[PATCH v2 1/4] drm/amdkfd: Store kfd_dev in iolink and cache properties

[Kasiviswanathan, Harish]

This is required to check against cgroup permissions.

Signed-off-by: Harish Kasiviswanathan <harish.kasiviswanat...@amd.com>
Reviewed-by: Felix Kuehling <felix.kuehl...@amd.com>
---
 drivers/gpu/drm/amd/amdkfd/kfd_topology.c | 10 ++++++++++
 drivers/gpu/drm/amd/amdkfd/kfd_topology.h |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c 
b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 2c06d6c16eab..64d667ae0d36 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -1104,6 +1104,9 @@ static struct kfd_topology_device *kfd_assign_gpu(struct 
kfd_dev *gpu)
 {
        struct kfd_topology_device *dev;
        struct kfd_topology_device *out_dev = NULL;
+       struct kfd_mem_properties *mem;
+       struct kfd_cache_properties *cache;
+       struct kfd_iolink_properties *iolink;
 
        down_write(&topology_lock);
        list_for_each_entry(dev, &topology_device_list, list) {
@@ -1117,6 +1120,13 @@ static struct kfd_topology_device *kfd_assign_gpu(struct 
kfd_dev *gpu)
                if (!dev->gpu && (dev->node_props.simd_count > 0)) {
                        dev->gpu = gpu;
                        out_dev = dev;
+
+                       list_for_each_entry(mem, &dev->mem_props, list)
+                               mem->gpu = dev->gpu;
+                       list_for_each_entry(cache, &dev->cache_props, list)
+                               cache->gpu = dev->gpu;
+                       list_for_each_entry(iolink, &dev->io_link_props, list)
+                               iolink->gpu = dev->gpu;
                        break;
                }
        }
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h 
b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
index 949e885dfb53..5fd3df80bb0e 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.h
@@ -101,6 +101,7 @@ struct kfd_mem_properties {
        uint32_t                flags;
        uint32_t                width;
        uint32_t                mem_clk_max;
+       struct kfd_dev          *gpu;
        struct kobject          *kobj;
        struct attribute        attr;
 };
@@ -122,6 +123,7 @@ struct kfd_cache_properties {
        uint32_t                cache_latency;
        uint32_t                cache_type;
        uint8_t                 sibling_map[CRAT_SIBLINGMAP_SIZE];
+       struct kfd_dev          *gpu;
        struct kobject          *kobj;
        struct attribute        attr;
 };
@@ -140,6 +142,7 @@ struct kfd_iolink_properties {
        uint32_t                max_bandwidth;
        uint32_t                rec_transfer_size;
        uint32_t                flags;
+       struct kfd_dev          *gpu;
        struct kobject          *kobj;
        struct attribute        attr;
 };
-- 
2.17.1

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