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Diffstat (limited to 'arch/ia64/include/asm/pal.h')
| -rw-r--r-- | arch/ia64/include/asm/pal.h | 1826 |
1 files changed, 1826 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/pal.h b/arch/ia64/include/asm/pal.h new file mode 100644 index 000000000..f9d2b3b2d --- /dev/null +++ b/arch/ia64/include/asm/pal.h @@ -0,0 +1,1826 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_IA64_PAL_H +#define _ASM_IA64_PAL_H + +/* + * Processor Abstraction Layer definitions. + * + * This is based on Intel IA-64 Architecture Software Developer's Manual rev 1.0 + * chapter 11 IA-64 Processor Abstraction Layer + * + * Copyright (C) 1998-2001 Hewlett-Packard Co + * David Mosberger-Tang <davidm@hpl.hp.com> + * Stephane Eranian <eranian@hpl.hp.com> + * Copyright (C) 1999 VA Linux Systems + * Copyright (C) 1999 Walt Drummond <drummond@valinux.com> + * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com> + * Copyright (C) 2008 Silicon Graphics, Inc. (SGI) + * + * 99/10/01 davidm Make sure we pass zero for reserved parameters. + * 00/03/07 davidm Updated pal_cache_flush() to be in sync with PAL v2.6. + * 00/03/23 cfleck Modified processor min-state save area to match updated PAL & SAL info + * 00/05/24 eranian Updated to latest PAL spec, fix structures bugs, added + * 00/05/25 eranian Support for stack calls, and static physical calls + * 00/06/18 eranian Support for stacked physical calls + * 06/10/26 rja Support for Intel Itanium Architecture Software Developer's + * Manual Rev 2.2 (Jan 2006) + */ + +/* + * Note that some of these calls use a static-register only calling + * convention which has nothing to do with the regular calling + * convention. + */ +#define PAL_CACHE_FLUSH 1 /* flush i/d cache */ +#define PAL_CACHE_INFO 2 /* get detailed i/d cache info */ +#define PAL_CACHE_INIT 3 /* initialize i/d cache */ +#define PAL_CACHE_SUMMARY 4 /* get summary of cache hierarchy */ +#define PAL_MEM_ATTRIB 5 /* list supported memory attributes */ +#define PAL_PTCE_INFO 6 /* purge TLB info */ +#define PAL_VM_INFO 7 /* return supported virtual memory features */ +#define PAL_VM_SUMMARY 8 /* return summary on supported vm features */ +#define PAL_BUS_GET_FEATURES 9 /* return processor bus interface features settings */ +#define PAL_BUS_SET_FEATURES 10 /* set processor bus features */ +#define PAL_DEBUG_INFO 11 /* get number of debug registers */ +#define PAL_FIXED_ADDR 12 /* get fixed component of processors's directed address */ +#define PAL_FREQ_BASE 13 /* base frequency of the platform */ +#define PAL_FREQ_RATIOS 14 /* ratio of processor, bus and ITC frequency */ +#define PAL_PERF_MON_INFO 15 /* return performance monitor info */ +#define PAL_PLATFORM_ADDR 16 /* set processor interrupt block and IO port space addr */ +#define PAL_PROC_GET_FEATURES 17 /* get configurable processor features & settings */ +#define PAL_PROC_SET_FEATURES 18 /* enable/disable configurable processor features */ +#define PAL_RSE_INFO 19 /* return rse information */ +#define PAL_VERSION 20 /* return version of PAL code */ +#define PAL_MC_CLEAR_LOG 21 /* clear all processor log info */ +#define PAL_MC_DRAIN 22 /* drain operations which could result in an MCA */ +#define PAL_MC_EXPECTED 23 /* set/reset expected MCA indicator */ +#define PAL_MC_DYNAMIC_STATE 24 /* get processor dynamic state */ +#define PAL_MC_ERROR_INFO 25 /* get processor MCA info and static state */ +#define PAL_MC_RESUME 26 /* Return to interrupted process */ +#define PAL_MC_REGISTER_MEM 27 /* Register memory for PAL to use during MCAs and inits */ +#define PAL_HALT 28 /* enter the low power HALT state */ +#define PAL_HALT_LIGHT 29 /* enter the low power light halt state*/ +#define PAL_COPY_INFO 30 /* returns info needed to relocate PAL */ +#define PAL_CACHE_LINE_INIT 31 /* init tags & data of cache line */ +#define PAL_PMI_ENTRYPOINT 32 /* register PMI memory entry points with the processor */ +#define PAL_ENTER_IA_32_ENV 33 /* enter IA-32 system environment */ +#define PAL_VM_PAGE_SIZE 34 /* return vm TC and page walker page sizes */ + +#define PAL_MEM_FOR_TEST 37 /* get amount of memory needed for late processor test */ +#define PAL_CACHE_PROT_INFO 38 /* get i/d cache protection info */ +#define PAL_REGISTER_INFO 39 /* return AR and CR register information*/ +#define PAL_SHUTDOWN 40 /* enter processor shutdown state */ +#define PAL_PREFETCH_VISIBILITY 41 /* Make Processor Prefetches Visible */ +#define PAL_LOGICAL_TO_PHYSICAL 42 /* returns information on logical to physical processor mapping */ +#define PAL_CACHE_SHARED_INFO 43 /* returns information on caches shared by logical processor */ +#define PAL_GET_HW_POLICY 48 /* Get current hardware resource sharing policy */ +#define PAL_SET_HW_POLICY 49 /* Set current hardware resource sharing policy */ +#define PAL_VP_INFO 50 /* Information about virtual processor features */ +#define PAL_MC_HW_TRACKING 51 /* Hardware tracking status */ + +#define PAL_COPY_PAL 256 /* relocate PAL procedures and PAL PMI */ +#define PAL_HALT_INFO 257 /* return the low power capabilities of processor */ +#define PAL_TEST_PROC 258 /* perform late processor self-test */ +#define PAL_CACHE_READ 259 /* read tag & data of cacheline for diagnostic testing */ +#define PAL_CACHE_WRITE 260 /* write tag & data of cacheline for diagnostic testing */ +#define PAL_VM_TR_READ 261 /* read contents of translation register */ +#define PAL_GET_PSTATE 262 /* get the current P-state */ +#define PAL_SET_PSTATE 263 /* set the P-state */ +#define PAL_BRAND_INFO 274 /* Processor branding information */ + +#define PAL_GET_PSTATE_TYPE_LASTSET 0 +#define PAL_GET_PSTATE_TYPE_AVGANDRESET 1 +#define PAL_GET_PSTATE_TYPE_AVGNORESET 2 +#define PAL_GET_PSTATE_TYPE_INSTANT 3 + +#define PAL_MC_ERROR_INJECT 276 /* Injects processor error or returns injection capabilities */ + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +#include <asm/fpu.h> + +/* + * Data types needed to pass information into PAL procedures and + * interpret information returned by them. + */ + +/* Return status from the PAL procedure */ +typedef s64 pal_status_t; + +#define PAL_STATUS_SUCCESS 0 /* No error */ +#define PAL_STATUS_UNIMPLEMENTED (-1) /* Unimplemented procedure */ +#define PAL_STATUS_EINVAL (-2) /* Invalid argument */ +#define PAL_STATUS_ERROR (-3) /* Error */ +#define PAL_STATUS_CACHE_INIT_FAIL (-4) /* Could not initialize the + * specified level and type of + * cache without sideeffects + * and "restrict" was 1 + */ +#define PAL_STATUS_REQUIRES_MEMORY (-9) /* Call requires PAL memory buffer */ + +/* Processor cache level in the hierarchy */ +typedef u64 pal_cache_level_t; +#define PAL_CACHE_LEVEL_L0 0 /* L0 */ +#define PAL_CACHE_LEVEL_L1 1 /* L1 */ +#define PAL_CACHE_LEVEL_L2 2 /* L2 */ + + +/* Processor cache type at a particular level in the hierarchy */ + +typedef u64 pal_cache_type_t; +#define PAL_CACHE_TYPE_INSTRUCTION 1 /* Instruction cache */ +#define PAL_CACHE_TYPE_DATA 2 /* Data or unified cache */ +#define PAL_CACHE_TYPE_INSTRUCTION_DATA 3 /* Both Data & Instruction */ + + +#define PAL_CACHE_FLUSH_INVALIDATE 1 /* Invalidate clean lines */ +#define PAL_CACHE_FLUSH_CHK_INTRS 2 /* check for interrupts/mc while flushing */ + +/* Processor cache line size in bytes */ +typedef int pal_cache_line_size_t; + +/* Processor cache line state */ +typedef u64 pal_cache_line_state_t; +#define PAL_CACHE_LINE_STATE_INVALID 0 /* Invalid */ +#define PAL_CACHE_LINE_STATE_SHARED 1 /* Shared */ +#define PAL_CACHE_LINE_STATE_EXCLUSIVE 2 /* Exclusive */ +#define PAL_CACHE_LINE_STATE_MODIFIED 3 /* Modified */ + +typedef struct pal_freq_ratio { + u32 den, num; /* numerator & denominator */ +} itc_ratio, proc_ratio; + +typedef union pal_cache_config_info_1_s { + struct { + u64 u : 1, /* 0 Unified cache ? */ + at : 2, /* 2-1 Cache mem attr*/ + reserved : 5, /* 7-3 Reserved */ + associativity : 8, /* 16-8 Associativity*/ + line_size : 8, /* 23-17 Line size */ + stride : 8, /* 31-24 Stride */ + store_latency : 8, /*39-32 Store latency*/ + load_latency : 8, /* 47-40 Load latency*/ + store_hints : 8, /* 55-48 Store hints*/ + load_hints : 8; /* 63-56 Load hints */ + } pcci1_bits; + u64 pcci1_data; +} pal_cache_config_info_1_t; + +typedef union pal_cache_config_info_2_s { + struct { + u32 cache_size; /*cache size in bytes*/ + + + u32 alias_boundary : 8, /* 39-32 aliased addr + * separation for max + * performance. + */ + tag_ls_bit : 8, /* 47-40 LSb of addr*/ + tag_ms_bit : 8, /* 55-48 MSb of addr*/ + reserved : 8; /* 63-56 Reserved */ + } pcci2_bits; + u64 pcci2_data; +} pal_cache_config_info_2_t; + + +typedef struct pal_cache_config_info_s { + pal_status_t pcci_status; + pal_cache_config_info_1_t pcci_info_1; + pal_cache_config_info_2_t pcci_info_2; + u64 pcci_reserved; +} pal_cache_config_info_t; + +#define pcci_ld_hints pcci_info_1.pcci1_bits.load_hints +#define pcci_st_hints pcci_info_1.pcci1_bits.store_hints +#define pcci_ld_latency pcci_info_1.pcci1_bits.load_latency +#define pcci_st_latency pcci_info_1.pcci1_bits.store_latency +#define pcci_stride pcci_info_1.pcci1_bits.stride +#define pcci_line_size pcci_info_1.pcci1_bits.line_size +#define pcci_assoc pcci_info_1.pcci1_bits.associativity +#define pcci_cache_attr pcci_info_1.pcci1_bits.at +#define pcci_unified pcci_info_1.pcci1_bits.u +#define pcci_tag_msb pcci_info_2.pcci2_bits.tag_ms_bit +#define pcci_tag_lsb pcci_info_2.pcci2_bits.tag_ls_bit +#define pcci_alias_boundary pcci_info_2.pcci2_bits.alias_boundary +#define pcci_cache_size pcci_info_2.pcci2_bits.cache_size + + + +/* Possible values for cache attributes */ + +#define PAL_CACHE_ATTR_WT 0 /* Write through cache */ +#define PAL_CACHE_ATTR_WB 1 /* Write back cache */ +#define PAL_CACHE_ATTR_WT_OR_WB 2 /* Either write thru or write + * back depending on TLB + * memory attributes + */ + + +/* Possible values for cache hints */ + +#define PAL_CACHE_HINT_TEMP_1 0 /* Temporal level 1 */ +#define PAL_CACHE_HINT_NTEMP_1 1 /* Non-temporal level 1 */ +#define PAL_CACHE_HINT_NTEMP_ALL 3 /* Non-temporal all levels */ + +/* Processor cache protection information */ +typedef union pal_cache_protection_element_u { + u32 pcpi_data; + struct { + u32 data_bits : 8, /* # data bits covered by + * each unit of protection + */ + + tagprot_lsb : 6, /* Least -do- */ + tagprot_msb : 6, /* Most Sig. tag address + * bit that this + * protection covers. + */ + prot_bits : 6, /* # of protection bits */ + method : 4, /* Protection method */ + t_d : 2; /* Indicates which part + * of the cache this + * protection encoding + * applies. + */ + } pcp_info; +} pal_cache_protection_element_t; + +#define pcpi_cache_prot_part pcp_info.t_d +#define pcpi_prot_method pcp_info.method +#define pcpi_prot_bits pcp_info.prot_bits +#define pcpi_tagprot_msb pcp_info.tagprot_msb +#define pcpi_tagprot_lsb pcp_info.tagprot_lsb +#define pcpi_data_bits pcp_info.data_bits + +/* Processor cache part encodings */ +#define PAL_CACHE_PROT_PART_DATA 0 /* Data protection */ +#define PAL_CACHE_PROT_PART_TAG 1 /* Tag protection */ +#define PAL_CACHE_PROT_PART_TAG_DATA 2 /* Tag+data protection (tag is + * more significant ) + */ +#define PAL_CACHE_PROT_PART_DATA_TAG 3 /* Data+tag protection (data is + * more significant ) + */ +#define PAL_CACHE_PROT_PART_MAX 6 + + +typedef struct pal_cache_protection_info_s { + pal_status_t pcpi_status; + pal_cache_protection_element_t pcp_info[PAL_CACHE_PROT_PART_MAX]; +} pal_cache_protection_info_t; + + +/* Processor cache protection method encodings */ +#define PAL_CACHE_PROT_METHOD_NONE 0 /* No protection */ +#define PAL_CACHE_PROT_METHOD_ODD_PARITY 1 /* Odd parity */ +#define PAL_CACHE_PROT_METHOD_EVEN_PARITY 2 /* Even parity */ +#define PAL_CACHE_PROT_METHOD_ECC 3 /* ECC protection */ + + +/* Processor cache line identification in the hierarchy */ +typedef union pal_cache_line_id_u { + u64 pclid_data; + struct { + u64 cache_type : 8, /* 7-0 cache type */ + level : 8, /* 15-8 level of the + * cache in the + * hierarchy. + */ + way : 8, /* 23-16 way in the set + */ + part : 8, /* 31-24 part of the + * cache + */ + reserved : 32; /* 63-32 is reserved*/ + } pclid_info_read; + struct { + u64 cache_type : 8, /* 7-0 cache type */ + level : 8, /* 15-8 level of the + * cache in the + * hierarchy. + */ + way : 8, /* 23-16 way in the set + */ + part : 8, /* 31-24 part of the + * cache + */ + mesi : 8, /* 39-32 cache line + * state + */ + start : 8, /* 47-40 lsb of data to + * invert + */ + length : 8, /* 55-48 #bits to + * invert + */ + trigger : 8; /* 63-56 Trigger error + * by doing a load + * after the write + */ + + } pclid_info_write; +} pal_cache_line_id_u_t; + +#define pclid_read_part pclid_info_read.part +#define pclid_read_way pclid_info_read.way +#define pclid_read_level pclid_info_read.level +#define pclid_read_cache_type pclid_info_read.cache_type + +#define pclid_write_trigger pclid_info_write.trigger +#define pclid_write_length pclid_info_write.length +#define pclid_write_start pclid_info_write.start +#define pclid_write_mesi pclid_info_write.mesi +#define pclid_write_part pclid_info_write.part +#define pclid_write_way pclid_info_write.way +#define pclid_write_level pclid_info_write.level +#define pclid_write_cache_type pclid_info_write.cache_type + +/* Processor cache line part encodings */ +#define PAL_CACHE_LINE_ID_PART_DATA 0 /* Data */ +#define PAL_CACHE_LINE_ID_PART_TAG 1 /* Tag */ +#define PAL_CACHE_LINE_ID_PART_DATA_PROT 2 /* Data protection */ +#define PAL_CACHE_LINE_ID_PART_TAG_PROT 3 /* Tag protection */ +#define PAL_CACHE_LINE_ID_PART_DATA_TAG_PROT 4 /* Data+tag + * protection + */ +typedef struct pal_cache_line_info_s { + pal_status_t pcli_status; /* Return status of the read cache line + * info call. + */ + u64 pcli_data; /* 64-bit data, tag, protection bits .. */ + u64 pcli_data_len; /* data length in bits */ + pal_cache_line_state_t pcli_cache_line_state; /* mesi state */ + +} pal_cache_line_info_t; + + +/* Machine Check related crap */ + +/* Pending event status bits */ +typedef u64 pal_mc_pending_events_t; + +#define PAL_MC_PENDING_MCA (1 << 0) +#define PAL_MC_PENDING_INIT (1 << 1) + +/* Error information type */ +typedef u64 pal_mc_info_index_t; + +#define PAL_MC_INFO_PROCESSOR 0 /* Processor */ +#define PAL_MC_INFO_CACHE_CHECK 1 /* Cache check */ +#define PAL_MC_INFO_TLB_CHECK 2 /* Tlb check */ +#define PAL_MC_INFO_BUS_CHECK 3 /* Bus check */ +#define PAL_MC_INFO_REQ_ADDR 4 /* Requestor address */ +#define PAL_MC_INFO_RESP_ADDR 5 /* Responder address */ +#define PAL_MC_INFO_TARGET_ADDR 6 /* Target address */ +#define PAL_MC_INFO_IMPL_DEP 7 /* Implementation + * dependent + */ + +#define PAL_TLB_CHECK_OP_PURGE 8 + +typedef struct pal_process_state_info_s { + u64 reserved1 : 2, + rz : 1, /* PAL_CHECK processor + * rendezvous + * successful. + */ + + ra : 1, /* PAL_CHECK attempted + * a rendezvous. + */ + me : 1, /* Distinct multiple + * errors occurred + */ + + mn : 1, /* Min. state save + * area has been + * registered with PAL + */ + + sy : 1, /* Storage integrity + * synched + */ + + + co : 1, /* Continuable */ + ci : 1, /* MC isolated */ + us : 1, /* Uncontained storage + * damage. + */ + + + hd : 1, /* Non-essential hw + * lost (no loss of + * functionality) + * causing the + * processor to run in + * degraded mode. + */ + + tl : 1, /* 1 => MC occurred + * after an instr was + * executed but before + * the trap that + * resulted from instr + * execution was + * generated. + * (Trap Lost ) + */ + mi : 1, /* More information available + * call PAL_MC_ERROR_INFO + */ + pi : 1, /* Precise instruction pointer */ + pm : 1, /* Precise min-state save area */ + + dy : 1, /* Processor dynamic + * state valid + */ + + + in : 1, /* 0 = MC, 1 = INIT */ + rs : 1, /* RSE valid */ + cm : 1, /* MC corrected */ + ex : 1, /* MC is expected */ + cr : 1, /* Control regs valid*/ + pc : 1, /* Perf cntrs valid */ + dr : 1, /* Debug regs valid */ + tr : 1, /* Translation regs + * valid + */ + rr : 1, /* Region regs valid */ + ar : 1, /* App regs valid */ + br : 1, /* Branch regs valid */ + pr : 1, /* Predicate registers + * valid + */ + + fp : 1, /* fp registers valid*/ + b1 : 1, /* Preserved bank one + * general registers + * are valid + */ + b0 : 1, /* Preserved bank zero + * general registers + * are valid + */ + gr : 1, /* General registers + * are valid + * (excl. banked regs) + */ + dsize : 16, /* size of dynamic + * state returned + * by the processor + */ + + se : 1, /* Shared error. MCA in a + shared structure */ + reserved2 : 10, + cc : 1, /* Cache check */ + tc : 1, /* TLB check */ + bc : 1, /* Bus check */ + rc : 1, /* Register file check */ + uc : 1; /* Uarch check */ + +} pal_processor_state_info_t; + +typedef struct pal_cache_check_info_s { + u64 op : 4, /* Type of cache + * operation that + * caused the machine + * check. + */ + level : 2, /* Cache level */ + reserved1 : 2, + dl : 1, /* Failure in data part + * of cache line + */ + tl : 1, /* Failure in tag part + * of cache line + */ + dc : 1, /* Failure in dcache */ + ic : 1, /* Failure in icache */ + mesi : 3, /* Cache line state */ + mv : 1, /* mesi valid */ + way : 5, /* Way in which the + * error occurred + */ + wiv : 1, /* Way field valid */ + reserved2 : 1, + dp : 1, /* Data poisoned on MBE */ + reserved3 : 6, + hlth : 2, /* Health indicator */ + + index : 20, /* Cache line index */ + reserved4 : 2, + + is : 1, /* instruction set (1 == ia32) */ + iv : 1, /* instruction set field valid */ + pl : 2, /* privilege level */ + pv : 1, /* privilege level field valid */ + mcc : 1, /* Machine check corrected */ + tv : 1, /* Target address + * structure is valid + */ + rq : 1, /* Requester identifier + * structure is valid + */ + rp : 1, /* Responder identifier + * structure is valid + */ + pi : 1; /* Precise instruction pointer + * structure is valid + */ +} pal_cache_check_info_t; + +typedef struct pal_tlb_check_info_s { + + u64 tr_slot : 8, /* Slot# of TR where + * error occurred + */ + trv : 1, /* tr_slot field is valid */ + reserved1 : 1, + level : 2, /* TLB level where failure occurred */ + reserved2 : 4, + dtr : 1, /* Fail in data TR */ + itr : 1, /* Fail in inst TR */ + dtc : 1, /* Fail in data TC */ + itc : 1, /* Fail in inst. TC */ + op : 4, /* Cache operation */ + reserved3 : 6, + hlth : 2, /* Health indicator */ + reserved4 : 22, + + is : 1, /* instruction set (1 == ia32) */ + iv : 1, /* instruction set field valid */ + pl : 2, /* privilege level */ + pv : 1, /* privilege level field valid */ + mcc : 1, /* Machine check corrected */ + tv : 1, /* Target address + * structure is valid + */ + rq : 1, /* Requester identifier + * structure is valid + */ + rp : 1, /* Responder identifier + * structure is valid + */ + pi : 1; /* Precise instruction pointer + * structure is valid + */ +} pal_tlb_check_info_t; + +typedef struct pal_bus_check_info_s { + u64 size : 5, /* Xaction size */ + ib : 1, /* Internal bus error */ + eb : 1, /* External bus error */ + cc : 1, /* Error occurred + * during cache-cache + * transfer. + */ + type : 8, /* Bus xaction type*/ + sev : 5, /* Bus error severity*/ + hier : 2, /* Bus hierarchy level */ + dp : 1, /* Data poisoned on MBE */ + bsi : 8, /* Bus error status + * info + */ + reserved2 : 22, + + is : 1, /* instruction set (1 == ia32) */ + iv : 1, /* instruction set field valid */ + pl : 2, /* privilege level */ + pv : 1, /* privilege level field valid */ + mcc : 1, /* Machine check corrected */ + tv : 1, /* Target address + * structure is valid + */ + rq : 1, /* Requester identifier + * structure is valid + */ + rp : 1, /* Responder identifier + * structure is valid + */ + pi : 1; /* Precise instruction pointer + * structure is valid + */ +} pal_bus_check_info_t; + +typedef struct pal_reg_file_check_info_s { + u64 id : 4, /* Register file identifier */ + op : 4, /* Type of register + * operation that + * caused the machine + * check. + */ + reg_num : 7, /* Register number */ + rnv : 1, /* reg_num valid */ + reserved2 : 38, + + is : 1, /* instruction set (1 == ia32) */ + iv : 1, /* instruction set field valid */ + pl : 2, /* privilege level */ + pv : 1, /* privilege level field valid */ + mcc : 1, /* Machine check corrected */ + reserved3 : 3, + pi : 1; /* Precise instruction pointer + * structure is valid + */ +} pal_reg_file_check_info_t; + +typedef struct pal_uarch_check_info_s { + u64 sid : 5, /* Structure identification */ + level : 3, /* Level of failure */ + array_id : 4, /* Array identification */ + op : 4, /* Type of + * operation that + * caused the machine + * check. + */ + way : 6, /* Way of structure */ + wv : 1, /* way valid */ + xv : 1, /* index valid */ + reserved1 : 6, + hlth : 2, /* Health indicator */ + index : 8, /* Index or set of the uarch + * structure that failed. + */ + reserved2 : 24, + + is : 1, /* instruction set (1 == ia32) */ + iv : 1, /* instruction set field valid */ + pl : 2, /* privilege level */ + pv : 1, /* privilege level field valid */ + mcc : 1, /* Machine check corrected */ + tv : 1, /* Target address + * structure is valid + */ + rq : 1, /* Requester identifier + * structure is valid + */ + rp : 1, /* Responder identifier + * structure is valid + */ + pi : 1; /* Precise instruction pointer + * structure is valid + */ +} pal_uarch_check_info_t; + +typedef union pal_mc_error_info_u { + u64 pmei_data; + pal_processor_state_info_t pme_processor; + pal_cache_check_info_t pme_cache; + pal_tlb_check_info_t pme_tlb; + pal_bus_check_info_t pme_bus; + pal_reg_file_check_info_t pme_reg_file; + pal_uarch_check_info_t pme_uarch; +} pal_mc_error_info_t; + +#define pmci_proc_unknown_check pme_processor.uc +#define pmci_proc_bus_check pme_processor.bc +#define pmci_proc_tlb_check pme_processor.tc +#define pmci_proc_cache_check pme_processor.cc +#define pmci_proc_dynamic_state_size pme_processor.dsize +#define pmci_proc_gpr_valid pme_processor.gr +#define pmci_proc_preserved_bank0_gpr_valid pme_processor.b0 +#define pmci_proc_preserved_bank1_gpr_valid pme_processor.b1 +#define pmci_proc_fp_valid pme_processor.fp +#define pmci_proc_predicate_regs_valid pme_processor.pr +#define pmci_proc_branch_regs_valid pme_processor.br +#define pmci_proc_app_regs_valid pme_processor.ar +#define pmci_proc_region_regs_valid pme_processor.rr +#define pmci_proc_translation_regs_valid pme_processor.tr +#define pmci_proc_debug_regs_valid pme_processor.dr +#define pmci_proc_perf_counters_valid pme_processor.pc +#define pmci_proc_control_regs_valid pme_processor.cr +#define pmci_proc_machine_check_expected pme_processor.ex +#define pmci_proc_machine_check_corrected pme_processor.cm +#define pmci_proc_rse_valid pme_processor.rs +#define pmci_proc_machine_check_or_init pme_processor.in +#define pmci_proc_dynamic_state_valid pme_processor.dy +#define pmci_proc_operation pme_processor.op +#define pmci_proc_trap_lost pme_processor.tl +#define pmci_proc_hardware_damage pme_processor.hd +#define pmci_proc_uncontained_storage_damage pme_processor.us +#define pmci_proc_machine_check_isolated pme_processor.ci +#define pmci_proc_continuable pme_processor.co +#define pmci_proc_storage_intergrity_synced pme_processor.sy +#define pmci_proc_min_state_save_area_regd pme_processor.mn +#define pmci_proc_distinct_multiple_errors pme_processor.me +#define pmci_proc_pal_attempted_rendezvous pme_processor.ra +#define pmci_proc_pal_rendezvous_complete pme_processor.rz + + +#define pmci_cache_level pme_cache.level +#define pmci_cache_line_state pme_cache.mesi +#define pmci_cache_line_state_valid pme_cache.mv +#define pmci_cache_line_index pme_cache.index +#define pmci_cache_instr_cache_fail pme_cache.ic +#define pmci_cache_data_cache_fail pme_cache.dc +#define pmci_cache_line_tag_fail pme_cache.tl +#define pmci_cache_line_data_fail pme_cache.dl +#define pmci_cache_operation pme_cache.op +#define pmci_cache_way_valid pme_cache.wv +#define pmci_cache_target_address_valid pme_cache.tv +#define pmci_cache_way pme_cache.way +#define pmci_cache_mc pme_cache.mc + +#define pmci_tlb_instr_translation_cache_fail pme_tlb.itc +#define pmci_tlb_data_translation_cache_fail pme_tlb.dtc +#define pmci_tlb_instr_translation_reg_fail pme_tlb.itr +#define pmci_tlb_data_translation_reg_fail pme_tlb.dtr +#define pmci_tlb_translation_reg_slot pme_tlb.tr_slot +#define pmci_tlb_mc pme_tlb.mc + +#define pmci_bus_status_info pme_bus.bsi +#define pmci_bus_req_address_valid pme_bus.rq +#define pmci_bus_resp_address_valid pme_bus.rp +#define pmci_bus_target_address_valid pme_bus.tv +#define pmci_bus_error_severity pme_bus.sev +#define pmci_bus_transaction_type pme_bus.type +#define pmci_bus_cache_cache_transfer pme_bus.cc +#define pmci_bus_transaction_size pme_bus.size +#define pmci_bus_internal_error pme_bus.ib +#define pmci_bus_external_error pme_bus.eb +#define pmci_bus_mc pme_bus.mc + +/* + * NOTE: this min_state_save area struct only includes the 1KB + * architectural state save area. The other 3 KB is scratch space + * for PAL. + */ + +typedef struct pal_min_state_area_s { + u64 pmsa_nat_bits; /* nat bits for saved GRs */ + u64 pmsa_gr[15]; /* GR1 - GR15 */ + u64 pmsa_bank0_gr[16]; /* GR16 - GR31 */ + u64 pmsa_bank1_gr[16]; /* GR16 - GR31 */ + u64 pmsa_pr; /* predicate registers */ + u64 pmsa_br0; /* branch register 0 */ + u64 pmsa_rsc; /* ar.rsc */ + u64 pmsa_iip; /* cr.iip */ + u64 pmsa_ipsr; /* cr.ipsr */ + u64 pmsa_ifs; /* cr.ifs */ + u64 pmsa_xip; /* previous iip */ + u64 pmsa_xpsr; /* previous psr */ + u64 pmsa_xfs; /* previous ifs */ + u64 pmsa_br1; /* branch register 1 */ + u64 pmsa_reserved[70]; /* pal_min_state_area should total to 1KB */ +} pal_min_state_area_t; + + +struct ia64_pal_retval { + /* + * A zero status value indicates call completed without error. + * A negative status value indicates reason of call failure. + * A positive status value indicates success but an + * informational value should be printed (e.g., "reboot for + * change to take effect"). + */ + s64 status; + u64 v0; + u64 v1; + u64 v2; +}; + +/* + * Note: Currently unused PAL arguments are generally labeled + * "reserved" so the value specified in the PAL documentation + * (generally 0) MUST be passed. Reserved parameters are not optional + * parameters. + */ +extern struct ia64_pal_retval ia64_pal_call_static (u64, u64, u64, u64); +extern struct ia64_pal_retval ia64_pal_call_stacked (u64, u64, u64, u64); +extern struct ia64_pal_retval ia64_pal_call_phys_static (u64, u64, u64, u64); +extern struct ia64_pal_retval ia64_pal_call_phys_stacked (u64, u64, u64, u64); +extern void ia64_save_scratch_fpregs (struct ia64_fpreg *); +extern void ia64_load_scratch_fpregs (struct ia64_fpreg *); + +#define PAL_CALL(iprv,a0,a1,a2,a3) do { \ + struct ia64_fpreg fr[6]; \ + ia64_save_scratch_fpregs(fr); \ + iprv = ia64_pal_call_static(a0, a1, a2, a3); \ + ia64_load_scratch_fpregs(fr); \ +} while (0) + +#define PAL_CALL_STK(iprv,a0,a1,a2,a3) do { \ + struct ia64_fpreg fr[6]; \ + ia64_save_scratch_fpregs(fr); \ + iprv = ia64_pal_call_stacked(a0, a1, a2, a3); \ + ia64_load_scratch_fpregs(fr); \ +} while (0) + +#define PAL_CALL_PHYS(iprv,a0,a1,a2,a3) do { \ + struct ia64_fpreg fr[6]; \ + ia64_save_scratch_fpregs(fr); \ + iprv = ia64_pal_call_phys_static(a0, a1, a2, a3); \ + ia64_load_scratch_fpregs(fr); \ +} while (0) + +#define PAL_CALL_PHYS_STK(iprv,a0,a1,a2,a3) do { \ + struct ia64_fpreg fr[6]; \ + ia64_save_scratch_fpregs(fr); \ + iprv = ia64_pal_call_phys_stacked(a0, a1, a2, a3); \ + ia64_load_scratch_fpregs(fr); \ +} while (0) + +typedef int (*ia64_pal_handler) (u64, ...); +extern ia64_pal_handler ia64_pal; +extern void ia64_pal_handler_init (void *); + +extern ia64_pal_handler ia64_pal; + +extern pal_cache_config_info_t l0d_cache_config_info; +extern pal_cache_config_info_t l0i_cache_config_info; +extern pal_cache_config_info_t l1_cache_config_info; +extern pal_cache_config_info_t l2_cache_config_info; + +extern pal_cache_protection_info_t l0d_cache_protection_info; +extern pal_cache_protection_info_t l0i_cache_protection_info; +extern pal_cache_protection_info_t l1_cache_protection_info; +extern pal_cache_protection_info_t l2_cache_protection_info; + +extern pal_cache_config_info_t pal_cache_config_info_get(pal_cache_level_t, + pal_cache_type_t); + +extern pal_cache_protection_info_t pal_cache_protection_info_get(pal_cache_level_t, + pal_cache_type_t); + + +extern void pal_error(int); + + +/* Useful wrappers for the current list of pal procedures */ + +typedef union pal_bus_features_u { + u64 pal_bus_features_val; + struct { + u64 pbf_reserved1 : 29; + u64 pbf_req_bus_parking : 1; + u64 pbf_bus_lock_mask : 1; + u64 pbf_enable_half_xfer_rate : 1; + u64 pbf_reserved2 : 20; + u64 pbf_enable_shared_line_replace : 1; + u64 pbf_enable_exclusive_line_replace : 1; + u64 pbf_disable_xaction_queueing : 1; + u64 pbf_disable_resp_err_check : 1; + u64 pbf_disable_berr_check : 1; + u64 pbf_disable_bus_req_internal_err_signal : 1; + u64 pbf_disable_bus_req_berr_signal : 1; + u64 pbf_disable_bus_init_event_check : 1; + u64 pbf_disable_bus_init_event_signal : 1; + u64 pbf_disable_bus_addr_err_check : 1; + u64 pbf_disable_bus_addr_err_signal : 1; + u64 pbf_disable_bus_data_err_check : 1; + } pal_bus_features_s; +} pal_bus_features_u_t; + +extern void pal_bus_features_print (u64); + +/* Provide information about configurable processor bus features */ +static inline s64 +ia64_pal_bus_get_features (pal_bus_features_u_t *features_avail, + pal_bus_features_u_t *features_status, + pal_bus_features_u_t *features_control) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS(iprv, PAL_BUS_GET_FEATURES, 0, 0, 0); + if (features_avail) + features_avail->pal_bus_features_val = iprv.v0; + if (features_status) + features_status->pal_bus_features_val = iprv.v1; + if (features_control) + features_control->pal_bus_features_val = iprv.v2; + return iprv.status; +} + +/* Enables/disables specific processor bus features */ +static inline s64 +ia64_pal_bus_set_features (pal_bus_features_u_t feature_select) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS(iprv, PAL_BUS_SET_FEATURES, feature_select.pal_bus_features_val, 0, 0); + return iprv.status; +} + +/* Get detailed cache information */ +static inline s64 +ia64_pal_cache_config_info (u64 cache_level, u64 cache_type, pal_cache_config_info_t *conf) +{ + struct ia64_pal_retval iprv; + + PAL_CALL(iprv, PAL_CACHE_INFO, cache_level, cache_type, 0); + + if (iprv.status == 0) { + conf->pcci_status = iprv.status; + conf->pcci_info_1.pcci1_data = iprv.v0; + conf->pcci_info_2.pcci2_data = iprv.v1; + conf->pcci_reserved = iprv.v2; + } + return iprv.status; + +} + +/* Get detailed cche protection information */ +static inline s64 +ia64_pal_cache_prot_info (u64 cache_level, u64 cache_type, pal_cache_protection_info_t *prot) +{ + struct ia64_pal_retval iprv; + + PAL_CALL(iprv, PAL_CACHE_PROT_INFO, cache_level, cache_type, 0); + + if (iprv.status == 0) { + prot->pcpi_status = iprv.status; + prot->pcp_info[0].pcpi_data = iprv.v0 & 0xffffffff; + prot->pcp_info[1].pcpi_data = iprv.v0 >> 32; + prot->pcp_info[2].pcpi_data = iprv.v1 & 0xffffffff; + prot->pcp_info[3].pcpi_data = iprv.v1 >> 32; + prot->pcp_info[4].pcpi_data = iprv.v2 & 0xffffffff; + prot->pcp_info[5].pcpi_data = iprv.v2 >> 32; + } + return iprv.status; +} + +/* + * Flush the processor instruction or data caches. *PROGRESS must be + * initialized to zero before calling this for the first time.. + */ +static inline s64 +ia64_pal_cache_flush (u64 cache_type, u64 invalidate, u64 *progress, u64 *vector) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_CACHE_FLUSH, cache_type, invalidate, *progress); + if (vector) + *vector = iprv.v0; + *progress = iprv.v1; + return iprv.status; +} + + +/* Initialize the processor controlled caches */ +static inline s64 +ia64_pal_cache_init (u64 level, u64 cache_type, u64 rest) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_CACHE_INIT, level, cache_type, rest); + return iprv.status; +} + +/* Initialize the tags and data of a data or unified cache line of + * processor controlled cache to known values without the availability + * of backing memory. + */ +static inline s64 +ia64_pal_cache_line_init (u64 physical_addr, u64 data_value) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_CACHE_LINE_INIT, physical_addr, data_value, 0); + return iprv.status; +} + + +/* Read the data and tag of a processor controlled cache line for diags */ +static inline s64 +ia64_pal_cache_read (pal_cache_line_id_u_t line_id, u64 physical_addr) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS_STK(iprv, PAL_CACHE_READ, line_id.pclid_data, + physical_addr, 0); + return iprv.status; +} + +/* Return summary information about the hierarchy of caches controlled by the processor */ +static inline long ia64_pal_cache_summary(unsigned long *cache_levels, + unsigned long *unique_caches) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_CACHE_SUMMARY, 0, 0, 0); + if (cache_levels) + *cache_levels = iprv.v0; + if (unique_caches) + *unique_caches = iprv.v1; + return iprv.status; +} + +/* Write the data and tag of a processor-controlled cache line for diags */ +static inline s64 +ia64_pal_cache_write (pal_cache_line_id_u_t line_id, u64 physical_addr, u64 data) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS_STK(iprv, PAL_CACHE_WRITE, line_id.pclid_data, + physical_addr, data); + return iprv.status; +} + + +/* Return the parameters needed to copy relocatable PAL procedures from ROM to memory */ +static inline s64 +ia64_pal_copy_info (u64 copy_type, u64 num_procs, u64 num_iopics, + u64 *buffer_size, u64 *buffer_align) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_COPY_INFO, copy_type, num_procs, num_iopics); + if (buffer_size) + *buffer_size = iprv.v0; + if (buffer_align) + *buffer_align = iprv.v1; + return iprv.status; +} + +/* Copy relocatable PAL procedures from ROM to memory */ +static inline s64 +ia64_pal_copy_pal (u64 target_addr, u64 alloc_size, u64 processor, u64 *pal_proc_offset) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_COPY_PAL, target_addr, alloc_size, processor); + if (pal_proc_offset) + *pal_proc_offset = iprv.v0; + return iprv.status; +} + +/* Return the number of instruction and data debug register pairs */ +static inline long ia64_pal_debug_info(unsigned long *inst_regs, + unsigned long *data_regs) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_DEBUG_INFO, 0, 0, 0); + if (inst_regs) + *inst_regs = iprv.v0; + if (data_regs) + *data_regs = iprv.v1; + + return iprv.status; +} + +#ifdef TBD +/* Switch from IA64-system environment to IA-32 system environment */ +static inline s64 +ia64_pal_enter_ia32_env (ia32_env1, ia32_env2, ia32_env3) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_ENTER_IA_32_ENV, ia32_env1, ia32_env2, ia32_env3); + return iprv.status; +} +#endif + +/* Get unique geographical address of this processor on its bus */ +static inline s64 +ia64_pal_fixed_addr (u64 *global_unique_addr) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_FIXED_ADDR, 0, 0, 0); + if (global_unique_addr) + *global_unique_addr = iprv.v0; + return iprv.status; +} + +/* Get base frequency of the platform if generated by the processor */ +static inline long ia64_pal_freq_base(unsigned long *platform_base_freq) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_FREQ_BASE, 0, 0, 0); + if (platform_base_freq) + *platform_base_freq = iprv.v0; + return iprv.status; +} + +/* + * Get the ratios for processor frequency, bus frequency and interval timer to + * to base frequency of the platform + */ +static inline s64 +ia64_pal_freq_ratios (struct pal_freq_ratio *proc_ratio, struct pal_freq_ratio *bus_ratio, + struct pal_freq_ratio *itc_ratio) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_FREQ_RATIOS, 0, 0, 0); + if (proc_ratio) + *(u64 *)proc_ratio = iprv.v0; + if (bus_ratio) + *(u64 *)bus_ratio = iprv.v1; + if (itc_ratio) + *(u64 *)itc_ratio = iprv.v2; + return iprv.status; +} + +/* + * Get the current hardware resource sharing policy of the processor + */ +static inline s64 +ia64_pal_get_hw_policy (u64 proc_num, u64 *cur_policy, u64 *num_impacted, + u64 *la) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_GET_HW_POLICY, proc_num, 0, 0); + if (cur_policy) + *cur_policy = iprv.v0; + if (num_impacted) + *num_impacted = iprv.v1; + if (la) + *la = iprv.v2; + return iprv.status; +} + +/* Make the processor enter HALT or one of the implementation dependent low + * power states where prefetching and execution are suspended and cache and + * TLB coherency is not maintained. + */ +static inline s64 +ia64_pal_halt (u64 halt_state) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_HALT, halt_state, 0, 0); + return iprv.status; +} + +typedef union pal_power_mgmt_info_u { + u64 ppmi_data; + struct { + u64 exit_latency : 16, + entry_latency : 16, + power_consumption : 28, + im : 1, + co : 1, + reserved : 2; + } pal_power_mgmt_info_s; +} pal_power_mgmt_info_u_t; + +/* Return information about processor's optional power management capabilities. */ +static inline s64 +ia64_pal_halt_info (pal_power_mgmt_info_u_t *power_buf) +{ + struct ia64_pal_retval iprv; + PAL_CALL_STK(iprv, PAL_HALT_INFO, (unsigned long) power_buf, 0, 0); + return iprv.status; +} + +/* Get the current P-state information */ +static inline s64 +ia64_pal_get_pstate (u64 *pstate_index, unsigned long type) +{ + struct ia64_pal_retval iprv; + PAL_CALL_STK(iprv, PAL_GET_PSTATE, type, 0, 0); + *pstate_index = iprv.v0; + return iprv.status; +} + +/* Set the P-state */ +static inline s64 +ia64_pal_set_pstate (u64 pstate_index) +{ + struct ia64_pal_retval iprv; + PAL_CALL_STK(iprv, PAL_SET_PSTATE, pstate_index, 0, 0); + return iprv.status; +} + +/* Processor branding information*/ +static inline s64 +ia64_pal_get_brand_info (char *brand_info) +{ + struct ia64_pal_retval iprv; + PAL_CALL_STK(iprv, PAL_BRAND_INFO, 0, (u64)brand_info, 0); + return iprv.status; +} + +/* Cause the processor to enter LIGHT HALT state, where prefetching and execution are + * suspended, but cache and TLB coherency is maintained. + */ +static inline s64 +ia64_pal_halt_light (void) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_HALT_LIGHT, 0, 0, 0); + return iprv.status; +} + +/* Clear all the processor error logging registers and reset the indicator that allows + * the error logging registers to be written. This procedure also checks the pending + * machine check bit and pending INIT bit and reports their states. + */ +static inline s64 +ia64_pal_mc_clear_log (u64 *pending_vector) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_CLEAR_LOG, 0, 0, 0); + if (pending_vector) + *pending_vector = iprv.v0; + return iprv.status; +} + +/* Ensure that all outstanding transactions in a processor are completed or that any + * MCA due to thes outstanding transaction is taken. + */ +static inline s64 +ia64_pal_mc_drain (void) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_DRAIN, 0, 0, 0); + return iprv.status; +} + +/* Return the machine check dynamic processor state */ +static inline s64 +ia64_pal_mc_dynamic_state (u64 info_type, u64 dy_buffer, u64 *size) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, info_type, dy_buffer, 0); + if (size) + *size = iprv.v0; + return iprv.status; +} + +/* Return processor machine check information */ +static inline s64 +ia64_pal_mc_error_info (u64 info_index, u64 type_index, u64 *size, u64 *error_info) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_ERROR_INFO, info_index, type_index, 0); + if (size) + *size = iprv.v0; + if (error_info) + *error_info = iprv.v1; + return iprv.status; +} + +/* Injects the requested processor error or returns info on + * supported injection capabilities for current processor implementation + */ +static inline s64 +ia64_pal_mc_error_inject_phys (u64 err_type_info, u64 err_struct_info, + u64 err_data_buffer, u64 *capabilities, u64 *resources) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info, + err_struct_info, err_data_buffer); + if (capabilities) + *capabilities= iprv.v0; + if (resources) + *resources= iprv.v1; + return iprv.status; +} + +static inline s64 +ia64_pal_mc_error_inject_virt (u64 err_type_info, u64 err_struct_info, + u64 err_data_buffer, u64 *capabilities, u64 *resources) +{ + struct ia64_pal_retval iprv; + PAL_CALL_STK(iprv, PAL_MC_ERROR_INJECT, err_type_info, + err_struct_info, err_data_buffer); + if (capabilities) + *capabilities= iprv.v0; + if (resources) + *resources= iprv.v1; + return iprv.status; +} + +/* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot + * attempt to correct any expected machine checks. + */ +static inline s64 +ia64_pal_mc_expected (u64 expected, u64 *previous) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_EXPECTED, expected, 0, 0); + if (previous) + *previous = iprv.v0; + return iprv.status; +} + +typedef union pal_hw_tracking_u { + u64 pht_data; + struct { + u64 itc :4, /* Instruction cache tracking */ + dct :4, /* Date cache tracking */ + itt :4, /* Instruction TLB tracking */ + ddt :4, /* Data TLB tracking */ + reserved:48; + } pal_hw_tracking_s; +} pal_hw_tracking_u_t; + +/* + * Hardware tracking status. + */ +static inline s64 +ia64_pal_mc_hw_tracking (u64 *status) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_HW_TRACKING, 0, 0, 0); + if (status) + *status = iprv.v0; + return iprv.status; +} + +/* Register a platform dependent location with PAL to which it can save + * minimal processor state in the event of a machine check or initialization + * event. + */ +static inline s64 +ia64_pal_mc_register_mem (u64 physical_addr, u64 size, u64 *req_size) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, size, 0); + if (req_size) + *req_size = iprv.v0; + return iprv.status; +} + +/* Restore minimal architectural processor state, set CMC interrupt if necessary + * and resume execution + */ +static inline s64 +ia64_pal_mc_resume (u64 set_cmci, u64 save_ptr) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MC_RESUME, set_cmci, save_ptr, 0); + return iprv.status; +} + +/* Return the memory attributes implemented by the processor */ +static inline s64 +ia64_pal_mem_attrib (u64 *mem_attrib) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MEM_ATTRIB, 0, 0, 0); + if (mem_attrib) + *mem_attrib = iprv.v0 & 0xff; + return iprv.status; +} + +/* Return the amount of memory needed for second phase of processor + * self-test and the required alignment of memory. + */ +static inline s64 +ia64_pal_mem_for_test (u64 *bytes_needed, u64 *alignment) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_MEM_FOR_TEST, 0, 0, 0); + if (bytes_needed) + *bytes_needed = iprv.v0; + if (alignment) + *alignment = iprv.v1; + return iprv.status; +} + +typedef union pal_perf_mon_info_u { + u64 ppmi_data; + struct { + u64 generic : 8, + width : 8, + cycles : 8, + retired : 8, + reserved : 32; + } pal_perf_mon_info_s; +} pal_perf_mon_info_u_t; + +/* Return the performance monitor information about what can be counted + * and how to configure the monitors to count the desired events. + */ +static inline s64 +ia64_pal_perf_mon_info (u64 *pm_buffer, pal_perf_mon_info_u_t *pm_info) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_PERF_MON_INFO, (unsigned long) pm_buffer, 0, 0); + if (pm_info) + pm_info->ppmi_data = iprv.v0; + return iprv.status; +} + +/* Specifies the physical address of the processor interrupt block + * and I/O port space. + */ +static inline s64 +ia64_pal_platform_addr (u64 type, u64 physical_addr) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_PLATFORM_ADDR, type, physical_addr, 0); + return iprv.status; +} + +/* Set the SAL PMI entrypoint in memory */ +static inline s64 +ia64_pal_pmi_entrypoint (u64 sal_pmi_entry_addr) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_PMI_ENTRYPOINT, sal_pmi_entry_addr, 0, 0); + return iprv.status; +} + +struct pal_features_s; +/* Provide information about configurable processor features */ +static inline s64 +ia64_pal_proc_get_features (u64 *features_avail, + u64 *features_status, + u64 *features_control, + u64 features_set) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, features_set, 0); + if (iprv.status == 0) { + *features_avail = iprv.v0; + *features_status = iprv.v1; + *features_control = iprv.v2; + } + return iprv.status; +} + +/* Enable/disable processor dependent features */ +static inline s64 +ia64_pal_proc_set_features (u64 feature_select) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS(iprv, PAL_PROC_SET_FEATURES, feature_select, 0, 0); + return iprv.status; +} + +/* + * Put everything in a struct so we avoid the global offset table whenever + * possible. + */ +typedef struct ia64_ptce_info_s { + unsigned long base; + u32 count[2]; + u32 stride[2]; +} ia64_ptce_info_t; + +/* Return the information required for the architected loop used to purge + * (initialize) the entire TC + */ +static inline s64 +ia64_get_ptce (ia64_ptce_info_t *ptce) +{ + struct ia64_pal_retval iprv; + + if (!ptce) + return -1; + + PAL_CALL(iprv, PAL_PTCE_INFO, 0, 0, 0); + if (iprv.status == 0) { + ptce->base = iprv.v0; + ptce->count[0] = iprv.v1 >> 32; + ptce->count[1] = iprv.v1 & 0xffffffff; + ptce->stride[0] = iprv.v2 >> 32; + ptce->stride[1] = iprv.v2 & 0xffffffff; + } + return iprv.status; +} + +/* Return info about implemented application and control registers. */ +static inline s64 +ia64_pal_register_info (u64 info_request, u64 *reg_info_1, u64 *reg_info_2) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_REGISTER_INFO, info_request, 0, 0); + if (reg_info_1) + *reg_info_1 = iprv.v0; + if (reg_info_2) + *reg_info_2 = iprv.v1; + return iprv.status; +} + +typedef union pal_hints_u { + unsigned long ph_data; + struct { + unsigned long si : 1, + li : 1, + reserved : 62; + } pal_hints_s; +} pal_hints_u_t; + +/* Return information about the register stack and RSE for this processor + * implementation. + */ +static inline long ia64_pal_rse_info(unsigned long *num_phys_stacked, + pal_hints_u_t *hints) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_RSE_INFO, 0, 0, 0); + if (num_phys_stacked) + *num_phys_stacked = iprv.v0; + if (hints) + hints->ph_data = iprv.v1; + return iprv.status; +} + +/* + * Set the current hardware resource sharing policy of the processor + */ +static inline s64 +ia64_pal_set_hw_policy (u64 policy) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_SET_HW_POLICY, policy, 0, 0); + return iprv.status; +} + +/* Cause the processor to enter SHUTDOWN state, where prefetching and execution are + * suspended, but cause cache and TLB coherency to be maintained. + * This is usually called in IA-32 mode. + */ +static inline s64 +ia64_pal_shutdown (void) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_SHUTDOWN, 0, 0, 0); + return iprv.status; +} + +/* Perform the second phase of processor self-test. */ +static inline s64 +ia64_pal_test_proc (u64 test_addr, u64 test_size, u64 attributes, u64 *self_test_state) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_TEST_PROC, test_addr, test_size, attributes); + if (self_test_state) + *self_test_state = iprv.v0; + return iprv.status; +} + +typedef union pal_version_u { + u64 pal_version_val; + struct { + u64 pv_pal_b_rev : 8; + u64 pv_pal_b_model : 8; + u64 pv_reserved1 : 8; + u64 pv_pal_vendor : 8; + u64 pv_pal_a_rev : 8; + u64 pv_pal_a_model : 8; + u64 pv_reserved2 : 16; + } pal_version_s; +} pal_version_u_t; + + +/* + * Return PAL version information. While the documentation states that + * PAL_VERSION can be called in either physical or virtual mode, some + * implementations only allow physical calls. We don't call it very often, + * so the overhead isn't worth eliminating. + */ +static inline s64 +ia64_pal_version (pal_version_u_t *pal_min_version, pal_version_u_t *pal_cur_version) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS(iprv, PAL_VERSION, 0, 0, 0); + if (pal_min_version) + pal_min_version->pal_version_val = iprv.v0; + + if (pal_cur_version) + pal_cur_version->pal_version_val = iprv.v1; + + return iprv.status; +} + +typedef union pal_tc_info_u { + u64 pti_val; + struct { + u64 num_sets : 8, + associativity : 8, + num_entries : 16, + pf : 1, + unified : 1, + reduce_tr : 1, + reserved : 29; + } pal_tc_info_s; +} pal_tc_info_u_t; + +#define tc_reduce_tr pal_tc_info_s.reduce_tr +#define tc_unified pal_tc_info_s.unified +#define tc_pf pal_tc_info_s.pf +#define tc_num_entries pal_tc_info_s.num_entries +#define tc_associativity pal_tc_info_s.associativity +#define tc_num_sets pal_tc_info_s.num_sets + + +/* Return information about the virtual memory characteristics of the processor + * implementation. + */ +static inline s64 +ia64_pal_vm_info (u64 tc_level, u64 tc_type, pal_tc_info_u_t *tc_info, u64 *tc_pages) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_VM_INFO, tc_level, tc_type, 0); + if (tc_info) + tc_info->pti_val = iprv.v0; + if (tc_pages) + *tc_pages = iprv.v1; + return iprv.status; +} + +/* Get page size information about the virtual memory characteristics of the processor + * implementation. + */ +static inline s64 ia64_pal_vm_page_size(u64 *tr_pages, u64 *vw_pages) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_VM_PAGE_SIZE, 0, 0, 0); + if (tr_pages) + *tr_pages = iprv.v0; + if (vw_pages) + *vw_pages = iprv.v1; + return iprv.status; +} + +typedef union pal_vm_info_1_u { + u64 pvi1_val; + struct { + u64 vw : 1, + phys_add_size : 7, + key_size : 8, + max_pkr : 8, + hash_tag_id : 8, + max_dtr_entry : 8, + max_itr_entry : 8, + max_unique_tcs : 8, + num_tc_levels : 8; + } pal_vm_info_1_s; +} pal_vm_info_1_u_t; + +#define PAL_MAX_PURGES 0xFFFF /* all ones is means unlimited */ + +typedef union pal_vm_info_2_u { + u64 pvi2_val; + struct { + u64 impl_va_msb : 8, + rid_size : 8, + max_purges : 16, + reserved : 32; + } pal_vm_info_2_s; +} pal_vm_info_2_u_t; + +/* Get summary information about the virtual memory characteristics of the processor + * implementation. + */ +static inline s64 +ia64_pal_vm_summary (pal_vm_info_1_u_t *vm_info_1, pal_vm_info_2_u_t *vm_info_2) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_VM_SUMMARY, 0, 0, 0); + if (vm_info_1) + vm_info_1->pvi1_val = iprv.v0; + if (vm_info_2) + vm_info_2->pvi2_val = iprv.v1; + return iprv.status; +} + +typedef union pal_vp_info_u { + u64 pvi_val; + struct { + u64 index: 48, /* virtual feature set info */ + vmm_id: 16; /* feature set id */ + } pal_vp_info_s; +} pal_vp_info_u_t; + +/* + * Returns information about virtual processor features + */ +static inline s64 +ia64_pal_vp_info (u64 feature_set, u64 vp_buffer, u64 *vp_info, u64 *vmm_id) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_VP_INFO, feature_set, vp_buffer, 0); + if (vp_info) + *vp_info = iprv.v0; + if (vmm_id) + *vmm_id = iprv.v1; + return iprv.status; +} + +typedef union pal_itr_valid_u { + u64 piv_val; + struct { + u64 access_rights_valid : 1, + priv_level_valid : 1, + dirty_bit_valid : 1, + mem_attr_valid : 1, + reserved : 60; + } pal_tr_valid_s; +} pal_tr_valid_u_t; + +/* Read a translation register */ +static inline s64 +ia64_pal_tr_read (u64 reg_num, u64 tr_type, u64 *tr_buffer, pal_tr_valid_u_t *tr_valid) +{ + struct ia64_pal_retval iprv; + PAL_CALL_PHYS_STK(iprv, PAL_VM_TR_READ, reg_num, tr_type,(u64)ia64_tpa(tr_buffer)); + if (tr_valid) + tr_valid->piv_val = iprv.v0; + return iprv.status; +} + +/* + * PAL_PREFETCH_VISIBILITY transaction types + */ +#define PAL_VISIBILITY_VIRTUAL 0 +#define PAL_VISIBILITY_PHYSICAL 1 + +/* + * PAL_PREFETCH_VISIBILITY return codes + */ +#define PAL_VISIBILITY_OK 1 +#define PAL_VISIBILITY_OK_REMOTE_NEEDED 0 +#define PAL_VISIBILITY_INVAL_ARG -2 +#define PAL_VISIBILITY_ERROR -3 + +static inline s64 +ia64_pal_prefetch_visibility (s64 trans_type) +{ + struct ia64_pal_retval iprv; + PAL_CALL(iprv, PAL_PREFETCH_VISIBILITY, trans_type, 0, 0); + return iprv.status; +} + +/* data structure for getting information on logical to physical mappings */ +typedef union pal_log_overview_u { + struct { + u64 num_log :16, /* Total number of logical + * processors on this die + */ + tpc :8, /* Threads per core */ + reserved3 :8, /* Reserved */ + cpp :8, /* Cores per processor */ + reserved2 :8, /* Reserved */ + ppid :8, /* Physical processor ID */ + reserved1 :8; /* Reserved */ + } overview_bits; + u64 overview_data; +} pal_log_overview_t; + +typedef union pal_proc_n_log_info1_u{ + struct { + u64 tid :16, /* Thread id */ + reserved2 :16, /* Reserved */ + cid :16, /* Core id */ + reserved1 :16; /* Reserved */ + } ppli1_bits; + u64 ppli1_data; +} pal_proc_n_log_info1_t; + +typedef union pal_proc_n_log_info2_u { + struct { + u64 la :16, /* Logical address */ + reserved :48; /* Reserved */ + } ppli2_bits; + u64 ppli2_data; +} pal_proc_n_log_info2_t; + +typedef struct pal_logical_to_physical_s +{ + pal_log_overview_t overview; + pal_proc_n_log_info1_t ppli1; + pal_proc_n_log_info2_t ppli2; +} pal_logical_to_physical_t; + +#define overview_num_log overview.overview_bits.num_log +#define overview_tpc overview.overview_bits.tpc +#define overview_cpp overview.overview_bits.cpp +#define overview_ppid overview.overview_bits.ppid +#define log1_tid ppli1.ppli1_bits.tid +#define log1_cid ppli1.ppli1_bits.cid +#define log2_la ppli2.ppli2_bits.la + +/* Get information on logical to physical processor mappings. */ +static inline s64 +ia64_pal_logical_to_phys(u64 proc_number, pal_logical_to_physical_t *mapping) +{ + struct ia64_pal_retval iprv; + + PAL_CALL(iprv, PAL_LOGICAL_TO_PHYSICAL, proc_number, 0, 0); + + if (iprv.status == PAL_STATUS_SUCCESS) + { + mapping->overview.overview_data = iprv.v0; + mapping->ppli1.ppli1_data = iprv.v1; + mapping->ppli2.ppli2_data = iprv.v2; + } + + return iprv.status; +} + +typedef struct pal_cache_shared_info_s +{ + u64 num_shared; + pal_proc_n_log_info1_t ppli1; + pal_proc_n_log_info2_t ppli2; +} pal_cache_shared_info_t; + +/* Get information on logical to physical processor mappings. */ +static inline s64 +ia64_pal_cache_shared_info(u64 level, + u64 type, + u64 proc_number, + pal_cache_shared_info_t *info) +{ + struct ia64_pal_retval iprv; + + PAL_CALL(iprv, PAL_CACHE_SHARED_INFO, level, type, proc_number); + + if (iprv.status == PAL_STATUS_SUCCESS) { + info->num_shared = iprv.v0; + info->ppli1.ppli1_data = iprv.v1; + info->ppli2.ppli2_data = iprv.v2; + } + + return iprv.status; +} +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_IA64_PAL_H */ |