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) 2000-2005 Silicon Graphics, Inc. All rights reserved.
15 #include <linux/config.h>
17 #include <asm/sn/sn_cpuid.h>
18 #include <asm/sn/arch.h>
19 #include <asm/sn/geo.h>
20 #include <asm/sn/nodepda.h>
21 #include <asm/sn/shub_mmr.h>
24 #define SN_SAL_POD_MODE 0x02000001
25 #define SN_SAL_SYSTEM_RESET 0x02000002
26 #define SN_SAL_PROBE 0x02000003
27 #define SN_SAL_GET_MASTER_NASID 0x02000004
28 #define SN_SAL_GET_KLCONFIG_ADDR 0x02000005
29 #define SN_SAL_LOG_CE 0x02000006
30 #define SN_SAL_REGISTER_CE 0x02000007
31 #define SN_SAL_GET_PARTITION_ADDR 0x02000009
32 #define SN_SAL_XP_ADDR_REGION 0x0200000f
33 #define SN_SAL_NO_FAULT_ZONE_VIRTUAL 0x02000010
34 #define SN_SAL_NO_FAULT_ZONE_PHYSICAL 0x02000011
35 #define SN_SAL_PRINT_ERROR 0x02000012
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_HUB_ERROR_INTERRUPT 0x02000060
82 #define SN_SAL_BTE_RECOVER 0x02000061
83 #define SN_SAL_RESERVED_DO_NOT_USE 0x02000062
84 #define SN_SAL_IOIF_GET_PCI_TOPOLOGY 0x02000064
86 #define SN_SAL_GET_PROM_FEATURE_SET 0x02000065
87 #define SN_SAL_SET_OS_FEATURE_SET 0x02000066
90 * Service-specific constants
93 /* Console interrupt manipulation */
95 #define SAL_CONSOLE_INTR_OFF 0 /* turn the interrupt off */
96 #define SAL_CONSOLE_INTR_ON 1 /* turn the interrupt on */
97 #define SAL_CONSOLE_INTR_STATUS 2 /* retrieve the interrupt status */
98 /* interrupt specification & status return codes */
99 #define SAL_CONSOLE_INTR_XMIT 1 /* output interrupt */
100 #define SAL_CONSOLE_INTR_RECV 2 /* input interrupt */
102 /* interrupt handling */
103 #define SAL_INTR_ALLOC 1
104 #define SAL_INTR_FREE 2
107 * operations available on the generic SN_SAL_SYSCTL_OP
110 #define SAL_SYSCTL_OP_IOBOARD 0x0001 /* retrieve board type */
111 #define SAL_SYSCTL_OP_TIO_JLCK_RST 0x0002 /* issue TIO clock reset */
114 * IRouter (i.e. generalized system controller) operations
116 #define SAL_IROUTER_OPEN 0 /* open a subchannel */
117 #define SAL_IROUTER_CLOSE 1 /* close a subchannel */
118 #define SAL_IROUTER_SEND 2 /* send part of an IRouter packet */
119 #define SAL_IROUTER_RECV 3 /* receive part of an IRouter packet */
120 #define SAL_IROUTER_INTR_STATUS 4 /* check the interrupt status for
123 #define SAL_IROUTER_INTR_ON 5 /* enable an interrupt */
124 #define SAL_IROUTER_INTR_OFF 6 /* disable an interrupt */
125 #define SAL_IROUTER_INIT 7 /* initialize IRouter driver */
127 /* IRouter interrupt mask bits */
128 #define SAL_IROUTER_INTR_XMIT SAL_CONSOLE_INTR_XMIT
129 #define SAL_IROUTER_INTR_RECV SAL_CONSOLE_INTR_RECV
132 * Error Handling Features
134 #define SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV 0x1 // obsolete
135 #define SAL_ERR_FEAT_LOG_SBES 0x2 // obsolete
136 #define SAL_ERR_FEAT_MFR_OVERRIDE 0x4
137 #define SAL_ERR_FEAT_SBE_THRESHOLD 0xffff0000
142 #define SALRET_MORE_PASSES 1
144 #define SALRET_NOT_IMPLEMENTED (-1)
145 #define SALRET_INVALID_ARG (-2)
146 #define SALRET_ERROR (-3)
148 #define SN_SAL_FAKE_PROM 0x02009999
151 * sn_sal_revision - get the SGI SAL revision number
153 * The SGI PROM stores its version in the sal_[ab]_rev_(major|minor).
154 * This routine simply extracts the major and minor values and
155 * presents them in a u32 format.
157 * For example, version 4.05 would be represented at 0x0405.
162 struct ia64_sal_systab
*systab
= efi
.sal_systab
;
164 return (u32
)(systab
->sal_b_rev_major
<< 8 | systab
->sal_b_rev_minor
);
168 * Returns the master console nasid, if the call fails, return an illegal
172 ia64_sn_get_console_nasid(void)
174 struct ia64_sal_retval ret_stuff
;
176 ret_stuff
.status
= 0;
180 SAL_CALL(ret_stuff
, SN_SAL_GET_MASTER_NASID
, 0, 0, 0, 0, 0, 0, 0);
182 if (ret_stuff
.status
< 0)
183 return ret_stuff
.status
;
185 /* Master console nasid is in 'v0' */
190 * Returns the master baseio nasid, if the call fails, return an illegal
194 ia64_sn_get_master_baseio_nasid(void)
196 struct ia64_sal_retval ret_stuff
;
198 ret_stuff
.status
= 0;
202 SAL_CALL(ret_stuff
, SN_SAL_GET_MASTER_BASEIO_NASID
, 0, 0, 0, 0, 0, 0, 0);
204 if (ret_stuff
.status
< 0)
205 return ret_stuff
.status
;
207 /* Master baseio nasid is in 'v0' */
212 ia64_sn_get_klconfig_addr(nasid_t nasid
)
214 struct ia64_sal_retval ret_stuff
;
216 ret_stuff
.status
= 0;
220 SAL_CALL(ret_stuff
, SN_SAL_GET_KLCONFIG_ADDR
, (u64
)nasid
, 0, 0, 0, 0, 0, 0);
221 return ret_stuff
.v0
? __va(ret_stuff
.v0
) : NULL
;
225 * Returns the next console character.
228 ia64_sn_console_getc(int *ch
)
230 struct ia64_sal_retval ret_stuff
;
232 ret_stuff
.status
= 0;
236 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_GETC
, 0, 0, 0, 0, 0, 0, 0);
238 /* character is in 'v0' */
239 *ch
= (int)ret_stuff
.v0
;
241 return ret_stuff
.status
;
245 * Read a character from the SAL console device, after a previous interrupt
246 * or poll operation has given us to know that a character is available
250 ia64_sn_console_readc(void)
252 struct ia64_sal_retval ret_stuff
;
254 ret_stuff
.status
= 0;
258 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_READC
, 0, 0, 0, 0, 0, 0, 0);
260 /* character is in 'v0' */
265 * Sends the given character to the console.
268 ia64_sn_console_putc(char ch
)
270 struct ia64_sal_retval ret_stuff
;
272 ret_stuff
.status
= 0;
276 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_PUTC
, (u64
)ch
, 0, 0, 0, 0, 0, 0);
278 return ret_stuff
.status
;
282 * Sends the given buffer to the console.
285 ia64_sn_console_putb(const char *buf
, int len
)
287 struct ia64_sal_retval ret_stuff
;
289 ret_stuff
.status
= 0;
293 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_PUTB
, (u64
)buf
, (u64
)len
, 0, 0, 0, 0, 0);
295 if ( ret_stuff
.status
== 0 ) {
302 * Print a platform error record
305 ia64_sn_plat_specific_err_print(int (*hook
)(const char*, ...), char *rec
)
307 struct ia64_sal_retval ret_stuff
;
309 ret_stuff
.status
= 0;
313 SAL_CALL_REENTRANT(ret_stuff
, SN_SAL_PRINT_ERROR
, (u64
)hook
, (u64
)rec
, 0, 0, 0, 0, 0);
315 return ret_stuff
.status
;
319 * Check for Platform errors
322 ia64_sn_plat_cpei_handler(void)
324 struct ia64_sal_retval ret_stuff
;
326 ret_stuff
.status
= 0;
330 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_LOG_CE
, 0, 0, 0, 0, 0, 0, 0);
332 return ret_stuff
.status
;
336 * Set Error Handling Features (Obsolete)
339 ia64_sn_plat_set_error_handling_features(void)
341 struct ia64_sal_retval ret_stuff
;
343 ret_stuff
.status
= 0;
347 SAL_CALL_REENTRANT(ret_stuff
, SN_SAL_SET_ERROR_HANDLING_FEATURES
,
348 (SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV
| SAL_ERR_FEAT_LOG_SBES
),
351 return ret_stuff
.status
;
355 * Checks for console input.
358 ia64_sn_console_check(int *result
)
360 struct ia64_sal_retval ret_stuff
;
362 ret_stuff
.status
= 0;
366 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_POLL
, 0, 0, 0, 0, 0, 0, 0);
368 /* result is in 'v0' */
369 *result
= (int)ret_stuff
.v0
;
371 return ret_stuff
.status
;
375 * Checks console interrupt status
378 ia64_sn_console_intr_status(void)
380 struct ia64_sal_retval ret_stuff
;
382 ret_stuff
.status
= 0;
386 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_INTR
,
387 0, SAL_CONSOLE_INTR_STATUS
,
390 if (ret_stuff
.status
== 0) {
398 * Enable an interrupt on the SAL console device.
401 ia64_sn_console_intr_enable(u64 intr
)
403 struct ia64_sal_retval ret_stuff
;
405 ret_stuff
.status
= 0;
409 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_INTR
,
410 intr
, SAL_CONSOLE_INTR_ON
,
415 * Disable an interrupt on the SAL console device.
418 ia64_sn_console_intr_disable(u64 intr
)
420 struct ia64_sal_retval ret_stuff
;
422 ret_stuff
.status
= 0;
426 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_INTR
,
427 intr
, SAL_CONSOLE_INTR_OFF
,
432 * Sends a character buffer to the console asynchronously.
435 ia64_sn_console_xmit_chars(char *buf
, int len
)
437 struct ia64_sal_retval ret_stuff
;
439 ret_stuff
.status
= 0;
443 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_CONSOLE_XMIT_CHARS
,
447 if (ret_stuff
.status
== 0) {
455 * Returns the iobrick module Id
458 ia64_sn_sysctl_iobrick_module_get(nasid_t nasid
, int *result
)
460 struct ia64_sal_retval ret_stuff
;
462 ret_stuff
.status
= 0;
466 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_SYSCTL_IOBRICK_MODULE_GET
, nasid
, 0, 0, 0, 0, 0, 0);
468 /* result is in 'v0' */
469 *result
= (int)ret_stuff
.v0
;
471 return ret_stuff
.status
;
475 * ia64_sn_pod_mode - call the SN_SAL_POD_MODE function
477 * SN_SAL_POD_MODE actually takes an argument, but it's always
478 * 0 when we call it from the kernel, so we don't have to expose
482 ia64_sn_pod_mode(void)
484 struct ia64_sal_retval isrv
;
485 SAL_CALL_REENTRANT(isrv
, SN_SAL_POD_MODE
, 0, 0, 0, 0, 0, 0, 0);
492 * ia64_sn_probe_mem - read from memory safely
493 * @addr: address to probe
494 * @size: number bytes to read (1,2,4,8)
495 * @data_ptr: address to store value read by probe (-1 returned if probe fails)
497 * Call into the SAL to do a memory read. If the read generates a machine
498 * check, this routine will recover gracefully and return -1 to the caller.
499 * @addr is usually a kernel virtual address in uncached space (i.e. the
500 * address starts with 0xc), but if called in physical mode, @addr should
501 * be a physical address.
504 * 0 - probe successful
505 * 1 - probe failed (generated MCA)
510 ia64_sn_probe_mem(long addr
, long size
, void *data_ptr
)
512 struct ia64_sal_retval isrv
;
514 SAL_CALL(isrv
, SN_SAL_PROBE
, addr
, size
, 0, 0, 0, 0, 0);
519 *((u8
*)data_ptr
) = (u8
)isrv
.v0
;
522 *((u16
*)data_ptr
) = (u16
)isrv
.v0
;
525 *((u32
*)data_ptr
) = (u32
)isrv
.v0
;
528 *((u64
*)data_ptr
) = (u64
)isrv
.v0
;
538 * Retrieve the system serial number as an ASCII string.
541 ia64_sn_sys_serial_get(char *buf
)
543 struct ia64_sal_retval ret_stuff
;
544 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_SYS_SERIAL_GET
, buf
, 0, 0, 0, 0, 0, 0);
545 return ret_stuff
.status
;
548 extern char sn_system_serial_number_string
[];
549 extern u64 sn_partition_serial_number
;
552 sn_system_serial_number(void) {
553 if (sn_system_serial_number_string
[0]) {
554 return(sn_system_serial_number_string
);
556 ia64_sn_sys_serial_get(sn_system_serial_number_string
);
557 return(sn_system_serial_number_string
);
563 * Returns a unique id number for this system and partition (suitable for
564 * use with license managers), based in part on the system serial number.
567 ia64_sn_partition_serial_get(void)
569 struct ia64_sal_retval ret_stuff
;
570 ia64_sal_oemcall_reentrant(&ret_stuff
, SN_SAL_PARTITION_SERIAL_GET
, 0,
572 if (ret_stuff
.status
!= 0)
578 sn_partition_serial_number_val(void) {
579 if (unlikely(sn_partition_serial_number
== 0)) {
580 sn_partition_serial_number
= ia64_sn_partition_serial_get();
582 return sn_partition_serial_number
;
586 * Returns the partition id of the nasid passed in as an argument,
587 * or INVALID_PARTID if the partition id cannot be retrieved.
589 static inline partid_t
590 ia64_sn_sysctl_partition_get(nasid_t nasid
)
592 struct ia64_sal_retval ret_stuff
;
593 SAL_CALL(ret_stuff
, SN_SAL_SYSCTL_PARTITION_GET
, nasid
,
595 if (ret_stuff
.status
!= 0)
597 return ((partid_t
)ret_stuff
.v0
);
601 * Returns the physical address of the partition's reserved page through
602 * an iterative number of calls.
604 * On first call, 'cookie' and 'len' should be set to 0, and 'addr'
605 * set to the nasid of the partition whose reserved page's address is
607 * On subsequent calls, pass the values, that were passed back on the
610 * While the return status equals SALRET_MORE_PASSES, keep calling
611 * this function after first copying 'len' bytes starting at 'addr'
612 * into 'buf'. Once the return status equals SALRET_OK, 'addr' will
613 * be the physical address of the partition's reserved page. If the
614 * return status equals neither of these, an error as occurred.
617 sn_partition_reserved_page_pa(u64 buf
, u64
*cookie
, u64
*addr
, u64
*len
)
619 struct ia64_sal_retval rv
;
620 ia64_sal_oemcall_reentrant(&rv
, SN_SAL_GET_PARTITION_ADDR
, *cookie
,
621 *addr
, buf
, *len
, 0, 0, 0);
629 * Register or unregister a physical address range being referenced across
630 * a partition boundary for which certain SAL errors should be scanned for,
631 * cleaned up and ignored. This is of value for kernel partitioning code only.
632 * Values for the operation argument:
633 * 1 = register this address range with SAL
634 * 0 = unregister this address range with SAL
636 * SAL maintains a reference count on an address range in case it is registered
639 * On success, returns the reference count of the address range after the SAL
640 * call has performed the current registration/unregistration. Returns a
641 * negative value if an error occurred.
644 sn_register_xp_addr_region(u64 paddr
, u64 len
, int operation
)
646 struct ia64_sal_retval ret_stuff
;
647 ia64_sal_oemcall(&ret_stuff
, SN_SAL_XP_ADDR_REGION
, paddr
, len
,
648 (u64
)operation
, 0, 0, 0, 0);
649 return ret_stuff
.status
;
653 * Register or unregister an instruction range for which SAL errors should
654 * be ignored. If an error occurs while in the registered range, SAL jumps
655 * to return_addr after ignoring the error. Values for the operation argument:
656 * 1 = register this instruction range with SAL
657 * 0 = unregister this instruction range with SAL
659 * Returns 0 on success, or a negative value if an error occurred.
662 sn_register_nofault_code(u64 start_addr
, u64 end_addr
, u64 return_addr
,
663 int virtual, int operation
)
665 struct ia64_sal_retval ret_stuff
;
668 call
= SN_SAL_NO_FAULT_ZONE_VIRTUAL
;
670 call
= SN_SAL_NO_FAULT_ZONE_PHYSICAL
;
672 ia64_sal_oemcall(&ret_stuff
, call
, start_addr
, end_addr
, return_addr
,
674 return ret_stuff
.status
;
678 * Change or query the coherence domain for this partition. Each cpu-based
679 * nasid is represented by a bit in an array of 64-bit words:
680 * 0 = not in this partition's coherency domain
681 * 1 = in this partition's coherency domain
683 * It is not possible for the local system's nasids to be removed from
684 * the coherency domain. Purpose of the domain arguments:
685 * new_domain = set the coherence domain to the given nasids
686 * old_domain = return the current coherence domain
688 * Returns 0 on success, or a negative value if an error occurred.
691 sn_change_coherence(u64
*new_domain
, u64
*old_domain
)
693 struct ia64_sal_retval ret_stuff
;
694 ia64_sal_oemcall(&ret_stuff
, SN_SAL_COHERENCE
, (u64
)new_domain
,
695 (u64
)old_domain
, 0, 0, 0, 0, 0);
696 return ret_stuff
.status
;
700 * Change memory access protections for a physical address range.
701 * nasid_array is not used on Altix, but may be in future architectures.
702 * Available memory protection access classes are defined after the function.
705 sn_change_memprotect(u64 paddr
, u64 len
, u64 perms
, u64
*nasid_array
)
707 struct ia64_sal_retval ret_stuff
;
709 unsigned long irq_flags
;
711 cnodeid
= nasid_to_cnodeid(get_node_number(paddr
));
712 local_irq_save(irq_flags
);
713 ia64_sal_oemcall_nolock(&ret_stuff
, SN_SAL_MEMPROTECT
, paddr
, len
,
714 (u64
)nasid_array
, perms
, 0, 0, 0);
715 local_irq_restore(irq_flags
);
716 return ret_stuff
.status
;
718 #define SN_MEMPROT_ACCESS_CLASS_0 0x14a080
719 #define SN_MEMPROT_ACCESS_CLASS_1 0x2520c2
720 #define SN_MEMPROT_ACCESS_CLASS_2 0x14a1ca
721 #define SN_MEMPROT_ACCESS_CLASS_3 0x14a290
722 #define SN_MEMPROT_ACCESS_CLASS_6 0x084080
723 #define SN_MEMPROT_ACCESS_CLASS_7 0x021080
726 * Turns off system power.
729 ia64_sn_power_down(void)
731 struct ia64_sal_retval ret_stuff
;
732 SAL_CALL(ret_stuff
, SN_SAL_SYSTEM_POWER_DOWN
, 0, 0, 0, 0, 0, 0, 0);
739 * ia64_sn_fru_capture - tell the system controller to capture hw state
741 * This routine will call the SAL which will tell the system controller(s)
742 * to capture hw mmr information from each SHub in the system.
745 ia64_sn_fru_capture(void)
747 struct ia64_sal_retval isrv
;
748 SAL_CALL(isrv
, SN_SAL_SYSCTL_FRU_CAPTURE
, 0, 0, 0, 0, 0, 0, 0);
755 * Performs an operation on a PCI bus or slot -- power up, power down
759 ia64_sn_sysctl_iobrick_pci_op(nasid_t n
, u64 connection_type
,
763 struct ia64_sal_retval rv
= {0, 0, 0, 0};
765 SAL_CALL_NOLOCK(rv
, SN_SAL_SYSCTL_IOBRICK_PCI_OP
, connection_type
, n
, action
,
766 bus
, (u64
) slot
, 0, 0);
774 * Open a subchannel for sending arbitrary data to the system
775 * controller network via the system controller device associated with
776 * 'nasid'. Return the subchannel number or a negative error code.
779 ia64_sn_irtr_open(nasid_t nasid
)
781 struct ia64_sal_retval rv
;
782 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_OPEN
, nasid
,
788 * Close system controller subchannel 'subch' previously opened on 'nasid'.
791 ia64_sn_irtr_close(nasid_t nasid
, int subch
)
793 struct ia64_sal_retval rv
;
794 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_CLOSE
,
795 (u64
) nasid
, (u64
) subch
, 0, 0, 0, 0);
796 return (int) rv
.status
;
800 * Read data from system controller associated with 'nasid' on
801 * subchannel 'subch'. The buffer to be filled is pointed to by
802 * 'buf', and its capacity is in the integer pointed to by 'len'. The
803 * referent of 'len' is set to the number of bytes read by the SAL
804 * call. The return value is either SALRET_OK (for bytes read) or
805 * SALRET_ERROR (for error or "no data available").
808 ia64_sn_irtr_recv(nasid_t nasid
, int subch
, char *buf
, int *len
)
810 struct ia64_sal_retval rv
;
811 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_RECV
,
812 (u64
) nasid
, (u64
) subch
, (u64
) buf
, (u64
) len
,
814 return (int) rv
.status
;
818 * Write data to the system controller network via the system
819 * controller associated with 'nasid' on suchannel 'subch'. The
820 * buffer to be written out is pointed to by 'buf', and 'len' is the
821 * number of bytes to be written. The return value is either the
822 * number of bytes written (which could be zero) or a negative error
826 ia64_sn_irtr_send(nasid_t nasid
, int subch
, char *buf
, int len
)
828 struct ia64_sal_retval rv
;
829 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_SEND
,
830 (u64
) nasid
, (u64
) subch
, (u64
) buf
, (u64
) len
,
836 * Check whether any interrupts are pending for the system controller
837 * associated with 'nasid' and its subchannel 'subch'. The return
838 * value is a mask of pending interrupts (SAL_IROUTER_INTR_XMIT and/or
839 * SAL_IROUTER_INTR_RECV).
842 ia64_sn_irtr_intr(nasid_t nasid
, int subch
)
844 struct ia64_sal_retval rv
;
845 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_INTR_STATUS
,
846 (u64
) nasid
, (u64
) subch
, 0, 0, 0, 0);
851 * Enable the interrupt indicated by the intr parameter (either
852 * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
855 ia64_sn_irtr_intr_enable(nasid_t nasid
, int subch
, u64 intr
)
857 struct ia64_sal_retval rv
;
858 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_INTR_ON
,
859 (u64
) nasid
, (u64
) subch
, intr
, 0, 0, 0);
864 * Disable the interrupt indicated by the intr parameter (either
865 * SAL_IROUTER_INTR_XMIT or SAL_IROUTER_INTR_RECV).
868 ia64_sn_irtr_intr_disable(nasid_t nasid
, int subch
, u64 intr
)
870 struct ia64_sal_retval rv
;
871 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_INTR_OFF
,
872 (u64
) nasid
, (u64
) subch
, intr
, 0, 0, 0);
877 * Set up a node as the point of contact for system controller
878 * environmental event delivery.
881 ia64_sn_sysctl_event_init(nasid_t nasid
)
883 struct ia64_sal_retval rv
;
884 SAL_CALL_REENTRANT(rv
, SN_SAL_SYSCTL_EVENT
, (u64
) nasid
,
890 * Ask the system controller on the specified nasid to reset
891 * the CX corelet clock. Only valid on TIO nodes.
894 ia64_sn_sysctl_tio_clock_reset(nasid_t nasid
)
896 struct ia64_sal_retval rv
;
897 SAL_CALL_REENTRANT(rv
, SN_SAL_SYSCTL_OP
, SAL_SYSCTL_OP_TIO_JLCK_RST
,
898 nasid
, 0, 0, 0, 0, 0);
900 return (int)rv
.status
;
908 * Get the associated ioboard type for a given nasid.
911 ia64_sn_sysctl_ioboard_get(nasid_t nasid
)
913 struct ia64_sal_retval rv
;
914 SAL_CALL_REENTRANT(rv
, SN_SAL_SYSCTL_OP
, SAL_SYSCTL_OP_IOBOARD
,
915 nasid
, 0, 0, 0, 0, 0);
925 * ia64_sn_get_fit_compt - read a FIT entry from the PROM header
926 * @nasid: NASID of node to read
927 * @index: FIT entry index to be retrieved (0..n)
928 * @fitentry: 16 byte buffer where FIT entry will be stored.
929 * @banbuf: optional buffer for retrieving banner
930 * @banlen: length of banner buffer
932 * Access to the physical PROM chips needs to be serialized since reads and
933 * writes can't occur at the same time, so we need to call into the SAL when
934 * we want to look at the FIT entries on the chips.
938 * %SALRET_INVALID_ARG if index too big
939 * %SALRET_NOT_IMPLEMENTED if running on older PROM
940 * ??? if nasid invalid OR banner buffer not large enough
943 ia64_sn_get_fit_compt(u64 nasid
, u64 index
, void *fitentry
, void *banbuf
,
946 struct ia64_sal_retval rv
;
947 SAL_CALL_NOLOCK(rv
, SN_SAL_GET_FIT_COMPT
, nasid
, index
, fitentry
,
948 banbuf
, banlen
, 0, 0);
949 return (int) rv
.status
;
953 * Initialize the SAL components of the system controller
954 * communication driver; specifically pass in a sizable buffer that
955 * can be used for allocation of subchannel queues as new subchannels
956 * are opened. "buf" points to the buffer, and "len" specifies its
960 ia64_sn_irtr_init(nasid_t nasid
, void *buf
, int len
)
962 struct ia64_sal_retval rv
;
963 SAL_CALL_REENTRANT(rv
, SN_SAL_IROUTER_OP
, SAL_IROUTER_INIT
,
964 (u64
) nasid
, (u64
) buf
, (u64
) len
, 0, 0, 0);
965 return (int) rv
.status
;
969 * Returns the nasid, subnode & slice corresponding to a SAPIC ID
972 * arg0 - SN_SAL_GET_SAPIC_INFO
973 * arg1 - sapicid (lid >> 16)
980 ia64_sn_get_sapic_info(int sapicid
, int *nasid
, int *subnode
, int *slice
)
982 struct ia64_sal_retval ret_stuff
;
984 ret_stuff
.status
= 0;
988 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_GET_SAPIC_INFO
, sapicid
, 0, 0, 0, 0, 0, 0);
990 /***** BEGIN HACK - temp til old proms no longer supported ********/
991 if (ret_stuff
.status
== SALRET_NOT_IMPLEMENTED
) {
992 if (nasid
) *nasid
= sapicid
& 0xfff;
993 if (subnode
) *subnode
= (sapicid
>> 13) & 1;
994 if (slice
) *slice
= (sapicid
>> 12) & 3;
997 /***** END HACK *******/
999 if (ret_stuff
.status
< 0)
1000 return ret_stuff
.status
;
1002 if (nasid
) *nasid
= (int) ret_stuff
.v0
;
1003 if (subnode
) *subnode
= (int) ret_stuff
.v1
;
1004 if (slice
) *slice
= (int) ret_stuff
.v2
;
1009 * Returns information about the HUB/SHUB.
1011 * arg0 - SN_SAL_GET_SN_INFO
1012 * arg1 - 0 (other values reserved for future use)
1015 * [7:0] - shub type (0=shub1, 1=shub2)
1016 * [15:8] - Log2 max number of nodes in entire system (includes
1017 * C-bricks, I-bricks, etc)
1018 * [23:16] - Log2 of nodes per sharing domain
1019 * [31:24] - partition ID
1020 * [39:32] - coherency_id
1021 * [47:40] - regionsize
1023 * [15:0] - nasid mask (ex., 0x7ff for 11 bit nasid)
1024 * [23:15] - bit position of low nasid bit
1027 ia64_sn_get_sn_info(int fc
, u8
*shubtype
, u16
*nasid_bitmask
, u8
*nasid_shift
,
1028 u8
*systemsize
, u8
*sharing_domain_size
, u8
*partid
, u8
*coher
, u8
*reg
)
1030 struct ia64_sal_retval ret_stuff
;
1032 ret_stuff
.status
= 0;
1036 SAL_CALL_NOLOCK(ret_stuff
, SN_SAL_GET_SN_INFO
, fc
, 0, 0, 0, 0, 0, 0);
1038 /***** BEGIN HACK - temp til old proms no longer supported ********/
1039 if (ret_stuff
.status
== SALRET_NOT_IMPLEMENTED
) {
1040 int nasid
= get_sapicid() & 0xfff;;
1041 #define SH_SHUB_ID_NODES_PER_BIT_MASK 0x001f000000000000UL
1042 #define SH_SHUB_ID_NODES_PER_BIT_SHFT 48
1043 if (shubtype
) *shubtype
= 0;
1044 if (nasid_bitmask
) *nasid_bitmask
= 0x7ff;
1045 if (nasid_shift
) *nasid_shift
= 38;
1046 if (systemsize
) *systemsize
= 10;
1047 if (sharing_domain_size
) *sharing_domain_size
= 8;
1048 if (partid
) *partid
= ia64_sn_sysctl_partition_get(nasid
);
1049 if (coher
) *coher
= nasid
>> 9;
1050 if (reg
) *reg
= (HUB_L((u64
*) LOCAL_MMR_ADDR(SH1_SHUB_ID
)) & SH_SHUB_ID_NODES_PER_BIT_MASK
) >>
1051 SH_SHUB_ID_NODES_PER_BIT_SHFT
;
1054 /***** END HACK *******/
1056 if (ret_stuff
.status
< 0)
1057 return ret_stuff
.status
;
1059 if (shubtype
) *shubtype
= ret_stuff
.v0
& 0xff;
1060 if (systemsize
) *systemsize
= (ret_stuff
.v0
>> 8) & 0xff;
1061 if (sharing_domain_size
) *sharing_domain_size
= (ret_stuff
.v0
>> 16) & 0xff;
1062 if (partid
) *partid
= (ret_stuff
.v0
>> 24) & 0xff;
1063 if (coher
) *coher
= (ret_stuff
.v0
>> 32) & 0xff;
1064 if (reg
) *reg
= (ret_stuff
.v0
>> 40) & 0xff;
1065 if (nasid_bitmask
) *nasid_bitmask
= (ret_stuff
.v1
& 0xffff);
1066 if (nasid_shift
) *nasid_shift
= (ret_stuff
.v1
>> 16) & 0xff;
1071 * This is the access point to the Altix PROM hardware performance
1072 * and status monitoring interface. For info on using this, see
1073 * include/asm-ia64/sn/sn2/sn_hwperf.h
1076 ia64_sn_hwperf_op(nasid_t nasid
, u64 opcode
, u64 a0
, u64 a1
, u64 a2
,
1077 u64 a3
, u64 a4
, int *v0
)
1079 struct ia64_sal_retval rv
;
1080 SAL_CALL_NOLOCK(rv
, SN_SAL_HWPERF_OP
, (u64
)nasid
,
1081 opcode
, a0
, a1
, a2
, a3
, a4
);
1084 return (int) rv
.status
;
1088 ia64_sn_ioif_get_pci_topology(u64 buf
, u64 len
)
1090 struct ia64_sal_retval rv
;
1091 SAL_CALL_NOLOCK(rv
, SN_SAL_IOIF_GET_PCI_TOPOLOGY
, buf
, len
, 0, 0, 0, 0, 0);
1092 return (int) rv
.status
;
1096 * BTE error recovery is implemented in SAL
1099 ia64_sn_bte_recovery(nasid_t nasid
)
1101 struct ia64_sal_retval rv
;
1104 SAL_CALL_NOLOCK(rv
, SN_SAL_BTE_RECOVER
, (u64
)nasid
, 0, 0, 0, 0, 0, 0);
1105 if (rv
.status
== SALRET_NOT_IMPLEMENTED
)
1107 return (int) rv
.status
;
1111 ia64_sn_is_fake_prom(void)
1113 struct ia64_sal_retval rv
;
1114 SAL_CALL_NOLOCK(rv
, SN_SAL_FAKE_PROM
, 0, 0, 0, 0, 0, 0, 0);
1115 return (rv
.status
== 0);
1119 ia64_sn_get_prom_feature_set(int set
, unsigned long *feature_set
)
1121 struct ia64_sal_retval rv
;
1123 SAL_CALL_NOLOCK(rv
, SN_SAL_GET_PROM_FEATURE_SET
, set
, 0, 0, 0, 0, 0, 0);
1126 *feature_set
= rv
.v0
;
1131 ia64_sn_set_os_feature(int feature
)
1133 struct ia64_sal_retval rv
;
1135 SAL_CALL_NOLOCK(rv
, SN_SAL_SET_OS_FEATURE_SET
, feature
, 0, 0, 0, 0, 0, 0);
1139 #endif /* _ASM_IA64_SN_SN_SAL_H */