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Diffstat (limited to 'hw/block/fdc.c')
-rw-r--r--hw/block/fdc.c120
1 files changed, 88 insertions, 32 deletions
diff --git a/hw/block/fdc.c b/hw/block/fdc.c
index 06ae6cf7ce..17d29e7bc5 100644
--- a/hw/block/fdc.c
+++ b/hw/block/fdc.c
@@ -35,6 +35,7 @@
#include "qemu/timer.h"
#include "hw/isa/isa.h"
#include "hw/sysbus.h"
+#include "hw/block/block.h"
#include "sysemu/block-backend.h"
#include "sysemu/blockdev.h"
#include "sysemu/sysemu.h"
@@ -487,12 +488,18 @@ static const BlockDevOps fd_block_ops = {
OBJECT_CHECK(FloppyDrive, (obj), TYPE_FLOPPY_DRIVE)
typedef struct FloppyDrive {
- DeviceState qdev;
- uint32_t unit;
+ DeviceState qdev;
+ uint32_t unit;
+ BlockConf conf;
+ FloppyDriveType type;
} FloppyDrive;
static Property floppy_drive_properties[] = {
DEFINE_PROP_UINT32("unit", FloppyDrive, unit, -1),
+ DEFINE_BLOCK_PROPERTIES(FloppyDrive, conf),
+ DEFINE_PROP_DEFAULT("drive-type", FloppyDrive, type,
+ FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
+ FloppyDriveType),
DEFINE_PROP_END_OF_LIST(),
};
@@ -501,6 +508,7 @@ static int floppy_drive_init(DeviceState *qdev)
FloppyDrive *dev = FLOPPY_DRIVE(qdev);
FloppyBus *bus = FLOPPY_BUS(qdev->parent_bus);
FDrive *drive;
+ int ret;
if (dev->unit == -1) {
for (dev->unit = 0; dev->unit < MAX_FD; dev->unit++) {
@@ -517,29 +525,57 @@ static int floppy_drive_init(DeviceState *qdev)
return -1;
}
- /* TODO Check whether unit is in use */
-
drive = get_drv(bus->fdc, dev->unit);
-
if (drive->blk) {
- if (blk_get_on_error(drive->blk, 0) != BLOCKDEV_ON_ERROR_ENOSPC) {
- error_report("fdc doesn't support drive option werror");
- return -1;
- }
- if (blk_get_on_error(drive->blk, 1) != BLOCKDEV_ON_ERROR_REPORT) {
- error_report("fdc doesn't support drive option rerror");
- return -1;
- }
- } else {
+ error_report("Floppy unit %d is in use", dev->unit);
+ return -1;
+ }
+
+ if (!dev->conf.blk) {
/* Anonymous BlockBackend for an empty drive */
- drive->blk = blk_new();
+ dev->conf.blk = blk_new();
+ ret = blk_attach_dev(dev->conf.blk, qdev);
+ assert(ret == 0);
}
- fd_init(drive);
- if (drive->blk) {
- blk_set_dev_ops(drive->blk, &fd_block_ops, drive);
- pick_drive_type(drive);
+ blkconf_blocksizes(&dev->conf);
+ if (dev->conf.logical_block_size != 512 ||
+ dev->conf.physical_block_size != 512)
+ {
+ error_report("Physical and logical block size must be 512 for floppy");
+ return -1;
+ }
+
+ /* rerror/werror aren't supported by fdc and therefore not even registered
+ * with qdev. So set the defaults manually before they are used in
+ * blkconf_apply_backend_options(). */
+ dev->conf.rerror = BLOCKDEV_ON_ERROR_AUTO;
+ dev->conf.werror = BLOCKDEV_ON_ERROR_AUTO;
+ blkconf_apply_backend_options(&dev->conf);
+
+ /* 'enospc' is the default for -drive, 'report' is what blk_new() gives us
+ * for empty drives. */
+ if (blk_get_on_error(dev->conf.blk, 0) != BLOCKDEV_ON_ERROR_ENOSPC &&
+ blk_get_on_error(dev->conf.blk, 0) != BLOCKDEV_ON_ERROR_REPORT) {
+ error_report("fdc doesn't support drive option werror");
+ return -1;
}
+ if (blk_get_on_error(dev->conf.blk, 1) != BLOCKDEV_ON_ERROR_REPORT) {
+ error_report("fdc doesn't support drive option rerror");
+ return -1;
+ }
+
+ drive->blk = dev->conf.blk;
+ drive->fdctrl = bus->fdc;
+
+ fd_init(drive);
+ blk_set_dev_ops(drive->blk, &fd_block_ops, drive);
+
+ /* Keep 'type' qdev property and FDrive->drive in sync */
+ drive->drive = dev->type;
+ pick_drive_type(drive);
+ dev->type = drive->drive;
+
fd_revalidate(drive);
return 0;
@@ -808,6 +844,10 @@ struct FDCtrl {
FloppyBus bus;
uint8_t num_floppies;
FDrive drives[MAX_FD];
+ struct {
+ BlockBackend *blk;
+ FloppyDriveType type;
+ } qdev_for_drives[MAX_FD];
int reset_sensei;
uint32_t check_media_rate;
FloppyDriveType fallback; /* type=auto failure fallback */
@@ -2459,11 +2499,13 @@ static void fdctrl_result_timer(void *opaque)
}
/* Init functions */
-static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp)
+static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp,
+ DeviceState *fdc_dev)
{
unsigned int i;
FDrive *drive;
DeviceState *dev;
+ BlockBackend *blk;
Error *local_err = NULL;
for (i = 0; i < MAX_FD; i++) {
@@ -2472,7 +2514,8 @@ static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp)
/* If the drive is not present, we skip creating the qdev device, but
* still have to initialise the controller. */
- if (!fdctrl->drives[i].blk) {
+ blk = fdctrl->qdev_for_drives[i].blk;
+ if (!blk) {
fd_init(drive);
fd_revalidate(drive);
continue;
@@ -2480,6 +2523,19 @@ static void fdctrl_connect_drives(FDCtrl *fdctrl, Error **errp)
dev = qdev_create(&fdctrl->bus.bus, "floppy");
qdev_prop_set_uint32(dev, "unit", i);
+ qdev_prop_set_enum(dev, "drive-type", fdctrl->qdev_for_drives[i].type);
+
+ blk_ref(blk);
+ blk_detach_dev(blk, fdc_dev);
+ fdctrl->qdev_for_drives[i].blk = NULL;
+ qdev_prop_set_drive(dev, "drive", blk, &local_err);
+ blk_unref(blk);
+
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
+ }
+
object_property_set_bool(OBJECT(dev), true, "realized", &local_err);
if (local_err) {
error_propagate(errp, local_err);
@@ -2597,7 +2653,7 @@ static void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl,
}
floppy_bus_create(fdctrl, &fdctrl->bus, dev);
- fdctrl_connect_drives(fdctrl, errp);
+ fdctrl_connect_drives(fdctrl, errp, dev);
}
static const MemoryRegionPortio fdc_portio_list[] = {
@@ -2723,14 +2779,14 @@ static Property isa_fdc_properties[] = {
DEFINE_PROP_UINT32("iobase", FDCtrlISABus, iobase, 0x3f0),
DEFINE_PROP_UINT32("irq", FDCtrlISABus, irq, 6),
DEFINE_PROP_UINT32("dma", FDCtrlISABus, dma, 2),
- DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.drives[0].blk),
- DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.drives[1].blk),
+ DEFINE_PROP_DRIVE("driveA", FDCtrlISABus, state.qdev_for_drives[0].blk),
+ DEFINE_PROP_DRIVE("driveB", FDCtrlISABus, state.qdev_for_drives[1].blk),
DEFINE_PROP_BIT("check_media_rate", FDCtrlISABus, state.check_media_rate,
0, true),
- DEFINE_PROP_DEFAULT("fdtypeA", FDCtrlISABus, state.drives[0].drive,
+ DEFINE_PROP_DEFAULT("fdtypeA", FDCtrlISABus, state.qdev_for_drives[0].type,
FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
FloppyDriveType),
- DEFINE_PROP_DEFAULT("fdtypeB", FDCtrlISABus, state.drives[1].drive,
+ DEFINE_PROP_DEFAULT("fdtypeB", FDCtrlISABus, state.qdev_for_drives[1].type,
FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
FloppyDriveType),
DEFINE_PROP_DEFAULT("fallback", FDCtrlISABus, state.fallback,
@@ -2782,12 +2838,12 @@ static const VMStateDescription vmstate_sysbus_fdc ={
};
static Property sysbus_fdc_properties[] = {
- DEFINE_PROP_DRIVE("driveA", FDCtrlSysBus, state.drives[0].blk),
- DEFINE_PROP_DRIVE("driveB", FDCtrlSysBus, state.drives[1].blk),
- DEFINE_PROP_DEFAULT("fdtypeA", FDCtrlSysBus, state.drives[0].drive,
+ DEFINE_PROP_DRIVE("driveA", FDCtrlSysBus, state.qdev_for_drives[0].blk),
+ DEFINE_PROP_DRIVE("driveB", FDCtrlSysBus, state.qdev_for_drives[1].blk),
+ DEFINE_PROP_DEFAULT("fdtypeA", FDCtrlSysBus, state.qdev_for_drives[0].type,
FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
FloppyDriveType),
- DEFINE_PROP_DEFAULT("fdtypeB", FDCtrlSysBus, state.drives[1].drive,
+ DEFINE_PROP_DEFAULT("fdtypeB", FDCtrlSysBus, state.qdev_for_drives[1].type,
FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
FloppyDriveType),
DEFINE_PROP_DEFAULT("fallback", FDCtrlISABus, state.fallback,
@@ -2812,8 +2868,8 @@ static const TypeInfo sysbus_fdc_info = {
};
static Property sun4m_fdc_properties[] = {
- DEFINE_PROP_DRIVE("drive", FDCtrlSysBus, state.drives[0].blk),
- DEFINE_PROP_DEFAULT("fdtype", FDCtrlSysBus, state.drives[0].drive,
+ DEFINE_PROP_DRIVE("drive", FDCtrlSysBus, state.qdev_for_drives[0].blk),
+ DEFINE_PROP_DEFAULT("fdtype", FDCtrlSysBus, state.qdev_for_drives[0].type,
FLOPPY_DRIVE_TYPE_AUTO, qdev_prop_fdc_drive_type,
FloppyDriveType),
DEFINE_PROP_DEFAULT("fallback", FDCtrlISABus, state.fallback,
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 13:31:24 +0000