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esp: convert ti_buf from array to Fifo8

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Rename TI_BUFSZ to ESP_FIFO_SZ since this constant is really describing the size
of the FIFO and is not directly related to the TI size.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20210304221103.6369-39-mark.cave-ayland@ilande.co.uk>
This commit is contained in:
Mark Cave-Ayland 2021-03-04 22:10:59 +00:00
parent 799d90d818
commit 042879fc3f
2 changed files with 79 additions and 47 deletions
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8
include/hw/scsi/esp.h
View file

@ -3,6 +3,7 @@
#include "hw/scsi/scsi.h"
#include "hw/sysbus.h"
#include "qemu/fifo8.h"
#include "qom/object.h"
/* esp.c */
@ -10,7 +11,7 @@
typedef void (*ESPDMAMemoryReadWriteFunc)(void *opaque, uint8_t *buf, int len);
#define ESP_REGS 16
#define TI_BUFSZ 16
#define ESP_FIFO_SZ 16
#define ESP_CMDBUF_SZ 32
typedef struct ESPState ESPState;
@ -28,10 +29,9 @@ struct ESPState {
uint8_t chip_id;
bool tchi_written;
int32_t ti_size;
uint32_t ti_rptr, ti_wptr;
uint32_t status;
uint32_t dma;
uint8_t ti_buf[TI_BUFSZ];
Fifo8 fifo;
SCSIBus bus;
SCSIDevice *current_dev;
SCSIRequest *current_req;
@ -58,6 +58,8 @@ struct ESPState {
uint32_t mig_dma_left;
uint32_t mig_deferred_status;
bool mig_deferred_complete;
uint32_t mig_ti_rptr, mig_ti_wptr;
uint8_t mig_ti_buf[ESP_FIFO_SZ];
};
#define TYPE_SYSBUS_ESP "sysbus-esp"