Similar to compute queue reset, flag SDMA queue reset capabilities to
user space for safe testing.
Signed-off-by: Jonathan Kim <jonathan.kim@xxxxxxx>
---
drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 5 +++++
drivers/gpu/drm/amd/amdkfd/kfd_topology.h | 1 +
include/uapi/linux/kfd_sysfs.h | 3 +++
3 files changed, 9 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index dbc5595e999a..27e7356eed6f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -519,6 +519,8 @@ static ssize_t node_show(struct kobject *kobj, struct attribute *attr,
dev->gpu->kfd->mec_fw_version);
sysfs_show_32bit_prop(buffer, offs, "capability",
dev->node_props.capability);
+ sysfs_show_32bit_prop(buffer, offs, "capability2",
+ dev->node_props.capability2);
sysfs_show_64bit_prop(buffer, offs, "debug_prop",
dev->node_props.debug_prop);
sysfs_show_32bit_prop(buffer, offs, "sdma_fw_version",
@@ -1981,6 +1983,9 @@ static void kfd_topology_set_capabilities(struct kfd_topology_device *dev)
if (kfd_dbg_has_ttmps_always_setup(dev->gpu))
dev->node_props.debug_prop |= HSA_DBG_DISPATCH_INFO_ALWAYS_VALID;
+ if (dev->gpu->adev->sdma.supported_reset & AMDGPU_RESET_TYPE_PER_QUEUE)
+ dev->node_props.capability2 |= HSA_CAP2_PER_SDMA_QUEUE_RESET_SUPPORTED;
+
if (KFD_GC_VERSION(dev->gpu) < IP_VERSION(10, 0, 0)) {
if (KFD_GC_VERSION(dev->gpu) == IP_VERSION(9, 4, 3) ||
KFD_GC_VERSION(dev->gpu) == IP_VERSION(9, 4, 4))
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index f06c9db7ddde..3de8ec0043bb 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -51,6 +51,7 @@ struct kfd_node_properties {
uint32_t cpu_core_id_base;
uint32_t simd_id_base;
uint32_t capability;
+ uint32_t capability2;
uint64_t debug_prop;
uint32_t max_waves_per_simd;
uint32_t lds_size_in_kb;
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
--
2.34.1
