/* SPDX-License-Identifier: GPL-2.0 */#ifndef __PERF_MACHINE_H#define __PERF_MACHINE_H #include <sys/types.h>#include <linux/rbtree.h>#include "maps.h"#include "dsos.h"#include "rwsem.h" struct addr_location;struct branch_stack;struct dso;struct dso_id;struct evsel;struct perf_sample;struct symbol;struct target;struct thread;union perf_event; /* Native host kernel uses -1 as pid index in machine */#define	HOST_KERNEL_ID			(-1)#define	DEFAULT_GUEST_KERNEL_ID		(0) extern const char *ref_reloc_sym_names[]; struct vdso_info; #define THREADS__TABLE_BITS	8#define THREADS__TABLE_SIZE	(1 << THREADS__TABLE_BITS) struct threads {	struct rb_root_cached  entries;	struct rw_semaphore    lock;	unsigned int	       nr;	struct list_head       dead;	struct thread	       *last_match;}; struct machine {	struct rb_node	  rb_node;	pid_t		  pid;	u16		  id_hdr_size;	bool		  comm_exec;	bool		  kptr_restrict_warned;	bool		  single_address_space;	char		  *root_dir;	char		  *mmap_name;	struct threads    threads[THREADS__TABLE_SIZE];	struct vdso_info  *vdso_info;	struct perf_env   *env;	struct dsos	  dsos;	struct maps	  kmaps;	struct map	  *vmlinux_map;	u64		  kernel_start;	pid_t		  *current_tid;	union { /* Tool specific area */		void	  *priv;		u64	  db_id;	};	bool		  trampolines_mapped;}; static inline struct threads *machine__threads(struct machine *machine, pid_t tid){	/* Cast it to handle tid == -1 */	return &machine->threads[(unsigned int)tid % THREADS__TABLE_SIZE];} /* * The main kernel (vmlinux) map */static inlinestruct map *machine__kernel_map(struct machine *machine){	return machine->vmlinux_map;} /* * kernel (the one returned by machine__kernel_map()) plus kernel modules maps */static inlinestruct maps *machine__kernel_maps(struct machine *machine){	return &machine->kmaps;} int machine__get_kernel_start(struct machine *machine); static inline u64 machine__kernel_start(struct machine *machine){	if (!machine->kernel_start)		machine__get_kernel_start(machine);	return machine->kernel_start;} static inline bool machine__kernel_ip(struct machine *machine, u64 ip){	u64 kernel_start = machine__kernel_start(machine); 	return ip >= kernel_start;} u8 machine__addr_cpumode(struct machine *machine, u8 cpumode, u64 addr); struct thread *machine__find_thread(struct machine *machine, pid_t pid,				    pid_t tid);struct comm *machine__thread_exec_comm(struct machine *machine,				       struct thread *thread); int machine__process_comm_event(struct machine *machine, union perf_event *event,				struct perf_sample *sample);int machine__process_exit_event(struct machine *machine, union perf_event *event,				struct perf_sample *sample);int machine__process_fork_event(struct machine *machine, union perf_event *event,				struct perf_sample *sample);int machine__process_lost_event(struct machine *machine, union perf_event *event,				struct perf_sample *sample);int machine__process_lost_samples_event(struct machine *machine, union perf_event *event,					struct perf_sample *sample);int machine__process_aux_event(struct machine *machine,			       union perf_event *event);int machine__process_itrace_start_event(struct machine *machine,					union perf_event *event);int machine__process_switch_event(struct machine *machine,				  union perf_event *event);int machine__process_namespaces_event(struct machine *machine,				      union perf_event *event,				      struct perf_sample *sample);int machine__process_cgroup_event(struct machine *machine,				  union perf_event *event,				  struct perf_sample *sample);int machine__process_mmap_event(struct machine *machine, union perf_event *event,				struct perf_sample *sample);int machine__process_mmap2_event(struct machine *machine, union perf_event *event,				 struct perf_sample *sample);int machine__process_ksymbol(struct machine *machine,			     union perf_event *event,			     struct perf_sample *sample);int machine__process_text_poke(struct machine *machine,			       union perf_event *event,			       struct perf_sample *sample);int machine__process_event(struct machine *machine, union perf_event *event,				struct perf_sample *sample); typedef void (*machine__process_t)(struct machine *machine, void *data); struct machines {	struct machine host;	struct rb_root_cached guests;}; void machines__init(struct machines *machines);void machines__exit(struct machines *machines); void machines__process_guests(struct machines *machines,			      machine__process_t process, void *data); struct machine *machines__add(struct machines *machines, pid_t pid,			      const char *root_dir);struct machine *machines__find_host(struct machines *machines);struct machine *machines__find(struct machines *machines, pid_t pid);struct machine *machines__findnew(struct machines *machines, pid_t pid); void machines__set_id_hdr_size(struct machines *machines, u16 id_hdr_size);void machines__set_comm_exec(struct machines *machines, bool comm_exec); struct machine *machine__new_host(void);struct machine *machine__new_kallsyms(void);int machine__init(struct machine *machine, const char *root_dir, pid_t pid);void machine__exit(struct machine *machine);void machine__delete_threads(struct machine *machine);void machine__delete(struct machine *machine);void machine__remove_thread(struct machine *machine, struct thread *th); struct branch_info *sample__resolve_bstack(struct perf_sample *sample,					   struct addr_location *al);struct mem_info *sample__resolve_mem(struct perf_sample *sample,				     struct addr_location *al); struct callchain_cursor; int thread__resolve_callchain(struct thread *thread,			      struct callchain_cursor *cursor,			      struct evsel *evsel,			      struct perf_sample *sample,			      struct symbol **parent,			      struct addr_location *root_al,			      int max_stack); /* * Default guest kernel is defined by parameter --guestkallsyms * and --guestmodules */static inline bool machine__is_default_guest(struct machine *machine){	return machine ? machine->pid == DEFAULT_GUEST_KERNEL_ID : false;} static inline bool machine__is_host(struct machine *machine){	return machine ? machine->pid == HOST_KERNEL_ID : false;} bool machine__is(struct machine *machine, const char *arch);int machine__nr_cpus_avail(struct machine *machine); struct thread *__machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid);struct thread *machine__findnew_thread(struct machine *machine, pid_t pid, pid_t tid); struct dso *machine__findnew_dso_id(struct machine *machine, const char *filename, struct dso_id *id);struct dso *machine__findnew_dso(struct machine *machine, const char *filename); size_t machine__fprintf(struct machine *machine, FILE *fp); static inlinestruct symbol *machine__find_kernel_symbol(struct machine *machine, u64 addr,					   struct map **mapp){	return maps__find_symbol(&machine->kmaps, addr, mapp);} static inlinestruct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,						   const char *name,						   struct map **mapp){	return maps__find_symbol_by_name(&machine->kmaps, name, mapp);} int arch__fix_module_text_start(u64 *start, u64 *size, const char *name); int machine__load_kallsyms(struct machine *machine, const char *filename); int machine__load_vmlinux_path(struct machine *machine); size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp,				     bool (skip)(struct dso *dso, int parm), int parm);size_t machines__fprintf_dsos(struct machines *machines, FILE *fp);size_t machines__fprintf_dsos_buildid(struct machines *machines, FILE *fp,				     bool (skip)(struct dso *dso, int parm), int parm); void machine__destroy_kernel_maps(struct machine *machine);int machine__create_kernel_maps(struct machine *machine); int machines__create_kernel_maps(struct machines *machines, pid_t pid);int machines__create_guest_kernel_maps(struct machines *machines);void machines__destroy_kernel_maps(struct machines *machines); size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); int machine__for_each_thread(struct machine *machine,			     int (*fn)(struct thread *thread, void *p),			     void *priv);int machines__for_each_thread(struct machines *machines,			      int (*fn)(struct thread *thread, void *p),			      void *priv); pid_t machine__get_current_tid(struct machine *machine, int cpu);int machine__set_current_tid(struct machine *machine, int cpu, pid_t pid,			     pid_t tid);/* * For use with libtraceevent's tep_set_function_resolver() */char *machine__resolve_kernel_addr(void *vmachine, unsigned long long *addrp, char **modp); void machine__get_kallsyms_filename(struct machine *machine, char *buf,				    size_t bufsz); int machine__create_extra_kernel_maps(struct machine *machine,				      struct dso *kernel); /* Kernel-space maps for symbols that are outside the main kernel map and module maps */struct extra_kernel_map {	u64 start;	u64 end;	u64 pgoff;	char name[KMAP_NAME_LEN];}; int machine__create_extra_kernel_map(struct machine *machine,				     struct dso *kernel,				     struct extra_kernel_map *xm); int machine__map_x86_64_entry_trampolines(struct machine *machine,					  struct dso *kernel); #endif /* __PERF_MACHINE_H */