From: Alexey Skidanov <[email protected]>
Signed-off-by: Alexey Skidanov <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>
---
drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c | 40 ++++++++++++++++++++++++++++-
drivers/gpu/drm/radeon/amdkfd/kfd_priv.h | 5 ++++
2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c b/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c
index 72d8e79..1e19504 100644
--- a/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/radeon/amdkfd/kfd_chardev.c
@@ -348,7 +348,45 @@ static long kfd_ioctl_get_clock_counters(struct file *filep, struct kfd_process
static int kfd_ioctl_get_process_apertures(struct file *filp, struct kfd_process *p, void __user *arg)
{
- return -ENODEV;
+ struct kfd_ioctl_get_process_apertures_args args;
+ struct kfd_process_device *pdd;
+
+ dev_dbg(kfd_device, "get apertures for PASID %d", p->pasid);
+
+ if (copy_from_user(&args, arg, sizeof(args)))
+ return -EFAULT;
+
+ args.num_of_nodes = 0;
+
+ mutex_lock(&p->mutex);
+
+ /*if the process-device list isn't empty*/
+ if (kfd_has_process_device_data(p)) {
+ /* Run over all pdd of the process */
+ pdd = kfd_get_first_process_device_data(p);
+ do {
+
+ args.process_apertures[args.num_of_nodes].gpu_id = pdd->dev->id;
+ args.process_apertures[args.num_of_nodes].lds_base = pdd->lds_base;
+ args.process_apertures[args.num_of_nodes].lds_limit = pdd->lds_limit;
+ args.process_apertures[args.num_of_nodes].gpuvm_base = pdd->gpuvm_base;
+ args.process_apertures[args.num_of_nodes].gpuvm_limit = pdd->gpuvm_limit;
+ args.process_apertures[args.num_of_nodes].scratch_base = pdd->scratch_base;
+ args.process_apertures[args.num_of_nodes].scratch_limit = pdd->scratch_limit;
+
+ dev_dbg(kfd_device, "node id %u, gpu id %u, lds_base %llX lds_limit %llX gpuvm_base %llX gpuvm_limit %llX scratch_base %llX scratch_limit %llX",
+ args.num_of_nodes, pdd->dev->id, pdd->lds_base, pdd->lds_limit, pdd->gpuvm_base, pdd->gpuvm_limit, pdd->scratch_base, pdd->scratch_limit);
+ args.num_of_nodes++;
+ } while ((pdd = kfd_get_next_process_device_data(p, pdd)) != NULL &&
+ (args.num_of_nodes < NUM_OF_SUPPORTED_GPUS));
+ }
+
+ mutex_unlock(&p->mutex);
+
+ if (copy_to_user(arg, &args, sizeof(args)))
+ return -EFAULT;
+
+ return 0;
}
static long kfd_ioctl_pmc_acquire_access(struct file *filp, struct kfd_process *p, void __user *arg)
diff --git a/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h b/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h
index 7ea0e81..1db1ede 100644
--- a/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/radeon/amdkfd/kfd_priv.h
@@ -346,6 +346,11 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, pasid_t pasid);
struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev,
struct kfd_process *p);
+/* Process device data iterator */
+struct kfd_process_device *kfd_get_first_process_device_data(struct kfd_process *p);
+struct kfd_process_device *kfd_get_next_process_device_data(struct kfd_process *p, struct kfd_process_device *pdd);
+bool kfd_has_process_device_data(struct kfd_process *p);
+
/* PASIDs */
int kfd_pasid_init(void);
void kfd_pasid_exit(void);
--
1.9.1