[deliverable/linux.git] / arch / powerpc / platforms / pseries / plpar_wrappers.h

#ifndef _PSERIES_PLPAR_WRAPPERS_H
#define _PSERIES_PLPAR_WRAPPERS_H

#include <asm/hvcall.h>

static inline long poll_pending(void)
{
	return plpar_hcall_norets(H_POLL_PENDING);
}

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

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

static inline long vpa_call(unsigned long flags, unsigned long cpu,
		unsigned long vpa)
{
	/* flags are in bits 16-18 (counting from most significant bit) */
	flags = flags << (63 - 18);

	return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa);
}

static inline long unregister_vpa(unsigned long cpu, unsigned long vpa)
{
	return vpa_call(0x5, cpu, vpa);
}

static inline long register_vpa(unsigned long cpu, unsigned long vpa)
{
	return vpa_call(0x1, cpu, vpa);
}

extern void vpa_init(int cpu);

static inline long plpar_pte_enter(unsigned long flags,
		unsigned long hpte_group, unsigned long hpte_v,
		unsigned long hpte_r, unsigned long *slot)
{
	long rc;
	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];

	rc = plpar_hcall(H_ENTER, retbuf, flags, hpte_group, hpte_v, hpte_r);

	*slot = retbuf[0];

	return rc;
}

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)
{
	long rc;
	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];

	rc = plpar_hcall(H_REMOVE, retbuf, flags, ptex, avpn);

	*old_pteh_ret = retbuf[0];
	*old_ptel_ret = retbuf[1];

	return rc;
}

static inline long plpar_pte_read(unsigned long flags, unsigned long ptex,
		unsigned long *old_pteh_ret, unsigned long *old_ptel_ret)
{
	long rc;
	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];

	rc = plpar_hcall(H_READ, retbuf, flags, ptex);

	*old_pteh_ret = retbuf[0];
	*old_ptel_ret = retbuf[1];

	return rc;
}

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)
{
	long rc;
	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];

	rc = plpar_hcall(H_GET_TCE, retbuf, liobn, ioba);

	*tce_ret = retbuf[0];

	return rc;
}

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)
{
	long rc;
	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
	unsigned long *lbuf = (unsigned long *)buf_ret;	/* TODO: alignment? */

	rc = plpar_hcall(H_GET_TERM_CHAR, retbuf, termno);

	*len_ret = retbuf[0];
	lbuf[0] = retbuf[1];
	lbuf[1] = retbuf[2];

	return rc;
}

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_eoi(unsigned long xirr)
{
	return plpar_hcall_norets(H_EOI, xirr);
}

static inline long plpar_cppr(unsigned long cppr)
{
	return plpar_hcall_norets(H_CPPR, cppr);
}

static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
{
	return plpar_hcall_norets(H_IPI, servernum, mfrr);
}

static inline long plpar_xirr(unsigned long *xirr_ret)
{
	long rc;
	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];

	rc = plpar_hcall(H_XIRR, retbuf);

	*xirr_ret = retbuf[0];

	return rc;
}

#endif /* _PSERIES_PLPAR_WRAPPERS_H */
Commit	Line	Data
a1218720 ME	1	#ifndef _PSERIES_PLPAR_WRAPPERS_H
	2	#define _PSERIES_PLPAR_WRAPPERS_H
	3
	4	#include <asm/hvcall.h>
	5
	6	static inline long poll_pending(void)
	7	{
b9377ffc	8	return plpar_hcall_norets(H_POLL_PENDING);
a1218720 ME	9	}
	10
	11	static inline long prod_processor(void)
	12	{
b9377ffc	13	return plpar_hcall_norets(H_PROD);
a1218720 ME	14	}
	15
	16	static inline long cede_processor(void)
	17	{
b9377ffc	18	return plpar_hcall_norets(H_CEDE);
a1218720 ME	19	}
a1218720 ME	20
40765d2b	21	static inline long vpa_call(unsigned long flags, unsigned long cpu,
a1218720 ME	22	unsigned long vpa)
a1218720 ME	23	{
40765d2b ME	24	/* flags are in bits 16-18 (counting from most significant bit) */
	25	flags = flags << (63 - 18);
	26
	27	return plpar_hcall_norets(H_REGISTER_VPA, flags, cpu, vpa);
	28	}
	29
	30	static inline long unregister_vpa(unsigned long cpu, unsigned long vpa)
	31	{
	32	return vpa_call(0x5, cpu, vpa);
	33	}
	34
	35	static inline long register_vpa(unsigned long cpu, unsigned long vpa)
	36	{
	37	return vpa_call(0x1, cpu, vpa);
a1218720 ME	38	}
a1218720 ME	39
40765d2b	40	extern void vpa_init(int cpu);
a1218720	41
b9377ffc AB	42	static inline long plpar_pte_enter(unsigned long flags,
	43	unsigned long hpte_group, unsigned long hpte_v,
	44	unsigned long hpte_r, unsigned long *slot)
	45	{
	46	long rc;
	47	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
	48
	49	rc = plpar_hcall(H_ENTER, retbuf, flags, hpte_group, hpte_v, hpte_r);
	50
	51	*slot = retbuf[0];
	52
	53	return rc;
	54	}
	55
a1218720 ME	56	static inline long plpar_pte_remove(unsigned long flags, unsigned long ptex,
	57	unsigned long avpn, unsigned long *old_pteh_ret,
	58	unsigned long *old_ptel_ret)
	59	{
b9377ffc AB	60	long rc;
	61	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
	62
	63	rc = plpar_hcall(H_REMOVE, retbuf, flags, ptex, avpn);
	64
	65	*old_pteh_ret = retbuf[0];
	66	*old_ptel_ret = retbuf[1];
	67
	68	return rc;
a1218720 ME	69	}
	70
	71	static inline long plpar_pte_read(unsigned long flags, unsigned long ptex,
	72	unsigned long old_pteh_ret, unsigned long old_ptel_ret)
	73	{
b9377ffc AB	74	long rc;
	75	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
	76
	77	rc = plpar_hcall(H_READ, retbuf, flags, ptex);
	78
	79	*old_pteh_ret = retbuf[0];
	80	*old_ptel_ret = retbuf[1];
	81
	82	return rc;
a1218720 ME	83	}
	84
	85	static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex,
	86	unsigned long avpn)
	87	{
	88	return plpar_hcall_norets(H_PROTECT, flags, ptex, avpn);
	89	}
	90
	91	static inline long plpar_tce_get(unsigned long liobn, unsigned long ioba,
	92	unsigned long *tce_ret)
	93	{
b9377ffc AB	94	long rc;
	95	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
	96
	97	rc = plpar_hcall(H_GET_TCE, retbuf, liobn, ioba);
	98
	99	*tce_ret = retbuf[0];
	100
	101	return rc;
a1218720 ME	102	}
	103
	104	static inline long plpar_tce_put(unsigned long liobn, unsigned long ioba,
	105	unsigned long tceval)
	106	{
	107	return plpar_hcall_norets(H_PUT_TCE, liobn, ioba, tceval);
	108	}
	109
	110	static inline long plpar_tce_put_indirect(unsigned long liobn,
	111	unsigned long ioba, unsigned long page, unsigned long count)
	112	{
	113	return plpar_hcall_norets(H_PUT_TCE_INDIRECT, liobn, ioba, page, count);
	114	}
	115
	116	static inline long plpar_tce_stuff(unsigned long liobn, unsigned long ioba,
	117	unsigned long tceval, unsigned long count)
	118	{
	119	return plpar_hcall_norets(H_STUFF_TCE, liobn, ioba, tceval, count);
	120	}
	121
	122	static inline long plpar_get_term_char(unsigned long termno,
	123	unsigned long len_ret, char buf_ret)
	124	{
b9377ffc AB	125	long rc;
b9377ffc AB	126	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
a1218720	127	unsigned long lbuf = (unsigned long )buf_ret; /* TODO: alignment? */
b9377ffc AB	128
	129	rc = plpar_hcall(H_GET_TERM_CHAR, retbuf, termno);
	130
	131	*len_ret = retbuf[0];
	132	lbuf[0] = retbuf[1];
	133	lbuf[1] = retbuf[2];
	134
	135	return rc;
a1218720 ME	136	}
	137
	138	static inline long plpar_put_term_char(unsigned long termno, unsigned long len,
	139	const char *buffer)
	140	{
	141	unsigned long lbuf = (unsigned long )buffer; /* TODO: alignment? */
	142	return plpar_hcall_norets(H_PUT_TERM_CHAR, termno, len, lbuf[0],
	143	lbuf[1]);
	144	}
	145
b9377ffc AB	146	static inline long plpar_eoi(unsigned long xirr)
	147	{
	148	return plpar_hcall_norets(H_EOI, xirr);
	149	}
	150
	151	static inline long plpar_cppr(unsigned long cppr)
	152	{
	153	return plpar_hcall_norets(H_CPPR, cppr);
	154	}
	155
	156	static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
	157	{
	158	return plpar_hcall_norets(H_IPI, servernum, mfrr);
	159	}
	160
	161	static inline long plpar_xirr(unsigned long *xirr_ret)
	162	{
	163	long rc;
	164	unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
	165
	166	rc = plpar_hcall(H_XIRR, retbuf);
	167
	168	*xirr_ret = retbuf[0];
	169
	170	return rc;
	171	}
	172
a1218720	173	#endif /* _PSERIES_PLPAR_WRAPPERS_H */