OpenCloudOS-Kernel/include/asm-ppc64/plpar_wrappers.h

121 lines
2.9 KiB
C

#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)
{
return plpar_hcall_norets(H_REGISTER_VPA, flags, proc, vpa);
}
void vpa_init(int cpu);
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]);
}
static inline long plpar_set_xdabr(unsigned long address, unsigned long flags)
{
return plpar_hcall_norets(H_SET_XDABR, address, flags);
}
static inline long plpar_set_dabr(unsigned long val)
{
return plpar_hcall_norets(H_SET_DABR, val);
}
#endif /* _PPC64_PLPAR_WRAPPERS_H */