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     IORange addr_ioport;
  23     QEMUBH *bh;
  24     qemu_irq irq;
  25
  26     /* Bit 0-2 and 7:   BM status register
  27      * Bit 3-6:         bus->error_status */
  28     uint8_t migration_compat_status;
  29 } BMDMAState;
  30
  31 typedef struct PCIIDEState {
  32     PCIDevice dev;
  33     IDEBus bus[2];
  34     BMDMAState bmdma[2];
  35     uint32_t secondary; /* used only for cmd646 */
  36 } PCIIDEState;
  37
  38
  39 static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
  40 {
  41     assert(bmdma->unit != (uint8_t)-1);
  42     return bmdma->bus->ifs + bmdma->unit;
  43 }
  44
  45
  46 void bmdma_init(IDEBus *bus, BMDMAState *bm);
  47 void bmdma_cmd_writeb(void *opaque, uint32_t addr, uint32_t val);
  48 extern const IORangeOps bmdma_addr_ioport_ops;
  49 void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table);
  50
  51 extern const VMStateDescription vmstate_ide_pci;
  52 #endif