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util: Remove now-unneeded resctrl functions

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Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2017-11-20 14:01:59 +01:00
parent 3bbae43d8c
commit 6328e48713
3 changed files with 0 additions and 145 deletions
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2
src/libvirt_private.syms
View File

@ -2552,8 +2552,6 @@ virRandomInt;
# util/virresctrl.h
virCacheTypeFromString;
virCacheTypeToString;
virResctrlGetCacheControlType;
virResctrlGetCacheInfo;
virResctrlGetInfo;
virResctrlInfoGetCache;
virResctrlInfoNew;

132
src/util/virresctrl.c
View File

@ -358,135 +358,3 @@ virResctrlInfoGetCache(virResctrlInfoPtr resctrl,
VIR_FREE(*controls);
goto cleanup;
}
int
virResctrlGetCacheInfo(unsigned int level,
unsigned long long size,
virCacheType scope,
virResctrlInfoPerCachePtr **controls,
size_t *ncontrols)
{
int ret = -1;
char *tmp = NULL;
char *path = NULL;
char *cbm_mask = NULL;
char *type_upper = NULL;
unsigned int bits = 0;
unsigned int min_cbm_bits = 0;
virResctrlInfoPerCachePtr control;
if (VIR_ALLOC(control) < 0)
goto cleanup;
if (scope != VIR_CACHE_TYPE_BOTH &&
virStringToUpper(&type_upper, virCacheTypeToString(scope)) < 0)
goto cleanup;
if (virFileReadValueUint(&control->max_allocation,
SYSFS_RESCTRL_PATH "/info/L%u%s/num_closids",
level,
type_upper ? type_upper : "") < 0)
goto cleanup;
if (virFileReadValueString(&cbm_mask,
SYSFS_RESCTRL_PATH
"/info/L%u%s/cbm_mask",
level,
type_upper ? type_upper: "") < 0)
goto cleanup;
if (virFileReadValueUint(&min_cbm_bits,
SYSFS_RESCTRL_PATH "/info/L%u%s/min_cbm_bits",
level,
type_upper ? type_upper : "") < 0)
goto cleanup;
virStringTrimOptionalNewline(cbm_mask);
for (tmp = cbm_mask; *tmp != '\0'; tmp++) {
if (c_isxdigit(*tmp))
bits += count_one_bits(virHexToBin(*tmp));
}
control->granularity = size / bits;
if (min_cbm_bits != 1)
control->min = min_cbm_bits * control->granularity;
control->scope = scope;
if (VIR_APPEND_ELEMENT(*controls, *ncontrols, control) < 0)
goto cleanup;
ret = 0;
cleanup:
VIR_FREE(path);
VIR_FREE(cbm_mask);
VIR_FREE(type_upper);
VIR_FREE(control);
return ret;
}
static inline int
virResctrlGetCacheDir(char **path,
const char *prefix,
unsigned int level,
virCacheType type)
{
return virAsprintf(path,
SYSFS_RESCTRL_PATH "%s/L%u%s",
prefix ? prefix : "",
level,
virResctrlTypeToString(type));
}
/*
* This function tests whether TYPE of cache control is supported or not.
*
* Returns 0 if not, 1 if yes and negative value on error.
*/
static int
virResctrlGetCacheSupport(unsigned int level, virCacheType type)
{
int ret = -1;
char *path = NULL;
if (virResctrlGetCacheDir(&path, "/info", level, type) < 0)
return -1;
ret = virFileExists(path);
VIR_FREE(path);
return ret;
}
/*
* This function tests which TYPE of cache control is supported
* Return values are:
* -1: error
* 0: none
* 1: CAT
* 2: CDP
*/
int
virResctrlGetCacheControlType(unsigned int level)
{
int rv = -1;
rv = virResctrlGetCacheSupport(level, VIR_CACHE_TYPE_BOTH);
if (rv < 0)
return -1;
if (rv)
return 1;
rv = virResctrlGetCacheSupport(level, VIR_CACHE_TYPE_CODE);
if (rv < 0)
return -1;
if (rv)
return 2;
return 0;
}

11
src/util/virresctrl.h
View File

@ -65,15 +65,4 @@ virResctrlInfoGetCache(virResctrlInfoPtr resctrl,
size_t *ncontrols,
virResctrlInfoPerCachePtr **controls);
/* To be removed */
int
virResctrlGetCacheInfo(unsigned int level,
unsigned long long size,
virCacheType scope,
virResctrlInfoPerCachePtr **controls,
size_t *ncontrols);
int
virResctrlGetCacheControlType(unsigned int level);
#endif /* __VIR_RESCTRL_H__ */