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1 /*
2  * Copyright 2013 Tilera Corporation. All Rights Reserved.
3  *
4  *   This program is free software; you can redistribute it and/or
5  *   modify it under the terms of the GNU General Public License
6  *   as published by the Free Software Foundation, version 2.
7  *
8  *   This program is distributed in the hope that it will be useful, but
9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
11  *   NON INFRINGEMENT.  See the GNU General Public License for
12  *   more details.
13  */
14 
15 /*
16  * Pull in the hypervisor header so we declare all the ABI functions
17  * with the underscore versions, then undef the names so that we can
18  * provide our own wrapper versions.
19  */
20 #define hv_init _hv_init
21 #define hv_install_context _hv_install_context
22 #define hv_sysconf _hv_sysconf
23 #define hv_get_rtc _hv_get_rtc
24 #define hv_set_rtc _hv_set_rtc
25 #define hv_flush_asid _hv_flush_asid
26 #define hv_flush_page _hv_flush_page
27 #define hv_flush_pages _hv_flush_pages
28 #define hv_restart _hv_restart
29 #define hv_halt _hv_halt
30 #define hv_power_off _hv_power_off
31 #define hv_inquire_physical _hv_inquire_physical
32 #define hv_inquire_memory_controller _hv_inquire_memory_controller
33 #define hv_inquire_virtual _hv_inquire_virtual
34 #define hv_inquire_asid _hv_inquire_asid
35 #define hv_nanosleep _hv_nanosleep
36 #define hv_console_read_if_ready _hv_console_read_if_ready
37 #define hv_console_write _hv_console_write
38 #define hv_downcall_dispatch _hv_downcall_dispatch
39 #define hv_inquire_topology _hv_inquire_topology
40 #define hv_fs_findfile _hv_fs_findfile
41 #define hv_fs_fstat _hv_fs_fstat
42 #define hv_fs_pread _hv_fs_pread
43 #define hv_physaddr_read64 _hv_physaddr_read64
44 #define hv_physaddr_write64 _hv_physaddr_write64
45 #define hv_get_command_line _hv_get_command_line
46 #define hv_set_caching _hv_set_caching
47 #define hv_bzero_page _hv_bzero_page
48 #define hv_register_message_state _hv_register_message_state
49 #define hv_send_message _hv_send_message
50 #define hv_receive_message _hv_receive_message
51 #define hv_inquire_context _hv_inquire_context
52 #define hv_start_all_tiles _hv_start_all_tiles
53 #define hv_dev_open _hv_dev_open
54 #define hv_dev_close _hv_dev_close
55 #define hv_dev_pread _hv_dev_pread
56 #define hv_dev_pwrite _hv_dev_pwrite
57 #define hv_dev_poll _hv_dev_poll
58 #define hv_dev_poll_cancel _hv_dev_poll_cancel
59 #define hv_dev_preada _hv_dev_preada
60 #define hv_dev_pwritea _hv_dev_pwritea
61 #define hv_flush_remote _hv_flush_remote
62 #define hv_console_putc _hv_console_putc
63 #define hv_inquire_tiles _hv_inquire_tiles
64 #define hv_confstr _hv_confstr
65 #define hv_reexec _hv_reexec
66 #define hv_set_command_line _hv_set_command_line
67 #define hv_clear_intr _hv_clear_intr
68 #define hv_enable_intr _hv_enable_intr
69 #define hv_disable_intr _hv_disable_intr
70 #define hv_raise_intr _hv_raise_intr
71 #define hv_trigger_ipi _hv_trigger_ipi
72 #define hv_store_mapping _hv_store_mapping
73 #define hv_inquire_realpa _hv_inquire_realpa
74 #define hv_flush_all _hv_flush_all
75 #define hv_get_ipi_pte _hv_get_ipi_pte
76 #define hv_set_pte_super_shift _hv_set_pte_super_shift
77 #define hv_console_set_ipi _hv_console_set_ipi
78 #define hv_send_nmi _hv_send_nmi
79 #include <hv/hypervisor.h>
80 #undef hv_init
81 #undef hv_install_context
82 #undef hv_sysconf
83 #undef hv_get_rtc
84 #undef hv_set_rtc
85 #undef hv_flush_asid
86 #undef hv_flush_page
87 #undef hv_flush_pages
88 #undef hv_restart
89 #undef hv_halt
90 #undef hv_power_off
91 #undef hv_inquire_physical
92 #undef hv_inquire_memory_controller
93 #undef hv_inquire_virtual
94 #undef hv_inquire_asid
95 #undef hv_nanosleep
96 #undef hv_console_read_if_ready
97 #undef hv_console_write
98 #undef hv_downcall_dispatch
99 #undef hv_inquire_topology
100 #undef hv_fs_findfile
101 #undef hv_fs_fstat
102 #undef hv_fs_pread
103 #undef hv_physaddr_read64
104 #undef hv_physaddr_write64
105 #undef hv_get_command_line
106 #undef hv_set_caching
107 #undef hv_bzero_page
108 #undef hv_register_message_state
109 #undef hv_send_message
110 #undef hv_receive_message
111 #undef hv_inquire_context
112 #undef hv_start_all_tiles
113 #undef hv_dev_open
114 #undef hv_dev_close
115 #undef hv_dev_pread
116 #undef hv_dev_pwrite
117 #undef hv_dev_poll
118 #undef hv_dev_poll_cancel
119 #undef hv_dev_preada
120 #undef hv_dev_pwritea
121 #undef hv_flush_remote
122 #undef hv_console_putc
123 #undef hv_inquire_tiles
124 #undef hv_confstr
125 #undef hv_reexec
126 #undef hv_set_command_line
127 #undef hv_clear_intr
128 #undef hv_enable_intr
129 #undef hv_disable_intr
130 #undef hv_raise_intr
131 #undef hv_trigger_ipi
132 #undef hv_store_mapping
133 #undef hv_inquire_realpa
134 #undef hv_flush_all
135 #undef hv_get_ipi_pte
136 #undef hv_set_pte_super_shift
137 #undef hv_console_set_ipi
138 #undef hv_send_nmi
139 
140 /*
141  * Provide macros based on <linux/syscalls.h> to provide a wrapper
142  * function that invokes the same function with an underscore prefix.
143  * We can't use the existing __SC_xxx macros because we need to
144  * support up to nine arguments rather than up to six, and also this
145  * way the file stands alone from possible changes in the
146  * implementation of <linux/syscalls.h>.
147  */
148 #define HV_WRAP0(type, name)					\
149 	type name(void);					\
150 	type name(void)						\
151 	{							\
152 		return _##name();				\
153 	}
154 #define __HV_DECL1(t1, a1)	t1 a1
155 #define __HV_DECL2(t2, a2, ...) t2 a2, __HV_DECL1(__VA_ARGS__)
156 #define __HV_DECL3(t3, a3, ...) t3 a3, __HV_DECL2(__VA_ARGS__)
157 #define __HV_DECL4(t4, a4, ...) t4 a4, __HV_DECL3(__VA_ARGS__)
158 #define __HV_DECL5(t5, a5, ...) t5 a5, __HV_DECL4(__VA_ARGS__)
159 #define __HV_DECL6(t6, a6, ...) t6 a6, __HV_DECL5(__VA_ARGS__)
160 #define __HV_DECL7(t7, a7, ...) t7 a7, __HV_DECL6(__VA_ARGS__)
161 #define __HV_DECL8(t8, a8, ...) t8 a8, __HV_DECL7(__VA_ARGS__)
162 #define __HV_DECL9(t9, a9, ...) t9 a9, __HV_DECL8(__VA_ARGS__)
163 #define __HV_PASS1(t1, a1)	a1
164 #define __HV_PASS2(t2, a2, ...) a2, __HV_PASS1(__VA_ARGS__)
165 #define __HV_PASS3(t3, a3, ...) a3, __HV_PASS2(__VA_ARGS__)
166 #define __HV_PASS4(t4, a4, ...) a4, __HV_PASS3(__VA_ARGS__)
167 #define __HV_PASS5(t5, a5, ...) a5, __HV_PASS4(__VA_ARGS__)
168 #define __HV_PASS6(t6, a6, ...) a6, __HV_PASS5(__VA_ARGS__)
169 #define __HV_PASS7(t7, a7, ...) a7, __HV_PASS6(__VA_ARGS__)
170 #define __HV_PASS8(t8, a8, ...) a8, __HV_PASS7(__VA_ARGS__)
171 #define __HV_PASS9(t9, a9, ...) a9, __HV_PASS8(__VA_ARGS__)
172 #define HV_WRAPx(x, type, name, ...)				\
173 	type name(__HV_DECL##x(__VA_ARGS__));			\
174 	type name(__HV_DECL##x(__VA_ARGS__))			\
175 	{							\
176 		return _##name(__HV_PASS##x(__VA_ARGS__));	\
177 	}
178 #define HV_WRAP1(type, name, ...) HV_WRAPx(1, type, name, __VA_ARGS__)
179 #define HV_WRAP2(type, name, ...) HV_WRAPx(2, type, name, __VA_ARGS__)
180 #define HV_WRAP3(type, name, ...) HV_WRAPx(3, type, name, __VA_ARGS__)
181 #define HV_WRAP4(type, name, ...) HV_WRAPx(4, type, name, __VA_ARGS__)
182 #define HV_WRAP5(type, name, ...) HV_WRAPx(5, type, name, __VA_ARGS__)
183 #define HV_WRAP6(type, name, ...) HV_WRAPx(6, type, name, __VA_ARGS__)
184 #define HV_WRAP7(type, name, ...) HV_WRAPx(7, type, name, __VA_ARGS__)
185 #define HV_WRAP8(type, name, ...) HV_WRAPx(8, type, name, __VA_ARGS__)
186 #define HV_WRAP9(type, name, ...) HV_WRAPx(9, type, name, __VA_ARGS__)
187 
188 /* List all the hypervisor API functions. */
189 HV_WRAP4(void, hv_init, HV_VersionNumber, interface_version_number,
190 	 int, chip_num, int, chip_rev_num, int, client_pl)
191 HV_WRAP1(long, hv_sysconf, HV_SysconfQuery, query)
192 HV_WRAP3(int, hv_confstr, HV_ConfstrQuery, query, HV_VirtAddr, buf, int, len)
193 #if CHIP_HAS_IPI()
194 HV_WRAP3(int, hv_get_ipi_pte, HV_Coord, tile, int, pl, HV_PTE*, pte)
195 HV_WRAP3(int, hv_console_set_ipi, int, ipi, int, event, HV_Coord, coord);
196 #else
197 HV_WRAP1(void, hv_enable_intr, HV_IntrMask, enab_mask)
198 HV_WRAP1(void, hv_disable_intr, HV_IntrMask, disab_mask)
199 HV_WRAP1(void, hv_clear_intr, HV_IntrMask, clear_mask)
200 HV_WRAP1(void, hv_raise_intr, HV_IntrMask, raise_mask)
201 HV_WRAP2(HV_Errno, hv_trigger_ipi, HV_Coord, tile, int, interrupt)
202 #endif /* !CHIP_HAS_IPI() */
203 HV_WRAP3(int, hv_store_mapping, HV_VirtAddr, va, unsigned int, len,
204 	 HV_PhysAddr, pa)
205 HV_WRAP2(HV_PhysAddr, hv_inquire_realpa, HV_PhysAddr, cpa, unsigned int, len)
206 HV_WRAP0(HV_RTCTime, hv_get_rtc)
207 HV_WRAP1(void, hv_set_rtc, HV_RTCTime, time)
208 HV_WRAP4(int, hv_install_context, HV_PhysAddr, page_table, HV_PTE, access,
209 	 HV_ASID, asid, __hv32, flags)
210 HV_WRAP2(int, hv_set_pte_super_shift, int, level, int, log2_count)
211 HV_WRAP0(HV_Context, hv_inquire_context)
212 HV_WRAP1(int, hv_flush_asid, HV_ASID, asid)
213 HV_WRAP2(int, hv_flush_page, HV_VirtAddr, address, HV_PageSize, page_size)
214 HV_WRAP3(int, hv_flush_pages, HV_VirtAddr, start, HV_PageSize, page_size,
215 	 unsigned long, size)
216 HV_WRAP1(int, hv_flush_all, int, preserve_global)
217 HV_WRAP2(void, hv_restart, HV_VirtAddr, cmd, HV_VirtAddr, args)
218 HV_WRAP0(void, hv_halt)
219 HV_WRAP0(void, hv_power_off)
220 HV_WRAP1(int, hv_reexec, HV_PhysAddr, entry)
221 HV_WRAP0(HV_Topology, hv_inquire_topology)
222 HV_WRAP3(HV_Errno, hv_inquire_tiles, HV_InqTileSet, set, HV_VirtAddr, cpumask,
223 	 int, length)
224 HV_WRAP1(HV_PhysAddrRange, hv_inquire_physical, int, idx)
225 HV_WRAP2(HV_MemoryControllerInfo, hv_inquire_memory_controller, HV_Coord, coord,
226 	 int, controller)
227 HV_WRAP1(HV_VirtAddrRange, hv_inquire_virtual, int, idx)
228 HV_WRAP1(HV_ASIDRange, hv_inquire_asid, int, idx)
229 HV_WRAP1(void, hv_nanosleep, int, nanosecs)
230 HV_WRAP0(int, hv_console_read_if_ready)
231 HV_WRAP1(void, hv_console_putc, int, byte)
232 HV_WRAP2(int, hv_console_write, HV_VirtAddr, bytes, int, len)
233 HV_WRAP0(void, hv_downcall_dispatch)
234 HV_WRAP1(int, hv_fs_findfile, HV_VirtAddr, filename)
235 HV_WRAP1(HV_FS_StatInfo, hv_fs_fstat, int, inode)
236 HV_WRAP4(int, hv_fs_pread, int, inode, HV_VirtAddr, buf,
237 	 int, length, int, offset)
238 HV_WRAP2(unsigned long long, hv_physaddr_read64, HV_PhysAddr, addr,
239 	 HV_PTE, access)
240 HV_WRAP3(void, hv_physaddr_write64, HV_PhysAddr, addr, HV_PTE, access,
241 	 unsigned long long, val)
242 HV_WRAP2(int, hv_get_command_line, HV_VirtAddr, buf, int, length)
243 HV_WRAP2(HV_Errno, hv_set_command_line, HV_VirtAddr, buf, int, length)
244 HV_WRAP1(void, hv_set_caching, unsigned long, bitmask)
245 HV_WRAP2(void, hv_bzero_page, HV_VirtAddr, va, unsigned int, size)
246 HV_WRAP1(HV_Errno, hv_register_message_state, HV_MsgState*, msgstate)
247 HV_WRAP4(int, hv_send_message, HV_Recipient *, recips, int, nrecip,
248 	 HV_VirtAddr, buf, int, buflen)
249 HV_WRAP3(HV_RcvMsgInfo, hv_receive_message, HV_MsgState, msgstate,
250 	 HV_VirtAddr, buf, int, buflen)
251 HV_WRAP0(void, hv_start_all_tiles)
252 HV_WRAP2(int, hv_dev_open, HV_VirtAddr, name, __hv32, flags)
253 HV_WRAP1(int, hv_dev_close, int, devhdl)
254 HV_WRAP5(int, hv_dev_pread, int, devhdl, __hv32, flags, HV_VirtAddr, va,
255 	 __hv32, len, __hv64, offset)
256 HV_WRAP5(int, hv_dev_pwrite, int, devhdl, __hv32, flags, HV_VirtAddr, va,
257 	 __hv32, len, __hv64, offset)
258 HV_WRAP3(int, hv_dev_poll, int, devhdl, __hv32, events, HV_IntArg, intarg)
259 HV_WRAP1(int, hv_dev_poll_cancel, int, devhdl)
260 HV_WRAP6(int, hv_dev_preada, int, devhdl, __hv32, flags, __hv32, sgl_len,
261 	 HV_SGL *, sglp, __hv64, offset, HV_IntArg, intarg)
262 HV_WRAP6(int, hv_dev_pwritea, int, devhdl, __hv32, flags, __hv32, sgl_len,
263 	 HV_SGL *, sglp, __hv64, offset, HV_IntArg, intarg)
264 HV_WRAP9(int, hv_flush_remote, HV_PhysAddr, cache_pa,
265 	 unsigned long, cache_control, unsigned long*, cache_cpumask,
266 	 HV_VirtAddr, tlb_va, unsigned long, tlb_length,
267 	 unsigned long, tlb_pgsize, unsigned long*, tlb_cpumask,
268 	 HV_Remote_ASID*, asids, int, asidcount)
269 HV_WRAP3(HV_NMI_Info, hv_send_nmi, HV_Coord, tile, unsigned long, info,
270 	 __hv64, flags)
271