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/* $OpenBSD: vioscsi.h,v 1.2 2018/01/16 06:10:45 ccardenas Exp $ */
/*
* Copyright (c) 2017 Carlos Cardenas <ccardenas@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* Constants */
#define VIOSCSI_SEG_MAX 17
#define VIOSCSI_CDB_LEN 32
#define VIOSCSI_SENSE_LEN 96
#define VIOSCSI_NUM_QUEUES 1
#define VIOSCSI_CMD_PER_LUN 1
#define VIOSCSI_MAX_TARGET 1
#define VIOSCSI_MAX_LUN 1
#define VIOSCSI_BLOCK_SIZE_CDROM 2048
#define READ_TOC_START_TRACK 0x01
#define READ_TOC_LAST_TRACK 0x01
#define READ_TOC_LEAD_OUT_TRACK 0xaa
#define READ_TOC_ADR_CTL 0x14
#define SENSE_DEFAULT_ASCQ 0x00
#define SENSE_LBA_OUT_OF_RANGE 0x21
#define SENSE_ILLEGAL_CDB_FIELD 0x24
#define SENSE_MEDIUM_NOT_PRESENT 0x3a
#define INQUIRY_RESPONSE_FORMAT 0x02
#define INQUIRY_VENDOR "OpenBSD "
#define INQUIRY_VENDOR_LEN 8
#define INQUIRY_PRODUCT "VMM CD-ROM "
#define INQUIRY_PRODUCT_LEN 16
#define INQUIRY_REVISION "001 "
#define INQUIRY_REVISION_LEN 4
#define MODE_MEDIUM_TYPE_CODE 0x70
#define MODE_ERR_RECOVERY_PAGE_CODE 0x01
#define MODE_ERR_RECOVERY_PAGE_LEN 0x0a
#define MODE_READ_RETRY_COUNT 0x05
#define MODE_CDVD_CAP_PAGE_CODE 0x2a
#define MODE_CDVD_CAP_READ_CODE 0x08
#define MODE_CDVD_CAP_NUM_LEVELS 0x02
#define GESN_HEADER_LEN 0x06
#define G_CONFIG_REPLY_SIZE 56
#define G_CONFIG_REPLY_SIZE_HEX 0x0034
#define RPL_MIN_SIZE 16
/* Opcodes not defined in scsi */
#define GET_EVENT_STATUS_NOTIFICATION 0x4a
#define GET_CONFIGURATION 0x46
#define READ_DISC_INFORMATION 0x51
#define MECHANISM_STATUS 0xbd
/* Sizes for reply structures */
#define TOC_DATA_SIZE 20
#define GESN_SIZE 8
#define RESP_SENSE_LEN 14
/* Structures for Opcodes defined locally */
struct scsi_mechanism_status {
u_int8_t opcode;
u_int8_t unused[7];
u_int8_t length[2];
u_int8_t unused1;
u_int8_t control;
};
struct scsi_mechanism_status_header {
u_int8_t byte1;
u_int8_t byte2;
u_int8_t addr[3];
u_int8_t num_slots;
u_int8_t slot_len[2];
};
struct scsi_read_disc_information {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[5];
u_int8_t length[2];
u_int8_t control;
};
struct scsi_gesn {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t unused[2];
u_int8_t notify_class;
u_int8_t unused1[2];
u_int8_t length[2];
u_int8_t control;
};
struct scsi_gesn_event_header {
u_int8_t length[2];
u_int8_t notification;
#define GESN_NOTIFY_NONE 0x0
#define GESN_NOTIFY_OP_CHANGE 0x1
#define GESN_NOTIFY_POWER_MGMT 0x2
#define GESN_NOTIFY_EXT_REQUEST 0x3
#define GESN_NOTIFY_MEDIA 0x4
#define GESN_NOTIFY_MULTIPLE_HOSTS 0x5
#define GESN_NOTIFY_DEVICE_BUSY 0x6
#define GESN_NOTIFY_RESERVED 0x7
u_int8_t supported_event;
#define GESN_EVENT_NONE 0x1
#define GESN_EVENT_OP_CHANGE 0x2
#define GESN_EVENT_POWER_MGMT 0x4
#define GESN_EVENT_EXT_REQUEST 0x8
#define GESN_EVENT_MEDIA 0x10
#define GESN_EVENT_MULTIPLE_HOSTS 0x20
#define GESN_EVENT_DEVICE_BUSY 0x40
#define GESN_EVENT_RESERVED 0x80
};
struct scsi_gesn_power_event {
u_int8_t event_code;
#define GESN_CODE_NOCHG 0x0
#define GESN_CODE_PWRCHG_SUCCESS 0x1
#define GESN_CODE_PWRCHG_FAIL 0x2
#define GESN_CODE_RESERVED 0x3
u_int8_t status;
#define GESN_STATUS_RESERVED 0x0
#define GESN_STATUS_ACTIVE 0x1
#define GESN_STATUS_IDLE 0x2
#define GESN_STATUS_STANDBY 0x3
#define GESN_STATUS_SLEEP 0x4
u_int8_t unused[2];
};
struct scsi_get_configuration {
u_int8_t opcode;
u_int8_t byte2;
u_int8_t feature[2];
u_int8_t unused[3];
u_int8_t length[2];
u_int8_t control;
};
struct scsi_config_feature_header {
u_int8_t length[4];
u_int8_t unused[2];
u_int8_t current_profile[2];
/* Complete Profile List in MMC-5, 5.3.1, Table 89 */
#define CONFIG_PROFILE_RESERVED 0x0000
#define CONFIG_PROFILE_CD_ROM 0x0008
#define CONFIG_PROFILE_NON_CONFORM 0xffff
};
struct scsi_config_generic_descriptor {
u_int8_t feature_code[2];
/* Complete Feature Code List in MMC-5, 5.2.3, Table 86 */
#define CONFIG_FEATURE_CODE_PROFILE 0x0000
#define CONFIG_FEATURE_CODE_CORE 0x0001
#define CONFIG_FEATURE_CODE_MORPHING 0x0002
#define CONFIG_FEATURE_CODE_REMOVE_MEDIA 0x0004
#define CONFIG_FEATURE_CODE_RANDOM_READ 0x0010
u_int8_t byte3;
#define CONFIG_PROFILELIST_BYTE3 0x03
u_int8_t length;
#define CONFIG_PROFILELIST_LENGTH 0x04
};
struct scsi_config_profile_descriptor {
u_int8_t profile_number[2];
u_int8_t byte3;
#define CONFIG_PROFILE_BYTE3 0x01
u_int8_t unused;
};
struct scsi_config_core_descriptor {
u_int8_t feature_code[2];
u_int8_t byte3;
#define CONFIG_CORE_BYTE3 0x11
u_int8_t length;
#define CONFIG_CORE_LENGTH 0x08
u_int8_t phy_std[4];
/* Complete PHYs List in MMC-5, 5.3.2, Table 91 */
#define CONFIG_CORE_PHY_SCSI 0x00000001
u_int8_t unused[4];
};
struct scsi_config_morphing_descriptor {
u_int8_t feature_code[2];
u_int8_t byte3;
#define CONFIG_MORPHING_BYTE3 0x07
u_int8_t length;
#define CONFIG_MORPHING_LENGTH 0x04
/* OCE (bit 1), always set and ASYNC (bit 0) Bit */
u_int8_t byte5;
#define CONFIG_MORPHING_BYTE5 0x2
u_int8_t unused[3];
};
struct scsi_config_remove_media_descriptor {
u_int8_t feature_code[2];
u_int8_t byte3;
#define CONFIG_REMOVE_MEDIA_BYTE3 0x03
u_int8_t length;
#define CONFIG_REMOVE_MEDIA_LENGTH 0x04
/* Ejection Type */
u_int8_t byte5;
#define CONFIG_REMOVE_MEDIA_BYTE5 0x09
u_int8_t unused[3];
};
struct scsi_config_random_read_descriptor {
u_int8_t feature_code[2];
u_int8_t byte3;
#define CONFIG_RANDOM_READ_BYTE3 0x03
u_int8_t length;
#define CONFIG_RANDOM_READ_LENGTH 0x08
u_int8_t block_size[4];
u_int8_t blocking_type[2];
#define CONFIG_RANDOM_READ_BLOCKING_TYPE 0x0010
u_int8_t unused[2];
};
/*
* Variant of scsi_report_luns_data in scsi_all.h
* but with only one lun in the lun list
*/
struct vioscsi_report_luns_data {
u_int8_t length[4];
u_int8_t reserved[4];
#define RPL_SINGLE_LUN 8
u_int8_t lun[RPL_SINGLE_LUN];
};
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