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pdc.h
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1 #ifndef _PARISC_PDC_H
2 #define _PARISC_PDC_H
3 
4 #include <uapi/asm/pdc.h>
5 
6 #if !defined(__ASSEMBLY__)
7 
8 extern int pdc_type;
9 
10 /* Values for pdc_type */
11 #define PDC_TYPE_ILLEGAL -1
12 #define PDC_TYPE_PAT 0 /* 64-bit PAT-PDC */
13 #define PDC_TYPE_SYSTEM_MAP 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
14 #define PDC_TYPE_SNAKE 2 /* Doesn't support SYSTEM_MAP */
15 
16 struct pdc_chassis_info { /* for PDC_CHASSIS_INFO */
17  unsigned long actcnt; /* actual number of bytes returned */
18  unsigned long maxcnt; /* maximum number of bytes that could be returned */
19 };
20 
21 struct pdc_coproc_cfg { /* for PDC_COPROC_CFG */
22  unsigned long ccr_functional;
23  unsigned long ccr_present;
24  unsigned long revision;
25  unsigned long model;
26 };
27 
28 struct pdc_model { /* for PDC_MODEL */
29  unsigned long hversion;
30  unsigned long sversion;
31  unsigned long hw_id;
32  unsigned long boot_id;
33  unsigned long sw_id;
34  unsigned long sw_cap;
35  unsigned long arch_rev;
36  unsigned long pot_key;
37  unsigned long curr_key;
38 };
39 
40 struct pdc_cache_cf { /* for PDC_CACHE (I/D-caches) */
41  unsigned long
42 #ifdef CONFIG_64BIT
43  cc_padW:32,
44 #endif
45  cc_alias: 4, /* alias boundaries for virtual addresses */
46  cc_block: 4, /* to determine most efficient stride */
47  cc_line : 3, /* maximum amount written back as a result of store (multiple of 16 bytes) */
48  cc_shift: 2, /* how much to shift cc_block left */
49  cc_wt : 1, /* 0 = WT-Dcache, 1 = WB-Dcache */
50  cc_sh : 2, /* 0 = separate I/D-cache, else shared I/D-cache */
51  cc_cst : 3, /* 0 = incoherent D-cache, 1=coherent D-cache */
52  cc_pad1 : 10, /* reserved */
53  cc_hv : 3; /* hversion dependent */
54 };
55 
56 struct pdc_tlb_cf { /* for PDC_CACHE (I/D-TLB's) */
57  unsigned long tc_pad0:12, /* reserved */
58 #ifdef CONFIG_64BIT
59  tc_padW:32,
60 #endif
61  tc_sh : 2, /* 0 = separate I/D-TLB, else shared I/D-TLB */
62  tc_hv : 1, /* HV */
63  tc_page : 1, /* 0 = 2K page-size-machine, 1 = 4k page size */
64  tc_cst : 3, /* 0 = incoherent operations, else coherent operations */
65  tc_aid : 5, /* ITLB: width of access ids of processor (encoded!) */
66  tc_pad1 : 8; /* ITLB: width of space-registers (encoded) */
67 };
68 
69 struct pdc_cache_info { /* main-PDC_CACHE-structure (caches & TLB's) */
70  /* I-cache */
71  unsigned long ic_size; /* size in bytes */
72  struct pdc_cache_cf ic_conf; /* configuration */
73  unsigned long ic_base; /* base-addr */
74  unsigned long ic_stride;
75  unsigned long ic_count;
76  unsigned long ic_loop;
77  /* D-cache */
78  unsigned long dc_size; /* size in bytes */
79  struct pdc_cache_cf dc_conf; /* configuration */
80  unsigned long dc_base; /* base-addr */
81  unsigned long dc_stride;
82  unsigned long dc_count;
83  unsigned long dc_loop;
84  /* Instruction-TLB */
85  unsigned long it_size; /* number of entries in I-TLB */
86  struct pdc_tlb_cf it_conf; /* I-TLB-configuration */
87  unsigned long it_sp_base;
88  unsigned long it_sp_stride;
89  unsigned long it_sp_count;
90  unsigned long it_off_base;
91  unsigned long it_off_stride;
92  unsigned long it_off_count;
93  unsigned long it_loop;
94  /* data-TLB */
95  unsigned long dt_size; /* number of entries in D-TLB */
96  struct pdc_tlb_cf dt_conf; /* D-TLB-configuration */
97  unsigned long dt_sp_base;
98  unsigned long dt_sp_stride;
99  unsigned long dt_sp_count;
100  unsigned long dt_off_base;
101  unsigned long dt_off_stride;
102  unsigned long dt_off_count;
103  unsigned long dt_loop;
104 };
105 
106 #if 0
107 /* If you start using the next struct, you'll have to adjust it to
108  * work with 64-bit firmware I think -PB
109  */
110 struct pdc_iodc { /* PDC_IODC */
111  unsigned char hversion_model;
112  unsigned char hversion;
113  unsigned char spa;
114  unsigned char type;
115  unsigned int sversion_rev:4;
116  unsigned int sversion_model:19;
117  unsigned int sversion_opt:8;
118  unsigned char rev;
119  unsigned char dep;
120  unsigned char features;
121  unsigned char pad1;
122  unsigned int checksum:16;
123  unsigned int length:16;
124  unsigned int pad[15];
125 } __attribute__((aligned(8))) ;
126 #endif
127 
128 #ifndef CONFIG_PA20
129 /* no BLTBs in pa2.0 processors */
130 struct pdc_btlb_info_range {
131  __u8 res00;
132  __u8 num_i;
133  __u8 num_d;
134  __u8 num_comb;
135 };
136 
137 struct pdc_btlb_info { /* PDC_BLOCK_TLB, return of PDC_BTLB_INFO */
138  unsigned int min_size; /* minimum size of BTLB in pages */
139  unsigned int max_size; /* maximum size of BTLB in pages */
140  struct pdc_btlb_info_range fixed_range_info;
141  struct pdc_btlb_info_range variable_range_info;
142 };
143 
144 #endif /* !CONFIG_PA20 */
145 
146 #ifdef CONFIG_64BIT
147 struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */
148  unsigned long entries_returned;
149  unsigned long entries_total;
150 };
151 
152 struct pdc_memory_table { /* PDC_MEM/PDC_MEM_TABLE (arguments) */
153  unsigned long paddr;
154  unsigned int pages;
155  unsigned int reserved;
156 };
157 #endif /* CONFIG_64BIT */
158 
159 struct pdc_system_map_mod_info { /* PDC_SYSTEM_MAP/FIND_MODULE */
160  unsigned long mod_addr;
161  unsigned long mod_pgs;
162  unsigned long add_addrs;
163 };
164 
165 struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */
166  unsigned long mod_addr;
167  unsigned long mod_pgs;
168 };
169 
170 struct pdc_initiator { /* PDC_INITIATOR */
171  int host_id;
172  int factor;
173  int width;
174  int mode;
175 };
176 
177 struct hardware_path {
178  char flags; /* see bit definitions below */
179  char bc[6]; /* Bus Converter routing info to a specific */
180  /* I/O adaptor (< 0 means none, > 63 resvd) */
181  char mod; /* fixed field of specified module */
182 };
183 
184 /*
185  * Device path specifications used by PDC.
186  */
187 struct pdc_module_path {
188  struct hardware_path path;
189  unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
190 };
191 
192 #ifndef CONFIG_PA20
193 /* Only used on some pre-PA2.0 boxes */
194 struct pdc_memory_map { /* PDC_MEMORY_MAP */
195  unsigned long hpa; /* mod's register set address */
196  unsigned long more_pgs; /* number of additional I/O pgs */
197 };
198 #endif
199 
200 struct pdc_tod {
201  unsigned long tod_sec;
202  unsigned long tod_usec;
203 };
204 
205 /* architected results from PDC_PIM/transfer hpmc on a PA1.1 machine */
206 
207 struct pdc_hpmc_pim_11 { /* PDC_PIM */
208  __u32 gr[32];
209  __u32 cr[32];
210  __u32 sr[8];
211  __u32 iasq_back;
212  __u32 iaoq_back;
213  __u32 check_type;
214  __u32 cpu_state;
215  __u32 rsvd1;
216  __u32 cache_check;
217  __u32 tlb_check;
218  __u32 bus_check;
219  __u32 assists_check;
220  __u32 rsvd2;
221  __u32 assist_state;
222  __u32 responder_addr;
223  __u32 requestor_addr;
224  __u32 path_info;
225  __u64 fr[32];
226 };
227 
228 /*
229  * architected results from PDC_PIM/transfer hpmc on a PA2.0 machine
230  *
231  * Note that PDC_PIM doesn't care whether or not wide mode was enabled
232  * so the results are different on PA1.1 vs. PA2.0 when in narrow mode.
233  *
234  * Note also that there are unarchitected results available, which
235  * are hversion dependent. Do a "ser pim 0 hpmc" after rebooting, since
236  * the firmware is probably the best way of printing hversion dependent
237  * data.
238  */
239 
240 struct pdc_hpmc_pim_20 { /* PDC_PIM */
241  __u64 gr[32];
242  __u64 cr[32];
243  __u64 sr[8];
244  __u64 iasq_back;
245  __u64 iaoq_back;
246  __u32 check_type;
247  __u32 cpu_state;
248  __u32 cache_check;
249  __u32 tlb_check;
250  __u32 bus_check;
251  __u32 assists_check;
252  __u32 assist_state;
253  __u32 path_info;
254  __u64 responder_addr;
255  __u64 requestor_addr;
256  __u64 fr[32];
257 };
258 
259 void pdc_console_init(void); /* in pdc_console.c */
260 void pdc_console_restart(void);
261 
262 void setup_pdc(void); /* in inventory.c */
263 
264 /* wrapper-functions from pdc.c */
265 
266 int pdc_add_valid(unsigned long address);
267 int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
268 int pdc_chassis_disp(unsigned long disp);
269 int pdc_chassis_warn(unsigned long *warn);
270 int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
271 int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
272 int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
273  void *iodc_data, unsigned int iodc_data_size);
274 int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
275  struct pdc_module_path *mod_path, long mod_index);
276 int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
277  long mod_index, long addr_index);
278 int pdc_model_info(struct pdc_model *model);
279 int pdc_model_sysmodel(char *name);
280 int pdc_model_cpuid(unsigned long *cpu_id);
281 int pdc_model_versions(unsigned long *versions, int id);
282 int pdc_model_capabilities(unsigned long *capabilities);
283 int pdc_cache_info(struct pdc_cache_info *cache);
284 int pdc_spaceid_bits(unsigned long *space_bits);
285 #ifndef CONFIG_PA20
286 int pdc_btlb_info(struct pdc_btlb_info *btlb);
287 int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
288 #endif /* !CONFIG_PA20 */
289 int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
290 
291 int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
292 int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
293 int pdc_stable_get_size(unsigned long *size);
294 int pdc_stable_verify_contents(void);
295 int pdc_stable_initialize(void);
296 
297 int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
298 int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
299 
300 int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
301 int pdc_tod_read(struct pdc_tod *tod);
302 int pdc_tod_set(unsigned long sec, unsigned long usec);
303 
304 #ifdef CONFIG_64BIT
305 int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
306  struct pdc_memory_table *tbl, unsigned long entries);
307 #endif
308 
309 void set_firmware_width(void);
310 void set_firmware_width_unlocked(void);
311 int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
312 int pdc_do_reset(void);
313 int pdc_soft_power_info(unsigned long *power_reg);
314 int pdc_soft_power_button(int sw_control);
315 void pdc_io_reset(void);
316 void pdc_io_reset_devices(void);
317 int pdc_iodc_getc(void);
318 int pdc_iodc_print(const unsigned char *str, unsigned count);
319 
320 void pdc_emergency_unlock(void);
321 int pdc_sti_call(unsigned long func, unsigned long flags,
322  unsigned long inptr, unsigned long outputr,
323  unsigned long glob_cfg);
324 
325 static inline char * os_id_to_string(u16 os_id) {
326  switch(os_id) {
327  case OS_ID_NONE: return "No OS";
328  case OS_ID_HPUX: return "HP-UX";
329  case OS_ID_MPEXL: return "MPE-iX";
330  case OS_ID_OSF: return "OSF";
331  case OS_ID_HPRT: return "HP-RT";
332  case OS_ID_NOVEL: return "Novell Netware";
333  case OS_ID_LINUX: return "Linux";
334  default: return "Unknown";
335  }
336 }
337 
338 #endif /* !defined(__ASSEMBLY__) */
339 #endif /* _PARISC_PDC_H */
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