UAPI: (Scripted) Disintegrate include/linux

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>

1 files changed, 1 insertions, 599 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index b4166cdfa7a2..2e902359aee5 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -14,606 +14,9 @@
 #ifndef _LINUX_PERF_EVENT_H
 #define _LINUX_PERF_EVENT_H
 
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <asm/byteorder.h>
+#include <uapi/linux/perf_event.h>
 
 /*
- * User-space ABI bits:
- */
-
-/*
- * attr.type
- */
-enum perf_type_id {
-	PERF_TYPE_HARDWARE			= 0,
-	PERF_TYPE_SOFTWARE			= 1,
-	PERF_TYPE_TRACEPOINT			= 2,
-	PERF_TYPE_HW_CACHE			= 3,
-	PERF_TYPE_RAW				= 4,
-	PERF_TYPE_BREAKPOINT			= 5,
-
-	PERF_TYPE_MAX,				/* non-ABI */
-};
-
-/*
- * Generalized performance event event_id types, used by the
- * attr.event_id parameter of the sys_perf_event_open()
- * syscall:
- */
-enum perf_hw_id {
-	/*
-	 * Common hardware events, generalized by the kernel:
-	 */
-	PERF_COUNT_HW_CPU_CYCLES		= 0,
-	PERF_COUNT_HW_INSTRUCTIONS		= 1,
-	PERF_COUNT_HW_CACHE_REFERENCES		= 2,
-	PERF_COUNT_HW_CACHE_MISSES		= 3,
-	PERF_COUNT_HW_BRANCH_INSTRUCTIONS	= 4,
-	PERF_COUNT_HW_BRANCH_MISSES		= 5,
-	PERF_COUNT_HW_BUS_CYCLES		= 6,
-	PERF_COUNT_HW_STALLED_CYCLES_FRONTEND	= 7,
-	PERF_COUNT_HW_STALLED_CYCLES_BACKEND	= 8,
-	PERF_COUNT_HW_REF_CPU_CYCLES		= 9,
-
-	PERF_COUNT_HW_MAX,			/* non-ABI */
-};
-
-/*
- * Generalized hardware cache events:
- *
- *       { L1-D, L1-I, LLC, ITLB, DTLB, BPU, NODE } x
- *       { read, write, prefetch } x
- *       { accesses, misses }
- */
-enum perf_hw_cache_id {
-	PERF_COUNT_HW_CACHE_L1D			= 0,
-	PERF_COUNT_HW_CACHE_L1I			= 1,
-	PERF_COUNT_HW_CACHE_LL			= 2,
-	PERF_COUNT_HW_CACHE_DTLB		= 3,
-	PERF_COUNT_HW_CACHE_ITLB		= 4,
-	PERF_COUNT_HW_CACHE_BPU			= 5,
-	PERF_COUNT_HW_CACHE_NODE		= 6,
-
-	PERF_COUNT_HW_CACHE_MAX,		/* non-ABI */
-};
-
-enum perf_hw_cache_op_id {
-	PERF_COUNT_HW_CACHE_OP_READ		= 0,
-	PERF_COUNT_HW_CACHE_OP_WRITE		= 1,
-	PERF_COUNT_HW_CACHE_OP_PREFETCH		= 2,
-
-	PERF_COUNT_HW_CACHE_OP_MAX,		/* non-ABI */
-};
-
-enum perf_hw_cache_op_result_id {
-	PERF_COUNT_HW_CACHE_RESULT_ACCESS	= 0,
-	PERF_COUNT_HW_CACHE_RESULT_MISS		= 1,
-
-	PERF_COUNT_HW_CACHE_RESULT_MAX,		/* non-ABI */
-};
-
-/*
- * Special "software" events provided by the kernel, even if the hardware
- * does not support performance events. These events measure various
- * physical and sw events of the kernel (and allow the profiling of them as
- * well):
- */
-enum perf_sw_ids {
-	PERF_COUNT_SW_CPU_CLOCK			= 0,
-	PERF_COUNT_SW_TASK_CLOCK		= 1,
-	PERF_COUNT_SW_PAGE_FAULTS		= 2,
-	PERF_COUNT_SW_CONTEXT_SWITCHES		= 3,
-	PERF_COUNT_SW_CPU_MIGRATIONS		= 4,
-	PERF_COUNT_SW_PAGE_FAULTS_MIN		= 5,
-	PERF_COUNT_SW_PAGE_FAULTS_MAJ		= 6,
-	PERF_COUNT_SW_ALIGNMENT_FAULTS		= 7,
-	PERF_COUNT_SW_EMULATION_FAULTS		= 8,
-
-	PERF_COUNT_SW_MAX,			/* non-ABI */
-};
-
-/*
- * Bits that can be set in attr.sample_type to request information
- * in the overflow packets.
- */
-enum perf_event_sample_format {
-	PERF_SAMPLE_IP				= 1U << 0,
-	PERF_SAMPLE_TID				= 1U << 1,
-	PERF_SAMPLE_TIME			= 1U << 2,
-	PERF_SAMPLE_ADDR			= 1U << 3,
-	PERF_SAMPLE_READ			= 1U << 4,
-	PERF_SAMPLE_CALLCHAIN			= 1U << 5,
-	PERF_SAMPLE_ID				= 1U << 6,
-	PERF_SAMPLE_CPU				= 1U << 7,
-	PERF_SAMPLE_PERIOD			= 1U << 8,
-	PERF_SAMPLE_STREAM_ID			= 1U << 9,
-	PERF_SAMPLE_RAW				= 1U << 10,
-	PERF_SAMPLE_BRANCH_STACK		= 1U << 11,
-	PERF_SAMPLE_REGS_USER			= 1U << 12,
-	PERF_SAMPLE_STACK_USER			= 1U << 13,
-
-	PERF_SAMPLE_MAX = 1U << 14,		/* non-ABI */
-};
-
-/*
- * values to program into branch_sample_type when PERF_SAMPLE_BRANCH is set
- *
- * If the user does not pass priv level information via branch_sample_type,
- * the kernel uses the event's priv level. Branch and event priv levels do
- * not have to match. Branch priv level is checked for permissions.
- *
- * The branch types can be combined, however BRANCH_ANY covers all types
- * of branches and therefore it supersedes all the other types.
- */
-enum perf_branch_sample_type {
-	PERF_SAMPLE_BRANCH_USER		= 1U << 0, /* user branches */
-	PERF_SAMPLE_BRANCH_KERNEL	= 1U << 1, /* kernel branches */
-	PERF_SAMPLE_BRANCH_HV		= 1U << 2, /* hypervisor branches */
-
-	PERF_SAMPLE_BRANCH_ANY		= 1U << 3, /* any branch types */
-	PERF_SAMPLE_BRANCH_ANY_CALL	= 1U << 4, /* any call branch */
-	PERF_SAMPLE_BRANCH_ANY_RETURN	= 1U << 5, /* any return branch */
-	PERF_SAMPLE_BRANCH_IND_CALL	= 1U << 6, /* indirect calls */
-
-	PERF_SAMPLE_BRANCH_MAX		= 1U << 7, /* non-ABI */
-};
-
-#define PERF_SAMPLE_BRANCH_PLM_ALL \
-	(PERF_SAMPLE_BRANCH_USER|\
-	 PERF_SAMPLE_BRANCH_KERNEL|\
-	 PERF_SAMPLE_BRANCH_HV)
-
-/*
- * Values to determine ABI of the registers dump.
- */
-enum perf_sample_regs_abi {
-	PERF_SAMPLE_REGS_ABI_NONE	= 0,
-	PERF_SAMPLE_REGS_ABI_32		= 1,
-	PERF_SAMPLE_REGS_ABI_64		= 2,
-};
-
-/*
- * The format of the data returned by read() on a perf event fd,
- * as specified by attr.read_format:
- *
- * struct read_format {
- *	{ u64		value;
- *	  { u64		time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED
- *	  { u64		time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING
- *	  { u64		id;           } && PERF_FORMAT_ID
- *	} && !PERF_FORMAT_GROUP
- *
- *	{ u64		nr;
- *	  { u64		time_enabled; } && PERF_FORMAT_TOTAL_TIME_ENABLED
- *	  { u64		time_running; } && PERF_FORMAT_TOTAL_TIME_RUNNING
- *	  { u64		value;
- *	    { u64	id;           } && PERF_FORMAT_ID
- *	  }		cntr[nr];
- *	} && PERF_FORMAT_GROUP
- * };
- */
-enum perf_event_read_format {
-	PERF_FORMAT_TOTAL_TIME_ENABLED		= 1U << 0,
-	PERF_FORMAT_TOTAL_TIME_RUNNING		= 1U << 1,
-	PERF_FORMAT_ID				= 1U << 2,
-	PERF_FORMAT_GROUP			= 1U << 3,
-
-	PERF_FORMAT_MAX = 1U << 4,		/* non-ABI */
-};
-
-#define PERF_ATTR_SIZE_VER0	64	/* sizeof first published struct */
-#define PERF_ATTR_SIZE_VER1	72	/* add: config2 */
-#define PERF_ATTR_SIZE_VER2	80	/* add: branch_sample_type */
-#define PERF_ATTR_SIZE_VER3	96	/* add: sample_regs_user */
-					/* add: sample_stack_user */
-
-/*
- * Hardware event_id to monitor via a performance monitoring event:
- */
-struct perf_event_attr {
-
-	/*
-	 * Major type: hardware/software/tracepoint/etc.
-	 */
-	__u32			type;
-
-	/*
-	 * Size of the attr structure, for fwd/bwd compat.
-	 */
-	__u32			size;
-
-	/*
-	 * Type specific configuration information.
-	 */
-	__u64			config;
-
-	union {
-		__u64		sample_period;
-		__u64		sample_freq;
-	};
-
-	__u64			sample_type;
-	__u64			read_format;
-
-	__u64			disabled       :  1, /* off by default        */
-				inherit	       :  1, /* children inherit it   */
-				pinned	       :  1, /* must always be on PMU */
-				exclusive      :  1, /* only group on PMU     */
-				exclude_user   :  1, /* don't count user      */
-				exclude_kernel :  1, /* ditto kernel          */
-				exclude_hv     :  1, /* ditto hypervisor      */
-				exclude_idle   :  1, /* don't count when idle */
-				mmap           :  1, /* include mmap data     */
-				comm	       :  1, /* include comm data     */
-				freq           :  1, /* use freq, not period  */
-				inherit_stat   :  1, /* per task counts       */
-				enable_on_exec :  1, /* next exec enables     */
-				task           :  1, /* trace fork/exit       */
-				watermark      :  1, /* wakeup_watermark      */
-				/*
-				 * precise_ip:
-				 *
-				 *  0 - SAMPLE_IP can have arbitrary skid
-				 *  1 - SAMPLE_IP must have constant skid
-				 *  2 - SAMPLE_IP requested to have 0 skid
-				 *  3 - SAMPLE_IP must have 0 skid
-				 *
-				 *  See also PERF_RECORD_MISC_EXACT_IP
-				 */
-				precise_ip     :  2, /* skid constraint       */
-				mmap_data      :  1, /* non-exec mmap data    */
-				sample_id_all  :  1, /* sample_type all events */
-
-				exclude_host   :  1, /* don't count in host   */
-				exclude_guest  :  1, /* don't count in guest  */
-
-				exclude_callchain_kernel : 1, /* exclude kernel callchains */
-				exclude_callchain_user   : 1, /* exclude user callchains */
-
-				__reserved_1   : 41;
-
-	union {
-		__u32		wakeup_events;	  /* wakeup every n events */
-		__u32		wakeup_watermark; /* bytes before wakeup   */
-	};
-
-	__u32			bp_type;
-	union {
-		__u64		bp_addr;
-		__u64		config1; /* extension of config */
-	};
-	union {
-		__u64		bp_len;
-		__u64		config2; /* extension of config1 */
-	};
-	__u64	branch_sample_type; /* enum perf_branch_sample_type */
-
-	/*
-	 * Defines set of user regs to dump on samples.
-	 * See asm/perf_regs.h for details.
-	 */
-	__u64	sample_regs_user;
-
-	/*
-	 * Defines size of the user stack to dump on samples.
-	 */
-	__u32	sample_stack_user;
-
-	/* Align to u64. */
-	__u32	__reserved_2;
-};
-
-#define perf_flags(attr)	(*(&(attr)->read_format + 1))
-
-/*
- * Ioctls that can be done on a perf event fd:
- */
-#define PERF_EVENT_IOC_ENABLE		_IO ('$', 0)
-#define PERF_EVENT_IOC_DISABLE		_IO ('$', 1)
-#define PERF_EVENT_IOC_REFRESH		_IO ('$', 2)
-#define PERF_EVENT_IOC_RESET		_IO ('$', 3)
-#define PERF_EVENT_IOC_PERIOD		_IOW('$', 4, __u64)
-#define PERF_EVENT_IOC_SET_OUTPUT	_IO ('$', 5)
-#define PERF_EVENT_IOC_SET_FILTER	_IOW('$', 6, char *)
-
-enum perf_event_ioc_flags {
-	PERF_IOC_FLAG_GROUP		= 1U << 0,
-};
-
-/*
- * Structure of the page that can be mapped via mmap
- */
-struct perf_event_mmap_page {
-	__u32	version;		/* version number of this structure */
-	__u32	compat_version;		/* lowest version this is compat with */
-
-	/*
-	 * Bits needed to read the hw events in user-space.
-	 *
-	 *   u32 seq, time_mult, time_shift, idx, width;
-	 *   u64 count, enabled, running;
-	 *   u64 cyc, time_offset;
-	 *   s64 pmc = 0;
-	 *
-	 *   do {
-	 *     seq = pc->lock;
-	 *     barrier()
-	 *
-	 *     enabled = pc->time_enabled;
-	 *     running = pc->time_running;
-	 *
-	 *     if (pc->cap_usr_time && enabled != running) {
-	 *       cyc = rdtsc();
-	 *       time_offset = pc->time_offset;
-	 *       time_mult   = pc->time_mult;
-	 *       time_shift  = pc->time_shift;
-	 *     }
-	 *
-	 *     idx = pc->index;
-	 *     count = pc->offset;
-	 *     if (pc->cap_usr_rdpmc && idx) {
-	 *       width = pc->pmc_width;
-	 *       pmc = rdpmc(idx - 1);
-	 *     }
-	 *
-	 *     barrier();
-	 *   } while (pc->lock != seq);
-	 *
-	 * NOTE: for obvious reason this only works on self-monitoring
-	 *       processes.
-	 */
-	__u32	lock;			/* seqlock for synchronization */
-	__u32	index;			/* hardware event identifier */
-	__s64	offset;			/* add to hardware event value */
-	__u64	time_enabled;		/* time event active */
-	__u64	time_running;		/* time event on cpu */
-	union {
-		__u64	capabilities;
-		__u64	cap_usr_time  : 1,
-			cap_usr_rdpmc : 1,
-			cap_____res   : 62;
-	};
-
-	/*
-	 * If cap_usr_rdpmc this field provides the bit-width of the value
-	 * read using the rdpmc() or equivalent instruction. This can be used
-	 * to sign extend the result like:
-	 *
-	 *   pmc <<= 64 - width;
-	 *   pmc >>= 64 - width; // signed shift right
-	 *   count += pmc;
-	 */
-	__u16	pmc_width;
-
-	/*
-	 * If cap_usr_time the below fields can be used to compute the time
-	 * delta since time_enabled (in ns) using rdtsc or similar.
-	 *
-	 *   u64 quot, rem;
-	 *   u64 delta;
-	 *
-	 *   quot = (cyc >> time_shift);
-	 *   rem = cyc & ((1 << time_shift) - 1);
-	 *   delta = time_offset + quot * time_mult +
-	 *              ((rem * time_mult) >> time_shift);
-	 *
-	 * Where time_offset,time_mult,time_shift and cyc are read in the
-	 * seqcount loop described above. This delta can then be added to
-	 * enabled and possible running (if idx), improving the scaling:
-	 *
-	 *   enabled += delta;
-	 *   if (idx)
-	 *     running += delta;
-	 *
-	 *   quot = count / running;
-	 *   rem  = count % running;
-	 *   count = quot * enabled + (rem * enabled) / running;
-	 */
-	__u16	time_shift;
-	__u32	time_mult;
-	__u64	time_offset;
-
-		/*
-		 * Hole for extension of the self monitor capabilities
-		 */
-
-	__u64	__reserved[120];	/* align to 1k */
-
-	/*
-	 * Control data for the mmap() data buffer.
-	 *
-	 * User-space reading the @data_head value should issue an rmb(), on
-	 * SMP capable platforms, after reading this value -- see
-	 * perf_event_wakeup().
-	 *
-	 * When the mapping is PROT_WRITE the @data_tail value should be
-	 * written by userspace to reflect the last read data. In this case
-	 * the kernel will not over-write unread data.
-	 */
-	__u64   data_head;		/* head in the data section */
-	__u64	data_tail;		/* user-space written tail */
-};
-
-#define PERF_RECORD_MISC_CPUMODE_MASK		(7 << 0)
-#define PERF_RECORD_MISC_CPUMODE_UNKNOWN	(0 << 0)
-#define PERF_RECORD_MISC_KERNEL			(1 << 0)
-#define PERF_RECORD_MISC_USER			(2 << 0)
-#define PERF_RECORD_MISC_HYPERVISOR		(3 << 0)
-#define PERF_RECORD_MISC_GUEST_KERNEL		(4 << 0)
-#define PERF_RECORD_MISC_GUEST_USER		(5 << 0)
-
-/*
- * Indicates that the content of PERF_SAMPLE_IP points to
- * the actual instruction that triggered the event. See also
- * perf_event_attr::precise_ip.
- */
-#define PERF_RECORD_MISC_EXACT_IP		(1 << 14)
-/*
- * Reserve the last bit to indicate some extended misc field
- */
-#define PERF_RECORD_MISC_EXT_RESERVED		(1 << 15)
-
-struct perf_event_header {
-	__u32	type;
-	__u16	misc;
-	__u16	size;
-};
-
-enum perf_event_type {
-
-	/*
-	 * If perf_event_attr.sample_id_all is set then all event types will
-	 * have the sample_type selected fields related to where/when
-	 * (identity) an event took place (TID, TIME, ID, CPU, STREAM_ID)
-	 * described in PERF_RECORD_SAMPLE below, it will be stashed just after
-	 * the perf_event_header and the fields already present for the existing
-	 * fields, i.e. at the end of the payload. That way a newer perf.data
-	 * file will be supported by older perf tools, with these new optional
-	 * fields being ignored.
-	 *
-	 * The MMAP events record the PROT_EXEC mappings so that we can
-	 * correlate userspace IPs to code. They have the following structure:
-	 *
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *
-	 *	u32				pid, tid;
-	 *	u64				addr;
-	 *	u64				len;
-	 *	u64				pgoff;
-	 *	char				filename[];
-	 * };
-	 */
-	PERF_RECORD_MMAP			= 1,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u64				id;
-	 *	u64				lost;
-	 * };
-	 */
-	PERF_RECORD_LOST			= 2,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *
-	 *	u32				pid, tid;
-	 *	char				comm[];
-	 * };
-	 */
-	PERF_RECORD_COMM			= 3,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u32				pid, ppid;
-	 *	u32				tid, ptid;
-	 *	u64				time;
-	 * };
-	 */
-	PERF_RECORD_EXIT			= 4,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u64				time;
-	 *	u64				id;
-	 *	u64				stream_id;
-	 * };
-	 */
-	PERF_RECORD_THROTTLE			= 5,
-	PERF_RECORD_UNTHROTTLE			= 6,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u32				pid, ppid;
-	 *	u32				tid, ptid;
-	 *	u64				time;
-	 * };
-	 */
-	PERF_RECORD_FORK			= 7,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u32				pid, tid;
-	 *
-	 *	struct read_format		values;
-	 * };
-	 */
-	PERF_RECORD_READ			= 8,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *
-	 *	{ u64			ip;	  } && PERF_SAMPLE_IP
-	 *	{ u32			pid, tid; } && PERF_SAMPLE_TID
-	 *	{ u64			time;     } && PERF_SAMPLE_TIME
-	 *	{ u64			addr;     } && PERF_SAMPLE_ADDR
-	 *	{ u64			id;	  } && PERF_SAMPLE_ID
-	 *	{ u64			stream_id;} && PERF_SAMPLE_STREAM_ID
-	 *	{ u32			cpu, res; } && PERF_SAMPLE_CPU
-	 *	{ u64			period;   } && PERF_SAMPLE_PERIOD
-	 *
-	 *	{ struct read_format	values;	  } && PERF_SAMPLE_READ
-	 *
-	 *	{ u64			nr,
-	 *	  u64			ips[nr];  } && PERF_SAMPLE_CALLCHAIN
-	 *
-	 *	#
-	 *	# The RAW record below is opaque data wrt the ABI
-	 *	#
-	 *	# That is, the ABI doesn't make any promises wrt to
-	 *	# the stability of its content, it may vary depending
-	 *	# on event, hardware, kernel version and phase of
-	 *	# the moon.
-	 *	#
-	 *	# In other words, PERF_SAMPLE_RAW contents are not an ABI.
-	 *	#
-	 *
-	 *	{ u32			size;
-	 *	  char                  data[size];}&& PERF_SAMPLE_RAW
-	 *
-	 *	{ u64 from, to, flags } lbr[nr];} && PERF_SAMPLE_BRANCH_STACK
-	 *
-	 * 	{ u64			abi; # enum perf_sample_regs_abi
-	 * 	  u64			regs[weight(mask)]; } && PERF_SAMPLE_REGS_USER
-	 *
-	 * 	{ u64			size;
-	 * 	  char			data[size];
-	 * 	  u64			dyn_size; } && PERF_SAMPLE_STACK_USER
-	 * };
-	 */
-	PERF_RECORD_SAMPLE			= 9,
-
-	PERF_RECORD_MAX,			/* non-ABI */
-};
-
-#define PERF_MAX_STACK_DEPTH		127
-
-enum perf_callchain_context {
-	PERF_CONTEXT_HV			= (__u64)-32,
-	PERF_CONTEXT_KERNEL		= (__u64)-128,
-	PERF_CONTEXT_USER		= (__u64)-512,
-
-	PERF_CONTEXT_GUEST		= (__u64)-2048,
-	PERF_CONTEXT_GUEST_KERNEL	= (__u64)-2176,
-	PERF_CONTEXT_GUEST_USER		= (__u64)-2560,
-
-	PERF_CONTEXT_MAX		= (__u64)-4095,
-};
-
-#define PERF_FLAG_FD_NO_GROUP		(1U << 0)
-#define PERF_FLAG_FD_OUTPUT		(1U << 1)
-#define PERF_FLAG_PID_CGROUP		(1U << 2) /* pid=cgroup id, per-cpu mode only */
-
-#ifdef __KERNEL__
-/*
  * Kernel-internal data types and definitions:
  */
 
@@ -1422,5 +825,4 @@ _name##_show(struct device *dev,					\
 									\
 static struct device_attribute format_attr_##_name = __ATTR_RO(_name)
 
-#endif /* __KERNEL__ */
 #endif /* _LINUX_PERF_EVENT_H */