cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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pdcpat.h (17104B)


      1#ifndef __PARISC_PATPDC_H
      2#define __PARISC_PATPDC_H
      3
      4/*
      5 * This file is subject to the terms and conditions of the GNU General Public
      6 * License.  See the file "COPYING" in the main directory of this archive
      7 * for more details.
      8 *
      9 * Copyright 2000 (c) Hewlett Packard (Paul Bame <bame()spam.parisc-linux.org>)
     10 * Copyright 2000,2004 (c) Grant Grundler <grundler()nahspam.parisc-linux.org>
     11 */
     12
     13
     14#define PDC_PAT_CELL           	64L   /* Interface for gaining and 
     15                                         * manipulatin g cell state within PD */
     16#define PDC_PAT_CELL_GET_NUMBER    0L   /* Return Cell number */
     17#define PDC_PAT_CELL_GET_INFO      1L   /* Returns info about Cell */
     18#define PDC_PAT_CELL_MODULE        2L   /* Returns info about Module */
     19#define PDC_PAT_CELL_SET_ATTENTION 9L   /* Set Cell Attention indicator */
     20#define PDC_PAT_CELL_NUMBER_TO_LOC 10L   /* Cell Number -> Location */
     21#define PDC_PAT_CELL_WALK_FABRIC   11L   /* Walk the Fabric */
     22#define PDC_PAT_CELL_GET_RDT_SIZE  12L   /* Return Route Distance Table Sizes */
     23#define PDC_PAT_CELL_GET_RDT       13L   /* Return Route Distance Tables */
     24#define PDC_PAT_CELL_GET_LOCAL_PDH_SZ 14L /* Read Local PDH Buffer Size */
     25#define PDC_PAT_CELL_SET_LOCAL_PDH    15L  /* Write Local PDH Buffer */
     26#define PDC_PAT_CELL_GET_REMOTE_PDH_SZ 16L /* Return Remote PDH Buffer Size */
     27#define PDC_PAT_CELL_GET_REMOTE_PDH 17L /* Read Remote PDH Buffer */
     28#define PDC_PAT_CELL_GET_DBG_INFO   128L  /* Return DBG Buffer Info */
     29#define PDC_PAT_CELL_CHANGE_ALIAS   129L  /* Change Non-Equivalent Alias Chacking */
     30
     31
     32/*
     33** Arg to PDC_PAT_CELL_MODULE memaddr[4]
     34**
     35** Addresses on the Merced Bus != all Runway Bus addresses.
     36** This is intended for programming SBA/LBA chips range registers.
     37*/
     38#define IO_VIEW      0UL
     39#define PA_VIEW      1UL
     40
     41/* PDC_PAT_CELL_MODULE entity type values */
     42#define	PAT_ENTITY_CA	0	/* central agent */
     43#define	PAT_ENTITY_PROC	1	/* processor */
     44#define	PAT_ENTITY_MEM	2	/* memory controller */
     45#define	PAT_ENTITY_SBA	3	/* system bus adapter */
     46#define	PAT_ENTITY_LBA	4	/* local bus adapter */
     47#define	PAT_ENTITY_PBC	5	/* processor bus converter */
     48#define	PAT_ENTITY_XBC	6	/* crossbar fabric connect */
     49#define	PAT_ENTITY_RC	7	/* fabric interconnect */
     50
     51/* PDC_PAT_CELL_MODULE address range type values */
     52#define PAT_PBNUM           0         /* PCI Bus Number */
     53#define PAT_LMMIO           1         /* < 4G MMIO Space */
     54#define PAT_GMMIO           2         /* > 4G MMIO Space */
     55#define PAT_NPIOP           3         /* Non Postable I/O Port Space */
     56#define PAT_PIOP            4         /* Postable I/O Port Space */
     57#define PAT_AHPA            5         /* Addional HPA Space */
     58#define PAT_UFO             6         /* HPA Space (UFO for Mariposa) */
     59#define PAT_GNIP            7         /* GNI Reserved Space */
     60
     61
     62
     63/* PDC PAT CHASSIS LOG -- Platform logging & forward progress functions */
     64
     65#define PDC_PAT_CHASSIS_LOG		65L
     66#define PDC_PAT_CHASSIS_WRITE_LOG    	0L /* Write Log Entry */
     67#define PDC_PAT_CHASSIS_READ_LOG     	1L /* Read  Log Entry */
     68
     69
     70/* PDC PAT COMPLEX */
     71
     72#define PDC_PAT_COMPLEX			66L
     73
     74/* PDC PAT CPU  -- CPU configuration within the protection domain */
     75
     76#define PDC_PAT_CPU                	67L
     77#define PDC_PAT_CPU_INFO            	0L /* Return CPU config info */
     78#define PDC_PAT_CPU_DELETE          	1L /* Delete CPU */
     79#define PDC_PAT_CPU_ADD             	2L /* Add    CPU */
     80#define PDC_PAT_CPU_GET_NUMBER      	3L /* Return CPU Number */
     81#define PDC_PAT_CPU_GET_HPA         	4L /* Return CPU HPA */
     82#define PDC_PAT_CPU_STOP            	5L /* Stop   CPU */
     83#define PDC_PAT_CPU_RENDEZVOUS      	6L /* Rendezvous CPU */
     84#define PDC_PAT_CPU_GET_CLOCK_INFO  	7L /* Return CPU Clock info */
     85#define PDC_PAT_CPU_GET_RENDEZVOUS_STATE 8L /* Return Rendezvous State */
     86#define PDC_PAT_CPU_GET_PDC_ENTRYPOINT	11L /* Return PDC Entry point */
     87#define PDC_PAT_CPU_PLUNGE_FABRIC 	128L /* Plunge Fabric */
     88#define PDC_PAT_CPU_UPDATE_CACHE_CLEANSING 129L /* Manipulate Cache 
     89                                                 * Cleansing Mode */
     90/*  PDC PAT EVENT -- Platform Events */
     91
     92#define PDC_PAT_EVENT              	68L
     93#define PDC_PAT_EVENT_GET_CAPS     	0L /* Get Capabilities */
     94#define PDC_PAT_EVENT_SET_MODE     	1L /* Set Notification Mode */
     95#define PDC_PAT_EVENT_SCAN         	2L /* Scan Event */
     96#define PDC_PAT_EVENT_HANDLE       	3L /* Handle Event */
     97#define PDC_PAT_EVENT_GET_NB_CALL  	4L /* Get Non-Blocking call Args */
     98
     99/*  PDC PAT HPMC -- Cause processor to go into spin loop, and wait
    100 *  			for wake up from Monarch Processor.
    101 */
    102
    103#define PDC_PAT_HPMC               70L
    104#define PDC_PAT_HPMC_RENDEZ_CPU     0L /* go into spin loop */
    105#define PDC_PAT_HPMC_SET_PARAMS     1L /* Allows OS to specify intr which PDC 
    106                                        * will use to interrupt OS during
    107                                        * machine check rendezvous */
    108
    109/* parameters for PDC_PAT_HPMC_SET_PARAMS: */
    110#define HPMC_SET_PARAMS_INTR 	    1L /* Rendezvous Interrupt */
    111#define HPMC_SET_PARAMS_WAKE 	    2L /* Wake up processor */
    112
    113
    114/*  PDC PAT IO  -- On-line services for I/O modules */
    115
    116#define PDC_PAT_IO                  71L
    117#define PDC_PAT_IO_GET_SLOT_STATUS   	5L /* Get Slot Status Info*/
    118#define PDC_PAT_IO_GET_LOC_FROM_HARDWARE 6L /* Get Physical Location from */
    119                                            /* Hardware Path */
    120#define PDC_PAT_IO_GET_HARDWARE_FROM_LOC 7L /* Get Hardware Path from 
    121                                             * Physical Location */
    122#define PDC_PAT_IO_GET_PCI_CONFIG_FROM_HW 11L /* Get PCI Configuration
    123                                               * Address from Hardware Path */
    124#define PDC_PAT_IO_GET_HW_FROM_PCI_CONFIG 12L /* Get Hardware Path 
    125                                               * from PCI Configuration Address */
    126#define PDC_PAT_IO_READ_HOST_BRIDGE_INFO 13L  /* Read Host Bridge State Info */
    127#define PDC_PAT_IO_CLEAR_HOST_BRIDGE_INFO 14L /* Clear Host Bridge State Info*/
    128#define PDC_PAT_IO_GET_PCI_ROUTING_TABLE_SIZE 15L /* Get PCI INT Routing Table 
    129                                                   * Size */
    130#define PDC_PAT_IO_GET_PCI_ROUTING_TABLE  16L /* Get PCI INT Routing Table */
    131#define PDC_PAT_IO_GET_HINT_TABLE_SIZE 	17L /* Get Hint Table Size */
    132#define PDC_PAT_IO_GET_HINT_TABLE   	18L /* Get Hint Table */
    133#define PDC_PAT_IO_PCI_CONFIG_READ  	19L /* PCI Config Read */
    134#define PDC_PAT_IO_PCI_CONFIG_WRITE 	20L /* PCI Config Write */
    135#define PDC_PAT_IO_GET_NUM_IO_SLOTS 	21L /* Get Number of I/O Bay Slots in 
    136                                       		  * Cabinet */
    137#define PDC_PAT_IO_GET_LOC_IO_SLOTS 	22L /* Get Physical Location of I/O */
    138                                   		     /* Bay Slots in Cabinet */
    139#define PDC_PAT_IO_BAY_STATUS_INFO  	28L /* Get I/O Bay Slot Status Info */
    140#define PDC_PAT_IO_GET_PROC_VIEW        29L /* Get Processor view of IO address */
    141#define PDC_PAT_IO_PROG_SBA_DIR_RANGE   30L /* Program directed range */
    142
    143
    144/* PDC PAT MEM  -- Manage memory page deallocation */
    145
    146#define PDC_PAT_MEM            72L
    147#define PDC_PAT_MEM_PD_INFO     	0L /* Return PDT info for PD       */
    148#define PDC_PAT_MEM_PD_CLEAR    	1L /* Clear PDT for PD             */
    149#define PDC_PAT_MEM_PD_READ     	2L /* Read PDT entries for PD      */
    150#define PDC_PAT_MEM_PD_RESET    	3L /* Reset clear bit for PD       */
    151#define PDC_PAT_MEM_CELL_INFO   	5L /* Return PDT info For Cell     */
    152#define PDC_PAT_MEM_CELL_CLEAR  	6L /* Clear PDT For Cell           */
    153#define PDC_PAT_MEM_CELL_READ   	7L /* Read PDT entries For Cell    */
    154#define PDC_PAT_MEM_CELL_RESET  	8L /* Reset clear bit For Cell     */
    155#define PDC_PAT_MEM_SETGM		9L /* Set Good Memory value        */
    156#define PDC_PAT_MEM_ADD_PAGE		10L /* ADDs a page to the cell      */
    157#define PDC_PAT_MEM_ADDRESS		11L /* Get Physical Location From   */
    158					    /* Memory Address               */
    159#define PDC_PAT_MEM_GET_TXT_SIZE   	12L /* Get Formatted Text Size   */
    160#define PDC_PAT_MEM_GET_PD_TXT     	13L /* Get PD Formatted Text     */
    161#define PDC_PAT_MEM_GET_CELL_TXT   	14L /* Get Cell Formatted Text   */
    162#define PDC_PAT_MEM_RD_STATE_INFO  	15L /* Read Mem Module State Info*/
    163#define PDC_PAT_MEM_CLR_STATE_INFO 	16L /*Clear Mem Module State Info*/
    164#define PDC_PAT_MEM_CLEAN_RANGE    	128L /*Clean Mem in specific range*/
    165#define PDC_PAT_MEM_GET_TBL_SIZE   	131L /* Get Memory Table Size     */
    166#define PDC_PAT_MEM_GET_TBL        	132L /* Get Memory Table          */
    167
    168
    169/* PDC PAT NVOLATILE  --  Access Non-Volatile Memory */
    170
    171#define PDC_PAT_NVOLATILE	73L
    172#define PDC_PAT_NVOLATILE_READ		0L /* Read Non-Volatile Memory   */
    173#define PDC_PAT_NVOLATILE_WRITE		1L /* Write Non-Volatile Memory  */
    174#define PDC_PAT_NVOLATILE_GET_SIZE	2L /* Return size of NVM         */
    175#define PDC_PAT_NVOLATILE_VERIFY	3L /* Verify contents of NVM     */
    176#define PDC_PAT_NVOLATILE_INIT		4L /* Initialize NVM             */
    177
    178/* PDC PAT PD */
    179#define PDC_PAT_PD		74L         /* Protection Domain Info   */
    180#define PDC_PAT_PD_GET_ADDR_MAP		0L  /* Get Address Map          */
    181#define PDC_PAT_PD_GET_PDC_INTERF_REV	1L  /* Get PDC Interface Revisions */
    182
    183#define PDC_PAT_CAPABILITY_BIT_PDC_SERIALIZE	(1UL << 0)
    184#define PDC_PAT_CAPABILITY_BIT_PDC_POLLING	(1UL << 1)
    185#define PDC_PAT_CAPABILITY_BIT_PDC_NBC		(1UL << 2) /* non-blocking calls */
    186#define PDC_PAT_CAPABILITY_BIT_PDC_UFO		(1UL << 3)
    187#define PDC_PAT_CAPABILITY_BIT_PDC_IODC_32	(1UL << 4)
    188#define PDC_PAT_CAPABILITY_BIT_PDC_IODC_64	(1UL << 5)
    189#define PDC_PAT_CAPABILITY_BIT_PDC_HPMC_RENDEZ	(1UL << 6)
    190#define PDC_PAT_CAPABILITY_BIT_SIMULTANEOUS_PTLB (1UL << 7)
    191
    192/* PDC_PAT_PD_GET_ADDR_MAP entry types */
    193#define PAT_MEMORY_DESCRIPTOR		1   
    194
    195/* PDC_PAT_PD_GET_ADDR_MAP memory types */
    196#define PAT_MEMTYPE_MEMORY		0
    197#define PAT_MEMTYPE_FIRMWARE		4
    198
    199/* PDC_PAT_PD_GET_ADDR_MAP memory usage */
    200#define PAT_MEMUSE_GENERAL		0
    201#define PAT_MEMUSE_GI			128
    202#define PAT_MEMUSE_GNI			129
    203
    204/* PDC PAT REGISTER TOC */
    205#define PDC_PAT_REGISTER_TOC	75L
    206#define PDC_PAT_TOC_REGISTER_VECTOR	0L /* Register TOC Vector */
    207#define PDC_PAT_TOC_READ_VECTOR		1L /* Read TOC Vector     */
    208
    209/* PDC PAT SYSTEM_INFO */
    210#define PDC_PAT_SYSTEM_INFO	76L
    211/* PDC_PAT_SYSTEM_INFO uses the same options as PDC_SYSTEM_INFO function. */
    212
    213#ifndef __ASSEMBLY__
    214#include <linux/types.h>
    215
    216#ifdef CONFIG_64BIT
    217#define is_pdc_pat()	(PDC_TYPE_PAT == pdc_type)
    218extern int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num);
    219extern int pdc_pat_get_irt(void *r_addr, unsigned long cell_num);
    220#else	/* ! CONFIG_64BIT */
    221/* No PAT support for 32-bit kernels...sorry */
    222#define is_pdc_pat()	(0)
    223#define pdc_pat_get_irt_size(num_entries, cell_numn)	PDC_BAD_PROC
    224#define pdc_pat_get_irt(r_addr, cell_num)		PDC_BAD_PROC
    225#endif	/* ! CONFIG_64BIT */
    226
    227
    228struct pdc_pat_cell_num {
    229	unsigned long cell_num;
    230	unsigned long cell_loc;
    231};
    232
    233struct pdc_pat_cpu_num {
    234	unsigned long cpu_num;
    235	unsigned long cpu_loc;
    236};
    237
    238struct pdc_pat_mem_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_INFO (return info) */
    239	unsigned int ke;	/* bit 0: memory inside good memory? */
    240	unsigned int current_pdt_entries:16;
    241	unsigned int max_pdt_entries:16;
    242	unsigned long Cs_bitmap;
    243	unsigned long Ic_bitmap;
    244	unsigned long good_mem;
    245	unsigned long first_dbe_loc; /* first location of double bit error */
    246	unsigned long clear_time; /* last PDT clear time (since Jan 1970) */
    247};
    248
    249struct pdc_pat_mem_cell_pdt_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_CELL_INFO */
    250	u64 reserved:32;
    251	u64 cs:1;		/* clear status: cleared since the last call? */
    252	u64 current_pdt_entries:15;
    253	u64 ic:1;		/* interleaving had to be changed ? */
    254	u64 max_pdt_entries:15;
    255	unsigned long good_mem;
    256	unsigned long first_dbe_loc; /* first location of double bit error */
    257	unsigned long clear_time; /* last PDT clear time (since Jan 1970) */
    258};
    259
    260
    261struct pdc_pat_mem_read_pd_retinfo { /* PDC_PAT_MEM/PDC_PAT_MEM_PD_READ */
    262	unsigned long actual_count_bytes;
    263	unsigned long pdt_entries;
    264};
    265
    266struct pdc_pat_mem_phys_mem_location { /* PDC_PAT_MEM/PDC_PAT_MEM_ADDRESS */
    267	u64 cabinet:8;
    268	u64 ign1:8;
    269	u64 ign2:8;
    270	u64 cell_slot:8;
    271	u64 ign3:8;
    272	u64 dimm_slot:8; /* DIMM slot, e.g. 0x1A, 0x2B, show user hex value! */
    273	u64 ign4:8;
    274	u64 source:4; /* for mem: always 0x07 */
    275	u64 source_detail:4; /* for mem: always 0x04 (SIMM or DIMM) */
    276};
    277
    278struct pdc_pat_pd_addr_map_entry {
    279	unsigned char entry_type;       /* 1 = Memory Descriptor Entry Type */
    280	unsigned char reserve1[5];
    281	unsigned char memory_type;
    282	unsigned char memory_usage;
    283	unsigned long paddr;
    284	unsigned int  pages;            /* Length in 4K pages */
    285	unsigned int  reserve2;
    286	unsigned long cell_map;
    287};
    288
    289/********************************************************************
    290* PDC_PAT_CELL[Return Cell Module] memaddr[0] conf_base_addr
    291* ----------------------------------------------------------
    292* Bit  0 to 51 - conf_base_addr
    293* Bit 52 to 62 - reserved
    294* Bit       63 - endianess bit
    295********************************************************************/
    296#define PAT_GET_CBA(value) ((value) & 0xfffffffffffff000UL)
    297
    298/********************************************************************
    299* PDC_PAT_CELL[Return Cell Module] memaddr[1] mod_info
    300* ----------------------------------------------------
    301* Bit  0 to  7 - entity type
    302*    0 = central agent,            1 = processor,
    303*    2 = memory controller,        3 = system bus adapter,
    304*    4 = local bus adapter,        5 = processor bus converter,
    305*    6 = crossbar fabric connect,  7 = fabric interconnect,
    306*    8 to 254 reserved,            255 = unknown.
    307* Bit  8 to 15 - DVI
    308* Bit 16 to 23 - IOC functions
    309* Bit 24 to 39 - reserved
    310* Bit 40 to 63 - mod_pages
    311*    number of 4K pages a module occupies starting at conf_base_addr
    312********************************************************************/
    313#define PAT_GET_ENTITY(value)	(((value) >> 56) & 0xffUL)
    314#define PAT_GET_DVI(value)	(((value) >> 48) & 0xffUL)
    315#define PAT_GET_IOC(value)	(((value) >> 40) & 0xffUL)
    316#define PAT_GET_MOD_PAGES(value) ((value) & 0xffffffUL)
    317
    318
    319/*
    320** PDC_PAT_CELL_GET_INFO return block
    321*/
    322typedef struct pdc_pat_cell_info_rtn_block {
    323	unsigned long pdc_rev;
    324	unsigned long capabilities; /* see PDC_PAT_CAPABILITY_BIT_* */
    325	unsigned long reserved0[2];
    326	unsigned long cell_info;	/* 0x20 */
    327	unsigned long cell_phys_location;
    328	unsigned long cpu_info;
    329	unsigned long cpu_speed;
    330	unsigned long io_chassis_phys_location;
    331	unsigned long cell_io_information;
    332	unsigned long reserved1[2];
    333	unsigned long io_slot_info_size; /* 0x60 */
    334	struct {
    335		unsigned long header, info0, info1;
    336		unsigned long phys_loc, hw_path;
    337	} io_slot[16];
    338	unsigned long cell_mem_size;	/* 0x2e8 */
    339	unsigned long cell_dimm_info_size;
    340	unsigned long dimm_info[16];
    341	unsigned long fabric_info_size;	/* 0x3f8 */
    342	struct {			/* 0x380 */
    343		unsigned long fabric_info_xbc_port;
    344		unsigned long rc_attached_to_xbc;
    345	} xbc[8*4];
    346} pdc_pat_cell_info_rtn_block_t;
    347
    348
    349/* FIXME: mod[508] should really be a union of the various mod components */
    350struct pdc_pat_cell_mod_maddr_block {	/* PDC_PAT_CELL_MODULE */
    351	unsigned long cba;		/* func 0 cfg space address */
    352	unsigned long mod_info;		/* module information */
    353	unsigned long mod_location;	/* physical location of the module */
    354	struct hardware_path mod_path;	/* module path (device path - layers) */
    355	unsigned long mod[508];		/* PAT cell module components */
    356} __attribute__((aligned(8))) ;
    357
    358typedef struct pdc_pat_cell_mod_maddr_block pdc_pat_cell_mod_maddr_block_t;
    359
    360extern int pdc_pat_get_PDC_entrypoint(unsigned long *pdc_entry);
    361extern int pdc_pat_chassis_send_log(unsigned long status, unsigned long data);
    362extern int pdc_pat_cell_get_number(struct pdc_pat_cell_num *cell_info);
    363extern int pdc_pat_cell_info(struct pdc_pat_cell_info_rtn_block *info,
    364		unsigned long *actcnt, unsigned long offset,
    365		unsigned long cell_number);
    366extern int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc,
    367		unsigned long mod, unsigned long view_type, void *mem_addr);
    368extern int pdc_pat_cell_num_to_loc(void *, unsigned long);
    369
    370extern int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, unsigned long hpa);
    371
    372extern int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
    373		unsigned long count, unsigned long offset);
    374extern int pdc_pat_pd_get_pdc_revisions(unsigned long *legacy_rev,
    375		unsigned long *pat_rev, unsigned long *pdc_cap);
    376
    377extern int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *val); 
    378extern int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val); 
    379
    380extern int pdc_pat_mem_pdt_info(struct pdc_pat_mem_retinfo *rinfo);
    381extern int pdc_pat_mem_pdt_cell_info(struct pdc_pat_mem_cell_pdt_retinfo *rinfo,
    382		unsigned long cell);
    383extern int pdc_pat_mem_read_cell_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
    384		unsigned long *pdt_entries_ptr, unsigned long max_entries);
    385extern int pdc_pat_mem_read_pd_pdt(struct pdc_pat_mem_read_pd_retinfo *pret,
    386		unsigned long *pdt_entries_ptr, unsigned long count,
    387		unsigned long offset);
    388extern int pdc_pat_mem_get_dimm_phys_location(
    389                struct pdc_pat_mem_phys_mem_location *pret,
    390                unsigned long phys_addr);
    391
    392#endif /* __ASSEMBLY__ */
    393
    394#endif /* ! __PARISC_PATPDC_H */