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Unify ATAPI and SCSI CD-ROM code.

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This commit is contained in:
SarahW 2018-01-21 15:59:29 +00:00
commit 6ecdd2efd0
19 changed files with 761 additions and 1509 deletions
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35
src/scsi.h
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@ -1,14 +1,22 @@
#ifndef _SCSI_H_
#define _SCSI_H_
struct scsi_bus_t;
typedef struct scsi_device_t
{
void *(*init)(struct scsi_bus_t *bus, int id);
void *(*atapi_init)(struct scsi_bus_t *bus, int id);
void (*close)(void *p);
void (*start_command)(void *p);
int (*command)(uint8_t *cdb, void *p);
uint8_t (*get_status)(void *p);
uint8_t (*get_sense_key)(void *p);
int (*get_bytes_required)(void *p);
void (*atapi_identify)(uint16_t *buffer, void *p);
uint8_t (*read)(void *p);
void (*write)(uint8_t val, void *p);
@ -34,6 +42,8 @@ typedef struct scsi_bus_t
int change_state_delay;
int new_req_delay;
int is_atapi;
} scsi_bus_t;
//int scsi_add_data(uint8_t val);
@ -59,6 +69,7 @@ void scsi_set_irq(uint8_t status);
#define SCSI_SEEK_10 0x2b
#define SCSI_VERIFY_10 0x2f
#define SCSI_READ_BUFFER 0x3c
#define SCSI_MODE_SENSE_10 0x5a
#define SCSI_RESERVE 0x16
#define SCSI_RELEASE 0x17
@ -92,10 +103,25 @@ int scsi_bus_match(scsi_bus_t *bus, int bus_assert);
void scsi_bus_kick(scsi_bus_t *bus);
void scsi_bus_init(scsi_bus_t *bus);
void scsi_bus_close(scsi_bus_t *bus);
void scsi_bus_atapi_init(scsi_bus_t *bus, scsi_device_t *device, int id);
#define KEY_ILLEGAL_REQ 5
#define KEY_NONE 0
#define KEY_NOT_READY 2
#define KEY_ILLEGAL_REQ 5
#define KEY_UNIT_ATTENTION 6
#define KEY_DATA_PROTECT 7
#define ASC_AUDIO_PLAY_OPERATION 0x00
#define ASC_ILLEGAL_OPCODE 0x20
#define ASC_LBA_OUT_OF_RANGE 0x21
#define ASC_INV_FIELD_IN_CMD_PACKET 0x24
#define ASC_INVALID_LUN 0x25
#define ASC_WRITE_PROTECT 0x27
#define ASC_MEDIUM_MAY_HAVE_CHANGED 0x28
#define ASC_MEDIUM_NOT_PRESENT 0x3a
#define ASC_DATA_PHASE_ERROR 0x4b
#define ASC_ILLEGAL_MODE_FOR_THIS_TRACK 0x64
#define ASC_INVALID_LUN 0x25
#define SCSI_PHASE_DATA_OUT 0
#define SCSI_PHASE_DATA_IN BUS_IO
@ -103,3 +129,8 @@ void scsi_bus_close(scsi_bus_t *bus);
#define SCSI_PHASE_STATUS (BUS_CD | BUS_IO)
#define SCSI_PHASE_MESSAGE_OUT (BUS_MSG | BUS_CD)
#define SCSI_PHASE_MESSAGE_IN (BUS_MSG | BUS_CD | BUS_IO)
#define START_STOP_START 0x01
#define START_STOP_LOEJ 0x02
#endif /*_SCSI_H_*/