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Diffstat (limited to 'arch/arm64/include/asm/fpsimd.h')
-rw-r--r--arch/arm64/include/asm/fpsimd.h34
1 files changed, 6 insertions, 28 deletions
diff --git a/arch/arm64/include/asm/fpsimd.h b/arch/arm64/include/asm/fpsimd.h
index 8857a0f0d0f7..aa7162ae93e3 100644
--- a/arch/arm64/include/asm/fpsimd.h
+++ b/arch/arm64/include/asm/fpsimd.h
@@ -22,33 +22,9 @@
#ifndef __ASSEMBLY__
#include <linux/cache.h>
+#include <linux/init.h>
#include <linux/stddef.h>
-/*
- * FP/SIMD storage area has:
- * - FPSR and FPCR
- * - 32 128-bit data registers
- *
- * Note that user_fpsimd forms a prefix of this structure, which is
- * relied upon in the ptrace FP/SIMD accessors.
- */
-struct fpsimd_state {
- union {
- struct user_fpsimd_state user_fpsimd;
- struct {
- __uint128_t vregs[32];
- u32 fpsr;
- u32 fpcr;
- /*
- * For ptrace compatibility, pad to next 128-bit
- * boundary here if extending this struct.
- */
- };
- };
- /* the id of the last cpu to have restored this state */
- unsigned int cpu;
-};
-
#if defined(__KERNEL__) && defined(CONFIG_COMPAT)
/* Masks for extracting the FPSR and FPCR from the FPSCR */
#define VFP_FPSCR_STAT_MASK 0xf800009f
@@ -62,8 +38,8 @@ struct fpsimd_state {
struct task_struct;
-extern void fpsimd_save_state(struct fpsimd_state *state);
-extern void fpsimd_load_state(struct fpsimd_state *state);
+extern void fpsimd_save_state(struct user_fpsimd_state *state);
+extern void fpsimd_load_state(struct user_fpsimd_state *state);
extern void fpsimd_thread_switch(struct task_struct *next);
extern void fpsimd_flush_thread(void);
@@ -83,7 +59,9 @@ 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 *);
+
+struct arm64_cpu_capabilities;
+extern void sve_kernel_enable(const struct arm64_cpu_capabilities *__unused);
extern int __ro_after_init sve_max_vl;