From e90711946b53590371ecce32e8fcc381a99d6333 Mon Sep 17 00:00:00 2001 From: David Yat Sin Date: Tue, 25 Feb 2025 18:08:02 -0500 Subject: drm/amdkfd: clamp queue size to minimum If queue size is less than minimum, clamp it to minimum to prevent underflow when writing queue mqd. Signed-off-by: David Yat Sin Reviewed-by: Jay Cornwall Reviewed-by: Harish Kasiviswanathan Signed-off-by: Alex Deucher --- include/uapi/linux/kfd_ioctl.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index fa9f9846b88e..b0160b09987c 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -62,6 +62,8 @@ struct kfd_ioctl_get_version_args { #define KFD_MAX_QUEUE_PERCENTAGE 100 #define KFD_MAX_QUEUE_PRIORITY 15 +#define KFD_MIN_QUEUE_RING_SIZE 1024 + struct kfd_ioctl_create_queue_args { __u64 ring_base_address; /* to KFD */ __u64 write_pointer_address; /* from KFD */ -- cgit From ceb7114c961bd8d8605dfff8e18d1a39d99cdd30 Mon Sep 17 00:00:00 2001 From: Jonathan Kim Date: Wed, 26 Feb 2025 14:22:02 -0500 Subject: drm/amdkfd: flag per-sdma queue reset supported to user space Similar to compute queue reset, flag SDMA queue reset capabilities to user space for safe testing. Signed-off-by: Jonathan Kim Reviewed-by: Harish Kasiviswanathan Signed-off-by: Alex Deucher --- include/uapi/linux/kfd_sysfs.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/kfd_sysfs.h b/include/uapi/linux/kfd_sysfs.h index 859b8e91d4d3..1125fe47959f 100644 --- a/include/uapi/linux/kfd_sysfs.h +++ b/include/uapi/linux/kfd_sysfs.h @@ -63,6 +63,9 @@ #define HSA_CAP_PER_QUEUE_RESET_SUPPORTED 0x80000000 #define HSA_CAP_RESERVED 0x000f8000 +#define HSA_CAP2_PER_SDMA_QUEUE_RESET_SUPPORTED 0x00000001 +#define HSA_CAP2_RESERVED 0xfffffffe + /* debug_prop bits in node properties */ #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_MASK 0x0000000f #define HSA_DBG_WATCH_ADDR_MASK_LO_BIT_SHIFT 0 -- cgit From cf6d949a409e09539477d32dbe7c954e4852e744 Mon Sep 17 00:00:00 2001 From: Harish Kasiviswanathan Date: Tue, 14 Jan 2025 16:02:21 -0500 Subject: drm/amdkfd: Add support for more per-process flag Add support for more per-process flags starting with option to configure MFMA precision for gfx 9.5 v2: Change flag name to KFD_PROC_FLAG_MFMA_HIGH_PRECISION Remove unused else condition v3: Bump the KFD API version v4: Missed SH_MEM_CONFIG__PRECISION_MODE__SHIFT define. Added it. Signed-off-by: Harish Kasiviswanathan Reviewed-by: Felix Kuehling Reviewed-by: Amber Lin Signed-off-by: Alex Deucher --- include/uapi/linux/kfd_ioctl.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'include/uapi/linux') diff --git a/include/uapi/linux/kfd_ioctl.h b/include/uapi/linux/kfd_ioctl.h index b0160b09987c..1e59344c5673 100644 --- a/include/uapi/linux/kfd_ioctl.h +++ b/include/uapi/linux/kfd_ioctl.h @@ -43,9 +43,10 @@ * - 1.15 - Enable managing mappings in compute VMs with GEM_VA ioctl * - 1.16 - Add contiguous VRAM allocation flag * - 1.17 - Add SDMA queue creation with target SDMA engine ID + * - 1.18 - Rename pad in set_memory_policy_args to misc_process_flag */ #define KFD_IOCTL_MAJOR_VERSION 1 -#define KFD_IOCTL_MINOR_VERSION 17 +#define KFD_IOCTL_MINOR_VERSION 18 struct kfd_ioctl_get_version_args { __u32 major_version; /* from KFD */ @@ -150,6 +151,9 @@ struct kfd_dbg_device_info_entry { #define KFD_IOC_CACHE_POLICY_COHERENT 0 #define KFD_IOC_CACHE_POLICY_NONCOHERENT 1 +/* Misc. per process flags */ +#define KFD_PROC_FLAG_MFMA_HIGH_PRECISION (1 << 0) + struct kfd_ioctl_set_memory_policy_args { __u64 alternate_aperture_base; /* to KFD */ __u64 alternate_aperture_size; /* to KFD */ @@ -157,7 +161,7 @@ struct kfd_ioctl_set_memory_policy_args { __u32 gpu_id; /* to KFD */ __u32 default_policy; /* to KFD */ __u32 alternate_policy; /* to KFD */ - __u32 pad; + __u32 misc_process_flag; /* to KFD */ }; /* -- cgit