mirror of
https://github.com/qemu/qemu.git
synced 2025-07-27 20:29:44 +00:00
c9ebc75dc2
The io mem ops callbacks are not specific to CMD646 but really follow the PCI IDE spec so move these from cmd646.c to pci.c to allow other PCI IDE implementations to use them. Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu> Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: a2b1b2b74afdc78330b8b75605687f683a249635.1547166960.git.balaton@eik.bme.hu Signed-off-by: John Snow <jsnow@redhat.com>
77 lines
1.9 KiB
C
77 lines
1.9 KiB
C
#ifndef HW_IDE_PCI_H
|
|
#define HW_IDE_PCI_H
|
|
|
|
#include "hw/ide/internal.h"
|
|
|
|
#define BM_STATUS_DMAING 0x01
|
|
#define BM_STATUS_ERROR 0x02
|
|
#define BM_STATUS_INT 0x04
|
|
|
|
#define BM_CMD_START 0x01
|
|
#define BM_CMD_READ 0x08
|
|
|
|
typedef struct BMDMAState {
|
|
IDEDMA dma;
|
|
uint8_t cmd;
|
|
uint8_t status;
|
|
uint32_t addr;
|
|
|
|
IDEBus *bus;
|
|
/* current transfer state */
|
|
uint32_t cur_addr;
|
|
uint32_t cur_prd_last;
|
|
uint32_t cur_prd_addr;
|
|
uint32_t cur_prd_len;
|
|
BlockCompletionFunc *dma_cb;
|
|
MemoryRegion addr_ioport;
|
|
MemoryRegion extra_io;
|
|
qemu_irq irq;
|
|
|
|
/* Bit 0-2 and 7: BM status register
|
|
* Bit 3-6: bus->error_status */
|
|
uint8_t migration_compat_status;
|
|
uint8_t migration_retry_unit;
|
|
int64_t migration_retry_sector_num;
|
|
uint32_t migration_retry_nsector;
|
|
|
|
struct PCIIDEState *pci_dev;
|
|
} BMDMAState;
|
|
|
|
typedef struct CMD646BAR {
|
|
MemoryRegion cmd;
|
|
MemoryRegion data;
|
|
} CMD646BAR;
|
|
|
|
#define TYPE_PCI_IDE "pci-ide"
|
|
#define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
|
|
|
|
typedef struct PCIIDEState {
|
|
/*< private >*/
|
|
PCIDevice parent_obj;
|
|
/*< public >*/
|
|
|
|
IDEBus bus[2];
|
|
BMDMAState bmdma[2];
|
|
uint32_t secondary; /* used only for cmd646 */
|
|
MemoryRegion bmdma_bar;
|
|
CMD646BAR cmd646_bar[2]; /* used only for cmd646 */
|
|
} PCIIDEState;
|
|
|
|
|
|
static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
|
|
{
|
|
assert(bmdma->bus->retry_unit != (uint8_t)-1);
|
|
return bmdma->bus->ifs + bmdma->bus->retry_unit;
|
|
}
|
|
|
|
|
|
void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
|
|
void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
|
|
extern MemoryRegionOps bmdma_addr_ioport_ops;
|
|
void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
|
|
|
|
extern const VMStateDescription vmstate_ide_pci;
|
|
extern const MemoryRegionOps pci_ide_cmd_le_ops;
|
|
extern const MemoryRegionOps pci_ide_data_le_ops;
|
|
#endif
|