Home
last modified time | relevance | path

Searched refs:xfeatures (Results 1 - 24 of 24) sorted by relevance

/kernel/linux/linux-6.6/tools/testing/selftests/kvm/x86_64/
H A Dxcr0_cpuid_test.c22 #define ASSERT_XFEATURE_DEPENDENCIES(supported_xcr0, xfeatures, dependencies) \
24 uint64_t __supported = (supported_xcr0) & ((xfeatures) | (dependencies)); \
26 __GUEST_ASSERT((__supported & (xfeatures)) != (xfeatures) || \
27 __supported == ((xfeatures) | (dependencies)), \
28 "supported = 0x%llx, xfeatures = 0x%llx, dependencies = 0x%llx", \
29 __supported, (xfeatures), (dependencies)); \
40 #define ASSERT_ALL_OR_NONE_XFEATURE(supported_xcr0, xfeatures) \
42 uint64_t __supported = (supported_xcr0) & (xfeatures); \
44 __GUEST_ASSERT(!__supported || __supported == (xfeatures), \
[all...]
/kernel/linux/linux-5.10/arch/x86/kernel/fpu/
H A Dxstate.c131 * bit in the header.xfeatures field, and can skip the writeout of registers
146 u64 xfeatures; in fpstate_sanitize_xstate() local
151 xfeatures = fpu->state.xsave.header.xfeatures; in fpstate_sanitize_xstate()
157 if ((xfeatures & xfeatures_mask_all) == xfeatures_mask_all) in fpstate_sanitize_xstate()
163 if (!(xfeatures & XFEATURE_MASK_FP)) { in fpstate_sanitize_xstate()
176 if (!(xfeatures & XFEATURE_MASK_SSE)) in fpstate_sanitize_xstate()
184 xfeatures = (xfeatures_mask_user() & ~xfeatures) >> 2; in fpstate_sanitize_xstate()
191 while (xfeatures) { in fpstate_sanitize_xstate()
1084 xfeatures_mxcsr_quirk(u64 xfeatures) xfeatures_mxcsr_quirk() argument
[all...]
H A Dsignal.c90 u32 xfeatures; in save_xstate_epilog() local
104 * Read the xfeatures which we copied (directly from the cpu or in save_xstate_epilog()
107 err |= __get_user(xfeatures, (__u32 __user *)&x->header.xfeatures); in save_xstate_epilog()
114 * xfeatures in the xsave header. in save_xstate_epilog()
116 * xsave aware apps can change the xfeatures in the xsave in save_xstate_epilog()
120 xfeatures |= XFEATURE_MASK_FPSSE; in save_xstate_epilog()
122 err |= __put_user(xfeatures, (__u32 __user *)&x->header.xfeatures); in save_xstate_epilog()
235 header->xfeatures in sanitize_restored_user_xstate()
[all...]
H A Dregset.c69 fpu->state.xsave.header.xfeatures |= XFEATURE_MASK_FPSSE; in xfpregs_set()
346 fpu->state.xsave.header.xfeatures |= XFEATURE_MASK_FP; in fpregs_set()
H A Dcore.c89 if (fpu->state.xsave.header.xfeatures & XFEATURE_MASK_AVX512) in copy_fpregs_to_fpstate()
/kernel/linux/linux-6.6/arch/x86/kernel/fpu/
H A Dxstate.c366 xstate_init_xcomp_bv(&init_fpstate.regs.xsave, init_fpstate.xfeatures); in setup_init_fpu_buf()
369 * Init all the features state with header.xfeatures being 0x0 in setup_init_fpu_buf()
406 if (hdr->xfeatures & ~fpstate->user_xfeatures) in validate_user_xstate_header()
559 static unsigned int xstate_calculate_size(u64 xfeatures, bool compacted) in xstate_calculate_size() argument
561 unsigned int topmost = fls64(xfeatures) - 1; in xstate_calculate_size()
568 offset = xfeature_get_offset(xfeatures, topmost); in xstate_calculate_size()
747 u64 xfeatures; in fpu__init_system_xstate() local
821 xfeatures = fpu_kernel_cfg.max_features; in fpu__init_system_xstate()
861 init_fpstate.xfeatures = fpu_kernel_cfg.default_features; in fpu__init_system_xstate()
873 * xfeatures mas in fpu__init_system_xstate()
1062 __copy_xstate_to_uabi_buf(struct membuf to, struct fpstate *fpstate, u64 xfeatures, u32 pkru_val, enum xstate_copy_mode copy_mode) __copy_xstate_to_uabi_buf() argument
1498 fpstate_realloc(u64 xfeatures, unsigned int ksize, unsigned int usize, struct fpu_guest *guest_fpu) fpstate_realloc() argument
[all...]
H A Dcore.c97 if (fpu->fpstate->regs.xsave.header.xfeatures & AVX512_TRACKING_MASK) in update_avx_timestamp()
166 * in fpstate::regs::xsave::xfeatures. in restore_fpregs_from_fpstate()
175 * So fpstate->xfeatures cannot be used here, because then in restore_fpregs_from_fpstate()
235 gfpu->xfeatures = fpu_user_cfg.default_features; in fpu_alloc_guest_fpstate()
273 * fpu_enable_guest_xfd_features - Check xfeatures against guest perm and enable
275 * @xfeatures: Features requested by guest CPUID
277 * Enable all dynamic xfeatures according to guest perm and requested CPUID.
281 int fpu_enable_guest_xfd_features(struct fpu_guest *guest_fpu, u64 xfeatures) in fpu_enable_guest_xfd_features() argument
286 xfeatures &= ~guest_fpu->xfeatures; in fpu_enable_guest_xfd_features()
371 fpu_copy_guest_fpstate_to_uabi(struct fpu_guest *gfpu, void *buf, unsigned int size, u64 xfeatures, u32 pkru) fpu_copy_guest_fpstate_to_uabi() argument
[all...]
H A Dsignal.c62 fx_sw->xfeatures = XFEATURE_MASK_FPSSE; in check_xstate_in_sigframe()
110 sw_bytes->xfeatures = fpstate->user_xfeatures; in save_sw_bytes()
122 u32 xfeatures; in save_xstate_epilog() local
136 * Read the xfeatures which we copied (directly from the cpu or in save_xstate_epilog()
139 err |= __get_user(xfeatures, (__u32 __user *)&x->header.xfeatures); in save_xstate_epilog()
146 * xfeatures in the xsave header. in save_xstate_epilog()
148 * xsave aware apps can change the xfeatures in the xsave in save_xstate_epilog()
152 xfeatures |= XFEATURE_MASK_FPSSE; in save_xstate_epilog()
154 err |= __put_user(xfeatures, (__u3 in save_xstate_epilog()
[all...]
H A Dxstate.h46 u64 xfeatures, u32 pkru_val,
180 u64 mask = fpstate->xfeatures; in os_xsave()
219 * XSAVE itself always writes all requested xfeatures. Removing features
270 /* Optimize away writing unnecessary xfeatures: */ in xsave_to_user_sigframe()
H A Dregset.c125 fpu->fpstate->regs.xsave.header.xfeatures |= XFEATURE_MASK_FPSSE; in xfpregs_set()
462 fpu->fpstate->regs.xsave.header.xfeatures |= XFEATURE_MASK_FP; in fpregs_set()
/kernel/linux/linux-5.10/arch/x86/include/asm/trace/
H A Dfpu.h17 __field(u64, xfeatures)
25 __entry->xfeatures = fpu->state.xsave.header.xfeatures;
29 TP_printk("x86/fpu: %p load: %d xfeatures: %llx xcomp_bv: %llx",
32 __entry->xfeatures,
/kernel/linux/linux-6.6/arch/x86/include/asm/trace/
H A Dfpu.h17 __field(u64, xfeatures)
25 __entry->xfeatures = fpu->fpstate->regs.xsave.header.xfeatures;
29 TP_printk("x86/fpu: %p load: %d xfeatures: %llx xcomp_bv: %llx",
32 __entry->xfeatures,
/kernel/linux/linux-6.6/arch/x86/include/asm/fpu/
H A Dapi.h106 * Query the presence of one or more xfeatures. Works on any legacy CPU as well.
150 extern int fpu_enable_guest_xfd_features(struct fpu_guest *guest_fpu, u64 xfeatures);
161 unsigned int size, u64 xfeatures, u32 pkru);
H A Dtypes.h313 u64 xfeatures; member
363 /* @xfeatures: xfeatures for which the storage is sized */
364 u64 xfeatures; member
366 /* @user_xfeatures: xfeatures valid in UABI buffers */
369 /* @xfd: xfeatures disabled to trap userspace use. */
418 * is allowed to expand it's xfeatures set which requires to
520 * @xfeatures: xfeature bitmap of features which are
523 u64 xfeatures; member
/kernel/linux/linux-6.6/tools/testing/selftests/x86/
H A Dcorrupt_xstate_header.c49 uint64_t *xfeatures = (uint64_t *)(fpstate + 512); in sigusr1() local
53 *(xfeatures + 2) = 0xfffffff; in sigusr1()
/kernel/linux/linux-5.10/arch/x86/include/asm/
H A Duser.h19 __u64 xfeatures; member
45 * ptrace interface, they must ensure that the header.xfeatures
48 * header.xfeatures's bit 0 must be set to '1', when SSE is modified to
49 * non-init state, header.xfeatures's bit 1 must to be set to '1', etc.
/kernel/linux/linux-6.6/arch/x86/include/asm/
H A Duser.h19 __u64 xfeatures; member
45 * ptrace interface, they must ensure that the header.xfeatures
48 * header.xfeatures's bit 0 must be set to '1', when SSE is modified to
49 * non-init state, header.xfeatures's bit 1 must to be set to '1', etc.
/kernel/linux/linux-5.10/arch/x86/include/uapi/asm/
H A Dsigcontext.h60 __u64 xfeatures; member
63 * Actual XSAVE state size, based on the xfeatures saved in the layout.
175 __u64 xfeatures; member
/kernel/linux/linux-6.6/arch/x86/include/uapi/asm/
H A Dsigcontext.h60 __u64 xfeatures; member
63 * Actual XSAVE state size, based on the xfeatures saved in the layout.
175 __u64 xfeatures; member
/kernel/linux/patches/linux-6.6/prebuilts/usr/include/asm-x86/asm/
H A Dsigcontext.h29 __u64 xfeatures; member
94 __u64 xfeatures; member
/kernel/linux/patches/linux-5.10/prebuilts/usr/include/asm-x86/asm/
H A Dsigcontext.h29 __u64 xfeatures; member
94 __u64 xfeatures; member
/kernel/linux/linux-6.6/arch/x86/kvm/
H A Dcpuid.c138 u64 xfeatures; in kvm_check_cpuid() local
154 * Exposing dynamic xfeatures to the guest requires additional in kvm_check_cpuid()
161 xfeatures = best->eax | ((u64)best->edx << 32); in kvm_check_cpuid()
162 xfeatures &= XFEATURE_MASK_USER_DYNAMIC; in kvm_check_cpuid()
163 if (!xfeatures) in kvm_check_cpuid()
166 return fpu_enable_guest_xfd_features(&vcpu->arch.guest_fpu, xfeatures); in kvm_check_cpuid()
/kernel/linux/linux-5.10/arch/x86/include/asm/fpu/
H A Dtypes.h269 u64 xfeatures; member
/kernel/linux/linux-5.10/arch/x86/kvm/
H A Dx86.c4563 u64 xstate_bv = xsave->header.xfeatures; in fill_xsave()
4615 xsave->header.xfeatures = xstate_bv; in load_xsave()

Completed in 28 milliseconds