On Fri, Sep 13, 2019 at 04:50:51PM +0400, marcandre.lur...@redhat.com wrote:
From: Marc-André Lureau <marcandre.lur...@redhat.com>Similar to the qemu_tpm.c, add a unit with a few functions to start/stop and setup the cgroup of the external vhost-user-gpu process. See function documentation. The vhost-user connection fd is set on qemuDomainVideoPrivate struct. Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> --- src/qemu/Makefile.inc.am | 2 + src/qemu/qemu_domain.c | 5 +- src/qemu/qemu_domain.h | 2 +- src/qemu/qemu_vhost_user_gpu.c | 276 +++++++++++++++++++++++++++++++++ src/qemu/qemu_vhost_user_gpu.h | 49 ++++++ 5 files changed, 332 insertions(+), 2 deletions(-) create mode 100644 src/qemu/qemu_vhost_user_gpu.c create mode 100644 src/qemu/qemu_vhost_user_gpu.h +/* + * qemuExtVhostUserGPUSetupCgroup: + * + * @driver: QEMU driver + * @def: domain definition + * @video: the video device + * @cgroupe: a cgroup + * + * Add the vhost-user-gpu PID to the given cgroup. + */ +int +qemuExtVhostUserGPUSetupCgroup(virQEMUDriverPtr driver, + virDomainDefPtr def, + virDomainVideoDefPtr video, + virCgroupPtr cgroup) +{ + VIR_AUTOUNREF(virQEMUDriverConfigPtr) cfg = virQEMUDriverGetConfig(driver); + VIR_AUTOFREE(char *) pidfile = NULL;
Clang fails to compile this:
qemu/qemu_vhost_user_gpu.c:256:26: error: unused variable 'pidfile'
[-Werror,-Wunused-variable]
VIR_AUTOFREE(char *) pidfile = NULL;
^
1 error generated.
+ VIR_AUTOFREE(char *) shortname = NULL; + int rc; + pid_t pid; +
Jano
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