include/hw/ide/pci.h

   1 #ifndef HW_IDE_PCI_H
   2 #define HW_IDE_PCI_H
   3
   4 #include "hw/ide/internal.h"
   5 #include "hw/pci/pci.h"
   6 #include "qom/object.h"
   7
   8 #define BM_STATUS_DMAING 0x01
   9 #define BM_STATUS_ERROR  0x02
  10 #define BM_STATUS_INT    0x04
  11
  12 #define BM_CMD_START     0x01
  13 #define BM_CMD_READ      0x08
  14
  15 typedef struct BMDMAState {
  16     IDEDMA dma;
  17     uint8_t cmd;
  18     uint8_t status;
  19     uint32_t addr;
  20
  21     IDEBus *bus;
  22     /* current transfer state */
  23     uint32_t cur_addr;
  24     uint32_t cur_prd_last;
  25     uint32_t cur_prd_addr;
  26     uint32_t cur_prd_len;
  27     BlockCompletionFunc *dma_cb;
  28     MemoryRegion addr_ioport;
  29     MemoryRegion extra_io;
  30     qemu_irq irq;
  31
  32     /* Bit 0-2 and 7:   BM status register
  33      * Bit 3-6:         bus->error_status */
  34     uint8_t migration_compat_status;
  35     uint8_t migration_retry_unit;
  36     int64_t migration_retry_sector_num;
  37     uint32_t migration_retry_nsector;
  38
  39     struct PCIIDEState *pci_dev;
  40 } BMDMAState;
  41
  42 #define TYPE_PCI_IDE "pci-ide"
  43 OBJECT_DECLARE_SIMPLE_TYPE(PCIIDEState, PCI_IDE)
  44
  45 struct PCIIDEState {
  46     /*< private >*/
  47     PCIDevice parent_obj;
  48     /*< public >*/
  49
  50     IDEBus bus[2];
  51     BMDMAState bmdma[2];
  52     uint32_t secondary; /* used only for cmd646 */
  53     MemoryRegion bmdma_bar;
  54     MemoryRegion cmd_bar[2];
  55     MemoryRegion data_bar[2];
  56 };
  57
  58 static inline IDEState *bmdma_active_if(BMDMAState *bmdma)
  59 {
  60     assert(bmdma->bus->retry_unit != (uint8_t)-1);
  61     return bmdma->bus->ifs + bmdma->bus->retry_unit;
  62 }
  63
  64 void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
  65 void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
  66 extern MemoryRegionOps bmdma_addr_ioport_ops;
  67 void pci_ide_create_devs(PCIDevice *dev);
  68
  69 extern const VMStateDescription vmstate_ide_pci;
  70 extern const MemoryRegionOps pci_ide_cmd_le_ops;
  71 extern const MemoryRegionOps pci_ide_data_le_ops;
  72 #endif