From: Marcelo Tosatti <[EMAIL PROTECTED]>
To be used by hot-remove.
Signed-off-by: Marcelo Tosatti <[EMAIL PROTECTED]>
Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>
diff --git a/qemu/sysemu.h b/qemu/sysemu.h
index af0a31b..e845abb 100644
--- a/qemu/sysemu.h
+++ b/qemu/sysemu.h
@@ -140,6 +140,7 @@ typedef struct DriveInfo {
int bus;
int unit;
int used;
+ int drive_opt_idx;
} DriveInfo;
#define MAX_IDE_DEVS 2
@@ -153,6 +154,9 @@ int extboot_drive;
extern int drive_get_index(BlockInterfaceType type, int bus, int unit);
extern int drive_get_max_bus(BlockInterfaceType type);
+extern void drive_uninit(BlockDriverState *bdrv);
+extern void drive_remove(int index);
+
/* acpi */
void qemu_system_cpu_hot_add(int cpu, int state);
void qemu_system_hot_add_init(char *cpu_model);
diff --git a/qemu/vl.c b/qemu/vl.c
index 834d4f7..637c37f 100644
--- a/qemu/vl.c
+++ b/qemu/vl.c
@@ -5010,6 +5010,12 @@ static int drive_add(const char *file, const char *fmt,
...)
return index;
}
+void drive_remove(int index)
+{
+ drives_opt[index].used = 0;
+ nb_drives_opt--;
+}
+
int drive_get_index(BlockInterfaceType type, int bus, int unit)
{
int index;
@@ -5040,6 +5046,20 @@ int drive_get_max_bus(BlockInterfaceType type)
return max_bus;
}
+void drive_uninit(BlockDriverState *bdrv)
+{
+ int i;
+
+ for (i = 0; i < MAX_DRIVES; i++)
+ if (drives_table[i].bdrv == bdrv) {
+ drives_table[i].bdrv = NULL;
+ drives_table[i].used = 0;
+ drive_remove(drives_table[i].drive_opt_idx);
+ nb_drives--;
+ break;
+ }
+}
+
static int drive_init(struct drive_opt *arg, int snapshot,
QEMUMachine *machine)
{
@@ -5313,6 +5333,7 @@ static int drive_init(struct drive_opt *arg, int snapshot,
drives_table[drives_table_idx].type = type;
drives_table[drives_table_idx].bus = bus_id;
drives_table[drives_table_idx].unit = unit_id;
+ drives_table[drives_table_idx].drive_opt_idx = arg - drives_opt;
nb_drives++;
switch(type) {
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