4 #include "hw/ide/internal.h"
6 #define BM_STATUS_DMAING 0x01
7 #define BM_STATUS_ERROR 0x02
8 #define BM_STATUS_INT 0x04
10 #define BM_CMD_START 0x01
11 #define BM_CMD_READ 0x08
13 typedef struct BMDMAState {
20 /* current transfer state */
22 uint32_t cur_prd_last;
23 uint32_t cur_prd_addr;
25 BlockCompletionFunc *dma_cb;
26 MemoryRegion addr_ioport;
27 MemoryRegion extra_io;
30 /* Bit 0-2 and 7: BM status register
31 * Bit 3-6: bus->error_status */
32 uint8_t migration_compat_status;
33 uint8_t migration_retry_unit;
34 int64_t migration_retry_sector_num;
35 uint32_t migration_retry_nsector;
37 struct PCIIDEState *pci_dev;
40 typedef struct CMD646BAR {
44 struct PCIIDEState *pci_dev;
47 #define TYPE_PCI_IDE "pci-ide"
48 #define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
50 typedef struct PCIIDEState {
57 uint32_t secondary; /* used only for cmd646 */
58 MemoryRegion bmdma_bar;
59 CMD646BAR cmd646_bar[2]; /* used only for cmd646 */
63 static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
65 assert(bmdma->bus->retry_unit != (uint8_t)-1);
66 return bmdma->bus->ifs + bmdma->bus->retry_unit;
70 void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
71 void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
72 extern MemoryRegionOps bmdma_addr_ioport_ops;
73 void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
75 extern const VMStateDescription vmstate_ide_pci;