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
);
17 #define ESP_CMDBUF_SZ 32
19 typedef struct ESPState ESPState
;
22 uint8_t rregs
[ESP_REGS
];
23 uint8_t wregs
[ESP_REGS
];
28 uint32_t ti_rptr
, ti_wptr
;
31 uint8_t ti_buf
[TI_BUFSZ
];
33 SCSIDevice
*current_dev
;
34 SCSIRequest
*current_req
;
35 uint8_t cmdbuf
[ESP_CMDBUF_SZ
];
39 /* The amount of data left in the current DMA transfer. */
41 /* The size of the current DMA transfer. Zero if no transfer is in
49 ESPDMAMemoryReadWriteFunc dma_memory_read
;
50 ESPDMAMemoryReadWriteFunc dma_memory_write
;
52 void (*dma_cb
)(ESPState
*s
);
60 #define ESP_WBUSID 0x4
64 #define ESP_WSYNTP 0x6
65 #define ESP_RFLAGS 0x7
82 #define CMD_FLUSH 0x01
83 #define CMD_RESET 0x02
84 #define CMD_BUSRESET 0x03
87 #define CMD_MSGACC 0x12
90 #define CMD_RSTATN 0x1b
92 #define CMD_SELATN 0x42
93 #define CMD_SELATNS 0x43
94 #define CMD_ENSEL 0x44
95 #define CMD_DISSEL 0x45
103 #define STAT_PIO_MASK 0x06
108 #define STAT_INT 0x80
110 #define BUSID_DID 0x07
115 #define INTR_RST 0x80
120 #define CFG1_RESREPT 0x40
122 #define TCHI_FAS100A 0x4
123 #define TCHI_AM53C974 0x12
125 void esp_dma_enable(ESPState
*s
, int irq
, int level
);
126 void esp_request_cancelled(SCSIRequest
*req
);
127 void esp_command_complete(SCSIRequest
*req
, uint32_t status
, size_t resid
);
128 void esp_transfer_data(SCSIRequest
*req
, uint32_t len
);
129 void esp_hard_reset(ESPState
*s
);
130 uint64_t esp_reg_read(ESPState
*s
, uint32_t saddr
);
131 void esp_reg_write(ESPState
*s
, uint32_t saddr
, uint64_t val
);
132 extern const VMStateDescription vmstate_esp
;