summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_priv.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_priv.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 219a0d3340f6..b58b86dcc057 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -32,6 +32,15 @@
#include <linux/spinlock.h>
#include <kgd_kfd_interface.h>
+#define KFD_SYSFS_FILE_MODE 0444
+
+/* GPU ID hash width in bits */
+#define KFD_GPU_ID_HASH_WIDTH 16
+
+/* Macro for allocating structures */
+#define kfd_alloc_struct(ptr_to_struct) \
+ ((typeof(ptr_to_struct)) kzalloc(sizeof(*ptr_to_struct), GFP_KERNEL))
+
struct kfd_device_info {
unsigned int max_pasid_bits;
size_t ih_ring_entry_size;
@@ -71,6 +80,15 @@ struct kfd_process {
extern struct device *kfd_device;
+/* Topology */
+int kfd_topology_init(void);
+void kfd_topology_shutdown(void);
+int kfd_topology_add_device(struct kfd_dev *gpu);
+int kfd_topology_remove_device(struct kfd_dev *gpu);
+struct kfd_dev *kfd_device_by_id(uint32_t gpu_id);
+struct kfd_dev *kfd_device_by_pci_dev(const struct pci_dev *pdev);
+struct kfd_dev *kfd_topology_enum_kfd_devices(uint8_t idx);
+
/* Interrupts */
void kgd2kfd_interrupt(struct kfd_dev *dev, const void *ih_ring_entry);