tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _PARISC_PDC_H
2#define _PARISC_PDC_H
3
4#include <uapi/asm/pdc.h>
5
6#if !defined(__ASSEMBLY__)
7
8extern int pdc_type;
9extern unsigned long parisc_cell_num; /* cell number the CPU runs on (PAT) */
10extern unsigned long parisc_cell_loc; /* cell location of CPU (PAT) */
11
12/* Values for pdc_type */
13#define PDC_TYPE_ILLEGAL -1
14#define PDC_TYPE_PAT 0 /* 64-bit PAT-PDC */
15#define PDC_TYPE_SYSTEM_MAP 1 /* 32-bit, but supports PDC_SYSTEM_MAP */
16#define PDC_TYPE_SNAKE 2 /* Doesn't support SYSTEM_MAP */
17
18struct pdc_chassis_info { /* for PDC_CHASSIS_INFO */
19 unsigned long actcnt; /* actual number of bytes returned */
20 unsigned long maxcnt; /* maximum number of bytes that could be returned */
21};
22
23struct pdc_coproc_cfg { /* for PDC_COPROC_CFG */
24 unsigned long ccr_functional;
25 unsigned long ccr_present;
26 unsigned long revision;
27 unsigned long model;
28};
29
30struct pdc_model { /* for PDC_MODEL */
31 unsigned long hversion;
32 unsigned long sversion;
33 unsigned long hw_id;
34 unsigned long boot_id;
35 unsigned long sw_id;
36 unsigned long sw_cap;
37 unsigned long arch_rev;
38 unsigned long pot_key;
39 unsigned long curr_key;
40};
41
42struct pdc_cache_cf { /* for PDC_CACHE (I/D-caches) */
43 unsigned long
44#ifdef CONFIG_64BIT
45 cc_padW:32,
46#endif
47 cc_alias: 4, /* alias boundaries for virtual addresses */
48 cc_block: 4, /* to determine most efficient stride */
49 cc_line : 3, /* maximum amount written back as a result of store (multiple of 16 bytes) */
50 cc_shift: 2, /* how much to shift cc_block left */
51 cc_wt : 1, /* 0 = WT-Dcache, 1 = WB-Dcache */
52 cc_sh : 2, /* 0 = separate I/D-cache, else shared I/D-cache */
53 cc_cst : 3, /* 0 = incoherent D-cache, 1=coherent D-cache */
54 cc_pad1 : 10, /* reserved */
55 cc_hv : 3; /* hversion dependent */
56};
57
58struct pdc_tlb_cf { /* for PDC_CACHE (I/D-TLB's) */
59 unsigned long tc_pad0:12, /* reserved */
60#ifdef CONFIG_64BIT
61 tc_padW:32,
62#endif
63 tc_sh : 2, /* 0 = separate I/D-TLB, else shared I/D-TLB */
64 tc_hv : 1, /* HV */
65 tc_page : 1, /* 0 = 2K page-size-machine, 1 = 4k page size */
66 tc_cst : 3, /* 0 = incoherent operations, else coherent operations */
67 tc_aid : 5, /* ITLB: width of access ids of processor (encoded!) */
68 tc_sr : 8; /* ITLB: width of space-registers (encoded) */
69};
70
71struct pdc_cache_info { /* main-PDC_CACHE-structure (caches & TLB's) */
72 /* I-cache */
73 unsigned long ic_size; /* size in bytes */
74 struct pdc_cache_cf ic_conf; /* configuration */
75 unsigned long ic_base; /* base-addr */
76 unsigned long ic_stride;
77 unsigned long ic_count;
78 unsigned long ic_loop;
79 /* D-cache */
80 unsigned long dc_size; /* size in bytes */
81 struct pdc_cache_cf dc_conf; /* configuration */
82 unsigned long dc_base; /* base-addr */
83 unsigned long dc_stride;
84 unsigned long dc_count;
85 unsigned long dc_loop;
86 /* Instruction-TLB */
87 unsigned long it_size; /* number of entries in I-TLB */
88 struct pdc_tlb_cf it_conf; /* I-TLB-configuration */
89 unsigned long it_sp_base;
90 unsigned long it_sp_stride;
91 unsigned long it_sp_count;
92 unsigned long it_off_base;
93 unsigned long it_off_stride;
94 unsigned long it_off_count;
95 unsigned long it_loop;
96 /* data-TLB */
97 unsigned long dt_size; /* number of entries in D-TLB */
98 struct pdc_tlb_cf dt_conf; /* D-TLB-configuration */
99 unsigned long dt_sp_base;
100 unsigned long dt_sp_stride;
101 unsigned long dt_sp_count;
102 unsigned long dt_off_base;
103 unsigned long dt_off_stride;
104 unsigned long dt_off_count;
105 unsigned long dt_loop;
106};
107
108#if 0
109/* If you start using the next struct, you'll have to adjust it to
110 * work with 64-bit firmware I think -PB
111 */
112struct pdc_iodc { /* PDC_IODC */
113 unsigned char hversion_model;
114 unsigned char hversion;
115 unsigned char spa;
116 unsigned char type;
117 unsigned int sversion_rev:4;
118 unsigned int sversion_model:19;
119 unsigned int sversion_opt:8;
120 unsigned char rev;
121 unsigned char dep;
122 unsigned char features;
123 unsigned char pad1;
124 unsigned int checksum:16;
125 unsigned int length:16;
126 unsigned int pad[15];
127} __attribute__((aligned(8))) ;
128#endif
129
130#ifndef CONFIG_PA20
131/* no BLTBs in pa2.0 processors */
132struct pdc_btlb_info_range {
133 __u8 res00;
134 __u8 num_i;
135 __u8 num_d;
136 __u8 num_comb;
137};
138
139struct pdc_btlb_info { /* PDC_BLOCK_TLB, return of PDC_BTLB_INFO */
140 unsigned int min_size; /* minimum size of BTLB in pages */
141 unsigned int max_size; /* maximum size of BTLB in pages */
142 struct pdc_btlb_info_range fixed_range_info;
143 struct pdc_btlb_info_range variable_range_info;
144};
145
146#endif /* !CONFIG_PA20 */
147
148struct pdc_mem_retinfo { /* PDC_MEM/PDC_MEM_MEMINFO (return info) */
149 unsigned long pdt_size;
150 unsigned long pdt_entries;
151 unsigned long pdt_status;
152 unsigned long first_dbe_loc;
153 unsigned long good_mem;
154};
155
156struct pdc_mem_read_pdt { /* PDC_MEM/PDC_MEM_READ_PDT (return info) */
157 unsigned long pdt_entries;
158};
159
160#ifdef CONFIG_64BIT
161struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */
162 unsigned long entries_returned;
163 unsigned long entries_total;
164};
165
166struct pdc_memory_table { /* PDC_MEM/PDC_MEM_TABLE (arguments) */
167 unsigned long paddr;
168 unsigned int pages;
169 unsigned int reserved;
170};
171#endif /* CONFIG_64BIT */
172
173struct pdc_system_map_mod_info { /* PDC_SYSTEM_MAP/FIND_MODULE */
174 unsigned long mod_addr;
175 unsigned long mod_pgs;
176 unsigned long add_addrs;
177};
178
179struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */
180 unsigned long mod_addr;
181 unsigned long mod_pgs;
182};
183
184struct pdc_initiator { /* PDC_INITIATOR */
185 int host_id;
186 int factor;
187 int width;
188 int mode;
189};
190
191struct hardware_path {
192 char flags; /* see bit definitions below */
193 char bc[6]; /* Bus Converter routing info to a specific */
194 /* I/O adaptor (< 0 means none, > 63 resvd) */
195 char mod; /* fixed field of specified module */
196};
197
198/*
199 * Device path specifications used by PDC.
200 */
201struct pdc_module_path {
202 struct hardware_path path;
203 unsigned int layers[6]; /* device-specific info (ctlr #, unit # ...) */
204};
205
206#ifndef CONFIG_PA20
207/* Only used on some pre-PA2.0 boxes */
208struct pdc_memory_map { /* PDC_MEMORY_MAP */
209 unsigned long hpa; /* mod's register set address */
210 unsigned long more_pgs; /* number of additional I/O pgs */
211};
212#endif
213
214struct pdc_tod {
215 unsigned long tod_sec;
216 unsigned long tod_usec;
217};
218
219/* architected results from PDC_PIM/transfer hpmc on a PA1.1 machine */
220
221struct pdc_hpmc_pim_11 { /* PDC_PIM */
222 __u32 gr[32];
223 __u32 cr[32];
224 __u32 sr[8];
225 __u32 iasq_back;
226 __u32 iaoq_back;
227 __u32 check_type;
228 __u32 cpu_state;
229 __u32 rsvd1;
230 __u32 cache_check;
231 __u32 tlb_check;
232 __u32 bus_check;
233 __u32 assists_check;
234 __u32 rsvd2;
235 __u32 assist_state;
236 __u32 responder_addr;
237 __u32 requestor_addr;
238 __u32 path_info;
239 __u64 fr[32];
240};
241
242/*
243 * architected results from PDC_PIM/transfer hpmc on a PA2.0 machine
244 *
245 * Note that PDC_PIM doesn't care whether or not wide mode was enabled
246 * so the results are different on PA1.1 vs. PA2.0 when in narrow mode.
247 *
248 * Note also that there are unarchitected results available, which
249 * are hversion dependent. Do a "ser pim 0 hpmc" after rebooting, since
250 * the firmware is probably the best way of printing hversion dependent
251 * data.
252 */
253
254struct pdc_hpmc_pim_20 { /* PDC_PIM */
255 __u64 gr[32];
256 __u64 cr[32];
257 __u64 sr[8];
258 __u64 iasq_back;
259 __u64 iaoq_back;
260 __u32 check_type;
261 __u32 cpu_state;
262 __u32 cache_check;
263 __u32 tlb_check;
264 __u32 bus_check;
265 __u32 assists_check;
266 __u32 assist_state;
267 __u32 path_info;
268 __u64 responder_addr;
269 __u64 requestor_addr;
270 __u64 fr[32];
271};
272
273void pdc_console_init(void); /* in pdc_console.c */
274void pdc_console_restart(void);
275
276void setup_pdc(void); /* in inventory.c */
277
278/* wrapper-functions from pdc.c */
279
280int pdc_add_valid(unsigned long address);
281int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
282int pdc_chassis_disp(unsigned long disp);
283int pdc_chassis_warn(unsigned long *warn);
284int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
285int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
286int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
287 void *iodc_data, unsigned int iodc_data_size);
288int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
289 struct pdc_module_path *mod_path, long mod_index);
290int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
291 long mod_index, long addr_index);
292int pdc_model_info(struct pdc_model *model);
293int pdc_model_sysmodel(char *name);
294int pdc_model_cpuid(unsigned long *cpu_id);
295int pdc_model_versions(unsigned long *versions, int id);
296int pdc_model_capabilities(unsigned long *capabilities);
297int pdc_cache_info(struct pdc_cache_info *cache);
298int pdc_spaceid_bits(unsigned long *space_bits);
299#ifndef CONFIG_PA20
300int pdc_btlb_info(struct pdc_btlb_info *btlb);
301int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
302#endif /* !CONFIG_PA20 */
303int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
304
305int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
306int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
307int pdc_stable_get_size(unsigned long *size);
308int pdc_stable_verify_contents(void);
309int pdc_stable_initialize(void);
310
311int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
312int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
313
314int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
315int pdc_tod_read(struct pdc_tod *tod);
316int pdc_tod_set(unsigned long sec, unsigned long usec);
317
318void pdc_pdt_init(void); /* in pdt.c */
319int pdc_mem_pdt_info(struct pdc_mem_retinfo *rinfo);
320int pdc_mem_pdt_read_entries(struct pdc_mem_read_pdt *rpdt_read,
321 unsigned long *pdt_entries_ptr);
322#ifdef CONFIG_64BIT
323int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
324 struct pdc_memory_table *tbl, unsigned long entries);
325#endif
326
327void set_firmware_width(void);
328void set_firmware_width_unlocked(void);
329int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
330int pdc_do_reset(void);
331int pdc_soft_power_info(unsigned long *power_reg);
332int pdc_soft_power_button(int sw_control);
333void pdc_io_reset(void);
334void pdc_io_reset_devices(void);
335int pdc_iodc_getc(void);
336int pdc_iodc_print(const unsigned char *str, unsigned count);
337
338void pdc_emergency_unlock(void);
339int pdc_sti_call(unsigned long func, unsigned long flags,
340 unsigned long inptr, unsigned long outputr,
341 unsigned long glob_cfg);
342
343static inline char * os_id_to_string(u16 os_id) {
344 switch(os_id) {
345 case OS_ID_NONE: return "No OS";
346 case OS_ID_HPUX: return "HP-UX";
347 case OS_ID_MPEXL: return "MPE-iX";
348 case OS_ID_OSF: return "OSF";
349 case OS_ID_HPRT: return "HP-RT";
350 case OS_ID_NOVEL: return "Novell Netware";
351 case OS_ID_LINUX: return "Linux";
352 default: return "Unknown";
353 }
354}
355
356#endif /* !defined(__ASSEMBLY__) */
357#endif /* _PARISC_PDC_H */