ide: rename cmd_write to ctrl_write

It's the Control register, part of the Control block -- Command is
misleading here. Rename all related functions and constants.

Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

7 files changed, 24 insertions, 23 deletions

diff --git a/hw/ide/core.c b/hw/ide/core.c
index f76f7e5234..84499e2241 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -2235,25 +2235,25 @@ uint32_t ide_status_read(void *opaque, uint32_t addr)
     return ret;
 }
 
-void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val)
+void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val)
 {
     IDEBus *bus = opaque;
     IDEState *s;
     int i;
 
-    trace_ide_cmd_write(addr, val, bus);
+    trace_ide_ctrl_write(addr, val, bus);
 
     /* common for both drives */
-    if (!(bus->cmd & IDE_CMD_RESET) &&
-        (val & IDE_CMD_RESET)) {
+    if (!(bus->cmd & IDE_CTRL_RESET) &&
+        (val & IDE_CTRL_RESET)) {
         /* reset low to high */
         for(i = 0;i < 2; i++) {
             s = &bus->ifs[i];
             s->status = BUSY_STAT | SEEK_STAT;
             s->error = 0x01;
         }
-    } else if ((bus->cmd & IDE_CMD_RESET) &&
-               !(val & IDE_CMD_RESET)) {
+    } else if ((bus->cmd & IDE_CTRL_RESET) &&
+               !(val & IDE_CTRL_RESET)) {
         /* high to low */
         for(i = 0;i < 2; i++) {
             s = &bus->ifs[i];
diff --git a/hw/ide/ioport.c b/hw/ide/ioport.c
index ab1f4e5d9c..b613ff3bba 100644
--- a/hw/ide/ioport.c
+++ b/hw/ide/ioport.c
@@ -46,7 +46,7 @@ static const MemoryRegionPortio ide_portio_list[] = {
 };
 
 static const MemoryRegionPortio ide_portio2_list[] = {
-    { 0, 1, 1, .read = ide_status_read, .write = ide_cmd_write },
+    { 0, 1, 1, .read = ide_status_read, .write = ide_ctrl_write },
     PORTIO_END_OF_LIST(),
 };
 
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index 62a599a075..b270a10163 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -329,7 +329,7 @@ static void pmac_ide_write(void *opaque, hwaddr addr, uint64_t val,
     case 0x8:
     case 0x16:
         if (size == 1) {
-            ide_cmd_write(&d->bus, 0, val);
+            ide_ctrl_write(&d->bus, 0, val);
         }
         break;
     case 0x20:
diff --git a/hw/ide/mmio.c b/hw/ide/mmio.c
index 4bf6e3a8b7..36e2f4790a 100644
--- a/hw/ide/mmio.c
+++ b/hw/ide/mmio.c
@@ -98,16 +98,16 @@ static uint64_t mmio_ide_status_read(void *opaque, hwaddr addr,
     return ide_status_read(&s->bus, 0);
 }
 
-static void mmio_ide_cmd_write(void *opaque, hwaddr addr,
-                               uint64_t val, unsigned size)
+static void mmio_ide_ctrl_write(void *opaque, hwaddr addr,
+                                uint64_t val, unsigned size)
 {
     MMIOState *s = opaque;
-    ide_cmd_write(&s->bus, 0, val);
+    ide_ctrl_write(&s->bus, 0, val);
 }
 
 static const MemoryRegionOps mmio_ide_cs_ops = {
     .read = mmio_ide_status_read,
-    .write = mmio_ide_cmd_write,
+    .write = mmio_ide_ctrl_write,
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
diff --git a/hw/ide/pci.c b/hw/ide/pci.c
index b50091b615..84ba733548 100644
--- a/hw/ide/pci.c
+++ b/hw/ide/pci.c
@@ -38,7 +38,7 @@
         (IDE_RETRY_DMA | IDE_RETRY_PIO | \
         IDE_RETRY_READ | IDE_RETRY_FLUSH)
 
-static uint64_t pci_ide_cmd_read(void *opaque, hwaddr addr, unsigned size)
+static uint64_t pci_ide_status_read(void *opaque, hwaddr addr, unsigned size)
 {
     IDEBus *bus = opaque;
 
@@ -48,20 +48,20 @@ static uint64_t pci_ide_cmd_read(void *opaque, hwaddr addr, unsigned size)
     return ide_status_read(bus, addr + 2);
 }
 
-static void pci_ide_cmd_write(void *opaque, hwaddr addr,
-                              uint64_t data, unsigned size)
+static void pci_ide_ctrl_write(void *opaque, hwaddr addr,
+                               uint64_t data, unsigned size)
 {
     IDEBus *bus = opaque;
 
     if (addr != 2 || size != 1) {
         return;
     }
-    ide_cmd_write(bus, addr + 2, data);
+    ide_ctrl_write(bus, addr + 2, data);
 }
 
 const MemoryRegionOps pci_ide_cmd_le_ops = {
-    .read = pci_ide_cmd_read,
-    .write = pci_ide_cmd_write,
+    .read = pci_ide_status_read,
+    .write = pci_ide_ctrl_write,
     .endianness = DEVICE_LITTLE_ENDIAN,
 };
 
diff --git a/hw/ide/trace-events b/hw/ide/trace-events
index 2e4162629f..6e357685f9 100644
--- a/hw/ide/trace-events
+++ b/hw/ide/trace-events
@@ -5,7 +5,7 @@
 ide_ioport_read(uint32_t addr, const char *reg, uint32_t val, void *bus, void *s)  "IDE PIO rd @ 0x%"PRIx32" (%s); val 0x%02"PRIx32"; bus %p IDEState %p"
 ide_ioport_write(uint32_t addr, const char *reg, uint32_t val, void *bus, void *s) "IDE PIO wr @ 0x%"PRIx32" (%s); val 0x%02"PRIx32"; bus %p IDEState %p"
 ide_status_read(uint32_t addr, uint32_t val, void *bus, void *s)                   "IDE PIO rd @ 0x%"PRIx32" (Alt Status); val 0x%02"PRIx32"; bus %p; IDEState %p"
-ide_cmd_write(uint32_t addr, uint32_t val, void *bus)                              "IDE PIO wr @ 0x%"PRIx32" (Device Control); val 0x%02"PRIx32"; bus %p"
+ide_ctrl_write(uint32_t addr, uint32_t val, void *bus)                             "IDE PIO wr @ 0x%"PRIx32" (Device Control); val 0x%02"PRIx32"; bus %p"
 # Warning: verbose
 ide_data_readw(uint32_t addr, uint32_t val, void *bus, void *s)                    "IDE PIO rd @ 0x%"PRIx32" (Data: Word); val 0x%04"PRIx32"; bus %p; IDEState %p"
 ide_data_writew(uint32_t addr, uint32_t val, void *bus, void *s)                   "IDE PIO wr @ 0x%"PRIx32" (Data: Word); val 0x%04"PRIx32"; bus %p; IDEState %p"
diff --git a/include/hw/ide/internal.h b/include/hw/ide/internal.h
index 8a95ad8c4d..a23bb2f348 100644
--- a/include/hw/ide/internal.h
+++ b/include/hw/ide/internal.h
@@ -57,8 +57,9 @@ OBJECT_DECLARE_SIMPLE_TYPE(IDEBus, IDE_BUS)
 #define REL			0x04
 #define TAG_MASK		0xf8
 
-#define IDE_CMD_RESET           0x04
-#define IDE_CMD_DISABLE_IRQ     0x02
+/* Bits of Device Control register */
+#define IDE_CTRL_RESET          0x04
+#define IDE_CTRL_DISABLE_IRQ    0x02
 
 /* ACS-2 T13/2015-D Table B.2 Command codes */
 #define WIN_NOP				0x00
@@ -559,7 +560,7 @@ static inline IDEState *idebus_active_if(IDEBus *bus)
 
 static inline void ide_set_irq(IDEBus *bus)
 {
-    if (!(bus->cmd & IDE_CMD_DISABLE_IRQ)) {
+    if (!(bus->cmd & IDE_CTRL_DISABLE_IRQ)) {
         qemu_irq_raise(bus->irq);
     }
 }
@@ -598,7 +599,7 @@ void ide_atapi_io_error(IDEState *s, int ret);
 void ide_ioport_write(void *opaque, uint32_t addr, uint32_t val);
 uint32_t ide_ioport_read(void *opaque, uint32_t addr1);
 uint32_t ide_status_read(void *opaque, uint32_t addr);
-void ide_cmd_write(void *opaque, uint32_t addr, uint32_t val);
+void ide_ctrl_write(void *opaque, uint32_t addr, uint32_t val);
 void ide_data_writew(void *opaque, uint32_t addr, uint32_t val);
 uint32_t ide_data_readw(void *opaque, uint32_t addr);
 void ide_data_writel(void *opaque, uint32_t addr, uint32_t val);