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X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-10.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 On Thu, Oct 15, 2026 at 08:08:46PM +0000, Mostafa Saleh wrote: > Add the command queue accessors. The hypervisor's own commands, such as > TLB invalidations, go through smmu_send_cmd(), which queues the command > followed by a CMD_SYNC and waits for completion. Filtered host commands > are copied into the shadow queue with smmu_add_cmd_raw(). > > Polling is bounded by a 1 ms timeout measured with the architected > counter, and sleeps in WFE when the SMMU supports SEV. > > Split queue_space() out of queue_has_space(), as the emulation will > check the space in the host's queue. > > Signed-off-by: Mostafa Saleh Reviewed-by: Nicolin Chen