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550.54.14

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This commit is contained in:
Bernhard Stoeckner
2024-02-23 16:37:56 +01:00
parent 91676d6628
commit 476bd34534
186 changed files with 42509 additions and 37629 deletions
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41
kernel-open/nvidia-uvm/uvm_gpu.h
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@@ -618,9 +618,10 @@ struct uvm_gpu_struct
// The gpu's GI uuid if SMC is enabled; otherwise, a copy of parent->uuid.
NvProcessorUuid uuid;
// Nice printable name in the format: ID: 999: UVM-GPU-<parent_uuid>.
// Nice printable name in the format:
// ID: 999: GPU-<parent_uuid> UVM-GI-<gi_uuid>.
// UVM_GPU_UUID_TEXT_BUFFER_LENGTH includes the null character.
char name[9 + UVM_GPU_UUID_TEXT_BUFFER_LENGTH];
char name[9 + 2 * UVM_GPU_UUID_TEXT_BUFFER_LENGTH];
// Refcount of the gpu, i.e. how many times it has been retained. This is
// roughly a count of how many times it has been registered with a VA space,
@@ -656,6 +657,10 @@ struct uvm_gpu_struct
// can allocate through PMM (PMA).
NvU64 max_allocatable_address;
// Max supported vidmem page size may be smaller than the max GMMU page
// size, because of the vMMU supported page sizes.
NvU64 max_vidmem_page_size;
struct
{
// True if the platform supports HW coherence and the GPU's memory
@@ -844,6 +849,9 @@ struct uvm_gpu_struct
struct proc_dir_entry *dir_symlink;
// The GPU instance UUID symlink if SMC is enabled.
struct proc_dir_entry *gpu_instance_uuid_symlink;
struct proc_dir_entry *info_file;
struct proc_dir_entry *dir_peers;
@@ -1210,11 +1218,6 @@ static const char *uvm_gpu_name(uvm_gpu_t *gpu)
return gpu->name;
}
static const NvProcessorUuid *uvm_gpu_uuid(uvm_gpu_t *gpu)
{
return &gpu->parent->uuid;
}
static uvmGpuDeviceHandle uvm_gpu_device_handle(uvm_gpu_t *gpu)
{
if (gpu->parent->smc.enabled)
@@ -1234,6 +1237,9 @@ struct uvm_gpu_peer_struct
// - The global lock is held.
//
// - While the global lock was held in the past, the two GPUs were detected
// to be SMC peers and were both retained.
//
// - While the global lock was held in the past, the two GPUs were detected
// to be NVLINK peers and were both retained.
//
// - While the global lock was held in the past, the two GPUs were detected
@@ -1319,17 +1325,17 @@ static uvm_gpu_phys_address_t uvm_gpu_page_to_phys_address(uvm_gpu_t *gpu, struc
// Note that there is a uvm_gpu_get() function defined in uvm_global.h to break
// a circular dep between global and gpu modules.
// Get a uvm_gpu_t by UUID. This returns NULL if the GPU is not present. This
// is the general purpose call that should be used normally.
// That is, unless a uvm_gpu_t for a specific SMC partition needs to be
// retrieved, in which case uvm_gpu_get_by_parent_and_swizz_id() must be used
// instead.
// Get a uvm_gpu_t by UUID (physical GPU UUID if SMC is not enabled, otherwise
// GPU instance UUID).
// This returns NULL if the GPU is not present.
// This is the general purpose call that should be used normally.
//
// LOCKING: requires the global lock to be held
uvm_gpu_t *uvm_gpu_get_by_uuid(const NvProcessorUuid *gpu_uuid);
// Get a uvm_parent_gpu_t by UUID. Like uvm_gpu_get_by_uuid(), this function
// returns NULL if the GPU has not been registered.
// Get a uvm_parent_gpu_t by UUID (physical GPU UUID).
// Like uvm_gpu_get_by_uuid(), this function returns NULL if the GPU has not
// been registered.
//
// LOCKING: requires the global lock to be held
uvm_parent_gpu_t *uvm_parent_gpu_get_by_uuid(const NvProcessorUuid *gpu_uuid);
@@ -1340,13 +1346,6 @@ uvm_parent_gpu_t *uvm_parent_gpu_get_by_uuid(const NvProcessorUuid *gpu_uuid);
// limited cases.
uvm_parent_gpu_t *uvm_parent_gpu_get_by_uuid_locked(const NvProcessorUuid *gpu_uuid);
// Get the uvm_gpu_t for a partition by parent and swizzId. This returns NULL if
// the partition hasn't been registered. This call needs to be used instead of
// uvm_gpu_get_by_uuid() when a specific partition is targeted.
//
// LOCKING: requires the global lock to be held
uvm_gpu_t *uvm_gpu_get_by_parent_and_swizz_id(uvm_parent_gpu_t *parent_gpu, NvU32 swizz_id);
// Retain a gpu by uuid
// Returns the retained uvm_gpu_t in gpu_out on success
//