plpar_wrappers.h

来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 110 行

#ifndef _PPC64_PLPAR_WRAPPERS_H
#define _PPC64_PLPAR_WRAPPERS_H

#include <asm/hvcall.h>

static inline long poll_pending(void)
{
	unsigned long dummy;
	return plpar_hcall(H_POLL_PENDING, 0, 0, 0, 0,
			   &dummy, &dummy, &dummy);
}

static inline long prod_processor(void)
{
	plpar_hcall_norets(H_PROD);
	return(0); 
}

static inline long cede_processor(void)
{
	plpar_hcall_norets(H_CEDE);
	return(0); 
}

static inline long register_vpa(unsigned long flags, unsigned long proc, unsigned long vpa)
{
	plpar_hcall_norets(H_REGISTER_VPA, flags, proc, vpa);
	return(0); 
}

static inline long plpar_pte_remove(unsigned long flags,
				    unsigned long ptex,
				    unsigned long avpn,
				    unsigned long *old_pteh_ret,
				    unsigned long *old_ptel_ret)
{
	unsigned long dummy;
	return plpar_hcall(H_REMOVE, flags, ptex, avpn, 0,
			   old_pteh_ret, old_ptel_ret, &dummy);
}

static inline long plpar_pte_read(unsigned long flags,
				  unsigned long ptex,
				  unsigned long *old_pteh_ret, unsigned long *old_ptel_ret)
{
	unsigned long dummy;
	return plpar_hcall(H_READ, flags, ptex, 0, 0,
			   old_pteh_ret, old_ptel_ret, &dummy);
}

static inline long plpar_pte_protect(unsigned long flags,
				     unsigned long ptex,
				     unsigned long avpn)
{
	return plpar_hcall_norets(H_PROTECT, flags, ptex, avpn);
}

static inline long plpar_tce_get(unsigned long liobn,
				 unsigned long ioba,
				 unsigned long *tce_ret)
{
	unsigned long dummy;
	return plpar_hcall(H_GET_TCE, liobn, ioba, 0, 0,
			   tce_ret, &dummy, &dummy);
}

static inline long plpar_tce_put(unsigned long liobn,
				 unsigned long ioba,
				 unsigned long tceval)
{
	return plpar_hcall_norets(H_PUT_TCE, liobn, ioba, tceval);
}

static inline long plpar_tce_put_indirect(unsigned long liobn,
					  unsigned long ioba,
					  unsigned long page,
					  unsigned long count)
{
	return plpar_hcall_norets(H_PUT_TCE_INDIRECT, liobn, ioba, page, count);
}

static inline long plpar_tce_stuff(unsigned long liobn,
				   unsigned long ioba,
				   unsigned long tceval,
				   unsigned long count)
{
	return plpar_hcall_norets(H_STUFF_TCE, liobn, ioba, tceval, count);
}

static inline long plpar_get_term_char(unsigned long termno,
				       unsigned long *len_ret,
				       char *buf_ret)
{
	unsigned long *lbuf = (unsigned long *)buf_ret;  /* ToDo: alignment? */
	return plpar_hcall(H_GET_TERM_CHAR, termno, 0, 0, 0,
			   len_ret, lbuf+0, lbuf+1);
}

static inline long plpar_put_term_char(unsigned long termno,
				       unsigned long len,
				       const char *buffer)
{
	unsigned long *lbuf = (unsigned long *)buffer;  /* ToDo: alignment? */
	return plpar_hcall_norets(H_PUT_TERM_CHAR, termno, len, lbuf[0],
				  lbuf[1]);
}


#endif /* _PPC64_PLPAR_WRAPPERS_H */