[Qemu-devel] [PATCH] Block: Support creation of SCSI VMDK images in qemu-img.

[Alexander Graf]

While looking through patches we have not upstreamed yet, I stumbled over this
trivial patch that Kevin created back in the day. It allows to specify the
creation of scsi type vmdk images.

Signed-off-by: Alexander Graf <address@hidden>
---
 block/vmdk.c |   12 ++++++++++--
 block_int.h  |    2 ++
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/block/vmdk.c b/block/vmdk.c
index 2d4ba42..64f1c88 100644
--- a/block/vmdk.c
+++ b/block/vmdk.c
@@ -686,7 +686,7 @@ static int vmdk_create(const char *filename, 
QEMUOptionParameter *options)
         "ddb.geometry.cylinders = \"%" PRId64 "\"\n"
         "ddb.geometry.heads = \"16\"\n"
         "ddb.geometry.sectors = \"63\"\n"
-        "ddb.adapterType = \"ide\"\n";
+        "ddb.adapterType = \"%s\"\n";
     char desc[1024];
     const char *real_filename, *temp_str;
     int64_t total_size = 0;
@@ -702,6 +702,8 @@ static int vmdk_create(const char *filename, 
QEMUOptionParameter *options)
             backing_file = options->value.s;
         } else if (!strcmp(options->name, BLOCK_OPT_COMPAT6)) {
             flags |= options->value.n ? BLOCK_FLAG_COMPAT6: 0;
+        } else if (!strcmp(options->name, BLOCK_OPT_SCSI)) {
+            flags |= options->value.n ? BLOCK_FLAG_SCSI: 0;
         }
         options++;
     }
@@ -799,7 +801,8 @@ static int vmdk_create(const char *filename, 
QEMUOptionParameter *options)
     snprintf(desc, sizeof(desc), desc_template, (unsigned int)time(NULL),
              total_size, real_filename,
              (flags & BLOCK_FLAG_COMPAT6 ? 6 : 4),
-             total_size / (int64_t)(63 * 16));
+             total_size / (int64_t)(63 * 16),
+             flags & BLOCK_FLAG_SCSI ? "lsilogic" : "ide");
 
     /* write the descriptor */
     lseek(fd, le64_to_cpu(header.desc_offset) << 9, SEEK_SET);
@@ -845,6 +848,11 @@ static QEMUOptionParameter vmdk_create_options[] = {
         .type = OPT_FLAG,
         .help = "VMDK version 6 image"
     },
+    {
+        .name = BLOCK_OPT_SCSI,
+        .type = OPT_FLAG,
+        .help = "SCSI image"
+    },
     { NULL }
 };
 
diff --git a/block_int.h b/block_int.h
index b863451..01ba00e 100644
--- a/block_int.h
+++ b/block_int.h
@@ -31,10 +31,12 @@
 #define BLOCK_FLAG_ENCRYPT     1
 #define BLOCK_FLAG_COMPRESS    2
 #define BLOCK_FLAG_COMPAT6     4
+#define BLOCK_FLAG_SCSI                8
 
 #define BLOCK_OPT_SIZE          "size"
 #define BLOCK_OPT_ENCRYPT       "encryption"
 #define BLOCK_OPT_COMPAT6       "compat6"
+#define BLOCK_OPT_SCSI          "scsi"
 #define BLOCK_OPT_BACKING_FILE  "backing_file"
 #define BLOCK_OPT_BACKING_FMT   "backing_fmt"
 #define BLOCK_OPT_CLUSTER_SIZE  "cluster_size"
-- 
1.6.0.2