esp.c: rename data_in_ready to to data_ready

This field is currently used to handle deferred interrupts for the DATA IN phase
but the code will soon be updated to do the same for the DATA OUT phase.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Tested-by: Helge Deller <deller@gmx.de>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20240112125420.514425-58-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>

hw/scsi/esp.c

@@ -328,7 +328,7 @@ static void do_command_phase(ESPState *s)
              * Switch to DATA IN phase but wait until initial data xfer is
              * complete before raising the command completion interrupt
              */
-            s->data_in_ready = false;
+            s->data_ready = false;
             esp_set_phase(s, STAT_DI);
         } else {
             esp_set_phase(s, STAT_DO);
@@ -859,12 +859,12 @@ void esp_transfer_data(SCSIRequest *req, uint32_t len)
     s->async_len = len;
     s->async_buf = scsi_req_get_buf(req);
 
-    if (!to_device && !s->data_in_ready) {
+    if (!to_device && !s->data_ready) {
         /*
          * Initial incoming data xfer is complete so raise command
          * completion interrupt
          */
-        s->data_in_ready = true;
+        s->data_ready = true;
         s->rregs[ESP_RINTR] |= INTR_BS;
         esp_raise_irq(s);
     }
@@ -1241,7 +1241,7 @@ const VMStateDescription vmstate_esp = {
         VMSTATE_UINT32_TEST(mig_cmdlen, ESPState, esp_is_before_version_5),
         VMSTATE_UINT32(do_cmd, ESPState),
         VMSTATE_UINT32_TEST(mig_dma_left, ESPState, esp_is_before_version_5),
-        VMSTATE_BOOL_TEST(data_in_ready, ESPState, esp_is_version_5),
+        VMSTATE_BOOL_TEST(data_ready, ESPState, esp_is_version_5),
         VMSTATE_UINT8_TEST(cmdfifo_cdb_offset, ESPState, esp_is_version_5),
         VMSTATE_FIFO8_TEST(fifo, ESPState, esp_is_version_5),
         VMSTATE_FIFO8_TEST(cmdfifo, ESPState, esp_is_version_5),

include/hw/scsi/esp.h

@@ -40,7 +40,7 @@ struct ESPState {
     uint8_t lun;
     uint32_t do_cmd;
 
-    bool data_in_ready;
+    bool data_ready;
     uint8_t ti_cmd;
     int dma_enabled;