1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_IA64_PAL_H
3 #define _ASM_IA64_PAL_H
6 * Processor Abstraction Layer definitions.
8 * This is based on Intel IA-64 Architecture Software Developer's Manual rev 1.0
9 * chapter 11 IA-64 Processor Abstraction Layer
11 * Copyright (C) 1998-2001 Hewlett-Packard Co
12 * David Mosberger-Tang <davidm@hpl.hp.com>
13 * Stephane Eranian <eranian@hpl.hp.com>
14 * Copyright (C) 1999 VA Linux Systems
15 * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
16 * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com>
17 * Copyright (C) 2008 Silicon Graphics, Inc. (SGI)
19 * 99/10/01 davidm Make sure we pass zero for reserved parameters.
20 * 00/03/07 davidm Updated pal_cache_flush() to be in sync with PAL v2.6.
21 * 00/03/23 cfleck Modified processor min-state save area to match updated PAL & SAL info
22 * 00/05/24 eranian Updated to latest PAL spec, fix structures bugs, added
23 * 00/05/25 eranian Support for stack calls, and static physical calls
24 * 00/06/18 eranian Support for stacked physical calls
25 * 06/10/26 rja Support for Intel Itanium Architecture Software Developer's
26 * Manual Rev 2.2 (Jan 2006)
30 * Note that some of these calls use a static-register only calling
31 * convention which has nothing to do with the regular calling
34 #define PAL_CACHE_FLUSH 1 /* flush i/d cache */
35 #define PAL_CACHE_INFO 2 /* get detailed i/d cache info */
36 #define PAL_CACHE_INIT 3 /* initialize i/d cache */
37 #define PAL_CACHE_SUMMARY 4 /* get summary of cache hierarchy */
38 #define PAL_MEM_ATTRIB 5 /* list supported memory attributes */
39 #define PAL_PTCE_INFO 6 /* purge TLB info */
40 #define PAL_VM_INFO 7 /* return supported virtual memory features */
41 #define PAL_VM_SUMMARY 8 /* return summary on supported vm features */
42 #define PAL_BUS_GET_FEATURES 9 /* return processor bus interface features settings */
43 #define PAL_BUS_SET_FEATURES 10 /* set processor bus features */
44 #define PAL_DEBUG_INFO 11 /* get number of debug registers */
45 #define PAL_FIXED_ADDR 12 /* get fixed component of processors's directed address */
46 #define PAL_FREQ_BASE 13 /* base frequency of the platform */
47 #define PAL_FREQ_RATIOS 14 /* ratio of processor, bus and ITC frequency */
48 #define PAL_PERF_MON_INFO 15 /* return performance monitor info */
49 #define PAL_PLATFORM_ADDR 16 /* set processor interrupt block and IO port space addr */
50 #define PAL_PROC_GET_FEATURES 17 /* get configurable processor features & settings */
51 #define PAL_PROC_SET_FEATURES 18 /* enable/disable configurable processor features */
52 #define PAL_RSE_INFO 19 /* return rse information */
53 #define PAL_VERSION 20 /* return version of PAL code */
54 #define PAL_MC_CLEAR_LOG 21 /* clear all processor log info */
55 #define PAL_MC_DRAIN 22 /* drain operations which could result in an MCA */
56 #define PAL_MC_EXPECTED 23 /* set/reset expected MCA indicator */
57 #define PAL_MC_DYNAMIC_STATE 24 /* get processor dynamic state */
58 #define PAL_MC_ERROR_INFO 25 /* get processor MCA info and static state */
59 #define PAL_MC_RESUME 26 /* Return to interrupted process */
60 #define PAL_MC_REGISTER_MEM 27 /* Register memory for PAL to use during MCAs and inits */
61 #define PAL_HALT 28 /* enter the low power HALT state */
62 #define PAL_HALT_LIGHT 29 /* enter the low power light halt state*/
63 #define PAL_COPY_INFO 30 /* returns info needed to relocate PAL */
64 #define PAL_CACHE_LINE_INIT 31 /* init tags & data of cache line */
65 #define PAL_PMI_ENTRYPOINT 32 /* register PMI memory entry points with the processor */
66 #define PAL_ENTER_IA_32_ENV 33 /* enter IA-32 system environment */
67 #define PAL_VM_PAGE_SIZE 34 /* return vm TC and page walker page sizes */
69 #define PAL_MEM_FOR_TEST 37 /* get amount of memory needed for late processor test */
70 #define PAL_CACHE_PROT_INFO 38 /* get i/d cache protection info */
71 #define PAL_REGISTER_INFO 39 /* return AR and CR register information*/
72 #define PAL_SHUTDOWN 40 /* enter processor shutdown state */
73 #define PAL_PREFETCH_VISIBILITY 41 /* Make Processor Prefetches Visible */
74 #define PAL_LOGICAL_TO_PHYSICAL 42 /* returns information on logical to physical processor mapping */
75 #define PAL_CACHE_SHARED_INFO 43 /* returns information on caches shared by logical processor */
76 #define PAL_GET_HW_POLICY 48 /* Get current hardware resource sharing policy */
77 #define PAL_SET_HW_POLICY 49 /* Set current hardware resource sharing policy */
78 #define PAL_VP_INFO 50 /* Information about virtual processor features */
79 #define PAL_MC_HW_TRACKING 51 /* Hardware tracking status */
81 #define PAL_COPY_PAL 256 /* relocate PAL procedures and PAL PMI */
82 #define PAL_HALT_INFO 257 /* return the low power capabilities of processor */
83 #define PAL_TEST_PROC 258 /* perform late processor self-test */
84 #define PAL_CACHE_READ 259 /* read tag & data of cacheline for diagnostic testing */
85 #define PAL_CACHE_WRITE 260 /* write tag & data of cacheline for diagnostic testing */
86 #define PAL_VM_TR_READ 261 /* read contents of translation register */
87 #define PAL_GET_PSTATE 262 /* get the current P-state */
88 #define PAL_SET_PSTATE 263 /* set the P-state */
89 #define PAL_BRAND_INFO 274 /* Processor branding information */
91 #define PAL_GET_PSTATE_TYPE_LASTSET 0
92 #define PAL_GET_PSTATE_TYPE_AVGANDRESET 1
93 #define PAL_GET_PSTATE_TYPE_AVGNORESET 2
94 #define PAL_GET_PSTATE_TYPE_INSTANT 3
96 #define PAL_MC_ERROR_INJECT 276 /* Injects processor error or returns injection capabilities */
100 #include <linux/types.h>
104 * Data types needed to pass information into PAL procedures and
105 * interpret information returned by them.
108 /* Return status from the PAL procedure */
109 typedef s64 pal_status_t
;
111 #define PAL_STATUS_SUCCESS 0 /* No error */
112 #define PAL_STATUS_UNIMPLEMENTED (-1) /* Unimplemented procedure */
113 #define PAL_STATUS_EINVAL (-2) /* Invalid argument */
114 #define PAL_STATUS_ERROR (-3) /* Error */
115 #define PAL_STATUS_CACHE_INIT_FAIL (-4) /* Could not initialize the
116 * specified level and type of
117 * cache without sideeffects
118 * and "restrict" was 1
120 #define PAL_STATUS_REQUIRES_MEMORY (-9) /* Call requires PAL memory buffer */
122 /* Processor cache level in the hierarchy */
123 typedef u64 pal_cache_level_t
;
124 #define PAL_CACHE_LEVEL_L0 0 /* L0 */
125 #define PAL_CACHE_LEVEL_L1 1 /* L1 */
126 #define PAL_CACHE_LEVEL_L2 2 /* L2 */
129 /* Processor cache type at a particular level in the hierarchy */
131 typedef u64 pal_cache_type_t
;
132 #define PAL_CACHE_TYPE_INSTRUCTION 1 /* Instruction cache */
133 #define PAL_CACHE_TYPE_DATA 2 /* Data or unified cache */
134 #define PAL_CACHE_TYPE_INSTRUCTION_DATA 3 /* Both Data & Instruction */
137 #define PAL_CACHE_FLUSH_INVALIDATE 1 /* Invalidate clean lines */
138 #define PAL_CACHE_FLUSH_CHK_INTRS 2 /* check for interrupts/mc while flushing */
140 /* Processor cache line size in bytes */
141 typedef int pal_cache_line_size_t
;
143 /* Processor cache line state */
144 typedef u64 pal_cache_line_state_t
;
145 #define PAL_CACHE_LINE_STATE_INVALID 0 /* Invalid */
146 #define PAL_CACHE_LINE_STATE_SHARED 1 /* Shared */
147 #define PAL_CACHE_LINE_STATE_EXCLUSIVE 2 /* Exclusive */
148 #define PAL_CACHE_LINE_STATE_MODIFIED 3 /* Modified */
150 typedef struct pal_freq_ratio
{
151 u32 den
, num
; /* numerator & denominator */
152 } itc_ratio
, proc_ratio
;
154 typedef union pal_cache_config_info_1_s
{
156 u64 u
: 1, /* 0 Unified cache ? */
157 at
: 2, /* 2-1 Cache mem attr*/
158 reserved
: 5, /* 7-3 Reserved */
159 associativity
: 8, /* 16-8 Associativity*/
160 line_size
: 8, /* 23-17 Line size */
161 stride
: 8, /* 31-24 Stride */
162 store_latency
: 8, /*39-32 Store latency*/
163 load_latency
: 8, /* 47-40 Load latency*/
164 store_hints
: 8, /* 55-48 Store hints*/
165 load_hints
: 8; /* 63-56 Load hints */
168 } pal_cache_config_info_1_t
;
170 typedef union pal_cache_config_info_2_s
{
172 u32 cache_size
; /*cache size in bytes*/
175 u32 alias_boundary
: 8, /* 39-32 aliased addr
179 tag_ls_bit
: 8, /* 47-40 LSb of addr*/
180 tag_ms_bit
: 8, /* 55-48 MSb of addr*/
181 reserved
: 8; /* 63-56 Reserved */
184 } pal_cache_config_info_2_t
;
187 typedef struct pal_cache_config_info_s
{
188 pal_status_t pcci_status
;
189 pal_cache_config_info_1_t pcci_info_1
;
190 pal_cache_config_info_2_t pcci_info_2
;
192 } pal_cache_config_info_t
;
194 #define pcci_ld_hints pcci_info_1.pcci1_bits.load_hints
195 #define pcci_st_hints pcci_info_1.pcci1_bits.store_hints
196 #define pcci_ld_latency pcci_info_1.pcci1_bits.load_latency
197 #define pcci_st_latency pcci_info_1.pcci1_bits.store_latency
198 #define pcci_stride pcci_info_1.pcci1_bits.stride
199 #define pcci_line_size pcci_info_1.pcci1_bits.line_size
200 #define pcci_assoc pcci_info_1.pcci1_bits.associativity
201 #define pcci_cache_attr pcci_info_1.pcci1_bits.at
202 #define pcci_unified pcci_info_1.pcci1_bits.u
203 #define pcci_tag_msb pcci_info_2.pcci2_bits.tag_ms_bit
204 #define pcci_tag_lsb pcci_info_2.pcci2_bits.tag_ls_bit
205 #define pcci_alias_boundary pcci_info_2.pcci2_bits.alias_boundary
206 #define pcci_cache_size pcci_info_2.pcci2_bits.cache_size
210 /* Possible values for cache attributes */
212 #define PAL_CACHE_ATTR_WT 0 /* Write through cache */
213 #define PAL_CACHE_ATTR_WB 1 /* Write back cache */
214 #define PAL_CACHE_ATTR_WT_OR_WB 2 /* Either write thru or write
215 * back depending on TLB
220 /* Possible values for cache hints */
222 #define PAL_CACHE_HINT_TEMP_1 0 /* Temporal level 1 */
223 #define PAL_CACHE_HINT_NTEMP_1 1 /* Non-temporal level 1 */
224 #define PAL_CACHE_HINT_NTEMP_ALL 3 /* Non-temporal all levels */
226 /* Processor cache protection information */
227 typedef union pal_cache_protection_element_u
{
230 u32 data_bits
: 8, /* # data bits covered by
231 * each unit of protection
234 tagprot_lsb
: 6, /* Least -do- */
235 tagprot_msb
: 6, /* Most Sig. tag address
239 prot_bits
: 6, /* # of protection bits */
240 method
: 4, /* Protection method */
241 t_d
: 2; /* Indicates which part
243 * protection encoding
247 } pal_cache_protection_element_t
;
249 #define pcpi_cache_prot_part pcp_info.t_d
250 #define pcpi_prot_method pcp_info.method
251 #define pcpi_prot_bits pcp_info.prot_bits
252 #define pcpi_tagprot_msb pcp_info.tagprot_msb
253 #define pcpi_tagprot_lsb pcp_info.tagprot_lsb
254 #define pcpi_data_bits pcp_info.data_bits
256 /* Processor cache part encodings */
257 #define PAL_CACHE_PROT_PART_DATA 0 /* Data protection */
258 #define PAL_CACHE_PROT_PART_TAG 1 /* Tag protection */
259 #define PAL_CACHE_PROT_PART_TAG_DATA 2 /* Tag+data protection (tag is
262 #define PAL_CACHE_PROT_PART_DATA_TAG 3 /* Data+tag protection (data is
265 #define PAL_CACHE_PROT_PART_MAX 6
268 typedef struct pal_cache_protection_info_s
{
269 pal_status_t pcpi_status
;
270 pal_cache_protection_element_t pcp_info
[PAL_CACHE_PROT_PART_MAX
];
271 } pal_cache_protection_info_t
;
274 /* Processor cache protection method encodings */
275 #define PAL_CACHE_PROT_METHOD_NONE 0 /* No protection */
276 #define PAL_CACHE_PROT_METHOD_ODD_PARITY 1 /* Odd parity */
277 #define PAL_CACHE_PROT_METHOD_EVEN_PARITY 2 /* Even parity */
278 #define PAL_CACHE_PROT_METHOD_ECC 3 /* ECC protection */
281 /* Processor cache line identification in the hierarchy */
282 typedef union pal_cache_line_id_u
{
285 u64 cache_type
: 8, /* 7-0 cache type */
286 level
: 8, /* 15-8 level of the
290 way
: 8, /* 23-16 way in the set
292 part
: 8, /* 31-24 part of the
295 reserved
: 32; /* 63-32 is reserved*/
298 u64 cache_type
: 8, /* 7-0 cache type */
299 level
: 8, /* 15-8 level of the
303 way
: 8, /* 23-16 way in the set
305 part
: 8, /* 31-24 part of the
308 mesi
: 8, /* 39-32 cache line
311 start
: 8, /* 47-40 lsb of data to
314 length
: 8, /* 55-48 #bits to
317 trigger
: 8; /* 63-56 Trigger error
323 } pal_cache_line_id_u_t
;
325 #define pclid_read_part pclid_info_read.part
326 #define pclid_read_way pclid_info_read.way
327 #define pclid_read_level pclid_info_read.level
328 #define pclid_read_cache_type pclid_info_read.cache_type
330 #define pclid_write_trigger pclid_info_write.trigger
331 #define pclid_write_length pclid_info_write.length
332 #define pclid_write_start pclid_info_write.start
333 #define pclid_write_mesi pclid_info_write.mesi
334 #define pclid_write_part pclid_info_write.part
335 #define pclid_write_way pclid_info_write.way
336 #define pclid_write_level pclid_info_write.level
337 #define pclid_write_cache_type pclid_info_write.cache_type
339 /* Processor cache line part encodings */
340 #define PAL_CACHE_LINE_ID_PART_DATA 0 /* Data */
341 #define PAL_CACHE_LINE_ID_PART_TAG 1 /* Tag */
342 #define PAL_CACHE_LINE_ID_PART_DATA_PROT 2 /* Data protection */
343 #define PAL_CACHE_LINE_ID_PART_TAG_PROT 3 /* Tag protection */
344 #define PAL_CACHE_LINE_ID_PART_DATA_TAG_PROT 4 /* Data+tag
347 typedef struct pal_cache_line_info_s
{
348 pal_status_t pcli_status
; /* Return status of the read cache line
351 u64 pcli_data
; /* 64-bit data, tag, protection bits .. */
352 u64 pcli_data_len
; /* data length in bits */
353 pal_cache_line_state_t pcli_cache_line_state
; /* mesi state */
355 } pal_cache_line_info_t
;
358 /* Machine Check related crap */
360 /* Pending event status bits */
361 typedef u64 pal_mc_pending_events_t
;
363 #define PAL_MC_PENDING_MCA (1 << 0)
364 #define PAL_MC_PENDING_INIT (1 << 1)
366 /* Error information type */
367 typedef u64 pal_mc_info_index_t
;
369 #define PAL_MC_INFO_PROCESSOR 0 /* Processor */
370 #define PAL_MC_INFO_CACHE_CHECK 1 /* Cache check */
371 #define PAL_MC_INFO_TLB_CHECK 2 /* Tlb check */
372 #define PAL_MC_INFO_BUS_CHECK 3 /* Bus check */
373 #define PAL_MC_INFO_REQ_ADDR 4 /* Requestor address */
374 #define PAL_MC_INFO_RESP_ADDR 5 /* Responder address */
375 #define PAL_MC_INFO_TARGET_ADDR 6 /* Target address */
376 #define PAL_MC_INFO_IMPL_DEP 7 /* Implementation
380 #define PAL_TLB_CHECK_OP_PURGE 8
382 typedef struct pal_process_state_info_s
{
384 rz
: 1, /* PAL_CHECK processor
389 ra
: 1, /* PAL_CHECK attempted
392 me
: 1, /* Distinct multiple
396 mn
: 1, /* Min. state save
398 * registered with PAL
401 sy
: 1, /* Storage integrity
406 co
: 1, /* Continuable */
407 ci
: 1, /* MC isolated */
408 us
: 1, /* Uncontained storage
413 hd
: 1, /* Non-essential hw
417 * processor to run in
421 tl
: 1, /* 1 => MC occurred
423 * executed but before
425 * resulted from instr
430 mi
: 1, /* More information available
431 * call PAL_MC_ERROR_INFO
433 pi
: 1, /* Precise instruction pointer */
434 pm
: 1, /* Precise min-state save area */
436 dy
: 1, /* Processor dynamic
441 in
: 1, /* 0 = MC, 1 = INIT */
442 rs
: 1, /* RSE valid */
443 cm
: 1, /* MC corrected */
444 ex
: 1, /* MC is expected */
445 cr
: 1, /* Control regs valid*/
446 pc
: 1, /* Perf cntrs valid */
447 dr
: 1, /* Debug regs valid */
448 tr
: 1, /* Translation regs
451 rr
: 1, /* Region regs valid */
452 ar
: 1, /* App regs valid */
453 br
: 1, /* Branch regs valid */
454 pr
: 1, /* Predicate registers
458 fp
: 1, /* fp registers valid*/
459 b1
: 1, /* Preserved bank one
463 b0
: 1, /* Preserved bank zero
467 gr
: 1, /* General registers
469 * (excl. banked regs)
471 dsize
: 16, /* size of dynamic
476 se
: 1, /* Shared error. MCA in a
479 cc
: 1, /* Cache check */
480 tc
: 1, /* TLB check */
481 bc
: 1, /* Bus check */
482 rc
: 1, /* Register file check */
483 uc
: 1; /* Uarch check */
485 } pal_processor_state_info_t
;
487 typedef struct pal_cache_check_info_s
{
488 u64 op
: 4, /* Type of cache
493 level
: 2, /* Cache level */
495 dl
: 1, /* Failure in data part
498 tl
: 1, /* Failure in tag part
501 dc
: 1, /* Failure in dcache */
502 ic
: 1, /* Failure in icache */
503 mesi
: 3, /* Cache line state */
504 mv
: 1, /* mesi valid */
505 way
: 5, /* Way in which the
508 wiv
: 1, /* Way field valid */
510 dp
: 1, /* Data poisoned on MBE */
512 hlth
: 2, /* Health indicator */
514 index
: 20, /* Cache line index */
517 is
: 1, /* instruction set (1 == ia32) */
518 iv
: 1, /* instruction set field valid */
519 pl
: 2, /* privilege level */
520 pv
: 1, /* privilege level field valid */
521 mcc
: 1, /* Machine check corrected */
522 tv
: 1, /* Target address
525 rq
: 1, /* Requester identifier
528 rp
: 1, /* Responder identifier
531 pi
: 1; /* Precise instruction pointer
534 } pal_cache_check_info_t
;
536 typedef struct pal_tlb_check_info_s
{
538 u64 tr_slot
: 8, /* Slot# of TR where
541 trv
: 1, /* tr_slot field is valid */
543 level
: 2, /* TLB level where failure occurred */
545 dtr
: 1, /* Fail in data TR */
546 itr
: 1, /* Fail in inst TR */
547 dtc
: 1, /* Fail in data TC */
548 itc
: 1, /* Fail in inst. TC */
549 op
: 4, /* Cache operation */
551 hlth
: 2, /* Health indicator */
554 is
: 1, /* instruction set (1 == ia32) */
555 iv
: 1, /* instruction set field valid */
556 pl
: 2, /* privilege level */
557 pv
: 1, /* privilege level field valid */
558 mcc
: 1, /* Machine check corrected */
559 tv
: 1, /* Target address
562 rq
: 1, /* Requester identifier
565 rp
: 1, /* Responder identifier
568 pi
: 1; /* Precise instruction pointer
571 } pal_tlb_check_info_t
;
573 typedef struct pal_bus_check_info_s
{
574 u64 size
: 5, /* Xaction size */
575 ib
: 1, /* Internal bus error */
576 eb
: 1, /* External bus error */
577 cc
: 1, /* Error occurred
581 type
: 8, /* Bus xaction type*/
582 sev
: 5, /* Bus error severity*/
583 hier
: 2, /* Bus hierarchy level */
584 dp
: 1, /* Data poisoned on MBE */
585 bsi
: 8, /* Bus error status
590 is
: 1, /* instruction set (1 == ia32) */
591 iv
: 1, /* instruction set field valid */
592 pl
: 2, /* privilege level */
593 pv
: 1, /* privilege level field valid */
594 mcc
: 1, /* Machine check corrected */
595 tv
: 1, /* Target address
598 rq
: 1, /* Requester identifier
601 rp
: 1, /* Responder identifier
604 pi
: 1; /* Precise instruction pointer
607 } pal_bus_check_info_t
;
609 typedef struct pal_reg_file_check_info_s
{
610 u64 id
: 4, /* Register file identifier */
611 op
: 4, /* Type of register
616 reg_num
: 7, /* Register number */
617 rnv
: 1, /* reg_num valid */
620 is
: 1, /* instruction set (1 == ia32) */
621 iv
: 1, /* instruction set field valid */
622 pl
: 2, /* privilege level */
623 pv
: 1, /* privilege level field valid */
624 mcc
: 1, /* Machine check corrected */
626 pi
: 1; /* Precise instruction pointer
629 } pal_reg_file_check_info_t
;
631 typedef struct pal_uarch_check_info_s
{
632 u64 sid
: 5, /* Structure identification */
633 level
: 3, /* Level of failure */
634 array_id
: 4, /* Array identification */
640 way
: 6, /* Way of structure */
641 wv
: 1, /* way valid */
642 xv
: 1, /* index valid */
644 hlth
: 2, /* Health indicator */
645 index
: 8, /* Index or set of the uarch
646 * structure that failed.
650 is
: 1, /* instruction set (1 == ia32) */
651 iv
: 1, /* instruction set field valid */
652 pl
: 2, /* privilege level */
653 pv
: 1, /* privilege level field valid */
654 mcc
: 1, /* Machine check corrected */
655 tv
: 1, /* Target address
658 rq
: 1, /* Requester identifier
661 rp
: 1, /* Responder identifier
664 pi
: 1; /* Precise instruction pointer
667 } pal_uarch_check_info_t
;
669 typedef union pal_mc_error_info_u
{
671 pal_processor_state_info_t pme_processor
;
672 pal_cache_check_info_t pme_cache
;
673 pal_tlb_check_info_t pme_tlb
;
674 pal_bus_check_info_t pme_bus
;
675 pal_reg_file_check_info_t pme_reg_file
;
676 pal_uarch_check_info_t pme_uarch
;
677 } pal_mc_error_info_t
;
679 #define pmci_proc_unknown_check pme_processor.uc
680 #define pmci_proc_bus_check pme_processor.bc
681 #define pmci_proc_tlb_check pme_processor.tc
682 #define pmci_proc_cache_check pme_processor.cc
683 #define pmci_proc_dynamic_state_size pme_processor.dsize
684 #define pmci_proc_gpr_valid pme_processor.gr
685 #define pmci_proc_preserved_bank0_gpr_valid pme_processor.b0
686 #define pmci_proc_preserved_bank1_gpr_valid pme_processor.b1
687 #define pmci_proc_fp_valid pme_processor.fp
688 #define pmci_proc_predicate_regs_valid pme_processor.pr
689 #define pmci_proc_branch_regs_valid pme_processor.br
690 #define pmci_proc_app_regs_valid pme_processor.ar
691 #define pmci_proc_region_regs_valid pme_processor.rr
692 #define pmci_proc_translation_regs_valid pme_processor.tr
693 #define pmci_proc_debug_regs_valid pme_processor.dr
694 #define pmci_proc_perf_counters_valid pme_processor.pc
695 #define pmci_proc_control_regs_valid pme_processor.cr
696 #define pmci_proc_machine_check_expected pme_processor.ex
697 #define pmci_proc_machine_check_corrected pme_processor.cm
698 #define pmci_proc_rse_valid pme_processor.rs
699 #define pmci_proc_machine_check_or_init pme_processor.in
700 #define pmci_proc_dynamic_state_valid pme_processor.dy
701 #define pmci_proc_operation pme_processor.op
702 #define pmci_proc_trap_lost pme_processor.tl
703 #define pmci_proc_hardware_damage pme_processor.hd
704 #define pmci_proc_uncontained_storage_damage pme_processor.us
705 #define pmci_proc_machine_check_isolated pme_processor.ci
706 #define pmci_proc_continuable pme_processor.co
707 #define pmci_proc_storage_intergrity_synced pme_processor.sy
708 #define pmci_proc_min_state_save_area_regd pme_processor.mn
709 #define pmci_proc_distinct_multiple_errors pme_processor.me
710 #define pmci_proc_pal_attempted_rendezvous pme_processor.ra
711 #define pmci_proc_pal_rendezvous_complete pme_processor.rz
714 #define pmci_cache_level pme_cache.level
715 #define pmci_cache_line_state pme_cache.mesi
716 #define pmci_cache_line_state_valid pme_cache.mv
717 #define pmci_cache_line_index pme_cache.index
718 #define pmci_cache_instr_cache_fail pme_cache.ic
719 #define pmci_cache_data_cache_fail pme_cache.dc
720 #define pmci_cache_line_tag_fail pme_cache.tl
721 #define pmci_cache_line_data_fail pme_cache.dl
722 #define pmci_cache_operation pme_cache.op
723 #define pmci_cache_way_valid pme_cache.wv
724 #define pmci_cache_target_address_valid pme_cache.tv
725 #define pmci_cache_way pme_cache.way
726 #define pmci_cache_mc pme_cache.mc
728 #define pmci_tlb_instr_translation_cache_fail pme_tlb.itc
729 #define pmci_tlb_data_translation_cache_fail pme_tlb.dtc
730 #define pmci_tlb_instr_translation_reg_fail pme_tlb.itr
731 #define pmci_tlb_data_translation_reg_fail pme_tlb.dtr
732 #define pmci_tlb_translation_reg_slot pme_tlb.tr_slot
733 #define pmci_tlb_mc pme_tlb.mc
735 #define pmci_bus_status_info pme_bus.bsi
736 #define pmci_bus_req_address_valid pme_bus.rq
737 #define pmci_bus_resp_address_valid pme_bus.rp
738 #define pmci_bus_target_address_valid pme_bus.tv
739 #define pmci_bus_error_severity pme_bus.sev
740 #define pmci_bus_transaction_type pme_bus.type
741 #define pmci_bus_cache_cache_transfer pme_bus.cc
742 #define pmci_bus_transaction_size pme_bus.size
743 #define pmci_bus_internal_error pme_bus.ib
744 #define pmci_bus_external_error pme_bus.eb
745 #define pmci_bus_mc pme_bus.mc
748 * NOTE: this min_state_save area struct only includes the 1KB
749 * architectural state save area. The other 3 KB is scratch space
753 typedef struct pal_min_state_area_s
{
754 u64 pmsa_nat_bits
; /* nat bits for saved GRs */
755 u64 pmsa_gr
[15]; /* GR1 - GR15 */
756 u64 pmsa_bank0_gr
[16]; /* GR16 - GR31 */
757 u64 pmsa_bank1_gr
[16]; /* GR16 - GR31 */
758 u64 pmsa_pr
; /* predicate registers */
759 u64 pmsa_br0
; /* branch register 0 */
760 u64 pmsa_rsc
; /* ar.rsc */
761 u64 pmsa_iip
; /* cr.iip */
762 u64 pmsa_ipsr
; /* cr.ipsr */
763 u64 pmsa_ifs
; /* cr.ifs */
764 u64 pmsa_xip
; /* previous iip */
765 u64 pmsa_xpsr
; /* previous psr */
766 u64 pmsa_xfs
; /* previous ifs */
767 u64 pmsa_br1
; /* branch register 1 */
768 u64 pmsa_reserved
[70]; /* pal_min_state_area should total to 1KB */
769 } pal_min_state_area_t
;
772 struct ia64_pal_retval
{
774 * A zero status value indicates call completed without error.
775 * A negative status value indicates reason of call failure.
776 * A positive status value indicates success but an
777 * informational value should be printed (e.g., "reboot for
778 * change to take effect").
787 * Note: Currently unused PAL arguments are generally labeled
788 * "reserved" so the value specified in the PAL documentation
789 * (generally 0) MUST be passed. Reserved parameters are not optional
792 extern struct ia64_pal_retval
ia64_pal_call_static (u64
, u64
, u64
, u64
);
793 extern struct ia64_pal_retval
ia64_pal_call_stacked (u64
, u64
, u64
, u64
);
794 extern struct ia64_pal_retval
ia64_pal_call_phys_static (u64
, u64
, u64
, u64
);
795 extern struct ia64_pal_retval
ia64_pal_call_phys_stacked (u64
, u64
, u64
, u64
);
796 extern void ia64_save_scratch_fpregs (struct ia64_fpreg
*);
797 extern void ia64_load_scratch_fpregs (struct ia64_fpreg
*);
799 #define PAL_CALL(iprv,a0,a1,a2,a3) do { \
800 struct ia64_fpreg fr[6]; \
801 ia64_save_scratch_fpregs(fr); \
802 iprv = ia64_pal_call_static(a0, a1, a2, a3); \
803 ia64_load_scratch_fpregs(fr); \
806 #define PAL_CALL_STK(iprv,a0,a1,a2,a3) do { \
807 struct ia64_fpreg fr[6]; \
808 ia64_save_scratch_fpregs(fr); \
809 iprv = ia64_pal_call_stacked(a0, a1, a2, a3); \
810 ia64_load_scratch_fpregs(fr); \
813 #define PAL_CALL_PHYS(iprv,a0,a1,a2,a3) do { \
814 struct ia64_fpreg fr[6]; \
815 ia64_save_scratch_fpregs(fr); \
816 iprv = ia64_pal_call_phys_static(a0, a1, a2, a3); \
817 ia64_load_scratch_fpregs(fr); \
820 #define PAL_CALL_PHYS_STK(iprv,a0,a1,a2,a3) do { \
821 struct ia64_fpreg fr[6]; \
822 ia64_save_scratch_fpregs(fr); \
823 iprv = ia64_pal_call_phys_stacked(a0, a1, a2, a3); \
824 ia64_load_scratch_fpregs(fr); \
827 typedef int (*ia64_pal_handler
) (u64
, ...);
828 extern ia64_pal_handler ia64_pal
;
829 extern void ia64_pal_handler_init (void *);
831 extern ia64_pal_handler ia64_pal
;
833 extern pal_cache_config_info_t l0d_cache_config_info
;
834 extern pal_cache_config_info_t l0i_cache_config_info
;
835 extern pal_cache_config_info_t l1_cache_config_info
;
836 extern pal_cache_config_info_t l2_cache_config_info
;
838 extern pal_cache_protection_info_t l0d_cache_protection_info
;
839 extern pal_cache_protection_info_t l0i_cache_protection_info
;
840 extern pal_cache_protection_info_t l1_cache_protection_info
;
841 extern pal_cache_protection_info_t l2_cache_protection_info
;
843 extern pal_cache_config_info_t
pal_cache_config_info_get(pal_cache_level_t
,
846 extern pal_cache_protection_info_t
pal_cache_protection_info_get(pal_cache_level_t
,
850 extern void pal_error(int);
853 /* Useful wrappers for the current list of pal procedures */
855 typedef union pal_bus_features_u
{
856 u64 pal_bus_features_val
;
858 u64 pbf_reserved1
: 29;
859 u64 pbf_req_bus_parking
: 1;
860 u64 pbf_bus_lock_mask
: 1;
861 u64 pbf_enable_half_xfer_rate
: 1;
862 u64 pbf_reserved2
: 20;
863 u64 pbf_enable_shared_line_replace
: 1;
864 u64 pbf_enable_exclusive_line_replace
: 1;
865 u64 pbf_disable_xaction_queueing
: 1;
866 u64 pbf_disable_resp_err_check
: 1;
867 u64 pbf_disable_berr_check
: 1;
868 u64 pbf_disable_bus_req_internal_err_signal
: 1;
869 u64 pbf_disable_bus_req_berr_signal
: 1;
870 u64 pbf_disable_bus_init_event_check
: 1;
871 u64 pbf_disable_bus_init_event_signal
: 1;
872 u64 pbf_disable_bus_addr_err_check
: 1;
873 u64 pbf_disable_bus_addr_err_signal
: 1;
874 u64 pbf_disable_bus_data_err_check
: 1;
875 } pal_bus_features_s
;
876 } pal_bus_features_u_t
;
878 extern void pal_bus_features_print (u64
);
880 /* Provide information about configurable processor bus features */
882 ia64_pal_bus_get_features (pal_bus_features_u_t
*features_avail
,
883 pal_bus_features_u_t
*features_status
,
884 pal_bus_features_u_t
*features_control
)
886 struct ia64_pal_retval iprv
;
887 PAL_CALL_PHYS(iprv
, PAL_BUS_GET_FEATURES
, 0, 0, 0);
889 features_avail
->pal_bus_features_val
= iprv
.v0
;
891 features_status
->pal_bus_features_val
= iprv
.v1
;
892 if (features_control
)
893 features_control
->pal_bus_features_val
= iprv
.v2
;
897 /* Enables/disables specific processor bus features */
899 ia64_pal_bus_set_features (pal_bus_features_u_t feature_select
)
901 struct ia64_pal_retval iprv
;
902 PAL_CALL_PHYS(iprv
, PAL_BUS_SET_FEATURES
, feature_select
.pal_bus_features_val
, 0, 0);
906 /* Get detailed cache information */
908 ia64_pal_cache_config_info (u64 cache_level
, u64 cache_type
, pal_cache_config_info_t
*conf
)
910 struct ia64_pal_retval iprv
;
912 PAL_CALL(iprv
, PAL_CACHE_INFO
, cache_level
, cache_type
, 0);
914 if (iprv
.status
== 0) {
915 conf
->pcci_status
= iprv
.status
;
916 conf
->pcci_info_1
.pcci1_data
= iprv
.v0
;
917 conf
->pcci_info_2
.pcci2_data
= iprv
.v1
;
918 conf
->pcci_reserved
= iprv
.v2
;
924 /* Get detailed cche protection information */
926 ia64_pal_cache_prot_info (u64 cache_level
, u64 cache_type
, pal_cache_protection_info_t
*prot
)
928 struct ia64_pal_retval iprv
;
930 PAL_CALL(iprv
, PAL_CACHE_PROT_INFO
, cache_level
, cache_type
, 0);
932 if (iprv
.status
== 0) {
933 prot
->pcpi_status
= iprv
.status
;
934 prot
->pcp_info
[0].pcpi_data
= iprv
.v0
& 0xffffffff;
935 prot
->pcp_info
[1].pcpi_data
= iprv
.v0
>> 32;
936 prot
->pcp_info
[2].pcpi_data
= iprv
.v1
& 0xffffffff;
937 prot
->pcp_info
[3].pcpi_data
= iprv
.v1
>> 32;
938 prot
->pcp_info
[4].pcpi_data
= iprv
.v2
& 0xffffffff;
939 prot
->pcp_info
[5].pcpi_data
= iprv
.v2
>> 32;
945 * Flush the processor instruction or data caches. *PROGRESS must be
946 * initialized to zero before calling this for the first time..
949 ia64_pal_cache_flush (u64 cache_type
, u64 invalidate
, u64
*progress
, u64
*vector
)
951 struct ia64_pal_retval iprv
;
952 PAL_CALL(iprv
, PAL_CACHE_FLUSH
, cache_type
, invalidate
, *progress
);
960 /* Initialize the processor controlled caches */
962 ia64_pal_cache_init (u64 level
, u64 cache_type
, u64 rest
)
964 struct ia64_pal_retval iprv
;
965 PAL_CALL(iprv
, PAL_CACHE_INIT
, level
, cache_type
, rest
);
969 /* Initialize the tags and data of a data or unified cache line of
970 * processor controlled cache to known values without the availability
974 ia64_pal_cache_line_init (u64 physical_addr
, u64 data_value
)
976 struct ia64_pal_retval iprv
;
977 PAL_CALL(iprv
, PAL_CACHE_LINE_INIT
, physical_addr
, data_value
, 0);
982 /* Read the data and tag of a processor controlled cache line for diags */
984 ia64_pal_cache_read (pal_cache_line_id_u_t line_id
, u64 physical_addr
)
986 struct ia64_pal_retval iprv
;
987 PAL_CALL_PHYS_STK(iprv
, PAL_CACHE_READ
, line_id
.pclid_data
,
992 /* Return summary information about the hierarchy of caches controlled by the processor */
993 static inline long ia64_pal_cache_summary(unsigned long *cache_levels
,
994 unsigned long *unique_caches
)
996 struct ia64_pal_retval iprv
;
997 PAL_CALL(iprv
, PAL_CACHE_SUMMARY
, 0, 0, 0);
999 *cache_levels
= iprv
.v0
;
1001 *unique_caches
= iprv
.v1
;
1005 /* Write the data and tag of a processor-controlled cache line for diags */
1007 ia64_pal_cache_write (pal_cache_line_id_u_t line_id
, u64 physical_addr
, u64 data
)
1009 struct ia64_pal_retval iprv
;
1010 PAL_CALL_PHYS_STK(iprv
, PAL_CACHE_WRITE
, line_id
.pclid_data
,
1011 physical_addr
, data
);
1016 /* Return the parameters needed to copy relocatable PAL procedures from ROM to memory */
1018 ia64_pal_copy_info (u64 copy_type
, u64 num_procs
, u64 num_iopics
,
1019 u64
*buffer_size
, u64
*buffer_align
)
1021 struct ia64_pal_retval iprv
;
1022 PAL_CALL(iprv
, PAL_COPY_INFO
, copy_type
, num_procs
, num_iopics
);
1024 *buffer_size
= iprv
.v0
;
1026 *buffer_align
= iprv
.v1
;
1030 /* Copy relocatable PAL procedures from ROM to memory */
1032 ia64_pal_copy_pal (u64 target_addr
, u64 alloc_size
, u64 processor
, u64
*pal_proc_offset
)
1034 struct ia64_pal_retval iprv
;
1035 PAL_CALL(iprv
, PAL_COPY_PAL
, target_addr
, alloc_size
, processor
);
1036 if (pal_proc_offset
)
1037 *pal_proc_offset
= iprv
.v0
;
1041 /* Return the number of instruction and data debug register pairs */
1042 static inline long ia64_pal_debug_info(unsigned long *inst_regs
,
1043 unsigned long *data_regs
)
1045 struct ia64_pal_retval iprv
;
1046 PAL_CALL(iprv
, PAL_DEBUG_INFO
, 0, 0, 0);
1048 *inst_regs
= iprv
.v0
;
1050 *data_regs
= iprv
.v1
;
1056 /* Switch from IA64-system environment to IA-32 system environment */
1058 ia64_pal_enter_ia32_env (ia32_env1
, ia32_env2
, ia32_env3
)
1060 struct ia64_pal_retval iprv
;
1061 PAL_CALL(iprv
, PAL_ENTER_IA_32_ENV
, ia32_env1
, ia32_env2
, ia32_env3
);
1066 /* Get unique geographical address of this processor on its bus */
1068 ia64_pal_fixed_addr (u64
*global_unique_addr
)
1070 struct ia64_pal_retval iprv
;
1071 PAL_CALL(iprv
, PAL_FIXED_ADDR
, 0, 0, 0);
1072 if (global_unique_addr
)
1073 *global_unique_addr
= iprv
.v0
;
1077 /* Get base frequency of the platform if generated by the processor */
1078 static inline long ia64_pal_freq_base(unsigned long *platform_base_freq
)
1080 struct ia64_pal_retval iprv
;
1081 PAL_CALL(iprv
, PAL_FREQ_BASE
, 0, 0, 0);
1082 if (platform_base_freq
)
1083 *platform_base_freq
= iprv
.v0
;
1088 * Get the ratios for processor frequency, bus frequency and interval timer to
1089 * to base frequency of the platform
1092 ia64_pal_freq_ratios (struct pal_freq_ratio
*proc_ratio
, struct pal_freq_ratio
*bus_ratio
,
1093 struct pal_freq_ratio
*itc_ratio
)
1095 struct ia64_pal_retval iprv
;
1096 PAL_CALL(iprv
, PAL_FREQ_RATIOS
, 0, 0, 0);
1098 *(u64
*)proc_ratio
= iprv
.v0
;
1100 *(u64
*)bus_ratio
= iprv
.v1
;
1102 *(u64
*)itc_ratio
= iprv
.v2
;
1107 * Get the current hardware resource sharing policy of the processor
1110 ia64_pal_get_hw_policy (u64 proc_num
, u64
*cur_policy
, u64
*num_impacted
,
1113 struct ia64_pal_retval iprv
;
1114 PAL_CALL(iprv
, PAL_GET_HW_POLICY
, proc_num
, 0, 0);
1116 *cur_policy
= iprv
.v0
;
1118 *num_impacted
= iprv
.v1
;
1124 /* Make the processor enter HALT or one of the implementation dependent low
1125 * power states where prefetching and execution are suspended and cache and
1126 * TLB coherency is not maintained.
1129 ia64_pal_halt (u64 halt_state
)
1131 struct ia64_pal_retval iprv
;
1132 PAL_CALL(iprv
, PAL_HALT
, halt_state
, 0, 0);
1136 typedef union pal_power_mgmt_info_u
{
1139 u64 exit_latency
: 16,
1141 power_consumption
: 28,
1145 } pal_power_mgmt_info_s
;
1146 } pal_power_mgmt_info_u_t
;
1148 /* Return information about processor's optional power management capabilities. */
1150 ia64_pal_halt_info (pal_power_mgmt_info_u_t
*power_buf
)
1152 struct ia64_pal_retval iprv
;
1153 PAL_CALL_STK(iprv
, PAL_HALT_INFO
, (unsigned long) power_buf
, 0, 0);
1157 /* Get the current P-state information */
1159 ia64_pal_get_pstate (u64
*pstate_index
, unsigned long type
)
1161 struct ia64_pal_retval iprv
;
1162 PAL_CALL_STK(iprv
, PAL_GET_PSTATE
, type
, 0, 0);
1163 *pstate_index
= iprv
.v0
;
1167 /* Set the P-state */
1169 ia64_pal_set_pstate (u64 pstate_index
)
1171 struct ia64_pal_retval iprv
;
1172 PAL_CALL_STK(iprv
, PAL_SET_PSTATE
, pstate_index
, 0, 0);
1176 /* Processor branding information*/
1178 ia64_pal_get_brand_info (char *brand_info
)
1180 struct ia64_pal_retval iprv
;
1181 PAL_CALL_STK(iprv
, PAL_BRAND_INFO
, 0, (u64
)brand_info
, 0);
1185 /* Cause the processor to enter LIGHT HALT state, where prefetching and execution are
1186 * suspended, but cache and TLB coherency is maintained.
1189 ia64_pal_halt_light (void)
1191 struct ia64_pal_retval iprv
;
1192 PAL_CALL(iprv
, PAL_HALT_LIGHT
, 0, 0, 0);
1196 /* Clear all the processor error logging registers and reset the indicator that allows
1197 * the error logging registers to be written. This procedure also checks the pending
1198 * machine check bit and pending INIT bit and reports their states.
1201 ia64_pal_mc_clear_log (u64
*pending_vector
)
1203 struct ia64_pal_retval iprv
;
1204 PAL_CALL(iprv
, PAL_MC_CLEAR_LOG
, 0, 0, 0);
1206 *pending_vector
= iprv
.v0
;
1210 /* Ensure that all outstanding transactions in a processor are completed or that any
1211 * MCA due to thes outstanding transaction is taken.
1214 ia64_pal_mc_drain (void)
1216 struct ia64_pal_retval iprv
;
1217 PAL_CALL(iprv
, PAL_MC_DRAIN
, 0, 0, 0);
1221 /* Return the machine check dynamic processor state */
1223 ia64_pal_mc_dynamic_state (u64 info_type
, u64 dy_buffer
, u64
*size
)
1225 struct ia64_pal_retval iprv
;
1226 PAL_CALL(iprv
, PAL_MC_DYNAMIC_STATE
, info_type
, dy_buffer
, 0);
1232 /* Return processor machine check information */
1234 ia64_pal_mc_error_info (u64 info_index
, u64 type_index
, u64
*size
, u64
*error_info
)
1236 struct ia64_pal_retval iprv
;
1237 PAL_CALL(iprv
, PAL_MC_ERROR_INFO
, info_index
, type_index
, 0);
1241 *error_info
= iprv
.v1
;
1245 /* Injects the requested processor error or returns info on
1246 * supported injection capabilities for current processor implementation
1249 ia64_pal_mc_error_inject_phys (u64 err_type_info
, u64 err_struct_info
,
1250 u64 err_data_buffer
, u64
*capabilities
, u64
*resources
)
1252 struct ia64_pal_retval iprv
;
1253 PAL_CALL_PHYS_STK(iprv
, PAL_MC_ERROR_INJECT
, err_type_info
,
1254 err_struct_info
, err_data_buffer
);
1256 *capabilities
= iprv
.v0
;
1258 *resources
= iprv
.v1
;
1263 ia64_pal_mc_error_inject_virt (u64 err_type_info
, u64 err_struct_info
,
1264 u64 err_data_buffer
, u64
*capabilities
, u64
*resources
)
1266 struct ia64_pal_retval iprv
;
1267 PAL_CALL_STK(iprv
, PAL_MC_ERROR_INJECT
, err_type_info
,
1268 err_struct_info
, err_data_buffer
);
1270 *capabilities
= iprv
.v0
;
1272 *resources
= iprv
.v1
;
1276 /* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot
1277 * attempt to correct any expected machine checks.
1280 ia64_pal_mc_expected (u64 expected
, u64
*previous
)
1282 struct ia64_pal_retval iprv
;
1283 PAL_CALL(iprv
, PAL_MC_EXPECTED
, expected
, 0, 0);
1285 *previous
= iprv
.v0
;
1289 typedef union pal_hw_tracking_u
{
1292 u64 itc
:4, /* Instruction cache tracking */
1293 dct
:4, /* Date cache tracking */
1294 itt
:4, /* Instruction TLB tracking */
1295 ddt
:4, /* Data TLB tracking */
1297 } pal_hw_tracking_s
;
1298 } pal_hw_tracking_u_t
;
1301 * Hardware tracking status.
1304 ia64_pal_mc_hw_tracking (u64
*status
)
1306 struct ia64_pal_retval iprv
;
1307 PAL_CALL(iprv
, PAL_MC_HW_TRACKING
, 0, 0, 0);
1313 /* Register a platform dependent location with PAL to which it can save
1314 * minimal processor state in the event of a machine check or initialization
1318 ia64_pal_mc_register_mem (u64 physical_addr
, u64 size
, u64
*req_size
)
1320 struct ia64_pal_retval iprv
;
1321 PAL_CALL(iprv
, PAL_MC_REGISTER_MEM
, physical_addr
, size
, 0);
1323 *req_size
= iprv
.v0
;
1327 /* Restore minimal architectural processor state, set CMC interrupt if necessary
1328 * and resume execution
1331 ia64_pal_mc_resume (u64 set_cmci
, u64 save_ptr
)
1333 struct ia64_pal_retval iprv
;
1334 PAL_CALL(iprv
, PAL_MC_RESUME
, set_cmci
, save_ptr
, 0);
1338 /* Return the memory attributes implemented by the processor */
1340 ia64_pal_mem_attrib (u64
*mem_attrib
)
1342 struct ia64_pal_retval iprv
;
1343 PAL_CALL(iprv
, PAL_MEM_ATTRIB
, 0, 0, 0);
1345 *mem_attrib
= iprv
.v0
& 0xff;
1349 /* Return the amount of memory needed for second phase of processor
1350 * self-test and the required alignment of memory.
1353 ia64_pal_mem_for_test (u64
*bytes_needed
, u64
*alignment
)
1355 struct ia64_pal_retval iprv
;
1356 PAL_CALL(iprv
, PAL_MEM_FOR_TEST
, 0, 0, 0);
1358 *bytes_needed
= iprv
.v0
;
1360 *alignment
= iprv
.v1
;
1364 typedef union pal_perf_mon_info_u
{
1372 } pal_perf_mon_info_s
;
1373 } pal_perf_mon_info_u_t
;
1375 /* Return the performance monitor information about what can be counted
1376 * and how to configure the monitors to count the desired events.
1379 ia64_pal_perf_mon_info (u64
*pm_buffer
, pal_perf_mon_info_u_t
*pm_info
)
1381 struct ia64_pal_retval iprv
;
1382 PAL_CALL(iprv
, PAL_PERF_MON_INFO
, (unsigned long) pm_buffer
, 0, 0);
1384 pm_info
->ppmi_data
= iprv
.v0
;
1388 /* Specifies the physical address of the processor interrupt block
1389 * and I/O port space.
1392 ia64_pal_platform_addr (u64 type
, u64 physical_addr
)
1394 struct ia64_pal_retval iprv
;
1395 PAL_CALL(iprv
, PAL_PLATFORM_ADDR
, type
, physical_addr
, 0);
1399 /* Set the SAL PMI entrypoint in memory */
1401 ia64_pal_pmi_entrypoint (u64 sal_pmi_entry_addr
)
1403 struct ia64_pal_retval iprv
;
1404 PAL_CALL(iprv
, PAL_PMI_ENTRYPOINT
, sal_pmi_entry_addr
, 0, 0);
1408 struct pal_features_s
;
1409 /* Provide information about configurable processor features */
1411 ia64_pal_proc_get_features (u64
*features_avail
,
1412 u64
*features_status
,
1413 u64
*features_control
,
1416 struct ia64_pal_retval iprv
;
1417 PAL_CALL_PHYS(iprv
, PAL_PROC_GET_FEATURES
, 0, features_set
, 0);
1418 if (iprv
.status
== 0) {
1419 *features_avail
= iprv
.v0
;
1420 *features_status
= iprv
.v1
;
1421 *features_control
= iprv
.v2
;
1426 /* Enable/disable processor dependent features */
1428 ia64_pal_proc_set_features (u64 feature_select
)
1430 struct ia64_pal_retval iprv
;
1431 PAL_CALL_PHYS(iprv
, PAL_PROC_SET_FEATURES
, feature_select
, 0, 0);
1436 * Put everything in a struct so we avoid the global offset table whenever
1439 typedef struct ia64_ptce_info_s
{
1445 /* Return the information required for the architected loop used to purge
1446 * (initialize) the entire TC
1449 ia64_get_ptce (ia64_ptce_info_t
*ptce
)
1451 struct ia64_pal_retval iprv
;
1456 PAL_CALL(iprv
, PAL_PTCE_INFO
, 0, 0, 0);
1457 if (iprv
.status
== 0) {
1458 ptce
->base
= iprv
.v0
;
1459 ptce
->count
[0] = iprv
.v1
>> 32;
1460 ptce
->count
[1] = iprv
.v1
& 0xffffffff;
1461 ptce
->stride
[0] = iprv
.v2
>> 32;
1462 ptce
->stride
[1] = iprv
.v2
& 0xffffffff;
1467 /* Return info about implemented application and control registers. */
1469 ia64_pal_register_info (u64 info_request
, u64
*reg_info_1
, u64
*reg_info_2
)
1471 struct ia64_pal_retval iprv
;
1472 PAL_CALL(iprv
, PAL_REGISTER_INFO
, info_request
, 0, 0);
1474 *reg_info_1
= iprv
.v0
;
1476 *reg_info_2
= iprv
.v1
;
1480 typedef union pal_hints_u
{
1481 unsigned long ph_data
;
1483 unsigned long si
: 1,
1489 /* Return information about the register stack and RSE for this processor
1492 static inline long ia64_pal_rse_info(unsigned long *num_phys_stacked
,
1493 pal_hints_u_t
*hints
)
1495 struct ia64_pal_retval iprv
;
1496 PAL_CALL(iprv
, PAL_RSE_INFO
, 0, 0, 0);
1497 if (num_phys_stacked
)
1498 *num_phys_stacked
= iprv
.v0
;
1500 hints
->ph_data
= iprv
.v1
;
1505 * Set the current hardware resource sharing policy of the processor
1508 ia64_pal_set_hw_policy (u64 policy
)
1510 struct ia64_pal_retval iprv
;
1511 PAL_CALL(iprv
, PAL_SET_HW_POLICY
, policy
, 0, 0);
1515 /* Cause the processor to enter SHUTDOWN state, where prefetching and execution are
1516 * suspended, but cause cache and TLB coherency to be maintained.
1517 * This is usually called in IA-32 mode.
1520 ia64_pal_shutdown (void)
1522 struct ia64_pal_retval iprv
;
1523 PAL_CALL(iprv
, PAL_SHUTDOWN
, 0, 0, 0);
1527 /* Perform the second phase of processor self-test. */
1529 ia64_pal_test_proc (u64 test_addr
, u64 test_size
, u64 attributes
, u64
*self_test_state
)
1531 struct ia64_pal_retval iprv
;
1532 PAL_CALL(iprv
, PAL_TEST_PROC
, test_addr
, test_size
, attributes
);
1533 if (self_test_state
)
1534 *self_test_state
= iprv
.v0
;
1538 typedef union pal_version_u
{
1539 u64 pal_version_val
;
1541 u64 pv_pal_b_rev
: 8;
1542 u64 pv_pal_b_model
: 8;
1543 u64 pv_reserved1
: 8;
1544 u64 pv_pal_vendor
: 8;
1545 u64 pv_pal_a_rev
: 8;
1546 u64 pv_pal_a_model
: 8;
1547 u64 pv_reserved2
: 16;
1553 * Return PAL version information. While the documentation states that
1554 * PAL_VERSION can be called in either physical or virtual mode, some
1555 * implementations only allow physical calls. We don't call it very often,
1556 * so the overhead isn't worth eliminating.
1559 ia64_pal_version (pal_version_u_t
*pal_min_version
, pal_version_u_t
*pal_cur_version
)
1561 struct ia64_pal_retval iprv
;
1562 PAL_CALL_PHYS(iprv
, PAL_VERSION
, 0, 0, 0);
1563 if (pal_min_version
)
1564 pal_min_version
->pal_version_val
= iprv
.v0
;
1566 if (pal_cur_version
)
1567 pal_cur_version
->pal_version_val
= iprv
.v1
;
1572 typedef union pal_tc_info_u
{
1585 #define tc_reduce_tr pal_tc_info_s.reduce_tr
1586 #define tc_unified pal_tc_info_s.unified
1587 #define tc_pf pal_tc_info_s.pf
1588 #define tc_num_entries pal_tc_info_s.num_entries
1589 #define tc_associativity pal_tc_info_s.associativity
1590 #define tc_num_sets pal_tc_info_s.num_sets
1593 /* Return information about the virtual memory characteristics of the processor
1597 ia64_pal_vm_info (u64 tc_level
, u64 tc_type
, pal_tc_info_u_t
*tc_info
, u64
*tc_pages
)
1599 struct ia64_pal_retval iprv
;
1600 PAL_CALL(iprv
, PAL_VM_INFO
, tc_level
, tc_type
, 0);
1602 tc_info
->pti_val
= iprv
.v0
;
1604 *tc_pages
= iprv
.v1
;
1608 /* Get page size information about the virtual memory characteristics of the processor
1611 static inline s64
ia64_pal_vm_page_size(u64
*tr_pages
, u64
*vw_pages
)
1613 struct ia64_pal_retval iprv
;
1614 PAL_CALL(iprv
, PAL_VM_PAGE_SIZE
, 0, 0, 0);
1616 *tr_pages
= iprv
.v0
;
1618 *vw_pages
= iprv
.v1
;
1622 typedef union pal_vm_info_1_u
{
1635 } pal_vm_info_1_u_t
;
1637 #define PAL_MAX_PURGES 0xFFFF /* all ones is means unlimited */
1639 typedef union pal_vm_info_2_u
{
1642 u64 impl_va_msb
: 8,
1647 } pal_vm_info_2_u_t
;
1649 /* Get summary information about the virtual memory characteristics of the processor
1653 ia64_pal_vm_summary (pal_vm_info_1_u_t
*vm_info_1
, pal_vm_info_2_u_t
*vm_info_2
)
1655 struct ia64_pal_retval iprv
;
1656 PAL_CALL(iprv
, PAL_VM_SUMMARY
, 0, 0, 0);
1658 vm_info_1
->pvi1_val
= iprv
.v0
;
1660 vm_info_2
->pvi2_val
= iprv
.v1
;
1664 typedef union pal_vp_info_u
{
1667 u64 index
: 48, /* virtual feature set info */
1668 vmm_id
: 16; /* feature set id */
1673 * Returns information about virtual processor features
1676 ia64_pal_vp_info (u64 feature_set
, u64 vp_buffer
, u64
*vp_info
, u64
*vmm_id
)
1678 struct ia64_pal_retval iprv
;
1679 PAL_CALL(iprv
, PAL_VP_INFO
, feature_set
, vp_buffer
, 0);
1687 typedef union pal_itr_valid_u
{
1690 u64 access_rights_valid
: 1,
1691 priv_level_valid
: 1,
1692 dirty_bit_valid
: 1,
1698 /* Read a translation register */
1700 ia64_pal_tr_read (u64 reg_num
, u64 tr_type
, u64
*tr_buffer
, pal_tr_valid_u_t
*tr_valid
)
1702 struct ia64_pal_retval iprv
;
1703 PAL_CALL_PHYS_STK(iprv
, PAL_VM_TR_READ
, reg_num
, tr_type
,(u64
)ia64_tpa(tr_buffer
));
1705 tr_valid
->piv_val
= iprv
.v0
;
1710 * PAL_PREFETCH_VISIBILITY transaction types
1712 #define PAL_VISIBILITY_VIRTUAL 0
1713 #define PAL_VISIBILITY_PHYSICAL 1
1716 * PAL_PREFETCH_VISIBILITY return codes
1718 #define PAL_VISIBILITY_OK 1
1719 #define PAL_VISIBILITY_OK_REMOTE_NEEDED 0
1720 #define PAL_VISIBILITY_INVAL_ARG -2
1721 #define PAL_VISIBILITY_ERROR -3
1724 ia64_pal_prefetch_visibility (s64 trans_type
)
1726 struct ia64_pal_retval iprv
;
1727 PAL_CALL(iprv
, PAL_PREFETCH_VISIBILITY
, trans_type
, 0, 0);
1731 /* data structure for getting information on logical to physical mappings */
1732 typedef union pal_log_overview_u
{
1734 u64 num_log
:16, /* Total number of logical
1735 * processors on this die
1737 tpc
:8, /* Threads per core */
1738 reserved3
:8, /* Reserved */
1739 cpp
:8, /* Cores per processor */
1740 reserved2
:8, /* Reserved */
1741 ppid
:8, /* Physical processor ID */
1742 reserved1
:8; /* Reserved */
1745 } pal_log_overview_t
;
1747 typedef union pal_proc_n_log_info1_u
{
1749 u64 tid
:16, /* Thread id */
1750 reserved2
:16, /* Reserved */
1751 cid
:16, /* Core id */
1752 reserved1
:16; /* Reserved */
1755 } pal_proc_n_log_info1_t
;
1757 typedef union pal_proc_n_log_info2_u
{
1759 u64 la
:16, /* Logical address */
1760 reserved
:48; /* Reserved */
1763 } pal_proc_n_log_info2_t
;
1765 typedef struct pal_logical_to_physical_s
1767 pal_log_overview_t overview
;
1768 pal_proc_n_log_info1_t ppli1
;
1769 pal_proc_n_log_info2_t ppli2
;
1770 } pal_logical_to_physical_t
;
1772 #define overview_num_log overview.overview_bits.num_log
1773 #define overview_tpc overview.overview_bits.tpc
1774 #define overview_cpp overview.overview_bits.cpp
1775 #define overview_ppid overview.overview_bits.ppid
1776 #define log1_tid ppli1.ppli1_bits.tid
1777 #define log1_cid ppli1.ppli1_bits.cid
1778 #define log2_la ppli2.ppli2_bits.la
1780 /* Get information on logical to physical processor mappings. */
1782 ia64_pal_logical_to_phys(u64 proc_number
, pal_logical_to_physical_t
*mapping
)
1784 struct ia64_pal_retval iprv
;
1786 PAL_CALL(iprv
, PAL_LOGICAL_TO_PHYSICAL
, proc_number
, 0, 0);
1788 if (iprv
.status
== PAL_STATUS_SUCCESS
)
1790 mapping
->overview
.overview_data
= iprv
.v0
;
1791 mapping
->ppli1
.ppli1_data
= iprv
.v1
;
1792 mapping
->ppli2
.ppli2_data
= iprv
.v2
;
1798 typedef struct pal_cache_shared_info_s
1801 pal_proc_n_log_info1_t ppli1
;
1802 pal_proc_n_log_info2_t ppli2
;
1803 } pal_cache_shared_info_t
;
1805 /* Get information on logical to physical processor mappings. */
1807 ia64_pal_cache_shared_info(u64 level
,
1810 pal_cache_shared_info_t
*info
)
1812 struct ia64_pal_retval iprv
;
1814 PAL_CALL(iprv
, PAL_CACHE_SHARED_INFO
, level
, type
, proc_number
);
1816 if (iprv
.status
== PAL_STATUS_SUCCESS
) {
1817 info
->num_shared
= iprv
.v0
;
1818 info
->ppli1
.ppli1_data
= iprv
.v1
;
1819 info
->ppli2
.ppli2_data
= iprv
.v2
;
1824 #endif /* __ASSEMBLY__ */
1826 #endif /* _ASM_IA64_PAL_H */