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bhyve: detect 32 SATA devices per controller support

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Introduce a BHYVE_CAP_AHCI32SLOT capability that shows
if 32 devices per SATA controller are supported, and
a bhyveProbeCapsAHCI32Slot function that probes it.
This commit is contained in:
Fabian Freyer 2017-01-05 16:21:52 +04:00 committed by Roman Bogorodskiy
parent b66bf0730a
commit 20a7737d35
2 changed files with 52 additions and 10 deletions
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59
src/bhyve/bhyve_capabilities.c
View File

@ -168,19 +168,13 @@ virBhyveProbeGrubCaps(virBhyveGrubCapsFlags *caps)
return ret;
}
int
virBhyveProbeCaps(unsigned int *caps)
static int
bhyveProbeCapsRTC_UTC(unsigned int *caps, char *binary)
{
char *binary, *help;
char *help;
virCommandPtr cmd = NULL;
int ret = 0, exit;
binary = virFindFileInPath("bhyve");
if (binary == NULL)
goto out;
if (!virFileIsExecutable(binary))
goto out;
cmd = virCommandNew(binary);
virCommandAddArg(cmd, "-h");
virCommandSetErrorBuffer(cmd, &help);
@ -195,6 +189,53 @@ virBhyveProbeCaps(unsigned int *caps)
out:
VIR_FREE(help);
virCommandFree(cmd);
return ret;
}
static int
bhyveProbeCapsAHCI32Slot(unsigned int *caps, char *binary)
{
char *error;
virCommandPtr cmd = NULL;
int ret = 0, exit;
cmd = virCommandNew(binary);
virCommandAddArgList(cmd, "-s", "0,ahci", NULL);
virCommandSetErrorBuffer(cmd, &error);
if (virCommandRun(cmd, &exit) < 0) {
ret = -1;
goto out;
}
if (strstr(error, "pci slot 0:0: unknown device \"ahci\"") == NULL)
*caps |= BHYVE_CAP_AHCI32SLOT;
out:
VIR_FREE(error);
virCommandFree(cmd);
return ret;
}
int
virBhyveProbeCaps(unsigned int *caps)
{
char *binary;
int ret = 0;
binary = virFindFileInPath("bhyve");
if (binary == NULL)
goto out;
if (!virFileIsExecutable(binary))
goto out;
if ((ret = bhyveProbeCapsRTC_UTC(caps, binary)))
goto out;
if ((ret = bhyveProbeCapsAHCI32Slot(caps, binary)))
goto out;
out:
VIR_FREE(binary);
return ret;
}

3
src/bhyve/bhyve_capabilities.h
View File

@ -37,7 +37,8 @@ typedef enum {
} virBhyveGrubCapsFlags;
typedef enum {
BHYVE_CAP_RTC_UTC = 1,
BHYVE_CAP_RTC_UTC = 1 << 0,
BHYVE_CAP_AHCI32SLOT = 1 << 1,
} virBhyveCapsFlags;
int virBhyveProbeGrubCaps(virBhyveGrubCapsFlags *caps);