diff options
Diffstat (limited to 'arch/arm64/include/asm/fpsimd.h')
| -rw-r--r-- | arch/arm64/include/asm/fpsimd.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h index 86f550ce7b4d..d8e0dc9f65a1 100644 --- a/arch/arm64/include/asm/fpsimd.h +++ b/arch/arm64/include/asm/fpsimd.h @@ -78,6 +78,7 @@ extern void sve_save_state(void *state, u32 *pfpsr); extern void sve_load_state(void const *state, u32 const *pfpsr, unsigned long vq_minus_1); extern unsigned int sve_get_vl(void); +extern int sve_kernel_enable(void *); extern int __ro_after_init sve_max_vl; @@ -90,10 +91,23 @@ extern void fpsimd_release_task(struct task_struct *task); extern int sve_set_vector_length(struct task_struct *task, unsigned long vl, unsigned long flags); +/* + * Probing and setup functions. + * Calls to these functions must be serialised with one another. + */ +extern void __init sve_init_vq_map(void); +extern void sve_update_vq_map(void); +extern int sve_verify_vq_map(void); +extern void __init sve_setup(void); + #else /* ! CONFIG_ARM64_SVE */ static inline void sve_alloc(struct task_struct *task) { } static inline void fpsimd_release_task(struct task_struct *task) { } +static inline void sve_init_vq_map(void) { } +static inline void sve_update_vq_map(void) { } +static inline int sve_verify_vq_map(void) { return 0; } +static inline void sve_setup(void) { } #endif /* ! CONFIG_ARM64_SVE */ |