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/*-
* Data structures and definitions for CAM Control Blocks (CCBs).
*
* Copyright (c) 1997, 1998 Justin T. Gibbs.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/cam/cam_ccb.h 236786 2012-06-09 07:43:11Z mav $
*/
#ifndef _CAM_CAM_CCB_H
#define _CAM_CAM_CCB_H 1
#include <sys/queue.h>
#include <sys/cdefs.h>
#include <sys/time.h>
#include <sys/limits.h>
#ifndef _KERNEL
#include <sys/callout.h>
#endif
#include <cam/cam_debug.h>
#include <cam/scsi/scsi_all.h>
#include <cam/ata/ata_all.h>
/* General allocation length definitions for CCB structures */
#define IOCDBLEN CAM_MAX_CDBLEN /* Space for CDB bytes/pointer */
#define VUHBALEN 14 /* Vendor Unique HBA length */
#define SIM_IDLEN 16 /* ASCII string len for SIM ID */
#define HBA_IDLEN 16 /* ASCII string len for HBA ID */
#define DEV_IDLEN 16 /* ASCII string len for device names */
#define CCB_PERIPH_PRIV_SIZE 2 /* size of peripheral private area */
#define CCB_SIM_PRIV_SIZE 2 /* size of sim private area */
/* Struct definitions for CAM control blocks */
/* Common CCB header */
/* CAM CCB flags */
typedef enum {
CAM_CDB_POINTER = 0x00000001,/* The CDB field is a pointer */
CAM_QUEUE_ENABLE = 0x00000002,/* SIM queue actions are enabled */
CAM_CDB_LINKED = 0x00000004,/* CCB contains a linked CDB */
CAM_NEGOTIATE = 0x00000008,/*
* Perform transport negotiation
* with this command.
*/
CAM_SCATTER_VALID = 0x00000010,/* Scatter/gather list is valid */
CAM_DIS_AUTOSENSE = 0x00000020,/* Disable autosense feature */
CAM_DIR_BOTH = 0x00000000,/* Data direction (00:IN/OUT) */
CAM_DIR_IN = 0x00000040,/* Data direction (01:DATA IN) */
CAM_DIR_OUT = 0x00000080,/* Data direction (10:DATA OUT) */
CAM_DIR_NONE = 0x000000C0,/* Data direction (11:no data) */
CAM_DIR_MASK = 0x000000C0,/* Data direction Mask */
CAM_SOFT_RST_OP = 0x00000100,/* Use Soft reset alternative */
CAM_ENG_SYNC = 0x00000200,/* Flush resid bytes on complete */
CAM_DEV_QFRZDIS = 0x00000400,/* Disable DEV Q freezing */
CAM_DEV_QFREEZE = 0x00000800,/* Freeze DEV Q on execution */
CAM_HIGH_POWER = 0x00001000,/* Command takes a lot of power */
CAM_SENSE_PTR = 0x00002000,/* Sense data is a pointer */
CAM_SENSE_PHYS = 0x00004000,/* Sense pointer is physical addr*/
CAM_TAG_ACTION_VALID = 0x00008000,/* Use the tag action in this ccb*/
CAM_PASS_ERR_RECOVER = 0x00010000,/* Pass driver does err. recovery*/
CAM_DIS_DISCONNECT = 0x00020000,/* Disable disconnect */
CAM_SG_LIST_PHYS = 0x00040000,/* SG list has physical addrs. */
CAM_MSG_BUF_PHYS = 0x00080000,/* Message buffer ptr is physical*/
CAM_SNS_BUF_PHYS = 0x00100000,/* Autosense data ptr is physical*/
CAM_DATA_PHYS = 0x00200000,/* SG/Buffer data ptrs are phys. */
CAM_CDB_PHYS = 0x00400000,/* CDB poiner is physical */
CAM_ENG_SGLIST = 0x00800000,/* SG list is for the HBA engine */
/* Phase cognizant mode flags */
CAM_DIS_AUTOSRP = 0x01000000,/* Disable autosave/restore ptrs */
CAM_DIS_AUTODISC = 0x02000000,/* Disable auto disconnect */
CAM_TGT_CCB_AVAIL = 0x04000000,/* Target CCB available */
CAM_TGT_PHASE_MODE = 0x08000000,/* The SIM runs in phase mode */
CAM_MSGB_VALID = 0x10000000,/* Message buffer valid */
CAM_STATUS_VALID = 0x20000000,/* Status buffer valid */
CAM_DATAB_VALID = 0x40000000,/* Data buffer valid */
/* Host target Mode flags */
CAM_SEND_SENSE = 0x08000000,/* Send sense data with status */
CAM_TERM_IO = 0x10000000,/* Terminate I/O Message sup. */
CAM_DISCONNECT = 0x20000000,/* Disconnects are mandatory */
CAM_SEND_STATUS = 0x40000000 /* Send status after data phase */
} ccb_flags;
/* XPT Opcodes for xpt_action */
typedef enum {
/* Function code flags are bits greater than 0xff */
XPT_FC_QUEUED = 0x100,
/* Non-immediate function code */
XPT_FC_USER_CCB = 0x200,
XPT_FC_XPT_ONLY = 0x400,
/* Only for the transport layer device */
XPT_FC_DEV_QUEUED = 0x800 | XPT_FC_QUEUED,
/* Passes through the device queues */
/* Common function commands: 0x00->0x0F */
XPT_NOOP = 0x00,
/* Execute Nothing */
XPT_SCSI_IO = 0x01 | XPT_FC_DEV_QUEUED,
/* Execute the requested I/O operation */
XPT_GDEV_TYPE = 0x02,
/* Get type information for specified device */
XPT_GDEVLIST = 0x03,
/* Get a list of peripheral devices */
XPT_PATH_INQ = 0x04,
/* Path routing inquiry */
XPT_REL_SIMQ = 0x05,
/* Release a frozen device queue */
XPT_SASYNC_CB = 0x06,
/* Set Asynchronous Callback Parameters */
XPT_SDEV_TYPE = 0x07,
/* Set device type information */
XPT_SCAN_BUS = 0x08 | XPT_FC_QUEUED | XPT_FC_USER_CCB
| XPT_FC_XPT_ONLY,
/* (Re)Scan the SCSI Bus */
XPT_DEV_MATCH = 0x09 | XPT_FC_XPT_ONLY,
/* Get EDT entries matching the given pattern */
XPT_DEBUG = 0x0a,
/* Turn on debugging for a bus, target or lun */
XPT_PATH_STATS = 0x0b,
/* Path statistics (error counts, etc.) */
XPT_GDEV_STATS = 0x0c,
/* Device statistics (error counts, etc.) */
XPT_FREEZE_QUEUE = 0x0d,
/* Freeze device queue */
XPT_DEV_ADVINFO = 0x0e,
/* Get/Set Device advanced information */
/* SCSI Control Functions: 0x10->0x1F */
XPT_ABORT = 0x10,
/* Abort the specified CCB */
XPT_RESET_BUS = 0x11 | XPT_FC_XPT_ONLY,
/* Reset the specified SCSI bus */
XPT_RESET_DEV = 0x12 | XPT_FC_DEV_QUEUED,
/* Bus Device Reset the specified SCSI device */
XPT_TERM_IO = 0x13,
/* Terminate the I/O process */
XPT_SCAN_LUN = 0x14 | XPT_FC_QUEUED | XPT_FC_USER_CCB
| XPT_FC_XPT_ONLY,
/* Scan Logical Unit */
XPT_GET_TRAN_SETTINGS = 0x15,
/*
* Get default/user transfer settings
* for the target
*/
XPT_SET_TRAN_SETTINGS = 0x16,
/*
* Set transfer rate/width
* negotiation settings
*/
XPT_CALC_GEOMETRY = 0x17,
/*
* Calculate the geometry parameters for
* a device give the sector size and
* volume size.
*/
XPT_ATA_IO = 0x18 | XPT_FC_DEV_QUEUED,
/* Execute the requested ATA I/O operation */
XPT_GET_SIM_KNOB = 0x18,
/*
* Get SIM specific knob values.
*/
XPT_SET_SIM_KNOB = 0x19,
/*
* Set SIM specific knob values.
*/
XPT_SMP_IO = 0x1b | XPT_FC_DEV_QUEUED,
/* Serial Management Protocol */
XPT_SCAN_TGT = 0x1E | XPT_FC_QUEUED | XPT_FC_USER_CCB
| XPT_FC_XPT_ONLY,
/* Scan Target */
/* HBA engine commands 0x20->0x2F */
XPT_ENG_INQ = 0x20 | XPT_FC_XPT_ONLY,
/* HBA engine feature inquiry */
XPT_ENG_EXEC = 0x21 | XPT_FC_DEV_QUEUED,
/* HBA execute engine request */
/* Target mode commands: 0x30->0x3F */
XPT_EN_LUN = 0x30,
/* Enable LUN as a target */
XPT_TARGET_IO = 0x31 | XPT_FC_DEV_QUEUED,
/* Execute target I/O request */
XPT_ACCEPT_TARGET_IO = 0x32 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Accept Host Target Mode CDB */
XPT_CONT_TARGET_IO = 0x33 | XPT_FC_DEV_QUEUED,
/* Continue Host Target I/O Connection */
XPT_IMMED_NOTIFY = 0x34 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Notify Host Target driver of event (obsolete) */
XPT_NOTIFY_ACK = 0x35,
/* Acknowledgement of event (obsolete) */
XPT_IMMEDIATE_NOTIFY = 0x36 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Notify Host Target driver of event */
XPT_NOTIFY_ACKNOWLEDGE = 0x37 | XPT_FC_QUEUED | XPT_FC_USER_CCB,
/* Acknowledgement of event */
/* Vendor Unique codes: 0x80->0x8F */
XPT_VUNIQUE = 0x80
} xpt_opcode;
#define XPT_FC_GROUP_MASK 0xF0
#define XPT_FC_GROUP(op) ((op) & XPT_FC_GROUP_MASK)
#define XPT_FC_GROUP_COMMON 0x00
#define XPT_FC_GROUP_SCSI_CONTROL 0x10
#define XPT_FC_GROUP_HBA_ENGINE 0x20
#define XPT_FC_GROUP_TMODE 0x30
#define XPT_FC_GROUP_VENDOR_UNIQUE 0x80
#define XPT_FC_IS_DEV_QUEUED(ccb) \
(((ccb)->ccb_h.func_code & XPT_FC_DEV_QUEUED) == XPT_FC_DEV_QUEUED)
#define XPT_FC_IS_QUEUED(ccb) \
(((ccb)->ccb_h.func_code & XPT_FC_QUEUED) != 0)
typedef enum {
PROTO_UNKNOWN,
PROTO_UNSPECIFIED,
PROTO_SCSI, /* Small Computer System Interface */
PROTO_ATA, /* AT Attachment */
PROTO_ATAPI, /* AT Attachment Packetized Interface */
PROTO_SATAPM, /* SATA Port Multiplier */
PROTO_SEMB, /* SATA Enclosure Management Bridge */
} cam_proto;
typedef enum {
XPORT_UNKNOWN,
XPORT_UNSPECIFIED,
XPORT_SPI, /* SCSI Parallel Interface */
XPORT_FC, /* Fiber Channel */
XPORT_SSA, /* Serial Storage Architecture */
XPORT_USB, /* Universal Serial Bus */
XPORT_PPB, /* Parallel Port Bus */
XPORT_ATA, /* AT Attachment */
XPORT_SAS, /* Serial Attached SCSI */
XPORT_SATA, /* Serial AT Attachment */
XPORT_ISCSI, /* iSCSI */
} cam_xport;
#define XPORT_IS_ATA(t) ((t) == XPORT_ATA || (t) == XPORT_SATA)
#define XPORT_IS_SCSI(t) ((t) != XPORT_UNKNOWN && \
(t) != XPORT_UNSPECIFIED && \
!XPORT_IS_ATA(t))
#define XPORT_DEVSTAT_TYPE(t) (XPORT_IS_ATA(t) ? DEVSTAT_TYPE_IF_IDE : \
XPORT_IS_SCSI(t) ? DEVSTAT_TYPE_IF_SCSI : \
DEVSTAT_TYPE_IF_OTHER)
#define PROTO_VERSION_UNKNOWN (UINT_MAX - 1)
#define PROTO_VERSION_UNSPECIFIED UINT_MAX
#define XPORT_VERSION_UNKNOWN (UINT_MAX - 1)
#define XPORT_VERSION_UNSPECIFIED UINT_MAX
typedef union {
LIST_ENTRY(ccb_hdr) le;
SLIST_ENTRY(ccb_hdr) sle;
TAILQ_ENTRY(ccb_hdr) tqe;
STAILQ_ENTRY(ccb_hdr) stqe;
} camq_entry;
typedef union {
void *ptr;
u_long field;
u_int8_t bytes[sizeof(uintptr_t)];
} ccb_priv_entry;
typedef union {
ccb_priv_entry entries[CCB_PERIPH_PRIV_SIZE];
u_int8_t bytes[CCB_PERIPH_PRIV_SIZE * sizeof(ccb_priv_entry)];
} ccb_ppriv_area;
typedef union {
ccb_priv_entry entries[CCB_SIM_PRIV_SIZE];
u_int8_t bytes[CCB_SIM_PRIV_SIZE * sizeof(ccb_priv_entry)];
} ccb_spriv_area;
struct ccb_hdr {
cam_pinfo pinfo; /* Info for priority scheduling */
camq_entry xpt_links; /* For chaining in the XPT layer */
camq_entry sim_links; /* For chaining in the SIM layer */
camq_entry periph_links; /* For chaining in the type driver */
u_int32_t retry_count;
void (*cbfcnp)(struct cam_periph *, union ccb *);
/* Callback on completion function */
xpt_opcode func_code; /* XPT function code */
u_int32_t status; /* Status returned by CAM subsystem */
struct cam_path *path; /* Compiled path for this ccb */
path_id_t path_id; /* Path ID for the request */
target_id_t target_id; /* Target device ID */
lun_id_t target_lun; /* Target LUN number */
u_int32_t flags; /* ccb_flags */
ccb_ppriv_area periph_priv;
ccb_spriv_area sim_priv;
u_int32_t timeout; /* Timeout value */
/*
* Deprecated, only for use by non-MPSAFE SIMs. All others must
* allocate and initialize their own callout storage.
*/
struct callout_handle timeout_ch;
};
/* Get Device Information CCB */
struct ccb_getdev {
struct ccb_hdr ccb_h;
cam_proto protocol;
struct scsi_inquiry_data inq_data;
struct ata_params ident_data;
u_int8_t serial_num[252];
u_int8_t inq_flags;
u_int8_t serial_num_len;
};
/* Device Statistics CCB */
struct ccb_getdevstats {
struct ccb_hdr ccb_h;
int dev_openings; /* Space left for more work on device*/
int dev_active; /* Transactions running on the device */
int devq_openings; /* Space left for more queued work */
int devq_queued; /* Transactions queued to be sent */
int held; /*
* CCBs held by peripheral drivers
* for this device
*/
int maxtags; /*
* Boundary conditions for number of
* tagged operations
*/
int mintags;
struct timeval last_reset; /* Time of last bus reset/loop init */
};
typedef enum {
CAM_GDEVLIST_LAST_DEVICE,
CAM_GDEVLIST_LIST_CHANGED,
CAM_GDEVLIST_MORE_DEVS,
CAM_GDEVLIST_ERROR
} ccb_getdevlist_status_e;
struct ccb_getdevlist {
struct ccb_hdr ccb_h;
char periph_name[DEV_IDLEN];
u_int32_t unit_number;
unsigned int generation;
u_int32_t index;
ccb_getdevlist_status_e status;
};
typedef enum {
PERIPH_MATCH_NONE = 0x000,
PERIPH_MATCH_PATH = 0x001,
PERIPH_MATCH_TARGET = 0x002,
PERIPH_MATCH_LUN = 0x004,
PERIPH_MATCH_NAME = 0x008,
PERIPH_MATCH_UNIT = 0x010,
PERIPH_MATCH_ANY = 0x01f
} periph_pattern_flags;
struct periph_match_pattern {
char periph_name[DEV_IDLEN];
u_int32_t unit_number;
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
periph_pattern_flags flags;
};
typedef enum {
DEV_MATCH_NONE = 0x000,
DEV_MATCH_PATH = 0x001,
DEV_MATCH_TARGET = 0x002,
DEV_MATCH_LUN = 0x004,
DEV_MATCH_INQUIRY = 0x008,
DEV_MATCH_DEVID = 0x010,
DEV_MATCH_ANY = 0x00f
} dev_pattern_flags;
struct device_id_match_pattern {
uint8_t id_len;
uint8_t id[256];
};
struct device_match_pattern {
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
dev_pattern_flags flags;
union {
struct scsi_static_inquiry_pattern inq_pat;
struct device_id_match_pattern devid_pat;
} data;
};
typedef enum {
BUS_MATCH_NONE = 0x000,
BUS_MATCH_PATH = 0x001,
BUS_MATCH_NAME = 0x002,
BUS_MATCH_UNIT = 0x004,
BUS_MATCH_BUS_ID = 0x008,
BUS_MATCH_ANY = 0x00f
} bus_pattern_flags;
struct bus_match_pattern {
path_id_t path_id;
char dev_name[DEV_IDLEN];
u_int32_t unit_number;
u_int32_t bus_id;
bus_pattern_flags flags;
};
union match_pattern {
struct periph_match_pattern periph_pattern;
struct device_match_pattern device_pattern;
struct bus_match_pattern bus_pattern;
};
typedef enum {
DEV_MATCH_PERIPH,
DEV_MATCH_DEVICE,
DEV_MATCH_BUS
} dev_match_type;
struct dev_match_pattern {
dev_match_type type;
union match_pattern pattern;
};
struct periph_match_result {
char periph_name[DEV_IDLEN];
u_int32_t unit_number;
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
};
typedef enum {
DEV_RESULT_NOFLAG = 0x00,
DEV_RESULT_UNCONFIGURED = 0x01
} dev_result_flags;
struct device_match_result {
path_id_t path_id;
target_id_t target_id;
lun_id_t target_lun;
cam_proto protocol;
struct scsi_inquiry_data inq_data;
struct ata_params ident_data;
dev_result_flags flags;
};
struct bus_match_result {
path_id_t path_id;
char dev_name[DEV_IDLEN];
u_int32_t unit_number;
u_int32_t bus_id;
};
union match_result {
struct periph_match_result periph_result;
struct device_match_result device_result;
struct bus_match_result bus_result;
};
struct dev_match_result {
dev_match_type type;
union match_result result;
};
typedef enum {
CAM_DEV_MATCH_LAST,
CAM_DEV_MATCH_MORE,
CAM_DEV_MATCH_LIST_CHANGED,
CAM_DEV_MATCH_SIZE_ERROR,
CAM_DEV_MATCH_ERROR
} ccb_dev_match_status;
typedef enum {
CAM_DEV_POS_NONE = 0x000,
CAM_DEV_POS_BUS = 0x001,
CAM_DEV_POS_TARGET = 0x002,
CAM_DEV_POS_DEVICE = 0x004,
CAM_DEV_POS_PERIPH = 0x008,
CAM_DEV_POS_PDPTR = 0x010,
CAM_DEV_POS_TYPEMASK = 0xf00,
CAM_DEV_POS_EDT = 0x100,
CAM_DEV_POS_PDRV = 0x200
} dev_pos_type;
struct ccb_dm_cookie {
void *bus;
void *target;
void *device;
void *periph;
void *pdrv;
};
struct ccb_dev_position {
u_int generations[4];
#define CAM_BUS_GENERATION 0x00
#define CAM_TARGET_GENERATION 0x01
#define CAM_DEV_GENERATION 0x02
#define CAM_PERIPH_GENERATION 0x03
dev_pos_type position_type;
struct ccb_dm_cookie cookie;
};
struct ccb_dev_match {
struct ccb_hdr ccb_h;
ccb_dev_match_status status;
u_int32_t num_patterns;
u_int32_t pattern_buf_len;
struct dev_match_pattern *patterns;
u_int32_t num_matches;
u_int32_t match_buf_len;
struct dev_match_result *matches;
struct ccb_dev_position pos;
};
/*
* Definitions for the path inquiry CCB fields.
*/
#define CAM_VERSION 0x16 /* Hex value for current version */
typedef enum {
PI_MDP_ABLE = 0x80, /* Supports MDP message */
PI_WIDE_32 = 0x40, /* Supports 32 bit wide SCSI */
PI_WIDE_16 = 0x20, /* Supports 16 bit wide SCSI */
PI_SDTR_ABLE = 0x10, /* Supports SDTR message */
PI_LINKED_CDB = 0x08, /* Supports linked CDBs */
PI_SATAPM = 0x04, /* Supports SATA PM */
PI_TAG_ABLE = 0x02, /* Supports tag queue messages */
PI_SOFT_RST = 0x01 /* Supports soft reset alternative */
} pi_inqflag;
typedef enum {
PIT_PROCESSOR = 0x80, /* Target mode processor mode */
PIT_PHASE = 0x40, /* Target mode phase cog. mode */
PIT_DISCONNECT = 0x20, /* Disconnects supported in target mode */
PIT_TERM_IO = 0x10, /* Terminate I/O message supported in TM */
PIT_GRP_6 = 0x08, /* Group 6 commands supported */
PIT_GRP_7 = 0x04 /* Group 7 commands supported */
} pi_tmflag;
typedef enum {
PIM_SCANHILO = 0x80, /* Bus scans from high ID to low ID */
PIM_NOREMOVE = 0x40, /* Removeable devices not included in scan */
PIM_NOINITIATOR = 0x20, /* Initiator role not supported. */
PIM_NOBUSRESET = 0x10, /* User has disabled initial BUS RESET */
PIM_NO_6_BYTE = 0x08, /* Do not send 6-byte commands */
PIM_SEQSCAN = 0x04 /* Do bus scans sequentially, not in parallel */
} pi_miscflag;
/* Path Inquiry CCB */
struct ccb_pathinq_settings_spi {
u_int8_t ppr_options;
};
struct ccb_pathinq_settings_fc {
u_int64_t wwnn; /* world wide node name */
u_int64_t wwpn; /* world wide port name */
u_int32_t port; /* 24 bit port id, if known */
u_int32_t bitrate; /* Mbps */
};
struct ccb_pathinq_settings_sas {
u_int32_t bitrate; /* Mbps */
};
#define PATHINQ_SETTINGS_SIZE 128
struct ccb_pathinq {
struct ccb_hdr ccb_h;
u_int8_t version_num; /* Version number for the SIM/HBA */
u_int8_t hba_inquiry; /* Mimic of INQ byte 7 for the HBA */
u_int8_t target_sprt; /* Flags for target mode support */
u_int8_t hba_misc; /* Misc HBA features */
u_int16_t hba_eng_cnt; /* HBA engine count */
/* Vendor Unique capabilities */
u_int8_t vuhba_flags[VUHBALEN];
u_int32_t max_target; /* Maximum supported Target */
u_int32_t max_lun; /* Maximum supported Lun */
u_int32_t async_flags; /* Installed Async handlers */
path_id_t hpath_id; /* Highest Path ID in the subsystem */
target_id_t initiator_id; /* ID of the HBA on the SCSI bus */
char sim_vid[SIM_IDLEN]; /* Vendor ID of the SIM */
char hba_vid[HBA_IDLEN]; /* Vendor ID of the HBA */
char dev_name[DEV_IDLEN];/* Device name for SIM */
u_int32_t unit_number; /* Unit number for SIM */
u_int32_t bus_id; /* Bus ID for SIM */
u_int32_t base_transfer_speed;/* Base bus speed in KB/sec */
cam_proto protocol;
u_int protocol_version;
cam_xport transport;
u_int transport_version;
union {
struct ccb_pathinq_settings_spi spi;
struct ccb_pathinq_settings_fc fc;
struct ccb_pathinq_settings_sas sas;
char ccb_pathinq_settings_opaque[PATHINQ_SETTINGS_SIZE];
} xport_specific;
u_int maxio; /* Max supported I/O size, in bytes. */
u_int16_t hba_vendor; /* HBA vendor ID */
u_int16_t hba_device; /* HBA device ID */
u_int16_t hba_subvendor; /* HBA subvendor ID */
u_int16_t hba_subdevice; /* HBA subdevice ID */
};
/* Path Statistics CCB */
struct ccb_pathstats {
struct ccb_hdr ccb_h;
struct timeval last_reset; /* Time of last bus reset/loop init */
};
typedef enum {
SMP_FLAG_NONE = 0x00,
SMP_FLAG_REQ_SG = 0x01,
SMP_FLAG_RSP_SG = 0x02
} ccb_smp_pass_flags;
/*
* Serial Management Protocol CCB
* XXX Currently the semantics for this CCB are that it is executed either
* by the addressed device, or that device's parent (i.e. an expander for
* any device on an expander) if the addressed device doesn't support SMP.
* Later, once we have the ability to probe SMP-only devices and put them
* in CAM's topology, the CCB will only be executed by the addressed device
* if possible.
*/
struct ccb_smpio {
struct ccb_hdr ccb_h;
uint8_t *smp_request;
int smp_request_len;
uint16_t smp_request_sglist_cnt;
uint8_t *smp_response;
int smp_response_len;
uint16_t smp_response_sglist_cnt;
ccb_smp_pass_flags flags;
};
typedef union {
u_int8_t *sense_ptr; /*
* Pointer to storage
* for sense information
*/
/* Storage Area for sense information */
struct scsi_sense_data sense_buf;
} sense_t;
typedef union {
u_int8_t *cdb_ptr; /* Pointer to the CDB bytes to send */
/* Area for the CDB send */
u_int8_t cdb_bytes[IOCDBLEN];
} cdb_t;
/*
* SCSI I/O Request CCB used for the XPT_SCSI_IO and XPT_CONT_TARGET_IO
* function codes.
*/
struct ccb_scsiio {
struct ccb_hdr ccb_h;
union ccb *next_ccb; /* Ptr for next CCB for action */
u_int8_t *req_map; /* Ptr to mapping info */
u_int8_t *data_ptr; /* Ptr to the data buf/SG list */
u_int32_t dxfer_len; /* Data transfer length */
/* Autosense storage */
struct scsi_sense_data sense_data;
u_int8_t sense_len; /* Number of bytes to autosense */
u_int8_t cdb_len; /* Number of bytes for the CDB */
u_int16_t sglist_cnt; /* Number of SG list entries */
u_int8_t scsi_status; /* Returned SCSI status */
u_int8_t sense_resid; /* Autosense resid length: 2's comp */
u_int32_t resid; /* Transfer residual length: 2's comp */
cdb_t cdb_io; /* Union for CDB bytes/pointer */
u_int8_t *msg_ptr; /* Pointer to the message buffer */
u_int16_t msg_len; /* Number of bytes for the Message */
u_int8_t tag_action; /* What to do for tag queueing */
/*
* The tag action should be either the define below (to send a
* non-tagged transaction) or one of the defined scsi tag messages
* from scsi_message.h.
*/
#define CAM_TAG_ACTION_NONE 0x00
u_int tag_id; /* tag id from initator (target mode) */
u_int init_id; /* initiator id of who selected */
};
/*
* ATA I/O Request CCB used for the XPT_ATA_IO function code.
*/
struct ccb_ataio {
struct ccb_hdr ccb_h;
union ccb *next_ccb; /* Ptr for next CCB for action */
struct ata_cmd cmd; /* ATA command register set */
struct ata_res res; /* ATA result register set */
u_int8_t *data_ptr; /* Ptr to the data buf/SG list */
u_int32_t dxfer_len; /* Data transfer length */
u_int32_t resid; /* Transfer residual length: 2's comp */
u_int8_t tag_action; /* What to do for tag queueing */
/*
* The tag action should be either the define below (to send a
* non-tagged transaction) or one of the defined scsi tag messages
* from scsi_message.h.
*/
#define CAM_TAG_ACTION_NONE 0x00
u_int tag_id; /* tag id from initator (target mode) */
u_int init_id; /* initiator id of who selected */
};
struct ccb_accept_tio {
struct ccb_hdr ccb_h;
cdb_t cdb_io; /* Union for CDB bytes/pointer */
u_int8_t cdb_len; /* Number of bytes for the CDB */
u_int8_t tag_action; /* What to do for tag queueing */
u_int8_t sense_len; /* Number of bytes of Sense Data */
u_int tag_id; /* tag id from initator (target mode) */
u_int init_id; /* initiator id of who selected */
struct scsi_sense_data sense_data;
};
/* Release SIM Queue */
struct ccb_relsim {
struct ccb_hdr ccb_h;
u_int32_t release_flags;
#define RELSIM_ADJUST_OPENINGS 0x01
#define RELSIM_RELEASE_AFTER_TIMEOUT 0x02
#define RELSIM_RELEASE_AFTER_CMDCMPLT 0x04
#define RELSIM_RELEASE_AFTER_QEMPTY 0x08
#define RELSIM_RELEASE_RUNLEVEL 0x10
u_int32_t openings;
u_int32_t release_timeout; /* Abstract argument. */
u_int32_t qfrozen_cnt;
};
/*
* Definitions for the asynchronous callback CCB fields.
*/
typedef enum {
AC_ADVINFO_CHANGED = 0x2000,/* Advance info might have changes */
AC_CONTRACT = 0x1000,/* A contractual callback */
AC_GETDEV_CHANGED = 0x800,/* Getdev info might have changed */
AC_INQ_CHANGED = 0x400,/* Inquiry info might have changed */
AC_TRANSFER_NEG = 0x200,/* New transfer settings in effect */
AC_LOST_DEVICE = 0x100,/* A device went away */
AC_FOUND_DEVICE = 0x080,/* A new device was found */
AC_PATH_DEREGISTERED = 0x040,/* A path has de-registered */
AC_PATH_REGISTERED = 0x020,/* A new path has been registered */
AC_SENT_BDR = 0x010,/* A BDR message was sent to target */
AC_SCSI_AEN = 0x008,/* A SCSI AEN has been received */
AC_UNSOL_RESEL = 0x002,/* Unsolicited reselection occurred */
AC_BUS_RESET = 0x001 /* A SCSI bus reset occurred */
} ac_code;
typedef void ac_callback_t (void *softc, u_int32_t code,
struct cam_path *path, void *args);
/*
* Generic Asynchronous callbacks.
*
* Generic arguments passed bac which are then interpreted between a per-system
* contract number.
*/
#define AC_CONTRACT_DATA_MAX (128 - sizeof (u_int64_t))
struct ac_contract {
u_int64_t contract_number;
u_int8_t contract_data[AC_CONTRACT_DATA_MAX];
};
#define AC_CONTRACT_DEV_CHG 1
struct ac_device_changed {
u_int64_t wwpn;
u_int32_t port;
target_id_t target;
u_int8_t arrived;
};
/* Set Asynchronous Callback CCB */
struct ccb_setasync {
struct ccb_hdr ccb_h;
u_int32_t event_enable; /* Async Event enables */
ac_callback_t *callback;
void *callback_arg;
};
/* Set Device Type CCB */
struct ccb_setdev {
struct ccb_hdr ccb_h;
u_int8_t dev_type; /* Value for dev type field in EDT */
};
/* SCSI Control Functions */
/* Abort XPT request CCB */
struct ccb_abort {
struct ccb_hdr ccb_h;
union ccb *abort_ccb; /* Pointer to CCB to abort */
};
/* Reset SCSI Bus CCB */
struct ccb_resetbus {
struct ccb_hdr ccb_h;
};
/* Reset SCSI Device CCB */
struct ccb_resetdev {
struct ccb_hdr ccb_h;
};
/* Terminate I/O Process Request CCB */
struct ccb_termio {
struct ccb_hdr ccb_h;
union ccb *termio_ccb; /* Pointer to CCB to terminate */
};
typedef enum {
CTS_TYPE_CURRENT_SETTINGS,
CTS_TYPE_USER_SETTINGS
} cts_type;
struct ccb_trans_settings_scsi
{
u_int valid; /* Which fields to honor */
#define CTS_SCSI_VALID_TQ 0x01
u_int flags;
#define CTS_SCSI_FLAGS_TAG_ENB 0x01
};
struct ccb_trans_settings_ata
{
u_int valid; /* Which fields to honor */
#define CTS_ATA_VALID_TQ 0x01
u_int flags;
#define CTS_ATA_FLAGS_TAG_ENB 0x01
};
struct ccb_trans_settings_spi
{
u_int valid; /* Which fields to honor */
#define CTS_SPI_VALID_SYNC_RATE 0x01
#define CTS_SPI_VALID_SYNC_OFFSET 0x02
#define CTS_SPI_VALID_BUS_WIDTH 0x04
#define CTS_SPI_VALID_DISC 0x08
#define CTS_SPI_VALID_PPR_OPTIONS 0x10
u_int flags;
#define CTS_SPI_FLAGS_DISC_ENB 0x01
u_int sync_period;
u_int sync_offset;
u_int bus_width;
u_int ppr_options;
};
struct ccb_trans_settings_fc {
u_int valid; /* Which fields to honor */
#define CTS_FC_VALID_WWNN 0x8000
#define CTS_FC_VALID_WWPN 0x4000
#define CTS_FC_VALID_PORT 0x2000
#define CTS_FC_VALID_SPEED 0x1000
u_int64_t wwnn; /* world wide node name */
u_int64_t wwpn; /* world wide port name */
u_int32_t port; /* 24 bit port id, if known */
u_int32_t bitrate; /* Mbps */
};
struct ccb_trans_settings_sas {
u_int valid; /* Which fields to honor */
#define CTS_SAS_VALID_SPEED 0x1000
u_int32_t bitrate; /* Mbps */
};
struct ccb_trans_settings_pata {
u_int valid; /* Which fields to honor */
#define CTS_ATA_VALID_MODE 0x01
#define CTS_ATA_VALID_BYTECOUNT 0x02
#define CTS_ATA_VALID_ATAPI 0x20
int mode; /* Mode */
u_int bytecount; /* Length of PIO transaction */
u_int atapi; /* Length of ATAPI CDB */
};
struct ccb_trans_settings_sata {
u_int valid; /* Which fields to honor */
#define CTS_SATA_VALID_MODE 0x01
#define CTS_SATA_VALID_BYTECOUNT 0x02
#define CTS_SATA_VALID_REVISION 0x04
#define CTS_SATA_VALID_PM 0x08
#define CTS_SATA_VALID_TAGS 0x10
#define CTS_SATA_VALID_ATAPI 0x20
#define CTS_SATA_VALID_CAPS 0x40
int mode; /* Legacy PATA mode */
u_int bytecount; /* Length of PIO transaction */
int revision; /* SATA revision */
u_int pm_present; /* PM is present (XPT->SIM) */
u_int tags; /* Number of allowed tags */
u_int atapi; /* Length of ATAPI CDB */
u_int caps; /* Device and host SATA caps. */
#define CTS_SATA_CAPS_H 0x0000ffff
#define CTS_SATA_CAPS_H_PMREQ 0x00000001
#define CTS_SATA_CAPS_H_APST 0x00000002
#define CTS_SATA_CAPS_H_DMAAA 0x00000010 /* Auto-activation */
#define CTS_SATA_CAPS_H_AN 0x00000020 /* Async. notification */
#define CTS_SATA_CAPS_D 0xffff0000
#define CTS_SATA_CAPS_D_PMREQ 0x00010000
#define CTS_SATA_CAPS_D_APST 0x00020000
};
/* Get/Set transfer rate/width/disconnection/tag queueing settings */
struct ccb_trans_settings {
struct ccb_hdr ccb_h;
cts_type type; /* Current or User settings */
cam_proto protocol;
u_int protocol_version;
cam_xport transport;
u_int transport_version;
union {
u_int valid; /* Which fields to honor */
struct ccb_trans_settings_ata ata;
struct ccb_trans_settings_scsi scsi;
} proto_specific;
union {
u_int valid; /* Which fields to honor */
struct ccb_trans_settings_spi spi;
struct ccb_trans_settings_fc fc;
struct ccb_trans_settings_sas sas;
struct ccb_trans_settings_pata ata;
struct ccb_trans_settings_sata sata;
} xport_specific;
};
/*
* Calculate the geometry parameters for a device
* give the block size and volume size in blocks.
*/
struct ccb_calc_geometry {
struct ccb_hdr ccb_h;
u_int32_t block_size;
u_int64_t volume_size;
u_int32_t cylinders;
u_int8_t heads;
u_int8_t secs_per_track;
};
/*
* Set or get SIM (and transport) specific knobs
*/
#define KNOB_VALID_ADDRESS 0x1
#define KNOB_VALID_ROLE 0x2
#define KNOB_ROLE_NONE 0x0
#define KNOB_ROLE_INITIATOR 0x1
#define KNOB_ROLE_TARGET 0x2
#define KNOB_ROLE_BOTH 0x3
struct ccb_sim_knob_settings_spi {
u_int valid;
u_int initiator_id;
u_int role;
};
struct ccb_sim_knob_settings_fc {
u_int valid;
u_int64_t wwnn; /* world wide node name */
u_int64_t wwpn; /* world wide port name */
u_int role;
};
struct ccb_sim_knob_settings_sas {
u_int valid;
u_int64_t wwnn; /* world wide node name */
u_int role;
};
#define KNOB_SETTINGS_SIZE 128
struct ccb_sim_knob {
struct ccb_hdr ccb_h;
union {
u_int valid; /* Which fields to honor */
struct ccb_sim_knob_settings_spi spi;
struct ccb_sim_knob_settings_fc fc;
struct ccb_sim_knob_settings_sas sas;
char pad[KNOB_SETTINGS_SIZE];
} xport_specific;
};
/*
* Rescan the given bus, or bus/target/lun
*/
struct ccb_rescan {
struct ccb_hdr ccb_h;
cam_flags flags;
};
/*
* Turn on debugging for the given bus, bus/target, or bus/target/lun.
*/
struct ccb_debug {
struct ccb_hdr ccb_h;
cam_debug_flags flags;
};
/* Target mode structures. */
struct ccb_en_lun {
struct ccb_hdr ccb_h;
u_int16_t grp6_len; /* Group 6 VU CDB length */
u_int16_t grp7_len; /* Group 7 VU CDB length */
u_int8_t enable;
};
/* old, barely used immediate notify, binary compatibility */
struct ccb_immed_notify {
struct ccb_hdr ccb_h;
struct scsi_sense_data sense_data;
u_int8_t sense_len; /* Number of bytes in sense buffer */
u_int8_t initiator_id; /* Id of initiator that selected */
u_int8_t message_args[7]; /* Message Arguments */
};
struct ccb_notify_ack {
struct ccb_hdr ccb_h;
u_int16_t seq_id; /* Sequence identifier */
u_int8_t event; /* Event flags */
};
struct ccb_immediate_notify {
struct ccb_hdr ccb_h;
u_int tag_id; /* Tag for immediate notify */
u_int seq_id; /* Tag for target of notify */
u_int initiator_id; /* Initiator Identifier */
u_int arg; /* Function specific */
};
struct ccb_notify_acknowledge {
struct ccb_hdr ccb_h;
u_int tag_id; /* Tag for immediate notify */
u_int seq_id; /* Tar for target of notify */
u_int initiator_id; /* Initiator Identifier */
u_int arg; /* Function specific */
};
/* HBA engine structures. */
typedef enum {
EIT_BUFFER, /* Engine type: buffer memory */
EIT_LOSSLESS, /* Engine type: lossless compression */
EIT_LOSSY, /* Engine type: lossy compression */
EIT_ENCRYPT /* Engine type: encryption */
} ei_type;
typedef enum {
EAD_VUNIQUE, /* Engine algorithm ID: vendor unique */
EAD_LZ1V1, /* Engine algorithm ID: LZ1 var.1 */
EAD_LZ2V1, /* Engine algorithm ID: LZ2 var.1 */
EAD_LZ2V2 /* Engine algorithm ID: LZ2 var.2 */
} ei_algo;
struct ccb_eng_inq {
struct ccb_hdr ccb_h;
u_int16_t eng_num; /* The engine number for this inquiry */
ei_type eng_type; /* Returned engine type */
ei_algo eng_algo; /* Returned engine algorithm type */
u_int32_t eng_memeory; /* Returned engine memory size */
};
struct ccb_eng_exec { /* This structure must match SCSIIO size */
struct ccb_hdr ccb_h;
u_int8_t *pdrv_ptr; /* Ptr used by the peripheral driver */
u_int8_t *req_map; /* Ptr for mapping info on the req. */
u_int8_t *data_ptr; /* Pointer to the data buf/SG list */
u_int32_t dxfer_len; /* Data transfer length */
u_int8_t *engdata_ptr; /* Pointer to the engine buffer data */
u_int16_t sglist_cnt; /* Num of scatter gather list entries */
u_int32_t dmax_len; /* Destination data maximum length */
u_int32_t dest_len; /* Destination data length */
int32_t src_resid; /* Source residual length: 2's comp */
u_int32_t timeout; /* Timeout value */
u_int16_t eng_num; /* Engine number for this request */
u_int16_t vu_flags; /* Vendor Unique flags */
};
/*
* Definitions for the timeout field in the SCSI I/O CCB.
*/
#define CAM_TIME_DEFAULT 0x00000000 /* Use SIM default value */
#define CAM_TIME_INFINITY 0xFFFFFFFF /* Infinite timeout */
#define CAM_SUCCESS 0 /* For signaling general success */
#define CAM_FAILURE 1 /* For signaling general failure */
#define CAM_FALSE 0
#define CAM_TRUE 1
#define XPT_CCB_INVALID -1 /* for signaling a bad CCB to free */
/*
* CCB for working with advanced device information. This operates in a fashion
* similar to XPT_GDEV_TYPE. Specify the target in ccb_h, the buffer
* type requested, and provide a buffer size/buffer to write to. If the
* buffer is too small, provsiz will be larger than bufsiz.
*/
struct ccb_dev_advinfo {
struct ccb_hdr ccb_h;
uint32_t flags;
#define CDAI_FLAG_STORE 0x1 /* If set, action becomes store */
uint32_t buftype; /* IN: Type of data being requested */
/* NB: buftype is interpreted on a per-transport basis */
#define CDAI_TYPE_SCSI_DEVID 1
#define CDAI_TYPE_SERIAL_NUM 2
#define CDAI_TYPE_PHYS_PATH 3
off_t bufsiz; /* IN: Size of external buffer */
#define CAM_SCSI_DEVID_MAXLEN 65536 /* length in buffer is an uint16_t */
off_t provsiz; /* OUT: Size required/used */
uint8_t *buf; /* IN/OUT: Buffer for requested data */
};
/*
* Union of all CCB types for kernel space allocation. This union should
* never be used for manipulating CCBs - its only use is for the allocation
* and deallocation of raw CCB space and is the return type of xpt_ccb_alloc
* and the argument to xpt_ccb_free.
*/
union ccb {
struct ccb_hdr ccb_h; /* For convenience */
struct ccb_scsiio csio;
struct ccb_getdev cgd;
struct ccb_getdevlist cgdl;
struct ccb_pathinq cpi;
struct ccb_relsim crs;
struct ccb_setasync csa;
struct ccb_setdev csd;
struct ccb_pathstats cpis;
struct ccb_getdevstats cgds;
struct ccb_dev_match cdm;
struct ccb_trans_settings cts;
struct ccb_calc_geometry ccg;
struct ccb_sim_knob knob;
struct ccb_abort cab;
struct ccb_resetbus crb;
struct ccb_resetdev crd;
struct ccb_termio tio;
struct ccb_accept_tio atio;
struct ccb_scsiio ctio;
struct ccb_en_lun cel;
struct ccb_immed_notify cin;
struct ccb_notify_ack cna;
struct ccb_immediate_notify cin1;
struct ccb_notify_acknowledge cna2;
struct ccb_eng_inq cei;
struct ccb_eng_exec cee;
struct ccb_smpio smpio;
struct ccb_rescan crcn;
struct ccb_debug cdbg;
struct ccb_ataio ataio;
struct ccb_dev_advinfo cdai;
};
__BEGIN_DECLS
static __inline void
cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int8_t tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int8_t sense_len, u_int8_t cdb_len,
u_int32_t timeout);
static __inline void
cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action, u_int tag_id,
u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t timeout);
static __inline void
cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int32_t timeout);
static __inline void
cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags,
uint8_t *smp_request, int smp_request_len,
uint8_t *smp_response, int smp_response_len,
uint32_t timeout);
static __inline void
cam_fill_csio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int8_t tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int8_t sense_len, u_int8_t cdb_len,
u_int32_t timeout)
{
csio->ccb_h.func_code = XPT_SCSI_IO;
csio->ccb_h.flags = flags;
csio->ccb_h.retry_count = retries;
csio->ccb_h.cbfcnp = cbfcnp;
csio->ccb_h.timeout = timeout;
csio->data_ptr = data_ptr;
csio->dxfer_len = dxfer_len;
csio->sense_len = sense_len;
csio->cdb_len = cdb_len;
csio->tag_action = tag_action;
}
static __inline void
cam_fill_ctio(struct ccb_scsiio *csio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action, u_int tag_id,
u_int init_id, u_int scsi_status, u_int8_t *data_ptr,
u_int32_t dxfer_len, u_int32_t timeout)
{
csio->ccb_h.func_code = XPT_CONT_TARGET_IO;
csio->ccb_h.flags = flags;
csio->ccb_h.retry_count = retries;
csio->ccb_h.cbfcnp = cbfcnp;
csio->ccb_h.timeout = timeout;
csio->data_ptr = data_ptr;
csio->dxfer_len = dxfer_len;
csio->scsi_status = scsi_status;
csio->tag_action = tag_action;
csio->tag_id = tag_id;
csio->init_id = init_id;
}
static __inline void
cam_fill_ataio(struct ccb_ataio *ataio, u_int32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *),
u_int32_t flags, u_int tag_action,
u_int8_t *data_ptr, u_int32_t dxfer_len,
u_int32_t timeout)
{
ataio->ccb_h.func_code = XPT_ATA_IO;
ataio->ccb_h.flags = flags;
ataio->ccb_h.retry_count = retries;
ataio->ccb_h.cbfcnp = cbfcnp;
ataio->ccb_h.timeout = timeout;
ataio->data_ptr = data_ptr;
ataio->dxfer_len = dxfer_len;
ataio->tag_action = tag_action;
}
static __inline void
cam_fill_smpio(struct ccb_smpio *smpio, uint32_t retries,
void (*cbfcnp)(struct cam_periph *, union ccb *), uint32_t flags,
uint8_t *smp_request, int smp_request_len,
uint8_t *smp_response, int smp_response_len,
uint32_t timeout)
{
#ifdef _KERNEL
KASSERT((flags & CAM_DIR_MASK) == CAM_DIR_BOTH,
("direction != CAM_DIR_BOTH"));
KASSERT((smp_request != NULL) && (smp_response != NULL),
("need valid request and response buffers"));
KASSERT((smp_request_len != 0) && (smp_response_len != 0),
("need non-zero request and response lengths"));
#endif /*_KERNEL*/
smpio->ccb_h.func_code = XPT_SMP_IO;
smpio->ccb_h.flags = flags;
smpio->ccb_h.retry_count = retries;
smpio->ccb_h.cbfcnp = cbfcnp;
smpio->ccb_h.timeout = timeout;
smpio->smp_request = smp_request;
smpio->smp_request_len = smp_request_len;
smpio->smp_response = smp_response;
smpio->smp_response_len = smp_response_len;
}
void cam_calc_geometry(struct ccb_calc_geometry *ccg, int extended);
__END_DECLS
#endif /* _CAM_CAM_CCB_H */