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#include "kernelInterface.h"
#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/ioctl.h>
#include <stdlib.h>
int accessMode=ACCESS_DIRECT;
void
detAccessMode()
{
accessMode=ACCESS_DIRECT;
if ( 0==access(TOSH_PROC, R_OK) )
accessMode=ACCESS_KERNEL;
else if ( 0==access("/proc/acpi",R_OK) ) {
fprintf(stderr,"required kernel toshiba support not enabled.\n");
exit(1);
}
} /* detAccessMode */
#ifdef USE_KERNEL_INTERFACE
int
procAccess(ToshProcInfo* proc)
{
FILE *str;
char buffer[64];
if (access(TOSH_PROC, R_OK)) {
//fprintf(stderr,
// "can't open %s: falling back to direct access\n",
// TOSH_PROC);
return 0;
}
/* open /proc/toshiba for reading */
if (!(str = fopen(TOSH_PROC, "r")))
return 0;
/* scan in the information */
fgets(buffer, sizeof(buffer)-1, str);
fclose(str);
buffer[sizeof(buffer)-1] = '\0';
sscanf(buffer, "%*s %x %*d.%*d %d.%d %*x %*x\n",
&proc->id, &proc->major, &proc->minor);
return 1;
} /* procAccess */
int
smmAccess(SMMRegisters *regs)
{
int fd;
if ((fd=open(TOSH_DEVICE, O_RDWR))<0) {
//fprintf(stderr,
// "can't open %s: falling back to direct access\n",
// TOSH_DEVICE);
return 1;
}
if (access(TOSH_PROC, R_OK)) {
close(fd);
return 1;
}
if (ioctl(fd, TOSH_SMM, regs)<0) {
close(fd);
return 1;
}
close(fd);
return (int) (regs->eax & 0xff00)>>8;
} /* smmAccess */
#else
int smmAccess(SMMRegisters* regs) { return 1; } /* failure */
int procAccess(ToshProcInfo* proc) { return 0; }
#endif
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