mirror of
https://github.com/xemu-project/xemu.git
synced 2024-06-02 20:18:25 -04:00
52581c718c
Header guard symbols should match their file name to make guard collisions less likely. Cleaned up with scripts/clean-header-guards.pl, followed by some renaming of new guard symbols picked by the script to better ones. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20220506134911.2856099-2-armbru@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> [Change to generated file ebpf/rss.bpf.skeleton.h backed out]
629 lines
21 KiB
C
629 lines
21 KiB
C
/*
|
|
* Copyright (C) 2017, Emilio G. Cota <cota@braap.org>
|
|
* Copyright (C) 2019, Linaro
|
|
*
|
|
* License: GNU GPL, version 2 or later.
|
|
* See the COPYING file in the top-level directory.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-or-later
|
|
*/
|
|
|
|
#ifndef QEMU_QEMU_PLUGIN_H
|
|
#define QEMU_QEMU_PLUGIN_H
|
|
|
|
#include <inttypes.h>
|
|
#include <stdbool.h>
|
|
#include <stddef.h>
|
|
|
|
/*
|
|
* For best performance, build the plugin with -fvisibility=hidden so that
|
|
* QEMU_PLUGIN_LOCAL is implicit. Then, just mark qemu_plugin_install with
|
|
* QEMU_PLUGIN_EXPORT. For more info, see
|
|
* https://gcc.gnu.org/wiki/Visibility
|
|
*/
|
|
#if defined _WIN32 || defined __CYGWIN__
|
|
#ifdef BUILDING_DLL
|
|
#define QEMU_PLUGIN_EXPORT __declspec(dllexport)
|
|
#else
|
|
#define QEMU_PLUGIN_EXPORT __declspec(dllimport)
|
|
#endif
|
|
#define QEMU_PLUGIN_LOCAL
|
|
#else
|
|
#define QEMU_PLUGIN_EXPORT __attribute__((visibility("default")))
|
|
#define QEMU_PLUGIN_LOCAL __attribute__((visibility("hidden")))
|
|
#endif
|
|
|
|
/**
|
|
* typedef qemu_plugin_id_t - Unique plugin ID
|
|
*/
|
|
typedef uint64_t qemu_plugin_id_t;
|
|
|
|
/*
|
|
* Versioning plugins:
|
|
*
|
|
* The plugin API will pass a minimum and current API version that
|
|
* QEMU currently supports. The minimum API will be incremented if an
|
|
* API needs to be deprecated.
|
|
*
|
|
* The plugins export the API they were built against by exposing the
|
|
* symbol qemu_plugin_version which can be checked.
|
|
*/
|
|
|
|
extern QEMU_PLUGIN_EXPORT int qemu_plugin_version;
|
|
|
|
#define QEMU_PLUGIN_VERSION 1
|
|
|
|
/**
|
|
* struct qemu_info_t - system information for plugins
|
|
*
|
|
* This structure provides for some limited information about the
|
|
* system to allow the plugin to make decisions on how to proceed. For
|
|
* example it might only be suitable for running on some guest
|
|
* architectures or when under full system emulation.
|
|
*/
|
|
typedef struct qemu_info_t {
|
|
/** @target_name: string describing architecture */
|
|
const char *target_name;
|
|
/** @version: minimum and current plugin API level */
|
|
struct {
|
|
int min;
|
|
int cur;
|
|
} version;
|
|
/** @system_emulation: is this a full system emulation? */
|
|
bool system_emulation;
|
|
union {
|
|
/** @system: information relevant to system emulation */
|
|
struct {
|
|
/** @system.smp_vcpus: initial number of vCPUs */
|
|
int smp_vcpus;
|
|
/** @system.max_vcpus: maximum possible number of vCPUs */
|
|
int max_vcpus;
|
|
} system;
|
|
};
|
|
} qemu_info_t;
|
|
|
|
/**
|
|
* qemu_plugin_install() - Install a plugin
|
|
* @id: this plugin's opaque ID
|
|
* @info: a block describing some details about the guest
|
|
* @argc: number of arguments
|
|
* @argv: array of arguments (@argc elements)
|
|
*
|
|
* All plugins must export this symbol which is called when the plugin
|
|
* is first loaded. Calling qemu_plugin_uninstall() from this function
|
|
* is a bug.
|
|
*
|
|
* Note: @info is only live during the call. Copy any information we
|
|
* want to keep. @argv remains valid throughout the lifetime of the
|
|
* loaded plugin.
|
|
*
|
|
* Return: 0 on successful loading, !0 for an error.
|
|
*/
|
|
QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id,
|
|
const qemu_info_t *info,
|
|
int argc, char **argv);
|
|
|
|
/**
|
|
* typedef qemu_plugin_simple_cb_t - simple callback
|
|
* @id: the unique qemu_plugin_id_t
|
|
*
|
|
* This callback passes no information aside from the unique @id.
|
|
*/
|
|
typedef void (*qemu_plugin_simple_cb_t)(qemu_plugin_id_t id);
|
|
|
|
/**
|
|
* typedef qemu_plugin_udata_cb_t - callback with user data
|
|
* @id: the unique qemu_plugin_id_t
|
|
* @userdata: a pointer to some user data supplied when the callback
|
|
* was registered.
|
|
*/
|
|
typedef void (*qemu_plugin_udata_cb_t)(qemu_plugin_id_t id, void *userdata);
|
|
|
|
/**
|
|
* typedef qemu_plugin_vcpu_simple_cb_t - vcpu callback
|
|
* @id: the unique qemu_plugin_id_t
|
|
* @vcpu_index: the current vcpu context
|
|
*/
|
|
typedef void (*qemu_plugin_vcpu_simple_cb_t)(qemu_plugin_id_t id,
|
|
unsigned int vcpu_index);
|
|
|
|
/**
|
|
* typedef qemu_plugin_vcpu_udata_cb_t - vcpu callback
|
|
* @vcpu_index: the current vcpu context
|
|
* @userdata: a pointer to some user data supplied when the callback
|
|
* was registered.
|
|
*/
|
|
typedef void (*qemu_plugin_vcpu_udata_cb_t)(unsigned int vcpu_index,
|
|
void *userdata);
|
|
|
|
/**
|
|
* qemu_plugin_uninstall() - Uninstall a plugin
|
|
* @id: this plugin's opaque ID
|
|
* @cb: callback to be called once the plugin has been removed
|
|
*
|
|
* Do NOT assume that the plugin has been uninstalled once this function
|
|
* returns. Plugins are uninstalled asynchronously, and therefore the given
|
|
* plugin receives callbacks until @cb is called.
|
|
*
|
|
* Note: Calling this function from qemu_plugin_install() is a bug.
|
|
*/
|
|
void qemu_plugin_uninstall(qemu_plugin_id_t id, qemu_plugin_simple_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_reset() - Reset a plugin
|
|
* @id: this plugin's opaque ID
|
|
* @cb: callback to be called once the plugin has been reset
|
|
*
|
|
* Unregisters all callbacks for the plugin given by @id.
|
|
*
|
|
* Do NOT assume that the plugin has been reset once this function returns.
|
|
* Plugins are reset asynchronously, and therefore the given plugin receives
|
|
* callbacks until @cb is called.
|
|
*/
|
|
void qemu_plugin_reset(qemu_plugin_id_t id, qemu_plugin_simple_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_init_cb() - register a vCPU initialization callback
|
|
* @id: plugin ID
|
|
* @cb: callback function
|
|
*
|
|
* The @cb function is called every time a vCPU is initialized.
|
|
*
|
|
* See also: qemu_plugin_register_vcpu_exit_cb()
|
|
*/
|
|
void qemu_plugin_register_vcpu_init_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_simple_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_exit_cb() - register a vCPU exit callback
|
|
* @id: plugin ID
|
|
* @cb: callback function
|
|
*
|
|
* The @cb function is called every time a vCPU exits.
|
|
*
|
|
* See also: qemu_plugin_register_vcpu_init_cb()
|
|
*/
|
|
void qemu_plugin_register_vcpu_exit_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_simple_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_idle_cb() - register a vCPU idle callback
|
|
* @id: plugin ID
|
|
* @cb: callback function
|
|
*
|
|
* The @cb function is called every time a vCPU idles.
|
|
*/
|
|
void qemu_plugin_register_vcpu_idle_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_simple_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_resume_cb() - register a vCPU resume callback
|
|
* @id: plugin ID
|
|
* @cb: callback function
|
|
*
|
|
* The @cb function is called every time a vCPU resumes execution.
|
|
*/
|
|
void qemu_plugin_register_vcpu_resume_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_simple_cb_t cb);
|
|
|
|
/** struct qemu_plugin_tb - Opaque handle for a translation block */
|
|
struct qemu_plugin_tb;
|
|
/** struct qemu_plugin_insn - Opaque handle for a translated instruction */
|
|
struct qemu_plugin_insn;
|
|
|
|
/**
|
|
* enum qemu_plugin_cb_flags - type of callback
|
|
*
|
|
* @QEMU_PLUGIN_CB_NO_REGS: callback does not access the CPU's regs
|
|
* @QEMU_PLUGIN_CB_R_REGS: callback reads the CPU's regs
|
|
* @QEMU_PLUGIN_CB_RW_REGS: callback reads and writes the CPU's regs
|
|
*
|
|
* Note: currently unused, plugins cannot read or change system
|
|
* register state.
|
|
*/
|
|
enum qemu_plugin_cb_flags {
|
|
QEMU_PLUGIN_CB_NO_REGS,
|
|
QEMU_PLUGIN_CB_R_REGS,
|
|
QEMU_PLUGIN_CB_RW_REGS,
|
|
};
|
|
|
|
enum qemu_plugin_mem_rw {
|
|
QEMU_PLUGIN_MEM_R = 1,
|
|
QEMU_PLUGIN_MEM_W,
|
|
QEMU_PLUGIN_MEM_RW,
|
|
};
|
|
|
|
/**
|
|
* typedef qemu_plugin_vcpu_tb_trans_cb_t - translation callback
|
|
* @id: unique plugin id
|
|
* @tb: opaque handle used for querying and instrumenting a block.
|
|
*/
|
|
typedef void (*qemu_plugin_vcpu_tb_trans_cb_t)(qemu_plugin_id_t id,
|
|
struct qemu_plugin_tb *tb);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_tb_trans_cb() - register a translate cb
|
|
* @id: plugin ID
|
|
* @cb: callback function
|
|
*
|
|
* The @cb function is called every time a translation occurs. The @cb
|
|
* function is passed an opaque qemu_plugin_type which it can query
|
|
* for additional information including the list of translated
|
|
* instructions. At this point the plugin can register further
|
|
* callbacks to be triggered when the block or individual instruction
|
|
* executes.
|
|
*/
|
|
void qemu_plugin_register_vcpu_tb_trans_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_tb_trans_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_tb_exec_cb() - register execution callback
|
|
* @tb: the opaque qemu_plugin_tb handle for the translation
|
|
* @cb: callback function
|
|
* @flags: does the plugin read or write the CPU's registers?
|
|
* @userdata: any plugin data to pass to the @cb?
|
|
*
|
|
* The @cb function is called every time a translated unit executes.
|
|
*/
|
|
void qemu_plugin_register_vcpu_tb_exec_cb(struct qemu_plugin_tb *tb,
|
|
qemu_plugin_vcpu_udata_cb_t cb,
|
|
enum qemu_plugin_cb_flags flags,
|
|
void *userdata);
|
|
|
|
/**
|
|
* enum qemu_plugin_op - describes an inline op
|
|
*
|
|
* @QEMU_PLUGIN_INLINE_ADD_U64: add an immediate value uint64_t
|
|
*
|
|
* Note: currently only a single inline op is supported.
|
|
*/
|
|
|
|
enum qemu_plugin_op {
|
|
QEMU_PLUGIN_INLINE_ADD_U64,
|
|
};
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_tb_exec_inline() - execution inline op
|
|
* @tb: the opaque qemu_plugin_tb handle for the translation
|
|
* @op: the type of qemu_plugin_op (e.g. ADD_U64)
|
|
* @ptr: the target memory location for the op
|
|
* @imm: the op data (e.g. 1)
|
|
*
|
|
* Insert an inline op to every time a translated unit executes.
|
|
* Useful if you just want to increment a single counter somewhere in
|
|
* memory.
|
|
*
|
|
* Note: ops are not atomic so in multi-threaded/multi-smp situations
|
|
* you will get inexact results.
|
|
*/
|
|
void qemu_plugin_register_vcpu_tb_exec_inline(struct qemu_plugin_tb *tb,
|
|
enum qemu_plugin_op op,
|
|
void *ptr, uint64_t imm);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_insn_exec_cb() - register insn execution cb
|
|
* @insn: the opaque qemu_plugin_insn handle for an instruction
|
|
* @cb: callback function
|
|
* @flags: does the plugin read or write the CPU's registers?
|
|
* @userdata: any plugin data to pass to the @cb?
|
|
*
|
|
* The @cb function is called every time an instruction is executed
|
|
*/
|
|
void qemu_plugin_register_vcpu_insn_exec_cb(struct qemu_plugin_insn *insn,
|
|
qemu_plugin_vcpu_udata_cb_t cb,
|
|
enum qemu_plugin_cb_flags flags,
|
|
void *userdata);
|
|
|
|
/**
|
|
* qemu_plugin_register_vcpu_insn_exec_inline() - insn execution inline op
|
|
* @insn: the opaque qemu_plugin_insn handle for an instruction
|
|
* @op: the type of qemu_plugin_op (e.g. ADD_U64)
|
|
* @ptr: the target memory location for the op
|
|
* @imm: the op data (e.g. 1)
|
|
*
|
|
* Insert an inline op to every time an instruction executes. Useful
|
|
* if you just want to increment a single counter somewhere in memory.
|
|
*/
|
|
void qemu_plugin_register_vcpu_insn_exec_inline(struct qemu_plugin_insn *insn,
|
|
enum qemu_plugin_op op,
|
|
void *ptr, uint64_t imm);
|
|
|
|
/**
|
|
* qemu_plugin_tb_n_insns() - query helper for number of insns in TB
|
|
* @tb: opaque handle to TB passed to callback
|
|
*
|
|
* Returns: number of instructions in this block
|
|
*/
|
|
size_t qemu_plugin_tb_n_insns(const struct qemu_plugin_tb *tb);
|
|
|
|
/**
|
|
* qemu_plugin_tb_vaddr() - query helper for vaddr of TB start
|
|
* @tb: opaque handle to TB passed to callback
|
|
*
|
|
* Returns: virtual address of block start
|
|
*/
|
|
uint64_t qemu_plugin_tb_vaddr(const struct qemu_plugin_tb *tb);
|
|
|
|
/**
|
|
* qemu_plugin_tb_get_insn() - retrieve handle for instruction
|
|
* @tb: opaque handle to TB passed to callback
|
|
* @idx: instruction number, 0 indexed
|
|
*
|
|
* The returned handle can be used in follow up helper queries as well
|
|
* as when instrumenting an instruction. It is only valid for the
|
|
* lifetime of the callback.
|
|
*
|
|
* Returns: opaque handle to instruction
|
|
*/
|
|
struct qemu_plugin_insn *
|
|
qemu_plugin_tb_get_insn(const struct qemu_plugin_tb *tb, size_t idx);
|
|
|
|
/**
|
|
* qemu_plugin_insn_data() - return ptr to instruction data
|
|
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
|
*
|
|
* Note: data is only valid for duration of callback. See
|
|
* qemu_plugin_insn_size() to calculate size of stream.
|
|
*
|
|
* Returns: pointer to a stream of bytes containing the value of this
|
|
* instructions opcode.
|
|
*/
|
|
const void *qemu_plugin_insn_data(const struct qemu_plugin_insn *insn);
|
|
|
|
/**
|
|
* qemu_plugin_insn_size() - return size of instruction
|
|
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
|
*
|
|
* Returns: size of instruction in bytes
|
|
*/
|
|
size_t qemu_plugin_insn_size(const struct qemu_plugin_insn *insn);
|
|
|
|
/**
|
|
* qemu_plugin_insn_vaddr() - return vaddr of instruction
|
|
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
|
*
|
|
* Returns: virtual address of instruction
|
|
*/
|
|
uint64_t qemu_plugin_insn_vaddr(const struct qemu_plugin_insn *insn);
|
|
|
|
/**
|
|
* qemu_plugin_insn_haddr() - return hardware addr of instruction
|
|
* @insn: opaque instruction handle from qemu_plugin_tb_get_insn()
|
|
*
|
|
* Returns: hardware (physical) target address of instruction
|
|
*/
|
|
void *qemu_plugin_insn_haddr(const struct qemu_plugin_insn *insn);
|
|
|
|
/**
|
|
* typedef qemu_plugin_meminfo_t - opaque memory transaction handle
|
|
*
|
|
* This can be further queried using the qemu_plugin_mem_* query
|
|
* functions.
|
|
*/
|
|
typedef uint32_t qemu_plugin_meminfo_t;
|
|
/** struct qemu_plugin_hwaddr - opaque hw address handle */
|
|
struct qemu_plugin_hwaddr;
|
|
|
|
/**
|
|
* qemu_plugin_mem_size_shift() - get size of access
|
|
* @info: opaque memory transaction handle
|
|
*
|
|
* Returns: size of access in ^2 (0=byte, 1=16bit, 2=32bit etc...)
|
|
*/
|
|
unsigned int qemu_plugin_mem_size_shift(qemu_plugin_meminfo_t info);
|
|
/**
|
|
* qemu_plugin_mem_is_sign_extended() - was the access sign extended
|
|
* @info: opaque memory transaction handle
|
|
*
|
|
* Returns: true if it was, otherwise false
|
|
*/
|
|
bool qemu_plugin_mem_is_sign_extended(qemu_plugin_meminfo_t info);
|
|
/**
|
|
* qemu_plugin_mem_is_big_endian() - was the access big endian
|
|
* @info: opaque memory transaction handle
|
|
*
|
|
* Returns: true if it was, otherwise false
|
|
*/
|
|
bool qemu_plugin_mem_is_big_endian(qemu_plugin_meminfo_t info);
|
|
/**
|
|
* qemu_plugin_mem_is_store() - was the access a store
|
|
* @info: opaque memory transaction handle
|
|
*
|
|
* Returns: true if it was, otherwise false
|
|
*/
|
|
bool qemu_plugin_mem_is_store(qemu_plugin_meminfo_t info);
|
|
|
|
/**
|
|
* qemu_plugin_get_hwaddr() - return handle for memory operation
|
|
* @info: opaque memory info structure
|
|
* @vaddr: the virtual address of the memory operation
|
|
*
|
|
* For system emulation returns a qemu_plugin_hwaddr handle to query
|
|
* details about the actual physical address backing the virtual
|
|
* address. For linux-user guests it just returns NULL.
|
|
*
|
|
* This handle is *only* valid for the duration of the callback. Any
|
|
* information about the handle should be recovered before the
|
|
* callback returns.
|
|
*/
|
|
struct qemu_plugin_hwaddr *qemu_plugin_get_hwaddr(qemu_plugin_meminfo_t info,
|
|
uint64_t vaddr);
|
|
|
|
/*
|
|
* The following additional queries can be run on the hwaddr structure to
|
|
* return information about it - namely whether it is for an IO access and the
|
|
* physical address associated with the access.
|
|
*/
|
|
|
|
/**
|
|
* qemu_plugin_hwaddr_is_io() - query whether memory operation is IO
|
|
* @haddr: address handle from qemu_plugin_get_hwaddr()
|
|
*
|
|
* Returns true if the handle's memory operation is to memory-mapped IO, or
|
|
* false if it is to RAM
|
|
*/
|
|
bool qemu_plugin_hwaddr_is_io(const struct qemu_plugin_hwaddr *haddr);
|
|
|
|
/**
|
|
* qemu_plugin_hwaddr_phys_addr() - query physical address for memory operation
|
|
* @haddr: address handle from qemu_plugin_get_hwaddr()
|
|
*
|
|
* Returns the physical address associated with the memory operation
|
|
*
|
|
* Note that the returned physical address may not be unique if you are dealing
|
|
* with multiple address spaces.
|
|
*/
|
|
uint64_t qemu_plugin_hwaddr_phys_addr(const struct qemu_plugin_hwaddr *haddr);
|
|
|
|
/*
|
|
* Returns a string representing the device. The string is valid for
|
|
* the lifetime of the plugin.
|
|
*/
|
|
const char *qemu_plugin_hwaddr_device_name(const struct qemu_plugin_hwaddr *h);
|
|
|
|
typedef void
|
|
(*qemu_plugin_vcpu_mem_cb_t)(unsigned int vcpu_index,
|
|
qemu_plugin_meminfo_t info, uint64_t vaddr,
|
|
void *userdata);
|
|
|
|
void qemu_plugin_register_vcpu_mem_cb(struct qemu_plugin_insn *insn,
|
|
qemu_plugin_vcpu_mem_cb_t cb,
|
|
enum qemu_plugin_cb_flags flags,
|
|
enum qemu_plugin_mem_rw rw,
|
|
void *userdata);
|
|
|
|
void qemu_plugin_register_vcpu_mem_inline(struct qemu_plugin_insn *insn,
|
|
enum qemu_plugin_mem_rw rw,
|
|
enum qemu_plugin_op op, void *ptr,
|
|
uint64_t imm);
|
|
|
|
|
|
|
|
typedef void
|
|
(*qemu_plugin_vcpu_syscall_cb_t)(qemu_plugin_id_t id, unsigned int vcpu_index,
|
|
int64_t num, uint64_t a1, uint64_t a2,
|
|
uint64_t a3, uint64_t a4, uint64_t a5,
|
|
uint64_t a6, uint64_t a7, uint64_t a8);
|
|
|
|
void qemu_plugin_register_vcpu_syscall_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_syscall_cb_t cb);
|
|
|
|
typedef void
|
|
(*qemu_plugin_vcpu_syscall_ret_cb_t)(qemu_plugin_id_t id, unsigned int vcpu_idx,
|
|
int64_t num, int64_t ret);
|
|
|
|
void
|
|
qemu_plugin_register_vcpu_syscall_ret_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_syscall_ret_cb_t cb);
|
|
|
|
|
|
/**
|
|
* qemu_plugin_insn_disas() - return disassembly string for instruction
|
|
* @insn: instruction reference
|
|
*
|
|
* Returns an allocated string containing the disassembly
|
|
*/
|
|
|
|
char *qemu_plugin_insn_disas(const struct qemu_plugin_insn *insn);
|
|
|
|
/**
|
|
* qemu_plugin_insn_symbol() - best effort symbol lookup
|
|
* @insn: instruction reference
|
|
*
|
|
* Return a static string referring to the symbol. This is dependent
|
|
* on the binary QEMU is running having provided a symbol table.
|
|
*/
|
|
const char *qemu_plugin_insn_symbol(const struct qemu_plugin_insn *insn);
|
|
|
|
/**
|
|
* qemu_plugin_vcpu_for_each() - iterate over the existing vCPU
|
|
* @id: plugin ID
|
|
* @cb: callback function
|
|
*
|
|
* The @cb function is called once for each existing vCPU.
|
|
*
|
|
* See also: qemu_plugin_register_vcpu_init_cb()
|
|
*/
|
|
void qemu_plugin_vcpu_for_each(qemu_plugin_id_t id,
|
|
qemu_plugin_vcpu_simple_cb_t cb);
|
|
|
|
void qemu_plugin_register_flush_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_simple_cb_t cb);
|
|
|
|
/**
|
|
* qemu_plugin_register_atexit_cb() - register exit callback
|
|
* @id: plugin ID
|
|
* @cb: callback
|
|
* @userdata: user data for callback
|
|
*
|
|
* The @cb function is called once execution has finished. Plugins
|
|
* should be able to free all their resources at this point much like
|
|
* after a reset/uninstall callback is called.
|
|
*
|
|
* In user-mode it is possible a few un-instrumented instructions from
|
|
* child threads may run before the host kernel reaps the threads.
|
|
*/
|
|
void qemu_plugin_register_atexit_cb(qemu_plugin_id_t id,
|
|
qemu_plugin_udata_cb_t cb, void *userdata);
|
|
|
|
/* returns -1 in user-mode */
|
|
int qemu_plugin_n_vcpus(void);
|
|
|
|
/* returns -1 in user-mode */
|
|
int qemu_plugin_n_max_vcpus(void);
|
|
|
|
/**
|
|
* qemu_plugin_outs() - output string via QEMU's logging system
|
|
* @string: a string
|
|
*/
|
|
void qemu_plugin_outs(const char *string);
|
|
|
|
/**
|
|
* qemu_plugin_bool_parse() - parses a boolean argument in the form of
|
|
* "<argname>=[on|yes|true|off|no|false]"
|
|
*
|
|
* @name: argument name, the part before the equals sign
|
|
* @val: argument value, what's after the equals sign
|
|
* @ret: output return value
|
|
*
|
|
* returns true if the combination @name=@val parses correctly to a boolean
|
|
* argument, and false otherwise
|
|
*/
|
|
bool qemu_plugin_bool_parse(const char *name, const char *val, bool *ret);
|
|
|
|
/**
|
|
* qemu_plugin_path_to_binary() - path to binary file being executed
|
|
*
|
|
* Return a string representing the path to the binary. For user-mode
|
|
* this is the main executable. For system emulation we currently
|
|
* return NULL. The user should g_free() the string once no longer
|
|
* needed.
|
|
*/
|
|
const char *qemu_plugin_path_to_binary(void);
|
|
|
|
/**
|
|
* qemu_plugin_start_code() - returns start of text segment
|
|
*
|
|
* Returns the nominal start address of the main text segment in
|
|
* user-mode. Currently returns 0 for system emulation.
|
|
*/
|
|
uint64_t qemu_plugin_start_code(void);
|
|
|
|
/**
|
|
* qemu_plugin_end_code() - returns end of text segment
|
|
*
|
|
* Returns the nominal end address of the main text segment in
|
|
* user-mode. Currently returns 0 for system emulation.
|
|
*/
|
|
uint64_t qemu_plugin_end_code(void);
|
|
|
|
/**
|
|
* qemu_plugin_entry_code() - returns start address for module
|
|
*
|
|
* Returns the nominal entry address of the main text segment in
|
|
* user-mode. Currently returns 0 for system emulation.
|
|
*/
|
|
uint64_t qemu_plugin_entry_code(void);
|
|
|
|
#endif /* QEMU_QEMU_PLUGIN_H */
|