Marek Marczykowski-Górecki wrote:
> Vfb entries in domain config are used only by PV drivers. Qemu
> parameters are build based on b_info struct. So fill it with the same
> data as vfb entries (actually the first one).
> This will additionally allow graphic-less domain, when no <graphics/>
> entries are present in domain XML (previously VNC was always enabled).
>
> Signed-off-by: Marek Marczykowski-Górecki <[email protected]>
> ---
> src/libxl/libxl_conf.c | 114
> +++++++++++++++++++++++++++++++++++--------------
> 1 file changed, 82 insertions(+), 32 deletions(-)
>
> diff --git a/src/libxl/libxl_conf.c b/src/libxl/libxl_conf.c
> index 623956e..e5d8dc5 100644
> --- a/src/libxl/libxl_conf.c
> +++ b/src/libxl/libxl_conf.c
> @@ -332,7 +332,56 @@ error:
> }
>
> static int
> -libxlMakeDomBuildInfo(virDomainDefPtr def, libxl_domain_config *d_config)
> +libxlMakeVNCInfo(libxlDriverPrivatePtr driver,
> + virDomainGraphicsDefPtr l_vfb,
> + libxl_vnc_info *x_vnc)
>
For HVM guests, I noticed this function is called twice, first from
libxlMakeDomBuildInfo, then again via libxlMakeVfbList.
> +{
> + unsigned short port;
> + const char *listenAddr;
> +
> + libxl_defbool_set(&x_vnc->enable, 1);
> + /* driver handles selection of free port */
> + libxl_defbool_set(&x_vnc->findunused, 0);
> + if (l_vfb->data.vnc.autoport) {
> +
> + if (virPortAllocatorAcquire(driver->reservedVNCPorts, &port) < 0)
>
Another port gets allocated on the second invocation
> + return -1;
> + if (port == 0) {
> + virReportError(VIR_ERR_INTERNAL_ERROR,
> + "%s", _("Unable to find an unused VNC port"));
> + return -1;
> + }
> + l_vfb->data.vnc.port = port;
>
which updates libvirt's port info with incorrect info, since qemu gets
launched with the port info in the b_info struct.
> + }
> + x_vnc->display = l_vfb->data.vnc.port - LIBXL_VNC_PORT_MIN;
> +
> + listenAddr = virDomainGraphicsListenGetAddress(l_vfb, 0);
> + if (listenAddr) {
> + /* libxl_device_vfb_init() does strdup("127.0.0.1") */
>
You'll need to change the strdup to VIR_STRDUP, even in the comment, to
satisfy make syntax-check. Or tweak the syntax-check rule :).
> + VIR_FREE(x_vnc->listen);
> + if (VIR_STRDUP(x_vnc->listen, listenAddr) < 0) {
> + return -1;
> + }
> + }
> + return 0;
> +}
> +
> +static int
> +libxlMakeSDLInfo(virDomainGraphicsDefPtr l_vfb,
> + libxl_sdl_info *x_sdl)
> +{
> + libxl_defbool_set(&x_sdl->enable, 1);
> + if (VIR_STRDUP(x_sdl->display, l_vfb->data.sdl.display) < 0)
> + return -1;
> + if (VIR_STRDUP(x_sdl->xauthority, l_vfb->data.sdl.xauth) < 0)
> + return -1;
> + return 0;
> +}
> +
> +static int
> +libxlMakeDomBuildInfo(libxlDriverPrivatePtr driver,
> + virDomainDefPtr def,
> + libxl_domain_config *d_config)
> {
> libxl_domain_build_info *b_info = &d_config->b_info;
> int hvm = STREQ(def->os.type, "hvm");
> @@ -404,6 +453,34 @@ libxlMakeDomBuildInfo(virDomainDefPtr def,
> libxl_domain_config *d_config)
> if (VIR_STRDUP(b_info->u.hvm.boot, bootorder) < 0)
> goto error;
>
> + /* Disable VNC and SDL until explicitly enabled */
> + libxl_defbool_set(&b_info->u.hvm.vnc.enable, 0);
> + libxl_defbool_set(&b_info->u.hvm.sdl.enable, 0);
> +
> + for (i = 0; i < def->ngraphics; i++) {
> + switch (def->graphics[i]->type) {
> + case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
> + if (libxl_defbool_val(b_info->u.hvm.vnc.enable))
> + continue;
> + if (libxlMakeVNCInfo(driver, def->graphics[i],
> + &b_info->u.hvm.vnc) < 0)
> + goto error;
> + if (def->graphics[i]->data.vnc.keymap &&
> + (b_info->u.hvm.keymap =
> + strdup(def->graphics[i]->data.vnc.keymap)) ==
> NULL) {
> + virReportOOMError();
>
Needs to be converted to VIR_STRDUP.
Regards,
Jim
> + goto error;
> + }
> + break;
> + case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
> + if (libxl_defbool_val(b_info->u.hvm.sdl.enable))
> + continue;
> + if (libxlMakeSDLInfo(def->graphics[i],
> &b_info->u.hvm.sdl) < 0)
> + goto error;
> + break;
> + }
> + }
> +
> /*
> * The following comment and calculation were taken directly from
> * libxenlight's internal function
> libxl_get_required_shadow_memory():
> @@ -679,41 +756,14 @@ libxlMakeVfb(libxlDriverPrivatePtr driver,
> virDomainGraphicsDefPtr l_vfb,
> libxl_device_vfb *x_vfb)
> {
> - unsigned short port;
> - const char *listenAddr;
> -
> switch (l_vfb->type) {
> case VIR_DOMAIN_GRAPHICS_TYPE_SDL:
> - libxl_defbool_set(&x_vfb->sdl.enable, 1);
> - if (VIR_STRDUP(x_vfb->sdl.display, l_vfb->data.sdl.display) < 0)
> - return -1;
> - if (VIR_STRDUP(x_vfb->sdl.xauthority, l_vfb->data.sdl.xauth) < 0)
> + if (libxlMakeSDLInfo(l_vfb, &x_vfb->sdl) < 0)
> return -1;
> break;
> case VIR_DOMAIN_GRAPHICS_TYPE_VNC:
> - libxl_defbool_set(&x_vfb->vnc.enable, 1);
> - /* driver handles selection of free port */
> - libxl_defbool_set(&x_vfb->vnc.findunused, 0);
> - if (l_vfb->data.vnc.autoport) {
> -
> - if (virPortAllocatorAcquire(driver->reservedVNCPorts, &port)
> < 0)
> - return -1;
> - if (port == 0) {
> - virReportError(VIR_ERR_INTERNAL_ERROR,
> - "%s", _("Unable to find an unused VNC
> port"));
> - return -1;
> - }
> - l_vfb->data.vnc.port = port;
> - }
> - x_vfb->vnc.display = l_vfb->data.vnc.port - LIBXL_VNC_PORT_MIN;
> -
> - listenAddr = virDomainGraphicsListenGetAddress(l_vfb, 0);
> - if (listenAddr) {
> - /* libxl_device_vfb_init() does VIR_STRDUP("127.0.0.1") */
> - VIR_FREE(x_vfb->vnc.listen);
> - if (VIR_STRDUP(x_vfb->vnc.listen, listenAddr) < 0)
> - return -1;
> - }
> + if (libxlMakeVNCInfo(driver, l_vfb, &x_vfb->vnc) < 0)
> + return -1;
> if (VIR_STRDUP(x_vfb->keymap, l_vfb->data.vnc.keymap) < 0)
> return -1;
> break;
> @@ -812,7 +862,7 @@ libxlBuildDomainConfig(libxlDriverPrivatePtr driver,
> if (libxlMakeDomCreateInfo(driver, def, &d_config->c_info) < 0)
> return -1;
>
> - if (libxlMakeDomBuildInfo(def, d_config) < 0) {
> + if (libxlMakeDomBuildInfo(driver, def, d_config) < 0) {
> return -1;
> }
>
>
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