1 files changed, 186 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/include/protocol/fcp.h b/drivers/scsi/bfa/include/protocol/fcp.h
new file mode 100644
index 000000000000..9ade68ad2853
--- /dev/null
+++ b/drivers/scsi/bfa/include/protocol/fcp.h
@@ -0,0 +1,186 @@
+/*
+ * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ */
+
+#ifndef __FCPPROTO_H__
+#define __FCPPROTO_H__
+
+#include <protocol/scsi.h>
+
+#pragma pack(1)
+
+enum {
+        FCP_RJT         = 0x01000000,   /* SRR reject */
+        FCP_SRR_ACCEPT  = 0x02000000,   /* SRR accept */
+        FCP_SRR         = 0x14000000,   /* Sequence Retransmission Request */
+};
+
+/*
+ * SRR FC-4 LS payload
+ */
+struct fc_srr_s{
+        u32     ls_cmd;
+        u32        ox_id:16;    /* ox-id */
+        u32        rx_id:16;    /* rx-id */
+        u32        ro;          /* relative offset */
+        u32        r_ctl:8;             /* R_CTL for I.U. */
+        u32        res:24;
+};
+
+
+/*
+ * FCP_CMND definitions
+ */
+#define FCP_CMND_CDB_LEN    16
+#define FCP_CMND_LUN_LEN    8
+
+struct fcp_cmnd_s{
+        lun_t           lun;            /* 64-bit LU number */
+        u8         crn;         /* command reference number */
+#ifdef __BIGENDIAN
+        u8         resvd:1,
+                        priority:4,     /* FCP-3: SAM-3 priority */
+                        taskattr:3;     /* scsi task attribute */
+#else
+        u8         taskattr:3,  /* scsi task attribute */
+                        priority:4,     /* FCP-3: SAM-3 priority */
+                        resvd:1;
+#endif
+        u8         tm_flags;    /* task management flags */
+#ifdef __BIGENDIAN
+        u8         addl_cdb_len:6,      /* additional CDB length words */
+                        iodir:2;        /* read/write FCP_DATA IUs */
+#else
+        u8         iodir:2,     /* read/write FCP_DATA IUs */
+                        addl_cdb_len:6; /* additional CDB length */
+#endif
+        struct scsi_cdb_s      cdb;
+
+        /*
+         * !!! additional cdb bytes follows here!!!
+         */
+        u32        fcp_dl;      /* bytes to be transferred */
+};
+
+#define fcp_cmnd_cdb_len(_cmnd) ((_cmnd)->addl_cdb_len * 4 + FCP_CMND_CDB_LEN)
+#define fcp_cmnd_fcpdl(_cmnd)   ((&(_cmnd)->fcp_dl)[(_cmnd)->addl_cdb_len])
+
+/*
+ * fcp_cmnd_t.iodir field values
+ */
+enum fcp_iodir{
+        FCP_IODIR_NONE  = 0,
+        FCP_IODIR_WRITE = 1,
+        FCP_IODIR_READ  = 2,
+        FCP_IODIR_RW    = 3,
+};
+
+/*
+ * Task attribute field
+ */
+enum {
+        FCP_TASK_ATTR_SIMPLE    = 0,
+        FCP_TASK_ATTR_HOQ       = 1,
+        FCP_TASK_ATTR_ORDERED   = 2,
+        FCP_TASK_ATTR_ACA       = 4,
+        FCP_TASK_ATTR_UNTAGGED  = 5,    /* obsolete in FCP-3 */
+};
+
+/*
+ * Task management flags field - only one bit shall be set
+ */
+#ifndef BIT
+#define BIT(_x) (1 << (_x))
+#endif
+enum fcp_tm_cmnd{
+        FCP_TM_ABORT_TASK_SET   = BIT(1),
+        FCP_TM_CLEAR_TASK_SET   = BIT(2),
+        FCP_TM_LUN_RESET        = BIT(4),
+        FCP_TM_TARGET_RESET     = BIT(5),       /* obsolete in FCP-3 */
+        FCP_TM_CLEAR_ACA        = BIT(6),
+};
+
+/*
+ * FCP_XFER_RDY IU defines
+ */
+struct fcp_xfer_rdy_s{
+        u32        data_ro;
+        u32        burst_len;
+        u32        reserved;
+};
+
+/*
+ * FCP_RSP residue flags
+ */
+enum fcp_residue{
+        FCP_NO_RESIDUE = 0,     /* no residue */
+        FCP_RESID_OVER = 1,     /* more data left that was not sent */
+        FCP_RESID_UNDER = 2,    /* less data than requested */
+};
+
+enum {
+        FCP_RSPINFO_GOOD = 0,
+        FCP_RSPINFO_DATALEN_MISMATCH = 1,
+        FCP_RSPINFO_CMND_INVALID = 2,
+        FCP_RSPINFO_ROLEN_MISMATCH = 3,
+        FCP_RSPINFO_TM_NOT_SUPP = 4,
+        FCP_RSPINFO_TM_FAILED = 5,
+};
+
+struct fcp_rspinfo_s{
+        u32        res0:24;
+        u32        rsp_code:8;  /* response code (as above) */
+        u32        res1;
+};
+
+struct fcp_resp_s{
+        u32        reserved[2]; /* 2 words reserved */
+        u16        reserved2;
+#ifdef __BIGENDIAN
+        u8         reserved3:3;
+        u8         fcp_conf_req:1;      /* FCP_CONF is requested */
+        u8         resid_flags:2;       /* underflow/overflow */
+        u8         sns_len_valid:1;/* sense len is valid */
+        u8         rsp_len_valid:1;/* response len is valid */
+#else
+        u8         rsp_len_valid:1;/* response len is valid */
+        u8         sns_len_valid:1;/* sense len is valid */
+        u8         resid_flags:2;       /* underflow/overflow */
+        u8         fcp_conf_req:1;      /* FCP_CONF is requested */
+        u8         reserved3:3;
+#endif
+        u8         scsi_status; /* one byte SCSI status */
+        u32        residue;     /* residual data bytes */
+        u32        sns_len;     /* length od sense info */
+        u32        rsp_len;     /* length of response info */
+};
+
+#define fcp_snslen(__fcprsp)    ((__fcprsp)->sns_len_valid ?            \
+                                        (__fcprsp)->sns_len : 0)
+#define fcp_rsplen(__fcprsp)    ((__fcprsp)->rsp_len_valid ?            \
+                                        (__fcprsp)->rsp_len : 0)
+#define fcp_rspinfo(__fcprsp)   ((struct fcp_rspinfo_s *)((__fcprsp) + 1))
+#define fcp_snsinfo(__fcprsp)   (((u8 *)fcp_rspinfo(__fcprsp)) +        \
+                                                fcp_rsplen(__fcprsp))
+
+struct fcp_cmnd_fr_s{
+        struct fchs_s          fchs;
+        struct fcp_cmnd_s      fcp;
+};
+
+#pragma pack()
+
+#endif