#define _PSERIES_PLPAR_WRAPPERS_H
#include <asm/hvcall.h>
+#include <asm/page.h>
static inline long poll_pending(void)
{
- unsigned long dummy;
- return plpar_hcall(H_POLL_PENDING, 0, 0, 0, 0, &dummy, &dummy, &dummy);
+ return plpar_hcall_norets(H_POLL_PENDING);
}
-static inline long prod_processor(void)
+static inline u8 get_cede_latency_hint(void)
{
- plpar_hcall_norets(H_PROD);
- return 0;
+ return get_lppaca()->gpr5_dword.fields.cede_latency_hint;
+}
+
+static inline void set_cede_latency_hint(u8 latency_hint)
+{
+ get_lppaca()->gpr5_dword.fields.cede_latency_hint = latency_hint;
}
static inline long cede_processor(void)
{
- plpar_hcall_norets(H_CEDE);
- return 0;
+ return plpar_hcall_norets(H_CEDE);
+}
+
+static inline long extended_cede_processor(unsigned long latency_hint)
+{
+ long rc;
+ u8 old_latency_hint = get_cede_latency_hint();
+
+ set_cede_latency_hint(latency_hint);
+ rc = cede_processor();
+ set_cede_latency_hint(old_latency_hint);
+
+ return rc;
}
static inline long vpa_call(unsigned long flags, unsigned long cpu,
return vpa_call(0x1, cpu, vpa);
}
+static inline long unregister_slb_shadow(unsigned long cpu, unsigned long vpa)
+{
+ return vpa_call(0x7, cpu, vpa);
+}
+
+static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa)
+{
+ return vpa_call(0x3, cpu, vpa);
+}
+
+static inline long unregister_dtl(unsigned long cpu, unsigned long vpa)
+{
+ return vpa_call(0x6, cpu, vpa);
+}
+
+static inline long register_dtl(unsigned long cpu, unsigned long vpa)
+{
+ return vpa_call(0x2, cpu, vpa);
+}
+
+static inline long plpar_page_set_loaned(unsigned long vpa)
+{
+ unsigned long cmo_page_sz = cmo_get_page_size();
+ long rc = 0;
+ int i;
+
+ for (i = 0; !rc && i < PAGE_SIZE; i += cmo_page_sz)
+ rc = plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED, vpa + i, 0);
+
+ for (i -= cmo_page_sz; rc && i != 0; i -= cmo_page_sz)
+ plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE,
+ vpa + i - cmo_page_sz, 0);
+
+ return rc;
+}
+
+static inline long plpar_page_set_active(unsigned long vpa)
+{
+ unsigned long cmo_page_sz = cmo_get_page_size();
+ long rc = 0;
+ int i;
+
+ for (i = 0; !rc && i < PAGE_SIZE; i += cmo_page_sz)
+ rc = plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_ACTIVE, vpa + i, 0);
+
+ for (i -= cmo_page_sz; rc && i != 0; i -= cmo_page_sz)
+ plpar_hcall_norets(H_PAGE_INIT, H_PAGE_SET_LOANED,
+ vpa + i - cmo_page_sz, 0);
+
+ return rc;
+}
+
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)
{
- unsigned long dummy;
- return plpar_hcall(H_REMOVE, flags, ptex, avpn, 0, old_pteh_ret,
- old_ptel_ret, &dummy);
+ 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;
+}
+
+/* plpar_pte_remove_raw can be called in real mode. It calls plpar_hcall_raw */
+static inline long plpar_pte_remove_raw(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_raw(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)
{
- unsigned long dummy;
- return plpar_hcall(H_READ, flags, ptex, 0, 0, old_pteh_ret,
- old_ptel_ret, &dummy);
+ 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;
+}
+
+/* plpar_pte_read_raw can be called in real mode. It calls plpar_hcall_raw */
+static inline long plpar_pte_read_raw(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_raw(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,
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);
+ 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,
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? */
- return plpar_hcall(H_GET_TERM_CHAR, termno, 0, 0, 0, len_ret,
- lbuf + 0, lbuf + 1);
+
+ 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,
lbuf[1]);
}
-static inline long plpar_set_xdabr(unsigned long address, unsigned long flags)
+static inline long plpar_eoi(unsigned long xirr)
{
- return plpar_hcall_norets(H_SET_XDABR, address, flags);
+ return plpar_hcall_norets(H_EOI, xirr);
}
-static inline long plpar_set_dabr(unsigned long val)
+static inline long plpar_cppr(unsigned long cppr)
{
- return plpar_hcall_norets(H_SET_DABR, val);
+ 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 */
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff