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linux/include/asm-ia64/pal.h
Russ Anderson 618b206f0b [IA64] Proper handling of TLB errors from duplicate itr.d dropins 
Jack Steiner noticed that duplicate TLB DTC entries do not cause a
linux panic.  See discussion:

http://www.gelato.unsw.edu.au/archives/linux-ia64/0307/6108.html

The current TLB recovery code is recovering from the duplicate itr.d
dropins, masking the underlying problem.  This change modifies
the MCA recovery code to look for the TLB check signature of the
duplicate TLB entry and panic in that case.

Signed-off-by: Russ Anderson (rja@sgi.com)
Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-03-08 09:41:46 -08:00

1740 lines
51 KiB
C
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#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>
*
* 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_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
#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 : 8,
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 : 30,
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 : 8,
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 s64
ia64_pal_cache_summary (u64 *cache_levels, u64 *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 s64
ia64_pal_debug_info (u64 *inst_regs, u64 *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 s64
ia64_pal_freq_base (u64 *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 offset, u64 *size, u64 *pds)
{
struct ia64_pal_retval iprv;
PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, offset, 0, 0);
if (size)
*size = iprv.v0;
if (pds)
*pds = iprv.v1;
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;
}
/* 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;
}
/* 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)
{
struct ia64_pal_retval iprv;
PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, 0, 0);
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)
{
struct ia64_pal_retval iprv;
PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, 0, 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 {
u64 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 {
u64 ph_data;
struct {
u64 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 s64
ia64_pal_rse_info (u64 *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_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 */
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