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Violators will be prosecuted for from ; Wed, 9 Jan 2019 12:41:28 -0000 From: Pierre Morel Date: Wed, 9 Jan 2019 13:41:18 +0100 In-Reply-To: <1547037680-21458-1-git-send-email-pmorel@linux.ibm.com> References: <1547037680-21458-1-git-send-email-pmorel@linux.ibm.com> Message-Id: <1547037680-21458-2-git-send-email-pmorel@linux.ibm.com> Subject: [Qemu-devel] [PATCH v1 1/3] vfio: Linux header placeholder List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: walling@linux.ibm.com Cc: borntraeger@de.ibm.com, cohuck@redhat.com, rth@twiddle.net, david@redhat.com, qemu-s390x@nongnu.org, qemu-devel@nongnu.org, pasic@linux.ibm.com, thuth@redhat.com This is a place holder for VFIO.h as changed by the Linux patch associated with this QEMU series. Signed-off-by: Pierre Morel --- linux-headers/linux/vfio.h | 65 +++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 62 insertions(+), 3 deletions(-) diff --git a/linux-headers/linux/vfio.h b/linux-headers/linux/vfio.h index ceb6453..54c4fcb 100644 --- a/linux-headers/linux/vfio.h +++ b/linux-headers/linux/vfio.h @@ -9,8 +9,8 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ -#ifndef VFIO_H -#define VFIO_H +#ifndef _UAPIVFIO_H +#define _UAPIVFIO_H #include #include @@ -303,6 +303,56 @@ struct vfio_region_info_cap_type { #define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG (2) #define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG (3) +#define VFIO_REGION_TYPE_GFX (1) +#define VFIO_REGION_SUBTYPE_GFX_EDID (1) + +/** + * struct vfio_region_gfx_edid - EDID region layout. + * + * Set display link state and EDID blob. + * + * The EDID blob has monitor information such as brand, name, serial + * number, physical size, supported video modes and more. + * + * This special region allows userspace (typically qemu) set a virtual + * EDID for the virtual monitor, which allows a flexible display + * configuration. + * + * For the edid blob spec look here: + * https://en.wikipedia.org/wiki/Extended_Display_Identification_Data + * + * On linux systems you can find the EDID blob in sysfs: + * /sys/class/drm/${card}/${connector}/edid + * + * You can use the edid-decode ulility (comes with xorg-x11-utils) to + * decode the EDID blob. + * + * @edid_offset: location of the edid blob, relative to the + * start of the region (readonly). + * @edid_max_size: max size of the edid blob (readonly). + * @edid_size: actual edid size (read/write). + * @link_state: display link state (read/write). + * VFIO_DEVICE_GFX_LINK_STATE_UP: Monitor is turned on. + * VFIO_DEVICE_GFX_LINK_STATE_DOWN: Monitor is turned off. + * @max_xres: max display width (0 == no limitation, readonly). + * @max_yres: max display height (0 == no limitation, readonly). + * + * EDID update protocol: + * (1) set link-state to down. + * (2) update edid blob and size. + * (3) set link-state to up. + */ +struct vfio_region_gfx_edid { + __u32 edid_offset; + __u32 edid_max_size; + __u32 edid_size; + __u32 max_xres; + __u32 max_yres; + __u32 link_state; +#define VFIO_DEVICE_GFX_LINK_STATE_UP 1 +#define VFIO_DEVICE_GFX_LINK_STATE_DOWN 2 +}; + /* * The MSIX mappable capability informs that MSIX data of a BAR can be mmapped * which allows direct access to non-MSIX registers which happened to be within @@ -619,6 +669,15 @@ struct vfio_iommu_type1_info { __u32 flags; #define VFIO_IOMMU_INFO_PGSIZES (1 << 0) /* supported page sizes info */ __u64 iova_pgsizes; /* Bitmap of supported page sizes */ +#define VFIO_IOMMU_INFO_CAPABILITIES (1 << 1) /* support capabilities info */ + __u64 cap_offset; /* Offset within info struct of first cap */ +}; + +#define VFIO_IOMMU_INFO_CAP_DMA 1 +struct vfio_iommu_cap_dma { + struct vfio_info_cap_header header; + __u64 dma_start; + __u64 dma_end; }; #define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12) @@ -818,4 +877,4 @@ struct vfio_iommu_spapr_tce_remove { /* ***************************************************************** */ -#endif /* VFIO_H */ +#endif /* _UAPIVFIO_H */ -- 2.7.4