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* x86/platform/uv: Add return code to UV BIOS Init functionMike Travis2019-10-071-1/+1
| | | | | | | | | | | | | | | | | | | | | Add a return code to the UV BIOS init function that indicates the successful initialization of the kernel/BIOS callback interface. Signed-off-by: Mike Travis <mike.travis@hpe.com> Reviewed-by: Steve Wahl <steve.wahl@hpe.com> Reviewed-by: Dimitri Sivanich <dimitri.sivanich@hpe.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Christoph Hellwig <hch@infradead.org> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Hedi Berriche <hedi.berriche@hpe.com> Cc: Justin Ernst <justin.ernst@hpe.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <russ.anderson@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: https://lkml.kernel.org/r/20190910145839.895739629@stormcage.eag.rdlabs.hpecorp.net Signed-off-by: Ingo Molnar <mingo@kernel.org>
* treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156Thomas Gleixner2019-05-301-14/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 59 temple place suite 330 boston ma 02111 1307 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 1334 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070033.113240726@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Merge branch 'x86-uv-for-linus' of ↵Linus Torvalds2019-03-071-5/+0
|\ | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 UV updates from Ingo Molnar: "Three UV related cleanups" * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/platform/UV: Use efi_enabled() instead of test_bit() x86/platform/UV: Remove uv_bios_call_reentrant() x86/platform/UV: Remove unnecessary #ifdef CONFIG_EFI
| * x86/platform/UV: Remove uv_bios_call_reentrant()Hedi Berriche2019-02-151-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | uv_bios_call_reentrant() has no callers nor is it exported, remove it. Cleanup, no functional changes. Signed-off-by: Hedi Berriche <hedi.berriche@hpe.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Russ Anderson <rja@hpe.com> Reviewed-by: Dimitri Sivanich <sivanich@hpe.com> Reviewed-by: Mike Travis <mike.travis@hpe.com> Cc: Andy Shevchenko <andy@infradead.org> Cc: Bhupesh Sharma <bhsharma@redhat.com> Cc: Darren Hart <dvhart@infradead.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-efi <linux-efi@vger.kernel.org> Cc: platform-driver-x86@vger.kernel.org Cc: Steve Wahl <steve.wahl@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190213193413.25560-3-hedi.berriche@hpe.com
| * x86/platform/UV: Remove unnecessary #ifdef CONFIG_EFIHedi Berriche2019-02-151-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | CONFIG_EFI is implied by CONFIG_X86_UV and x86/platform/uv/bios_uv.c requires the latter, get rid of the redundant #ifdef CONFIG_EFI directives. Cleanup, no functional changes. Signed-off-by: Hedi Berriche <hedi.berriche@hpe.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Russ Anderson <rja@hpe.com> Reviewed-by: Dimitri Sivanich <sivanich@hpe.com> Reviewed-by: Mike Travis <mike.travis@hpe.com> Cc: Andy Shevchenko <andy@infradead.org> Cc: Bhupesh Sharma <bhsharma@redhat.com> Cc: Darren Hart <dvhart@infradead.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-efi <linux-efi@vger.kernel.org> Cc: platform-driver-x86@vger.kernel.org Cc: Steve Wahl <steve.wahl@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190213193413.25560-2-hedi.berriche@hpe.com
* | x86/platform/UV: Use efi_runtime_lock to serialise BIOS callsHedi Berriche2019-02-151-1/+7
|/ | | | | | | | | | | | | | | | | | | | | | | | | Calls into UV firmware must be protected against concurrency, expose the efi_runtime_lock to the UV platform, and use it to serialise UV BIOS calls. Signed-off-by: Hedi Berriche <hedi.berriche@hpe.com> Signed-off-by: Borislav Petkov <bp@suse.de> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Russ Anderson <rja@hpe.com> Reviewed-by: Dimitri Sivanich <sivanich@hpe.com> Reviewed-by: Mike Travis <mike.travis@hpe.com> Cc: Andy Shevchenko <andy@infradead.org> Cc: Bhupesh Sharma <bhsharma@redhat.com> Cc: Darren Hart <dvhart@infradead.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: linux-efi <linux-efi@vger.kernel.org> Cc: platform-driver-x86@vger.kernel.org Cc: stable@vger.kernel.org # v4.9+ Cc: Steve Wahl <steve.wahl@hpe.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: x86-ml <x86@kernel.org> Link: https://lkml.kernel.org/r/20190213193413.25560-5-hedi.berriche@hpe.com
* x86/platform/UV: Fix problem with UV4 BIOS providing incorrect PXM valuesMike Travis2016-08-101-2/+3
| | | | | | | | | | | | | | | | | | | | | | There are some circumstances where the UV4 BIOS cannot provide the correct Proximity Node values to associate with specific Sockets and Physical Nodes. The decision was made to remove these values from BIOS and for the kernel to get these values from the standard ACPI tables. Tested-by: Frank Ramsay <framsay@sgi.com> Tested-by: John Estabrook <estabrook@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Reviewed-by: Dimitri Sivanich <sivanich@sgi.com> Reviewed-by: Nathan Zimmer <nzimmer@sgi.com> Cc: Alex Thorlton <athorlton@sgi.com> Cc: Andrew Banman <abanman@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <rja@sgi.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20160801184050.414210079@asylum.americas.sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* x86/platform/UV: Add obtaining GAM Range Table from UV BIOSMike Travis2016-05-041-2/+57
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | UV4 uses a GAM (globally addressed memory) architecture that supports variable sized memory per node. This replaces the old "M" value (number of address bits per node) with a range table for conversions between addresses and physical node (pnode) id's. This table is obtained from UV BIOS via the EFI UVsystab table. Support for older EFI UVsystab tables is maintained. Tested-by: Dimitri Sivanich <sivanich@sgi.com> Tested-by: John Estabrook <estabrook@sgi.com> Tested-by: Gary Kroening <gfk@sgi.com> Tested-by: Nathan Zimmer <nzimmer@sgi.com> Signed-off-by: Mike Travis <travis@sgi.com> Cc: Andrew Banman <abanman@sgi.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Len Brown <len.brown@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Russ Anderson <rja@sgi.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/20160429215405.329827545@asylum.americas.sgi.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
* Merge branch 'x86-uv-for-linus' of ↵Linus Torvalds2010-02-281-3/+4
|\ | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, uv: Remove recursion in uv_heartbeat_enable() x86, uv: uv_global_gru_mmr_address() macro fix x86, uv: Add serial number parameter to uv_bios_get_sn_info()
| * x86, uv: Add serial number parameter to uv_bios_get_sn_info()Russ Anderson2009-12-171-3/+4
| | | | | | | | | | | | | | | | | | | | Add system_serial_number to the information returned by uv_bios_get_sn_info() UV BIOS call. Signed-off-by: Russ Anderson <rja@sgi.com> LKML-Reference: <20091217165323.GA30774@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* | x86, uv: Update UV arch to target Legacy VGA I/O correctly.Mike Travis2010-02-051-1/+3
|/ | | | | | | | | | | | | | | Add function to direct Legacy VGA I/O traffic to correct I/O Hub. Signed-off-by: Mike Travis <travis@sgi.com> LKML-Reference: <201002022238.o12McEbi018727@imap1.linux-foundation.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Robin Holt <holt@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Cc: David Airlie <airlied@linux.ie> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: uv: update XPC to handle updated BIOS interfaceRobin Holt2009-12-161-10/+1
| | | | | | | | | | | | | | | | | The UV BIOS has moved the location of some of their pointers to the "partition reserved page" from memory into a uv hub MMR. The GRU does not support bcopy operations from MMR space so we need to special case the MMR addresses using VLOAD operations. Additionally, the BIOS call for registering a message queue watchlist has removed the 'blade' value and eliminated the structure that was being passed in. This is also reflected in this patch. Signed-off-by: Robin Holt <holt@sgi.com> Cc: Jack Steiner <steiner@sgi.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* sgi-xp: xpc needs to pass the physical address, not virtualRuss Anderson2008-12-161-1/+1
| | | | | | | | | | | | | | Impact: fix crash xpc needs to pass the physical address, not virtual. Testing uncovered this problem. The virtual address happens to work most of the time due to the way bios was masking off the node bits. Passing the physical address makes it work all of the time. Signed-off-by: Russ Anderson <rja@sgi.com> Acked-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* x86: uv: Add UV reserved page bios callRuss Anderson2008-11-051-1/+4
| | | | | | | Add UV bios call to get the address of the reserved page. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: uv: Add UV memory protection bios callRuss Anderson2008-11-051-1/+9
| | | | | | | Add UV bios call to change memory protections. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: uv: Add UV watchlist bios callRuss Anderson2008-11-051-1/+16
| | | | | | | Add UV bios calls to allocate and free watchlists. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* Merge commit 'v2.6.28-rc2' into x86/uvIngo Molnar2008-10-271-3/+3
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* x86: drop double underscores from header guardsH. Peter Anvin2008-10-231-3/+3
| | | | | | | Drop double underscores from header guards in arch/x86/include. They are used inconsistently, and are not necessary. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86: Fix ASM_X86__ header guardsH. Peter Anvin2008-10-221-3/+3
| | | | | | | | | Change header guards named "ASM_X86__*" to "_ASM_X86_*" since: a. the double underscore is ugly and pointless. b. no leading underscore violates namespace constraints. Signed-off-by: H. Peter Anvin <hpa@zytor.com>
* x86, um: ... and asm-x86 moveAl Viro2008-10-221-0/+94
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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