summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--hw/ide/core.c80
-rw-r--r--hw/ide/internal.h2
-rw-r--r--hw/ide/pci.c79
-rw-r--r--hw/ide/pci.h1
4 files changed, 81 insertions, 81 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 9d510b1709..a4250f605f 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2314,6 +2314,10 @@ static int ide_nop_int(IDEDMA *dma, int x)
return 0;
}
+static void ide_nop(IDEDMA *dma)
+{
+}
+
static int32_t ide_nop_int32(IDEDMA *dma, int x)
{
return 0;
@@ -2325,14 +2329,88 @@ static void ide_nop_restart(void *opaque, int x, RunState y)
static const IDEDMAOps ide_dma_nop_ops = {
.prepare_buf = ide_nop_int32,
+ .restart_dma = ide_nop,
.rw_buf = ide_nop_int,
.set_unit = ide_nop_int,
.restart_cb = ide_nop_restart,
};
+static void ide_restart_dma(IDEState *s, enum ide_dma_cmd dma_cmd)
+{
+ s->bus->dma->ops->restart_dma(s->bus->dma);
+ s->io_buffer_index = 0;
+ s->io_buffer_size = 0;
+ s->dma_cmd = dma_cmd;
+ ide_start_dma(s, ide_dma_cb);
+}
+
+static void ide_restart_bh(void *opaque)
+{
+ IDEBus *bus = opaque;
+ IDEState *s;
+ bool is_read;
+ int error_status;
+
+ qemu_bh_delete(bus->bh);
+ bus->bh = NULL;
+
+ error_status = bus->error_status;
+ if (bus->error_status == 0) {
+ return;
+ }
+
+ s = idebus_active_if(bus);
+ is_read = (bus->error_status & IDE_RETRY_READ) != 0;
+
+ /* The error status must be cleared before resubmitting the request: The
+ * request may fail again, and this case can only be distinguished if the
+ * called function can set a new error status. */
+ bus->error_status = 0;
+
+ if (error_status & IDE_RETRY_DMA) {
+ if (error_status & IDE_RETRY_TRIM) {
+ ide_restart_dma(s, IDE_DMA_TRIM);
+ } else {
+ ide_restart_dma(s, is_read ? IDE_DMA_READ : IDE_DMA_WRITE);
+ }
+ } else if (error_status & IDE_RETRY_PIO) {
+ if (is_read) {
+ ide_sector_read(s);
+ } else {
+ ide_sector_write(s);
+ }
+ } else if (error_status & IDE_RETRY_FLUSH) {
+ ide_flush_cache(s);
+ } else {
+ /*
+ * We've not got any bits to tell us about ATAPI - but
+ * we do have the end_transfer_func that tells us what
+ * we're trying to do.
+ */
+ if (s->end_transfer_func == ide_atapi_cmd) {
+ ide_atapi_dma_restart(s);
+ }
+ }
+}
+
+static void ide_restart_cb(void *opaque, int running, RunState state)
+{
+ IDEBus *bus = opaque;
+
+ if (!running)
+ return;
+
+ if (!bus->bh) {
+ bus->bh = qemu_bh_new(ide_restart_bh, bus);
+ qemu_bh_schedule(bus->bh);
+ }
+}
+
void ide_register_restart_cb(IDEBus *bus)
{
- qemu_add_vm_change_state_handler(bus->dma->ops->restart_cb, bus);
+ if (bus->dma->ops->restart_dma) {
+ qemu_add_vm_change_state_handler(ide_restart_cb, bus);
+ }
}
static IDEDMA ide_dma_nop = {
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index 57ef5ca4a4..9a11c3c6f0 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -456,6 +456,8 @@ struct IDEBus {
IDEDevice *master;
IDEDevice *slave;
IDEState ifs[2];
+ QEMUBH *bh;
+
int bus_id;
int max_units;
IDEDMA *dma;
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index 45254d466c..cd1bbb076c 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -194,84 +194,6 @@ static void bmdma_restart_dma(IDEDMA *dma)
bm->cur_addr = bm->addr;
}
-static void ide_restart_dma(IDEState *s, enum ide_dma_cmd dma_cmd)
-{
- if (s->bus->dma->ops->restart_dma) {
- s->bus->dma->ops->restart_dma(s->bus->dma);
- }
- s->io_buffer_index = 0;
- s->io_buffer_size = 0;
- s->dma_cmd = dma_cmd;
- ide_start_dma(s, ide_dma_cb);
-}
-
-/* TODO This should be common IDE code */
-static void bmdma_restart_bh(void *opaque)
-{
- IDEBus *bus = opaque;
- BMDMAState *bm = DO_UPCAST(BMDMAState, dma, bus->dma);
- IDEState *s;
- bool is_read;
- int error_status;
-
- qemu_bh_delete(bm->bh);
- bm->bh = NULL;
-
- error_status = bus->error_status;
- if (bus->error_status == 0) {
- return;
- }
-
- s = idebus_active_if(bus);
- is_read = (bus->error_status & IDE_RETRY_READ) != 0;
-
- /* The error status must be cleared before resubmitting the request: The
- * request may fail again, and this case can only be distinguished if the
- * called function can set a new error status. */
- bus->error_status = 0;
-
- if (error_status & IDE_RETRY_DMA) {
- if (error_status & IDE_RETRY_TRIM) {
- ide_restart_dma(s, IDE_DMA_TRIM);
- } else {
- ide_restart_dma(s, is_read ? IDE_DMA_READ : IDE_DMA_WRITE);
- }
- } else if (error_status & IDE_RETRY_PIO) {
- if (is_read) {
- ide_sector_read(s);
- } else {
- ide_sector_write(s);
- }
- } else if (error_status & IDE_RETRY_FLUSH) {
- ide_flush_cache(s);
- } else {
- IDEState *s = bmdma_active_if(bm);
-
- /*
- * We've not got any bits to tell us about ATAPI - but
- * we do have the end_transfer_func that tells us what
- * we're trying to do.
- */
- if (s->end_transfer_func == ide_atapi_cmd) {
- ide_atapi_dma_restart(s);
- }
- }
-}
-
-static void bmdma_restart_cb(void *opaque, int running, RunState state)
-{
- IDEBus *bus = opaque;
- BMDMAState *bm = DO_UPCAST(BMDMAState, dma, bus->dma);
-
- if (!running)
- return;
-
- if (!bm->bh) {
- bm->bh = qemu_bh_new(bmdma_restart_bh, bus);
- qemu_bh_schedule(bm->bh);
- }
-}
-
static void bmdma_cancel(BMDMAState *bm)
{
if (bm->status & BM_STATUS_DMAING) {
@@ -535,7 +457,6 @@ static const struct IDEDMAOps bmdma_ops = {
.set_unit = bmdma_set_unit,
.restart_dma = bmdma_restart_dma,
.set_inactive = bmdma_set_inactive,
- .restart_cb = bmdma_restart_cb,
.reset = bmdma_reset,
};
diff --git a/hw/ide/pci.h b/hw/ide/pci.h
index 2e9314ad87..ea4e05160f 100644
--- a/hw/ide/pci.h
+++ b/hw/ide/pci.h
@@ -28,7 +28,6 @@ typedef struct BMDMAState {
uint32_t nsector;
MemoryRegion addr_ioport;
MemoryRegion extra_io;
- QEMUBH *bh;
qemu_irq irq;
/* Bit 0-2 and 7: BM status register
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-29 00:42:10 +0000