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freebsd-dev/sys/cam/ctl/ctl_ioctl.h
Alexander Motin e806165bee Remove disabled CTL_LEGACY_STATS support. 
It was not only disabled for quite a while, but also appeared to be broken
at r325517, when maximum number of ports was made configurable.

MFC after:	1 week
2019-02-23 04:24:44 +00:00

781 lines
22 KiB
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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2003 Silicon Graphics International Corp.
* Copyright (c) 2011 Spectra Logic Corporation
* Copyright (c) 2014-2017 Alexander Motin <mav@FreeBSD.org>
* 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.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR 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 DAMAGES.
*
* $Id: //depot/users/kenm/FreeBSD-test2/sys/cam/ctl/ctl_ioctl.h#4 $
* $FreeBSD$
*/
/*
* CAM Target Layer ioctl interface.
*
* Author: Ken Merry <ken@FreeBSD.org>
*/
#ifndef _CTL_IOCTL_H_
#define _CTL_IOCTL_H_
#ifdef ICL_KERNEL_PROXY
#include <sys/socket.h>
#endif
#include <sys/ioccom.h>
#include <sys/nv.h>
#define CTL_DEFAULT_DEV "/dev/cam/ctl"
/*
* Maximum number of targets we support.
*/
#define CTL_MAX_TARGETS 1
/*
* Maximum target ID we support.
*/
#define CTL_MAX_TARGID 15
/*
* Maximum number of initiators per port.
*/
#define CTL_MAX_INIT_PER_PORT 2048
/* Hopefully this won't conflict with new misc devices that pop up */
#define CTL_MINOR 225
typedef enum {
CTL_DELAY_TYPE_NONE,
CTL_DELAY_TYPE_CONT,
CTL_DELAY_TYPE_ONESHOT
} ctl_delay_type;
typedef enum {
CTL_DELAY_LOC_NONE,
CTL_DELAY_LOC_DATAMOVE,
CTL_DELAY_LOC_DONE,
} ctl_delay_location;
typedef enum {
CTL_DELAY_STATUS_NONE,
CTL_DELAY_STATUS_OK,
CTL_DELAY_STATUS_INVALID_LUN,
CTL_DELAY_STATUS_INVALID_TYPE,
CTL_DELAY_STATUS_INVALID_LOC,
CTL_DELAY_STATUS_NOT_IMPLEMENTED
} ctl_delay_status;
struct ctl_io_delay_info {
uint32_t lun_id;
ctl_delay_type delay_type;
ctl_delay_location delay_loc;
uint32_t delay_secs;
ctl_delay_status status;
};
typedef enum {
CTL_STATS_NO_IO,
CTL_STATS_READ,
CTL_STATS_WRITE
} ctl_stat_types;
#define CTL_STATS_NUM_TYPES 3
typedef enum {
CTL_SS_OK,
CTL_SS_NEED_MORE_SPACE,
CTL_SS_ERROR
} ctl_stats_status;
typedef enum {
CTL_STATS_FLAG_NONE = 0x00,
CTL_STATS_FLAG_TIME_VALID = 0x01
} ctl_stats_flags;
struct ctl_io_stats {
uint32_t item;
uint64_t bytes[CTL_STATS_NUM_TYPES];
uint64_t operations[CTL_STATS_NUM_TYPES];
uint64_t dmas[CTL_STATS_NUM_TYPES];
struct bintime time[CTL_STATS_NUM_TYPES];
struct bintime dma_time[CTL_STATS_NUM_TYPES];
};
struct ctl_get_io_stats {
struct ctl_io_stats *stats; /* passed to/from kernel */
size_t alloc_len; /* passed to kernel */
size_t fill_len; /* passed to userland */
int first_item; /* passed to kernel */
int num_items; /* passed to userland */
ctl_stats_status status; /* passed to userland */
ctl_stats_flags flags; /* passed to userland */
struct timespec timestamp; /* passed to userland */
};
/*
* The types of errors that can be injected:
*
* NONE: No error specified.
* ABORTED: SSD_KEY_ABORTED_COMMAND, 0x45, 0x00
* MEDIUM_ERR: Medium error, different asc/ascq depending on read/write.
* UA: Unit attention.
* CUSTOM: User specifies the sense data.
* TYPE: Mask to use with error types.
*
* Flags that affect injection behavior:
* CONTINUOUS: This error will stay around until explicitly cleared.
* DESCRIPTOR: Use descriptor sense instead of fixed sense.
*/
typedef enum {
CTL_LUN_INJ_NONE = 0x000,
CTL_LUN_INJ_ABORTED = 0x001,
CTL_LUN_INJ_MEDIUM_ERR = 0x002,
CTL_LUN_INJ_UA = 0x003,
CTL_LUN_INJ_CUSTOM = 0x004,
CTL_LUN_INJ_TYPE = 0x0ff,
CTL_LUN_INJ_CONTINUOUS = 0x100,
CTL_LUN_INJ_DESCRIPTOR = 0x200
} ctl_lun_error;
/*
* Flags to specify what type of command the given error pattern will
* execute on. The first group of types can be ORed together.
*
* READ: Any read command.
* WRITE: Any write command.
* READWRITE: Any read or write command.
* READCAP: Any read capacity command.
* TUR: Test Unit Ready.
* ANY: Any command.
* MASK: Mask for basic command patterns.
*
* Special types:
*
* CMD: The CDB to act on is specified in struct ctl_error_desc_cmd.
* RANGE: For read/write commands, act when the LBA is in the
* specified range.
*/
typedef enum {
CTL_LUN_PAT_NONE = 0x000,
CTL_LUN_PAT_READ = 0x001,
CTL_LUN_PAT_WRITE = 0x002,
CTL_LUN_PAT_READWRITE = CTL_LUN_PAT_READ | CTL_LUN_PAT_WRITE,
CTL_LUN_PAT_READCAP = 0x004,
CTL_LUN_PAT_TUR = 0x008,
CTL_LUN_PAT_ANY = 0x0ff,
CTL_LUN_PAT_MASK = 0x0ff,
CTL_LUN_PAT_CMD = 0x100,
CTL_LUN_PAT_RANGE = 0x200
} ctl_lun_error_pattern;
/*
* This structure allows the user to specify a particular CDB pattern to
* look for.
*
* cdb_pattern: Fill in the relevant bytes to look for in the CDB.
* cdb_valid_bytes: Bitmask specifying valid bytes in the cdb_pattern.
* flags: Specify any command flags (see ctl_io_flags) that
* should be set.
*/
struct ctl_error_desc_cmd {
uint8_t cdb_pattern[CTL_MAX_CDBLEN];
uint32_t cdb_valid_bytes;
uint32_t flags;
};
/*
* Error injection descriptor.
*
* lun_id LUN to act on.
* lun_error: The type of error to inject. See above for descriptions.
* error_pattern: What kind of command to act on. See above.
* cmd_desc: For CTL_LUN_PAT_CMD only.
* lba_range: For CTL_LUN_PAT_RANGE only.
* custom_sense: Specify sense. For CTL_LUN_INJ_CUSTOM only.
* serial: Serial number returned by the kernel. Use for deletion.
* links: Kernel use only.
*/
struct ctl_error_desc {
uint32_t lun_id; /* To kernel */
ctl_lun_error lun_error; /* To kernel */
ctl_lun_error_pattern error_pattern; /* To kernel */
struct ctl_error_desc_cmd cmd_desc; /* To kernel */
struct ctl_lba_len lba_range; /* To kernel */
struct scsi_sense_data custom_sense; /* To kernel */
uint64_t serial; /* From kernel */
STAILQ_ENTRY(ctl_error_desc) links; /* Kernel use only */
};
typedef enum {
CTL_OOA_FLAG_NONE = 0x00,
CTL_OOA_FLAG_ALL_LUNS = 0x01
} ctl_ooa_flags;
typedef enum {
CTL_OOA_OK,
CTL_OOA_NEED_MORE_SPACE,
CTL_OOA_ERROR
} ctl_get_ooa_status;
typedef enum {
CTL_OOACMD_FLAG_NONE = 0x00,
CTL_OOACMD_FLAG_DMA = 0x01,
CTL_OOACMD_FLAG_BLOCKED = 0x02,
CTL_OOACMD_FLAG_ABORT = 0x04,
CTL_OOACMD_FLAG_RTR = 0x08,
CTL_OOACMD_FLAG_DMA_QUEUED = 0x10
} ctl_ooa_cmd_flags;
struct ctl_ooa_entry {
ctl_ooa_cmd_flags cmd_flags;
uint8_t cdb[CTL_MAX_CDBLEN];
uint8_t cdb_len;
uint32_t tag_num;
uint32_t lun_num;
struct bintime start_bt;
};
struct ctl_ooa {
ctl_ooa_flags flags; /* passed to kernel */
uint64_t lun_num; /* passed to kernel */
uint32_t alloc_len; /* passed to kernel */
uint32_t alloc_num; /* passed to kernel */
struct ctl_ooa_entry *entries; /* filled in kernel */
uint32_t fill_len; /* passed to userland */
uint32_t fill_num; /* passed to userland */
uint32_t dropped_num; /* passed to userland */
struct bintime cur_bt; /* passed to userland */
ctl_get_ooa_status status; /* passed to userland */
};
typedef enum {
CTL_LUN_NOSTATUS,
CTL_LUN_OK,
CTL_LUN_ERROR,
CTL_LUN_WARNING
} ctl_lun_status;
#define CTL_ERROR_STR_LEN 160
typedef enum {
CTL_LUNREQ_CREATE,
CTL_LUNREQ_RM,
CTL_LUNREQ_MODIFY,
} ctl_lunreq_type;
/*
* The ID_REQ flag is used to say that the caller has requested a
* particular LUN ID in the req_lun_id field. If we cannot allocate that
* LUN ID, the ctl_add_lun() call will fail.
*
* The STOPPED flag tells us that the LUN should default to the powered
* off state. It will return 0x04,0x02 until it is powered up. ("Logical
* unit not ready, initializing command required.")
*
* The NO_MEDIA flag tells us that the LUN has no media inserted.
*
* The PRIMARY flag tells us that this LUN is registered as a Primary LUN
* which is accessible via the Master shelf controller in an HA. This flag
* being set indicates a Primary LUN. This flag being reset represents a
* Secondary LUN controlled by the Secondary controller in an HA
* configuration. Flag is applicable at this time to T_DIRECT types.
*
* The SERIAL_NUM flag tells us that the serial_num field is filled in and
* valid for use in SCSI INQUIRY VPD page 0x80.
*
* The DEVID flag tells us that the device_id field is filled in and
* valid for use in SCSI INQUIRY VPD page 0x83.
*
* The DEV_TYPE flag tells us that the device_type field is filled in.
*
* The EJECTED flag tells us that the removable LUN has tray open.
*
* The UNMAP flag tells us that this LUN supports UNMAP.
*
* The OFFLINE flag tells us that this LUN can not access backing store.
*/
typedef enum {
CTL_LUN_FLAG_ID_REQ = 0x01,
CTL_LUN_FLAG_STOPPED = 0x02,
CTL_LUN_FLAG_NO_MEDIA = 0x04,
CTL_LUN_FLAG_PRIMARY = 0x08,
CTL_LUN_FLAG_SERIAL_NUM = 0x10,
CTL_LUN_FLAG_DEVID = 0x20,
CTL_LUN_FLAG_DEV_TYPE = 0x40,
CTL_LUN_FLAG_UNMAP = 0x80,
CTL_LUN_FLAG_EJECTED = 0x100,
CTL_LUN_FLAG_READONLY = 0x200
} ctl_backend_lun_flags;
/*
* LUN creation parameters:
*
* flags: Various LUN flags, see above.
*
* device_type: The SCSI device type. e.g. 0 for Direct Access,
* 3 for Processor, etc. Only certain backends may
* support setting this field. The CTL_LUN_FLAG_DEV_TYPE
* flag should be set in the flags field if the device
* type is set.
*
* lun_size_bytes: The size of the LUN in bytes. For some backends
* this is relevant (e.g. ramdisk), for others, it may
* be ignored in favor of using the properties of the
* backing store. If specified, this should be a
* multiple of the blocksize.
*
* The actual size of the LUN is returned in this
* field.
*
* blocksize_bytes: The LUN blocksize in bytes. For some backends this
* is relevant, for others it may be ignored in
* favor of using the properties of the backing store.
*
* The actual blocksize of the LUN is returned in this
* field.
*
* req_lun_id: The requested LUN ID. The CTL_LUN_FLAG_ID_REQ flag
* should be set if this is set. The request will be
* granted if the LUN number is available, otherwise
* the LUN addition request will fail.
*
* The allocated LUN number is returned in this field.
*
* serial_num: This is the value returned in SCSI INQUIRY VPD page
* 0x80. If it is specified, the CTL_LUN_FLAG_SERIAL_NUM
* flag should be set.
*
* The serial number value used is returned in this
* field.
*
* device_id: This is the value returned in the T10 vendor ID
* based DESIGNATOR field in the SCSI INQUIRY VPD page
* 0x83 data. If it is specified, the CTL_LUN_FLAG_DEVID
* flag should be set.
*
* The device id value used is returned in this field.
*/
struct ctl_lun_create_params {
ctl_backend_lun_flags flags;
uint8_t device_type;
uint64_t lun_size_bytes;
uint32_t blocksize_bytes;
uint32_t req_lun_id;
uint8_t serial_num[CTL_SN_LEN];
uint8_t device_id[CTL_DEVID_LEN];
};
/*
* LUN removal parameters:
*
* lun_id: The number of the LUN to delete. This must be set.
* The LUN must be backed by the given backend.
*/
struct ctl_lun_rm_params {
uint32_t lun_id;
};
/*
* LUN modification parameters:
*
* lun_id: The number of the LUN to modify. This must be set.
* The LUN must be backed by the given backend.
*
* lun_size_bytes: The size of the LUN in bytes. If zero, update
* the size using the backing file size, if possible.
*/
struct ctl_lun_modify_params {
uint32_t lun_id;
uint64_t lun_size_bytes;
};
/*
* Union of request type data. Fill in the appropriate union member for
* the request type.
*/
union ctl_lunreq_data {
struct ctl_lun_create_params create;
struct ctl_lun_rm_params rm;
struct ctl_lun_modify_params modify;
};
/*
* LUN request interface:
*
* backend: This is required, and is NUL-terminated a string
* that is the name of the backend, like "ramdisk" or
* "block".
*
* reqtype: The type of request, CTL_LUNREQ_CREATE to create a
* LUN, CTL_LUNREQ_RM to delete a LUN.
*
* reqdata: Request type-specific information. See the
* description of individual the union members above
* for more information.
*
* num_be_args: This is the number of backend-specific arguments
* in the be_args array.
*
* be_args: This is an array of backend-specific arguments.
* See above for a description of the fields in this
* structure.
*
* status: Status of the LUN request.
*
* error_str: If the status is CTL_LUN_ERROR, this will
* contain a string describing the error.
*
* kern_be_args: For kernel use only.
*/
struct ctl_lun_req {
#define CTL_BE_NAME_LEN 32
char backend[CTL_BE_NAME_LEN];
ctl_lunreq_type reqtype;
union ctl_lunreq_data reqdata;
void * args;
nvlist_t * args_nvl;
size_t args_len;
void * result;
nvlist_t * result_nvl;
size_t result_len;
ctl_lun_status status;
char error_str[CTL_ERROR_STR_LEN];
};
/*
* LUN list status:
*
* NONE: No status.
*
* OK: Request completed successfully.
*
* NEED_MORE_SPACE: The allocated length of the entries field is too
* small for the available data.
*
* ERROR: An error occurred, look at the error string for a
* description of the error.
*/
typedef enum {
CTL_LUN_LIST_NONE,
CTL_LUN_LIST_OK,
CTL_LUN_LIST_NEED_MORE_SPACE,
CTL_LUN_LIST_ERROR
} ctl_lun_list_status;
/*
* LUN list interface
*
* backend_name: This is a NUL-terminated string. If the string
* length is 0, then all LUNs on all backends will
* be enumerated. Otherwise this is the name of the
* backend to be enumerated, like "ramdisk" or "block".
*
* alloc_len: The length of the data buffer allocated for entries.
* In order to properly size the buffer, make one call
* with alloc_len set to 0, and then use the returned
* dropped_len as the buffer length to allocate and
* pass in on a subsequent call.
*
* lun_xml: XML-formatted information on the requested LUNs.
*
* fill_len: The amount of data filled in the storage for entries.
*
* status: The status of the request. See above for the
* description of the values of this field.
*
* error_str: If the status indicates an error, this string will
* be filled in to describe the error.
*/
struct ctl_lun_list {
char backend[CTL_BE_NAME_LEN]; /* passed to kernel*/
uint32_t alloc_len; /* passed to kernel */
char *lun_xml; /* filled in kernel */
uint32_t fill_len; /* passed to userland */
ctl_lun_list_status status; /* passed to userland */
char error_str[CTL_ERROR_STR_LEN];
/* passed to userland */
};
/*
* Port request interface:
*
* driver: This is required, and is NUL-terminated a string
* that is the name of the frontend, like "iscsi" .
*
* reqtype: The type of request, CTL_REQ_CREATE to create a
* port, CTL_REQ_REMOVE to delete a port.
*
* num_be_args: This is the number of frontend-specific arguments
* in the be_args array.
*
* be_args: This is an array of frontend-specific arguments.
* See above for a description of the fields in this
* structure.
*
* status: Status of the request.
*
* error_str: If the status is CTL_LUN_ERROR, this will
* contain a string describing the error.
*
* kern_be_args: For kernel use only.
*/
typedef enum {
CTL_REQ_CREATE,
CTL_REQ_REMOVE,
CTL_REQ_MODIFY,
} ctl_req_type;
struct ctl_req {
char driver[CTL_DRIVER_NAME_LEN];
ctl_req_type reqtype;
void * args;
nvlist_t * args_nvl;
size_t args_len;
void * result;
nvlist_t * result_nvl;
size_t result_len;
ctl_lun_status status;
char error_str[CTL_ERROR_STR_LEN];
};
/*
* iSCSI status
*
* OK: Request completed successfully.
*
* ERROR: An error occurred, look at the error string for a
* description of the error.
*
* CTL_ISCSI_LIST_NEED_MORE_SPACE:
* User has to pass larger buffer for CTL_ISCSI_LIST ioctl.
*/
typedef enum {
CTL_ISCSI_OK,
CTL_ISCSI_ERROR,
CTL_ISCSI_LIST_NEED_MORE_SPACE,
CTL_ISCSI_SESSION_NOT_FOUND
} ctl_iscsi_status;
typedef enum {
CTL_ISCSI_HANDOFF,
CTL_ISCSI_LIST,
CTL_ISCSI_LOGOUT,
CTL_ISCSI_TERMINATE,
CTL_ISCSI_LIMITS,
#if defined(ICL_KERNEL_PROXY) || 1
/*
* We actually need those in all cases, but leave the ICL_KERNEL_PROXY,
* to remember to remove them along with rest of proxy code, eventually.
*/
CTL_ISCSI_LISTEN,
CTL_ISCSI_ACCEPT,
CTL_ISCSI_SEND,
CTL_ISCSI_RECEIVE,
#endif
} ctl_iscsi_type;
typedef enum {
CTL_ISCSI_DIGEST_NONE,
CTL_ISCSI_DIGEST_CRC32C
} ctl_iscsi_digest;
#define CTL_ISCSI_NAME_LEN 224 /* 223 bytes, by RFC 3720, + '\0' */
#define CTL_ISCSI_ADDR_LEN 47 /* INET6_ADDRSTRLEN + '\0' */
#define CTL_ISCSI_ALIAS_LEN 128 /* Arbitrary. */
#define CTL_ISCSI_OFFLOAD_LEN 8 /* Arbitrary. */
struct ctl_iscsi_handoff_params {
char initiator_name[CTL_ISCSI_NAME_LEN];
char initiator_addr[CTL_ISCSI_ADDR_LEN];
char initiator_alias[CTL_ISCSI_ALIAS_LEN];
uint8_t initiator_isid[6];
char target_name[CTL_ISCSI_NAME_LEN];
int socket;
int portal_group_tag;
/*
* Connection parameters negotiated by ctld(8).
*/
ctl_iscsi_digest header_digest;
ctl_iscsi_digest data_digest;
uint32_t cmdsn;
uint32_t statsn;
int max_recv_data_segment_length;
int max_burst_length;
int first_burst_length;
uint32_t immediate_data;
char offload[CTL_ISCSI_OFFLOAD_LEN];
#ifdef ICL_KERNEL_PROXY
int connection_id;
#else
int spare;
#endif
int max_send_data_segment_length;
};
struct ctl_iscsi_list_params {
uint32_t alloc_len; /* passed to kernel */
char *conn_xml; /* filled in kernel */
uint32_t fill_len; /* passed to userland */
int spare[4];
};
struct ctl_iscsi_logout_params {
int connection_id; /* passed to kernel */
char initiator_name[CTL_ISCSI_NAME_LEN];
/* passed to kernel */
char initiator_addr[CTL_ISCSI_ADDR_LEN];
/* passed to kernel */
int all; /* passed to kernel */
int spare[4];
};
struct ctl_iscsi_terminate_params {
int connection_id; /* passed to kernel */
char initiator_name[CTL_ISCSI_NAME_LEN];
/* passed to kernel */
char initiator_addr[CTL_ISCSI_NAME_LEN];
/* passed to kernel */
int all; /* passed to kernel */
int spare[4];
};
struct ctl_iscsi_limits_params {
/* passed to kernel */
char offload[CTL_ISCSI_OFFLOAD_LEN];
/* passed to userland */
size_t spare;
int max_recv_data_segment_length;
int max_send_data_segment_length;
int max_burst_length;
int first_burst_length;
};
#ifdef ICL_KERNEL_PROXY
struct ctl_iscsi_listen_params {
int iser;
int domain;
int socktype;
int protocol;
struct sockaddr *addr;
socklen_t addrlen;
int portal_id;
int spare[4];
};
struct ctl_iscsi_accept_params {
int connection_id;
int portal_id;
struct sockaddr *initiator_addr;
socklen_t initiator_addrlen;
int spare[4];
};
struct ctl_iscsi_send_params {
int connection_id;
void *bhs;
size_t spare;
void *spare2;
size_t data_segment_len;
void *data_segment;
int spare3[4];
};
struct ctl_iscsi_receive_params {
int connection_id;
void *bhs;
size_t spare;
void *spare2;
size_t data_segment_len;
void *data_segment;
int spare3[4];
};
#endif /* ICL_KERNEL_PROXY */
union ctl_iscsi_data {
struct ctl_iscsi_handoff_params handoff;
struct ctl_iscsi_list_params list;
struct ctl_iscsi_logout_params logout;
struct ctl_iscsi_terminate_params terminate;
struct ctl_iscsi_limits_params limits;
#ifdef ICL_KERNEL_PROXY
struct ctl_iscsi_listen_params listen;
struct ctl_iscsi_accept_params accept;
struct ctl_iscsi_send_params send;
struct ctl_iscsi_receive_params receive;
#endif
};
/*
* iSCSI interface
*
* status: The status of the request. See above for the
* description of the values of this field.
*
* error_str: If the status indicates an error, this string will
* be filled in to describe the error.
*/
struct ctl_iscsi {
ctl_iscsi_type type; /* passed to kernel */
union ctl_iscsi_data data; /* passed to kernel */
ctl_iscsi_status status; /* passed to userland */
char error_str[CTL_ERROR_STR_LEN];
/* passed to userland */
};
struct ctl_lun_map {
uint32_t port;
uint32_t plun;
uint32_t lun;
};
#define CTL_IO _IOWR(CTL_MINOR, 0x00, union ctl_io)
#define CTL_ENABLE_PORT _IOW(CTL_MINOR, 0x04, struct ctl_port_entry)
#define CTL_DISABLE_PORT _IOW(CTL_MINOR, 0x05, struct ctl_port_entry)
#define CTL_DELAY_IO _IOWR(CTL_MINOR, 0x10, struct ctl_io_delay_info)
#define CTL_ERROR_INJECT _IOWR(CTL_MINOR, 0x16, struct ctl_error_desc)
#define CTL_GET_OOA _IOWR(CTL_MINOR, 0x18, struct ctl_ooa)
#define CTL_DUMP_STRUCTS _IO(CTL_MINOR, 0x19)
#define CTL_LUN_REQ _IOWR(CTL_MINOR, 0x21, struct ctl_lun_req)
#define CTL_LUN_LIST _IOWR(CTL_MINOR, 0x22, struct ctl_lun_list)
#define CTL_ERROR_INJECT_DELETE _IOW(CTL_MINOR, 0x23, struct ctl_error_desc)
#define CTL_SET_PORT_WWNS _IOW(CTL_MINOR, 0x24, struct ctl_port_entry)
#define CTL_ISCSI _IOWR(CTL_MINOR, 0x25, struct ctl_iscsi)
#define CTL_PORT_REQ _IOWR(CTL_MINOR, 0x26, struct ctl_req)
#define CTL_PORT_LIST _IOWR(CTL_MINOR, 0x27, struct ctl_lun_list)
#define CTL_LUN_MAP _IOW(CTL_MINOR, 0x28, struct ctl_lun_map)
#define CTL_GET_LUN_STATS _IOWR(CTL_MINOR, 0x29, struct ctl_get_io_stats)
#define CTL_GET_PORT_STATS _IOWR(CTL_MINOR, 0x2a, struct ctl_get_io_stats)
#endif /* _CTL_IOCTL_H_ */
/*
* vim: ts=8
*/
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