| Server IP : 127.0.0.2 / Your IP : 3.134.92.188 Web Server : Apache/2.4.18 (Ubuntu) System : User : www-data ( ) PHP Version : 7.0.33-0ubuntu0.16.04.16 Disable Function : disk_free_space,disk_total_space,diskfreespace,dl,exec,fpaththru,getmyuid,getmypid,highlight_file,ignore_user_abord,leak,listen,link,opcache_get_configuration,opcache_get_status,passthru,pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,php_uname,phpinfo,posix_ctermid,posix_getcwd,posix_getegid,posix_geteuid,posix_getgid,posix_getgrgid,posix_getgrnam,posix_getgroups,posix_getlogin,posix_getpgid,posix_getpgrp,posix_getpid,posix,_getppid,posix_getpwnam,posix_getpwuid,posix_getrlimit,posix_getsid,posix_getuid,posix_isatty,posix_kill,posix_mkfifo,posix_setegid,posix_seteuid,posix_setgid,posix_setpgid,posix_setsid,posix_setuid,posix_times,posix_ttyname,posix_uname,pclose,popen,proc_open,proc_close,proc_get_status,proc_nice,proc_terminate,shell_exec,source,show_source,system,virtual MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /lib/modules/4.4.0-1128-aws/build/include/drm/ |
Upload File : |
/**
* \file drm_os_linux.h
* OS abstraction macros.
*/
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.h>
#ifndef readq
static inline u64 readq(void __iomem *reg)
{
return ((u64) readl(reg)) | (((u64) readl(reg + 4UL)) << 32);
}
static inline void writeq(u64 val, void __iomem *reg)
{
writel(val & 0xffffffff, reg);
writel(val >> 32, reg + 0x4UL);
}
#endif
/** Current process ID */
#define DRM_CURRENTPID task_pid_nr(current)
#define DRM_UDELAY(d) udelay(d)
/** Read a byte from a MMIO region */
#define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset))
/** Read a word from a MMIO region */
#define DRM_READ16(map, offset) readw(((void __iomem *)(map)->handle) + (offset))
/** Read a dword from a MMIO region */
#define DRM_READ32(map, offset) readl(((void __iomem *)(map)->handle) + (offset))
/** Write a byte into a MMIO region */
#define DRM_WRITE8(map, offset, val) writeb(val, ((void __iomem *)(map)->handle) + (offset))
/** Write a word into a MMIO region */
#define DRM_WRITE16(map, offset, val) writew(val, ((void __iomem *)(map)->handle) + (offset))
/** Write a dword into a MMIO region */
#define DRM_WRITE32(map, offset, val) writel(val, ((void __iomem *)(map)->handle) + (offset))
/** Read a qword from a MMIO region - be careful using these unless you really understand them */
#define DRM_READ64(map, offset) readq(((void __iomem *)(map)->handle) + (offset))
/** Write a qword into a MMIO region */
#define DRM_WRITE64(map, offset, val) writeq(val, ((void __iomem *)(map)->handle) + (offset))
#define DRM_WAIT_ON( ret, queue, timeout, condition ) \
do { \
DECLARE_WAITQUEUE(entry, current); \
unsigned long end = jiffies + (timeout); \
add_wait_queue(&(queue), &entry); \
\
for (;;) { \
__set_current_state(TASK_INTERRUPTIBLE); \
if (condition) \
break; \
if (time_after_eq(jiffies, end)) { \
ret = -EBUSY; \
break; \
} \
schedule_timeout((HZ/100 > 1) ? HZ/100 : 1); \
if (signal_pending(current)) { \
ret = -EINTR; \
break; \
} \
} \
__set_current_state(TASK_RUNNING); \
remove_wait_queue(&(queue), &entry); \
} while (0)