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| author | Catalin Marinas <catalin.marinas@arm.com> | 2022-05-16 21:49:58 +0300 |
|---|---|---|
| committer | Catalin Marinas <catalin.marinas@arm.com> | 2022-05-16 21:49:58 +0300 |
| commit | 8c00c8f02fcf53e82fc7f54134744d24d6994f21 (patch) | |
| tree | c298ad6cdb6219773139f4e4c318940c21503ae9 /include | |
| parent | 5005d1dbbb3828078f32dff24b77866502e45e93 (diff) | |
| parent | 696207d4258b2ab66dbd1655a7cfb3e978889085 (diff) | |
| download | linux-8c00c8f02fcf53e82fc7f54134744d24d6994f21.tar.xz | |
Merge branch 'for-next/sme' into for-next/sysreg-gen
* for-next/sme: (29 commits)
: Scalable Matrix Extensions support.
arm64/sve: Make kernel FPU protection RT friendly
arm64/sve: Delay freeing memory in fpsimd_flush_thread()
arm64/sme: More sensibly define the size for the ZA register set
arm64/sme: Fix NULL check after kzalloc
arm64/sme: Add ID_AA64SMFR0_EL1 to __read_sysreg_by_encoding()
arm64/sme: Provide Kconfig for SME
KVM: arm64: Handle SME host state when running guests
KVM: arm64: Trap SME usage in guest
KVM: arm64: Hide SME system registers from guests
arm64/sme: Save and restore streaming mode over EFI runtime calls
arm64/sme: Disable streaming mode and ZA when flushing CPU state
arm64/sme: Add ptrace support for ZA
arm64/sme: Implement ptrace support for streaming mode SVE registers
arm64/sme: Implement ZA signal handling
arm64/sme: Implement streaming SVE signal handling
arm64/sme: Disable ZA and streaming mode when handling signals
arm64/sme: Implement traps and syscall handling for SME
arm64/sme: Implement ZA context switching
arm64/sme: Implement streaming SVE context switching
arm64/sme: Implement SVCR context switching
...
Diffstat (limited to 'include')
| -rw-r--r-- | include/uapi/linux/elf.h | 2 | ||||
| -rw-r--r-- | include/uapi/linux/prctl.h | 9 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h index 787c657bfae8..97808f958903 100644 --- a/include/uapi/linux/elf.h +++ b/include/uapi/linux/elf.h @@ -431,6 +431,8 @@ typedef struct elf64_shdr { #define NT_ARM_PACG_KEYS 0x408 /* ARM pointer authentication generic key */ #define NT_ARM_TAGGED_ADDR_CTRL 0x409 /* arm64 tagged address control (prctl()) */ #define NT_ARM_PAC_ENABLED_KEYS 0x40a /* arm64 ptr auth enabled keys (prctl()) */ +#define NT_ARM_SSVE 0x40b /* ARM Streaming SVE registers */ +#define NT_ARM_ZA 0x40c /* ARM SME ZA registers */ #define NT_ARC_V2 0x600 /* ARCv2 accumulator/extra registers */ #define NT_VMCOREDD 0x700 /* Vmcore Device Dump Note */ #define NT_MIPS_DSP 0x800 /* MIPS DSP ASE registers */ diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h index e998764f0262..a5e06dcbba13 100644 --- a/include/uapi/linux/prctl.h +++ b/include/uapi/linux/prctl.h @@ -272,6 +272,15 @@ struct prctl_mm_map { # define PR_SCHED_CORE_SCOPE_THREAD_GROUP 1 # define PR_SCHED_CORE_SCOPE_PROCESS_GROUP 2 +/* arm64 Scalable Matrix Extension controls */ +/* Flag values must be in sync with SVE versions */ +#define PR_SME_SET_VL 63 /* set task vector length */ +# define PR_SME_SET_VL_ONEXEC (1 << 18) /* defer effect until exec */ +#define PR_SME_GET_VL 64 /* get task vector length */ +/* Bits common to PR_SME_SET_VL and PR_SME_GET_VL */ +# define PR_SME_VL_LEN_MASK 0xffff +# define PR_SME_VL_INHERIT (1 << 17) /* inherit across exec */ + #define PR_SET_VMA 0x53564d41 # define PR_SET_VMA_ANON_NAME 0 |