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[Qemu-devel] [PATCH v3 21/32] blockdev: Separate parallels probe from it
From: |
Colin Lord |
Subject: |
[Qemu-devel] [PATCH v3 21/32] blockdev: Separate parallels probe from its driver |
Date: |
Tue, 5 Jul 2016 11:24:21 -0400 |
Completes the separation of the parallels probe from the parallels
driver. The parallels probe now returns the format in addition to the
score, allowing correlation of the score and driver without the probe
function being part of the driver itself.
Signed-off-by: Colin Lord <address@hidden>
---
block.c | 1 +
block/parallels.c | 1 -
block/probe/parallels.c | 18 +++++++++++-------
include/block/probe.h | 3 ++-
4 files changed, 14 insertions(+), 9 deletions(-)
diff --git a/block.c b/block.c
index 7dbe201..0f4c9f6 100644
--- a/block.c
+++ b/block.c
@@ -65,6 +65,7 @@ static BdrvProbeFunc *format_probes[] = {
cloop_probe,
block_crypto_probe_luks,
dmg_probe,
+ parallels_probe,
};
static QTAILQ_HEAD(, BlockDriverState) graph_bdrv_states =
diff --git a/block/parallels.c b/block/parallels.c
index 547373e..6994c41 100644
--- a/block/parallels.c
+++ b/block/parallels.c
@@ -709,7 +709,6 @@ static QemuOptsList parallels_create_opts = {
static BlockDriver bdrv_parallels = {
.format_name = "parallels",
.instance_size = sizeof(BDRVParallelsState),
- .bdrv_probe = parallels_probe,
.bdrv_open = parallels_open,
.bdrv_close = parallels_close,
.bdrv_co_get_block_status = parallels_co_get_block_status,
diff --git a/block/probe/parallels.c b/block/probe/parallels.c
index 66cddea..3ebeddd 100644
--- a/block/probe/parallels.c
+++ b/block/probe/parallels.c
@@ -3,20 +3,24 @@
#include "block/probe.h"
#include "block/driver/parallels.h"
-int parallels_probe(const uint8_t *buf, int buf_size,
- const char *filename)
+const char *parallels_probe(const uint8_t *buf, int buf_size,
+ const char *filename, int *score)
{
+ const char *format = "parallels";
const ParallelsHeader *ph = (const void *)buf;
+ assert(score);
+ *score = 0;
if (buf_size < sizeof(ParallelsHeader)) {
- return 0;
+ return format;
}
if ((!memcmp(ph->magic, HEADER_MAGIC, 16) ||
- !memcmp(ph->magic, HEADER_MAGIC2, 16)) &&
- (le32_to_cpu(ph->version) == HEADER_VERSION)) {
- return 100;
+ !memcmp(ph->magic, HEADER_MAGIC2, 16)) &&
+ (le32_to_cpu(ph->version) == HEADER_VERSION)) {
+ *score = 100;
+ return format;
}
- return 0;
+ return format;
}
diff --git a/include/block/probe.h b/include/block/probe.h
index ef6629f..7383a64 100644
--- a/include/block/probe.h
+++ b/include/block/probe.h
@@ -1,7 +1,6 @@
#ifndef PROBE_H
#define PROBE_H
-int parallels_probe(const uint8_t *buf, int buf_size, const char *filename);
int qcow_probe(const uint8_t *buf, int buf_size, const char *filename);
int qcow2_probe(const uint8_t *buf, int buf_size, const char *filename);
int bdrv_qed_probe(const uint8_t *buf, int buf_size, const char *filename);
@@ -18,5 +17,7 @@ const char *block_crypto_probe_luks(const uint8_t *buf, int
buf_size,
const char *filename, int *score);
const char *dmg_probe(const uint8_t *buf, int buf_size, const char *filename,
int *score);
+const char *parallels_probe(const uint8_t *buf, int buf_size,
+ const char *filename, int *score);
#endif
--
2.5.5
- Re: [Qemu-devel] [PATCH v3 32/32] blockdev: Remove bdrv_probe_device field from BlockDriver, (continued)
- [Qemu-devel] [PATCH v3 22/32] blockdev: Separate qcow probe from its driver, Colin Lord, 2016/07/05
- [Qemu-devel] [PATCH v3 21/32] blockdev: Separate parallels probe from its driver,
Colin Lord <=
- [Qemu-devel] [PATCH v3 27/32] blockdev: Separate vhdx probe from its driver, Colin Lord, 2016/07/05
- [Qemu-devel] [PATCH v3 25/32] blockdev: Separate raw probe from its driver, Colin Lord, 2016/07/05
- Re: [Qemu-devel] [Qemu-block] [PATCH v3 00/32] Dynamic module loading for block drivers, John Snow, 2016/07/07
- Re: [Qemu-devel] [Qemu-block] [PATCH v3 00/32] Dynamic module loading for block drivers, Stefan Hajnoczi, 2016/07/14