Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / seabios / src / block.h

diff --git a/qemu/roms/seabios/src/block.h b/qemu/roms/seabios/src/block.h
new file mode 100644 (file)
index 0000000..8182288
--- /dev/null
+++ b/qemu/roms/seabios/src/block.h
@@ -0,0 +1,109 @@
+#ifndef __BLOCK_H
+#define __BLOCK_H
+
+#include "types.h" // u32
+
+
+/****************************************************************
+ * Disk command request
+ ****************************************************************/
+
+struct disk_op_s {
+    u64 lba;
+    void *buf_fl;
+    struct drive_s *drive_gf;
+    u16 count;
+    u8 command;
+};
+
+#define CMD_RESET   0x00
+#define CMD_READ    0x02
+#define CMD_WRITE   0x03
+#define CMD_VERIFY  0x04
+#define CMD_FORMAT  0x05
+#define CMD_SEEK    0x07
+#define CMD_ISREADY 0x10
+
+
+/****************************************************************
+ * Global storage
+ ****************************************************************/
+
+struct chs_s {
+    u16 head;
+    u16 cylinder;
+    u16 sector;
+    u16 pad;
+};
+
+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
+};
+
+#define DISK_SECTOR_SIZE  512
+#define CDROM_SECTOR_SIZE 2048
+
+#define DTYPE_NONE         0x00
+#define DTYPE_FLOPPY       0x10
+#define DTYPE_ATA          0x20
+#define DTYPE_ATA_ATAPI    0x21
+#define DTYPE_RAMDISK      0x30
+#define DTYPE_CDEMU        0x40
+#define DTYPE_AHCI         0x50
+#define DTYPE_AHCI_ATAPI   0x51
+#define DTYPE_VIRTIO_SCSI  0x60
+#define DTYPE_VIRTIO_BLK   0x61
+#define DTYPE_USB          0x70
+#define DTYPE_USB_32       0x71
+#define DTYPE_UAS          0x72
+#define DTYPE_UAS_32       0x73
+#define DTYPE_LSI_SCSI     0x80
+#define DTYPE_ESP_SCSI     0x81
+#define DTYPE_MEGASAS      0x82
+#define DTYPE_PVSCSI       0x83
+#define DTYPE_SDCARD       0x90
+
+#define MAXDESCSIZE 80
+
+#define TRANSLATION_NONE  0
+#define TRANSLATION_LBA   1
+#define TRANSLATION_LARGE 2
+#define TRANSLATION_RECHS 3
+
+#define EXTTYPE_FLOPPY 0
+#define EXTTYPE_HD 1
+#define EXTTYPE_CD 2
+
+#define EXTSTART_HD 0x80
+#define EXTSTART_CD 0xE0
+
+
+/****************************************************************
+ * Function defs
+ ****************************************************************/
+
+// 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);
+void map_floppy_drive(struct drive_s *drive);
+void map_hd_drive(struct drive_s *drive);
+void map_cd_drive(struct drive_s *drive);
+struct int13dpt_s;
+int fill_edd(u16 seg, struct int13dpt_s *param_far, struct drive_s *drive_gf);
+int process_op(struct disk_op_s *op);
+int send_disk_op(struct disk_op_s *op);
+int create_bounce_buf(void);
+
+#endif // block.h