From 43365502c4573af15a4e0e686052e3bd8ccfe69a Mon Sep 17 00:00:00 2001
From: Karol Herbst <kherbst@redhat.com>
Date: Thu, 1 Aug 2024 00:01:46 +0200
Subject: [PATCH] nouveau: implement driver_uuid and device_uuid

Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/11592
Cc: mesa-stable
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30455>
---
 src/gallium/drivers/nouveau/meson.build      |  2 +-
 src/gallium/drivers/nouveau/nouveau_screen.c | 24 ++++++++++++++++++++
 2 files changed, 25 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/nouveau/meson.build b/src/gallium/drivers/nouveau/meson.build
index d3df4b701a1..5537fe5f1c6 100644
--- a/src/gallium/drivers/nouveau/meson.build
+++ b/src/gallium/drivers/nouveau/meson.build
@@ -163,7 +163,7 @@ files_libnouveau = files(
 
 libnouveau = static_library(
   'nouveau',
-  files_libnouveau,
+  [files_libnouveau, sha1_h],
   include_directories : [
     inc_src, inc_include, inc_gallium, inc_gallium_aux, inc_mapi, inc_mesa,
   ],
diff --git a/src/gallium/drivers/nouveau/nouveau_screen.c b/src/gallium/drivers/nouveau/nouveau_screen.c
index 33ac4d92374..bd074950289 100644
--- a/src/gallium/drivers/nouveau/nouveau_screen.c
+++ b/src/gallium/drivers/nouveau/nouveau_screen.c
@@ -1,3 +1,5 @@
+#include "git_sha1.h"
+
 #include "pipe/p_defines.h"
 #include "pipe/p_screen.h"
 #include "pipe/p_state.h"
@@ -281,6 +283,26 @@ nouveau_screen_get_fd(struct pipe_screen *pscreen)
    return screen->drm->fd;
 }
 
+static void
+nouveau_driver_uuid(struct pipe_screen *screen, char *uuid)
+{
+   const char* driver = PACKAGE_VERSION MESA_GIT_SHA1;
+   struct mesa_sha1 sha1_ctx;
+   uint8_t sha1[20];
+
+   _mesa_sha1_init(&sha1_ctx);
+   _mesa_sha1_update(&sha1_ctx, driver, strlen(driver));
+   _mesa_sha1_final(&sha1_ctx, sha1);
+   memcpy(uuid, sha1, PIPE_UUID_SIZE);
+}
+
+static void
+nouveau_device_uuid(struct pipe_screen *pscreen, char *uuid)
+{
+   const struct nouveau_screen *screen = nouveau_screen(pscreen);
+   nv_device_uuid(&screen->device->info, (void *)uuid, PIPE_UUID_SIZE, false);
+}
+
 int
 nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
 {
@@ -421,6 +443,8 @@ nouveau_screen_init(struct nouveau_screen *screen, struct nouveau_device *dev)
    pscreen->fence_finish = nouveau_screen_fence_finish;
 
    pscreen->query_memory_info = nouveau_query_memory_info;
+   pscreen->get_driver_uuid = nouveau_driver_uuid;
+   pscreen->get_device_uuid = nouveau_device_uuid;
 
    nouveau_disk_cache_create(screen);