#include <linux/sched/task.h>
#include <drm/ttm/ttm_tt.h>
+#include <drm/drm_exec.h>
+
#include "amdgpu_object.h"
#include "amdgpu_gem.h"
#include "amdgpu_vm.h"
#include "amdgpu_dma_buf.h"
#include <uapi/linux/kfd_ioctl.h>
#include "amdgpu_xgmi.h"
+#include "kfd_priv.h"
#include "kfd_smi_events.h"
+#include <drm/ttm/ttm_tt.h>
/* Userptr restore delay, just long enough to allow consecutive VM
* changes to accumulate
struct sysinfo si;
uint64_t mem;
+ if (kfd_mem_limit.max_system_mem_limit)
+ return;
+
si_meminfo(&si);
mem = si.freeram - si.freehigh;
mem *= si.mem_unit;
spin_lock_init(&kfd_mem_limit.mem_limit_lock);
kfd_mem_limit.max_system_mem_limit = mem - (mem >> 4);
- kfd_mem_limit.max_ttm_mem_limit = (mem >> 1) - (mem >> 3);
+ kfd_mem_limit.max_ttm_mem_limit = ttm_tt_pages_limit() << PAGE_SHIFT;
pr_debug("Kernel memory limit %lluM, TTM limit %lluM\n",
(kfd_mem_limit.max_system_mem_limit >> 20),
(kfd_mem_limit.max_ttm_mem_limit >> 20));
* @size: Size of buffer, in bytes, encapsulated by B0. This should be
* equivalent to amdgpu_bo_size(BO)
* @alloc_flag: Flag used in allocating a BO as noted above
+ * @xcp_id: xcp_id is used to get xcp from xcp manager, one xcp is
+ * managed as one compute node in driver for app
*
- * Return: returns -ENOMEM in case of error, ZERO otherwise
+ * Return:
+ * returns -ENOMEM in case of error, ZERO otherwise
*/
int amdgpu_amdkfd_reserve_mem_limit(struct amdgpu_device *adev,
- uint64_t size, u32 alloc_flag)
+ uint64_t size, u32 alloc_flag, int8_t xcp_id)
{
uint64_t reserved_for_pt =
ESTIMATE_PT_SIZE(amdgpu_amdkfd_total_mem_size);
size_t system_mem_needed, ttm_mem_needed, vram_needed;
int ret = 0;
+ uint64_t vram_size = 0;
system_mem_needed = 0;
ttm_mem_needed = 0;
* 2M BO chunk.
*/
vram_needed = size;
+ /*
+ * For GFX 9.4.3, get the VRAM size from XCP structs
+ */
+ if (WARN_ONCE(xcp_id < 0, "invalid XCP ID %d", xcp_id))
+ return -EINVAL;
+
+ vram_size = KFD_XCP_MEMORY_SIZE(adev, xcp_id);
+ if (adev->gmc.is_app_apu) {
+ system_mem_needed = size;
+ ttm_mem_needed = size;
+ }
} else if (alloc_flag & KFD_IOC_ALLOC_MEM_FLAGS_USERPTR) {
system_mem_needed = size;
} else if (!(alloc_flag &
kfd_mem_limit.max_system_mem_limit && !no_system_mem_limit) ||
(kfd_mem_limit.ttm_mem_used + ttm_mem_needed >
kfd_mem_limit.max_ttm_mem_limit) ||
- (adev && adev->kfd.vram_used + vram_needed >
- adev->gmc.real_vram_size - reserved_for_pt)) {
+ (adev && xcp_id >= 0 && adev->kfd.vram_used[xcp_id] + vram_needed >
+ vram_size - reserved_for_pt)) {
ret = -ENOMEM;
goto release;
}
*/
WARN_ONCE(vram_needed && !adev,
"adev reference can't be null when vram is used");
- if (adev) {
- adev->kfd.vram_used += vram_needed;
- adev->kfd.vram_used_aligned += ALIGN(vram_needed, VRAM_AVAILABLITY_ALIGN);
+ if (adev && xcp_id >= 0) {
+ adev->kfd.vram_used[xcp_id] += vram_needed;
+ adev->kfd.vram_used_aligned[xcp_id] += adev->gmc.is_app_apu ?
+ vram_needed :
+ ALIGN(vram_needed, VRAM_AVAILABLITY_ALIGN);
}
kfd_mem_limit.system_mem_used += system_mem_needed;
kfd_mem_limit.ttm_mem_used += ttm_mem_needed;
}
void amdgpu_amdkfd_unreserve_mem_limit(struct amdgpu_device *adev,
- uint64_t size, u32 alloc_flag)
+ uint64_t size, u32 alloc_flag, int8_t xcp_id)
{
spin_lock(&kfd_mem_limit.mem_limit_lock);
} else if (alloc_flag & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
WARN_ONCE(!adev,
"adev reference can't be null when alloc mem flags vram is set");
+ if (WARN_ONCE(xcp_id < 0, "invalid XCP ID %d", xcp_id))
+ goto release;
+
if (adev) {
- adev->kfd.vram_used -= size;
- adev->kfd.vram_used_aligned -= ALIGN(size, VRAM_AVAILABLITY_ALIGN);
+ adev->kfd.vram_used[xcp_id] -= size;
+ if (adev->gmc.is_app_apu) {
+ adev->kfd.vram_used_aligned[xcp_id] -= size;
+ kfd_mem_limit.system_mem_used -= size;
+ kfd_mem_limit.ttm_mem_used -= size;
+ } else {
+ adev->kfd.vram_used_aligned[xcp_id] -=
+ ALIGN(size, VRAM_AVAILABLITY_ALIGN);
+ }
}
} else if (alloc_flag & KFD_IOC_ALLOC_MEM_FLAGS_USERPTR) {
kfd_mem_limit.system_mem_used -= size;
pr_err("%s: Invalid BO type %#x\n", __func__, alloc_flag);
goto release;
}
- WARN_ONCE(adev && adev->kfd.vram_used < 0,
- "KFD VRAM memory accounting unbalanced");
+ WARN_ONCE(adev && xcp_id >= 0 && adev->kfd.vram_used[xcp_id] < 0,
+ "KFD VRAM memory accounting unbalanced for xcp: %d", xcp_id);
WARN_ONCE(kfd_mem_limit.ttm_mem_used < 0,
"KFD TTM memory accounting unbalanced");
WARN_ONCE(kfd_mem_limit.system_mem_used < 0,
u32 alloc_flags = bo->kfd_bo->alloc_flags;
u64 size = amdgpu_bo_size(bo);
- amdgpu_amdkfd_unreserve_mem_limit(adev, size, alloc_flags);
+ amdgpu_amdkfd_unreserve_mem_limit(adev, size, alloc_flags,
+ bo->xcp_id);
kfree(bo->kfd_bo);
}
/**
- * @create_dmamap_sg_bo: Creates a amdgpu_bo object to reflect information
+ * create_dmamap_sg_bo() - Creates a amdgpu_bo object to reflect information
* about USERPTR or DOOREBELL or MMIO BO.
+ *
* @adev: Device for which dmamap BO is being created
* @mem: BO of peer device that is being DMA mapped. Provides parameters
* in building the dmamap BO
ret = amdgpu_gem_object_create(adev, mem->bo->tbo.base.size, 1,
AMDGPU_GEM_DOMAIN_CPU, AMDGPU_GEM_CREATE_PREEMPTIBLE | flags,
- ttm_bo_type_sg, mem->bo->tbo.base.resv, &gem_obj);
+ ttm_bo_type_sg, mem->bo->tbo.base.resv, &gem_obj, 0);
amdgpu_bo_unreserve(mem->bo);
{
struct ttm_operation_ctx ctx = {.interruptible = true};
struct amdgpu_bo *bo = attachment->bo_va->base.bo;
+ int ret;
+
+ amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_CPU);
+ ret = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
+ if (ret)
+ return ret;
amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_GTT);
return ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
static void
kfd_mem_dmaunmap_dmabuf(struct kfd_mem_attachment *attachment)
{
- struct ttm_operation_ctx ctx = {.interruptible = true};
- struct amdgpu_bo *bo = attachment->bo_va->base.bo;
-
- amdgpu_bo_placement_from_domain(bo, AMDGPU_GEM_DOMAIN_CPU);
- ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
+ /* This is a no-op. We don't want to trigger eviction fences when
+ * unmapping DMABufs. Therefore the invalidation (moving to system
+ * domain) is done in kfd_mem_dmamap_dmabuf.
+ */
}
/**
* if peer device has large BAR. In contrast, access over xGMI is
* allowed for both small and large BAR configurations of peer device
*/
- if ((adev != bo_adev) &&
+ if ((adev != bo_adev && !adev->gmc.is_app_apu) &&
((mem->domain == AMDGPU_GEM_DOMAIN_VRAM) ||
(mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_DOORBELL) ||
(mem->alloc_flags & KFD_IOC_ALLOC_MEM_FLAGS_MMIO_REMAP))) {
struct amdkfd_process_info *process_info,
bool userptr)
{
- struct ttm_validate_buffer *entry = &mem->validate_list;
- struct amdgpu_bo *bo = mem->bo;
-
- INIT_LIST_HEAD(&entry->head);
- entry->num_shared = 1;
- entry->bo = &bo->tbo;
mutex_lock(&process_info->lock);
if (userptr)
- list_add_tail(&entry->head, &process_info->userptr_valid_list);
+ list_add_tail(&mem->validate_list,
+ &process_info->userptr_valid_list);
else
- list_add_tail(&entry->head, &process_info->kfd_bo_list);
+ list_add_tail(&mem->validate_list, &process_info->kfd_bo_list);
mutex_unlock(&process_info->lock);
}
static void remove_kgd_mem_from_kfd_bo_list(struct kgd_mem *mem,
struct amdkfd_process_info *process_info)
{
- struct ttm_validate_buffer *bo_list_entry;
-
- bo_list_entry = &mem->validate_list;
mutex_lock(&process_info->lock);
- list_del(&bo_list_entry->head);
+ list_del(&mem->validate_list);
mutex_unlock(&process_info->lock);
}
* object can track VM updates.
*/
struct bo_vm_reservation_context {
- struct amdgpu_bo_list_entry kfd_bo; /* BO list entry for the KFD BO */
- unsigned int n_vms; /* Number of VMs reserved */
- struct amdgpu_bo_list_entry *vm_pd; /* Array of VM BO list entries */
- struct ww_acquire_ctx ticket; /* Reservation ticket */
- struct list_head list, duplicates; /* BO lists */
- struct amdgpu_sync *sync; /* Pointer to sync object */
- bool reserved; /* Whether BOs are reserved */
+ /* DRM execution context for the reservation */
+ struct drm_exec exec;
+ /* Number of VMs reserved */
+ unsigned int n_vms;
+ /* Pointer to sync object */
+ struct amdgpu_sync *sync;
};
enum bo_vm_match {
WARN_ON(!vm);
- ctx->reserved = false;
ctx->n_vms = 1;
ctx->sync = &mem->sync;
-
- INIT_LIST_HEAD(&ctx->list);
- INIT_LIST_HEAD(&ctx->duplicates);
-
- ctx->vm_pd = kcalloc(ctx->n_vms, sizeof(*ctx->vm_pd), GFP_KERNEL);
- if (!ctx->vm_pd)
- return -ENOMEM;
-
- ctx->kfd_bo.priority = 0;
- ctx->kfd_bo.tv.bo = &bo->tbo;
- ctx->kfd_bo.tv.num_shared = 1;
- list_add(&ctx->kfd_bo.tv.head, &ctx->list);
-
- amdgpu_vm_get_pd_bo(vm, &ctx->list, &ctx->vm_pd[0]);
-
- ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
- false, &ctx->duplicates);
- if (ret) {
- pr_err("Failed to reserve buffers in ttm.\n");
- kfree(ctx->vm_pd);
- ctx->vm_pd = NULL;
- return ret;
+ drm_exec_init(&ctx->exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
+ drm_exec_until_all_locked(&ctx->exec) {
+ ret = amdgpu_vm_lock_pd(vm, &ctx->exec, 2);
+ drm_exec_retry_on_contention(&ctx->exec);
+ if (unlikely(ret))
+ goto error;
+
+ ret = drm_exec_lock_obj(&ctx->exec, &bo->tbo.base);
+ drm_exec_retry_on_contention(&ctx->exec);
+ if (unlikely(ret))
+ goto error;
}
-
- ctx->reserved = true;
return 0;
+
+error:
+ pr_err("Failed to reserve buffers in ttm.\n");
+ drm_exec_fini(&ctx->exec);
+ return ret;
}
/**
struct amdgpu_vm *vm, enum bo_vm_match map_type,
struct bo_vm_reservation_context *ctx)
{
- struct amdgpu_bo *bo = mem->bo;
struct kfd_mem_attachment *entry;
- unsigned int i;
+ struct amdgpu_bo *bo = mem->bo;
int ret;
- ctx->reserved = false;
- ctx->n_vms = 0;
- ctx->vm_pd = NULL;
ctx->sync = &mem->sync;
+ drm_exec_init(&ctx->exec, DRM_EXEC_INTERRUPTIBLE_WAIT);
+ drm_exec_until_all_locked(&ctx->exec) {
+ ctx->n_vms = 0;
+ list_for_each_entry(entry, &mem->attachments, list) {
+ if ((vm && vm != entry->bo_va->base.vm) ||
+ (entry->is_mapped != map_type
+ && map_type != BO_VM_ALL))
+ continue;
- INIT_LIST_HEAD(&ctx->list);
- INIT_LIST_HEAD(&ctx->duplicates);
-
- list_for_each_entry(entry, &mem->attachments, list) {
- if ((vm && vm != entry->bo_va->base.vm) ||
- (entry->is_mapped != map_type
- && map_type != BO_VM_ALL))
- continue;
-
- ctx->n_vms++;
- }
-
- if (ctx->n_vms != 0) {
- ctx->vm_pd = kcalloc(ctx->n_vms, sizeof(*ctx->vm_pd),
- GFP_KERNEL);
- if (!ctx->vm_pd)
- return -ENOMEM;
- }
-
- ctx->kfd_bo.priority = 0;
- ctx->kfd_bo.tv.bo = &bo->tbo;
- ctx->kfd_bo.tv.num_shared = 1;
- list_add(&ctx->kfd_bo.tv.head, &ctx->list);
-
- i = 0;
- list_for_each_entry(entry, &mem->attachments, list) {
- if ((vm && vm != entry->bo_va->base.vm) ||
- (entry->is_mapped != map_type
- && map_type != BO_VM_ALL))
- continue;
-
- amdgpu_vm_get_pd_bo(entry->bo_va->base.vm, &ctx->list,
- &ctx->vm_pd[i]);
- i++;
- }
+ ret = amdgpu_vm_lock_pd(entry->bo_va->base.vm,
+ &ctx->exec, 2);
+ drm_exec_retry_on_contention(&ctx->exec);
+ if (unlikely(ret))
+ goto error;
+ ++ctx->n_vms;
+ }
- ret = ttm_eu_reserve_buffers(&ctx->ticket, &ctx->list,
- false, &ctx->duplicates);
- if (ret) {
- pr_err("Failed to reserve buffers in ttm.\n");
- kfree(ctx->vm_pd);
- ctx->vm_pd = NULL;
- return ret;
+ ret = drm_exec_prepare_obj(&ctx->exec, &bo->tbo.base, 1);
+ drm_exec_retry_on_contention(&ctx->exec);
+ if (unlikely(ret))
+ goto error;
}
-
- ctx->reserved = true;
return 0;
+
+error:
+ pr_err("Failed to reserve buffers in ttm.\n");
+ drm_exec_fini(&ctx->exec);
+ return ret;
}
/**
if (wait)
ret = amdgpu_sync_wait(ctx->sync, intr);
- if (ctx->reserved)
- ttm_eu_backoff_reservation(&ctx->ticket, &ctx->list);
- kfree(ctx->vm_pd);
-
+ drm_exec_fini(&ctx->exec);
ctx->sync = NULL;
-
- ctx->reserved = false;
- ctx->vm_pd = NULL;
-
return ret;
}
return ret;
}
-size_t amdgpu_amdkfd_get_available_memory(struct amdgpu_device *adev)
+size_t amdgpu_amdkfd_get_available_memory(struct amdgpu_device *adev,
+ uint8_t xcp_id)
{
uint64_t reserved_for_pt =
ESTIMATE_PT_SIZE(amdgpu_amdkfd_total_mem_size);
ssize_t available;
+ uint64_t vram_available, system_mem_available, ttm_mem_available;
spin_lock(&kfd_mem_limit.mem_limit_lock);
- available = adev->gmc.real_vram_size
- - adev->kfd.vram_used_aligned
+ vram_available = KFD_XCP_MEMORY_SIZE(adev, xcp_id)
+ - adev->kfd.vram_used_aligned[xcp_id]
- atomic64_read(&adev->vram_pin_size)
- reserved_for_pt;
+
+ if (adev->gmc.is_app_apu) {
+ system_mem_available = no_system_mem_limit ?
+ kfd_mem_limit.max_system_mem_limit :
+ kfd_mem_limit.max_system_mem_limit -
+ kfd_mem_limit.system_mem_used;
+
+ ttm_mem_available = kfd_mem_limit.max_ttm_mem_limit -
+ kfd_mem_limit.ttm_mem_used;
+
+ available = min3(system_mem_available, ttm_mem_available,
+ vram_available);
+ available = ALIGN_DOWN(available, PAGE_SIZE);
+ } else {
+ available = ALIGN_DOWN(vram_available, VRAM_AVAILABLITY_ALIGN);
+ }
+
spin_unlock(&kfd_mem_limit.mem_limit_lock);
if (available < 0)
available = 0;
- return ALIGN_DOWN(available, VRAM_AVAILABLITY_ALIGN);
+ return available;
}
int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
uint64_t *offset, uint32_t flags, bool criu_resume)
{
struct amdgpu_vm *avm = drm_priv_to_vm(drm_priv);
+ struct amdgpu_fpriv *fpriv = container_of(avm, struct amdgpu_fpriv, vm);
enum ttm_bo_type bo_type = ttm_bo_type_device;
struct sg_table *sg = NULL;
uint64_t user_addr = 0;
struct drm_gem_object *gobj = NULL;
u32 domain, alloc_domain;
uint64_t aligned_size;
+ int8_t xcp_id = -1;
u64 alloc_flags;
int ret;
*/
if (flags & KFD_IOC_ALLOC_MEM_FLAGS_VRAM) {
domain = alloc_domain = AMDGPU_GEM_DOMAIN_VRAM;
- alloc_flags = AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;
- alloc_flags |= (flags & KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC) ?
+
+ if (adev->gmc.is_app_apu) {
+ domain = AMDGPU_GEM_DOMAIN_GTT;
+ alloc_domain = AMDGPU_GEM_DOMAIN_GTT;
+ alloc_flags = 0;
+ } else {
+ alloc_flags = AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;
+ alloc_flags |= (flags & KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC) ?
AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED : 0;
+ }
+ xcp_id = fpriv->xcp_id == ~0 ? 0 : fpriv->xcp_id;
} else if (flags & KFD_IOC_ALLOC_MEM_FLAGS_GTT) {
domain = alloc_domain = AMDGPU_GEM_DOMAIN_GTT;
alloc_flags = 0;
amdgpu_sync_create(&(*mem)->sync);
- ret = amdgpu_amdkfd_reserve_mem_limit(adev, aligned_size, flags);
+ ret = amdgpu_amdkfd_reserve_mem_limit(adev, aligned_size, flags,
+ xcp_id);
if (ret) {
pr_debug("Insufficient memory\n");
goto err_reserve_limit;
}
- pr_debug("\tcreate BO VA 0x%llx size 0x%llx domain %s\n",
- va, (*mem)->aql_queue ? size << 1 : size, domain_string(alloc_domain));
+ pr_debug("\tcreate BO VA 0x%llx size 0x%llx domain %s xcp_id %d\n",
+ va, (*mem)->aql_queue ? size << 1 : size,
+ domain_string(alloc_domain), xcp_id);
ret = amdgpu_gem_object_create(adev, aligned_size, 1, alloc_domain, alloc_flags,
- bo_type, NULL, &gobj);
+ bo_type, NULL, &gobj, xcp_id + 1);
if (ret) {
pr_debug("Failed to create BO on domain %s. ret %d\n",
domain_string(alloc_domain), ret);
(*mem)->domain = domain;
(*mem)->mapped_to_gpu_memory = 0;
(*mem)->process_info = avm->process_info;
+
add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info, user_addr);
if (user_addr) {
/* Don't unreserve system mem limit twice */
goto err_reserve_limit;
err_bo_create:
- amdgpu_amdkfd_unreserve_mem_limit(adev, aligned_size, flags);
+ amdgpu_amdkfd_unreserve_mem_limit(adev, aligned_size, flags, xcp_id);
err_reserve_limit:
mutex_destroy(&(*mem)->lock);
if (gobj)
bool use_release_notifier = (mem->bo->kfd_bo == mem);
struct kfd_mem_attachment *entry, *tmp;
struct bo_vm_reservation_context ctx;
- struct ttm_validate_buffer *bo_list_entry;
unsigned int mapped_to_gpu_memory;
int ret;
bool is_imported = false;
}
/* Make sure restore workers don't access the BO any more */
- bo_list_entry = &mem->validate_list;
mutex_lock(&process_info->lock);
- list_del(&bo_list_entry->head);
+ list_del(&mem->validate_list);
mutex_unlock(&process_info->lock);
/* Cleanup user pages and MMU notifiers */
}
/* Update the size of the BO being freed if it was allocated from
- * VRAM and is not imported.
+ * VRAM and is not imported. For APP APU VRAM allocations are done
+ * in GTT domain
*/
if (size) {
- if ((mem->bo->preferred_domains == AMDGPU_GEM_DOMAIN_VRAM) &&
- (!is_imported))
+ if (!is_imported &&
+ (mem->bo->preferred_domains == AMDGPU_GEM_DOMAIN_VRAM ||
+ (adev->gmc.is_app_apu &&
+ mem->bo->preferred_domains == AMDGPU_GEM_DOMAIN_GTT)))
*size = bo_size;
else
*size = 0;
(*mem)->dmabuf = dma_buf;
(*mem)->bo = bo;
(*mem)->va = va;
- (*mem)->domain = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) ?
+ (*mem)->domain = (bo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) && !adev->gmc.is_app_apu ?
AMDGPU_GEM_DOMAIN_VRAM : AMDGPU_GEM_DOMAIN_GTT;
+
(*mem)->mapped_to_gpu_memory = 0;
(*mem)->process_info = avm->process_info;
add_kgd_mem_to_kfd_bo_list(*mem, avm->process_info, false);
/* Move all invalidated BOs to the userptr_inval_list */
list_for_each_entry_safe(mem, tmp_mem,
&process_info->userptr_valid_list,
- validate_list.head)
+ validate_list)
if (mem->invalid)
- list_move_tail(&mem->validate_list.head,
+ list_move_tail(&mem->validate_list,
&process_info->userptr_inval_list);
/* Go through userptr_inval_list and update any invalid user_pages */
list_for_each_entry(mem, &process_info->userptr_inval_list,
- validate_list.head) {
+ validate_list) {
invalid = mem->invalid;
if (!invalid)
/* BO hasn't been invalidated since the last
ret = -EAGAIN;
goto unlock_out;
}
- mem->invalid = 0;
+ /* set mem valid if mem has hmm range associated */
+ if (mem->range)
+ mem->invalid = 0;
}
unlock_out:
*/
static int validate_invalid_user_pages(struct amdkfd_process_info *process_info)
{
- struct amdgpu_bo_list_entry *pd_bo_list_entries;
- struct list_head resv_list, duplicates;
- struct ww_acquire_ctx ticket;
+ struct ttm_operation_ctx ctx = { false, false };
struct amdgpu_sync sync;
+ struct drm_exec exec;
struct amdgpu_vm *peer_vm;
struct kgd_mem *mem, *tmp_mem;
struct amdgpu_bo *bo;
- struct ttm_operation_ctx ctx = { false, false };
- int i, ret;
-
- pd_bo_list_entries = kcalloc(process_info->n_vms,
- sizeof(struct amdgpu_bo_list_entry),
- GFP_KERNEL);
- if (!pd_bo_list_entries) {
- pr_err("%s: Failed to allocate PD BO list entries\n", __func__);
- ret = -ENOMEM;
- goto out_no_mem;
- }
-
- INIT_LIST_HEAD(&resv_list);
- INIT_LIST_HEAD(&duplicates);
+ int ret;
- /* Get all the page directory BOs that need to be reserved */
- i = 0;
- list_for_each_entry(peer_vm, &process_info->vm_list_head,
- vm_list_node)
- amdgpu_vm_get_pd_bo(peer_vm, &resv_list,
- &pd_bo_list_entries[i++]);
- /* Add the userptr_inval_list entries to resv_list */
- list_for_each_entry(mem, &process_info->userptr_inval_list,
- validate_list.head) {
- list_add_tail(&mem->resv_list.head, &resv_list);
- mem->resv_list.bo = mem->validate_list.bo;
- mem->resv_list.num_shared = mem->validate_list.num_shared;
- }
+ amdgpu_sync_create(&sync);
+ drm_exec_init(&exec, 0);
/* Reserve all BOs and page tables for validation */
- ret = ttm_eu_reserve_buffers(&ticket, &resv_list, false, &duplicates);
- WARN(!list_empty(&duplicates), "Duplicates should be empty");
- if (ret)
- goto out_free;
+ drm_exec_until_all_locked(&exec) {
+ /* Reserve all the page directories */
+ list_for_each_entry(peer_vm, &process_info->vm_list_head,
+ vm_list_node) {
+ ret = amdgpu_vm_lock_pd(peer_vm, &exec, 2);
+ drm_exec_retry_on_contention(&exec);
+ if (unlikely(ret))
+ goto unreserve_out;
+ }
- amdgpu_sync_create(&sync);
+ /* Reserve the userptr_inval_list entries to resv_list */
+ list_for_each_entry(mem, &process_info->userptr_inval_list,
+ validate_list) {
+ struct drm_gem_object *gobj;
+
+ gobj = &mem->bo->tbo.base;
+ ret = drm_exec_prepare_obj(&exec, gobj, 1);
+ drm_exec_retry_on_contention(&exec);
+ if (unlikely(ret))
+ goto unreserve_out;
+ }
+ }
ret = process_validate_vms(process_info);
if (ret)
/* Validate BOs and update GPUVM page tables */
list_for_each_entry_safe(mem, tmp_mem,
&process_info->userptr_inval_list,
- validate_list.head) {
+ validate_list) {
struct kfd_mem_attachment *attachment;
bo = mem->bo;
ret = process_update_pds(process_info, &sync);
unreserve_out:
- ttm_eu_backoff_reservation(&ticket, &resv_list);
+ drm_exec_fini(&exec);
amdgpu_sync_wait(&sync, false);
amdgpu_sync_free(&sync);
-out_free:
- kfree(pd_bo_list_entries);
-out_no_mem:
return ret;
}
list_for_each_entry_safe(mem, tmp_mem,
&process_info->userptr_inval_list,
- validate_list.head) {
- bool valid = amdgpu_ttm_tt_get_user_pages_done(
- mem->bo->tbo.ttm, mem->range);
+ validate_list) {
+ bool valid;
+
+ /* keep mem without hmm range at userptr_inval_list */
+ if (!mem->range)
+ continue;
+
+ /* Only check mem with hmm range associated */
+ valid = amdgpu_ttm_tt_get_user_pages_done(
+ mem->bo->tbo.ttm, mem->range);
mem->range = NULL;
if (!valid) {
ret = -EAGAIN;
continue;
}
- WARN(mem->invalid, "Valid BO is marked invalid");
- list_move_tail(&mem->validate_list.head,
+ if (mem->invalid) {
+ WARN(1, "Valid BO is marked invalid");
+ ret = -EAGAIN;
+ continue;
+ }
+
+ list_move_tail(&mem->validate_list,
&process_info->userptr_valid_list);
}
*/
int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
{
- struct amdgpu_bo_list_entry *pd_bo_list;
struct amdkfd_process_info *process_info = info;
struct amdgpu_vm *peer_vm;
struct kgd_mem *mem;
- struct bo_vm_reservation_context ctx;
struct amdgpu_amdkfd_fence *new_fence;
- int ret = 0, i;
struct list_head duplicate_save;
struct amdgpu_sync sync_obj;
unsigned long failed_size = 0;
unsigned long total_size = 0;
+ struct drm_exec exec;
+ int ret;
INIT_LIST_HEAD(&duplicate_save);
- INIT_LIST_HEAD(&ctx.list);
- INIT_LIST_HEAD(&ctx.duplicates);
-
- pd_bo_list = kcalloc(process_info->n_vms,
- sizeof(struct amdgpu_bo_list_entry),
- GFP_KERNEL);
- if (!pd_bo_list)
- return -ENOMEM;
- i = 0;
mutex_lock(&process_info->lock);
- list_for_each_entry(peer_vm, &process_info->vm_list_head,
- vm_list_node)
- amdgpu_vm_get_pd_bo(peer_vm, &ctx.list, &pd_bo_list[i++]);
-
- /* Reserve all BOs and page tables/directory. Add all BOs from
- * kfd_bo_list to ctx.list
- */
- list_for_each_entry(mem, &process_info->kfd_bo_list,
- validate_list.head) {
- list_add_tail(&mem->resv_list.head, &ctx.list);
- mem->resv_list.bo = mem->validate_list.bo;
- mem->resv_list.num_shared = mem->validate_list.num_shared;
- }
+ drm_exec_init(&exec, 0);
+ drm_exec_until_all_locked(&exec) {
+ list_for_each_entry(peer_vm, &process_info->vm_list_head,
+ vm_list_node) {
+ ret = amdgpu_vm_lock_pd(peer_vm, &exec, 2);
+ drm_exec_retry_on_contention(&exec);
+ if (unlikely(ret))
+ goto ttm_reserve_fail;
+ }
- ret = ttm_eu_reserve_buffers(&ctx.ticket, &ctx.list,
- false, &duplicate_save);
- if (ret) {
- pr_debug("Memory eviction: TTM Reserve Failed. Try again\n");
- goto ttm_reserve_fail;
+ /* Reserve all BOs and page tables/directory. Add all BOs from
+ * kfd_bo_list to ctx.list
+ */
+ list_for_each_entry(mem, &process_info->kfd_bo_list,
+ validate_list) {
+ struct drm_gem_object *gobj;
+
+ gobj = &mem->bo->tbo.base;
+ ret = drm_exec_prepare_obj(&exec, gobj, 1);
+ drm_exec_retry_on_contention(&exec);
+ if (unlikely(ret))
+ goto ttm_reserve_fail;
+ }
}
amdgpu_sync_create(&sync_obj);
/* Validate BOs and map them to GPUVM (update VM page tables). */
list_for_each_entry(mem, &process_info->kfd_bo_list,
- validate_list.head) {
+ validate_list) {
struct amdgpu_bo *bo = mem->bo;
uint32_t domain = mem->domain;
*ef = dma_fence_get(&new_fence->base);
/* Attach new eviction fence to all BOs except pinned ones */
- list_for_each_entry(mem, &process_info->kfd_bo_list,
- validate_list.head) {
+ list_for_each_entry(mem, &process_info->kfd_bo_list, validate_list) {
if (mem->bo->tbo.pin_count)
continue;
}
validate_map_fail:
- ttm_eu_backoff_reservation(&ctx.ticket, &ctx.list);
amdgpu_sync_free(&sync_obj);
ttm_reserve_fail:
+ drm_exec_fini(&exec);
mutex_unlock(&process_info->lock);
- kfree(pd_bo_list);
return ret;
}
projects / linux-2.6-microblaze.git / blobdiff