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575.51.02

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This commit is contained in:
Bernhard Stoeckner
2025-04-17 19:35:38 +02:00
parent e8113f665d
commit 4159579888
1142 changed files with 309085 additions and 272273 deletions
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28
kernel-open/nvidia-uvm/uvm_va_space.h
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@@ -33,6 +33,7 @@
#include "uvm_mmu.h"
#include "uvm_linux.h"
#include "uvm_common.h"
#include "uvm_fd_type.h"
#include "nv-kref.h"
#include "nv-linux.h"
#include "uvm_perf_events.h"
@@ -199,6 +200,9 @@ struct uvm_va_space_struct
// registered.
NvU32 num_non_faultable_gpu_va_spaces;
// Count of integrated GPUs in a VA space.
NvU32 num_integrated_gpus;
// Semaphore protecting the state of the va space
uvm_rw_semaphore_t lock;
@@ -613,25 +617,13 @@ static uvm_egm_numa_node_info_t *uvm_va_space_get_first_egm_numa_node_info_for_g
// does not point to a va_space.
static uvm_va_space_t *uvm_fd_va_space(struct file *filp)
{
uvm_va_space_t *va_space;
uvm_fd_type_t type;
type = uvm_fd_type(filp, (void **) &va_space);
if (type != UVM_FD_VA_SPACE)
return NULL;
return va_space;
return uvm_fd_get_type(filp, UVM_FD_VA_SPACE);
}
static uvm_va_space_t *uvm_va_space_get(struct file *filp)
{
uvm_fd_type_t fd_type;
uvm_va_space_t *va_space;
fd_type = uvm_fd_type(filp, (void **)&va_space);
UVM_ASSERT(uvm_file_is_nvidia_uvm(filp));
UVM_ASSERT_MSG(fd_type == UVM_FD_VA_SPACE, "filp: 0x%llx", (NvU64)filp);
uvm_va_space_t *va_space = uvm_fd_va_space(filp);
UVM_ASSERT(va_space);
return va_space;
}
@@ -898,4 +890,10 @@ vm_fault_t uvm_va_space_cpu_fault_hmm(uvm_va_space_t *va_space,
struct vm_area_struct *vma,
struct vm_fault *vmf);
static bool uvm_va_space_has_integrated_gpu(uvm_va_space_t *va_space)
{
uvm_assert_rwsem_locked(&va_space->lock);
return va_space->num_integrated_gpus > 0;
}
#endif // __UVM_VA_SPACE_H__