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amdkfd: Implement the Get Process Aperture IOCTL 

v3: Fixed debug messages

Signed-off-by: Alexey Skidanov <Alexey.Skidanov@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
This commit is contained in:
Alexey Skidanov 2014-07-17 01:49:36 +03:00 committed by Oded Gabbay
parent 4fac47c820
commit 775921edc1
2 changed files with 61 additions and 1 deletions
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56
drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
View File

@ -435,7 +435,61 @@ static long kfd_ioctl_get_clock_counters(struct file *filep,
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_apertures *pAperture;
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 {
pAperture = &args.process_apertures[args.num_of_nodes];
pAperture->gpu_id = pdd->dev->id;
pAperture->lds_base = pdd->lds_base;
pAperture->lds_limit = pdd->lds_limit;
pAperture->gpuvm_base = pdd->gpuvm_base;
pAperture->gpuvm_limit = pdd->gpuvm_limit;
pAperture->scratch_base = pdd->scratch_base;
pAperture->scratch_limit = pdd->scratch_limit;
dev_dbg(kfd_device,
"node id %u\n", args.num_of_nodes);
dev_dbg(kfd_device,
"gpu id %u\n", pdd->dev->id);
dev_dbg(kfd_device,
"lds_base %llX\n", pdd->lds_base);
dev_dbg(kfd_device,
"lds_limit %llX\n", pdd->lds_limit);
dev_dbg(kfd_device,
"gpuvm_base %llX\n", pdd->gpuvm_base);
dev_dbg(kfd_device,
"gpuvm_limit %llX\n", pdd->gpuvm_limit);
dev_dbg(kfd_device,
"scratch_base %llX\n", pdd->scratch_base);
dev_dbg(kfd_device,
"scratch_limit %llX\n", 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(struct file *filep, unsigned int cmd, unsigned long arg)

6
drivers/gpu/drm/amd/amdkfd/kfd_priv.h
View File

@ -473,6 +473,12 @@ struct kfd_process_device *kfd_get_process_device_data(struct kfd_dev *dev,
struct kfd_process *p,
int create_pdd);
/* 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);