#include <devices/cdrom.h>
#include <palacios/vm_dev.h>
-#define INDEX_PULSE_CYCLE 10
-
-#define MAX_ATA_CHANNEL 4
-#define RD_LITTLE_ENDIAN
-
-
-#define INTR_REASON_BIT_ERR 0x01
-#define UNABLE_FIND_TAT_CHANNEL_ERR 0x02
-#define DRQ_ERR 0x03
-#define READ_BUF_GT_512 0x04
-
-
-typedef enum _sense {
- SENSE_NONE = 0, SENSE_NOT_READY = 2, SENSE_ILLEGAL_REQUEST = 5,
- SENSE_UNIT_ATTENTION = 6
-} sense_t ;
-
-typedef enum _asc {
- ASC_INV_FIELD_IN_CMD_PACKET = 0x24,
- ASC_MEDIUM_NOT_PRESENT = 0x3a,
- ASC_SAVING_PARAMETERS_NOT_SUPPORTED = 0x39,
- ASC_LOGICAL_BLOCK_OOR = 0x21
-} asc_t ;
-
-
-// FLAT MODE
-// Open a image. Returns non-negative if successful.
-//int open (const char* pathname);
-
-// Open an image with specific flags. Returns non-negative if successful.
-int rd_open (const char* pathname, int flags);
-
-// Close the image.
-void rd_close ();
-
-// Position ourselves. Return the resulting offset from the
-// beginning of the file.
-off_t rd_lseek (off_t offset, int whence);
-
-// Read count bytes to the buffer buf. Return the number of
-// bytes read (count).
-ssize_t rd_read (void* buf, size_t count);
-
-// Write count bytes from buf. Return the number of bytes
-// written (count).
-ssize_t rd_write (const void* buf, size_t count);
-
-
-typedef struct {
-
- unsigned cylinders ;
- unsigned heads ;
- unsigned sectors ;
-
- //iso file descriptor
- int fd ;
-} device_image_t;
-
-
-
-struct controller_t {
- struct {
- rd_bool busy ;
- rd_bool drive_ready ;
- rd_bool write_fault ;
- rd_bool seek_complete ;
- rd_bool drq ;
- rd_bool corrected_data ;
- rd_bool index_pulse ;
- unsigned int index_pulse_count ;
- rd_bool err ;
- } status;
- Bit8u error_register ;
- Bit8u head_no ;
- union {
- Bit8u sector_count ;
- struct {
-#ifdef RD_LITTLE_ENDIAN
- unsigned c_d : 1;
- unsigned i_o : 1;
- unsigned rel : 1;
- unsigned tag : 5;
-
-#else /* RD_BIG_ENDIAN */
- unsigned tag : 5;
- unsigned rel : 1;
- unsigned i_o : 1;
- unsigned c_d : 1;
-#endif
-
- } interrupt_reason;
- };
- Bit8u sector_no ;
- union {
- Bit16u cylinder_no ;
- Bit16u byte_count ;
- };
- Bit8u buffer[2048]; ;
- Bit32u buffer_index ;
- Bit32u drq_index ;
- Bit8u current_command ;
- Bit8u sectors_per_block ;
- Bit8u lba_mode ;
- struct {
- // 0=normal, 1=reset controller
- rd_bool reset ;
- // 0=allow irq, 1=disable irq
- rd_bool disable_irq ;
- } control;
- Bit8u reset_in_progress ;
- Bit8u features ;
- };
-
-struct sense_info_t{
- sense_t sense_key ;
- struct {
- Bit8u arr[4] ;
- } information;
- struct {
- Bit8u arr[4] ;
- } specific_inf;
- struct {
- Bit8u arr[3] ;
- } key_spec;
- Bit8u fruc ;
- Bit8u asc ;
- Bit8u ascq ;
-};
-
-struct error_recovery_t {
- unsigned char data[8] ;
-
- // error_recovery_t ();
-};
-
-uint16 rd_read_16bit(const uint8* buf); //__attribute__(regparm(1))
-uint32 rd_read_32bit(const uint8* buf); //__attribute__(regparm(1))
-
-struct cdrom_t {
- rd_bool ready ;
- rd_bool locked ;
-
-
- struct cdrom_interface *cd ;
-
- uint32 capacity ;
- int next_lba ;
- int remaining_blocks ;
- struct currentStruct {
- struct error_recovery_t error_recovery ;
- } current;
-};
-
-struct atapi_t {
- uint8 command ;
- int drq_bytes ;
- int total_bytes_remaining ;
-};
-
-
-typedef enum {
- IDE_NONE, IDE_DISK, IDE_CDROM
-} device_type_t ;
-
-
- // FIXME:
- // For each ATA channel we should have one controller struct
- // and an array of two drive structs
-struct channel_t {
- struct drive_t {
- device_image_t hard_drive ;
- device_type_t device_type ;
- // 512 byte buffer for ID drive command
- // These words are stored in native word endian format, as
- // they are fetched and returned via a return(), so
- // there's no need to keep them in x86 endian format.
- Bit16u id_drive[256] ;
-
- struct controller_t controller ;
- struct cdrom_t cdrom ;
- struct sense_info_t sense ;
- struct atapi_t atapi ;
-
- Bit8u model_no[41] ;
- } drives[2];
- unsigned drive_select ;
-
- Bit16u ioaddr1 ;
- Bit16u ioaddr2 ;
- Bit8u irq ;
-};
-
-struct ramdisk_t;
-
-struct ramdisk_ctrl_ops {
- Bit32u (*init)(struct ramdisk_t *ramdisk,
- struct vm_device *dev);
- void (*close)(struct ramdisk_t *ramdisk);
- void (*reset)(struct ramdisk_t *ramdisk, unsigned type);
-
-};
-
-struct ramdisk_emu_ops {
-
- uint_t (*read_port)(ushort_t port,
- void *src,
- uint_t length,
- struct vm_device *dev);
-
- uint_t (*write_port)(ushort_t port,
- void *src,
- uint_t length,
- struct vm_device *dev);
-
- uint_t (*read_port_ignore)(ushort_t port,
- void *src,
- uint_t length,
- struct vm_device *dev);
-
- uint_t (*write_port_ignore)(ushort_t port,
- void *src,
- uint_t length,
- struct vm_device *dev);
-};
-
-
-struct ramdisk_t {
-
- struct channel_t channels[MAX_ATA_CHANNEL] ;
-
- struct ramdisk_ctrl_ops cops;
-
- struct ramdisk_emu_ops eops;
-
- void *private_data ;
- // struct vm_device *dev;
-};
-
-struct ramdisk_t * create_ramdisk(void);
+struct vm_device * create_ramdisk(void);
#endif
