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); 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 72