Message ID | 20231101233113.8059-4-dakr@redhat.com |
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State | New |
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([2a02:810d:4b3f:de9c:642:1aff:fe31:a19f]) by smtp.gmail.com with ESMTPSA id c2-20020a50d642000000b0053635409213sm1641016edj.34.2023.11.01.16.31.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Nov 2023 16:31:29 -0700 (PDT) From: Danilo Krummrich <dakr@redhat.com> To: airlied@gmail.com, daniel@ffwll.ch, matthew.brost@intel.com, thomas.hellstrom@linux.intel.com, sarah.walker@imgtec.com, donald.robson@imgtec.com, boris.brezillon@collabora.com, christian.koenig@amd.com, faith@gfxstrand.net Cc: dri-devel@lists.freedesktop.org, nouveau@lists.freedesktop.org, linux-kernel@vger.kernel.org, Danilo Krummrich <dakr@redhat.com> Subject: [PATCH drm-misc-next v8 03/12] drm/gpuvm: export drm_gpuvm_range_valid() Date: Thu, 2 Nov 2023 00:30:55 +0100 Message-ID: <20231101233113.8059-4-dakr@redhat.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20231101233113.8059-1-dakr@redhat.com> References: <20231101233113.8059-1-dakr@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.5 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H4,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: <linux-kernel.vger.kernel.org> X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (snail.vger.email [0.0.0.0]); Wed, 01 Nov 2023 16:32:26 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1781406419136681793 X-GMAIL-MSGID: 1781406419136681793 |
Series |
DRM GPUVM features
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Commit Message
Danilo Krummrich
Nov. 1, 2023, 11:30 p.m. UTC
Drivers may use this function to validate userspace requests in advance,
hence export it.
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
---
drivers/gpu/drm/drm_gpuvm.c | 14 +++++++++++++-
include/drm/drm_gpuvm.h | 1 +
2 files changed, 14 insertions(+), 1 deletion(-)
Comments
On Thu, 2023-11-02 at 00:30 +0100, Danilo Krummrich wrote: > Drivers may use this function to validate userspace requests in > advance, > hence export it. > > Signed-off-by: Danilo Krummrich <dakr@redhat.com> Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> > --- > drivers/gpu/drm/drm_gpuvm.c | 14 +++++++++++++- > include/drm/drm_gpuvm.h | 1 + > 2 files changed, 14 insertions(+), 1 deletion(-) > > diff --git a/drivers/gpu/drm/drm_gpuvm.c > b/drivers/gpu/drm/drm_gpuvm.c > index 445767f8fbc4..2669f9bbc377 100644 > --- a/drivers/gpu/drm/drm_gpuvm.c > +++ b/drivers/gpu/drm/drm_gpuvm.c > @@ -649,7 +649,18 @@ drm_gpuvm_in_kernel_node(struct drm_gpuvm > *gpuvm, u64 addr, u64 range) > return krange && addr < kend && kstart < end; > } > > -static bool > +/** > + * drm_gpuvm_range_valid() - checks whether the given range is valid > for the > + * given &drm_gpuvm > + * @gpuvm: the GPUVM to check the range for > + * @addr: the base address > + * @range: the range starting from the base address > + * > + * Checks whether the range is within the GPUVM's managed > boundaries. > + * > + * Returns: true for a valid range, false otherwise > + */ > +bool > drm_gpuvm_range_valid(struct drm_gpuvm *gpuvm, > u64 addr, u64 range) > { > @@ -657,6 +668,7 @@ drm_gpuvm_range_valid(struct drm_gpuvm *gpuvm, > drm_gpuvm_in_mm_range(gpuvm, addr, range) && > !drm_gpuvm_in_kernel_node(gpuvm, addr, range); > } > +EXPORT_SYMBOL_GPL(drm_gpuvm_range_valid); > > /** > * drm_gpuvm_init() - initialize a &drm_gpuvm > diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h > index 687fd5893624..13eac6f70061 100644 > --- a/include/drm/drm_gpuvm.h > +++ b/include/drm/drm_gpuvm.h > @@ -253,6 +253,7 @@ void drm_gpuvm_init(struct drm_gpuvm *gpuvm, > const char *name, > const struct drm_gpuvm_ops *ops); > void drm_gpuvm_destroy(struct drm_gpuvm *gpuvm); > > +bool drm_gpuvm_range_valid(struct drm_gpuvm *gpuvm, u64 addr, u64 > range); > bool drm_gpuvm_interval_empty(struct drm_gpuvm *gpuvm, u64 addr, u64 > range); > > static inline struct drm_gpuva *
diff --git a/drivers/gpu/drm/drm_gpuvm.c b/drivers/gpu/drm/drm_gpuvm.c index 445767f8fbc4..2669f9bbc377 100644 --- a/drivers/gpu/drm/drm_gpuvm.c +++ b/drivers/gpu/drm/drm_gpuvm.c @@ -649,7 +649,18 @@ drm_gpuvm_in_kernel_node(struct drm_gpuvm *gpuvm, u64 addr, u64 range) return krange && addr < kend && kstart < end; } -static bool +/** + * drm_gpuvm_range_valid() - checks whether the given range is valid for the + * given &drm_gpuvm + * @gpuvm: the GPUVM to check the range for + * @addr: the base address + * @range: the range starting from the base address + * + * Checks whether the range is within the GPUVM's managed boundaries. + * + * Returns: true for a valid range, false otherwise + */ +bool drm_gpuvm_range_valid(struct drm_gpuvm *gpuvm, u64 addr, u64 range) { @@ -657,6 +668,7 @@ drm_gpuvm_range_valid(struct drm_gpuvm *gpuvm, drm_gpuvm_in_mm_range(gpuvm, addr, range) && !drm_gpuvm_in_kernel_node(gpuvm, addr, range); } +EXPORT_SYMBOL_GPL(drm_gpuvm_range_valid); /** * drm_gpuvm_init() - initialize a &drm_gpuvm diff --git a/include/drm/drm_gpuvm.h b/include/drm/drm_gpuvm.h index 687fd5893624..13eac6f70061 100644 --- a/include/drm/drm_gpuvm.h +++ b/include/drm/drm_gpuvm.h @@ -253,6 +253,7 @@ void drm_gpuvm_init(struct drm_gpuvm *gpuvm, const char *name, const struct drm_gpuvm_ops *ops); void drm_gpuvm_destroy(struct drm_gpuvm *gpuvm); +bool drm_gpuvm_range_valid(struct drm_gpuvm *gpuvm, u64 addr, u64 range); bool drm_gpuvm_interval_empty(struct drm_gpuvm *gpuvm, u64 addr, u64 range); static inline struct drm_gpuva *