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[Qemu-commits] [COMMIT 6f68ecb] qdev scsi bus infrastructure
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT 6f68ecb] qdev scsi bus infrastructure |
Date: |
Thu, 14 May 2009 21:41:25 -0000 |
From: Paul Brook <address@hidden>
Signed-off-by: Paul Brook <address@hidden>
diff --git a/hw/qdev.c b/hw/qdev.c
index db6f696..a97f425 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -265,3 +265,22 @@ void qdev_attach_child_bus(DeviceState *dev, const char
*name, void *bus)
p->next = dev->child_bus;
dev->child_bus = p;
}
+
+static int next_scsi_bus;
+
+/* Create a scsi bus, and attach devices to it. */
+/* TODO: Actually create a scsi bus for hotplug to use. */
+void scsi_bus_new(DeviceState *host, SCSIAttachFn attach)
+{
+ int bus = next_scsi_bus++;
+ int unit;
+ int index;
+
+ for (unit = 0; unit < MAX_SCSI_DEVS; unit++) {
+ index = drive_get_index(IF_SCSI, bus, unit);
+ if (index == -1) {
+ continue;
+ }
+ attach(host, drives_table[index].bdrv, unit);
+ }
+}
diff --git a/hw/qdev.h b/hw/qdev.h
index 5570e79..eb4ac2f 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -44,6 +44,8 @@ void *qdev_get_child_bus(DeviceState *dev, const char *name);
/*** Device API. ***/
typedef void (*qdev_initfn)(DeviceState *dev, void *opaque);
+typedef void (*SCSIAttachFn)(DeviceState *host, BlockDriverState *bdrv,
+ int unit);
DeviceType *qdev_register(const char *name, int size, qdev_initfn init,
void *opaque);
@@ -54,6 +56,8 @@ void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler
handler, int n);
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n);
void qdev_attach_child_bus(DeviceState *dev, const char *name, void *bus);
+void scsi_bus_new(DeviceState *host, SCSIAttachFn attach);
+
CharDriverState *qdev_init_chardev(DeviceState *dev);
void *qdev_get_bus(DeviceState *dev);
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