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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2021-03-04 22:11:00 +0000
committerMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2021-03-07 10:39:05 +0000
commit023666da792ac465e43dee3bacb21bb781de5cdb (patch)
treebb22cbc9ad2de6fceb05fb2876433ebb0237751c /include
parent042879fc3fc02b67d907b462020c975f6fb1f5ae (diff)
esp: convert cmdbuf from array to Fifo8
Rename ESP_CMDBUF_SZ to ESP_CMDFIFO_SZ and cmdbuf_cdb_offset to cmdfifo_cdb_offset to indicate that the command buffer type has changed from an array to a Fifo8. This also enables us to remove the ESPState field cmdlen since the command length is now simply the number of elements used in cmdfifo. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20210304221103.6369-40-mark.cave-ayland@ilande.co.uk>
Diffstat (limited to 'include')
-rw-r--r--include/hw/scsi/esp.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/include/hw/scsi/esp.h b/include/hw/scsi/esp.h
index eb4e8ba171..2fe8d20ab5 100644
--- a/include/hw/scsi/esp.h
+++ b/include/hw/scsi/esp.h
@@ -12,7 +12,7 @@ typedef void (*ESPDMAMemoryReadWriteFunc)(void *opaque, uint8_t *buf, int len);
#define ESP_REGS 16
#define ESP_FIFO_SZ 16
-#define ESP_CMDBUF_SZ 32
+#define ESP_CMDFIFO_SZ 32
typedef struct ESPState ESPState;
@@ -35,9 +35,8 @@ struct ESPState {
SCSIBus bus;
SCSIDevice *current_dev;
SCSIRequest *current_req;
- uint8_t cmdbuf[ESP_CMDBUF_SZ];
- uint32_t cmdlen;
- uint8_t cmdbuf_cdb_offset;
+ Fifo8 cmdfifo;
+ uint8_t cmdfifo_cdb_offset;
uint32_t do_cmd;
bool data_in_ready;
@@ -60,6 +59,8 @@ struct ESPState {
bool mig_deferred_complete;
uint32_t mig_ti_rptr, mig_ti_wptr;
uint8_t mig_ti_buf[ESP_FIFO_SZ];
+ uint8_t mig_cmdbuf[ESP_CMDFIFO_SZ];
+ uint32_t mig_cmdlen;
};
#define TYPE_SYSBUS_ESP "sysbus-esp"