qemu/tests/libqtest.h

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/*
* QTest
*
* Copyright IBM, Corp. 2012
* Copyright Red Hat, Inc. 2012
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.com>
* Paolo Bonzini <pbonzini@redhat.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*
*/
#ifndef LIBQTEST_H
#define LIBQTEST_H
#include <stdint.h>
#include <stdbool.h>
#include <sys/types.h>
typedef struct QTestState QTestState;
extern QTestState *global_qtest;
/**
* qtest_init:
* @extra_args: other arguments to pass to QEMU.
*/
QTestState *qtest_init(const char *extra_args);
/**
* qtest_quit:
* @s: QTestState instance to operate on.
*
* Shut down the QEMU process associated to @s.
*/
void qtest_quit(QTestState *s);
/**
* qtest_qmp:
* @s: QTestState instance to operate on.
* @fmt...: QMP message to send to qemu
*
* Sends a QMP message to QEMU
*/
void qtest_qmp(QTestState *s, const char *fmt, ...);
/**
* qtest_get_irq:
* @s: QTestState instance to operate on.
* @num: Interrupt to observe.
*
* Return the level of the @num interrupt.
*/
bool qtest_get_irq(QTestState *s, int num);
/**
* qtest_irq_intercept_in:
* @s: QTestState instance to operate on.
* @string: QOM path of a device.
*
* Associate qtest irqs with the GPIO-in pins of the device
* whose path is specified by @string.
*/
void qtest_irq_intercept_in(QTestState *s, const char *string);
/**
* qtest_irq_intercept_out:
* @s: QTestState instance to operate on.
* @string: QOM path of a device.
*
* Associate qtest irqs with the GPIO-out pins of the device
* whose path is specified by @string.
*/
void qtest_irq_intercept_out(QTestState *s, const char *string);
/**
* qtest_outb:
* @s: QTestState instance to operate on.
* @addr: I/O port to write to.
* @value: Value being written.
*
* Write an 8-bit value to an I/O port.
*/
void qtest_outb(QTestState *s, uint16_t addr, uint8_t value);
/**
* qtest_outw:
* @s: QTestState instance to operate on.
* @addr: I/O port to write to.
* @value: Value being written.
*
* Write a 16-bit value to an I/O port.
*/
void qtest_outw(QTestState *s, uint16_t addr, uint16_t value);
/**
* qtest_outl:
* @s: QTestState instance to operate on.
* @addr: I/O port to write to.
* @value: Value being written.
*
* Write a 32-bit value to an I/O port.
*/
void qtest_outl(QTestState *s, uint16_t addr, uint32_t value);
/**
* qtest_inb:
* @s: QTestState instance to operate on.
* @addr: I/O port to read from.
* @value: Value being written.
*
* Returns an 8-bit value from an I/O port.
*/
uint8_t qtest_inb(QTestState *s, uint16_t addr);
/**
* qtest_inw:
* @s: QTestState instance to operate on.
* @addr: I/O port to read from.
* @value: Value being written.
*
* Returns a 16-bit value from an I/O port.
*/
uint16_t qtest_inw(QTestState *s, uint16_t addr);
/**
* qtest_inl:
* @s: QTestState instance to operate on.
* @addr: I/O port to read from.
* @value: Value being written.
*
* Returns a 32-bit value from an I/O port.
*/
uint32_t qtest_inl(QTestState *s, uint16_t addr);
/**
* qtest_memread:
* @s: QTestState instance to operate on.
* @addr: Guest address to read from.
* @data: Pointer to where memory contents will be stored.
* @size: Number of bytes to read.
*
* Read guest memory into a buffer.
*/
void qtest_memread(QTestState *s, uint64_t addr, void *data, size_t size);
/**
* qtest_memwrite:
* @s: QTestState instance to operate on.
* @addr: Guest address to write to.
* @data: Pointer to the bytes that will be written to guest memory.
* @size: Number of bytes to write.
*
* Write a buffer to guest memory.
*/
void qtest_memwrite(QTestState *s, uint64_t addr, const void *data, size_t size);
/**
* qtest_clock_step_next:
* @s: QTestState instance to operate on.
*
* Advance the vm_clock to the next deadline. Return the current
* value of the vm_clock in nanoseconds.
*/
int64_t qtest_clock_step_next(QTestState *s);
/**
* qtest_clock_step:
* @s: QTestState instance to operate on.
* @step: Number of nanoseconds to advance the clock by.
*
* Advance the vm_clock by @step nanoseconds. Return the current
* value of the vm_clock in nanoseconds.
*/
int64_t qtest_clock_step(QTestState *s, int64_t step);
/**
* qtest_clock_set:
* @s: QTestState instance to operate on.
* @val: Nanoseconds value to advance the clock to.
*
* Advance the vm_clock to @val nanoseconds since the VM was launched.
* Return the current value of the vm_clock in nanoseconds.
*/
int64_t qtest_clock_set(QTestState *s, int64_t val);
/**
* qtest_get_arch:
*
* Returns the architecture for the QEMU executable under test.
*/
const char *qtest_get_arch(void);
/**
* qtest_add_func:
* @str: Test case path.
* @fn: Test case function
*
* Add a GTester testcase with the given name and function.
* The path is prefixed with the architecture under test, as
* returned by qtest_get_arch.
*/
void qtest_add_func(const char *str, void (*fn));
/**
* qtest_start:
* @args: other arguments to pass to QEMU
*
* Start QEMU and assign the resulting QTestState to a global variable.
* The global variable is used by "shortcut" macros documented below.
*/
#define qtest_start(args) ( \
global_qtest = qtest_init((args)) \
)
/**
* qmp:
* @fmt...: QMP message to send to qemu
*
* Sends a QMP message to QEMU
*/
#define qmp(fmt, ...) qtest_qmp(global_qtest, fmt, ## __VA_ARGS__)
/**
* get_irq:
* @num: Interrupt to observe.
*
* Return the level of the @num interrupt.
*/
#define get_irq(num) qtest_get_irq(global_qtest, num)
/**
* irq_intercept_in:
* @string: QOM path of a device.
*
* Associate qtest irqs with the GPIO-in pins of the device
* whose path is specified by @string.
*/
#define irq_intercept_in(string) qtest_irq_intercept_in(global_qtest, string)
/**
* qtest_irq_intercept_out:
* @string: QOM path of a device.
*
* Associate qtest irqs with the GPIO-out pins of the device
* whose path is specified by @string.
*/
#define irq_intercept_out(string) qtest_irq_intercept_out(global_qtest, string)
/**
* outb:
* @addr: I/O port to write to.
* @value: Value being written.
*
* Write an 8-bit value to an I/O port.
*/
#define outb(addr, val) qtest_outb(global_qtest, addr, val)
/**
* outw:
* @addr: I/O port to write to.
* @value: Value being written.
*
* Write a 16-bit value to an I/O port.
*/
#define outw(addr, val) qtest_outw(global_qtest, addr, val)
/**
* outl:
* @addr: I/O port to write to.
* @value: Value being written.
*
* Write a 32-bit value to an I/O port.
*/
#define outl(addr, val) qtest_outl(global_qtest, addr, val)
/**
* inb:
* @addr: I/O port to read from.
* @value: Value being written.
*
* Returns an 8-bit value from an I/O port.
*/
#define inb(addr) qtest_inb(global_qtest, addr)
/**
* inw:
* @addr: I/O port to read from.
* @value: Value being written.
*
* Returns a 16-bit value from an I/O port.
*/
#define inw(addr) qtest_inw(global_qtest, addr)
/**
* inl:
* @addr: I/O port to read from.
* @value: Value being written.
*
* Returns a 32-bit value from an I/O port.
*/
#define inl(addr) qtest_inl(global_qtest, addr)
/**
* memread:
* @addr: Guest address to read from.
* @data: Pointer to where memory contents will be stored.
* @size: Number of bytes to read.
*
* Read guest memory into a buffer.
*/
#define memread(addr, data, size) qtest_memread(global_qtest, addr, data, size)
/**
* memwrite:
* @addr: Guest address to write to.
* @data: Pointer to the bytes that will be written to guest memory.
* @size: Number of bytes to write.
*
* Write a buffer to guest memory.
*/
#define memwrite(addr, data, size) qtest_memwrite(global_qtest, addr, data, size)
/**
* clock_step_next:
*
* Advance the vm_clock to the next deadline. Return the current
* value of the vm_clock in nanoseconds.
*/
#define clock_step_next() qtest_clock_step_next(global_qtest)
/**
* clock_step:
* @step: Number of nanoseconds to advance the clock by.
*
* Advance the vm_clock by @step nanoseconds. Return the current
* value of the vm_clock in nanoseconds.
*/
#define clock_step(step) qtest_clock_step(global_qtest, step)
/**
* clock_set:
* @val: Nanoseconds value to advance the clock to.
*
* Advance the vm_clock to @val nanoseconds since the VM was launched.
* Return the current value of the vm_clock in nanoseconds.
*/
#define clock_set(val) qtest_clock_set(global_qtest, val)
#endif