fdc: add drive type qapi enum
Change the floppy drive type to a QAPI enum type, to allow us to specify the floppy drive type from the CLI in a forthcoming patch. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1453495865-9649-4-git-send-email-jsnow@redhat.com
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@ -61,7 +61,7 @@ typedef enum FDriveRate {
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} FDriveRate;
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typedef struct FDFormat {
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FDriveType drive;
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FloppyDriveType drive;
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uint8_t last_sect;
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uint8_t max_track;
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uint8_t max_head;
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@ -71,48 +71,48 @@ typedef struct FDFormat {
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static const FDFormat fd_formats[] = {
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/* First entry is default format */
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/* 1.44 MB 3"1/2 floppy disks */
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{ FDRIVE_DRV_144, 18, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 20, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 21, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 21, 82, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 21, 83, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 22, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 23, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_144, 24, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 18, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 20, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 21, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 21, 82, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 21, 83, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 22, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 23, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_144, 24, 80, 1, FDRIVE_RATE_500K, },
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/* 2.88 MB 3"1/2 floppy disks */
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{ FDRIVE_DRV_288, 36, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 39, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 40, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 44, 80, 1, FDRIVE_RATE_1M, },
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{ FDRIVE_DRV_288, 48, 80, 1, FDRIVE_RATE_1M, },
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{ FLOPPY_DRIVE_TYPE_288, 36, 80, 1, FDRIVE_RATE_1M, },
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{ FLOPPY_DRIVE_TYPE_288, 39, 80, 1, FDRIVE_RATE_1M, },
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{ FLOPPY_DRIVE_TYPE_288, 40, 80, 1, FDRIVE_RATE_1M, },
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{ FLOPPY_DRIVE_TYPE_288, 44, 80, 1, FDRIVE_RATE_1M, },
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{ FLOPPY_DRIVE_TYPE_288, 48, 80, 1, FDRIVE_RATE_1M, },
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/* 720 kB 3"1/2 floppy disks */
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{ FDRIVE_DRV_144, 9, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 10, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 10, 82, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 10, 83, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 13, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_144, 14, 80, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 9, 80, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 10, 80, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 10, 82, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 10, 83, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 13, 80, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 14, 80, 1, FDRIVE_RATE_250K, },
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/* 1.2 MB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 15, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 18, 80, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 18, 82, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 18, 83, 1, FDRIVE_RATE_500K, },
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{ FDRIVE_DRV_120, 20, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_120, 15, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_120, 18, 80, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_120, 18, 82, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_120, 18, 83, 1, FDRIVE_RATE_500K, },
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{ FLOPPY_DRIVE_TYPE_120, 20, 80, 1, FDRIVE_RATE_500K, },
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/* 720 kB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 9, 80, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_120, 11, 80, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_120, 9, 80, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_120, 11, 80, 1, FDRIVE_RATE_250K, },
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/* 360 kB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 9, 40, 1, FDRIVE_RATE_300K, },
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{ FDRIVE_DRV_120, 9, 40, 0, FDRIVE_RATE_300K, },
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{ FDRIVE_DRV_120, 10, 41, 1, FDRIVE_RATE_300K, },
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{ FDRIVE_DRV_120, 10, 42, 1, FDRIVE_RATE_300K, },
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{ FLOPPY_DRIVE_TYPE_120, 9, 40, 1, FDRIVE_RATE_300K, },
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{ FLOPPY_DRIVE_TYPE_120, 9, 40, 0, FDRIVE_RATE_300K, },
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{ FLOPPY_DRIVE_TYPE_120, 10, 41, 1, FDRIVE_RATE_300K, },
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{ FLOPPY_DRIVE_TYPE_120, 10, 42, 1, FDRIVE_RATE_300K, },
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/* 320 kB 5"1/4 floppy disks */
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{ FDRIVE_DRV_120, 8, 40, 1, FDRIVE_RATE_250K, },
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{ FDRIVE_DRV_120, 8, 40, 0, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_120, 8, 40, 1, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_120, 8, 40, 0, FDRIVE_RATE_250K, },
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/* 360 kB must match 5"1/4 better than 3"1/2... */
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{ FDRIVE_DRV_144, 9, 80, 0, FDRIVE_RATE_250K, },
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{ FLOPPY_DRIVE_TYPE_144, 9, 80, 0, FDRIVE_RATE_250K, },
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/* end */
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{ FDRIVE_DRV_NONE, -1, -1, 0, 0, },
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{ FLOPPY_DRIVE_TYPE_NONE, -1, -1, 0, 0, },
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};
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#define GET_CUR_DRV(fdctrl) ((fdctrl)->cur_drv)
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@ -134,7 +134,7 @@ typedef struct FDrive {
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FDCtrl *fdctrl;
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BlockBackend *blk;
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/* Drive status */
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FDriveType drive;
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FloppyDriveType drive; /* CMOS drive type */
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uint8_t perpendicular; /* 2.88 MB access mode */
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/* Position */
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uint8_t head;
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@ -155,7 +155,7 @@ typedef struct FDrive {
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static void fd_init(FDrive *drv)
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{
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/* Drive */
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drv->drive = FDRIVE_DRV_NONE;
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drv->drive = FLOPPY_DRIVE_TYPE_NONE;
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drv->perpendicular = 0;
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/* Disk */
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drv->last_sect = 0;
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@ -254,11 +254,11 @@ static void pick_geometry(FDrive *drv)
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first_match = -1;
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for (i = 0; ; i++) {
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parse = &fd_formats[i];
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if (parse->drive == FDRIVE_DRV_NONE) {
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if (parse->drive == FLOPPY_DRIVE_TYPE_NONE) {
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break;
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}
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if (drv->drive == parse->drive ||
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drv->drive == FDRIVE_DRV_NONE) {
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drv->drive == FLOPPY_DRIVE_TYPE_NONE) {
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size = (parse->max_head + 1) * parse->max_track *
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parse->last_sect;
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if (nb_sectors == size) {
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@ -2397,7 +2397,7 @@ static void sysbus_fdc_common_realize(DeviceState *dev, Error **errp)
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fdctrl_realize_common(fdctrl, errp);
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}
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FDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i)
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FloppyDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i)
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{
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FDCtrlISABus *isa = ISA_FDC(fdc);
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hw/i386/pc.c
17
hw/i386/pc.c
@ -199,24 +199,24 @@ static void pic_irq_request(void *opaque, int irq, int level)
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#define REG_EQUIPMENT_BYTE 0x14
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static int cmos_get_fd_drive_type(FDriveType fd0)
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static int cmos_get_fd_drive_type(FloppyDriveType fd0)
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{
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int val;
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switch (fd0) {
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case FDRIVE_DRV_144:
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case FLOPPY_DRIVE_TYPE_144:
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/* 1.44 Mb 3"5 drive */
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val = 4;
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break;
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case FDRIVE_DRV_288:
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case FLOPPY_DRIVE_TYPE_288:
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/* 2.88 Mb 3"5 drive */
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val = 5;
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break;
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case FDRIVE_DRV_120:
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case FLOPPY_DRIVE_TYPE_120:
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/* 1.2 Mb 5"5 drive */
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val = 2;
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break;
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case FDRIVE_DRV_NONE:
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case FLOPPY_DRIVE_TYPE_NONE:
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default:
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val = 0;
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break;
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@ -287,7 +287,8 @@ static void pc_boot_set(void *opaque, const char *boot_device, Error **errp)
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static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy)
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{
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int val, nb, i;
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FDriveType fd_type[2] = { FDRIVE_DRV_NONE, FDRIVE_DRV_NONE };
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FloppyDriveType fd_type[2] = { FLOPPY_DRIVE_TYPE_NONE,
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FLOPPY_DRIVE_TYPE_NONE };
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/* floppy type */
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if (floppy) {
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@ -301,10 +302,10 @@ static void pc_cmos_init_floppy(ISADevice *rtc_state, ISADevice *floppy)
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val = rtc_get_memory(rtc_state, REG_EQUIPMENT_BYTE);
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nb = 0;
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if (fd_type[0] < FDRIVE_DRV_NONE) {
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if (fd_type[0] != FLOPPY_DRIVE_TYPE_NONE) {
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nb++;
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}
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if (fd_type[1] < FDRIVE_DRV_NONE) {
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if (fd_type[1] != FLOPPY_DRIVE_TYPE_NONE) {
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nb++;
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}
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switch (nb) {
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@ -6,13 +6,6 @@
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/* fdc.c */
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#define MAX_FD 2
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typedef enum FDriveType {
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FDRIVE_DRV_144 = 0x00, /* 1.44 MB 3"5 drive */
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FDRIVE_DRV_288 = 0x01, /* 2.88 MB 3"5 drive */
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FDRIVE_DRV_120 = 0x02, /* 1.2 MB 5"25 drive */
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FDRIVE_DRV_NONE = 0x03, /* No drive connected */
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} FDriveType;
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#define TYPE_ISA_FDC "isa-fdc"
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ISADevice *fdctrl_init_isa(ISABus *bus, DriveInfo **fds);
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@ -21,6 +14,6 @@ void fdctrl_init_sysbus(qemu_irq irq, int dma_chann,
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void sun4m_fdctrl_init(qemu_irq irq, hwaddr io_base,
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DriveInfo **fds, qemu_irq *fdc_tc);
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FDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i);
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FloppyDriveType isa_fdc_get_drive_type(ISADevice *fdc, int i);
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#endif
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@ -39,6 +39,22 @@
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{ 'enum': 'BiosAtaTranslation',
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'data': ['auto', 'none', 'lba', 'large', 'rechs']}
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##
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# @FloppyDriveType
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#
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# Type of Floppy drive to be emulated by the Floppy Disk Controller.
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#
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# @144: 1.44MB 3.5" drive
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# @288: 2.88MB 3.5" drive
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# @120: 1.2MB 5.25" drive
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# @none: No drive connected
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# @auto: Automatically determined by inserted media at boot
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#
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# Since: 2.6
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##
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{ 'enum': 'FloppyDriveType',
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'data': ['144', '288', '120', 'none', 'auto']}
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##
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# @BlockdevSnapshotInternal
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#
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