LXR qemu/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
  14typedef 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
  44typedef 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
  57static 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
  63void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d);
  64void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val);
  65extern MemoryRegionOps bmdma_addr_ioport_ops;
  66void pci_ide_create_devs(PCIDevice *dev);
  67
  68extern const VMStateDescription vmstate_ide_pci;
  69extern const MemoryRegionOps pci_ide_cmd_le_ops;
  70extern const MemoryRegionOps pci_ide_data_le_ops;
  71#endif
  72