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This commit is contained in:
Bernhard Stoeckner
2024-01-24 17:51:53 +01:00
parent bb2dac1f20
commit 91676d6628
1411 changed files with 261367 additions and 145959 deletions
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25
kernel-open/nvidia-uvm/uvm_conf_computing.h
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@@ -60,12 +60,8 @@
// UVM_METHOD_SIZE * 2 * 10 = 80.
#define UVM_CONF_COMPUTING_SIGN_BUF_MAX_SIZE 80
// All GPUs derive confidential computing status from their parent.
// By current policy all parent GPUs have identical confidential
// computing status.
NV_STATUS uvm_conf_computing_init_parent_gpu(const uvm_parent_gpu_t *parent);
bool uvm_conf_computing_mode_enabled_parent(const uvm_parent_gpu_t *parent);
bool uvm_conf_computing_mode_enabled(const uvm_gpu_t *gpu);
void uvm_conf_computing_check_parent_gpu(const uvm_parent_gpu_t *parent);
bool uvm_conf_computing_mode_is_hcc(const uvm_gpu_t *gpu);
typedef struct
@@ -201,4 +197,21 @@ NV_STATUS uvm_conf_computing_fault_decrypt(uvm_parent_gpu_t *parent_gpu,
//
// Locking: this function must be invoked while holding the replayable ISR lock.
void uvm_conf_computing_fault_increment_decrypt_iv(uvm_parent_gpu_t *parent_gpu, NvU64 increment);
// Query the number of remaining messages before IV needs to be rotated.
void uvm_conf_computing_query_message_pools(uvm_channel_t *channel,
NvU64 *remaining_encryptions,
NvU64 *remaining_decryptions);
// Check if there are more than uvm_conf_computing_channel_iv_rotation_limit
// messages available in the channel and try to rotate if not.
NV_STATUS uvm_conf_computing_maybe_rotate_channel_ivs(uvm_channel_t *channel);
// Check if there are more than uvm_conf_computing_channel_iv_rotation_limit
// messages available in the channel and rotate if not.
NV_STATUS uvm_conf_computing_maybe_rotate_channel_ivs_retry_busy(uvm_channel_t *channel);
// Check if there are fewer than 'limit' messages available in either direction
// and rotate if not.
NV_STATUS uvm_conf_computing_rotate_channel_ivs_below_limit(uvm_channel_t *channel, NvU64 limit, bool retry_if_busy);
#endif // __UVM_CONF_COMPUTING_H__