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 | } |
20 | ||
40765d2b | 21 | static inline long vpa_call(unsigned long flags, unsigned long cpu, |
a1218720 ME |
22 | unsigned long vpa) |
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 | } |
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; |
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 */ |