return -EINVAL;
/* Reading GPU clock counter from KGD */
- args->gpu_clock_counter = kfd2kgd->get_gpu_clock_counter(dev->kgd);
+ args->gpu_clock_counter =
+ dev->kfd2kgd->get_gpu_clock_counter(dev->kgd);
/* No access to rdtsc. Using raw monotonic time */
getrawmonotonic64(&time);
return NULL;
}
-struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev)
+struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd,
+ struct pci_dev *pdev, const struct kfd2kgd_calls *f2g)
{
struct kfd_dev *kfd;
kfd->device_info = device_info;
kfd->pdev = pdev;
kfd->init_complete = false;
+ kfd->kfd2kgd = f2g;
+
+ mutex_init(&kfd->doorbell_mutex);
+ memset(&kfd->doorbell_available_index, 0,
+ sizeof(kfd->doorbell_available_index));
return kfd;
}
/* add another 512KB for all other allocations on gart (HPD, fences) */
size += 512 * 1024;
- if (kfd2kgd->init_gtt_mem_allocation(kfd->kgd, size, &kfd->gtt_mem,
- &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr)) {
+ if (kfd->kfd2kgd->init_gtt_mem_allocation(
+ kfd->kgd, size, &kfd->gtt_mem,
+ &kfd->gtt_start_gpu_addr, &kfd->gtt_start_cpu_ptr)){
dev_err(kfd_device,
"Could not allocate %d bytes for device (%x:%x)\n",
size, kfd->pdev->vendor, kfd->pdev->device);
kfd_topology_add_device_error:
kfd_gtt_sa_fini(kfd);
kfd_gtt_sa_init_error:
- kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem);
+ kfd->kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem);
dev_err(kfd_device,
"device (%x:%x) NOT added due to errors\n",
kfd->pdev->vendor, kfd->pdev->device);
amd_iommu_free_device(kfd->pdev);
kfd_topology_remove_device(kfd);
kfd_gtt_sa_fini(kfd);
- kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem);
+ kfd->kfd2kgd->free_gtt_mem(kfd->kgd, kfd->gtt_mem);
}
kfree(kfd);
void program_sh_mem_settings(struct device_queue_manager *dqm,
struct qcm_process_device *qpd)
{
- return kfd2kgd->program_sh_mem_settings(dqm->dev->kgd, qpd->vmid,
+ return dqm->dev->kfd2kgd->program_sh_mem_settings(
+ dqm->dev->kgd, qpd->vmid,
qpd->sh_mem_config,
qpd->sh_mem_ape1_base,
qpd->sh_mem_ape1_limit,
{
uint32_t pasid_mapping;
- pasid_mapping = (pasid == 0) ? 0 : (uint32_t)pasid |
- ATC_VMID_PASID_MAPPING_VALID;
- return kfd2kgd->set_pasid_vmid_mapping(dqm->dev->kgd, pasid_mapping,
+ pasid_mapping = (pasid == 0) ? 0 :
+ (uint32_t)pasid |
+ ATC_VMID_PASID_MAPPING_VALID;
+
+ return dqm->dev->kfd2kgd->set_pasid_vmid_mapping(
+ dqm->dev->kgd, pasid_mapping,
vmid);
}
pipe_hpd_addr = dqm->pipelines_addr + i * CIK_HPD_EOP_BYTES;
pr_debug("kfd: pipeline address %llX\n", pipe_hpd_addr);
/* = log2(bytes/4)-1 */
- kfd2kgd->init_pipeline(dqm->dev->kgd, inx,
+ dqm->dev->kfd2kgd->init_pipeline(dqm->dev->kgd, inx,
CIK_HPD_EOP_BYTES_LOG2 - 3, pipe_hpd_addr);
}
* and that's assures that any user process won't get access to the
* kernel doorbells page
*/
-static DEFINE_MUTEX(doorbell_mutex);
-static unsigned long doorbell_available_index[
- DIV_ROUND_UP(KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, BITS_PER_LONG)] = { 0 };
#define KERNEL_DOORBELL_PASID 1
#define KFD_SIZE_OF_DOORBELL_IN_BYTES 4
BUG_ON(!kfd || !doorbell_off);
- mutex_lock(&doorbell_mutex);
- inx = find_first_zero_bit(doorbell_available_index,
+ mutex_lock(&kfd->doorbell_mutex);
+ inx = find_first_zero_bit(kfd->doorbell_available_index,
KFD_MAX_NUM_OF_QUEUES_PER_PROCESS);
- __set_bit(inx, doorbell_available_index);
- mutex_unlock(&doorbell_mutex);
+ __set_bit(inx, kfd->doorbell_available_index);
+ mutex_unlock(&kfd->doorbell_mutex);
if (inx >= KFD_MAX_NUM_OF_QUEUES_PER_PROCESS)
return NULL;
inx = (unsigned int)(db_addr - kfd->doorbell_kernel_ptr);
- mutex_lock(&doorbell_mutex);
- __clear_bit(inx, doorbell_available_index);
- mutex_unlock(&doorbell_mutex);
+ mutex_lock(&kfd->doorbell_mutex);
+ __clear_bit(inx, kfd->doorbell_available_index);
+ mutex_unlock(&kfd->doorbell_mutex);
}
inline void write_kernel_doorbell(u32 __iomem *db, u32 value)
#define KFD_DRIVER_MINOR 7
#define KFD_DRIVER_PATCHLEVEL 1
-const struct kfd2kgd_calls *kfd2kgd;
static const struct kgd2kfd_calls kgd2kfd = {
.exit = kgd2kfd_exit,
.probe = kgd2kfd_probe,
MODULE_PARM_DESC(max_num_of_queues_per_device,
"Maximum number of supported queues per device (1 = Minimum, 4096 = default)");
-bool kgd2kfd_init(unsigned interface_version,
- const struct kfd2kgd_calls *f2g,
- const struct kgd2kfd_calls **g2f)
+bool kgd2kfd_init(unsigned interface_version, const struct kgd2kfd_calls **g2f)
{
/*
* Only one interface version is supported,
if (interface_version != KFD_INTERFACE_VERSION)
return false;
- /* Protection against multiple amd kgd loads */
- if (kfd2kgd)
- return true;
-
- kfd2kgd = f2g;
*g2f = &kgd2kfd;
return true;
{
int err;
- kfd2kgd = NULL;
-
/* Verify module parameters */
if ((sched_policy < KFD_SCHED_POLICY_HWS) ||
(sched_policy > KFD_SCHED_POLICY_NO_HWS)) {
static int load_mqd(struct mqd_manager *mm, void *mqd, uint32_t pipe_id,
uint32_t queue_id, uint32_t __user *wptr)
{
- return kfd2kgd->hqd_load(mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
+ return mm->dev->kfd2kgd->hqd_load
+ (mm->dev->kgd, mqd, pipe_id, queue_id, wptr);
}
static int load_mqd_sdma(struct mqd_manager *mm, void *mqd,
uint32_t pipe_id, uint32_t queue_id,
uint32_t __user *wptr)
{
- return kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd);
+ return mm->dev->kfd2kgd->hqd_sdma_load(mm->dev->kgd, mqd);
}
static int update_mqd(struct mqd_manager *mm, void *mqd,
unsigned int timeout, uint32_t pipe_id,
uint32_t queue_id)
{
- return kfd2kgd->hqd_destroy(mm->dev->kgd, type, timeout,
+ return mm->dev->kfd2kgd->hqd_destroy(mm->dev->kgd, type, timeout,
pipe_id, queue_id);
}
unsigned int timeout, uint32_t pipe_id,
uint32_t queue_id)
{
- return kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout);
+ return mm->dev->kfd2kgd->hqd_sdma_destroy(mm->dev->kgd, mqd, timeout);
}
static bool is_occupied(struct mqd_manager *mm, void *mqd,
uint32_t queue_id)
{
- return kfd2kgd->hqd_is_occupied(mm->dev->kgd, queue_address,
+ return mm->dev->kfd2kgd->hqd_is_occupied(mm->dev->kgd, queue_address,
pipe_id, queue_id);
}
uint64_t queue_address, uint32_t pipe_id,
uint32_t queue_id)
{
- return kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd);
+ return mm->dev->kfd2kgd->hqd_sdma_is_occupied(mm->dev->kgd, mqd);
}
/*
struct kgd2kfd_shared_resources shared_resources;
+ const struct kfd2kgd_calls *kfd2kgd;
+ struct mutex doorbell_mutex;
+ unsigned long doorbell_available_index[DIV_ROUND_UP(
+ KFD_MAX_NUM_OF_QUEUES_PER_PROCESS, BITS_PER_LONG)];
+
void *gtt_mem;
uint64_t gtt_start_gpu_addr;
void *gtt_start_cpu_ptr;
/* KGD2KFD callbacks */
void kgd2kfd_exit(void);
-struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd, struct pci_dev *pdev);
+struct kfd_dev *kgd2kfd_probe(struct kgd_dev *kgd,
+ struct pci_dev *pdev, const struct kfd2kgd_calls *f2g);
bool kgd2kfd_device_init(struct kfd_dev *kfd,
- const struct kgd2kfd_shared_resources *gpu_resources);
+ const struct kgd2kfd_shared_resources *gpu_resources);
void kgd2kfd_device_exit(struct kfd_dev *kfd);
-extern const struct kfd2kgd_calls *kfd2kgd;
-
enum kfd_mempool {
KFD_MEMPOOL_SYSTEM_CACHEABLE = 1,
KFD_MEMPOOL_SYSTEM_WRITECOMBINE = 2,
}
sysfs_show_32bit_prop(buffer, "max_engine_clk_fcompute",
- kfd2kgd->get_max_engine_clock_in_mhz(
+ dev->gpu->kfd2kgd->get_max_engine_clock_in_mhz(
dev->gpu->kgd));
sysfs_show_64bit_prop(buffer, "local_mem_size",
- kfd2kgd->get_vmem_size(dev->gpu->kgd));
+ dev->gpu->kfd2kgd->get_vmem_size(
+ dev->gpu->kgd));
sysfs_show_32bit_prop(buffer, "fw_version",
- kfd2kgd->get_fw_version(
+ dev->gpu->kfd2kgd->get_fw_version(
dev->gpu->kgd,
KGD_ENGINE_MEC1));
}
buf[2] = gpu->pdev->subsystem_device;
buf[3] = gpu->pdev->device;
buf[4] = gpu->pdev->bus->number;
- buf[5] = (uint32_t)(kfd2kgd->get_vmem_size(gpu->kgd) & 0xffffffff);
- buf[6] = (uint32_t)(kfd2kgd->get_vmem_size(gpu->kgd) >> 32);
+ buf[5] = (uint32_t)(gpu->kfd2kgd->get_vmem_size(gpu->kgd)
+ & 0xffffffff);
+ buf[6] = (uint32_t)(gpu->kfd2kgd->get_vmem_size(gpu->kgd) >> 32);
for (i = 0, hashout = 0; i < 7; i++)
hashout ^= hash_32(buf[i], KFD_GPU_ID_HASH_WIDTH);
size_t doorbell_start_offset;
};
-/**
- * struct kgd2kfd_calls
- *
- * @exit: Notifies amdkfd that kgd module is unloaded
- *
- * @probe: Notifies amdkfd about a probe done on a device in the kgd driver.
- *
- * @device_init: Initialize the newly probed device (if it is a device that
- * amdkfd supports)
- *
- * @device_exit: Notifies amdkfd about a removal of a kgd device
- *
- * @suspend: Notifies amdkfd about a suspend action done to a kgd device
- *
- * @resume: Notifies amdkfd about a resume action done to a kgd device
- *
- * This structure contains function callback pointers so the kgd driver
- * will notify to the amdkfd about certain status changes.
- *
- */
-struct kgd2kfd_calls {
- void (*exit)(void);
- struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev);
- bool (*device_init)(struct kfd_dev *kfd,
- const struct kgd2kfd_shared_resources *gpu_resources);
- void (*device_exit)(struct kfd_dev *kfd);
- void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry);
- void (*suspend)(struct kfd_dev *kfd);
- int (*resume)(struct kfd_dev *kfd);
-};
-
/**
* struct kfd2kgd_calls
*
enum kgd_engine_type type);
};
+/**
+ * struct kgd2kfd_calls
+ *
+ * @exit: Notifies amdkfd that kgd module is unloaded
+ *
+ * @probe: Notifies amdkfd about a probe done on a device in the kgd driver.
+ *
+ * @device_init: Initialize the newly probed device (if it is a device that
+ * amdkfd supports)
+ *
+ * @device_exit: Notifies amdkfd about a removal of a kgd device
+ *
+ * @suspend: Notifies amdkfd about a suspend action done to a kgd device
+ *
+ * @resume: Notifies amdkfd about a resume action done to a kgd device
+ *
+ * This structure contains function callback pointers so the kgd driver
+ * will notify to the amdkfd about certain status changes.
+ *
+ */
+struct kgd2kfd_calls {
+ void (*exit)(void);
+ struct kfd_dev* (*probe)(struct kgd_dev *kgd, struct pci_dev *pdev,
+ const struct kfd2kgd_calls *f2g);
+ bool (*device_init)(struct kfd_dev *kfd,
+ const struct kgd2kfd_shared_resources *gpu_resources);
+ void (*device_exit)(struct kfd_dev *kfd);
+ void (*interrupt)(struct kfd_dev *kfd, const void *ih_ring_entry);
+ void (*suspend)(struct kfd_dev *kfd);
+ int (*resume)(struct kfd_dev *kfd);
+};
+
bool kgd2kfd_init(unsigned interface_version,
- const struct kfd2kgd_calls *f2g,
const struct kgd2kfd_calls **g2f);
#endif /* KGD_KFD_INTERFACE_H_INCLUDED */
bool radeon_kfd_init(void)
{
#if defined(CONFIG_HSA_AMD_MODULE)
- bool (*kgd2kfd_init_p)(unsigned, const struct kfd2kgd_calls*,
- const struct kgd2kfd_calls**);
+ bool (*kgd2kfd_init_p)(unsigned, const struct kgd2kfd_calls**);
kgd2kfd_init_p = symbol_request(kgd2kfd_init);
if (kgd2kfd_init_p == NULL)
return false;
- if (!kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kfd2kgd, &kgd2kfd)) {
+ if (!kgd2kfd_init_p(KFD_INTERFACE_VERSION, &kgd2kfd)) {
symbol_put(kgd2kfd_init);
kgd2kfd = NULL;
return true;
#elif defined(CONFIG_HSA_AMD)
- if (!kgd2kfd_init(KFD_INTERFACE_VERSION, &kfd2kgd, &kgd2kfd)) {
+ if (!kgd2kfd_init(KFD_INTERFACE_VERSION, &kgd2kfd)) {
kgd2kfd = NULL;
return false;
void radeon_kfd_device_probe(struct radeon_device *rdev)
{
if (kgd2kfd)
- rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev, rdev->pdev);
+ rdev->kfd = kgd2kfd->probe((struct kgd_dev *)rdev,
+ rdev->pdev, &kfd2kgd);
}
void radeon_kfd_device_init(struct radeon_device *rdev)
projects / firefly-linux-kernel-4.4.55.git / commitdiff