097310b53e
I'll use it with block backends shortly, and the name is going to fit badly there. It's a block layer thing anyway, not just a block driver thing. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
77 lines
1.8 KiB
C
77 lines
1.8 KiB
C
#ifndef HW_IDE_PCI_H
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#define HW_IDE_PCI_H
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#include <hw/ide/internal.h>
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#define BM_STATUS_DMAING 0x01
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#define BM_STATUS_ERROR 0x02
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#define BM_STATUS_INT 0x04
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#define BM_CMD_START 0x01
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#define BM_CMD_READ 0x08
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typedef struct BMDMAState {
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IDEDMA dma;
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uint8_t cmd;
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uint8_t status;
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uint32_t addr;
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IDEBus *bus;
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/* current transfer state */
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uint32_t cur_addr;
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uint32_t cur_prd_last;
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uint32_t cur_prd_addr;
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uint32_t cur_prd_len;
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uint8_t unit;
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BlockCompletionFunc *dma_cb;
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int64_t sector_num;
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uint32_t nsector;
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MemoryRegion addr_ioport;
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MemoryRegion extra_io;
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QEMUBH *bh;
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qemu_irq irq;
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/* Bit 0-2 and 7: BM status register
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* Bit 3-6: bus->error_status */
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uint8_t migration_compat_status;
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struct PCIIDEState *pci_dev;
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} BMDMAState;
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typedef struct CMD646BAR {
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MemoryRegion cmd;
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MemoryRegion data;
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IDEBus *bus;
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struct PCIIDEState *pci_dev;
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} CMD646BAR;
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#define TYPE_PCI_IDE "pci-ide"
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#define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
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typedef struct PCIIDEState {
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/*< private >*/
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PCIDevice parent_obj;
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/*< public >*/
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IDEBus bus[2];
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BMDMAState bmdma[2];
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uint32_t secondary; /* used only for cmd646 */
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MemoryRegion bmdma_bar;
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CMD646BAR cmd646_bar[2]; /* used only for cmd646 */
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} PCIIDEState;
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static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
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{
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assert(bmdma->unit != (uint8_t)-1);
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return bmdma->bus->ifs + bmdma->unit;
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}
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void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
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void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
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extern MemoryRegionOps bmdma_addr_ioport_ops;
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void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
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extern const VMStateDescription vmstate_ide_pci;
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#endif
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