Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 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 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 8 | return plpar_hcall_norets(H_POLL_PENDING); |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 9 | } |
| 10 | |
| 11 | static inline long prod_processor(void) |
| 12 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 13 | return plpar_hcall_norets(H_PROD); |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 14 | } |
| 15 | |
| 16 | static inline long cede_processor(void) |
| 17 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 18 | return plpar_hcall_norets(H_CEDE); |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 19 | } |
| 20 | |
Michael Ellerman | 40765d2 | 2005-11-03 19:34:38 +1100 | [diff] [blame] | 21 | static inline long vpa_call(unsigned long flags, unsigned long cpu, |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 22 | unsigned long vpa) |
| 23 | { |
Michael Ellerman | 40765d2 | 2005-11-03 19:34:38 +1100 | [diff] [blame] | 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); |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 28 | } |
| 29 | |
Michael Ellerman | 40765d2 | 2005-11-03 19:34:38 +1100 | [diff] [blame] | 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); |
| 38 | } |
| 39 | |
Michael Neuling | 2f6093c | 2006-08-07 16:19:19 +1000 | [diff] [blame] | 40 | static inline long unregister_slb_shadow(unsigned long cpu, unsigned long vpa) |
| 41 | { |
| 42 | return vpa_call(0x7, cpu, vpa); |
| 43 | } |
| 44 | |
| 45 | static inline long register_slb_shadow(unsigned long cpu, unsigned long vpa) |
| 46 | { |
| 47 | return vpa_call(0x3, cpu, vpa); |
| 48 | } |
| 49 | |
Michael Ellerman | 40765d2 | 2005-11-03 19:34:38 +1100 | [diff] [blame] | 50 | extern void vpa_init(int cpu); |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 51 | |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 52 | static inline long plpar_pte_enter(unsigned long flags, |
| 53 | unsigned long hpte_group, unsigned long hpte_v, |
| 54 | unsigned long hpte_r, unsigned long *slot) |
| 55 | { |
| 56 | long rc; |
| 57 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 58 | |
| 59 | rc = plpar_hcall(H_ENTER, retbuf, flags, hpte_group, hpte_v, hpte_r); |
| 60 | |
| 61 | *slot = retbuf[0]; |
| 62 | |
| 63 | return rc; |
| 64 | } |
| 65 | |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 66 | static inline long plpar_pte_remove(unsigned long flags, unsigned long ptex, |
| 67 | unsigned long avpn, unsigned long *old_pteh_ret, |
| 68 | unsigned long *old_ptel_ret) |
| 69 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 70 | long rc; |
| 71 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 72 | |
| 73 | rc = plpar_hcall(H_REMOVE, retbuf, flags, ptex, avpn); |
| 74 | |
| 75 | *old_pteh_ret = retbuf[0]; |
| 76 | *old_ptel_ret = retbuf[1]; |
| 77 | |
| 78 | return rc; |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 79 | } |
| 80 | |
Mohan Kumar M | b4aea36 | 2007-03-21 11:21:32 +0530 | [diff] [blame] | 81 | /* plpar_pte_remove_raw can be called in real mode. It calls plpar_hcall_raw */ |
| 82 | static inline long plpar_pte_remove_raw(unsigned long flags, unsigned long ptex, |
| 83 | unsigned long avpn, unsigned long *old_pteh_ret, |
| 84 | unsigned long *old_ptel_ret) |
| 85 | { |
| 86 | long rc; |
| 87 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 88 | |
| 89 | rc = plpar_hcall_raw(H_REMOVE, retbuf, flags, ptex, avpn); |
| 90 | |
| 91 | *old_pteh_ret = retbuf[0]; |
| 92 | *old_ptel_ret = retbuf[1]; |
| 93 | |
| 94 | return rc; |
| 95 | } |
| 96 | |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 97 | static inline long plpar_pte_read(unsigned long flags, unsigned long ptex, |
| 98 | unsigned long *old_pteh_ret, unsigned long *old_ptel_ret) |
| 99 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 100 | long rc; |
| 101 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 102 | |
| 103 | rc = plpar_hcall(H_READ, retbuf, flags, ptex); |
| 104 | |
| 105 | *old_pteh_ret = retbuf[0]; |
| 106 | *old_ptel_ret = retbuf[1]; |
| 107 | |
| 108 | return rc; |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 109 | } |
| 110 | |
Sachin P. Sant | b7abc5c | 2007-06-14 15:31:34 +1000 | [diff] [blame^] | 111 | /* plpar_pte_read_raw can be called in real mode. It calls plpar_hcall_raw */ |
| 112 | static inline long plpar_pte_read_raw(unsigned long flags, unsigned long ptex, |
| 113 | unsigned long *old_pteh_ret, unsigned long *old_ptel_ret) |
| 114 | { |
| 115 | long rc; |
| 116 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 117 | |
| 118 | rc = plpar_hcall_raw(H_READ, retbuf, flags, ptex); |
| 119 | |
| 120 | *old_pteh_ret = retbuf[0]; |
| 121 | *old_ptel_ret = retbuf[1]; |
| 122 | |
| 123 | return rc; |
| 124 | } |
| 125 | |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 126 | static inline long plpar_pte_protect(unsigned long flags, unsigned long ptex, |
| 127 | unsigned long avpn) |
| 128 | { |
| 129 | return plpar_hcall_norets(H_PROTECT, flags, ptex, avpn); |
| 130 | } |
| 131 | |
| 132 | static inline long plpar_tce_get(unsigned long liobn, unsigned long ioba, |
| 133 | unsigned long *tce_ret) |
| 134 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 135 | long rc; |
| 136 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 137 | |
| 138 | rc = plpar_hcall(H_GET_TCE, retbuf, liobn, ioba); |
| 139 | |
| 140 | *tce_ret = retbuf[0]; |
| 141 | |
| 142 | return rc; |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 143 | } |
| 144 | |
| 145 | static inline long plpar_tce_put(unsigned long liobn, unsigned long ioba, |
| 146 | unsigned long tceval) |
| 147 | { |
| 148 | return plpar_hcall_norets(H_PUT_TCE, liobn, ioba, tceval); |
| 149 | } |
| 150 | |
| 151 | static inline long plpar_tce_put_indirect(unsigned long liobn, |
| 152 | unsigned long ioba, unsigned long page, unsigned long count) |
| 153 | { |
| 154 | return plpar_hcall_norets(H_PUT_TCE_INDIRECT, liobn, ioba, page, count); |
| 155 | } |
| 156 | |
| 157 | static inline long plpar_tce_stuff(unsigned long liobn, unsigned long ioba, |
| 158 | unsigned long tceval, unsigned long count) |
| 159 | { |
| 160 | return plpar_hcall_norets(H_STUFF_TCE, liobn, ioba, tceval, count); |
| 161 | } |
| 162 | |
| 163 | static inline long plpar_get_term_char(unsigned long termno, |
| 164 | unsigned long *len_ret, char *buf_ret) |
| 165 | { |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 166 | long rc; |
| 167 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 168 | unsigned long *lbuf = (unsigned long *)buf_ret; /* TODO: alignment? */ |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 169 | |
| 170 | rc = plpar_hcall(H_GET_TERM_CHAR, retbuf, termno); |
| 171 | |
| 172 | *len_ret = retbuf[0]; |
| 173 | lbuf[0] = retbuf[1]; |
| 174 | lbuf[1] = retbuf[2]; |
| 175 | |
| 176 | return rc; |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 177 | } |
| 178 | |
| 179 | static inline long plpar_put_term_char(unsigned long termno, unsigned long len, |
| 180 | const char *buffer) |
| 181 | { |
| 182 | unsigned long *lbuf = (unsigned long *)buffer; /* TODO: alignment? */ |
| 183 | return plpar_hcall_norets(H_PUT_TERM_CHAR, termno, len, lbuf[0], |
| 184 | lbuf[1]); |
| 185 | } |
| 186 | |
Anton Blanchard | b9377ff | 2006-07-19 08:01:28 +1000 | [diff] [blame] | 187 | static inline long plpar_eoi(unsigned long xirr) |
| 188 | { |
| 189 | return plpar_hcall_norets(H_EOI, xirr); |
| 190 | } |
| 191 | |
| 192 | static inline long plpar_cppr(unsigned long cppr) |
| 193 | { |
| 194 | return plpar_hcall_norets(H_CPPR, cppr); |
| 195 | } |
| 196 | |
| 197 | static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr) |
| 198 | { |
| 199 | return plpar_hcall_norets(H_IPI, servernum, mfrr); |
| 200 | } |
| 201 | |
| 202 | static inline long plpar_xirr(unsigned long *xirr_ret) |
| 203 | { |
| 204 | long rc; |
| 205 | unsigned long retbuf[PLPAR_HCALL_BUFSIZE]; |
| 206 | |
| 207 | rc = plpar_hcall(H_XIRR, retbuf); |
| 208 | |
| 209 | *xirr_ret = retbuf[0]; |
| 210 | |
| 211 | return rc; |
| 212 | } |
| 213 | |
Michael Ellerman | a121872 | 2005-11-03 15:33:31 +1100 | [diff] [blame] | 214 | #endif /* _PSERIES_PLPAR_WRAPPERS_H */ |