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 73