1#ifndef HW_IDE_PCI_H
2#define HW_IDE_PCI_H
3
4#include "hw/ide/internal.h"
5
6#define BM_STATUS_DMAING 0x01
7#define BM_STATUS_ERROR 0x02
8#define BM_STATUS_INT 0x04
9
10#define BM_CMD_START 0x01
11#define BM_CMD_READ 0x08
12
13typedef struct BMDMAState {
14 IDEDMA dma;
15 uint8_t cmd;
16 uint8_t status;
17 uint32_t addr;
18
19 IDEBus *bus;
20 /* current transfer state */
21 uint32_t cur_addr;
22 uint32_t cur_prd_last;
23 uint32_t cur_prd_addr;
24 uint32_t cur_prd_len;
25 BlockCompletionFunc *dma_cb;
26 MemoryRegion addr_ioport;
27 MemoryRegion extra_io;
28 qemu_irq irq;
29
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;
36
37 struct PCIIDEState *pci_dev;
38} BMDMAState;
39
40#define TYPE_PCI_IDE "pci-ide"
41#define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
42
43typedef struct PCIIDEState {
44 /*< private >*/
45 PCIDevice parent_obj;
46 /*< public >*/
47
48 IDEBus bus[2];
49 BMDMAState bmdma[2];
50 uint32_t secondary; /* used only for cmd646 */
51 MemoryRegion bmdma_bar;
52 MemoryRegion cmd_bar[2];
53 MemoryRegion data_bar[2];
54} PCIIDEState;
55
56static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
57{
58 assert(bmdma->bus->retry_unit != (uint8_t)-1);
59 return bmdma->bus->ifs + bmdma->bus->retry_unit;
60}
61
62void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
63void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
64extern MemoryRegionOps bmdma_addr_ioport_ops;
65void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
66
67extern const VMStateDescription vmstate_ide_pci;
68extern const MemoryRegionOps pci_ide_cmd_le_ops;
69extern const MemoryRegionOps pci_ide_data_le_ops;
70#endif
71