#include "types.h" // u8
#include "config.h" // CONFIG_*
+#include "farptr.h" // struct segoff_s
#define DISK_RET_SUCCESS 0x00
#define DISK_RET_EPARAM 0x01
u8 size;
u8 reserved;
u16 count;
- u16 offset;
- u16 segment;
+ struct segoff_s data;
u64 lba;
} PACKED;
u8 host_bus[4];
u8 iface_type[8];
u64 iface_path;
- u64 device_path;
- u8 reserved3;
- u8 checksum;
+ union {
+ struct {
+ u64 device_path;
+ u8 reserved3;
+ u8 checksum;
+ } phoenix;
+ struct {
+ u64 device_path[2];
+ u8 reserved3;
+ u8 checksum;
+ } t13;
+ };
} PACKED;
#define GET_INT13DPT(regs,var) \
void __disk_ret(struct bregs *regs, u32 linecode, const char *fname);
#define disk_ret(regs, code) \
__disk_ret((regs), (code) | (__LINE__ << 8), __func__)
+void __disk_ret_unimplemented(struct bregs *regs, u32 linecode
+ , const char *fname);
+#define disk_ret_unimplemented(regs, code) \
+ __disk_ret_unimplemented((regs), (code) | (__LINE__ << 8), __func__)
/****************************************************************
struct disk_op_s {
u64 lba;
void *buf_fl;
+ struct drive_s *drive_g;
u16 count;
- u8 driveid;
u8 command;
};
#define CMD_READ 0x02
#define CMD_WRITE 0x03
#define CMD_VERIFY 0x04
+#define CMD_FORMAT 0x05
#define CMD_SEEK 0x07
#define CMD_ISREADY 0x10
u16 spt; // # sectors / track
};
-struct ata_channel_s {
- u16 iobase1; // IO Base 1
- u16 iobase2; // IO Base 2
- u16 pci_bdf;
- u8 irq; // IRQ
+struct drive_s {
+ u8 type; // Driver type (DTYPE_*)
+ u8 floppy_type; // Type of floppy (only for floppy drives).
+ struct chs_s lchs; // Logical CHS
+ u64 sectors; // Total sectors count
+ u32 cntl_id; // Unique id for a given driver type.
+ u8 removable; // Is media removable (currently unused)
+
+ // Info for EDD calls
+ u8 translation; // type of translation
+ u16 blksize; // block size
+ struct chs_s pchs; // Physical CHS
};
-struct ata_device_s {
- u8 type; // Detected type of ata (ata/atapi/none/unknown)
- u8 removable; // Removable device flag
- u16 blksize; // block size
- u8 version; // ATA/ATAPI version
+#define DISK_SECTOR_SIZE 512
+#define CDROM_SECTOR_SIZE 2048
- char model[41];
+#define DTYPE_NONE 0x00
+#define DTYPE_FLOPPY 0x01
+#define DTYPE_ATA 0x02
+#define DTYPE_ATAPI 0x03
+#define DTYPE_RAMDISK 0x04
+#define DTYPE_CDEMU 0x05
+#define DTYPE_USB 0x06
+#define DTYPE_VIRTIO_BLK 0x07
+#define DTYPE_AHCI 0x08
- u8 translation; // type of translation
- struct chs_s lchs; // Logical CHS
- struct chs_s pchs; // Physical CHS
-
- u64 sectors; // Total sectors count
-};
-
-#define DTYPE_NONE 0x00
-#define DTYPE_ATA 0x02
-#define DTYPE_ATAPI 0x03
+#define MAXDESCSIZE 80
#define TRANSLATION_NONE 0
#define TRANSLATION_LBA 1
#define TRANSLATION_LARGE 2
#define TRANSLATION_RECHS 3
-struct ata_s {
- // ATA channels info
- struct ata_channel_s channels[CONFIG_MAX_ATA_INTERFACES];
+#define EXTTYPE_FLOPPY 0
+#define EXTTYPE_HD 1
+#define EXTTYPE_CD 2
- // ATA devices info
- struct ata_device_s devices[CONFIG_MAX_ATA_DEVICES];
- //
- // map between bios hd/cd id and ata channels
- u8 cdcount;
- u8 idmap[2][CONFIG_MAX_ATA_DEVICES];
-};
+#define EXTSTART_HD 0x80
+#define EXTSTART_CD 0xE0
/****************************************************************
* Function defs
****************************************************************/
-// ata.c
-extern struct ata_s ATA;
-int cdrom_read(struct disk_op_s *op);
-int ata_cmd_packet(int driveid, u8 *cmdbuf, u8 cmdlen
- , u32 length, void *buf_fl);
-void hard_drive_setup();
-int process_ata_op(struct disk_op_s *op);
-int process_atapi_op(struct disk_op_s *op);
-void map_drive(int driveid);
+// block.c
+extern u8 FloppyCount, CDCount;
+extern u8 *bounce_buf_fl;
+struct drive_s *getDrive(u8 exttype, u8 extdriveoffset);
+int getDriveId(u8 exttype, struct drive_s *drive_g);
+void map_floppy_drive(struct drive_s *drive_g);
+void map_hd_drive(struct drive_s *drive_g);
+void map_cd_drive(struct drive_s *drive_g);
+int process_op(struct disk_op_s *op);
+int send_disk_op(struct disk_op_s *op);
+int bounce_buf_init(void);
// floppy.c
-extern u8 FloppyCount;
extern struct floppy_ext_dbt_s diskette_param_table2;
-void floppy_drive_setup();
-void floppy_13(struct bregs *regs, u8 drive);
-void floppy_tick();
-
-// disk.c
-void disk_13(struct bregs *regs, u8 device);
-void disk_13XX(struct bregs *regs, u8 device);
-void cdemu_access(struct bregs *regs, u8 device, u16 command);
+void floppy_setup(void);
+struct drive_s *init_floppy(int floppyid, int ftype);
+int find_floppy_type(u32 size);
+int process_floppy_op(struct disk_op_s *op);
+void floppy_tick(void);
// cdrom.c
-void cdrom_13(struct bregs *regs, u8 device);
-void cdemu_13(struct bregs *regs);
+extern struct drive_s *cdemu_drive_gf;
+int process_cdemu_op(struct disk_op_s *op);
+void cdemu_setup(void);
void cdemu_134b(struct bregs *regs);
-int cdrom_boot(int cdid);
+int cdrom_boot(struct drive_s *drive_g);
+
+// ramdisk.c
+void ramdisk_setup(void);
+int process_ramdisk_op(struct disk_op_s *op);
#endif // disk.h
projects / seabios.git / blobdiff