hw/ide/pci.h

   1 #ifndef HW_IDE_PCI_H
   2 #define HW_IDE_PCI_H
   3
   4 #include <hw/ide/internal.h>
   5
   6 typedef struct BMDMAState {
   7     IDEDMA dma;
   8     uint8_t cmd;
   9     uint8_t status;
  10     uint32_t addr;
  11
  12     IDEBus *bus;
  13     /* current transfer state */
  14     uint32_t cur_addr;
  15     uint32_t cur_prd_last;
  16     uint32_t cur_prd_addr;
  17     uint32_t cur_prd_len;
  18     uint8_t unit;
  19     BlockDriverCompletionFunc *dma_cb;
  20     int64_t sector_num;
  21     uint32_t nsector;
  22     MemoryRegion addr_ioport;
  23     MemoryRegion extra_io;
  24     QEMUBH *bh;
  25     qemu_irq irq;
  26
  27     /* Bit 0-2 and 7:   BM status register
  28      * Bit 3-6:         bus->error_status */
  29     uint8_t migration_compat_status;
  30     struct PCIIDEState *pci_dev;
  31 } BMDMAState;
  32
  33 typedef struct CMD646BAR {
  34     MemoryRegion cmd;
  35     MemoryRegion data;
  36     IDEBus *bus;
  37     struct PCIIDEState *pci_dev;
  38 } CMD646BAR;
  39
  40 #define TYPE_PCI_IDE "pci-ide"
  41 #define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE)
  42
  43 typedef 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     CMD646BAR cmd646_bar[2]; /* used only for cmd646 */
  53 } PCIIDEState;
  54
  55
  56 static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
  57 {
  58     assert(bmdma->unit != (uint8_t)-1);
  59     return bmdma->bus->ifs + bmdma->unit;
  60 }
  61
  62
  63 void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
  64 void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
  65 extern MemoryRegionOps bmdma_addr_ioport_ops;
  66 void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
  67
  68 extern const VMStateDescription vmstate_ide_pci;
  69 #endif