1
#ifndef _ASM_IA64_SN_SN_SAL_H
2
#define _ASM_IA64_SN_SN_SAL_H
5
* System Abstraction Layer definitions for IA64
7
* This file is subject to the terms and conditions of the GNU General Public
8
* License. See the file "COPYING" in the main directory of this archive
11
* Copyright (c) 2000-2006 Silicon Graphics, Inc. All rights reserved.
16
#include <asm/sn/sn_cpuid.h>
17
#include <asm/sn/arch.h>
18
#include <asm/sn/geo.h>
19
#include <asm/sn/nodepda.h>
20
#include <asm/sn/shub_mmr.h>
23
#define SN_SAL_POD_MODE 0x02000001
24
#define SN_SAL_SYSTEM_RESET 0x02000002
25
#define SN_SAL_PROBE 0x02000003
26
#define SN_SAL_GET_MASTER_NASID 0x02000004
27
#define SN_SAL_GET_KLCONFIG_ADDR 0x02000005
28
#define SN_SAL_LOG_CE 0x02000006
29
#define SN_SAL_REGISTER_CE 0x02000007
30
#define SN_SAL_GET_PARTITION_ADDR 0x02000009
31
#define SN_SAL_XP_ADDR_REGION 0x0200000f
32
#define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010
33
#define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011
34
#define SN_SAL_PRINT_ERROR 0x02000012
35
#define SN_SAL_REGISTER_PMI_HANDLER 0x02000014
36
#define SN_SAL_SET_ERROR_HANDLING_FEATURES 0x0200001a // reentrant
37
#define SN_SAL_GET_FIT_COMPT 0x0200001b // reentrant
38
#define SN_SAL_GET_SAPIC_INFO 0x0200001d
39
#define SN_SAL_GET_SN_INFO 0x0200001e
40
#define SN_SAL_CONSOLE_PUTC 0x02000021
41
#define SN_SAL_CONSOLE_GETC 0x02000022
42
#define SN_SAL_CONSOLE_PUTS 0x02000023
43
#define SN_SAL_CONSOLE_GETS 0x02000024
44
#define SN_SAL_CONSOLE_GETS_TIMEOUT 0x02000025
45
#define SN_SAL_CONSOLE_POLL 0x02000026
46
#define SN_SAL_CONSOLE_INTR 0x02000027
47
#define SN_SAL_CONSOLE_PUTB 0x02000028
48
#define SN_SAL_CONSOLE_XMIT_CHARS 0x0200002a
49
#define SN_SAL_CONSOLE_READC 0x0200002b
50
#define SN_SAL_SYSCTL_OP 0x02000030
51
#define SN_SAL_SYSCTL_MODID_GET 0x02000031
52
#define SN_SAL_SYSCTL_GET 0x02000032
53
#define SN_SAL_SYSCTL_IOBRICK_MODULE_GET 0x02000033
54
#define SN_SAL_SYSCTL_IO_PORTSPEED_GET 0x02000035
55
#define SN_SAL_SYSCTL_SLAB_GET 0x02000036
56
#define SN_SAL_BUS_CONFIG 0x02000037
57
#define SN_SAL_SYS_SERIAL_GET 0x02000038
58
#define SN_SAL_PARTITION_SERIAL_GET 0x02000039
59
#define SN_SAL_SYSCTL_PARTITION_GET 0x0200003a
60
#define SN_SAL_SYSTEM_POWER_DOWN 0x0200003b
61
#define SN_SAL_GET_MASTER_BASEIO_NASID 0x0200003c
62
#define SN_SAL_COHERENCE 0x0200003d
63
#define SN_SAL_MEMPROTECT 0x0200003e
64
#define SN_SAL_SYSCTL_FRU_CAPTURE 0x0200003f
66
#define SN_SAL_SYSCTL_IOBRICK_PCI_OP 0x02000042 // reentrant
67
#define SN_SAL_IROUTER_OP 0x02000043
68
#define SN_SAL_SYSCTL_EVENT 0x02000044
69
#define SN_SAL_IOIF_INTERRUPT 0x0200004a
70
#define SN_SAL_HWPERF_OP 0x02000050 // lock
71
#define SN_SAL_IOIF_ERROR_INTERRUPT 0x02000051
72
#define SN_SAL_IOIF_PCI_SAFE 0x02000052
73
#define SN_SAL_IOIF_SLOT_ENABLE 0x02000053
74
#define SN_SAL_IOIF_SLOT_DISABLE 0x02000054
75
#define SN_SAL_IOIF_GET_HUBDEV_INFO 0x02000055
76
#define SN_SAL_IOIF_GET_PCIBUS_INFO 0x02000056
77
#define SN_SAL_IOIF_GET_PCIDEV_INFO 0x02000057
78
#define SN_SAL_IOIF_GET_WIDGET_DMAFLUSH_LIST 0x02000058 // deprecated
79
#define SN_SAL_IOIF_GET_DEVICE_DMAFLUSH_LIST 0x0200005a
81
#define SN_SAL_IOIF_INIT 0x0200005f
82
#define SN_SAL_HUB_ERROR_INTERRUPT 0x02000060
83
#define SN_SAL_BTE_RECOVER 0x02000061
84
#define SN_SAL_RESERVED_DO_NOT_USE 0x02000062
85
#define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064
87
#define SN_SAL_GET_PROM_FEATURE_SET 0x02000065
88
#define SN_SAL_SET_OS_FEATURE_SET 0x02000066
89
#define SN_SAL_INJECT_ERROR 0x02000067
90
#define SN_SAL_SET_CPU_NUMBER 0x02000068
92
#define SN_SAL_KERNEL_LAUNCH_EVENT 0x02000069
93
#define SN_SAL_WATCHLIST_ALLOC 0x02000070
94
#define SN_SAL_WATCHLIST_FREE 0x02000071
97
* Service-specific constants
100
/* Console interrupt manipulation */
102
#define SAL_CONSOLE_INTR_OFF 0 /* turn the interrupt off */
103
#define SAL_CONSOLE_INTR_ON 1 /* turn the interrupt on */
104
#define SAL_CONSOLE_INTR_STATUS 2 /* retrieve the interrupt status */
105
/* interrupt specification & status return codes */
106
#define SAL_CONSOLE_INTR_XMIT 1 /* output interrupt */
107
#define SAL_CONSOLE_INTR_RECV 2 /* input interrupt */
109
/* interrupt handling */
110
#define SAL_INTR_ALLOC 1
111
#define SAL_INTR_FREE 2
112
#define SAL_INTR_REDIRECT 3
115
* operations available on the generic SN_SAL_SYSCTL_OP
118
#define SAL_SYSCTL_OP_IOBOARD 0x0001 /* retrieve board type */
119
#define SAL_SYSCTL_OP_TIO_JLCK_RST 0x0002 /* issue TIO clock reset */
122
* IRouter (i.e. generalized system controller) operations
124
#define SAL_IROUTER_OPEN 0 /* open a subchannel */
125
#define SAL_IROUTER_CLOSE 1 /* close a subchannel */
126
#define SAL_IROUTER_SEND 2 /* send part of an IRouter packet */
127
#define SAL_IROUTER_RECV 3 /* receive part of an IRouter packet */
128
#define SAL_IROUTER_INTR_STATUS 4 /* check the interrupt status for
131
#define SAL_IROUTER_INTR_ON 5 /* enable an interrupt */
132
#define SAL_IROUTER_INTR_OFF 6 /* disable an interrupt */
133
#define SAL_IROUTER_INIT 7 /* initialize IRouter driver */
135
/* IRouter interrupt mask bits */
136
#define SAL_IROUTER_INTR_XMIT SAL_CONSOLE_INTR_XMIT
137
#define SAL_IROUTER_INTR_RECV SAL_CONSOLE_INTR_RECV
140
* Error Handling Features
142
#define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1 // obsolete
143
#define SAL_ERR_FEAT_LOG_SBES 0x2 // obsolete
144
#define SAL_ERR_FEAT_MFR_OVERRIDE 0x4
145
#define SAL_ERR_FEAT_SBE_THRESHOLD 0xffff0000
150
#define SALRET_MORE_PASSES 1
152
#define SALRET_NOT_IMPLEMENTED (-1)
153
#define SALRET_INVALID_ARG (-2)
154
#define SALRET_ERROR (-3)
156
#define SN_SAL_FAKE_PROM 0x02009999
159
* sn_sal_revision - get the SGI SAL revision number
161
* The SGI PROM stores its version in the sal_[ab]_rev_(major|minor).
162
* This routine simply extracts the major and minor values and
163
* presents them in a u32 format.
165
* For example, version 4.05 would be represented at 0x0405.
170
struct ia64_sal_systab *systab = __va(efi.sal_systab);
172
return (u32)(systab->sal_b_rev_major << 8 | systab->sal_b_rev_minor);
176
* Returns the master console nasid, if the call fails, return an illegal
180
ia64_sn_get_console_nasid(void)
182
struct ia64_sal_retval ret_stuff;
184
ret_stuff.status = 0;
188
SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_NASID, 0, 0, 0, 0, 0, 0, 0);
190
if (ret_stuff.status < 0)
191
return ret_stuff.status;
193
/* Master console nasid is in 'v0' */
198
* Returns the master baseio nasid, if the call fails, return an illegal
202
ia64_sn_get_master_baseio_nasid(void)
204
struct ia64_sal_retval ret_stuff;
206
ret_stuff.status = 0;
210
SAL_CALL(ret_stuff, SN_SAL_GET_MASTER_BASEIO_NASID, 0, 0, 0, 0, 0, 0, 0);
212
if (ret_stuff.status < 0)
213
return ret_stuff.status;
215
/* Master baseio nasid is in 'v0' */
220
ia64_sn_get_klconfig_addr(nasid_t nasid)
222
struct ia64_sal_retval ret_stuff;
224
ret_stuff.status = 0;
228
SAL_CALL(ret_stuff, SN_SAL_GET_KLCONFIG_ADDR, (u64)nasid, 0, 0, 0, 0, 0, 0);
229
return ret_stuff.v0 ? __va(ret_stuff.v0) : NULL;
233
* Returns the next console character.
236
ia64_sn_console_getc(int *ch)
238
struct ia64_sal_retval ret_stuff;
240
ret_stuff.status = 0;
244
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_GETC, 0, 0, 0, 0, 0, 0, 0);
246
/* character is in 'v0' */
247
*ch = (int)ret_stuff.v0;
249
return ret_stuff.status;
253
* Read a character from the SAL console device, after a previous interrupt
254
* or poll operation has given us to know that a character is available
258
ia64_sn_console_readc(void)
260
struct ia64_sal_retval ret_stuff;
262
ret_stuff.status = 0;
266
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_READC, 0, 0, 0, 0, 0, 0, 0);
268
/* character is in 'v0' */
273
* Sends the given character to the console.
276
ia64_sn_console_putc(char ch)
278
struct ia64_sal_retval ret_stuff;
280
ret_stuff.status = 0;
284
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTC, (u64)ch, 0, 0, 0, 0, 0, 0);
286
return ret_stuff.status;
290
* Sends the given buffer to the console.
293
ia64_sn_console_putb(const char *buf, int len)
295
struct ia64_sal_retval ret_stuff;
297
ret_stuff.status = 0;
301
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_PUTB, (u64)buf, (u64)len, 0, 0, 0, 0, 0);
303
if ( ret_stuff.status == 0 ) {
310
* Print a platform error record
313
ia64_sn_plat_specific_err_print(int (*hook)(const char*, ...), char *rec)
315
struct ia64_sal_retval ret_stuff;
317
ret_stuff.status = 0;
321
SAL_CALL_REENTRANT(ret_stuff, SN_SAL_PRINT_ERROR, (u64)hook, (u64)rec, 0, 0, 0, 0, 0);
323
return ret_stuff.status;
327
* Check for Platform errors
330
ia64_sn_plat_cpei_handler(void)
332
struct ia64_sal_retval ret_stuff;
334
ret_stuff.status = 0;
338
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_LOG_CE, 0, 0, 0, 0, 0, 0, 0);
340
return ret_stuff.status;
344
* Set Error Handling Features (Obsolete)
347
ia64_sn_plat_set_error_handling_features(void)
349
struct ia64_sal_retval ret_stuff;
351
ret_stuff.status = 0;
355
SAL_CALL_REENTRANT(ret_stuff, SN_SAL_SET_ERROR_HANDLING_FEATURES,
356
SAL_ERR_FEAT_LOG_SBES,
359
return ret_stuff.status;
363
* Checks for console input.
366
ia64_sn_console_check(int *result)
368
struct ia64_sal_retval ret_stuff;
370
ret_stuff.status = 0;
374
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_POLL, 0, 0, 0, 0, 0, 0, 0);
376
/* result is in 'v0' */
377
*result = (int)ret_stuff.v0;
379
return ret_stuff.status;
383
* Checks console interrupt status
386
ia64_sn_console_intr_status(void)
388
struct ia64_sal_retval ret_stuff;
390
ret_stuff.status = 0;
394
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR,
395
0, SAL_CONSOLE_INTR_STATUS,
398
if (ret_stuff.status == 0) {
406
* Enable an interrupt on the SAL console device.
409
ia64_sn_console_intr_enable(u64 intr)
411
struct ia64_sal_retval ret_stuff;
413
ret_stuff.status = 0;
417
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR,
418
intr, SAL_CONSOLE_INTR_ON,
423
* Disable an interrupt on the SAL console device.
426
ia64_sn_console_intr_disable(u64 intr)
428
struct ia64_sal_retval ret_stuff;
430
ret_stuff.status = 0;
434
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_INTR,
435
intr, SAL_CONSOLE_INTR_OFF,
440
* Sends a character buffer to the console asynchronously.
443
ia64_sn_console_xmit_chars(char *buf, int len)
445
struct ia64_sal_retval ret_stuff;
447
ret_stuff.status = 0;
451
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_CONSOLE_XMIT_CHARS,
455
if (ret_stuff.status == 0) {
463
* Returns the iobrick module Id
466
ia64_sn_sysctl_iobrick_module_get(nasid_t nasid, int *result)
468
struct ia64_sal_retval ret_stuff;
470
ret_stuff.status = 0;
474
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYSCTL_IOBRICK_MODULE_GET, nasid, 0, 0, 0, 0, 0, 0);
476
/* result is in 'v0' */
477
*result = (int)ret_stuff.v0;
479
return ret_stuff.status;
483
* ia64_sn_pod_mode - call the SN_SAL_POD_MODE function
485
* SN_SAL_POD_MODE actually takes an argument, but it's always
486
* 0 when we call it from the kernel, so we don't have to expose
490
ia64_sn_pod_mode(void)
492
struct ia64_sal_retval isrv;
493
SAL_CALL_REENTRANT(isrv, SN_SAL_POD_MODE, 0, 0, 0, 0, 0, 0, 0);
500
* ia64_sn_probe_mem - read from memory safely
501
* @addr: address to probe
502
* @size: number bytes to read (1,2,4,8)
503
* @data_ptr: address to store value read by probe (-1 returned if probe fails)
505
* Call into the SAL to do a memory read. If the read generates a machine
506
* check, this routine will recover gracefully and return -1 to the caller.
507
* @addr is usually a kernel virtual address in uncached space (i.e. the
508
* address starts with 0xc), but if called in physical mode, @addr should
509
* be a physical address.
512
* 0 - probe successful
513
* 1 - probe failed (generated MCA)
518
ia64_sn_probe_mem(long addr, long size, void *data_ptr)
520
struct ia64_sal_retval isrv;
522
SAL_CALL(isrv, SN_SAL_PROBE, addr, size, 0, 0, 0, 0, 0);
527
*((u8*)data_ptr) = (u8)isrv.v0;
530
*((u16*)data_ptr) = (u16)isrv.v0;
533
*((u32*)data_ptr) = (u32)isrv.v0;
536
*((u64*)data_ptr) = (u64)isrv.v0;
546
* Retrieve the system serial number as an ASCII string.
549
ia64_sn_sys_serial_get(char *buf)
551
struct ia64_sal_retval ret_stuff;
552
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_SYS_SERIAL_GET, buf, 0, 0, 0, 0, 0, 0);
553
return ret_stuff.status;
556
extern char sn_system_serial_number_string[];
557
extern u64 sn_partition_serial_number;
560
sn_system_serial_number(void) {
561
if (sn_system_serial_number_string[0]) {
562
return(sn_system_serial_number_string);
564
ia64_sn_sys_serial_get(sn_system_serial_number_string);
565
return(sn_system_serial_number_string);
571
* Returns a unique id number for this system and partition (suitable for
572
* use with license managers), based in part on the system serial number.
575
ia64_sn_partition_serial_get(void)
577
struct ia64_sal_retval ret_stuff;
578
ia64_sal_oemcall_reentrant(&ret_stuff, SN_SAL_PARTITION_SERIAL_GET, 0,
580
if (ret_stuff.status != 0)
586
sn_partition_serial_number_val(void) {
587
if (unlikely(sn_partition_serial_number == 0)) {
588
sn_partition_serial_number = ia64_sn_partition_serial_get();
590
return sn_partition_serial_number;
594
* Returns the partition id of the nasid passed in as an argument,
595
* or INVALID_PARTID if the partition id cannot be retrieved.
597
static inline partid_t
598
ia64_sn_sysctl_partition_get(nasid_t nasid)
600
struct ia64_sal_retval ret_stuff;
601
SAL_CALL(ret_stuff, SN_SAL_SYSCTL_PARTITION_GET, nasid,
603
if (ret_stuff.status != 0)
605
return ((partid_t)ret_stuff.v0);
609
* Returns the physical address of the partition's reserved page through
610
* an iterative number of calls.
612
* On first call, 'cookie' and 'len' should be set to 0, and 'addr'
613
* set to the nasid of the partition whose reserved page's address is
615
* On subsequent calls, pass the values, that were passed back on the
618
* While the return status equals SALRET_MORE_PASSES, keep calling
619
* this function after first copying 'len' bytes starting at 'addr'
620
* into 'buf'. Once the return status equals SALRET_OK, 'addr' will
621
* be the physical address of the partition's reserved page. If the
622
* return status equals neither of these, an error as occurred.
625
sn_partition_reserved_page_pa(u64 buf, u64 *cookie, u64 *addr, u64 *len)
627
struct ia64_sal_retval rv;
628
ia64_sal_oemcall_reentrant(&rv, SN_SAL_GET_PARTITION_ADDR, *cookie,
629
*addr, buf, *len, 0, 0, 0);
637
* Register or unregister a physical address range being referenced across
638
* a partition boundary for which certain SAL errors should be scanned for,
639
* cleaned up and ignored. This is of value for kernel partitioning code only.
640
* Values for the operation argument:
641
* 1 = register this address range with SAL
642
* 0 = unregister this address range with SAL
644
* SAL maintains a reference count on an address range in case it is registered
647
* On success, returns the reference count of the address range after the SAL
648
* call has performed the current registration/unregistration. Returns a
649
* negative value if an error occurred.
652
sn_register_xp_addr_region(u64 paddr, u64 len, int operation)
654
struct ia64_sal_retval ret_stuff;
655
ia64_sal_oemcall(&ret_stuff, SN_SAL_XP_ADDR_REGION, paddr, len,
656
(u64)operation, 0, 0, 0, 0);
657
return ret_stuff.status;
661
* Register or unregister an instruction range for which SAL errors should
662
* be ignored. If an error occurs while in the registered range, SAL jumps
663
* to return_addr after ignoring the error. Values for the operation argument:
664
* 1 = register this instruction range with SAL
665
* 0 = unregister this instruction range with SAL
667
* Returns 0 on success, or a negative value if an error occurred.
670
sn_register_nofault_code(u64 start_addr, u64 end_addr, u64 return_addr,
671
int virtual, int operation)
673
struct ia64_sal_retval ret_stuff;
676
call = SN_SAL_NO_FAULT_ZONE_VIRTUAL;
678
call = SN_SAL_NO_FAULT_ZONE_PHYSICAL;
680
ia64_sal_oemcall(&ret_stuff, call, start_addr, end_addr, return_addr,
682
return ret_stuff.status;
686
* Register or unregister a function to handle a PMI received by a CPU.
687
* Before calling the registered handler, SAL sets r1 to the value that
688
* was passed in as the global_pointer.
690
* If the handler pointer is NULL, then the currently registered handler
691
* will be unregistered.
693
* Returns 0 on success, or a negative value if an error occurred.
696
sn_register_pmi_handler(u64 handler, u64 global_pointer)
698
struct ia64_sal_retval ret_stuff;
699
ia64_sal_oemcall(&ret_stuff, SN_SAL_REGISTER_PMI_HANDLER, handler,
700
global_pointer, 0, 0, 0, 0, 0);
701
return ret_stuff.status;
705
* Change or query the coherence domain for this partition. Each cpu-based
706
* nasid is represented by a bit in an array of 64-bit words:
707
* 0 = not in this partition's coherency domain
708
* 1 = in this partition's coherency domain
710
* It is not possible for the local system's nasids to be removed from
711
* the coherency domain. Purpose of the domain arguments:
712
* new_domain = set the coherence domain to the given nasids
713
* old_domain = return the current coherence domain
715
* Returns 0 on success, or a negative value if an error occurred.
718
sn_change_coherence(u64 *new_domain, u64 *old_domain)
720
struct ia64_sal_retval ret_stuff;
721
ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_COHERENCE, (u64)new_domain,
722
(u64)old_domain, 0, 0, 0, 0, 0);
723
return ret_stuff.status;
727
* Change memory access protections for a physical address range.
728
* nasid_array is not used on Altix, but may be in future architectures.
729
* Available memory protection access classes are defined after the function.
732
sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
734
struct ia64_sal_retval ret_stuff;
736
ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
737
(u64)nasid_array, perms, 0, 0, 0);
738
return ret_stuff.status;
740
#define SN_MEMPROT_ACCESS_CLASS_0 0x14a080
741
#define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2
742
#define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca
743
#define SN_MEMPROT_ACCESS_CLASS_3 0x14a290
744
#define SN_MEMPROT_ACCESS_CLASS_6 0x084080
745
#define SN_MEMPROT_ACCESS_CLASS_7 0x021080
748
* Turns off system power.
751
ia64_sn_power_down(void)
753
struct ia64_sal_retval ret_stuff;
754
SAL_CALL(ret_stuff, SN_SAL_SYSTEM_POWER_DOWN, 0, 0, 0, 0, 0, 0, 0);
761
* ia64_sn_fru_capture - tell the system controller to capture hw state
763
* This routine will call the SAL which will tell the system controller(s)
764
* to capture hw mmr information from each SHub in the system.
767
ia64_sn_fru_capture(void)
769
struct ia64_sal_retval isrv;
770
SAL_CALL(isrv, SN_SAL_SYSCTL_FRU_CAPTURE, 0, 0, 0, 0, 0, 0, 0);
777
* Performs an operation on a PCI bus or slot -- power up, power down
781
ia64_sn_sysctl_iobrick_pci_op(nasid_t n, u64 connection_type,
785
struct ia64_sal_retval rv = {0, 0, 0, 0};
787
SAL_CALL_NOLOCK(rv, SN_SAL_SYSCTL_IOBRICK_PCI_OP, connection_type, n, action,
788
bus, (u64) slot, 0, 0);
796
* Open a subchannel for sending arbitrary data to the system
797
* controller network via the system controller device associated with
798
* 'nasid'. Return the subchannel number or a negative error code.
801
ia64_sn_irtr_open(nasid_t nasid)
803
struct ia64_sal_retval rv;
804
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_OPEN, nasid,
810
* Close system controller subchannel 'subch' previously opened on 'nasid'.
813
ia64_sn_irtr_close(nasid_t nasid, int subch)
815
struct ia64_sal_retval rv;
816
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_CLOSE,
817
(u64) nasid, (u64) subch, 0, 0, 0, 0);
818
return (int) rv.status;
822
* Read data from system controller associated with 'nasid' on
823
* subchannel 'subch'. The buffer to be filled is pointed to by
824
* 'buf', and its capacity is in the integer pointed to by 'len'. The
825
* referent of 'len' is set to the number of bytes read by the SAL
826
* call. The return value is either SALRET_OK (for bytes read) or
827
* SALRET_ERROR (for error or "no data available").
830
ia64_sn_irtr_recv(nasid_t nasid, int subch, char *buf, int *len)
832
struct ia64_sal_retval rv;
833
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_RECV,
834
(u64) nasid, (u64) subch, (u64) buf, (u64) len,
836
return (int) rv.status;
840
* Write data to the system controller network via the system
841
* controller associated with 'nasid' on suchannel 'subch'. The
842
* buffer to be written out is pointed to by 'buf', and 'len' is the
843
* number of bytes to be written. The return value is either the
844
* number of bytes written (which could be zero) or a negative error
848
ia64_sn_irtr_send(nasid_t nasid, int subch, char *buf, int len)
850
struct ia64_sal_retval rv;
851
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_SEND,
852
(u64) nasid, (u64) subch, (u64) buf, (u64) len,
858
* Check whether any interrupts are pending for the system controller
859
* associated with 'nasid' and its subchannel 'subch'. The return
860
* value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or
861
* SAL_IROUTER_INTR_RECV).
864
ia64_sn_irtr_intr(nasid_t nasid, int subch)
866
struct ia64_sal_retval rv;
867
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_STATUS,
868
(u64) nasid, (u64) subch, 0, 0, 0, 0);
873
* Enable the interrupt indicated by the intr parameter (either
874
* SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
877
ia64_sn_irtr_intr_enable(nasid_t nasid, int subch, u64 intr)
879
struct ia64_sal_retval rv;
880
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_ON,
881
(u64) nasid, (u64) subch, intr, 0, 0, 0);
886
* Disable the interrupt indicated by the intr parameter (either
887
* SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
890
ia64_sn_irtr_intr_disable(nasid_t nasid, int subch, u64 intr)
892
struct ia64_sal_retval rv;
893
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INTR_OFF,
894
(u64) nasid, (u64) subch, intr, 0, 0, 0);
899
* Set up a node as the point of contact for system controller
900
* environmental event delivery.
903
ia64_sn_sysctl_event_init(nasid_t nasid)
905
struct ia64_sal_retval rv;
906
SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_EVENT, (u64) nasid,
912
* Ask the system controller on the specified nasid to reset
913
* the CX corelet clock. Only valid on TIO nodes.
916
ia64_sn_sysctl_tio_clock_reset(nasid_t nasid)
918
struct ia64_sal_retval rv;
919
SAL_CALL_REENTRANT(rv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_TIO_JLCK_RST,
920
nasid, 0, 0, 0, 0, 0);
922
return (int)rv.status;
930
* Get the associated ioboard type for a given nasid.
933
ia64_sn_sysctl_ioboard_get(nasid_t nasid, u16 *ioboard)
935
struct ia64_sal_retval isrv;
936
SAL_CALL_REENTRANT(isrv, SN_SAL_SYSCTL_OP, SAL_SYSCTL_OP_IOBOARD,
937
nasid, 0, 0, 0, 0, 0);
951
* ia64_sn_get_fit_compt - read a FIT entry from the PROM header
952
* @nasid: NASID of node to read
953
* @index: FIT entry index to be retrieved (0..n)
954
* @fitentry: 16 byte buffer where FIT entry will be stored.
955
* @banbuf: optional buffer for retrieving banner
956
* @banlen: length of banner buffer
958
* Access to the physical PROM chips needs to be serialized since reads and
959
* writes can't occur at the same time, so we need to call into the SAL when
960
* we want to look at the FIT entries on the chips.
964
* %SALRET_INVALID_ARG if index too big
965
* %SALRET_NOT_IMPLEMENTED if running on older PROM
966
* ??? if nasid invalid OR banner buffer not large enough
969
ia64_sn_get_fit_compt(u64 nasid, u64 index, void *fitentry, void *banbuf,
972
struct ia64_sal_retval rv;
973
SAL_CALL_NOLOCK(rv, SN_SAL_GET_FIT_COMPT, nasid, index, fitentry,
974
banbuf, banlen, 0, 0);
975
return (int) rv.status;
979
* Initialize the SAL components of the system controller
980
* communication driver; specifically pass in a sizable buffer that
981
* can be used for allocation of subchannel queues as new subchannels
982
* are opened. "buf" points to the buffer, and "len" specifies its
986
ia64_sn_irtr_init(nasid_t nasid, void *buf, int len)
988
struct ia64_sal_retval rv;
989
SAL_CALL_REENTRANT(rv, SN_SAL_IROUTER_OP, SAL_IROUTER_INIT,
990
(u64) nasid, (u64) buf, (u64) len, 0, 0, 0);
991
return (int) rv.status;
995
* Returns the nasid, subnode & slice corresponding to a SAPIC ID
998
* arg0 - SN_SAL_GET_SAPIC_INFO
999
* arg1 - sapicid (lid >> 16)
1006
ia64_sn_get_sapic_info(int sapicid, int *nasid, int *subnode, int *slice)
1008
struct ia64_sal_retval ret_stuff;
1010
ret_stuff.status = 0;
1014
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SAPIC_INFO, sapicid, 0, 0, 0, 0, 0, 0);
1016
/***** BEGIN HACK - temp til old proms no longer supported ********/
1017
if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
1018
if (nasid) *nasid = sapicid & 0xfff;
1019
if (subnode) *subnode = (sapicid >> 13) & 1;
1020
if (slice) *slice = (sapicid >> 12) & 3;
1023
/***** END HACK *******/
1025
if (ret_stuff.status < 0)
1026
return ret_stuff.status;
1028
if (nasid) *nasid = (int) ret_stuff.v0;
1029
if (subnode) *subnode = (int) ret_stuff.v1;
1030
if (slice) *slice = (int) ret_stuff.v2;
1035
* Returns information about the HUB/SHUB.
1037
* arg0 - SN_SAL_GET_SN_INFO
1038
* arg1 - 0 (other values reserved for future use)
1041
* [7:0] - shub type (0=shub1, 1=shub2)
1042
* [15:8] - Log2 max number of nodes in entire system (includes
1043
* C-bricks, I-bricks, etc)
1044
* [23:16] - Log2 of nodes per sharing domain
1045
* [31:24] - partition ID
1046
* [39:32] - coherency_id
1047
* [47:40] - regionsize
1049
* [15:0] - nasid mask (ex., 0x7ff for 11 bit nasid)
1050
* [23:15] - bit position of low nasid bit
1053
ia64_sn_get_sn_info(int fc, u8 *shubtype, u16 *nasid_bitmask, u8 *nasid_shift,
1054
u8 *systemsize, u8 *sharing_domain_size, u8 *partid, u8 *coher, u8 *reg)
1056
struct ia64_sal_retval ret_stuff;
1058
ret_stuff.status = 0;
1062
SAL_CALL_NOLOCK(ret_stuff, SN_SAL_GET_SN_INFO, fc, 0, 0, 0, 0, 0, 0);
1064
/***** BEGIN HACK - temp til old proms no longer supported ********/
1065
if (ret_stuff.status == SALRET_NOT_IMPLEMENTED) {
1066
int nasid = get_sapicid() & 0xfff;
1067
#define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
1068
#define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
1069
if (shubtype) *shubtype = 0;
1070
if (nasid_bitmask) *nasid_bitmask = 0x7ff;
1071
if (nasid_shift) *nasid_shift = 38;
1072
if (systemsize) *systemsize = 10;
1073
if (sharing_domain_size) *sharing_domain_size = 8;
1074
if (partid) *partid = ia64_sn_sysctl_partition_get(nasid);
1075
if (coher) *coher = nasid >> 9;
1076
if (reg) *reg = (HUB_L((u64 *) LOCAL_MMR_ADDR(SH1_SHUB_ID)) & SH_SHUB_ID_NODES_PER_BIT_MASK) >>
1077
SH_SHUB_ID_NODES_PER_BIT_SHFT;
1080
/***** END HACK *******/
1082
if (ret_stuff.status < 0)
1083
return ret_stuff.status;
1085
if (shubtype) *shubtype = ret_stuff.v0 & 0xff;
1086
if (systemsize) *systemsize = (ret_stuff.v0 >> 8) & 0xff;
1087
if (sharing_domain_size) *sharing_domain_size = (ret_stuff.v0 >> 16) & 0xff;
1088
if (partid) *partid = (ret_stuff.v0 >> 24) & 0xff;
1089
if (coher) *coher = (ret_stuff.v0 >> 32) & 0xff;
1090
if (reg) *reg = (ret_stuff.v0 >> 40) & 0xff;
1091
if (nasid_bitmask) *nasid_bitmask = (ret_stuff.v1 & 0xffff);
1092
if (nasid_shift) *nasid_shift = (ret_stuff.v1 >> 16) & 0xff;
1097
* This is the access point to the Altix PROM hardware performance
1098
* and status monitoring interface. For info on using this, see
1099
* arch/ia64/include/asm/sn/sn2/sn_hwperf.h
1102
ia64_sn_hwperf_op(nasid_t nasid, u64 opcode, u64 a0, u64 a1, u64 a2,
1103
u64 a3, u64 a4, int *v0)
1105
struct ia64_sal_retval rv;
1106
SAL_CALL_NOLOCK(rv, SN_SAL_HWPERF_OP, (u64)nasid,
1107
opcode, a0, a1, a2, a3, a4);
1110
return (int) rv.status;
1114
ia64_sn_ioif_get_pci_topology(u64 buf, u64 len)
1116
struct ia64_sal_retval rv;
1117
SAL_CALL_NOLOCK(rv, SN_SAL_IOIF_GET_PCI_TOPOLOGY, buf, len, 0, 0, 0, 0, 0);
1118
return (int) rv.status;
1122
* BTE error recovery is implemented in SAL
1125
ia64_sn_bte_recovery(nasid_t nasid)
1127
struct ia64_sal_retval rv;
1130
SAL_CALL_NOLOCK(rv, SN_SAL_BTE_RECOVER, (u64)nasid, 0, 0, 0, 0, 0, 0);
1131
if (rv.status == SALRET_NOT_IMPLEMENTED)
1133
return (int) rv.status;
1137
ia64_sn_is_fake_prom(void)
1139
struct ia64_sal_retval rv;
1140
SAL_CALL_NOLOCK(rv, SN_SAL_FAKE_PROM, 0, 0, 0, 0, 0, 0, 0);
1141
return (rv.status == 0);
1145
ia64_sn_get_prom_feature_set(int set, unsigned long *feature_set)
1147
struct ia64_sal_retval rv;
1149
SAL_CALL_NOLOCK(rv, SN_SAL_GET_PROM_FEATURE_SET, set, 0, 0, 0, 0, 0, 0);
1152
*feature_set = rv.v0;
1157
ia64_sn_set_os_feature(int feature)
1159
struct ia64_sal_retval rv;
1161
SAL_CALL_NOLOCK(rv, SN_SAL_SET_OS_FEATURE_SET, feature, 0, 0, 0, 0, 0, 0);
1166
sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
1168
struct ia64_sal_retval ret_stuff;
1170
ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
1171
(u64)ecc, 0, 0, 0, 0);
1172
return ret_stuff.status;
1176
ia64_sn_set_cpu_number(int cpu)
1178
struct ia64_sal_retval rv;
1180
SAL_CALL_NOLOCK(rv, SN_SAL_SET_CPU_NUMBER, cpu, 0, 0, 0, 0, 0, 0);
1184
ia64_sn_kernel_launch_event(void)
1186
struct ia64_sal_retval rv;
1187
SAL_CALL_NOLOCK(rv, SN_SAL_KERNEL_LAUNCH_EVENT, 0, 0, 0, 0, 0, 0, 0);
1191
union sn_watchlist_u {
1201
sn_mq_watchlist_alloc(int blade, void *mq, unsigned int mq_size,
1202
unsigned long *intr_mmr_offset)
1204
struct ia64_sal_retval rv;
1206
union sn_watchlist_u size_blade;
1209
addr = (unsigned long)mq;
1210
size_blade.size = mq_size;
1211
size_blade.blade = blade;
1214
* bios returns watchlist number or negative error number.
1216
ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_ALLOC, addr,
1217
size_blade.val, (u64)intr_mmr_offset,
1218
(u64)&watchlist, 0, 0, 0);
1226
sn_mq_watchlist_free(int blade, int watchlist_num)
1228
struct ia64_sal_retval rv;
1229
ia64_sal_oemcall_nolock(&rv, SN_SAL_WATCHLIST_FREE, blade,
1230
watchlist_num, 0, 0, 0, 0, 0);
1233
#endif /* _ASM_IA64_SN_SN_SAL_H */