Rewrote CAM.h. Since this file is from an ANSI standard, I
kept the non-be specific comments. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@32805 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Stefano Ceccherini
+109
-121
@@ -1,28 +1,21 @@
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/* ++++++++++
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CAM.h
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Copyright (c) 1996-98 by Be Incorporated. All Rights Reserved.
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Definitions for the SCSI Common Access Method as implemented in the Be OS.
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See also "Draft Proposed American National Standard, SCSI-2 Common
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Access Method Transport and SCSI Interface Module", Revision 12,
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ANSI refernce number X3.232-199x.
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This file consists of the definitions for the fictional "UNIVOS"
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operating system described in the standard. The file is mostly
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the same text as the standard, with Be-provided additions as needed.
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+++++ */
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/*
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* Copyright 2009, Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*
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*
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* Definitions for the SCSI Common Access Method as implemented in Haiku.
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*
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* See also "Draft Proposed American National Standard, SCSI-2 Common
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* Access Method Transport and SCSI Interface Module", Revision 12,
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* ANSI refernce number X3.232-199x.
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*
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*/
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#ifndef _CAM_H
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#define _CAM_H
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#include <bus_manager.h>
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/* ---
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Be-provided additions to the standard include file.
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--- */
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#include <sys/types.h>
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#ifdef __cplusplus
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@@ -41,22 +34,19 @@ typedef long I32;
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typedef unsigned short U16;
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#endif
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/* Haiku specific additions */
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typedef struct {
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uint32 serial; /* operation serial number */
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uint32 micros; /* operation time in microseconds (4294s max) */
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uint32 bytes; /* number of bytes to transfer */
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uchar path; /* target SIM ID */
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uchar target; /* target device ID */
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uchar sgcount; /* # of sg segments (0 if non-sg operation) */
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uchar scsi_op; /* scsi operation byte */
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uint32 serial; /* operation serial number */
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uint32 micros; /* operation time in microseconds (4294s max) */
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uint32 bytes; /* number of bytes to transfer */
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uchar path; /* target SIM ID */
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uchar target; /* target device ID */
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uchar sgcount; /* # of sg segments (0 if non-sg operation) */
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uchar scsi_op; /* scsi operation byte */
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} cam_iostat;
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/* -----
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The rest of this file contains the definitions and data structures for
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the CAM Subsystem interface. The contents of this file should match the
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data structures and constants that are specified in the CAM document
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----- */
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/* End of Haiku specific additions */
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/* Defines for the XPT function codes, Table 8-2 in the CAM spec. */
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@@ -91,8 +81,6 @@ typedef struct {
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#define XPT_FUNC 0x7F /* TEMPLATE */
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#define XPT_VUNIQUE 0x80 /* All the rest are vendor unique commands */
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/* ---------------------------------------------------------------------- */
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/* General allocation length defines for the CCB structures. */
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#define IOCDBLEN 12 /* Space for the CDB bytes/pointer */
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@@ -100,8 +88,8 @@ typedef struct {
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#define SIM_ID 16 /* ASCII string len for SIM ID */
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#define HBA_ID 16 /* ASCII string len for HBA ID */
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#define BE_SIM_CCB_SIZE 1536 /* we want to allocate 1.5k chunks */
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#define BE_SIM_SCSIIO_SIZE 88 /* sizeof(CAM_CCB_SCSIIO) - SIM_PRIV */
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#define BE_SIM_CCB_SIZE 1536 /* we want to allocate 1.5k chunks */
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#define BE_SIM_SCSIIO_SIZE 88 /* sizeof(CAM_CCB_SCSIIO) - SIM_PRIV */
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#define SIM_PRIV (BE_SIM_CCB_SIZE - BE_SIM_SCSIIO_SIZE) /* Length of SIM private data area */
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/* SIM_PRIV (sim private data area) Terms and Conditions:
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@@ -124,15 +112,15 @@ subsystem. */
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/* Common CCB header definition. */
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typedef struct ccb_header
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{
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uint32 phys_addr; /* physical address of this CCB */
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uint16 cam_ccb_len; /* Length of the entire CCB */
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uchar cam_func_code; /* XPT function code */
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uchar cam_status; /* Returned CAM subsystem status */
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uchar cam_hrsvd0; /* Reserved field, for alignment */
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uchar cam_path_id; /* Path ID for the request */
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uchar cam_target_id; /* Target device ID */
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uchar cam_target_lun; /* Target LUN number */
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uint32 cam_flags; /* Flags for operation of the subsystem */
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uint32 phys_addr; /* physical address of this CCB */
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uint16 cam_ccb_len; /* Length of the entire CCB */
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uchar cam_func_code; /* XPT function code */
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uchar cam_status; /* Returned CAM subsystem status */
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uchar cam_hrsvd0; /* Reserved field, for alignment */
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uchar cam_path_id; /* Path ID for the request */
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uchar cam_target_id; /* Target device ID */
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uchar cam_target_lun; /* Target LUN number */
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uint32 cam_flags; /* Flags for operation of the subsystem */
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} CCB_HEADER;
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/* Common SCSI functions. */
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@@ -140,16 +128,16 @@ typedef struct ccb_header
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/* Union definition for the CDB space in the SCSI I/O request CCB */
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typedef union cdb_un
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{
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uchar *cam_cdb_ptr; /* Pointer to the CDB bytes to send */
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uchar cam_cdb_bytes[ IOCDBLEN ]; /* Area for the CDB to send */
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uchar* cam_cdb_ptr; /* Pointer to the CDB bytes to send */
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uchar cam_cdb_bytes[IOCDBLEN]; /* Area for the CDB to send */
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} CDB_UN;
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/* Get device type CCB */
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typedef struct ccb_getdev
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{
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CCB_HEADER cam_ch; /* Header information fields */
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char *cam_inq_data; /* Ptr to the inquiry data space */
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uchar cam_pd_type; /* Periph device type from the TLUN */
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CCB_HEADER cam_ch; /* Header information fields */
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char* cam_inq_data; /* Ptr to the inquiry data space */
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uchar cam_pd_type; /* Periph device type from the TLUN */
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} CCB_GETDEV;
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/* Path inquiry CCB */
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@@ -161,52 +149,52 @@ typedef struct ccb_pathinq
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uchar cam_target_sprt; /* Flags for target mode support */
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uchar cam_hba_misc; /* Misc HBA feature flags */
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uint16 cam_hba_eng_cnt; /* HBA engine count */
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uchar cam_vuhba_flags[ VUHBA ]; /* Vendor unique capabilities */
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uchar cam_vuhba_flags[VUHBA]; /* Vendor unique capabilities */
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uint32 cam_sim_priv; /* Size of SIM private data area */
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uint32 cam_async_flags; /* Event cap. for Async Callback */
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uchar cam_hpath_id; /* Highest path ID in the subsystem */
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uchar cam_initiator_id; /* ID of the HBA on the SCSI bus */
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uchar cam_prsvd0; /* Reserved field, for alignment */
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uchar cam_prsvd1; /* Reserved field, for alignment */
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char cam_sim_vid[ SIM_ID ]; /* Vendor ID of the SIM */
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char cam_hba_vid[ HBA_ID ]; /* Vendor ID of the HBA */
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uchar *cam_osd_usage; /* Ptr for the OSD specific area */
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char cam_sim_vid[SIM_ID]; /* Vendor ID of the SIM */
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char cam_hba_vid[HBA_ID]; /* Vendor ID of the HBA */
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uchar* cam_osd_usage; /* Ptr for the OSD specific area */
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} CCB_PATHINQ;
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/* Release SIM Queue CCB */
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typedef struct ccb_relsim
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{
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CCB_HEADER cam_ch; /* Header information fields */
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CCB_HEADER cam_ch; /* Header information fields */
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} CCB_RELSIM;
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/* SCSI I/O Request CCB */
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typedef struct ccb_scsiio
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{
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CCB_HEADER cam_ch; /* Header information fields */
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uchar *cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
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CCB_HEADER *cam_next_ccb; /* Ptr to the next CCB for action */
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uchar *cam_req_map; /* Ptr for mapping info on the Req. */
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void (*cam_cbfcnp)(struct ccb_scsiio *);
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/* Callback on completion function */
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uchar *cam_data_ptr; /* Pointer to the data buf/SG list */
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uint32 cam_dxfer_len; /* Data xfer length */
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uchar *cam_sense_ptr; /* Pointer to the sense data buffer */
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uchar cam_sense_len; /* Num of bytes in the Autosense buf */
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uchar cam_cdb_len; /* Number of bytes for the CDB */
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uint16 cam_sglist_cnt; /* Num of scatter gather list entries */
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uint32 cam_sort; /* Value used by SIM to sort on */
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uchar cam_scsi_status; /* Returned scsi device status */
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uchar cam_sense_resid; /* Autosense resid length: 2's comp */
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uchar cam_osd_rsvd1[2]; /* OSD Reserved field, for alignment */
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int32 cam_resid; /* Transfer residual length: 2's comp */
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CDB_UN cam_cdb_io; /* Union for CDB bytes/pointer */
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uint32 cam_timeout; /* Timeout value */
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uchar *cam_msg_ptr; /* Pointer to the message buffer */
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uint16 cam_msgb_len; /* Num of bytes in the message buf */
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uint16 cam_vu_flags; /* Vendor unique flags */
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uchar cam_tag_action; /* What to do for tag queuing */
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uchar cam_iorsvd0[3]; /* Reserved field, for alignment */
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uchar cam_sim_priv[ SIM_PRIV ]; /* SIM private data area */
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CCB_HEADER cam_ch; /* Header information fields */
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uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
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CCB_HEADER* cam_next_ccb; /* Ptr to the next CCB for action */
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uchar* cam_req_map; /* Ptr for mapping info on the Req. */
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void (*cam_cbfcnp)(struct ccb_scsiio*);
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/* Callback on completion function */
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uchar* cam_data_ptr; /* Pointer to the data buf/SG list */
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uint32 cam_dxfer_len; /* Data xfer length */
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uchar* cam_sense_ptr; /* Pointer to the sense data buffer */
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uchar cam_sense_len; /* Num of bytes in the Autosense buf */
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uchar cam_cdb_len; /* Number of bytes for the CDB */
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uint16 cam_sglist_cnt; /* Num of scatter gather list entries */
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uint32 cam_sort; /* Value used by SIM to sort on */
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uchar cam_scsi_status; /* Returned scsi device status */
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uchar cam_sense_resid; /* Autosense resid length: 2's comp */
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uchar cam_osd_rsvd1[2]; /* OSD Reserved field, for alignment */
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int32 cam_resid; /* Transfer residual length: 2's comp */
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CDB_UN cam_cdb_io; /* Union for CDB bytes/pointer */
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uint32 cam_timeout; /* Timeout value */
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uchar* cam_msg_ptr; /* Pointer to the message buffer */
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uint16 cam_msgb_len; /* Num of bytes in the message buf */
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uint16 cam_vu_flags; /* Vendor unique flags */
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uchar cam_tag_action; /* What to do for tag queuing */
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uchar cam_iorsvd0[3]; /* Reserved field, for alignment */
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uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */
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} CCB_SCSIIO;
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/* Set Async Callback CCB */
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@@ -215,15 +203,15 @@ typedef struct ccb_setasync
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CCB_HEADER cam_ch; /* Header information fields */
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uint32 cam_async_flags; /* Event enables for Callback resp */
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void (*cam_async_func)(); /* Async Callback function address */
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uchar *pdrv_buf; /* Buffer set aside by the Per. drv */
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uchar* pdrv_buf; /* Buffer set aside by the Per. drv */
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uchar pdrv_buf_len; /* The size of the buffer */
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} CCB_SETASYNC;
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/* Set device type CCB */
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typedef struct ccb_setdev
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{
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CCB_HEADER cam_ch; /* Header information fields */
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uchar cam_dev_type; /* Val for the dev type field in EDT */
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CCB_HEADER cam_ch; /* Header information fields */
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uchar cam_dev_type; /* Val for the dev type field in EDT */
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} CCB_SETDEV;
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/* SCSI Control Functions. */
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@@ -232,7 +220,7 @@ typedef struct ccb_setdev
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typedef struct ccb_abort
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{
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CCB_HEADER cam_ch; /* Header information fields */
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CCB_HEADER *cam_abort_ch; /* Pointer to the CCB to abort */
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CCB_HEADER* cam_abort_ch; /* Pointer to the CCB to abort */
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} CCB_ABORT;
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/* Reset SCSI Bus CCB */
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@@ -251,7 +239,7 @@ typedef struct ccb_resetdev
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typedef struct ccb_termio
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{
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CCB_HEADER cam_ch; /* Header information fields */
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CCB_HEADER *cam_termio_ch; /* Pointer to the CCB to terminate */
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CCB_HEADER* cam_termio_ch; /* Pointer to the CCB to terminate */
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} CCB_TERMIO;
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/* Target mode structures. */
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@@ -262,7 +250,7 @@ typedef struct ccb_en_lun
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CCB_HEADER cam_ch; /* Header information fields */
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uint16 cam_grp6_len; /* Group 6 VU CDB length */
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uint16 cam_grp7_len; /* Group 7 VU CDB length */
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uchar *cam_ccb_listptr; /* Pointer to the target CCB list */
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uchar* cam_ccb_listptr; /* Pointer to the target CCB list */
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uint16 cam_ccb_listcnt; /* Count of Target CCBs in the list */
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} CCB_EN_LUN;
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@@ -272,20 +260,20 @@ typedef struct ccb_enable_lun
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CCB_HEADER cam_ch; /* Header information fields */
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uint16 cam_grp6_length; /* Group 6 Vendor Unique CDB Lengths */
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uint16 cam_grp7_length; /* Group 7 Vendor Unique CDB Lengths */
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uchar *cam_immed_notify_list; /* Ptr to Immediate Notify CCB list */
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uchar* cam_immed_notify_list; /* Ptr to Immediate Notify CCB list */
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uint32 cam_immed_notify_cnt; /* Number of Immediate Notify CCBs */
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uchar *cam_accept_targ_list; /* Ptr to Accept Target I/O CCB list */
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uchar* cam_accept_targ_list; /* Ptr to Accept Target I/O CCB list */
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uint32 cam_accept_targ_cnt; /* Number of Accept Target I/O CCBs */
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uchar cam_sim_priv[ SIM_PRIV ]; /* SIM private data area */
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uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */
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} CCB_ENABLE_LUN;
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/* Immediate Notify CCB */
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typedef struct ccb_immed_notify
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{
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CCB_HEADER cam_ch; /* Header information fields */
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uchar *cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
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uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
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void (*cam_cbfnot)(); /* Callback on notification function */
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uchar *cam_sense_ptr; /* Pointer to the sense data buffer */
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uchar* cam_sense_ptr; /* Pointer to the sense data buffer */
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uchar cam_sense_len; /* Num of bytes in the Autosense buf */
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uchar cam_init_id; /* ID of Initiator that selected */
|
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uint16 cam_seq_id; /* Sequence Identifier */
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@@ -306,13 +294,13 @@ typedef struct ccb_notify_ack
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typedef struct ccb_accept_targ
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{
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CCB_HEADER cam_ch; /* Header information fields */
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uchar *cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
|
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CCB_HEADER *cam_next_ccb; /* Ptr to the next CCB for action */
|
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uchar *cam_req_map; /* Ptr for mapping info on the Req. */
|
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uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
|
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CCB_HEADER* cam_next_ccb; /* Ptr to the next CCB for action */
|
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uchar* cam_req_map; /* Ptr for mapping info on the Req. */
|
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void (*cam_cbfcnot)(); /* Callback on completion function */
|
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uchar *cam_data_ptr; /* Pointer to the data buf/SG list */
|
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uchar* cam_data_ptr; /* Pointer to the data buf/SG list */
|
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uint32 cam_dxfer_len; /* Data xfer length */
|
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uchar *cam_sense_ptr; /* Pointer to the sense data buffer */
|
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uchar* cam_sense_ptr; /* Pointer to the sense data buffer */
|
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uchar cam_sense_len; /* Num of bytes in the Autosense buf */
|
||||
uchar cam_cdb_len; /* Number of bytes for the CDB */
|
||||
uint16 cam_sglist_cnt; /* Num of scatter gather list entries */
|
||||
@@ -323,14 +311,14 @@ typedef struct ccb_accept_targ
|
||||
int32 cam_resid; /* Transfer residual length: 2's comp */
|
||||
CDB_UN cam_cdb_io; /* Union for CDB bytes/pointer */
|
||||
uint32 cam_timeout; /* Timeout value */
|
||||
uchar *cam_msg_ptr; /* Pointer to the message buffer */
|
||||
uchar* cam_msg_ptr; /* Pointer to the message buffer */
|
||||
uint16 cam_msgb_len; /* Num of bytes in the message buf */
|
||||
uint16 cam_vu_flags; /* Vendor unique flags */
|
||||
uchar cam_tag_action; /* What to do for tag queuing */
|
||||
uchar cam_tag_id; /* Tag ID */
|
||||
uchar cam_initiator_id; /* Initiator ID */
|
||||
uchar cam_iorsvd0[1]; /* Reserved field, for alignment */
|
||||
uchar cam_sim_priv[ SIM_PRIV ]; /* SIM private data area */
|
||||
uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */
|
||||
} CCB_ACCEPT_TARG;
|
||||
|
||||
/* Continue Target I/O CCB */
|
||||
@@ -350,13 +338,13 @@ typedef struct ccb_eng_inq
|
||||
typedef struct ccb_eng_exec /* NOTE: must match SCSIIO size */
|
||||
{
|
||||
CCB_HEADER cam_ch; /* Header information fields */
|
||||
uchar *cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
|
||||
uchar* cam_pdrv_ptr; /* Ptr used by the Peripheral driver */
|
||||
uint32 cam_engrsvd0; /* Reserved field, for alignment */
|
||||
uchar *cam_req_map; /* Ptr for mapping info on the Req. */
|
||||
uchar* cam_req_map; /* Ptr for mapping info on the Req. */
|
||||
void (*cam_cbfcnp)(); /* Callback on completion function */
|
||||
uchar *cam_data_ptr; /* Pointer to the data buf/SG list */
|
||||
uchar* cam_data_ptr; /* Pointer to the data buf/SG list */
|
||||
uint32 cam_dxfer_len; /* Data xfer length */
|
||||
uchar *cam_engdata_ptr; /* Pointer to the engine buffer data */
|
||||
uchar* cam_engdata_ptr; /* Pointer to the engine buffer data */
|
||||
uchar cam_engrsvd1; /* Reserved field, for alignment */
|
||||
uchar cam_engrsvd2; /* Reserved field, for alignment */
|
||||
uint16 cam_sglist_cnt; /* Num of scatter gather list entries */
|
||||
@@ -370,7 +358,7 @@ typedef struct ccb_eng_exec /* NOTE: must match SCSIIO size */
|
||||
uint16 cam_vu_flags; /* Vendor unique flags */
|
||||
uchar cam_engrsvd5; /* Reserved field, for alignment */
|
||||
uchar cam_engrsvd6[3]; /* Reserved field, for alignment */
|
||||
uchar cam_sim_priv[ SIM_PRIV ]; /* SIM private data area */
|
||||
uchar cam_sim_priv[SIM_PRIV]; /* SIM private data area */
|
||||
} CCB_ENG_EXEC;
|
||||
|
||||
/* The sim_module_info definition is used to define the entry points for
|
||||
@@ -382,14 +370,14 @@ entries. */
|
||||
typedef struct sim_module_info sim_module_info;
|
||||
|
||||
struct sim_module_info {
|
||||
module_info minfo;
|
||||
module_info minfo;
|
||||
};
|
||||
|
||||
typedef struct CAM_SIM_ENTRY CAM_SIM_ENTRY;
|
||||
|
||||
struct CAM_SIM_ENTRY {
|
||||
status_t (*sim_init)();
|
||||
int32 (*sim_action)();
|
||||
status_t (*sim_init)();
|
||||
int32 (*sim_action)();
|
||||
};
|
||||
|
||||
/* ---------------------------------------------------------------------- */
|
||||
@@ -544,7 +532,7 @@ SIM's default timeout can take effect. */
|
||||
|
||||
typedef struct sg_elem
|
||||
{
|
||||
uchar *cam_sg_address; /* Scatter/Gather address */
|
||||
uchar* cam_sg_address; /* Scatter/Gather address */
|
||||
uint32 cam_sg_count; /* Scatter/Gather count */
|
||||
} SG_ELEM;
|
||||
|
||||
@@ -588,11 +576,11 @@ in a linked list structure. */
|
||||
|
||||
typedef struct async_info
|
||||
{
|
||||
struct async_info *cam_async_next; /* pointer to the next structure */
|
||||
struct async_info* cam_async_next; /* pointer to the next structure */
|
||||
uint32 cam_event_enable; /* Event enables for Callback resp */
|
||||
void (*cam_async_func)(); /* Async Callback function address */
|
||||
uint32 cam_async_blen; /* Length of "information" buffer */
|
||||
uchar *cam_async_ptr; /* Address for the "information */
|
||||
uchar* cam_async_ptr; /* Address for the "information */
|
||||
} ASYNC_INFO;
|
||||
|
||||
/* The CAM EDT table contains the device information for all the
|
||||
@@ -603,9 +591,9 @@ table contains a CAM_EDT_ENTRY structure for each device on the bus.
|
||||
typedef struct cam_edt_entry
|
||||
{
|
||||
int32 cam_tlun_found; /* Flag for the existence of the target/LUN */
|
||||
ASYNC_INFO *cam_ainfo; /* Async callback list info for this B/T/L */
|
||||
ASYNC_INFO* cam_ainfo; /* Async callback list info for this B/T/L */
|
||||
uint32 cam_owner_tag; /* Tag for the peripheral driver's ownership */
|
||||
char cam_inq_data[ INQLEN ]; /* storage for the inquiry data */
|
||||
char cam_inq_data[INQLEN]; /* storage for the inquiry data */
|
||||
} CAM_EDT_ENTRY;
|
||||
|
||||
|
||||
@@ -628,15 +616,15 @@ typedef struct cam_edt_entry
|
||||
typedef struct ccb_extended_pathinq
|
||||
{
|
||||
CCB_PATHINQ cam_path; /* Default path inquiry */
|
||||
char cam_sim_version [ VERS ]; /* SIM version number */
|
||||
char cam_hba_version [ VERS ]; /* HBA version number */
|
||||
char cam_controller_family [ FAM_ID ]; /* Controller family */
|
||||
char cam_controller_type [ TYPE_ID ]; /* Controller type */
|
||||
char cam_sim_version[VERS]; /* SIM version number */
|
||||
char cam_hba_version[VERS]; /* HBA version number */
|
||||
char cam_controller_family[FAM_ID]; /* Controller family */
|
||||
char cam_controller_type[TYPE_ID]; /* Controller type */
|
||||
} CCB_EXTENDED_PATHINQ;
|
||||
|
||||
|
||||
/* ---
|
||||
Vendor unique flags supported by Be OS (cam_vu_flags)
|
||||
Vendor unique flags supported by Haiku (cam_vu_flags)
|
||||
--- */
|
||||
|
||||
enum {
|
||||
@@ -655,9 +643,9 @@ typedef struct cam_for_driver_module_info cam_for_driver_module_info;
|
||||
|
||||
struct cam_for_driver_module_info {
|
||||
bus_manager_info minfo;
|
||||
CCB_HEADER * (*xpt_ccb_alloc)(void);
|
||||
void (*xpt_ccb_free)(void *ccb);
|
||||
long (*xpt_action)(CCB_HEADER *ccbh);
|
||||
CCB_HEADER* (*xpt_ccb_alloc)(void);
|
||||
void (*xpt_ccb_free)(void* ccb);
|
||||
long (*xpt_action)(CCB_HEADER* ccbh);
|
||||
};
|
||||
|
||||
#define B_CAM_FOR_DRIVER_MODULE_NAME "bus_managers/scsi/driver/v1"
|
||||
@@ -670,8 +658,8 @@ typedef struct cam_for_sim_module_info cam_for_sim_module_info;
|
||||
|
||||
struct cam_for_sim_module_info {
|
||||
bus_manager_info minfo;
|
||||
long (*xpt_bus_register) (CAM_SIM_ENTRY *sim);
|
||||
long (*xpt_bus_deregister) (long path);
|
||||
long (*xpt_bus_register)(CAM_SIM_ENTRY* sim);
|
||||
long (*xpt_bus_deregister)(long path);
|
||||
};
|
||||
|
||||
#define B_CAM_FOR_SIM_MODULE_NAME "bus_managers/scsi/sim/v1"
|
||||
|
||||
Reference in New Issue
Block a user