[Qemu-devel] [PATCH v2 1/9] ide: Move IDEDevice pointer from IDEBus to IDEState

[armbru@redhat.com]

From: Markus Armbruster <armbru@redhat.com>


Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 hw/ide/core.c     |  2 +-
 hw/ide/internal.h |  3 +--
 hw/ide/qdev.c     | 12 +++---------
 3 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/hw/ide/core.c b/hw/ide/core.c
index e1f4c33..2d382b2 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -79,7 +79,7 @@ static void ide_identify(IDEState *s)
 {
     uint16_t *p;
     unsigned int oldsize;
-    IDEDevice *dev = s->unit ? s->bus->slave : s->bus->master;
+    IDEDevice *dev = s->dev;
 
     if (s->identify_set) {
 	memcpy(s->io_buffer, s->identify_data, sizeof(s->identify_data));
diff --git a/hw/ide/internal.h b/hw/ide/internal.h
index 0567a52..908d91d 100644
--- a/hw/ide/internal.h
+++ b/hw/ide/internal.h
@@ -341,6 +341,7 @@ enum ide_dma_cmd {
 /* NOTE: IDEState represents in fact one drive */
 struct IDEState {
     IDEBus *bus;
+    IDEDevice *dev;
     uint8_t unit;
     /* ide config */
     IDEDriveKind drive_kind;
@@ -447,8 +448,6 @@ struct IDEDMA {
 
 struct IDEBus {
     BusState qbus;
-    IDEDevice *master;
-    IDEDevice *slave;
     IDEState ifs[2];
     int bus_id;
     int max_units;
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index 18c4b7e..6ea1698 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -76,7 +76,7 @@ static int ide_qdev_init(DeviceState *qdev)
         goto err;
     }
     if (dev->unit == -1) {
-        dev->unit = bus->master ? 1 : 0;
+        dev->unit = bus->ifs[0].dev ? 1 : 0;
     }
 
     if (dev->unit >= bus->max_units) {
@@ -87,18 +87,12 @@ static int ide_qdev_init(DeviceState *qdev)
 
     switch (dev->unit) {
     case 0:
-        if (bus->master) {
-            error_report("IDE unit %d is in use", dev->unit);
-            goto err;
-        }
-        bus->master = dev;
-        break;
     case 1:
-        if (bus->slave) {
+        if (bus->ifs[dev->unit].dev) {
             error_report("IDE unit %d is in use", dev->unit);
             goto err;
         }
-        bus->slave = dev;
+        bus->ifs[dev->unit].dev = dev;
         break;
     default:
         error_report("Invalid IDE unit %d", dev->unit);
-- 
1.8.1.4