1source "init/Kconfig"
2
3source "kernel/Kconfig.freezer"
4
5menu "Processor type and features"
6
7config IA64
8	bool
9	select PCI if (!IA64_HP_SIM)
10	select ACPI if (!IA64_HP_SIM)
11	select PM if (!IA64_HP_SIM)
12	select ARCH_SUPPORTS_MSI
13	select HAVE_UNSTABLE_SCHED_CLOCK
14	select HAVE_IDE
15	select HAVE_OPROFILE
16	select HAVE_KPROBES
17	select HAVE_KRETPROBES
18	select HAVE_FTRACE_MCOUNT_RECORD
19	select HAVE_DYNAMIC_FTRACE if (!ITANIUM)
20	select HAVE_FUNCTION_TRACER
21	select HAVE_DMA_ATTRS
22	select HAVE_KVM
23	select HAVE_ARCH_TRACEHOOK
24	select HAVE_DMA_API_DEBUG
25	select HAVE_GENERIC_HARDIRQS
26	select HAVE_MEMBLOCK
27	select HAVE_MEMBLOCK_NODE_MAP
28	select ARCH_DISCARD_MEMBLOCK
29	select GENERIC_IRQ_PROBE
30	select GENERIC_PENDING_IRQ if SMP
31	select IRQ_PER_CPU
32	select GENERIC_IRQ_SHOW
33	select ARCH_WANT_OPTIONAL_GPIOLIB
34	select ARCH_HAVE_NMI_SAFE_CMPXCHG
35	select GENERIC_IOMAP
36	default y
37	help
38	  The Itanium Processor Family is Intel's 64-bit successor to
39	  the 32-bit X86 line.  The IA-64 Linux project has a home
40	  page at <http://www.linuxia64.org/> and a mailing list at
41	  <linux-ia64@vger.kernel.org>.
42
43config 64BIT
44	bool
45	select ATA_NONSTANDARD if ATA
46	default y
47
48config ZONE_DMA
49	def_bool y
50	depends on !IA64_SGI_SN2
51
52config QUICKLIST
53	bool
54	default y
55
56config MMU
57	bool
58	default y
59
60config ARCH_DMA_ADDR_T_64BIT
61	def_bool y
62
63config NEED_DMA_MAP_STATE
64	def_bool y
65
66config NEED_SG_DMA_LENGTH
67	def_bool y
68
69config SWIOTLB
70       bool
71
72config STACKTRACE_SUPPORT
73	def_bool y
74
75config GENERIC_LOCKBREAK
76	def_bool n
77
78config RWSEM_XCHGADD_ALGORITHM
79	bool
80	default y
81
82config HUGETLB_PAGE_SIZE_VARIABLE
83	bool
84	depends on HUGETLB_PAGE
85	default y
86
87config GENERIC_CALIBRATE_DELAY
88	bool
89	default y
90
91config GENERIC_TIME_VSYSCALL
92	bool
93	default y
94
95config HAVE_SETUP_PER_CPU_AREA
96	def_bool y
97
98config GENERIC_GPIO
99	bool
100
101config DMI
102	bool
103	default y
104
105config EFI
106	bool
107	default y
108
109config ARCH_CLOCKSOURCE_DATA
110	def_bool y
111
112config SCHED_OMIT_FRAME_POINTER
113	bool
114	default y
115
116config IA64_UNCACHED_ALLOCATOR
117	bool
118	select GENERIC_ALLOCATOR
119
120config ARCH_USES_PG_UNCACHED
121	def_bool y
122	depends on IA64_UNCACHED_ALLOCATOR
123
124config AUDIT_ARCH
125	bool
126	default y
127
128menuconfig PARAVIRT_GUEST
129	bool "Paravirtualized guest support"
130	help
131	  Say Y here to get to see options related to running Linux under
132	  various hypervisors.  This option alone does not add any kernel code.
133
134	  If you say N, all options in this submenu will be skipped and disabled.
135
136if PARAVIRT_GUEST
137
138config PARAVIRT
139	bool "Enable paravirtualization code"
140	depends on PARAVIRT_GUEST
141	default y
142	bool
143	default y
144	help
145	  This changes the kernel so it can modify itself when it is run
146	  under a hypervisor, potentially improving performance significantly
147	  over full virtualization.  However, when run without a hypervisor
148	  the kernel is theoretically slower and slightly larger.
149
150
151source "arch/ia64/xen/Kconfig"
152
153endif
154
155choice
156	prompt "System type"
157	default IA64_GENERIC
158
159config IA64_GENERIC
160	bool "generic"
161	select NUMA
162	select ACPI_NUMA
163	select SWIOTLB
164	select PCI_MSI
165	help
166	  This selects the system type of your hardware.  A "generic" kernel
167	  will run on any supported IA-64 system.  However, if you configure
168	  a kernel for your specific system, it will be faster and smaller.
169
170	  generic		For any supported IA-64 system
171	  DIG-compliant		For DIG ("Developer's Interface Guide") compliant systems
172	  DIG+Intel+IOMMU	For DIG systems with Intel IOMMU
173	  HP-zx1/sx1000		For HP systems
174	  HP-zx1/sx1000+swiotlb	For HP systems with (broken) DMA-constrained devices.
175	  SGI-SN2		For SGI Altix systems
176	  SGI-UV		For SGI UV systems
177	  Ski-simulator		For the HP simulator <http://www.hpl.hp.com/research/linux/ski/>
178	  Xen-domU		For xen domU system
179
180	  If you don't know what to do, choose "generic".
181
182config IA64_DIG
183	bool "DIG-compliant"
184	select SWIOTLB
185
186config IA64_DIG_VTD
187	bool "DIG+Intel+IOMMU"
188	select DMAR
189	select PCI_MSI
190
191config IA64_HP_ZX1
192	bool "HP-zx1/sx1000"
193	help
194	  Build a kernel that runs on HP zx1 and sx1000 systems.  This adds
195	  support for the HP I/O MMU.
196
197config IA64_HP_ZX1_SWIOTLB
198	bool "HP-zx1/sx1000 with software I/O TLB"
199	select SWIOTLB
200	help
201	  Build a kernel that runs on HP zx1 and sx1000 systems even when they
202	  have broken PCI devices which cannot DMA to full 32 bits.  Apart
203	  from support for the HP I/O MMU, this includes support for the software
204	  I/O TLB, which allows supporting the broken devices at the expense of
205	  wasting some kernel memory (about 2MB by default).
206
207config IA64_SGI_SN2
208	bool "SGI-SN2"
209	select NUMA
210	select ACPI_NUMA
211	help
212	  Selecting this option will optimize the kernel for use on sn2 based
213	  systems, but the resulting kernel binary will not run on other
214	  types of ia64 systems.  If you have an SGI Altix system, it's safe
215	  to select this option.  If in doubt, select ia64 generic support
216	  instead.
217
218config IA64_SGI_UV
219	bool "SGI-UV"
220	select NUMA
221	select ACPI_NUMA
222	select SWIOTLB
223	help
224	  Selecting this option will optimize the kernel for use on UV based
225	  systems, but the resulting kernel binary will not run on other
226	  types of ia64 systems.  If you have an SGI UV system, it's safe
227	  to select this option.  If in doubt, select ia64 generic support
228	  instead.
229
230config IA64_HP_SIM
231	bool "Ski-simulator"
232	select SWIOTLB
233
234config IA64_XEN_GUEST
235	bool "Xen guest"
236	select SWIOTLB
237	depends on XEN
238	help
239	  Build a kernel that runs on Xen guest domain. At this moment only
240	  16KB page size in supported.
241
242endchoice
243
244choice
245	prompt "Processor type"
246	default ITANIUM
247
248config ITANIUM
249	bool "Itanium"
250	help
251	  Select your IA-64 processor type.  The default is Itanium.
252	  This choice is safe for all IA-64 systems, but may not perform
253	  optimally on systems with, say, Itanium 2 or newer processors.
254
255config MCKINLEY
256	bool "Itanium 2"
257	help
258	  Select this to configure for an Itanium 2 (McKinley) processor.
259
260endchoice
261
262choice
263	prompt "Kernel page size"
264	default IA64_PAGE_SIZE_16KB
265
266config IA64_PAGE_SIZE_4KB
267	bool "4KB"
268	help
269	  This lets you select the page size of the kernel.  For best IA-64
270	  performance, a page size of 8KB or 16KB is recommended.  For best
271	  IA-32 compatibility, a page size of 4KB should be selected (the vast
272	  majority of IA-32 binaries work perfectly fine with a larger page
273	  size).  For Itanium 2 or newer systems, a page size of 64KB can also
274	  be selected.
275
276	  4KB                For best IA-32 compatibility
277	  8KB                For best IA-64 performance
278	  16KB               For best IA-64 performance
279	  64KB               Requires Itanium 2 or newer processor.
280
281	  If you don't know what to do, choose 16KB.
282
283config IA64_PAGE_SIZE_8KB
284	bool "8KB"
285
286config IA64_PAGE_SIZE_16KB
287	bool "16KB"
288
289config IA64_PAGE_SIZE_64KB
290	depends on !ITANIUM
291	bool "64KB"
292
293endchoice
294
295choice
296	prompt "Page Table Levels"
297	default PGTABLE_3
298
299config PGTABLE_3
300	bool "3 Levels"
301
302config PGTABLE_4
303	depends on !IA64_PAGE_SIZE_64KB
304	bool "4 Levels"
305
306endchoice
307
308if IA64_HP_SIM
309config HZ
310	default 32
311endif
312
313if !IA64_HP_SIM
314source kernel/Kconfig.hz
315endif
316
317config IA64_BRL_EMU
318	bool
319	depends on ITANIUM
320	default y
321
322# align cache-sensitive data to 128 bytes
323config IA64_L1_CACHE_SHIFT
324	int
325	default "7" if MCKINLEY
326	default "6" if ITANIUM
327
328config IA64_CYCLONE
329	bool "Cyclone (EXA) Time Source support"
330	help
331	  Say Y here to enable support for IBM EXA Cyclone time source.
332	  If you're unsure, answer N.
333
334config IOSAPIC
335	bool
336	depends on !IA64_HP_SIM
337	default y
338
339config FORCE_MAX_ZONEORDER
340	int "MAX_ORDER (11 - 17)"  if !HUGETLB_PAGE
341	range 11 17  if !HUGETLB_PAGE
342	default "17" if HUGETLB_PAGE
343	default "11"
344
345config VIRT_CPU_ACCOUNTING
346	bool "Deterministic task and CPU time accounting"
347	default n
348	help
349	  Select this option to enable more accurate task and CPU time
350	  accounting.  This is done by reading a CPU counter on each
351	  kernel entry and exit and on transitions within the kernel
352	  between system, softirq and hardirq state, so there is a
353	  small performance impact.
354	  If in doubt, say N here.
355
356config SMP
357	bool "Symmetric multi-processing support"
358	select USE_GENERIC_SMP_HELPERS
359	help
360	  This enables support for systems with more than one CPU. If you have
361	  a system with only one CPU, say N.  If you have a system with more
362	  than one CPU, say Y.
363
364	  If you say N here, the kernel will run on single and multiprocessor
365	  systems, but will use only one CPU of a multiprocessor system.  If
366	  you say Y here, the kernel will run on many, but not all,
367	  single processor systems.  On a single processor system, the kernel
368	  will run faster if you say N here.
369
370	  See also the SMP-HOWTO available at
371	  <http://www.tldp.org/docs.html#howto>.
372
373	  If you don't know what to do here, say N.
374
375config NR_CPUS
376	int "Maximum number of CPUs (2-4096)"
377	range 2 4096
378	depends on SMP
379	default "4096"
380	help
381	  You should set this to the number of CPUs in your system, but
382	  keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
383	  only use 2 CPUs on a >2 CPU system.  Setting this to a value larger
384	  than 64 will cause the use of a CPU mask array, causing a small
385	  performance hit.
386
387config HOTPLUG_CPU
388	bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
389	depends on SMP && EXPERIMENTAL
390	select HOTPLUG
391	default n
392	---help---
393	  Say Y here to experiment with turning CPUs off and on.  CPUs
394	  can be controlled through /sys/devices/system/cpu/cpu#.
395	  Say N if you want to disable CPU hotplug.
396
397config ARCH_ENABLE_MEMORY_HOTPLUG
398	def_bool y
399
400config ARCH_ENABLE_MEMORY_HOTREMOVE
401	def_bool y
402
403config SCHED_SMT
404	bool "SMT scheduler support"
405	depends on SMP
406	help
407	  Improves the CPU scheduler's decision making when dealing with
408	  Intel IA64 chips with MultiThreading at a cost of slightly increased
409	  overhead in some places. If unsure say N here.
410
411config PERMIT_BSP_REMOVE
412	bool "Support removal of Bootstrap Processor"
413	depends on HOTPLUG_CPU
414	default n
415	---help---
416	Say Y here if your platform SAL will support removal of BSP with HOTPLUG_CPU
417	support.
418
419config FORCE_CPEI_RETARGET
420	bool "Force assumption that CPEI can be re-targeted"
421	depends on PERMIT_BSP_REMOVE
422	default n
423	---help---
424	Say Y if you need to force the assumption that CPEI can be re-targeted to
425	any cpu in the system. This hint is available via ACPI 3.0 specifications.
426	Tiger4 systems are capable of re-directing CPEI to any CPU other than BSP.
427	This option it useful to enable this feature on older BIOS's as well.
428	You can also enable this by using boot command line option force_cpei=1.
429
430source "kernel/Kconfig.preempt"
431
432source "mm/Kconfig"
433
434config ARCH_SELECT_MEMORY_MODEL
435	def_bool y
436
437config ARCH_DISCONTIGMEM_ENABLE
438	def_bool y
439	help
440	  Say Y to support efficient handling of discontiguous physical memory,
441	  for architectures which are either NUMA (Non-Uniform Memory Access)
442	  or have huge holes in the physical address space for other reasons.
443 	  See <file:Documentation/vm/numa> for more.
444
445config ARCH_FLATMEM_ENABLE
446	def_bool y
447
448config ARCH_SPARSEMEM_ENABLE
449	def_bool y
450	depends on ARCH_DISCONTIGMEM_ENABLE
451	select SPARSEMEM_VMEMMAP_ENABLE
452
453config ARCH_DISCONTIGMEM_DEFAULT
454	def_bool y if (IA64_SGI_SN2 || IA64_GENERIC || IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB)
455	depends on ARCH_DISCONTIGMEM_ENABLE
456
457config NUMA
458	bool "NUMA support"
459	depends on !IA64_HP_SIM && !FLATMEM
460	default y if IA64_SGI_SN2
461	select ACPI_NUMA if ACPI
462	help
463	  Say Y to compile the kernel to support NUMA (Non-Uniform Memory
464	  Access).  This option is for configuring high-end multiprocessor
465	  server systems.  If in doubt, say N.
466
467config NODES_SHIFT
468	int "Max num nodes shift(3-10)"
469	range 3 10
470	default "10"
471	depends on NEED_MULTIPLE_NODES
472	help
473	  This option specifies the maximum number of nodes in your SSI system.
474	  MAX_NUMNODES will be 2^(This value).
475	  If in doubt, use the default.
476
477# VIRTUAL_MEM_MAP and FLAT_NODE_MEM_MAP are functionally equivalent.
478# VIRTUAL_MEM_MAP has been retained for historical reasons.
479config VIRTUAL_MEM_MAP
480	bool "Virtual mem map"
481	depends on !SPARSEMEM
482	default y if !IA64_HP_SIM
483	help
484	  Say Y to compile the kernel with support for a virtual mem map.
485	  This code also only takes effect if a memory hole of greater than
486	  1 Gb is found during boot.  You must turn this option on if you
487	  require the DISCONTIGMEM option for your machine. If you are
488	  unsure, say Y.
489
490config HOLES_IN_ZONE
491	bool
492	default y if VIRTUAL_MEM_MAP
493
494config HAVE_ARCH_EARLY_PFN_TO_NID
495	def_bool NUMA && SPARSEMEM
496
497config HAVE_ARCH_NODEDATA_EXTENSION
498	def_bool y
499	depends on NUMA
500
501config USE_PERCPU_NUMA_NODE_ID
502	def_bool y
503	depends on NUMA
504
505config HAVE_MEMORYLESS_NODES
506	def_bool NUMA
507
508config ARCH_PROC_KCORE_TEXT
509	def_bool y
510	depends on PROC_KCORE
511
512config IA64_MCA_RECOVERY
513	tristate "MCA recovery from errors other than TLB."
514
515config PERFMON
516	bool "Performance monitor support"
517	help
518	  Selects whether support for the IA-64 performance monitor hardware
519	  is included in the kernel.  This makes some kernel data-structures a
520	  little bigger and slows down execution a bit, but it is generally
521	  a good idea to turn this on.  If you're unsure, say Y.
522
523config IA64_PALINFO
524	tristate "/proc/pal support"
525	help
526	  If you say Y here, you are able to get PAL (Processor Abstraction
527	  Layer) information in /proc/pal.  This contains useful information
528	  about the processors in your systems, such as cache and TLB sizes
529	  and the PAL firmware version in use.
530
531	  To use this option, you have to ensure that the "/proc file system
532	  support" (CONFIG_PROC_FS) is enabled, too.
533
534config IA64_MC_ERR_INJECT
535	tristate "MC error injection support"
536	help
537	  Adds support for MC error injection. If enabled, the kernel
538	  will provide a sysfs interface for user applications to
539	  call MC error injection PAL procedures to inject various errors.
540	  This is a useful tool for MCA testing.
541
542	  If you're unsure, do not select this option.
543
544config SGI_SN
545	def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
546
547config IA64_ESI
548	bool "ESI (Extensible SAL Interface) support"
549	help
550	  If you say Y here, support is built into the kernel to
551	  make ESI calls.  ESI calls are used to support vendor-specific
552	  firmware extensions, such as the ability to inject memory-errors
553	  for test-purposes.  If you're unsure, say N.
554
555config IA64_HP_AML_NFW
556	bool "Support ACPI AML calls to native firmware"
557	help
558	  This driver installs a global ACPI Operation Region handler for
559	  region 0xA1.  AML methods can use this OpRegion to call arbitrary
560	  native firmware functions.  The driver installs the OpRegion
561	  handler if there is an HPQ5001 device or if the user supplies
562	  the "force" module parameter, e.g., with the "aml_nfw.force"
563	  kernel command line option.
564
565source "drivers/sn/Kconfig"
566
567config KEXEC
568	bool "kexec system call (EXPERIMENTAL)"
569	depends on EXPERIMENTAL && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
570	help
571	  kexec is a system call that implements the ability to shutdown your
572	  current kernel, and to start another kernel.  It is like a reboot
573	  but it is independent of the system firmware.   And like a reboot
574	  you can start any kernel with it, not just Linux.
575
576	  The name comes from the similarity to the exec system call.
577
578	  It is an ongoing process to be certain the hardware in a machine
579	  is properly shutdown, so do not be surprised if this code does not
580	  initially work for you.  It may help to enable device hotplugging
581	  support.  As of this writing the exact hardware interface is
582	  strongly in flux, so no good recommendation can be made.
583
584config CRASH_DUMP
585	  bool "kernel crash dumps"
586	  depends on IA64_MCA_RECOVERY && !IA64_HP_SIM && (!SMP || HOTPLUG_CPU)
587	  help
588	    Generate crash dump after being started by kexec.
589
590source "drivers/firmware/Kconfig"
591
592source "fs/Kconfig.binfmt"
593
594endmenu
595
596menu "Power management and ACPI options"
597
598source "kernel/power/Kconfig"
599
600source "drivers/acpi/Kconfig"
601
602if PM
603
604source "arch/ia64/kernel/cpufreq/Kconfig"
605
606endif
607
608endmenu
609
610if !IA64_HP_SIM
611
612menu "Bus options (PCI, PCMCIA)"
613
614config PCI
615	bool "PCI support"
616	help
617	  Real IA-64 machines all have PCI/PCI-X/PCI Express busses.  Say Y
618	  here unless you are using a simulator without PCI support.
619
620config PCI_DOMAINS
621	def_bool PCI
622
623config PCI_SYSCALL
624	def_bool PCI
625
626source "drivers/pci/pcie/Kconfig"
627
628source "drivers/pci/Kconfig"
629
630source "drivers/pci/hotplug/Kconfig"
631
632source "drivers/pcmcia/Kconfig"
633
634endmenu
635
636endif
637
638source "net/Kconfig"
639
640source "drivers/Kconfig"
641
642source "arch/ia64/hp/sim/Kconfig"
643
644config MSPEC
645	tristate "Memory special operations driver"
646	depends on IA64
647	select IA64_UNCACHED_ALLOCATOR
648	help
649	  If you have an ia64 and you want to enable memory special
650	  operations support (formerly known as fetchop), say Y here,
651	  otherwise say N.
652
653source "fs/Kconfig"
654
655source "arch/ia64/Kconfig.debug"
656
657source "security/Kconfig"
658
659source "crypto/Kconfig"
660
661source "arch/ia64/kvm/Kconfig"
662
663source "lib/Kconfig"
664
665config IOMMU_HELPER
666	def_bool (IA64_HP_ZX1 || IA64_HP_ZX1_SWIOTLB || IA64_GENERIC || SWIOTLB)
667