/* * 86Box A hypervisor and IBM PC system emulator that specializes in * running old operating systems and software designed for IBM * PC systems and compatibles from 1981 through fairly recent * system designs based on the PCI bus. * * This file is part of the 86Box distribution. * * SCSI controller handler header. * * Version: @(#)scsi_h 1.0.0 2017/08/22 * * Authors: TheCollector1995, * Miran Grca, * Fred N. van Kempen, * Copyright 2008-2017 TheCollector1995. * Copyright 2016-2017 Miran Grca. * Copyright 2017-2017 Fred N. van Kempen. */ #ifndef SCSI_H #define SCSI_H #ifdef WALTJE #define SCSI_TIME (50 * (1 << TIMER_SHIFT)) #else #define SCSI_TIME (5 * 100 * (1 << TIMER_SHIFT)) #endif /* SCSI commands. */ #define GPCMD_TEST_UNIT_READY 0x00 #define GPCMD_REZERO_UNIT 0x01 #define GPCMD_REQUEST_SENSE 0x03 #define GPCMD_FORMAT_UNIT 0x04 #define GPCMD_READ_6 0x08 #define GPCMD_WRITE_6 0x0a #define GPCMD_SEEK_6 0x0b #define GPCMD_INQUIRY 0x12 #define GPCMD_VERIFY_6 0x13 #define GPCMD_MODE_SELECT_6 0x15 #define GPCMD_MODE_SENSE_6 0x1a #define GPCMD_START_STOP_UNIT 0x1b #define GPCMD_PREVENT_REMOVAL 0x1e #define GPCMD_READ_CDROM_CAPACITY 0x25 #define GPCMD_READ_10 0x28 #define GPCMD_WRITE_10 0x2a #define GPCMD_SEEK_10 0x2b #define GPCMD_VERIFY_10 0x2f #define GPCMD_READ_SUBCHANNEL 0x42 #define GPCMD_READ_TOC_PMA_ATIP 0x43 #define GPCMD_READ_HEADER 0x44 #define GPCMD_PLAY_AUDIO_10 0x45 #define GPCMD_GET_CONFIGURATION 0x46 #define GPCMD_PLAY_AUDIO_MSF 0x47 #define GPCMD_PLAY_AUDIO_TRACK_INDEX 0x48 #define GPCMD_GET_EVENT_STATUS_NOTIFICATION 0x4a #define GPCMD_PAUSE_RESUME 0x4b #define GPCMD_STOP_PLAY_SCAN 0x4e #define GPCMD_READ_DISC_INFORMATION 0x51 #define GPCMD_READ_TRACK_INFORMATION 0x52 #define GPCMD_MODE_SELECT_10 0x55 #define GPCMD_MODE_SENSE_10 0x5a #define GPCMD_PLAY_AUDIO_12 0xa5 #define GPCMD_READ_12 0xa8 #define GPCMD_WRITE_12 0xaa #define GPCMD_READ_DVD_STRUCTURE 0xad /* For reading. */ #define GPCMD_VERIFY_12 0xaf #define GPCMD_PLAY_CD_OLD 0xb4 #define GPCMD_READ_CD_OLD 0xb8 #define GPCMD_READ_CD_MSF 0xb9 #define GPCMD_SCAN 0xba #define GPCMD_SET_SPEED 0xbb #define GPCMD_PLAY_CD 0xbc #define GPCMD_MECHANISM_STATUS 0xbd #define GPCMD_READ_CD 0xbe #define GPCMD_SEND_DVD_STRUCTURE 0xbf /* This is for writing only, irrelevant to PCem. */ #define GPCMD_PAUSE_RESUME_ALT 0xc2 #define GPCMD_SCAN_ALT 0xcd /* Should be equivalent to 0xba */ #define GPCMD_SET_SPEED_ALT 0xda /* Should be equivalent to 0xbb */ /* Mode page codes for mode sense/set */ #define GPMODE_R_W_ERROR_PAGE 0x01 #define GPMODE_CDROM_PAGE 0x0d #define GPMODE_CDROM_AUDIO_PAGE 0x0e #define GPMODE_CAPABILITIES_PAGE 0x2a #define GPMODE_ALL_PAGES 0x3f /* SCSI Status Codes */ #define SCSI_STATUS_OK 0 #define SCSI_STATUS_CHECK_CONDITION 2 /* SCSI Sense Keys */ #define SENSE_NONE 0 #define SENSE_NOT_READY 2 #define SENSE_ILLEGAL_REQUEST 5 #define SENSE_UNIT_ATTENTION 6 /* SCSI Additional Sense Codes */ #define ASC_AUDIO_PLAY_OPERATION 0x00 #define ASC_NOT_READY 0x04 #define ASC_ILLEGAL_OPCODE 0x20 #define ASC_LBA_OUT_OF_RANGE 0x21 #define ASC_INV_FIELD_IN_CMD_PACKET 0x24 #define ASC_INV_LUN 0x25 #define ASC_INV_FIELD_IN_PARAMETER_LIST 0x26 #define ASC_WRITE_PROTECTED 0x27 #define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28 #define ASC_CAPACITY_DATA_CHANGED 0x2A #define ASC_INCOMPATIBLE_FORMAT 0x30 #define ASC_MEDIUM_NOT_PRESENT 0x3a #define ASC_DATA_PHASE_ERROR 0x4b #define ASC_ILLEGAL_MODE_FOR_THIS_TRACK 0x64 #define ASCQ_UNIT_IN_PROCESS_OF_BECOMING_READY 0x01 #define ASCQ_INITIALIZING_COMMAND_REQUIRED 0x02 #define ASCQ_CAPACITY_DATA_CHANGED 0x09 #define ASCQ_AUDIO_PLAY_OPERATION_IN_PROGRESS 0x11 #define ASCQ_AUDIO_PLAY_OPERATION_PAUSED 0x12 #define ASCQ_AUDIO_PLAY_OPERATION_COMPLETED 0x13 /* Tell RISC OS that we have a 4x CD-ROM drive (600kb/sec data, 706kb/sec raw). Not that it means anything */ #define CDROM_SPEED 706 /* 0x2C2 */ /* Some generally useful CD-ROM information */ #define CD_MINS 75 /* max. minutes per CD */ #define CD_SECS 60 /* seconds per minute */ #define CD_FRAMES 75 /* frames per second */ #define CD_FRAMESIZE 2048 /* bytes per frame, "cooked" mode */ #define CD_MAX_BYTES (CD_MINS * CD_SECS * CD_FRAMES * CD_FRAMESIZE) #define CD_MAX_SECTORS (CD_MAX_BYTES / 512) /* Event notification classes for GET EVENT STATUS NOTIFICATION */ #define GESN_NO_EVENTS 0 #define GESN_OPERATIONAL_CHANGE 1 #define GESN_POWER_MANAGEMENT 2 #define GESN_EXTERNAL_REQUEST 3 #define GESN_MEDIA 4 #define GESN_MULTIPLE_HOSTS 5 #define GESN_DEVICE_BUSY 6 /* Event codes for MEDIA event status notification */ #define MEC_NO_CHANGE 0 #define MEC_EJECT_REQUESTED 1 #define MEC_NEW_MEDIA 2 #define MEC_MEDIA_REMOVAL 3 /* only for media changers */ #define MEC_MEDIA_CHANGED 4 /* only for media changers */ #define MEC_BG_FORMAT_COMPLETED 5 /* MRW or DVD+RW b/g format completed */ #define MEC_BG_FORMAT_RESTARTED 6 /* MRW or DVD+RW b/g format restarted */ #define MS_TRAY_OPEN 1 #define MS_MEDIA_PRESENT 2 /* * The MMC values are not IDE specific and might need to be moved * to a common header if they are also needed for the SCSI emulation */ /* Profile list from MMC-6 revision 1 table 91 */ #define MMC_PROFILE_NONE 0x0000 #define MMC_PROFILE_CD_ROM 0x0008 #define MMC_PROFILE_CD_R 0x0009 #define MMC_PROFILE_CD_RW 0x000A #define MMC_PROFILE_DVD_ROM 0x0010 #define MMC_PROFILE_DVD_R_SR 0x0011 #define MMC_PROFILE_DVD_RAM 0x0012 #define MMC_PROFILE_DVD_RW_RO 0x0013 #define MMC_PROFILE_DVD_RW_SR 0x0014 #define MMC_PROFILE_DVD_R_DL_SR 0x0015 #define MMC_PROFILE_DVD_R_DL_JR 0x0016 #define MMC_PROFILE_DVD_RW_DL 0x0017 #define MMC_PROFILE_DVD_DDR 0x0018 #define MMC_PROFILE_DVD_PLUS_RW 0x001A #define MMC_PROFILE_DVD_PLUS_R 0x001B #define MMC_PROFILE_DVD_PLUS_RW_DL 0x002A #define MMC_PROFILE_DVD_PLUS_R_DL 0x002B #define MMC_PROFILE_BD_ROM 0x0040 #define MMC_PROFILE_BD_R_SRM 0x0041 #define MMC_PROFILE_BD_R_RRM 0x0042 #define MMC_PROFILE_BD_RE 0x0043 #define MMC_PROFILE_HDDVD_ROM 0x0050 #define MMC_PROFILE_HDDVD_R 0x0051 #define MMC_PROFILE_HDDVD_RAM 0x0052 #define MMC_PROFILE_HDDVD_RW 0x0053 #define MMC_PROFILE_HDDVD_R_DL 0x0058 #define MMC_PROFILE_HDDVD_RW_DL 0x005A #define MMC_PROFILE_INVALID 0xFFFF #define SCSI_ONLY 32 #define ATAPI_ONLY 16 #define IMPLEMENTED 8 #define NONDATA 4 #define CHECK_READY 2 #define ALLOW_UA 1 extern uint8_t SCSICommandTable[0x100]; extern uint8_t mode_sense_pages[0x40]; extern int readcdmode; /* Mode sense/select stuff. */ extern uint8_t mode_pages_in[256][256]; #define PAGE_CHANGEABLE 1 #define PAGE_CHANGED 2 extern uint8_t page_flags[256]; extern uint8_t prefix_len; extern uint8_t page_current; uint32_t DataLength; uint32_t DataPointer; int SectorLBA; int SectorLen; int MediaPresent; extern uint8_t SCSIStatus; extern uint8_t SCSIPhase; extern uint8_t scsi_cdrom_id; struct { uint8_t SenseBuffer[18]; uint8_t SenseLength; uint8_t UnitAttention; uint8_t SenseKey; uint8_t Asc; uint8_t Ascq; } SCSISense; extern int cd_status; extern int prev_status; #define SCSI_NONE 0 #define SCSI_DISK 1 #define SCSI_CDROM 2 #define MSFtoLBA(m,s,f) ((((m*60)+s)*75)+f) #define SCSI_PHASE_DATAOUT ( 0 ) #define SCSI_PHASE_DATAIN ( 1 ) #define SCSI_PHASE_COMMAND ( 2 ) #define SCSI_PHASE_STATUS ( 3 ) #define SCSI_PHASE_MESSAGE_OUT ( 6 ) #define SCSI_PHASE_MESSAGE_IN ( 7 ) #define SCSI_PHASE_BUS_FREE ( 8 ) #define SCSI_PHASE_SELECT ( 9 ) struct { uint8_t *CmdBuffer; uint32_t CmdBufferLength; int LunType; uint32_t InitLength; } SCSIDevices[16][8]; extern void SCSIReset(uint8_t id, uint8_t lun); uint32_t SCSICDROMModeSense(uint8_t *buf, uint32_t pos, uint8_t type); uint8_t SCSICDROMSetProfile(uint8_t *buf, uint8_t *index, uint16_t profile); int SCSICDROMReadDVDStructure(int format, const uint8_t *packet, uint8_t *buf); uint32_t SCSICDROMEventStatus(uint8_t *buffer); void SCSICDROM_Insert(); int cdrom_add_error_and_subchannel(uint8_t *b, int real_sector_type); int cdrom_LBAtoMSF_accurate(); int mode_select_init(uint8_t command, uint16_t pl_length, uint8_t do_save); int mode_select_terminate(int force); int mode_select_write(uint8_t val); extern int scsi_card_current; int scsi_card_available(int card); char *scsi_card_getname(int card); struct device_t *scsi_card_getdevice(int card); int scsi_card_has_config(int card); char *scsi_card_get_internal_name(int card); int scsi_card_get_from_internal_name(char *s); void scsi_card_init(); void scsi_card_reset(void); extern uint8_t scsi_hard_disks[16][8]; int scsi_hd_err_stat_to_scsi(uint8_t id); int scsi_hd_phase_to_scsi(uint8_t id); int find_hdc_for_scsi_id(uint8_t scsi_id, uint8_t scsi_lun); void build_scsi_hd_map(); void scsi_hd_reset(uint8_t id); void scsi_hd_request_sense_for_scsi(uint8_t id, uint8_t *buffer, uint8_t alloc_length); void scsi_hd_command(uint8_t id, uint8_t *cdb); void scsi_hd_callback(uint8_t id); #pragma pack(push,1) typedef struct { uint8_t hi; uint8_t mid; uint8_t lo; } addr24; #pragma pack(pop) #define ADDR_TO_U32(x) (((x).hi<<16)|((x).mid<<8)|((x).lo&0xFF)) #define U32_TO_ADDR(a,x) do {(a).hi=(x)>>16;(a).mid=(x)>>8;(a).lo=(x)&0xFF;}while(0) #pragma pack(push,1) typedef struct { uint8_t command; unsigned char id:3; unsigned char reserved:2; unsigned char lun:3; uint16_t cylinder; uint8_t head; uint8_t sector; uint8_t secount; addr24 dma_address; } BIOSCMD; #pragma pack(pop) uint8_t HACommand03Handler(uint8_t last_id, BIOSCMD *BiosCmd); /* * * Scatter/Gather Segment List Definitions * * Adapter limits */ #define MAX_SG_DESCRIPTORS 32 /* Always make the array 32 elements long, if less are used, that's not an issue. */ #pragma pack(push,1) typedef struct { uint32_t Segment; uint32_t SegmentPointer; } SGE32; #pragma pack(pop) #pragma pack(push,1) typedef struct { addr24 Segment; addr24 SegmentPointer; } SGE; #pragma pack(pop) #endif