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