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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: ISdUsgVn+G+XHd0kq3Vb/V0UCUU79VxRjTuOhyfLrEUqcoGM9KqzMb/P8Pe/JWG9F+G+H6xAUNZz0qKP6iBYpPemec/gZrcQ4CHZdCvv3EyTyiTsBd42hVbxauFsVANOY7cnVBmUEHDYYp3hC57LOQWaPclQJOk9BOe7PyUPegxDhutyh1vXuBsLEZRIjG5eg2cPOz0RnSllXOhFP6gNQJN1tMEtIKRZUHWz5X4R/O5Nvhw+8K6IUaib79Axj4zwSk8SIWe3H2vUFLLMxa2i5f/2oJ+HX1xQT139SejtYMpxj9s+7KH6jxVodysIsrHT4OQOreZsWEiNsHQopeiwGl1lzaPjcF+pliCfV6vzQ4cKnl6dzpIRdHhCvXfnRc8wjZZ/bZRDbdO2Ysr3P2j7U5ofmW3ISmHTyGMAFmG1851aY2waVUYwERz9i2bHWDP1 X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 06 Nov 2026 00:14:15.1733 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: e788d155-7dad-41bd-07b1-08df3b9ae45a X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=43083d15-7273-40c1-b7db-39efd9ccc17a;Ip=[216.228.117.160];Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SJ5PEPF00000206.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: LV8PR12MB9450 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