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From c6de1e3f478b5449d1283c66164c5ede351db600 Mon Sep 17 00:00:00 2001
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From: Max Reitz <mreitz@redhat.com>
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Date: Wed, 6 Nov 2013 16:53:35 +0100
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Subject: [PATCH 78/87] block: Add bdrv_get_specific_info
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RH-Author: Max Reitz <mreitz@redhat.com>
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Message-id: <1383756824-6921-13-git-send-email-mreitz@redhat.com>
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Patchwork-id: 55567
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O-Subject: [RHEL-7.0 qemu-kvm PATCH v2 12/21] block: Add bdrv_get_specific_info
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Bugzilla: 980771
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RH-Acked-by: Kevin Wolf <kwolf@redhat.com>
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RH-Acked-by: Fam Zheng <famz@redhat.com>
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RH-Acked-by: Jeffrey Cody <jcody@redhat.com>
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BZ: 980771
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Add a function for retrieving an ImageInfoSpecific object from a block
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driver.
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit eae041fe6f4314962e873615134eefb32cf8ba61)
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Signed-off-by: Max Reitz <mreitz@redhat.com>
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---
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block.c | 9 +++++++++
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block/qapi.c | 3 +++
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include/block/block.h | 1 +
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include/block/block_int.h | 1 +
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4 files changed, 14 insertions(+)
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Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
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---
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block.c | 9 +++++++++
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block/qapi.c | 3 +++
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include/block/block.h | 1 +
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include/block/block_int.h | 1 +
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4 files changed, 14 insertions(+), 0 deletions(-)
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diff --git a/block.c b/block.c
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index e4885da..6913799 100644
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--- a/block.c
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+++ b/block.c
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@@ -3309,6 +3309,15 @@ int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
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return drv->bdrv_get_info(bs, bdi);
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}
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+ImageInfoSpecific *bdrv_get_specific_info(BlockDriverState *bs)
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+{
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+ BlockDriver *drv = bs->drv;
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+ if (drv && drv->bdrv_get_specific_info) {
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+ return drv->bdrv_get_specific_info(bs);
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+ }
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+ return NULL;
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+}
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+
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int bdrv_save_vmstate(BlockDriverState *bs, const uint8_t *buf,
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int64_t pos, int size)
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{
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diff --git a/block/qapi.c b/block/qapi.c
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index a4bc411..896cd37 100644
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--- a/block/qapi.c
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+++ b/block/qapi.c
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@@ -134,6 +134,9 @@ void bdrv_query_image_info(BlockDriverState *bs,
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info->dirty_flag = bdi.is_dirty;
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info->has_dirty_flag = true;
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}
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+ info->format_specific = bdrv_get_specific_info(bs);
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+ info->has_format_specific = info->format_specific != NULL;
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+
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backing_filename = bs->backing_file;
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if (backing_filename[0] != '\0') {
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info->backing_filename = g_strdup(backing_filename);
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diff --git a/include/block/block.h b/include/block/block.h
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index 7695cae..656570e 100644
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--- a/include/block/block.h
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+++ b/include/block/block.h
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@@ -338,6 +338,7 @@ int bdrv_get_flags(BlockDriverState *bs);
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int bdrv_write_compressed(BlockDriverState *bs, int64_t sector_num,
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const uint8_t *buf, int nb_sectors);
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int bdrv_get_info(BlockDriverState *bs, BlockDriverInfo *bdi);
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+ImageInfoSpecific *bdrv_get_specific_info(BlockDriverState *bs);
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void bdrv_round_to_clusters(BlockDriverState *bs,
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int64_t sector_num, int nb_sectors,
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int64_t *cluster_sector_num,
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diff --git a/include/block/block_int.h b/include/block/block_int.h
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index 9348238..0dbc34f 100644
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--- a/include/block/block_int.h
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+++ b/include/block/block_int.h
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@@ -166,6 +166,7 @@ struct BlockDriver {
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int (*bdrv_snapshot_load_tmp)(BlockDriverState *bs,
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const char *snapshot_name);
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int (*bdrv_get_info)(BlockDriverState *bs, BlockDriverInfo *bdi);
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+ ImageInfoSpecific *(*bdrv_get_specific_info)(BlockDriverState *bs);
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int (*bdrv_save_vmstate)(BlockDriverState *bs, QEMUIOVector *qiov,
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int64_t pos);
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--
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1.7.1
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