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DM: move boot device option 'b' just after emul

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The original code assume there is only one configuration for
virtio-blk, and 'b' is just located after that configuration,
so to get the value of 'b', it will end char *config by adding
'\0' after the first configuration.

Thus, char *config will change from:
  /XXXX_vdisk_file,range=xxx/xxx
to:
  /XXXX_vdisk_file
and char *b will point to:
  range=xxx/xxx
So, the range will never take effect for virtio-blk.

Now, 'b' is designed to located just after emul, and
char *config will point to all configurations after 'b'.

Note: only ",b," is taken for boot device option.

Signed-off-by: Conghui Chen <conghui.chen@intel.com>
Reviewed-by: Yin Fengwei <fengwei.yin@intel.com>
Reviewed-by: Hao Li <hao.l.li@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Conghui Chen 2018-04-26 03:29:48 +08:00 committed by Jack Ren
parent 919aa3d374
commit df2d925a27
1 changed files with 9 additions and 4 deletions
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13
devicemodel/hw/pci/core.c
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@ -181,10 +181,15 @@ pci_parse_slot(char *opt)
if (cp != NULL) {
*cp = '\0';
config = cp + 1;
cp = strchr(config, ',');
if (cp != NULL) {
*cp = '\0';
b = cp + 1;
if (*config == 'b') {
b = config;
cp = config + 1;
if (*cp == ',') {
*cp = '\0';
config = cp + 1;
} else {
b = NULL;
}
}
}
} else {