[libvirt] [RFC v3 1/8] Resctrl: Add some utils functions

[Marcelo Tosatti]

On Thu, Feb 09, 2017 at 03:43:02PM +0800, Eli Qiao wrote:
> This patch adds some utils struct and functions to expose resctrl
> information.
> 
> virResCtrlAvailable: If resctrl interface exist on host
> virResCtrlGet: get specify type resource contral information
> virResCtrlInit: initialize resctrl struct from the host's sys fs.
> resctrlall[]: an array to maintain resource control information.
> 
> Signed-off-by: Eli Qiao <liyong.qiao at intel.com>
> ---
>  include/libvirt/virterror.h |   1 +
>  po/POTFILES.in              |   1 +
>  src/Makefile.am             |   1 +
>  src/libvirt_private.syms    |   4 +
>  src/util/virerror.c         |   1 +
>  src/util/virresctrl.c       | 343 ++++++++++++++++++++++++++++++++++++++++++++
>  src/util/virresctrl.h       |  80 +++++++++++
>  7 files changed, 431 insertions(+)
>  create mode 100644 src/util/virresctrl.c
>  create mode 100644 src/util/virresctrl.h
> 
> diff --git a/include/libvirt/virterror.h b/include/libvirt/virterror.h
> index 2efee8f..3dd2d08 100644
> --- a/include/libvirt/virterror.h
> +++ b/include/libvirt/virterror.h
> @@ -132,6 +132,7 @@ typedef enum {
>  
>      VIR_FROM_PERF = 65,         /* Error from perf */
>      VIR_FROM_LIBSSH = 66,       /* Error from libssh connection transport */
> +    VIR_FROM_RESCTRL = 67,      /* Error from resource control */
>  
>  # ifdef VIR_ENUM_SENTINELS
>      VIR_ERR_DOMAIN_LAST
> diff --git a/po/POTFILES.in b/po/POTFILES.in
> index 365ea66..f7fda98 100644
> --- a/po/POTFILES.in
> +++ b/po/POTFILES.in
> @@ -240,6 +240,7 @@ src/util/virportallocator.c
>  src/util/virprocess.c
>  src/util/virqemu.c
>  src/util/virrandom.c
> +src/util/virresctrl.c
>  src/util/virrotatingfile.c
>  src/util/virscsi.c
>  src/util/virscsivhost.c
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 2f32d41..b626f29 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -162,6 +162,7 @@ UTIL_SOURCES =							\
>  		util/virprocess.c util/virprocess.h		\
>  		util/virqemu.c util/virqemu.h			\
>  		util/virrandom.h util/virrandom.c		\
> +		util/virresctrl.h util/virresctrl.c		\
>  		util/virrotatingfile.h util/virrotatingfile.c   \
>  		util/virscsi.c util/virscsi.h			\
>  		util/virscsivhost.c util/virscsivhost.h		\
> diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms
> index 8e994c7..743e5ac 100644
> --- a/src/libvirt_private.syms
> +++ b/src/libvirt_private.syms
> @@ -2313,6 +2313,10 @@ virRandomGenerateWWN;
>  virRandomInt;
>  
>  
> +# util/virresctrl.h
> +virResCtrlAvailable;
> +virResCtrlInit;
> +
>  # util/virrotatingfile.h
>  virRotatingFileReaderConsume;
>  virRotatingFileReaderFree;
> diff --git a/src/util/virerror.c b/src/util/virerror.c
> index ef17fb5..93dfd4f 100644
> --- a/src/util/virerror.c
> +++ b/src/util/virerror.c
> @@ -139,6 +139,7 @@ VIR_ENUM_IMPL(virErrorDomain, VIR_ERR_DOMAIN_LAST,
>  
>                "Perf", /* 65 */
>                "Libssh transport layer",
> +              "Rescouce Control",

Typo: Resource Control