111 lines
2.9 KiB
C
111 lines
2.9 KiB
C
#ifndef _PSERIES_PLPAR_WRAPPERS_H
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#define _PSERIES_PLPAR_WRAPPERS_H
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#include <asm/hvcall.h>
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static inline long poll_pending(void)
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{
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unsigned long dummy;
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return plpar_hcall(H_POLL_PENDING, 0, 0, 0, 0, &dummy, &dummy, &dummy);
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}
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static inline long prod_processor(void)
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{
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plpar_hcall_norets(H_PROD);
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return 0;
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}
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static inline long cede_processor(void)
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{
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plpar_hcall_norets(H_CEDE);
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return 0;
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}
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static inline long vpa_call(unsigned long flags, unsigned long cpu,
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unsigned long vpa)
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{
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/* flags are in bits 16-18 (counting from most significant bit) */
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flags = flags << (63 - 18);
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return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa);
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}
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static inline long unregister_vpa(unsigned long cpu, unsigned long vpa)
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{
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return vpa_call(0x5, cpu, vpa);
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}
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static inline long register_vpa(unsigned long cpu, unsigned long vpa)
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{
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return vpa_call(0x1, cpu, vpa);
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}
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extern void vpa_init(int cpu);
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static inline long plpar_pte_remove(unsigned long flags, unsigned long ptex,
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unsigned long avpn, unsigned long *old_pteh_ret,
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unsigned long *old_ptel_ret)
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{
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unsigned long dummy;
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return plpar_hcall(H_REMOVE, flags, ptex, avpn, 0, old_pteh_ret,
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old_ptel_ret, &dummy);
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}
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static inline long plpar_pte_read(unsigned long flags, unsigned long ptex,
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unsigned long *old_pteh_ret, unsigned long *old_ptel_ret)
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{
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unsigned long dummy;
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return plpar_hcall(H_READ, flags, ptex, 0, 0, old_pteh_ret,
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old_ptel_ret, &dummy);
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}
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static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex,
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unsigned long avpn)
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{
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return plpar_hcall_norets(H_PROTECT, flags, ptex, avpn);
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}
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static inline long plpar_tce_get(unsigned long liobn, unsigned long ioba,
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unsigned long *tce_ret)
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{
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unsigned long dummy;
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return plpar_hcall(H_GET_TCE, liobn, ioba, 0, 0, tce_ret, &dummy,
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&dummy);
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}
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static inline long plpar_tce_put(unsigned long liobn, unsigned long ioba,
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unsigned long tceval)
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{
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return plpar_hcall_norets(H_PUT_TCE, liobn, ioba, tceval);
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}
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static inline long plpar_tce_put_indirect(unsigned long liobn,
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unsigned long ioba, unsigned long page, unsigned long count)
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{
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return plpar_hcall_norets(H_PUT_TCE_INDIRECT, liobn, ioba, page, count);
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}
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static inline long plpar_tce_stuff(unsigned long liobn, unsigned long ioba,
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unsigned long tceval, unsigned long count)
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{
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return plpar_hcall_norets(H_STUFF_TCE, liobn, ioba, tceval, count);
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}
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static inline long plpar_get_term_char(unsigned long termno,
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unsigned long *len_ret, char *buf_ret)
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{
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unsigned long *lbuf = (unsigned long *)buf_ret; /* TODO: alignment? */
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return plpar_hcall(H_GET_TERM_CHAR, termno, 0, 0, 0, len_ret,
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lbuf + 0, lbuf + 1);
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}
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static inline long plpar_put_term_char(unsigned long termno, unsigned long len,
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const char *buffer)
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{
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unsigned long *lbuf = (unsigned long *)buffer; /* TODO: alignment? */
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return plpar_hcall_norets(H_PUT_TERM_CHAR, termno, len, lbuf[0],
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lbuf[1]);
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}
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#endif /* _PSERIES_PLPAR_WRAPPERS_H */
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