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2007-07-11[IA64] add sn_register_pmi_handler oemcallDean Nelson1-0/+20
Add wrapper function to make SN_SAL_REGISTER_PMI_HANDLER ia64_sal_oemcall. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-06-26[IA64] change sh_change_coherence oemcall to use nolockDean Nelson1-2/+2
Change sn_change_coherence's ia64_sal_oemcall to the nolock variety since PROM does the locking for this function internally. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2007-05-08[IA64] - Altix: hotplug after intr redirect can crash systemJohn Keller1-0/+1
When redirecting a device interrupt on SN, not all links between platform specific structures are being updated. This can result in a system crash if an interrupt redirection is followed by an unplug of that device. The complete fix also requires a prom update. Though, this patch is backward compatable and not dependent on the prom patch. Signed-off-by: John Keller <jpk@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-12-07[IA64] IA64 Kexec/kdumpZou Nan hai1-0/+9
Changes and updates. 1. Remove fake rendz path and related code according to discuss with Khalid Aziz. 2. fc.i offset fix in relocate_kernel.S. 3. iospic shutdown code eoi and mask race fix from Fujitsu. 4. Warm boot hook in machine_kexec to SN SAL code from Jack Steiner. 5. Send slave to SAL slave loop patch from Jay Lan. 6. Kdump on non-recoverable MCA event patch from Jay Lan 7. Use CTL_UNNUMBERED in kdump_on_init sysctl. Signed-off-by: Zou Nan hai <nanhai.zou@intel.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-12-01Altix: Add initial ACPI IO supportJohn Keller1-0/+1
First phase in introducing ACPI support to SN. In this phase, when running with an ACPI capable PROM, the DSDT will define the root busses and all SN nodes (SGIHUB, SGITIO). An ACPI bus driver will be registered for the node devices, with the acpi_pci_root_driver being used for the root busses. An ACPI vendor descriptor is now used to pass platform specific information for both nodes and busses, eliminating the need for the current SAL calls. Also, with ACPI support, SN fixup code is no longer needed to initiate the PCI bus scans, as the acpi_pci_root_driver does that. However, to maintain backward compatibility with non-ACPI capable PROMs, none of the current 'fixup' code can been deleted, though much restructuring has been done. For example, the bulk of the code in io_common.c is relocated code that is now common regardless of what PROM is running, while io_acpi_init.c and io_init.c contain routines specific to an ACPI or non ACPI capable PROM respectively. A new pci bus fixup platform vector has been created to provide a hook for invoking platform specific bus fixup from pcibios_fixup_bus(). The size of io_space[] has been increased to support systems with large IO configurations. Signed-off-by: John Keller <jpk@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2006-08-29[IA64] remove redundant local_irq_save() calls from sn_sal.hRuss Anderson1-6/+0
sn_change_memprotect() does a local_irq_save() then calls ia64_sal_oemcall_nolock() which calls SAL_CALL_NOLOCK() which also does a local_irq_save(). This patch removes the redundant local_irq_save() and local_irq_restore() calls in sn_change_memprotect() and sn_inject_error(). Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-06-28[IA64-SGI] - Pass OS logical cpu number to the SN prom (bios)Jack Steiner1-0/+10
Pass the OS logical cpu number to the PROM. This allows PROM to log the OS logical cpu number in error records viewed thru POD. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-06-21[IA64-SGI] Remove SN SAL error handling feature bit that is no longer neededRuss Anderson1-1/+1
Due to improvements in linux & SAL MCA handling, the SAL_ERR_FEAT_MCA_SLV_TO_OS_INIT_SLV error handling features bit is no longer needed. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-04-29Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6David Woodhouse1-3/+14
2006-04-26Don't include linux/config.h from anywhere else in include/David Woodhouse1-1/+0
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
2006-04-20[IA64-SGI] SN SAL call to inject memory errorsRuss Anderson1-0/+13
The SGI Altix SAL provides an interface for modifying the ECC on memory to create memory errors. The SAL call can be used to inject memory errors for testing MCA recovery code. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-04-20[IA64] Remove unused variable in sn_sal.hRuss Anderson1-3/+1
cnodeid was being set but not used. The dead code was left over from a previous version that grabbed a per node lock. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-03-26[PATCH] EFI: keep physical table addresses in efi structureBjorn Helgaas1-1/+1
Almost all users of the table addresses from the EFI system table want physical addresses. So rather than doing the pa->va->pa conversion, just keep physical addresses in struct efi. This fixes a DMI bug: the efi structure contained the physical SMBIOS address on x86 but the virtual address on ia64, so dmi_scan_machine() used ioremap() on a virtual address on ia64. This is essentially the same as an earlier patch by Matt Tolentino: http://marc.theaimsgroup.com/?l=linux-kernel&m=112130292316281&w=2 except that this changes all table addresses, not just ACPI addresses. Matt's original patch was backed out because it caused MCAs on HP sx1000 systems. That problem is resolved by the ioremap() attribute checking added for ia64. Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com> Cc: Matt Domsch <Matt_Domsch@dell.com> Cc: "Tolentino, Matthew E" <matthew.e.tolentino@intel.com> Cc: "Brown, Len" <len.brown@intel.com> Cc: Andi Kleen <ak@muc.de> Acked-by: "Luck, Tony" <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-25Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6Linus Torvalds1-11/+15
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6: [IA64] New IA64 core/thread detection patch [IA64] Increase max node count on SN platforms [IA64] Increase max node count on SN platforms [IA64] Increase max node count on SN platforms [IA64] Increase max node count on SN platforms [IA64] Tollhouse HP: IA64 arch changes [IA64] cleanup dig_irq_init [IA64] MCA recovery: kernel context recovery table IA64: Use early_parm to handle mvec_name and nomca [IA64] move patchlist and machvec into init section [IA64] add init declaration - nolwsys [IA64] add init declaration - gate page functions [IA64] add init declaration to memory initialization functions [IA64] add init declaration to cpu initialization functions [IA64] add __init declaration to mca functions [IA64] Ignore disabled Local SAPIC Affinity Structure in SRAT [IA64] sn_check_intr: use ia64_get_irr() [IA64] fix ia64 is_hugepage_only_range
2006-03-24[IA64] Tollhouse HP: IA64 arch changesPrarit Bhargava1-11/+15
arch/ia64/sn and include/asm-ia64/sn changes required to support Tollhouse system PCI hotplug, fixes the ia64_sn_sysctl_ioboard_get call, and introduces the PRF_HOTPLUG_SUPPORT feature bit. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-03-24[PATCH] s/;;/;/gAlexey Dobriyan1-1/+1
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-01-16[IA64] Cleanup of arch/ia64/sn and include/asm-ia64/snPrarit Bhargava1-6/+6
Replace uintX_t declarations with uX declarations. Replace intX_t declarations with sX declarations. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-01-13[IA64-SGI] Fix sn_flush_device_kernel & spinlock initializationPrarit Bhargava1-1/+2
This patch separates the sn_flush_device_list struct into kernel and common (both kernel and PROM accessible) structures. As it was, if the size of a spinlock_t changed (due to additional CONFIG options, etc.) the sal call which populated the sn_flush_device_list structs would erroneously write data (and cause memory corruption and/or a panic). This patch does the following: 1. Removes sn_flush_device_list and adds sn_flush_device_common and sn_flush_device_kernel. 2. Adds a new SAL call to populate a sn_flush_device_common struct per device, not per widget as previously done. 3. Correctly initializes each device's sn_flush_device_kernel spinlock_t struct (before it was only doing each widget's first device). Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2006-01-13[IA64-SGI] Altix BTE error handling fixesRuss Anderson1-1/+1
Altix (shub2) pushes the BTE clean-up into SAL. This patch correctly interfaces with the now implemented SAL call. It also fixes a bug when delaying clean-up to allow busy BTEs to complete (or error out). Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-11-21[IA64-SGI] support for older versions of PROMJack Steiner1-0/+34
Add support for old versions of the SN PROMs. Eventually this support will be deleted but it is useful right now to continue supporting older PROMs. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-10-28Pull remove-sn-bist-lock into release branchTony Luck1-2/+0
2005-10-28Pull define-node-cleanup into release branchTony Luck1-11/+1
2005-10-28Pull sn_pci_legacy_read-write into release branchTony Luck1-1/+1
2005-10-28Pull altix-fpga-reset into release branchTony Luck1-0/+43
2005-10-04[IA64-SGI] Remove references to the SN bist_lockDean Roe1-2/+0
Remove all references to the bist_lock in the SN code as it is not used for anything. Signed-off-by: Dean Roe <roe@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-09-23[IA64-SGI] fix sn_pci_legacy_read/fix sn_pci_legacy_writeMark Maule1-1/+1
This patch adds a #define for SN_SAL_IOIF_PCI_SAFE and makes that the preferred method of implementing sn_pci_legacy_read() and sn_pci_legacy_write(). This SAL call has been present in SGI proms since version 4.10. If the SN_SAL_IOIF_PCI_SAFE call fails, revert to the previous code for compatability with older proms. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-09-15[IA64] Cleanup use of various #defines related to nodesJack Steiner1-11/+1
Some of the SN code & #defines related to compact nodes & IO discovery have gotten stale over the years. This patch attempts to clean them up. Some of the various SN MAX_xxx #defines were also unclear & misused. The primary changes are: - use MAX_NUMNODES. This is the generic linux #define for the number of nodes that are known to the generic kernel. Arrays & loops for constructs that are 1:1 with linux-defined nodes should use the linux #define - not an SN equivalent. - use MAX_COMPACT_NODES for MAX_NUMNODES + NUM_TIOS. This is the number of nodes in the SSI system. Compact nodes are a hack to get around the IA64 architectural limit of 256 nodes. Large SGI systems have more than 256 nodes. When we upgrade to ACPI3.0, I _hope_ that all nodes will be real nodes that are known to the generic kernel. That will allow us to delete the notion of "compact nodes". - add MAX_NUMALINK_NODES for the total number of nodes that are in the numalink domain - all partitions. - simplified (understandable) scan_for_ionodes() - small amount of cleanup related to cnodes Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-09-11Pull sn-features into release branchTony Luck1-9/+27
2005-09-06[IA64] Altix patch for fpga resetBruce Losure1-0/+43
1) workaround a h/w reset issue 2) to improve the determination of FPGA-based h/w in the arch/ia64/sn/kernel/tiocx code. Signed-off-by: Bruce Losure <blosure@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-08-31[IA64-SGI] Add new vendor-specific SAL calls for:Jack Steiner1-9/+27
- notifying the PROM of specific features that are supported by the OS. This is used to enable PROM feature if and only if the corresponding feature is implemented in the OS - fetch feature sets that are supported by the current PROM. This allows the OS to selectively enable features when the PROM support is available. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-08-24[IA64] SGI SN remove redundant partition SAL callRuss Anderson1-48/+0
Clean up of SGI SN partitioning related code. The SN_SAL_GET_SN_INFO SAL call returns the partition ID, making the SN_SAL_SYSCTL_PARTITION_GET SAL call redundant. Remove sn_partid and use sn_partition_id. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-08-24[IA64] - SGI SN hwperf enhancements - export_pci_topologyMark Goodwin1-5/+4
Bugfix to export PCI topology information in /proc/sgi_sn/sn_topology. Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-08-17[IA64-SGI] - New SN hardware support - cpu_relaxJack Steiner1-1/+2
Add a few missing calls to "hint @pause". Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-07-06[IA64] hotplug/ia64: SN Hotplug Driver - new SN PROM version codePrarit Bhargava1-27/+12
This patch is a rewrite of the code to check the PROM version. The current code has some deficiences in the way PROM comparisons were made. The minimum value of PROM that will boot has also been changed to 4.04. Signed-off-by: Prarit Bhargava <prarit@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-06-28[IA64-SGI] - new macros for SGI SN simulator Jack Steiner1-0/+10
This patch changes some macros that are used when running kernel on the SGI simulator. Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-05-17[IS64-SGI] Set Altix error handling featuresRuss Anderson1-0/+26
The 2.6 kernel has CPE error thresholding. This patch lets SAL know of this error handling feature. The changes are SN specific. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-05-17[IA64-SGI] Make Altix SAL call to POD reentrantRuss Anderson1-1/+1
Change the SAL call for POD mode to be reentrant. This change is SN specific. Signed-off-by: Russ Anderson (rja@sgi.com) Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-05-04[IA64-SGI] convert some sn SAL_CALLs to ia64_sal_oemcall callsDean Nelson1-19/+46
Convert some sn SAL_CALLs to ia64_sal_oemcall calls so that they can be called by kernel modules. Signed-off-by: Dean Nelson <dcn@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-25[IA64] Altix system controller event handlingGreg Howard1-0/+14
The following is an update of the patch I sent yesterday (3/9/05) incorporating suggestions from Christoph Hellwig and Andreas Schwab. It allows Altix and Altix-like systems to handle environmental events generated by the system controllers, and should apply on top of Jack Steiner's patch of 3/1/05 ("New chipset support for SN platform") and Mark Goodwin's patch of 3/8/05 ("Altix SN topology support for new chipsets and pci topology"). Signed-off-by: Greg Howard <ghoward@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-25[IA64-SGI] Altix SN add support for slots in geoid_t locatorMark Goodwin1-2/+2
This patch against ia64-test-2.6.12 is needed for forthcoming Altix chipsets. It renames geoid_any_t to geoid_common_t and splits the 8bit 'slab' field into two 4bit fields for 'slab' and 'slot'. Similar changes in the Altix SAL will retain backward compatibility for old kernels. Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-25[IA64-SGI] Shub2 BTE support - BTE recovery codeRuss Anderson1-2/+17
patch 2: Shub2 BTE recovery code will be implemented in SAL. Define the SAL interface. Modify bte_error to call SAL for shub2. Signed-off-by: Russ Anderson <rja@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-25[IA64-SGI] Altix SN topology support for new chipsets and pci topologyMark Goodwin1-0/+11
please accept this patch to the Altix SN platform topology export interface to support new chipsets and to export PCI topology. This follows on top of Jack Steiner's patch dated March 1st ("New chipset support for SN platform"). Signed-off-by: Mark Goodwin <markgw@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-25[IA64-SGI] Change SAL call request code for SN systemsJack Steiner1-1/+1
Change the value of the SAL call number for a new SAL request. The initial implementation in the PROM did not match what the OS expected. Since the OS can run on PROMs that do not implement the new call, changing the call number avoids the issue. New PROMs will implement the new call number. (This avoids problems with the 4.05 PROM). Signed-off-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Tony Luck <tony.luck@intel.com>
2005-04-16Linux-2.6.12-rc2Linus Torvalds1-0/+1015
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
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