4 #include "hw/scsi/scsi.h"
8 typedef void (*ESPDMAMemoryReadWriteFunc)(void *opaque, uint8_t *buf, int len);
9 void esp_init(hwaddr espaddr, int it_shift,
10 ESPDMAMemoryReadWriteFunc dma_memory_read,
11 ESPDMAMemoryReadWriteFunc dma_memory_write,
12 void *dma_opaque, qemu_irq irq, qemu_irq *reset,
13 qemu_irq *dma_enable);
18 typedef struct ESPState ESPState;
21 uint8_t rregs[ESP_REGS];
22 uint8_t wregs[ESP_REGS];
27 uint32_t ti_rptr, ti_wptr;
30 uint8_t ti_buf[TI_BUFSZ];
32 SCSIDevice *current_dev;
33 SCSIRequest *current_req;
34 uint8_t cmdbuf[TI_BUFSZ];
38 /* The amount of data left in the current DMA transfer. */
40 /* The size of the current DMA transfer. Zero if no transfer is in
48 ESPDMAMemoryReadWriteFunc dma_memory_read;
49 ESPDMAMemoryReadWriteFunc dma_memory_write;
51 void (*dma_cb)(ESPState *s);
59 #define ESP_WBUSID 0x4
63 #define ESP_WSYNTP 0x6
64 #define ESP_RFLAGS 0x7
81 #define CMD_FLUSH 0x01
82 #define CMD_RESET 0x02
83 #define CMD_BUSRESET 0x03
86 #define CMD_MSGACC 0x12
89 #define CMD_RSTATN 0x1b
91 #define CMD_SELATN 0x42
92 #define CMD_SELATNS 0x43
93 #define CMD_ENSEL 0x44
94 #define CMD_DISSEL 0x45
102 #define STAT_PIO_MASK 0x06
107 #define STAT_INT 0x80
109 #define BUSID_DID 0x07
114 #define INTR_RST 0x80
119 #define CFG1_RESREPT 0x40
121 #define TCHI_FAS100A 0x4
122 #define TCHI_AM53C974 0x12
124 void esp_dma_enable(ESPState *s, int irq, int level);
125 void esp_request_cancelled(SCSIRequest *req);
126 void esp_command_complete(SCSIRequest *req, uint32_t status, size_t resid);
127 void esp_transfer_data(SCSIRequest *req, uint32_t len);
128 void esp_hard_reset(ESPState *s);
129 uint64_t esp_reg_read(ESPState *s, uint32_t saddr);
130 void esp_reg_write(ESPState *s, uint32_t saddr, uint64_t val);
131 extern const VMStateDescription vmstate_esp;