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authorLinus Torvalds <torvalds@linux-foundation.org>2018-06-12 22:11:26 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2018-06-12 22:11:26 +0200
commit467590e055f5c714fb457803250415879d0da9e5 (patch)
tree7533a26dcd19023d5eeac54f62432097c85f4ef3 /samples/vfio-mdev/mdpy-defs.h
parentMerge tag 'mips_4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/l... (diff)
parentsamples: mbochs: add DMA_SHARED_BUFFER dependency (diff)
downloadlinux-467590e055f5c714fb457803250415879d0da9e5.tar.xz
linux-467590e055f5c714fb457803250415879d0da9e5.zip
Merge tag 'vfio-v4.18-rc1' of git://github.com/awilliam/linux-vfio
Pull VFIO updates from Alex Williamson: - Bind type1 task tracking to group_leader to facilitate vCPU hotplug in QEMU (Alex Williamson) - Sample mdev display drivers, including region-based host and guest Linux drivers and bochs compatible dmabuf device (Gerd Hoffmann) - Fix vfio-platform reset module leak (Geert Uytterhoeven) - vfio-platform error message consistency (Geert Uytterhoeven) - Global checking for mdev uuid collisions rather than per parent device (Alex Williamson) - Use match_string() helper (Yisheng Xie) - vfio-platform PM domain fixes (Geert Uytterhoeven) - Fix sample mbochs driver build dependency (Arnd Bergmann) * tag 'vfio-v4.18-rc1' of git://github.com/awilliam/linux-vfio: samples: mbochs: add DMA_SHARED_BUFFER dependency vfio: platform: Fix using devices in PM Domains vfio: use match_string() helper vfio/mdev: Re-order sysfs attribute creation vfio/mdev: Check globally for duplicate devices vfio: platform: Make printed error messages more consistent vfio: platform: Fix reset module leak in error path sample: vfio bochs vbe display (host device for bochs-drm) sample: vfio mdev display - guest driver sample: vfio mdev display - host device vfio/type1: Fix task tracking for QEMU vCPU hotplug
Diffstat (limited to 'samples/vfio-mdev/mdpy-defs.h')
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diff --git a/samples/vfio-mdev/mdpy-defs.h b/samples/vfio-mdev/mdpy-defs.h
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+/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
+/*
+ * Simple pci display device.
+ *
+ * Framebuffer memory is pci bar 0.
+ * Configuration (read-only) is in pci config space.
+ * Format field uses drm fourcc codes.
+ * ATM only DRM_FORMAT_XRGB8888 is supported.
+ */
+
+/* pci ids */
+#define MDPY_PCI_VENDOR_ID 0x1b36 /* redhat */
+#define MDPY_PCI_DEVICE_ID 0x000f
+#define MDPY_PCI_SUBVENDOR_ID PCI_SUBVENDOR_ID_REDHAT_QUMRANET
+#define MDPY_PCI_SUBDEVICE_ID PCI_SUBDEVICE_ID_QEMU
+
+/* pci cfg space offsets for fb config (dword) */
+#define MDPY_VENDORCAP_OFFSET 0x40
+#define MDPY_VENDORCAP_SIZE 0x10
+#define MDPY_FORMAT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x04)
+#define MDPY_WIDTH_OFFSET (MDPY_VENDORCAP_OFFSET + 0x08)
+#define MDPY_HEIGHT_OFFSET (MDPY_VENDORCAP_OFFSET + 0x0c)