI3MR_DRVBSG_OPCODE_ADPRESET 2
+#define MPI3MR_DRVBSG_OPCODE_ALLTGTDEVINFO 4
+#define MPI3MR_DRVBSG_OPCODE_GETCHGCNT 5
+#define MPI3MR_DRVBSG_OPCODE_LOGDATAENABLE 6
+#define MPI3MR_DRVBSG_OPCODE_PELENABLE 7
+#define MPI3MR_DRVBSG_OPCODE_GETLOGDATA 8
+#define MPI3MR_DRVBSG_OPCODE_QUERY_HDB 9
+#define MPI3MR_DRVBSG_OPCODE_REPOST_HDB 10
+#define MPI3MR_DRVBSG_OPCODE_UPLOAD_HDB 11
+#define MPI3MR_DRVBSG_OPCODE_REFRESH_HDB_TRIGGERS 12
+
+
+#define MPI3MR_BSG_BUFTYPE_UNKNOWN 0
+#define MPI3MR_BSG_BUFTYPE_RAIDMGMT_CMD 1
+#define MPI3MR_BSG_BUFTYPE_RAIDMGMT_RESP 2
+#define MPI3MR_BSG_BUFTYPE_DATA_IN 3
+#define MPI3MR_BSG_BUFTYPE_DATA_OUT 4
+#define MPI3MR_BSG_BUFTYPE_MPI_REPLY 5
+#define MPI3MR_BSG_BUFTYPE_ERR_RESPONSE 6
+#define MPI3MR_BSG_BUFTYPE_MPI_REQUEST 0xFE
+
+#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_UNKNOWN 0
+#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_STATUS 1
+#define MPI3MR_BSG_MPI_REPLY_BUFTYPE_ADDRESS 2
+
+#define MPI3MR_HDB_BUFTYPE_UNKNOWN 0
+#define MPI3MR_HDB_BUFTYPE_TRACE 1
+#define MPI3MR_HDB_BUFTYPE_FIRMWARE 2
+#define MPI3MR_HDB_BUFTYPE_RESERVED 3
+
+#define MPI3MR_HDB_BUFSTATUS_UNKNOWN 0
+#define MPI3MR_HDB_BUFSTATUS_NOT_ALLOCATED 1
+#define MPI3MR_HDB_BUFSTATUS_POSTED_UNPAUSED 2
+#define MPI3MR_HDB_BUFSTATUS_POSTED_PAUSED 3
+#define MPI3MR_HDB_BUFSTATUS_RELEASED 4
+
+#define MPI3MR_HDB_TRIGGER_TYPE_UNKNOWN 0
+#define MPI3MR_HDB_TRIGGER_TYPE_DIAGFAULT 1
+#define MPI3MR_HDB_TRIGGER_TYPE_ELEMENT 2
+#define MPI3MR_HDB_TRIGGER_TYPE_MASTER 3
+
+
+/* Supported BSG commands */
+enum command {
+ MPI3MR_DRV_CMD = 1,
+ MPI3MR_MPT_CMD = 2,
+};
+
+/**
+ * struct mpi3_driver_info_layout - Information about driver
+ *
+ * @information_length: Length of this structure in bytes
+ * @driver_signature: Driver Vendor name
+ * @os_name: Operating System Name
+ * @driver_name: Driver name
+ * @driver_version: Driver version
+ * @driver_release_date: Driver release date
+ * @driver_capabilities: Driver capabilities
+ */
+struct mpi3_driver_info_layout {
+ __le32 information_length;
+ __u8 driver_signature[12];
+ __u8 os_name[16];
+ __u8 os_version[12];
+ __u8 driver_name[20];
+ __u8 driver_version[32];
+ __u8 driver_release_date[20];
+ __le32 driver_capabilities;
+};
+
+/**
+ * struct mpi3mr_bsg_in_adpinfo - Adapter information request
+ * data returned by the driver.
+ *
+ * @adp_type: Adapter type
+ * @rsvd1: Reserved
+ * @pci_dev_id: PCI device ID of the adapter
+ * @pci_dev_hw_rev: PCI revision of the adapter
+ * @pci_subsys_dev_id: PCI subsystem device ID of the adapter
+ * @pci_subsys_ven_id: PCI subsystem vendor ID of the adapter
+ * @pci_dev: PCI device
+ * @pci_func: PCI function
+ * @pci_bus: PCI bus
+ * @rsvd2: Reserved
+ * @pci_seg_id: PCI segment ID
+ * @app_intfc_ver: version of the application interface definition
+ * @rsvd3: Reserved
+ * @rsvd4: Reserved
+ * @rsvd5: Reserved
+ * @driver_info: Driver Information (Version/Name)
+ */
+struct mpi3mr_bsg_in_adpinfo {
+ __u32 adp_type;
+ __u32 rsvd1;
+ __u32 pci_dev_id;
+ __u32 pci_dev_hw_rev;
+ __u32 pci_subsys_dev_id;
+ __u32 pci_subsys_ven_id;
+ __u32 pci_dev:5;
+ __u32 pci_func:3;
+ __u32 pci_bus:8;
+ __u16 rsvd2;
+ __u32 pci_seg_id;
+ __u32 app_intfc_ver;
+ __u8 adp_state;
+ __u8 rsvd3;
+ __u16 rsvd4;
+ __u32 rsvd5[2];
+ struct mpi3_driver_info_layout driver_info;
+};
+
+/**
+ * struct mpi3mr_bsg_adp_reset - Adapter reset request
+ * payload data to the driver.
+ *
+ * @reset_type: Reset type
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ */
+struct mpi3mr_bsg_adp_reset {
+ __u8 reset_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+};
+
+/**
+ * struct mpi3mr_change_count - Topology change count
+ * returned by the driver.
+ *
+ * @change_count: Topology change count
+ * @rsvd: Reserved
+ */
+struct mpi3mr_change_count {
+ __u16 change_count;
+ __u16 rsvd;
+};
+
+/**
+ * struct mpi3mr_device_map_info - Target device mapping
+ * information
+ *
+ * @handle: Firmware device handle
+ * @perst_id: Persistent ID assigned by the firmware
+ * @target_id: Target ID assigned by the driver
+ * @bus_id: Bus ID assigned by the driver
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ */
+struct mpi3mr_device_map_info {
+ __u16 handle;
+ __u16 perst_id;
+ __u32 target_id;
+ __u8 bus_id;
+ __u8 rsvd1;
+ __u16 rsvd2;
+};
+
+/**
+ * struct mpi3mr_all_tgt_info - Target device mapping
+ * information returned by the driver
+ *
+ * @num_devices: The number of devices in driver's inventory
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @dmi: Variable length array of mapping information of targets
+ */
+struct mpi3mr_all_tgt_info {
+ __u16 num_devices;
+ __u16 rsvd1;
+ __u32 rsvd2;
+ struct mpi3mr_device_map_info dmi[1];
+};
+
+/**
+ * struct mpi3mr_logdata_enable - Number of log data
+ * entries saved by the driver returned as payload data for
+ * enable logdata BSG request by the driver.
+ *
+ * @max_entries: Number of log data entries cached by the driver
+ * @rsvd: Reserved
+ */
+struct mpi3mr_logdata_enable {
+ __u16 max_entries;
+ __u16 rsvd;
+};
+
+/**
+ * struct mpi3mr_bsg_out_pel_enable - PEL enable request payload
+ * data to the driver.
+ *
+ * @pel_locale: PEL locale to the firmware
+ * @pel_class: PEL class to the firmware
+ * @rsvd: Reserved
+ */
+struct mpi3mr_bsg_out_pel_enable {
+ __u16 pel_locale;
+ __u8 pel_class;
+ __u8 rsvd;
+};
+
+/**
+ * struct mpi3mr_logdata_entry - Log data entry cached by the
+ * driver.
+ *
+ * @valid_entry: Is the entry valid
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @data: Variable length Log entry data
+ */
+struct mpi3mr_logdata_entry {
+ __u8 valid_entry;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u8 data[1]; /* Variable length Array */
+};
+
+/**
+ * struct mpi3mr_bsg_in_log_data - Log data entries saved by
+ * the driver returned as payload data for Get logdata request
+ * by the driver.
+ *
+ * @entry: Variable length Log data entry array
+ */
+struct mpi3mr_bsg_in_log_data {
+ struct mpi3mr_logdata_entry entry[1];
+};
+
+/**
+ * struct mpi3mr_hdb_entry - host diag buffer entry.
+ *
+ * @buf_type: Buffer type
+ * @status: Buffer status
+ * @trigger_type: Trigger type
+ * @rsvd1: Reserved
+ * @size: Buffer size
+ * @rsvd2: Reserved
+ * @trigger_data: Trigger specific data
+ * @rsvd3: Reserved
+ * @rsvd4: Reserved
+ */
+struct mpi3mr_hdb_entry {
+ __u8 buf_type;
+ __u8 status;
+ __u8 trigger_type;
+ __u8 rsvd1;
+ __u16 size;
+ __u16 rsvd2;
+ __u64 trigger_data;
+ __u32 rsvd3;
+ __u32 rsvd4;
+};
+
+
+/**
+ * struct mpi3mr_bsg_in_hdb_status - This structure contains
+ * return data for the BSG request to retrieve the number of host
+ * diagnostic buffers supported by the driver and their current
+ * status and additional status specific data if any in forms of
+ * multiple hdb entries.
+ *
+ * @num_hdb_types: Number of host diag buffer types supported
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @rsvd3: Reserved
+ * @entry: Variable length Diag buffer status entry array
+ */
+struct mpi3mr_bsg_in_hdb_status {
+ __u8 num_hdb_types;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u32 rsvd3;
+ struct mpi3mr_hdb_entry entry[1];
+};
+
+/**
+ * struct mpi3mr_bsg_out_repost_hdb - Repost host diagnostic
+ * buffer request payload data to the driver.
+ *
+ * @buf_type: Buffer type
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ */
+struct mpi3mr_bsg_out_repost_hdb {
+ __u8 buf_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+};
+
+/**
+ * struct mpi3mr_bsg_out_upload_hdb - Upload host diagnostic
+ * buffer request payload data to the driver.
+ *
+ * @buf_type: Buffer type
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @start_offset: Start offset of the buffer from where to copy
+ * @length: Length of the buffer to copy
+ */
+struct mpi3mr_bsg_out_upload_hdb {
+ __u8 buf_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u32 start_offset;
+ __u32 length;
+};
+
+/**
+ * struct mpi3mr_bsg_out_refresh_hdb_triggers - Refresh host
+ * diagnostic buffer triggers request payload data to the driver.
+ *
+ * @page_type: Page type
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ */
+struct mpi3mr_bsg_out_refresh_hdb_triggers {
+ __u8 page_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+};
+/**
+ * struct mpi3mr_bsg_drv_cmd - Generic bsg data
+ * structure for all driver specific requests.
+ *
+ * @mrioc_id: Controller ID
+ * @opcode: Driver specific opcode
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ */
+struct mpi3mr_bsg_drv_cmd {
+ __u8 mrioc_id;
+ __u8 opcode;
+ __u16 rsvd1;
+ __u32 rsvd2[4];
+};
+/**
+ * struct mpi3mr_bsg_in_reply_buf - MPI reply buffer returned
+ * for MPI Passthrough request .
+ *
+ * @mpi_reply_type: Type of MPI reply
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @reply_buf: Variable Length buffer based on mpirep type
+ */
+struct mpi3mr_bsg_in_reply_buf {
+ __u8 mpi_reply_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u8 reply_buf[1];
+};
+
+/**
+ * struct mpi3mr_buf_entry - User buffer descriptor for MPI
+ * Passthrough requests.
+ *
+ * @buf_type: Buffer type
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @buf_len: Buffer length
+ */
+struct mpi3mr_buf_entry {
+ __u8 buf_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u32 buf_len;
+};
+/**
+ * struct mpi3mr_bsg_buf_entry_list - list of user buffer
+ * descriptor for MPI Passthrough requests.
+ *
+ * @num_of_entries: Number of buffer descriptors
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @rsvd3: Reserved
+ * @buf_entry: Variable length array of buffer descriptors
+ */
+struct mpi3mr_buf_entry_list {
+ __u8 num_of_entries;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u32 rsvd3;
+ struct mpi3mr_buf_entry buf_entry[1];
+};
+/**
+ * struct mpi3mr_bsg_mptcmd - Generic bsg data
+ * structure for all MPI Passthrough requests .
+ *
+ * @mrioc_id: Controller ID
+ * @rsvd1: Reserved
+ * @timeout: MPI request timeout
+ * @buf_entry_list: Buffer descriptor list
+ */
+struct mpi3mr_bsg_mptcmd {
+ __u8 mrioc_id;
+ __u8 rsvd1;
+ __u16 timeout;
+ __u32 rsvd2;
+ struct mpi3mr_buf_entry_list buf_entry_list;
+};
+
+/**
+ * struct mpi3mr_bsg_packet - Generic bsg data
+ * structure for all supported requests .
+ *
+ * @cmd_type: represents drvrcmd or mptcmd
+ * @rsvd1: Reserved
+ * @rsvd2: Reserved
+ * @drvrcmd: driver request structure
+ * @mptcmd: mpt request structure
+ */
+struct mpi3mr_bsg_packet {
+ __u8 cmd_type;
+ __u8 rsvd1;
+ __u16 rsvd2;
+ __u32 rsvd3;
+ union {
+ struct mpi3mr_bsg_drv_cmd drvrcmd;
+ struct mpi3mr_bsg_mptcmd mptcmd;
+ } cmd;
+};
+
+struct mpi3_nvme_encapsulated_request {
+ __le16 host_tag;
+ __u8 ioc_use_only02;
+ __u8 function;
+ __le16 ioc_use_only04;
+ __u8 ioc_use_only06;
+ __u8 msg_flags;
+ __le16 change_count;
+ __le16 dev_handle;
+ __le16 encapsulated_command_length;
+ __le16 flags;
+ __le32 data_length;
+ __le32 reserved14[3];
+ __le32 command[];
+};
+
+struct mpi3_nvme_encapsulated_error_reply {
+ __le16 host_tag;
+ __u8 ioc_use_only02;
+ __u8 function;
+ __le16 ioc_use_only04;
+ __u8 ioc_use_only06;
+ __u8 msg_flags;
+ __le16 ioc_use_only08;
+ __le16 ioc_status;
+ __le32 ioc_log_info;
+ __le32 nvme_completion_entry[4];
+};
+
+#define MPI3MR_NVME_PRP_SIZE 8 /* PRP size */
+#define MPI3MR_NVME_CMD_PRP1_OFFSET 24 /* PRP1 offset in NVMe cmd */
+#define MPI3MR_NVME_CMD_PRP2_OFFSET 32 /* PRP2 offset in NVMe cmd */
+#define MPI3MR_NVME_CMD_SGL_OFFSET 24 /* SGL offset in NVMe cmd */
+#define MPI3MR_NVME_DATA_FORMAT_PRP 0
+#define MPI3MR_NVME_DATA_FORMAT_SGL1 1
+#define MPI3MR_NVME_DATA_FORMAT_SGL2 2
+
+/* MPI3: task management related definitions */
+struct mpi3_scsi_task_mgmt_request {
+ __le16 host_tag;
+ __u8 ioc_use_only02;
+ __u8 function;
+ __le16 ioc_use_only04;
+ __u8 ioc_use_only06;
+ __u8 msg_flags;
+ __le16 change_count;
+ __le16 dev_handle;
+ __le16 task_host_tag;
+ __u8 task_type;
+ __u8 reserved0f;
+ __le16 task_request_queue_id;
+ __le16 reserved12;
+ __le32 reserved14;
+ __u8 lun[8];
+};
+
+#define MPI3_SCSITASKMGMT_MSGFLAGS_DO_NOT_SEND_TASK_IU (0x08)
+#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK (0x01)
+#define MPI3_SCSITASKMGMT_TASKTYPE_ABORT_TASK_SET (0x02)
+#define MPI3_SCSITASKMGMT_TASKTYPE_TARGET_RESET (0x03)
+#define MPI3_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET (0x05)
+#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_TASK_SET (0x06)
+#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK (0x07)
+#define MPI3_SCSITASKMGMT_TASKTYPE_CLEAR_ACA (0x08)
+#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_TASK_SET (0x09)
+#define MPI3_SCSITASKMGMT_TASKTYPE_QUERY_ASYNC_EVENT (0x0a)
+#define MPI3_SCSITASKMGMT_TASKTYPE_I_T_NEXUS_RESET (0x0b)
+struct mpi3_scsi_task_mgmt_reply {
+ __le16 host_tag;
+ __u8 ioc_use_only02;
+ __u8 function;
+ __le16 ioc_use_only04;
+ __u8 ioc_use_only06;
+ __u8 msg_flags;
+ __le16 ioc_use_only08;
+ __le16 ioc_status;
+ __le32 ioc_log_info;
+ __le32 termination_count;
+ __le32 response_data;
+ __le32 reserved18;
+};
+
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_COMPLETE (0x00)
+#define MPI3_SCSITASKMGMT_RSPCODE_INVALID_FRAME (0x02)
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_FUNCTION_NOT_SUPPORTED (0x04)
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_FAILED (0x05)
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_SUCCEEDED (0x08)
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_INVALID_LUN (0x09)
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_OVERLAPPED_TAG (0x0a)
+#define MPI3_SCSITASKMGMT_RSPCODE_IO_QUEUED_ON_IOC (0x80)
+#define MPI3_SCSITASKMGMT_RSPCODE_TM_NVME_DENIED (0x81)
+
+/* MPI3: PEL related definitions */
+#define MPI3_PEL_LOCALE_FLAGS_NON_BLOCKING_BOOT_EVENT (0x0200)
+#define MPI3_PEL_LOCALE_FLAGS_BLOCKING_BOOT_EVENT (0x0100)
+#define MPI3_PEL_LOCALE_FLAGS_PCIE (0x0080)
+#define MPI3_PEL_LOCALE_FLAGS_CONFIGURATION (0x0040)
+#define MPI3_PEL_LOCALE_FLAGS_CONTROLER (0x0020)
+#define MPI3_PEL_LOCALE_FLAGS_SAS (0x0010)
+#define MPI3_PEL_LOCALE_FLAGS_EPACK (0x0008)
+#define MPI3_PEL_LOCALE_FLAGS_ENCLOSURE (0x0004)
+#define MPI3_PEL_LOCALE_FLAGS_PD (0x0002)
+#define MPI3_PEL_LOCALE_FLAGS_VD (0x0001)
+#define MPI3_PEL_CLASS_DEBUG (0x00)
+#define MPI3_PEL_CLASS_PROGRESS (0x01)
+#define MPI3_PEL_CLASS_INFORMATIONAL (0x02)
+#define MPI3_PEL_CLASS_WARNING (0x03)
+#define MPI3_PEL_CLASS_CRITICAL (0x04)
+#define MPI3_PEL_CLASS_FATAL (0x05)
+#define MPI3_PEL_CLASS_FAULT (0x06)
+
+/* MPI3: Function definitions */
+#define MPI3_BSG_FUNCTION_MGMT_PASSTHROUGH (0x0a)
+#define MPI3_BSG_FUNCTION_SCSI_IO (0x20)
+#define MPI3_BSG_FUNCTION_SCSI_TASK_MGMT (0x21)
+#define MPI3_BSG_FUNCTION_SMP_PASSTHROUGH (0x22)
+#define MPI3_BSG_FUNCTION_NVME_ENCAPSULATED (0x24)
+
+#endif
diff --git a/include/uapi/scsi/scsi_bsg_ufs.h b/include/uapi/scsi/scsi_bsg_ufs.h
new file mode 100644
index 0000000000..03f2beadf2
--- /dev/null
+++ b/include/uapi/scsi/scsi_bsg_ufs.h
@@ -0,0 +1,220 @@
+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * UFS Transport SGIO v4 BSG Message Support
+ *
+ * Copyright (C) 2011-2013 Samsung India Software Operations
+ * Copyright (C) 2018 Western Digital Corporation
+ */
+#ifndef SCSI_BSG_UFS_H
+#define SCSI_BSG_UFS_H
+
+#include <asm/byteorder.h>
+#include <linux/types.h>
+/*
+ * This file intended to be included by both kernel and user space
+ */
+
+#define UFS_CDB_SIZE 16
+/* uic commands are 4DW long, per UFSHCI V2.1 paragraph 5.6.1 */
+#define UIC_CMD_SIZE (sizeof(__u32) * 4)
+
+enum ufs_bsg_msg_code {
+ UPIU_TRANSACTION_UIC_CMD = 0x1F,
+ UPIU_TRANSACTION_ARPMB_CMD,
+};
+
+/* UFS RPMB Request Message Types */
+enum ufs_rpmb_op_type {
+ UFS_RPMB_WRITE_KEY = 0x01,
+ UFS_RPMB_READ_CNT = 0x02,
+ UFS_RPMB_WRITE = 0x03,
+ UFS_RPMB_READ = 0x04,
+ UFS_RPMB_READ_RESP = 0x05,
+ UFS_RPMB_SEC_CONF_WRITE = 0x06,
+ UFS_RPMB_SEC_CONF_READ = 0x07,
+ UFS_RPMB_PURGE_ENABLE = 0x08,
+ UFS_RPMB_PURGE_STATUS_READ = 0x09,
+};
+
+/**
+ * struct utp_upiu_header - UPIU header structure
+ * @dword_0: UPIU header DW-0
+ * @dword_1: UPIU header DW-1
+ * @dword_2: UPIU header DW-2
+ *
+ * @transaction_code: Type of request or response. See also enum
+ * upiu_request_transaction and enum upiu_response_transaction.
+ * @flags: UPIU flags. The meaning of individual flags depends on the
+ * transaction code.
+ * @lun: Logical unit number.
+ * @task_tag: Task tag.
+ * @iid: Initiator ID.
+ * @command_set_type: 0 for SCSI command set; 1 for UFS specific.
+ * @tm_function: Task management function in case of a task management request
+ * UPIU.
+ * @query_function: Query function in case of a query request UPIU.
+ * @response: 0 for success; 1 for failure.
+ * @status: SCSI status if this is the header of a response to a SCSI command.
+ * @ehs_length: EHS length in units of 32 bytes.
+ * @device_information:
+ * @data_segment_length: data segment length.
+ */
+struct utp_upiu_header {
+ union {
+ struct {
+ __be32 dword_0;
+ __be32 dword_1;
+ __be32 dword_2;
+ };
+ struct {
+ __u8 transaction_code;
+ __u8 flags;
+ __u8 lun;
+ __u8 task_tag;
+#if defined(__BIG_ENDIAN)
+ __u8 iid: 4;
+ __u8 command_set_type: 4;
+#elif defined(__LITTLE_ENDIAN)
+ __u8 command_set_type: 4;
+ __u8 iid: 4;
+#else
+#error
+#endif
+ union {
+ __u8 tm_function;
+ __u8 query_function;
+ } __attribute__((packed));
+ __u8 response;
+ __u8 status;
+ __u8 ehs_length;
+ __u8 device_information;
+ __be16 data_segment_length;
+ };
+ };
+};
+
+/**
+ * struct utp_upiu_query - upiu request buffer structure for
+ * query request.
+ * @opcode: command to perform B-0
+ * @idn: a value that indicates the particular type of data B-1
+ * @index: Index to further identify data B-2
+ * @selector: Index to further identify data B-3
+ * @reserved_osf: spec reserved field B-4,5
+ * @length: number of descriptor bytes to read/write B-6,7
+ * @value: Attribute value to be written DW-5
+ * @reserved: spec reserved DW-6,7
+ */
+struct utp_upiu_query {
+ __u8 opcode;
+ __u8 idn;
+ __u8 index;
+ __u8 selector;
+ __be16 reserved_osf;
+ __be16 length;
+ __be32 value;
+ __be32 reserved[2];
+};
+
+/**
+ * struct utp_upiu_query_v4_0 - upiu request buffer structure for
+ * query request >= UFS 4.0 spec.
+ * @opcode: command to perform B-0
+ * @idn: a value that indicates the particular type of data B-1
+ * @index: Index to further identify data B-2
+ * @selector: Index to further identify data B-3
+ * @osf4: spec field B-5
+ * @osf5: spec field B 6,7
+ * @osf6: spec field DW 8,9
+ * @osf7: spec field DW 10,11
+ */
+struct utp_upiu_query_v4_0 {
+ __u8 opcode;
+ __u8 idn;
+ __u8 index;
+ __u8 selector;
+ __u8 osf3;
+ __u8 osf4;
+ __be16 osf5;
+ __be32 osf6;
+ __be32 osf7;
+ __be32 reserved;
+};
+
+/**
+ * struct utp_upiu_cmd - Command UPIU structure
+ * @data_transfer_len: Data Transfer Length DW-3
+ * @cdb: Command Descriptor Block CDB DW-4 to DW-7
+ */
+struct utp_upiu_cmd {
+ __be32 exp_data_transfer_len;
+ __u8 cdb[UFS_CDB_SIZE];
+};
+
+/**
+ * struct utp_upiu_req - general upiu request structure
+ * @header:UPIU header structure DW-0 to DW-2
+ * @sc: fields structure for scsi command DW-3 to DW-7
+ * @qr: fields structure for query request DW-3 to DW-7
+ * @uc: use utp_upiu_query to host the 4 dwords of uic command
+ */
+struct utp_upiu_req {
+ struct utp_upiu_header header;
+ union {
+ struct utp_upiu_cmd sc;
+ struct utp_upiu_query qr;
+ struct utp_upiu_query uc;
+ };
+};
+
+struct ufs_arpmb_meta {
+ __be16 req_resp_type;
+ __u8 nonce[16];
+ __be32 write_counter;
+ __be16 addr_lun;
+ __be16 block_count;
+ __be16 result;
+} __attribute__((__packed__));
+
+struct ufs_ehs {
+ __u8 length;
+ __u8 ehs_type;
+ __be16 ehssub_type;
+ struct ufs_arpmb_meta meta;
+ __u8 mac_key[32];
+} __attribute__((__packed__));
+
+/* request (CDB) structure of the sg_io_v4 */
+struct ufs_bsg_request {
+ __u32 msgcode;
+ struct utp_upiu_req upiu_req;
+};
+
+/* response (request sense data) structure of the sg_io_v4 */
+struct ufs_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.
+ */
+ int result;
+
+ /* If there was reply_payload, how much was received? */
+ __u32 reply_payload_rcv_len;
+
+ struct utp_upiu_req upiu_rsp;
+};
+
+struct ufs_rpmb_request {
+ struct ufs_bsg_request bsg_request;
+ struct ufs_ehs ehs_req;
+};
+
+struct ufs_rpmb_reply {
+ struct ufs_bsg_reply bsg_reply;
+ struct ufs_ehs ehs_rsp;
+};
+#endif /* UFS_BSG_H */
diff --git a/include/uapi/scsi/scsi_netlink.h b/include/uapi/scsi/scsi_netlink.h
new file mode 100644
index 0000000000..1b1737c3c9
--- /dev/null
+++ b/include/uapi/scsi/scsi_netlink.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * SCSI Transport Netlink Interface
+ * Used for the posting of outbound SCSI transport events
+ *
+ * Copyright (C) 2006 James Smart, Emulex Corporation
+ */
+#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 {
+ __u8 version;
+ __u8 transport;
+ __u16 magic;
+ __u16 msgtype;
+ __u16 msglen;
+} __attribute__((aligned(sizeof(__u64))));
+
+/* 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 ! */
+ __u64 vendor_id;
+ __u16 host_no;
+ __u16 vmsg_datalen;
+} __attribute__((aligned(sizeof(__u64))));
+
+
+/*
+ * 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 */
+
diff --git a/include/uapi/scsi/scsi_netlink_fc.h b/include/uapi/scsi/scsi_netlink_fc.h
new file mode 100644
index 0000000000..b46e9cbeb0
--- /dev/null
+++ b/include/uapi/scsi/scsi_netlink_fc.h
@@ -0,0 +1,61 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * FC Transport Netlink Interface
+ *
+ * Copyright (C) 2006 James Smart, Emulex Corporation
+ */
+#ifndef SCSI_NETLINK_FC_H
+#define SCSI_NETLINK_FC_H
+
+#include <linux/types.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_flex 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 ! */
+ __u64 seconds;
+ __u64 vendor_id;
+ __u16 host_no;
+ __u16 event_datalen;
+ __u32 event_num;
+ __u32 event_code;
+ union {
+ __u32 event_data;
+ __DECLARE_FLEX_ARRAY(__u8, event_data_flex);
+ };
+} __attribute__((aligned(sizeof(__u64))));
+
+
+#endif /* SCSI_NETLINK_FC_H */
+