Commit 8b7fd679 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull perf tooling fixes from Thomas Gleixner:
 "A set of updates for perf tools and documentation:

  perf header:
    - Prevent a division by zero
    - Deal with an uninitialized warning proper

  libbpf:
    - Fix the missiong __WORDSIZE definition for musl & al

  UAPI headers:
    - Synchronize kernel headers

  Documentation:
    - Fix the memory units for perf.data size"

* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  libbpf: fix missing __WORDSIZE definition
  perf tools: Fix perf.data documentation units for memory size
  perf header: Fix use of unitialized value warning
  perf header: Fix divide by zero error if f_header.attr_size==0
  tools headers UAPI: Sync if_link.h with the kernel
  tools headers UAPI: Sync sched.h with the kernel
  tools headers UAPI: Sync usbdevice_fs.h with the kernels to get new ioctl
  tools perf beauty: Fix usbdevfs_ioctl table generator to handle _IOC()
  tools headers UAPI: Update tools's copy of drm.h headers
  tools headers UAPI: Update tools's copy of mman.h headers
  tools headers UAPI: Update tools's copy of kvm.h headers
  tools include UAPI: Sync x86's syscalls_64.tbl and generic unistd.h to pick up clone3 and pidfd_open
parents 0432a0a0 b3c303be
......@@ -214,6 +214,18 @@ struct kvm_vcpu_events {
#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM | KVM_REG_SIZE_U64 | \
KVM_REG_ARM_FW | ((r) & 0xffff))
#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0)
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1)
/* Higher values mean better protection. */
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2)
/* Higher values mean better protection. */
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4)
/* Device Control API: ARM VGIC */
#define KVM_DEV_ARM_VGIC_GRP_ADDR 0
......
......@@ -229,6 +229,16 @@ struct kvm_vcpu_events {
#define KVM_REG_ARM_FW_REG(r) (KVM_REG_ARM64 | KVM_REG_SIZE_U64 | \
KVM_REG_ARM_FW | ((r) & 0xffff))
#define KVM_REG_ARM_PSCI_VERSION KVM_REG_ARM_FW_REG(0)
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1 KVM_REG_ARM_FW_REG(1)
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_AVAIL 0
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_AVAIL 1
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_1_NOT_REQUIRED 2
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2 KVM_REG_ARM_FW_REG(2)
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_AVAIL 0
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_UNKNOWN 1
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_AVAIL 2
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_NOT_REQUIRED 3
#define KVM_REG_ARM_SMCCC_ARCH_WORKAROUND_2_ENABLED (1U << 4)
/* SVE registers */
#define KVM_REG_ARM64_SVE (0x15 << KVM_REG_ARM_COPROC_SHIFT)
......
......@@ -4,12 +4,8 @@
#define MAP_DENYWRITE 0x0800
#define MAP_EXECUTABLE 0x1000
#define MAP_GROWSDOWN 0x0100
#define MAP_HUGETLB 0x40000
#define MAP_LOCKED 0x80
#define MAP_NONBLOCK 0x10000
#define MAP_NORESERVE 0x40
#define MAP_POPULATE 0x8000
#define MAP_STACK 0x20000
#include <uapi/asm-generic/mman-common.h>
/* MAP_32BIT is undefined on powerpc, fix it for perf */
#define MAP_32BIT 0
......
......@@ -4,12 +4,8 @@
#define MAP_DENYWRITE 0x0800
#define MAP_EXECUTABLE 0x1000
#define MAP_GROWSDOWN 0x0200
#define MAP_HUGETLB 0x40000
#define MAP_LOCKED 0x100
#define MAP_NONBLOCK 0x10000
#define MAP_NORESERVE 0x40
#define MAP_POPULATE 0x8000
#define MAP_STACK 0x20000
#include <uapi/asm-generic/mman-common.h>
/* MAP_32BIT is undefined on sparc, fix it for perf */
#define MAP_32BIT 0
......
......@@ -378,10 +378,11 @@ struct kvm_sync_regs {
struct kvm_vcpu_events events;
};
#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
#define KVM_X86_QUIRK_LINT0_REENABLED (1 << 0)
#define KVM_X86_QUIRK_CD_NW_CLEARED (1 << 1)
#define KVM_X86_QUIRK_LAPIC_MMIO_HOLE (1 << 2)
#define KVM_X86_QUIRK_OUT_7E_INC_RIP (1 << 3)
#define KVM_X86_QUIRK_MISC_ENABLE_NO_MWAIT (1 << 4)
#define KVM_STATE_NESTED_FORMAT_VMX 0
#define KVM_STATE_NESTED_FORMAT_SVM 1 /* unused */
......@@ -432,4 +433,17 @@ struct kvm_nested_state {
} data;
};
/* for KVM_CAP_PMU_EVENT_FILTER */
struct kvm_pmu_event_filter {
__u32 action;
__u32 nevents;
__u32 fixed_counter_bitmap;
__u32 flags;
__u32 pad[4];
__u64 events[0];
};
#define KVM_PMU_EVENT_ALLOW 0
#define KVM_PMU_EVENT_DENY 1
#endif /* _ASM_X86_KVM_H */
......@@ -146,7 +146,6 @@
#define VMX_ABORT_SAVE_GUEST_MSR_FAIL 1
#define VMX_ABORT_LOAD_HOST_PDPTE_FAIL 2
#define VMX_ABORT_VMCS_CORRUPTED 3
#define VMX_ABORT_LOAD_HOST_MSR_FAIL 4
#endif /* _UAPIVMX_H */
......@@ -19,15 +19,18 @@
#define MAP_TYPE 0x0f /* Mask for type of mapping */
#define MAP_FIXED 0x10 /* Interpret addr exactly */
#define MAP_ANONYMOUS 0x20 /* don't use a file */
#ifdef CONFIG_MMAP_ALLOW_UNINITIALIZED
# define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be uninitialized */
#else
# define MAP_UNINITIALIZED 0x0 /* Don't support this flag */
#endif
/* 0x0100 - 0x80000 flags are defined in asm-generic/mman.h */
/* 0x0100 - 0x4000 flags are defined in asm-generic/mman.h */
#define MAP_POPULATE 0x008000 /* populate (prefault) pagetables */
#define MAP_NONBLOCK 0x010000 /* do not block on IO */
#define MAP_STACK 0x020000 /* give out an address that is best suited for process/thread stacks */
#define MAP_HUGETLB 0x040000 /* create a huge page mapping */
#define MAP_SYNC 0x080000 /* perform synchronous page faults for the mapping */
#define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED which doesn't unmap underlying mapping */
#define MAP_UNINITIALIZED 0x4000000 /* For anonymous mmap, memory could be
* uninitialized */
/*
* Flags for mlock
*/
......
......@@ -9,13 +9,11 @@
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_LOCKED 0x2000 /* pages are locked */
#define MAP_NORESERVE 0x4000 /* don't check for reservations */
#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */
#define MAP_NONBLOCK 0x10000 /* do not block on IO */
#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */
#define MAP_HUGETLB 0x40000 /* create a huge page mapping */
#define MAP_SYNC 0x80000 /* perform synchronous page faults for the mapping */
/* Bits [26:31] are reserved, see mman-common.h for MAP_HUGETLB usage */
/*
* Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
* for MAP_HUGETLB usage
*/
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
......
......@@ -844,9 +844,15 @@ __SYSCALL(__NR_fsconfig, sys_fsconfig)
__SYSCALL(__NR_fsmount, sys_fsmount)
#define __NR_fspick 433
__SYSCALL(__NR_fspick, sys_fspick)
#define __NR_pidfd_open 434
__SYSCALL(__NR_pidfd_open, sys_pidfd_open)
#ifdef __ARCH_WANT_SYS_CLONE3
#define __NR_clone3 435
__SYSCALL(__NR_clone3, sys_clone3)
#endif
#undef __NR_syscalls
#define __NR_syscalls 434
#define __NR_syscalls 436
/*
* 32 bit systems traditionally used different
......
......@@ -50,6 +50,7 @@ typedef unsigned int drm_handle_t;
#else /* One of the BSDs */
#include <stdint.h>
#include <sys/ioccom.h>
#include <sys/types.h>
typedef int8_t __s8;
......
......@@ -136,6 +136,8 @@ enum drm_i915_gem_engine_class {
struct i915_engine_class_instance {
__u16 engine_class; /* see enum drm_i915_gem_engine_class */
__u16 engine_instance;
#define I915_ENGINE_CLASS_INVALID_NONE -1
#define I915_ENGINE_CLASS_INVALID_VIRTUAL -2
};
/**
......@@ -355,6 +357,8 @@ typedef struct _drm_i915_sarea {
#define DRM_I915_PERF_ADD_CONFIG 0x37
#define DRM_I915_PERF_REMOVE_CONFIG 0x38
#define DRM_I915_QUERY 0x39
#define DRM_I915_GEM_VM_CREATE 0x3a
#define DRM_I915_GEM_VM_DESTROY 0x3b
/* Must be kept compact -- no holes */
#define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t)
......@@ -415,6 +419,8 @@ typedef struct _drm_i915_sarea {
#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)
#define DRM_IOCTL_I915_QUERY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_QUERY, struct drm_i915_query)
#define DRM_IOCTL_I915_GEM_VM_CREATE DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_VM_CREATE, struct drm_i915_gem_vm_control)
#define DRM_IOCTL_I915_GEM_VM_DESTROY DRM_IOW (DRM_COMMAND_BASE + DRM_I915_GEM_VM_DESTROY, struct drm_i915_gem_vm_control)
/* Allow drivers to submit batchbuffers directly to hardware, relying
* on the security mechanisms provided by hardware.
......@@ -598,6 +604,12 @@ typedef struct drm_i915_irq_wait {
*/
#define I915_PARAM_MMAP_GTT_COHERENT 52
/*
* Query whether DRM_I915_GEM_EXECBUFFER2 supports coordination of parallel
* execution through use of explicit fence support.
* See I915_EXEC_FENCE_OUT and I915_EXEC_FENCE_SUBMIT.
*/
#define I915_PARAM_HAS_EXEC_SUBMIT_FENCE 53
/* Must be kept compact -- no holes and well documented */
typedef struct drm_i915_getparam {
......@@ -1120,7 +1132,16 @@ struct drm_i915_gem_execbuffer2 {
*/
#define I915_EXEC_FENCE_ARRAY (1<<19)
#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_ARRAY<<1))
/*
* Setting I915_EXEC_FENCE_SUBMIT implies that lower_32_bits(rsvd2) represent
* a sync_file fd to wait upon (in a nonblocking manner) prior to executing
* the batch.
*
* Returns -EINVAL if the sync_file fd cannot be found.
*/
#define I915_EXEC_FENCE_SUBMIT (1 << 20)
#define __I915_EXEC_UNKNOWN_FLAGS (-(I915_EXEC_FENCE_SUBMIT << 1))
#define I915_EXEC_CONTEXT_ID_MASK (0xffffffff)
#define i915_execbuffer2_set_context_id(eb2, context) \
......@@ -1464,8 +1485,9 @@ struct drm_i915_gem_context_create_ext {
__u32 ctx_id; /* output: id of new context*/
__u32 flags;
#define I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS (1u << 0)
#define I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE (1u << 1)
#define I915_CONTEXT_CREATE_FLAGS_UNKNOWN \
(-(I915_CONTEXT_CREATE_FLAGS_USE_EXTENSIONS << 1))
(-(I915_CONTEXT_CREATE_FLAGS_SINGLE_TIMELINE << 1))
__u64 extensions;
};
......@@ -1507,6 +1529,41 @@ struct drm_i915_gem_context_param {
* On creation, all new contexts are marked as recoverable.
*/
#define I915_CONTEXT_PARAM_RECOVERABLE 0x8
/*
* The id of the associated virtual memory address space (ppGTT) of
* this context. Can be retrieved and passed to another context
* (on the same fd) for both to use the same ppGTT and so share
* address layouts, and avoid reloading the page tables on context
* switches between themselves.
*
* See DRM_I915_GEM_VM_CREATE and DRM_I915_GEM_VM_DESTROY.
*/
#define I915_CONTEXT_PARAM_VM 0x9
/*
* I915_CONTEXT_PARAM_ENGINES:
*
* Bind this context to operate on this subset of available engines. Henceforth,
* the I915_EXEC_RING selector for DRM_IOCTL_I915_GEM_EXECBUFFER2 operates as
* an index into this array of engines; I915_EXEC_DEFAULT selecting engine[0]
* and upwards. Slots 0...N are filled in using the specified (class, instance).
* Use
* engine_class: I915_ENGINE_CLASS_INVALID,
* engine_instance: I915_ENGINE_CLASS_INVALID_NONE
* to specify a gap in the array that can be filled in later, e.g. by a
* virtual engine used for load balancing.
*
* Setting the number of engines bound to the context to 0, by passing a zero
* sized argument, will revert back to default settings.
*
* See struct i915_context_param_engines.
*
* Extensions:
* i915_context_engines_load_balance (I915_CONTEXT_ENGINES_EXT_LOAD_BALANCE)
* i915_context_engines_bond (I915_CONTEXT_ENGINES_EXT_BOND)
*/
#define I915_CONTEXT_PARAM_ENGINES 0xa
/* Must be kept compact -- no holes and well documented */
__u64 value;
......@@ -1540,9 +1597,10 @@ struct drm_i915_gem_context_param_sseu {
struct i915_engine_class_instance engine;
/*
* Unused for now. Must be cleared to zero.
* Unknown flags must be cleared to zero.
*/
__u32 flags;
#define I915_CONTEXT_SSEU_FLAG_ENGINE_INDEX (1u << 0)
/*
* Mask of slices to enable for the context. Valid values are a subset
......@@ -1570,12 +1628,115 @@ struct drm_i915_gem_context_param_sseu {
__u32 rsvd;
};
/*
* i915_context_engines_load_balance:
*
* Enable load balancing across this set of engines.
*
* Into the I915_EXEC_DEFAULT slot [0], a virtual engine is created that when
* used will proxy the execbuffer request onto one of the set of engines
* in such a way as to distribute the load evenly across the set.
*
* The set of engines must be compatible (e.g. the same HW class) as they
* will share the same logical GPU context and ring.
*
* To intermix rendering with the virtual engine and direct rendering onto
* the backing engines (bypassing the load balancing proxy), the context must
* be defined to use a single timeline for all engines.
*/
struct i915_context_engines_load_balance {
struct i915_user_extension base;
__u16 engine_index;
__u16 num_siblings;
__u32 flags; /* all undefined flags must be zero */
__u64 mbz64; /* reserved for future use; must be zero */
struct i915_engine_class_instance engines[0];
} __attribute__((packed));
#define I915_DEFINE_CONTEXT_ENGINES_LOAD_BALANCE(name__, N__) struct { \
struct i915_user_extension base; \
__u16 engine_index; \
__u16 num_siblings; \
__u32 flags; \
__u64 mbz64; \
struct i915_engine_class_instance engines[N__]; \
} __attribute__((packed)) name__
/*
* i915_context_engines_bond:
*
* Constructed bonded pairs for execution within a virtual engine.
*
* All engines are equal, but some are more equal than others. Given
* the distribution of resources in the HW, it may be preferable to run
* a request on a given subset of engines in parallel to a request on a
* specific engine. We enable this selection of engines within a virtual
* engine by specifying bonding pairs, for any given master engine we will
* only execute on one of the corresponding siblings within the virtual engine.
*
* To execute a request in parallel on the master engine and a sibling requires
* coordination with a I915_EXEC_FENCE_SUBMIT.
*/
struct i915_context_engines_bond {
struct i915_user_extension base;
struct i915_engine_class_instance master;
__u16 virtual_index; /* index of virtual engine in ctx->engines[] */
__u16 num_bonds;
__u64 flags; /* all undefined flags must be zero */
__u64 mbz64[4]; /* reserved for future use; must be zero */
struct i915_engine_class_instance engines[0];
} __attribute__((packed));
#define I915_DEFINE_CONTEXT_ENGINES_BOND(name__, N__) struct { \
struct i915_user_extension base; \
struct i915_engine_class_instance master; \
__u16 virtual_index; \
__u16 num_bonds; \
__u64 flags; \
__u64 mbz64[4]; \
struct i915_engine_class_instance engines[N__]; \
} __attribute__((packed)) name__
struct i915_context_param_engines {
__u64 extensions; /* linked chain of extension blocks, 0 terminates */
#define I915_CONTEXT_ENGINES_EXT_LOAD_BALANCE 0 /* see i915_context_engines_load_balance */
#define I915_CONTEXT_ENGINES_EXT_BOND 1 /* see i915_context_engines_bond */
struct i915_engine_class_instance engines[0];
} __attribute__((packed));
#define I915_DEFINE_CONTEXT_PARAM_ENGINES(name__, N__) struct { \
__u64 extensions; \
struct i915_engine_class_instance engines[N__]; \
} __attribute__((packed)) name__
struct drm_i915_gem_context_create_ext_setparam {
#define I915_CONTEXT_CREATE_EXT_SETPARAM 0
struct i915_user_extension base;
struct drm_i915_gem_context_param param;
};
struct drm_i915_gem_context_create_ext_clone {
#define I915_CONTEXT_CREATE_EXT_CLONE 1
struct i915_user_extension base;
__u32 clone_id;
__u32 flags;
#define I915_CONTEXT_CLONE_ENGINES (1u << 0)
#define I915_CONTEXT_CLONE_FLAGS (1u << 1)
#define I915_CONTEXT_CLONE_SCHEDATTR (1u << 2)
#define I915_CONTEXT_CLONE_SSEU (1u << 3)
#define I915_CONTEXT_CLONE_TIMELINE (1u << 4)
#define I915_CONTEXT_CLONE_VM (1u << 5)
#define I915_CONTEXT_CLONE_UNKNOWN -(I915_CONTEXT_CLONE_VM << 1)
__u64 rsvd;
};
struct drm_i915_gem_context_destroy {
__u32 ctx_id;
__u32 pad;
......@@ -1821,6 +1982,7 @@ struct drm_i915_perf_oa_config {
struct drm_i915_query_item {
__u64 query_id;
#define DRM_I915_QUERY_TOPOLOGY_INFO 1
#define DRM_I915_QUERY_ENGINE_INFO 2
/* Must be kept compact -- no holes and well documented */
/*
......@@ -1919,6 +2081,47 @@ struct drm_i915_query_topology_info {
__u8 data[];
};
/**
* struct drm_i915_engine_info
*
* Describes one engine and it's capabilities as known to the driver.
*/
struct drm_i915_engine_info {
/** Engine class and instance. */
struct i915_engine_class_instance engine;
/** Reserved field. */
__u32 rsvd0;
/** Engine flags. */
__u64 flags;
/** Capabilities of this engine. */
__u64 capabilities;
#define I915_VIDEO_CLASS_CAPABILITY_HEVC (1 << 0)
#define I915_VIDEO_AND_ENHANCE_CLASS_CAPABILITY_SFC (1 << 1)
/** Reserved fields. */
__u64 rsvd1[4];
};
/**
* struct drm_i915_query_engine_info
*
* Engine info query enumerates all engines known to the driver by filling in
* an array of struct drm_i915_engine_info structures.
*/
struct drm_i915_query_engine_info {
/** Number of struct drm_i915_engine_info structs following. */
__u32 num_engines;
/** MBZ */
__u32 rsvd[3];
/** Marker for drm_i915_engine_info structures. */
struct drm_i915_engine_info engines[];
};
#if defined(__cplusplus)
}
#endif
......
......@@ -695,6 +695,7 @@ enum {
IFLA_VF_IB_NODE_GUID, /* VF Infiniband node GUID */
IFLA_VF_IB_PORT_GUID, /* VF Infiniband port GUID */
IFLA_VF_VLAN_LIST, /* nested list of vlans, option for QinQ */
IFLA_VF_BROADCAST, /* VF broadcast */
__IFLA_VF_MAX,
};
......@@ -705,6 +706,10 @@ struct ifla_vf_mac {
__u8 mac[32]; /* MAX_ADDR_LEN */
};
struct ifla_vf_broadcast {
__u8 broadcast[32];
};
struct ifla_vf_vlan {
__u32 vf;
__u32 vlan; /* 0 - 4095, 0 disables VLAN filter */
......
......@@ -995,6 +995,7 @@ struct kvm_ppc_resize_hpt {
#define KVM_CAP_ARM_SVE 170
#define KVM_CAP_ARM_PTRAUTH_ADDRESS 171
#define KVM_CAP_ARM_PTRAUTH_GENERIC 172
#define KVM_CAP_PMU_EVENT_FILTER 173
#ifdef KVM_CAP_IRQ_ROUTING
......@@ -1329,6 +1330,8 @@ struct kvm_s390_ucas_mapping {
#define KVM_PPC_GET_RMMU_INFO _IOW(KVMIO, 0xb0, struct kvm_ppc_rmmu_info)
/* Available with KVM_CAP_PPC_GET_CPU_CHAR */
#define KVM_PPC_GET_CPU_CHAR _IOR(KVMIO, 0xb1, struct kvm_ppc_cpu_char)
/* Available with KVM_CAP_PMU_EVENT_FILTER */
#define KVM_SET_PMU_EVENT_FILTER _IOW(KVMIO, 0xb2, struct kvm_pmu_event_filter)
/* ioctl for vm fd */
#define KVM_CREATE_DEVICE _IOWR(KVMIO, 0xe0, struct kvm_create_device)
......
......@@ -2,6 +2,8 @@
#ifndef _UAPI_LINUX_SCHED_H
#define _UAPI_LINUX_SCHED_H
#include <linux/types.h>
/*
* cloning flags:
*/
......@@ -31,6 +33,20 @@
#define CLONE_NEWNET 0x40000000 /* New network namespace */
#define CLONE_IO 0x80000000 /* Clone io context */
/*
* Arguments for the clone3 syscall
*/
struct clone_args {
__aligned_u64 flags;
__aligned_u64 pidfd;
__aligned_u64 child_tid;
__aligned_u64 parent_tid;
__aligned_u64 exit_signal;
__aligned_u64 stack;
__aligned_u64 stack_size;
__aligned_u64 tls;
};
/*
* Scheduling policies
*/
......@@ -51,9 +67,21 @@
#define SCHED_FLAG_RESET_ON_FORK 0x01
#define SCHED_FLAG_RECLAIM 0x02
#define SCHED_FLAG_DL_OVERRUN 0x04
#define SCHED_FLAG_KEEP_POLICY 0x08
#define SCHED_FLAG_KEEP_PARAMS 0x10
#define SCHED_FLAG_UTIL_CLAMP_MIN 0x20
#define SCHED_FLAG_UTIL_CLAMP_MAX 0x40
#define SCHED_FLAG_KEEP_ALL (SCHED_FLAG_KEEP_POLICY | \
SCHED_FLAG_KEEP_PARAMS)
#define SCHED_FLAG_UTIL_CLAMP (SCHED_FLAG_UTIL_CLAMP_MIN | \
SCHED_FLAG_UTIL_CLAMP_MAX)
#define SCHED_FLAG_ALL (SCHED_FLAG_RESET_ON_FORK | \
SCHED_FLAG_RECLAIM | \
SCHED_FLAG_DL_OVERRUN)
SCHED_FLAG_DL_OVERRUN | \
SCHED_FLAG_KEEP_ALL | \
SCHED_FLAG_UTIL_CLAMP)
#endif /* _UAPI_LINUX_SCHED_H */
......@@ -76,6 +76,26 @@ struct usbdevfs_connectinfo {
unsigned char slow;
};
struct usbdevfs_conninfo_ex {
__u32 size; /* Size of the structure from the kernel's */
/* point of view. Can be used by userspace */
/* to determine how much data can be */
/* used/trusted. */
__u32 busnum; /* USB bus number, as enumerated by the */
/* kernel, the device is connected to. */
__u32 devnum; /* Device address on the bus. */
__u32 speed; /* USB_SPEED_* constants from ch9.h */
__u8 num_ports; /* Number of ports the device is connected */
/* to on the way to the root hub. It may */
/* be bigger than size of 'ports' array so */
/* userspace can detect overflows. */
__u8 ports[7]; /* List of ports on the way from the root */
/* hub to the device. Current limit in */
/* USB specification is 7 tiers (root hub, */
/* 5 intermediate hubs, device), which */
/* gives at most 6 port entries. */
};
#define USBDEVFS_URB_SHORT_NOT_OK 0x01
#define USBDEVFS_URB_ISO_ASAP 0x02
#define USBDEVFS_URB_BULK_CONTINUATION 0x04
......@@ -137,6 +157,7 @@ struct usbdevfs_hub_portinfo {
#define USBDEVFS_CAP_REAP_AFTER_DISCONNECT 0x10
#define USBDEVFS_CAP_MMAP 0x20
#define USBDEVFS_CAP_DROP_PRIVILEGES 0x40
#define USBDEVFS_CAP_CONNINFO_EX 0x80
/* USBDEVFS_DISCONNECT_CLAIM flags & struct */
......@@ -197,5 +218,10 @@ struct usbdevfs_streams {
#define USBDEVFS_FREE_STREAMS _IOR('U', 29, struct usbdevfs_streams)
#define USBDEVFS_DROP_PRIVILEGES _IOW('U', 30, __u32)
#define USBDEVFS_GET_SPEED _IO('U', 31)
/*
* Returns struct usbdevfs_conninfo_ex; length is variable to allow
* extending size of the data returned.
*/
#define USBDEVFS_CONNINFO_EX(len) _IOC(_IOC_READ, 'U', 32, len)
#endif /* _UAPI_LINUX_USBDEVICE_FS_H */
......@@ -10,6 +10,11 @@
#include <stdbool.h>
#include <stddef.h>
#ifdef __GLIBC__
#include <bits/wordsize.h>
#else
#include <bits/reg.h>
#endif
#include "libbpf_internal.h"
static inline size_t hash_bits(size_t h, int bits)
......
......@@ -126,7 +126,7 @@ vendor,family,model,stepping. For example: GenuineIntel,6,69,1
HEADER_TOTAL_MEM = 10,
An uint64_t with the total memory in bytes.
An uint64_t with the total memory in kilobytes.
HEADER_CMDLINE = 11,
......
......@@ -355,6 +355,8 @@
431 common fsconfig __x64_sys_fsconfig
432 common fsmount __x64_sys_fsmount
433 common fspick __x64_sys_fspick
434 common pidfd_open __x64_sys_pidfd_open
435 common clone3 __x64_sys_clone3/ptregs
#
# x32-specific system call numbers start at 512 to avoid cache impact
......
......@@ -3,10 +3,13 @@
[ $# -eq 1 ] && header_dir=$1 || header_dir=tools/include/uapi/linux/
# also as:
# #define USBDEVFS_CONNINFO_EX(len) _IOC(_IOC_READ, 'U', 32, len)
printf "static const char *usbdevfs_ioctl_cmds[] = {\n"
regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)[[:space:]]+_IO[WR]{0,2}\([[:space:]]*'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
egrep $regex ${header_dir}/usbdevice_fs.h | egrep -v 'USBDEVFS_\w+32[[:space:]]' | \
sed -r "s/$regex/\2 \1/g" | \
regex="^#[[:space:]]*define[[:space:]]+USBDEVFS_(\w+)(\(\w+\))?[[:space:]]+_IO[CWR]{0,2}\([[:space:]]*(_IOC_\w+,[[:space:]]*)?'U'[[:space:]]*,[[:space:]]*([[:digit:]]+).*"
egrep "$regex" ${header_dir}/usbdevice_fs.h | egrep -v 'USBDEVFS_\w+32[[:space:]]' | \
sed -r "s/$regex/\4 \1/g" | \
sort | xargs printf "\t[%s] = \"%s\",\n"
printf "};\n\n"
printf "#if 0\n"
......
......@@ -3559,6 +3559,13 @@ int perf_session__read_header(struct perf_session *session)
data->file.path);
}
if (f_header.attr_size == 0) {
pr_err("ERROR: The %s file's attr size field is 0 which is unexpected.\n"
"Was the 'perf record' command properly terminated?\n",
data->file.path);
return -EINVAL;
}
nr_attrs = f_header.attrs.size / f_header.attr_size;
lseek(fd, f_header.attrs.offset, SEEK_SET);
......@@ -3639,7 +3646,7 @@ int perf_event__synthesize_attr(struct perf_tool *tool,
size += sizeof(struct perf_event_header);
size += ids * sizeof(u64);
ev = malloc(size);
ev = zalloc(size);
if (ev == NULL)
return -ENOMEM;
......
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