LXR linux/arch/parisc/include/asm/pdc.h

   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;
   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
  16struct 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
  21struct 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
  28struct 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
  40struct 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
  56struct 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_sr   : 8;    /* ITLB: width of space-registers (encoded) */
  67};
  68
  69struct 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 */
 110struct 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 */
 130struct pdc_btlb_info_range {
 131        __u8 res00;
 132        __u8 num_i;
 133        __u8 num_d;
 134        __u8 num_comb;
 135};
 136
 137struct 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
 147struct pdc_memory_table_raddr { /* PDC_MEM/PDC_MEM_TABLE (return info) */
 148        unsigned long entries_returned;
 149        unsigned long entries_total;
 150};
 151
 152struct 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
 159struct 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
 165struct pdc_system_map_addr_info { /* PDC_SYSTEM_MAP/FIND_ADDRESS */
 166        unsigned long mod_addr;
 167        unsigned long mod_pgs;
 168};
 169
 170struct pdc_initiator { /* PDC_INITIATOR */
 171        int host_id;
 172        int factor;
 173        int width;
 174        int mode;
 175};
 176
 177struct 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 */
 187struct 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 */
 194struct 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
 200struct 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
 207struct 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
 240struct 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
 259void pdc_console_init(void);    /* in pdc_console.c */
 260void pdc_console_restart(void);
 261
 262void setup_pdc(void);           /* in inventory.c */
 263
 264/* wrapper-functions from pdc.c */
 265
 266int pdc_add_valid(unsigned long address);
 267int pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len);
 268int pdc_chassis_disp(unsigned long disp);
 269int pdc_chassis_warn(unsigned long *warn);
 270int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info);
 271int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info);
 272int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
 273                  void *iodc_data, unsigned int iodc_data_size);
 274int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
 275                             struct pdc_module_path *mod_path, long mod_index);
 276int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
 277                              long mod_index, long addr_index);
 278int pdc_model_info(struct pdc_model *model);
 279int pdc_model_sysmodel(char *name);
 280int pdc_model_cpuid(unsigned long *cpu_id);
 281int pdc_model_versions(unsigned long *versions, int id);
 282int pdc_model_capabilities(unsigned long *capabilities);
 283int pdc_cache_info(struct pdc_cache_info *cache);
 284int pdc_spaceid_bits(unsigned long *space_bits);
 285#ifndef CONFIG_PA20
 286int pdc_btlb_info(struct pdc_btlb_info *btlb);
 287int pdc_mem_map_hpa(struct pdc_memory_map *r_addr, struct pdc_module_path *mod_path);
 288#endif /* !CONFIG_PA20 */
 289int pdc_lan_station_id(char *lan_addr, unsigned long net_hpa);
 290
 291int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count);
 292int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count);
 293int pdc_stable_get_size(unsigned long *size);
 294int pdc_stable_verify_contents(void);
 295int pdc_stable_initialize(void);
 296
 297int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa);
 298int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl);
 299
 300int pdc_get_initiator(struct hardware_path *, struct pdc_initiator *);
 301int pdc_tod_read(struct pdc_tod *tod);
 302int pdc_tod_set(unsigned long sec, unsigned long usec);
 303
 304#ifdef CONFIG_64BIT
 305int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
 306                struct pdc_memory_table *tbl, unsigned long entries);
 307#endif
 308
 309void set_firmware_width(void);
 310void set_firmware_width_unlocked(void);
 311int pdc_do_firm_test_reset(unsigned long ftc_bitmap);
 312int pdc_do_reset(void);
 313int pdc_soft_power_info(unsigned long *power_reg);
 314int pdc_soft_power_button(int sw_control);
 315void pdc_io_reset(void);
 316void pdc_io_reset_devices(void);
 317int pdc_iodc_getc(void);
 318int pdc_iodc_print(const unsigned char *str, unsigned count);
 319
 320void pdc_emergency_unlock(void);
 321int pdc_sti_call(unsigned long func, unsigned long flags,
 322                 unsigned long inptr, unsigned long outputr,
 323                 unsigned long glob_cfg);
 324
 325static 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 */
 340