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SUSE:SLE-12-SP2:GA
xen.7673
add-qxl-support.patch
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File add-qxl-support.patch of Package xen.7673
Usage: vga="qxl" Qxl vga support many resolutions that not supported by stdvga, mainly the 16:9 ones and other high up to 2560x1600. With QXL you can get improved performance and smooth video also with high resolutions and high quality. Require their drivers installed in the domU and spice used otherwise act as a simple stdvga. Signed-off-by: Fabio Fantoni <fabio.fantoni@xxxxxxx> Signed-off-by: Zhou Peng <zpengxen@xxxxxxxxx> Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx> Acked-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx> --- Changes in v16: - refresh - improved commit description Changes in v15: - refresh - small code improvements in libxl_dm.c Changes in v14: - refresh - update qemu parameters (from -vga to -device) NOTES: Works correctly with windows domUs, tested on windows 7 64 bit with qxl driver from spice guest tools 0.74. I tested some resolution not supported by stdvga (1366x768, 1600x900 and 1920x1080) with 32 bit color and all works good equal to kvm. For now not works on linux domUs when xorg have 100% cpu and black screen with qxl driver installed. Seems needed other changes/fixes on xen and/or xorg/qxl driver side before have it full working with linux domUs. --- docs/man/xl.cfg.pod.5 | 10 +++++++++- tools/libxl/libxl_create.c | 13 +++++++++++++ tools/libxl/libxl_dm.c | 8 ++++++++ tools/libxl/libxl_types.idl | 1 + tools/libxl/xl_cmdimpl.c | 2 ++ 5 files changed, 33 insertions(+), 1 deletion(-) Index: xen-4.4.4-testing/docs/man/xl.cfg.pod.5 =================================================================== --- xen-4.4.4-testing.orig/docs/man/xl.cfg.pod.5 +++ xen-4.4.4-testing/docs/man/xl.cfg.pod.5 @@ -1086,6 +1086,9 @@ qemu-xen-traditional device-model, the a which is sufficient for 1024x768 at 32 bpp. For the upstream qemu-xen device-model, the default and minimum is 8 MB. +For B<qxl> vga, the default is both default and minimal 128MB. +If B<videoram> is set less than 128MB, an error will be triggered. + =item B<stdvga=BOOLEAN> Select a standard VGA card with VBE (VESA BIOS Extensions) as the @@ -1097,9 +1100,14 @@ This option is deprecated, use vga="stdv =item B<vga="STRING"> -Selects the emulated video card (none|stdvga|cirrus). +Selects the emulated video card (none|stdvga|cirrus|qxl). The default is cirrus. +In general, QXL should work with the Spice remote display protocol +for acceleration, and QXL driver is necessary in guest in this case. +QXL can also work with the VNC protocol, but it will be like a standard +VGA without acceleration. + =item B<vnc=BOOLEAN> Allow access to the display via the VNC protocol. This enables the Index: xen-4.4.4-testing/tools/libxl/libxl_create.c =================================================================== --- xen-4.4.4-testing.orig/tools/libxl/libxl_create.c +++ xen-4.4.4-testing/tools/libxl/libxl_create.c @@ -230,6 +230,10 @@ int libxl__domain_build_info_setdefault( if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT) b_info->video_memkb = 0; break; + case LIBXL_VGA_INTERFACE_TYPE_QXL: + LOG(ERROR,"qemu upstream required for qxl vga"); + return ERROR_INVAL; + break; case LIBXL_VGA_INTERFACE_TYPE_STD: if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT) b_info->video_memkb = 8 * 1024; @@ -254,6 +258,15 @@ int libxl__domain_build_info_setdefault( if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT) b_info->video_memkb = 0; break; + case LIBXL_VGA_INTERFACE_TYPE_QXL: + if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT) { + b_info->video_memkb = (128 * 1024); + } else if (b_info->video_memkb < (128 * 1024)) { + LOG(ERROR, + "128 Mib videoram is the minimum for qxl default"); + return ERROR_INVAL; + } + break; case LIBXL_VGA_INTERFACE_TYPE_STD: if (b_info->video_memkb == LIBXL_MEMKB_DEFAULT) b_info->video_memkb = 16 * 1024; Index: xen-4.4.4-testing/tools/libxl/libxl_dm.c =================================================================== --- xen-4.4.4-testing.orig/tools/libxl/libxl_dm.c +++ xen-4.4.4-testing/tools/libxl/libxl_dm.c @@ -235,6 +235,8 @@ static char ** libxl__build_device_model case LIBXL_VGA_INTERFACE_TYPE_NONE: flexarray_append_pair(dm_args, "-vga", "none"); break; + case LIBXL_VGA_INTERFACE_TYPE_QXL: + break; } if (b_info->u.hvm.boot) { @@ -551,6 +553,12 @@ static char ** libxl__build_device_model break; case LIBXL_VGA_INTERFACE_TYPE_NONE: break; + case LIBXL_VGA_INTERFACE_TYPE_QXL: + /* QXL have 2 ram regions, ram and vram */ + flexarray_append_pair(dm_args, "-device", + GCSPRINTF("qxl-vga,vram_size_mb=%"PRIu64",ram_size_mb=%"PRIu64, + (b_info->video_memkb/2/1024), (b_info->video_memkb/2/1024) ) ); + break; } if (b_info->u.hvm.boot) { Index: xen-4.4.4-testing/tools/libxl/libxl_types.idl =================================================================== --- xen-4.4.4-testing.orig/tools/libxl/libxl_types.idl +++ xen-4.4.4-testing/tools/libxl/libxl_types.idl @@ -154,6 +154,7 @@ libxl_vga_interface_type = Enumeration(" (1, "CIRRUS"), (2, "STD"), (3, "NONE"), + (4, "QXL"), ], init_val = 1) libxl_vendor_device = Enumeration("vendor_device", [ Index: xen-4.4.4-testing/tools/libxl/xl_cmdimpl.c =================================================================== --- xen-4.4.4-testing.orig/tools/libxl/xl_cmdimpl.c +++ xen-4.4.4-testing/tools/libxl/xl_cmdimpl.c @@ -1678,6 +1678,8 @@ skip_vfb: b_info->u.hvm.vga.kind = LIBXL_VGA_INTERFACE_TYPE_CIRRUS; } else if (!strcmp(buf, "none")) { b_info->u.hvm.vga.kind = LIBXL_VGA_INTERFACE_TYPE_NONE; + } else if (!strcmp(buf, "qxl")) { + b_info->u.hvm.vga.kind = LIBXL_VGA_INTERFACE_TYPE_QXL; } else { fprintf(stderr, "Unknown vga \"%s\" specified\n", buf); exit(1);
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