typedef void DMAStartFunc(IDEDMA *, IDEState *, BlockCompletionFunc *);
typedef void DMAVoidFunc(IDEDMA *);
typedef int DMAIntFunc(IDEDMA *, int);
-typedef int32_t DMAInt32Func(IDEDMA *, int);
+typedef int32_t DMAInt32Func(IDEDMA *, int32_t len);
typedef void DMAu32Func(IDEDMA *, uint32_t);
typedef void DMAStopFunc(IDEDMA *, bool);
typedef void DMARestartFunc(void *, int, RunState);
#define ide_cmd_is_read(s) \
((s)->dma_cmd == IDE_DMA_READ)
+typedef struct IDEBufferedRequest {
+ QLIST_ENTRY(IDEBufferedRequest) list;
+ struct iovec iov;
+ QEMUIOVector qiov;
+ QEMUIOVector *original_qiov;
+ BlockCompletionFunc *original_cb;
+ void *original_opaque;
+ bool orphaned;
+} IDEBufferedRequest;
+
/* NOTE: IDEState represents in fact one drive */
struct IDEState {
IDEBus *bus;
BlockAIOCB *pio_aiocb;
struct iovec iov;
QEMUIOVector qiov;
+ QLIST_HEAD(, IDEBufferedRequest) buffered_requests;
/* ATA DMA state */
- int32_t io_buffer_offset;
+ uint64_t io_buffer_offset;
int32_t io_buffer_size;
QEMUSGList sg;
/* PIO transfer handling */
DMAInt32Func *prepare_buf;
DMAu32Func *commit_buf;
DMAIntFunc *rw_buf;
+ DMAVoidFunc *restart;
DMAVoidFunc *restart_dma;
DMAStopFunc *set_inactive;
DMAVoidFunc *cmd_done;
#define IDE_RETRY_READ 0x20
#define IDE_RETRY_FLUSH 0x40
#define IDE_RETRY_TRIM 0x80
+#define IDE_RETRY_HBA 0x100
static inline IDEState *idebus_active_if(IDEBus *bus)
{
void ide_set_sector(IDEState *s, int64_t sector_num);
void ide_start_dma(IDEState *s, BlockCompletionFunc *cb);
+void dma_buf_commit(IDEState *s, uint32_t tx_bytes);
void ide_dma_error(IDEState *s);
+void ide_abort_command(IDEState *s);
void ide_atapi_cmd_ok(IDEState *s);
void ide_atapi_cmd_error(IDEState *s, int sense_key, int asc);
BlockAIOCB *ide_issue_trim(BlockBackend *blk,
int64_t sector_num, QEMUIOVector *qiov, int nb_sectors,
BlockCompletionFunc *cb, void *opaque);
+BlockAIOCB *ide_buffered_readv(IDEState *s, int64_t sector_num,
+ QEMUIOVector *iov, int nb_sectors,
+ BlockCompletionFunc *cb, void *opaque);
/* hw/ide/atapi.c */
void ide_atapi_cmd(IDEState *s);