1 #ifndef HW_IDE_PCI_H 2 #define HW_IDE_PCI_H 3 4 #include "hw/ide/internal.h" 5 6 #define BM_STATUS_DMAING 0x01 7 #define BM_STATUS_ERROR 0x02 8 #define BM_STATUS_INT 0x04 9 10 #define BM_CMD_START 0x01 11 #define BM_CMD_READ 0x08 12 13 typedef struct BMDMAState { 14 IDEDMA dma; 15 uint8_t cmd; 16 uint8_t status; 17 uint32_t addr; 18 19 IDEBus *bus; 20 /* current transfer state */ 21 uint32_t cur_addr; 22 uint32_t cur_prd_last; 23 uint32_t cur_prd_addr; 24 uint32_t cur_prd_len; 25 BlockCompletionFunc *dma_cb; 26 MemoryRegion addr_ioport; 27 MemoryRegion extra_io; 28 qemu_irq irq; 29 30 /* Bit 0-2 and 7: BM status register 31 * Bit 3-6: bus->error_status */ 32 uint8_t migration_compat_status; 33 uint8_t migration_retry_unit; 34 int64_t migration_retry_sector_num; 35 uint32_t migration_retry_nsector; 36 37 struct PCIIDEState *pci_dev; 38 } BMDMAState; 39 40 typedef struct CMD646BAR { 41 MemoryRegion cmd; 42 MemoryRegion data; 43 IDEBus *bus; 44 } CMD646BAR; 45 46 #define TYPE_PCI_IDE "pci-ide" 47 #define PCI_IDE(obj) OBJECT_CHECK(PCIIDEState, (obj), TYPE_PCI_IDE) 48 49 typedef struct PCIIDEState { 50 /*< private >*/ 51 PCIDevice parent_obj; 52 /*< public >*/ 53 54 IDEBus bus[2]; 55 BMDMAState bmdma[2]; 56 uint32_t secondary; /* used only for cmd646 */ 57 MemoryRegion bmdma_bar; 58 CMD646BAR cmd646_bar[2]; /* used only for cmd646 */ 59 } PCIIDEState; 60 61 62 static inline IDEState *bmdma_active_if(BMDMAState *bmdma) 63 { 64 assert(bmdma->bus->retry_unit != (uint8_t)-1); 65 return bmdma->bus->ifs + bmdma->bus->retry_unit; 66 } 67 68 69 void bmdma_init(IDEBus *bus, BMDMAState *bm, PCIIDEState *d); 70 void bmdma_cmd_writeb(BMDMAState *bm, uint32_t val); 71 extern MemoryRegionOps bmdma_addr_ioport_ops; 72 void pci_ide_create_devs(PCIDevice *dev, DriveInfo **hd_table); 73 74 extern const VMStateDescription vmstate_ide_pci; 75 #endif 76