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Message-ID: <20170913073823.lxmi4c7ejqlfabjx@gmail.com>
Date: Wed, 13 Sep 2017 09:38:23 +0200
From: Ingo Molnar <mingo@...nel.org>
To: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
Adrian Hunter <adrian.hunter@...el.com>,
David Ahern <dsahern@...il.com>, Jiri Olsa <jolsa@...hat.com>,
Milian Wolff <milian.wolff@...b.com>,
Namhyung Kim <namhyung@...nel.org>,
Peter Zijlstra <a.p.zijlstra@...llo.nl>,
Taeung Song <treeze.taeung@...il.com>,
Wang Nan <wangnan0@...wei.com>,
Yao Jin <yao.jin@...ux.intel.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH] tools/include: Sync kernel ABI headers with tooling headers
Time for a sync with ABI/uapi headers with the upcoming v4.14 kernel.
None of the ABI changes require any source code level changes to our
existing in-kernel tooling code:
- tools/arch/s390/include/uapi/asm/kvm.h:
New KVM_S390_VM_TOD_EXT ABI, not used by in-kernel tooling.
- tools/arch/x86/include/asm/cpufeatures.h:
tools/arch/x86/include/asm/disabled-features.h:
New PCID, SME and VGIF x86 CPU feature bits defined.
- tools/include/asm-generic/hugetlb_encode.h:
tools/include/uapi/asm-generic/mman-common.h:
tools/include/uapi/linux/mman.h:
Two new madvise() flags, plus a hugetlb system call mmap flags
restructuring/extension changes.
- tools/include/uapi/drm/drm.h:
tools/include/uapi/drm/i915_drm.h:
New drm_syncobj_create flags definitions, new drm_syncobj_wait
and drm_syncobj_array ABIs. DRM_I915_PERF_* calls and a new
I915_PARAM_HAS_EXEC_FENCE_ARRAY ABI for the Intel driver.
- tools/include/uapi/linux/bpf.h:
New bpf_sock fields (::mark and ::priority), new XDP_REDIRECT
action, new kvm_ppc_smmu_info fields (::data_keys, instr_keys)
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
tools/arch/s390/include/uapi/asm/kvm.h | 6 +++
tools/arch/x86/include/asm/cpufeatures.h | 2 +
tools/arch/x86/include/asm/disabled-features.h | 4 +-
tools/include/asm-generic/hugetlb_encode.h | 34 +++++++++++++++++
tools/include/uapi/asm-generic/mman-common.h | 14 ++-----
tools/include/uapi/drm/drm.h | 22 +++++++++++
tools/include/uapi/drm/i915_drm.h | 51 +++++++++++++++++++++++++-
tools/include/uapi/linux/bpf.h | 32 ++++++++++------
tools/include/uapi/linux/kvm.h | 3 +-
tools/include/uapi/linux/mman.h | 24 +++++++++++-
10 files changed, 164 insertions(+), 28 deletions(-)
diff --git a/tools/arch/s390/include/uapi/asm/kvm.h b/tools/arch/s390/include/uapi/asm/kvm.h
index 69d09c39bbcd..cd7359e23d86 100644
--- a/tools/arch/s390/include/uapi/asm/kvm.h
+++ b/tools/arch/s390/include/uapi/asm/kvm.h
@@ -88,6 +88,12 @@ struct kvm_s390_io_adapter_req {
/* kvm attributes for KVM_S390_VM_TOD */
#define KVM_S390_VM_TOD_LOW 0
#define KVM_S390_VM_TOD_HIGH 1
+#define KVM_S390_VM_TOD_EXT 2
+
+struct kvm_s390_vm_tod_clock {
+ __u8 epoch_idx;
+ __u64 tod;
+};
/* kvm attributes for KVM_S390_VM_CPU_MODEL */
/* processor related attributes are r/w */
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 8ea315a11fe0..2519c6c801c9 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -196,6 +196,7 @@
#define X86_FEATURE_HW_PSTATE ( 7*32+ 8) /* AMD HW-PState */
#define X86_FEATURE_PROC_FEEDBACK ( 7*32+ 9) /* AMD ProcFeedbackInterface */
+#define X86_FEATURE_SME ( 7*32+10) /* AMD Secure Memory Encryption */
#define X86_FEATURE_INTEL_PPIN ( 7*32+14) /* Intel Processor Inventory Number */
#define X86_FEATURE_INTEL_PT ( 7*32+15) /* Intel Processor Trace */
@@ -287,6 +288,7 @@
#define X86_FEATURE_PFTHRESHOLD (15*32+12) /* pause filter threshold */
#define X86_FEATURE_AVIC (15*32+13) /* Virtual Interrupt Controller */
#define X86_FEATURE_V_VMSAVE_VMLOAD (15*32+15) /* Virtual VMSAVE VMLOAD */
+#define X86_FEATURE_VGIF (15*32+16) /* Virtual GIF */
/* Intel-defined CPU features, CPUID level 0x00000007:0 (ecx), word 16 */
#define X86_FEATURE_AVX512VBMI (16*32+ 1) /* AVX512 Vector Bit Manipulation instructions*/
diff --git a/tools/arch/x86/include/asm/disabled-features.h b/tools/arch/x86/include/asm/disabled-features.h
index 5dff775af7cd..c10c9128f54e 100644
--- a/tools/arch/x86/include/asm/disabled-features.h
+++ b/tools/arch/x86/include/asm/disabled-features.h
@@ -21,11 +21,13 @@
# define DISABLE_K6_MTRR (1<<(X86_FEATURE_K6_MTRR & 31))
# define DISABLE_CYRIX_ARR (1<<(X86_FEATURE_CYRIX_ARR & 31))
# define DISABLE_CENTAUR_MCR (1<<(X86_FEATURE_CENTAUR_MCR & 31))
+# define DISABLE_PCID 0
#else
# define DISABLE_VME 0
# define DISABLE_K6_MTRR 0
# define DISABLE_CYRIX_ARR 0
# define DISABLE_CENTAUR_MCR 0
+# define DISABLE_PCID (1<<(X86_FEATURE_PCID & 31))
#endif /* CONFIG_X86_64 */
#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
@@ -49,7 +51,7 @@
#define DISABLED_MASK1 0
#define DISABLED_MASK2 0
#define DISABLED_MASK3 (DISABLE_CYRIX_ARR|DISABLE_CENTAUR_MCR|DISABLE_K6_MTRR)
-#define DISABLED_MASK4 0
+#define DISABLED_MASK4 (DISABLE_PCID)
#define DISABLED_MASK5 0
#define DISABLED_MASK6 0
#define DISABLED_MASK7 0
diff --git a/tools/include/asm-generic/hugetlb_encode.h b/tools/include/asm-generic/hugetlb_encode.h
new file mode 100644
index 000000000000..e4732d3c2998
--- /dev/null
+++ b/tools/include/asm-generic/hugetlb_encode.h
@@ -0,0 +1,34 @@
+#ifndef _ASM_GENERIC_HUGETLB_ENCODE_H_
+#define _ASM_GENERIC_HUGETLB_ENCODE_H_
+
+/*
+ * Several system calls take a flag to request "hugetlb" huge pages.
+ * Without further specification, these system calls will use the
+ * system's default huge page size. If a system supports multiple
+ * huge page sizes, the desired huge page size can be specified in
+ * bits [26:31] of the flag arguments. The value in these 6 bits
+ * will encode the log2 of the huge page size.
+ *
+ * The following definitions are associated with this huge page size
+ * encoding in flag arguments. System call specific header files
+ * that use this encoding should include this file. They can then
+ * provide definitions based on these with their own specific prefix.
+ * for example:
+ * #define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+ */
+
+#define HUGETLB_FLAG_ENCODE_SHIFT 26
+#define HUGETLB_FLAG_ENCODE_MASK 0x3f
+
+#define HUGETLB_FLAG_ENCODE_64KB (16 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_512KB (19 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_1MB (20 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_2MB (21 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_8MB (23 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16MB (24 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_256MB (28 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_1GB (30 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_2GB (31 << HUGETLB_FLAG_ENCODE_SHIFT)
+#define HUGETLB_FLAG_ENCODE_16GB (34 << HUGETLB_FLAG_ENCODE_SHIFT)
+
+#endif /* _ASM_GENERIC_HUGETLB_ENCODE_H_ */
diff --git a/tools/include/uapi/asm-generic/mman-common.h b/tools/include/uapi/asm-generic/mman-common.h
index 8c27db0c5c08..203268f9231e 100644
--- a/tools/include/uapi/asm-generic/mman-common.h
+++ b/tools/include/uapi/asm-generic/mman-common.h
@@ -58,20 +58,12 @@
overrides the coredump filter bits */
#define MADV_DODUMP 17 /* Clear the MADV_DONTDUMP flag */
+#define MADV_WIPEONFORK 18 /* Zero memory on fork, child only */
+#define MADV_KEEPONFORK 19 /* Undo MADV_WIPEONFORK */
+
/* compatibility flags */
#define MAP_FILE 0
-/*
- * When MAP_HUGETLB is set bits [26:31] encode the log2 of the huge page size.
- * This gives us 6 bits, which is enough until someone invents 128 bit address
- * spaces.
- *
- * Assume these are all power of twos.
- * When 0 use the default page size.
- */
-#define MAP_HUGE_SHIFT 26
-#define MAP_HUGE_MASK 0x3f
-
#define PKEY_DISABLE_ACCESS 0x1
#define PKEY_DISABLE_WRITE 0x2
#define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\
diff --git a/tools/include/uapi/drm/drm.h b/tools/include/uapi/drm/drm.h
index 101593ab10ac..97677cd6964d 100644
--- a/tools/include/uapi/drm/drm.h
+++ b/tools/include/uapi/drm/drm.h
@@ -700,6 +700,7 @@ struct drm_prime_handle {
struct drm_syncobj_create {
__u32 handle;
+#define DRM_SYNCOBJ_CREATE_SIGNALED (1 << 0)
__u32 flags;
};
@@ -718,6 +719,24 @@ struct drm_syncobj_handle {
__u32 pad;
};
+#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
+#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
+struct drm_syncobj_wait {
+ __u64 handles;
+ /* absolute timeout */
+ __s64 timeout_nsec;
+ __u32 count_handles;
+ __u32 flags;
+ __u32 first_signaled; /* only valid when not waiting all */
+ __u32 pad;
+};
+
+struct drm_syncobj_array {
+ __u64 handles;
+ __u32 count_handles;
+ __u32 pad;
+};
+
#if defined(__cplusplus)
}
#endif
@@ -840,6 +859,9 @@ extern "C" {
#define DRM_IOCTL_SYNCOBJ_DESTROY DRM_IOWR(0xC0, struct drm_syncobj_destroy)
#define DRM_IOCTL_SYNCOBJ_HANDLE_TO_FD DRM_IOWR(0xC1, struct drm_syncobj_handle)
#define DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE DRM_IOWR(0xC2, struct drm_syncobj_handle)
+#define DRM_IOCTL_SYNCOBJ_WAIT DRM_IOWR(0xC3, struct drm_syncobj_wait)
+#define DRM_IOCTL_SYNCOBJ_RESET DRM_IOWR(0xC4, struct drm_syncobj_array)
+#define DRM_IOCTL_SYNCOBJ_SIGNAL DRM_IOWR(0xC5, struct drm_syncobj_array)
/**
* Device specific ioctls should only be in their respective headers
diff --git a/tools/include/uapi/drm/i915_drm.h b/tools/include/uapi/drm/i915_drm.h
index 7ccbd6a2bbe0..6598fb76d2c2 100644
--- a/tools/include/uapi/drm/i915_drm.h
+++ b/tools/include/uapi/drm/i915_drm.h
@@ -260,6 +260,8 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_GEM_CONTEXT_GETPARAM 0x34
#define DRM_I915_GEM_CONTEXT_SETPARAM 0x35
#define DRM_I915_PERF_OPEN 0x36
+#define DRM_I915_PERF_ADD_CONFIG 0x37
+#define DRM_I915_PERF_REMOVE_CONFIG 0x38
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
#define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH)
@@ -315,6 +317,8 @@ typedef struct _drm_i915_sarea {
#define DRM_IOCTL_I915_GEM_CONTEXT_GETPARAM DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_GETPARAM, struct drm_i915_gem_context_param)
#define DRM_IOCTL_I915_GEM_CONTEXT_SETPARAM DRM_IOWR (DRM_COMMAND_BASE + DRM_I915_GEM_CONTEXT_SETPARAM, struct drm_i915_gem_context_param)
#define DRM_IOCTL_I915_PERF_OPEN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_OPEN, struct drm_i915_perf_open_param)
+#define DRM_IOCTL_I915_PERF_ADD_CONFIG DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_ADD_CONFIG, struct drm_i915_perf_oa_config)
+#define DRM_IOCTL_I915_PERF_REMOVE_CONFIG DRM_IOW(DRM_COMMAND_BASE + DRM_I915_PERF_REMOVE_CONFIG, __u64)
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
@@ -431,6 +435,11 @@ typedef struct drm_i915_irq_wait {
*/
#define I915_PARAM_HAS_EXEC_BATCH_FIRST 48
+/* Query whether DRM_I915_GEM_EXECBUFFER2 supports supplying an array of
+ * drm_i915_gem_exec_fence structures. See I915_EXEC_FENCE_ARRAY.
+ */
+#define I915_PARAM_HAS_EXEC_FENCE_ARRAY 49
+
typedef struct drm_i915_getparam {
__s32 param;
/*
@@ -812,6 +821,17 @@ struct drm_i915_gem_exec_object2 {
__u64 rsvd2;
};
+struct drm_i915_gem_exec_fence {
+ /**
+ * User's handle for a drm_syncobj to wait on or signal.
+ */
+ __u32 handle;
+
+#define I915_EXEC_FENCE_WAIT (1<<0)
+#define I915_EXEC_FENCE_SIGNAL (1<<1)
+ __u32 flags;
+};
+
struct drm_i915_gem_execbuffer2 {
/**
* List of gem_exec_object2 structs
@@ -826,7 +846,11 @@ struct drm_i915_gem_execbuffer2 {
__u32 DR1;
__u32 DR4;
__u32 num_cliprects;
- /** This is a struct drm_clip_rect *cliprects */
+ /**
+ * This is a struct drm_clip_rect *cliprects if I915_EXEC_FENCE_ARRAY
+ * is not set. If I915_EXEC_FENCE_ARRAY is set, then this is a
+ * struct drm_i915_gem_exec_fence *fences.
+ */
__u64 cliprects_ptr;
#define I915_EXEC_RING_MASK (7<<0)
#define I915_EXEC_DEFAULT (0<<0)
@@ -927,7 +951,14 @@ struct drm_i915_gem_execbuffer2 {
* element).
*/
#define I915_EXEC_BATCH_FIRST (1<<18)
-#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_BATCH_FIRST<<1))
+
+/* Setting I915_FENCE_ARRAY implies that num_cliprects and cliprects_ptr
+ * define an array of i915_gem_exec_fence structures which specify a set of
+ * dma fences to wait upon or signal.
+ */
+#define I915_EXEC_FENCE_ARRAY (1<<19)
+
+#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_ARRAY<<1))
#define I915_EXEC_CONTEXT_ID_MASK (0xffffffff)
#define i915_execbuffer2_set_context_id(eb2, context) \
@@ -1467,6 +1498,22 @@ enum drm_i915_perf_record_type {
DRM_I915_PERF_RECORD_MAX /* non-ABI */
};
+/**
+ * Structure to upload perf dynamic configuration into the kernel.
+ */
+struct drm_i915_perf_oa_config {
+ /** String formatted like "%08x-%04x-%04x-%04x-%012x" */
+ char uuid[36];
+
+ __u32 n_mux_regs;
+ __u32 n_boolean_regs;
+ __u32 n_flex_regs;
+
+ __u64 __user mux_regs_ptr;
+ __u64 __user boolean_regs_ptr;
+ __u64 __user flex_regs_ptr;
+};
+
#if defined(__cplusplus)
}
#endif
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 461811e57140..43ab5c402f98 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -143,12 +143,6 @@ enum bpf_attach_type {
#define MAX_BPF_ATTACH_TYPE __MAX_BPF_ATTACH_TYPE
-enum bpf_sockmap_flags {
- BPF_SOCKMAP_UNSPEC,
- BPF_SOCKMAP_STRPARSER,
- __MAX_BPF_SOCKMAP_FLAG
-};
-
/* If BPF_F_ALLOW_OVERRIDE flag is used in BPF_PROG_ATTACH command
* to the given target_fd cgroup the descendent cgroup will be able to
* override effective bpf program that was inherited from this cgroup
@@ -368,9 +362,20 @@ union bpf_attr {
* int bpf_redirect(ifindex, flags)
* redirect to another netdev
* @ifindex: ifindex of the net device
- * @flags: bit 0 - if set, redirect to ingress instead of egress
- * other bits - reserved
- * Return: TC_ACT_REDIRECT
+ * @flags:
+ * cls_bpf:
+ * bit 0 - if set, redirect to ingress instead of egress
+ * other bits - reserved
+ * xdp_bpf:
+ * all bits - reserved
+ * Return: cls_bpf: TC_ACT_REDIRECT on success or TC_ACT_SHOT on error
+ * xdp_bfp: XDP_REDIRECT on success or XDP_ABORT on error
+ * int bpf_redirect_map(map, key, flags)
+ * redirect to endpoint in map
+ * @map: pointer to dev map
+ * @key: index in map to lookup
+ * @flags: --
+ * Return: XDP_REDIRECT on success or XDP_ABORT on error
*
* u32 bpf_get_route_realm(skb)
* retrieve a dst's tclassid
@@ -632,7 +637,7 @@ union bpf_attr {
FN(skb_adjust_room), \
FN(redirect_map), \
FN(sk_redirect_map), \
- FN(sock_map_update),
+ FN(sock_map_update), \
/* integer value in 'imm' field of BPF_CALL instruction selects which helper
* function eBPF program intends to call
@@ -753,20 +758,23 @@ struct bpf_sock {
__u32 family;
__u32 type;
__u32 protocol;
+ __u32 mark;
+ __u32 priority;
};
#define XDP_PACKET_HEADROOM 256
/* User return codes for XDP prog type.
* A valid XDP program must return one of these defined values. All other
- * return codes are reserved for future use. Unknown return codes will result
- * in packet drop.
+ * return codes are reserved for future use. Unknown return codes will
+ * result in packet drops and a warning via bpf_warn_invalid_xdp_action().
*/
enum xdp_action {
XDP_ABORTED = 0,
XDP_DROP,
XDP_PASS,
XDP_TX,
+ XDP_REDIRECT,
};
/* user accessible metadata for XDP packet hook
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 6cd63c18708a..838887587411 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -711,7 +711,8 @@ struct kvm_ppc_one_seg_page_size {
struct kvm_ppc_smmu_info {
__u64 flags;
__u32 slb_size;
- __u32 pad;
+ __u16 data_keys; /* # storage keys supported for data */
+ __u16 instr_keys; /* # storage keys supported for instructions */
struct kvm_ppc_one_seg_page_size sps[KVM_PPC_PAGE_SIZES_MAX_SZ];
};
diff --git a/tools/include/uapi/linux/mman.h b/tools/include/uapi/linux/mman.h
index 81d8edf11789..a937480d7cd3 100644
--- a/tools/include/uapi/linux/mman.h
+++ b/tools/include/uapi/linux/mman.h
@@ -1,7 +1,8 @@
#ifndef _UAPI_LINUX_MMAN_H
#define _UAPI_LINUX_MMAN_H
-#include <uapi/asm/mman.h>
+#include <asm/mman.h>
+#include <asm-generic/hugetlb_encode.h>
#define MREMAP_MAYMOVE 1
#define MREMAP_FIXED 2
@@ -10,4 +11,25 @@
#define OVERCOMMIT_ALWAYS 1
#define OVERCOMMIT_NEVER 2
+/*
+ * Huge page size encoding when MAP_HUGETLB is specified, and a huge page
+ * size other than the default is desired. See hugetlb_encode.h.
+ * All known huge page size encodings are provided here. It is the
+ * responsibility of the application to know which sizes are supported on
+ * the running system. See mmap(2) man page for details.
+ */
+#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
+#define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
+
+#define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
+#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
+#define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
+#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
+#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
+#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
+#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
+#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
+#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
+#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
+
#endif /* _UAPI_LINUX_MMAN_H */
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