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  1. 10 Sep, 2012 1 commit
  3. 24 Feb, 2012 1 commit
  5. 06 Dec, 2011 1 commit
  7. 31 Oct, 2011 2 commits
  9. 14 Oct, 2011 3 commits
  11. 12 Apr, 2011 1 commit
  13. 04 Mar, 2011 1 commit
    • Narendra_K@Dell.com's avatar
      PCI: Export ACPI _DSM provided firmware instance number and string name to sysfs · 6058989b
      Narendra_K@Dell.com authored 
      

This patch exports ACPI _DSM (Device Specific Method) provided firmware
instance number and string name of PCI devices as defined by 'PCI
Firmware Specification Revision 3.1' section 4.6.7.( DSM for Naming a
PCI or PCI Express Device Under Operating Systems) to sysfs.

New files created are:
  /sys/bus/pci/devices/.../label which contains the firmware name for
the device in question, and
  /sys/bus/pci/devices/.../acpi_index which contains the firmware device type
instance for the given device.

cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/acpi_index
1
cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/label
Embedded Broadcom 5709C NIC 1

cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.1/acpi_index
2
cat /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.1/label
Embedded Broadcom 5709C NIC 2

The ACPI _DSM provided firmware 'instance number' and 'string name' will
be given priority if the firmware also provides 'SMBIOS type 41 device
type instance and string'.
Signed-off-by: default avatarMatthew Garrett <mjg@redhat.com>
Signed-off-by: default avatarJordan Hargrave <jordan_hargrave@dell.com>
Signed-off-by: default avatarNarendra K <narendra_k@dell.com>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
      6058989b
  15. 05 Jan, 2011 1 commit
  17. 18 Oct, 2010 1 commit
  19. 11 May, 2010 1 commit
  21. 23 Feb, 2010 1 commit
  23. 04 Nov, 2009 2 commits
  25. 20 Mar, 2009 1 commit
  27. 07 Jan, 2009 1 commit
    • Chris Wright's avatar
      PCI: pci-stub module to reserve pci device · c70e0d9d
      Chris Wright authored 
      

When doing device assignment with KVM there's currently nothing to
protect the device from having a driver in the host as well as the guest.
This trivial module just binds the pci device on the host to a stub
driver so that a real host driver can't bind to the device.  It has no
pci id table, it supports only dynamic ids.

 # echo "8086 10f5" > /sys/bus/pci/drivers/pci-stub/new_id
 # echo -n 0000:00:19.0 > /sys/bus/pci/drivers/e1000e/unbind
 # echo -n 0000:00:19.0 > /sys/bus/pci/drivers/pci-stub/bind
 # ls -l /sys/bus/pci/devices/0000:00:19.0/driver
 lrwxrwxrwx 1 root root 0 2008-11-25 19:10 /sys/bus/pci/devices/0000:00:19.0/driver -> ../../../bus/pci/drivers/pci-stub

Cc: "Kay, Allen M" <allen.m.kay@intel.com>
Cc: "Nakajima, Jun" <jun.nakajima@intel.com>
Signed-off-by: default avatarChris Wright <chrisw@sous-sol.org>
Acked-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: default avatarJesse Barnes <jbarnes@virtuousgeek.org>
      c70e0d9d
  29. 05 Nov, 2007 1 commit
  31. 03 May, 2007 2 commits
  33. 11 Feb, 2007 1 commit
    • David S. Miller's avatar
      [SPARC64]: Add PCI MSI support on Niagara. · 35a17eb6
      David S. Miller authored 
      

This is kind of hokey, we could use the hardware provided facilities
much better.

MSIs are assosciated with MSI Queues.  MSI Queues generate interrupts
when any MSI assosciated with it is signalled.  This suggests a
two-tiered IRQ dispatch scheme:

	MSI Queue interrupt --> queue interrupt handler
		MSI dispatch --> driver interrupt handler

But we just get one-level under Linux currently.  What I'd like to do
is possibly stick the IRQ actions into a per-MSI-Queue data structure,
and dispatch them form there, but the generic IRQ layer doesn't
provide a way to do that right now.

So, the current kludge is to "ACK" the interrupt by processing the
MSI Queue data structures and ACK'ing them, then we run the actual
handler like normal.

We are wasting a lot of useful information, for example the MSI data
and address are provided with ever MSI, as well as a system tick if
available.  If we could pass this into the IRQ handler it could help
with certain things, in particular for PCI-Express error messages.

The MSI entries on sparc64 also tell you exactly which bus/device/fn
sent the MSI, which would be great for error handling when no
registered IRQ handler can service the interrupt.

We override the disable/enable IRQ chip methods in sun4v_msi, so we
have to call {mask,unmask}_msi_irq() directly from there.  This is
another ugly wart.
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
      35a17eb6
  35. 05 Jan, 2007 1 commit
  37. 01 Dec, 2006 1 commit
  39. 30 Nov, 2006 2 commits
  41. 03 Nov, 2006 1 commit
    • Adrian Bunk's avatar
      PCI: Let PCI_MULTITHREAD_PROBE depend on BROKEN · bb44c308
      Adrian Bunk authored 
      

PCI_MULTITHREAD_PROBE is an interesting feature, but in its current state
it seems to be more of a trap for users who accidentally enable it.

This patch lets PCI_MULTITHREAD_PROBE depend on BROKEN for 2.6.19.

The intention is to get this patch reversed in -mm as soon as it's in
Linus' tree, and reverse it for 2.6.20 or 2.6.21 after the fallout of
in-kernel problems PCI_MULTITHREAD_PROBE causes got fixed.

(akpm: I get enough bug reports already)
Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      bb44c308
  43. 11 Oct, 2006 1 commit
    • Adrian Bunk's avatar
      [PATCH] HT_IRQ must depend on PCI · fbab41cc
      Adrian Bunk authored 
      

CONFIG_PCI=n, CONFIG_HT_IRQ=y results in the following compile error:

...
  LD      vmlinux
arch/i386/mach-generic/built-in.o: In function `apicid_to_node':
summit.c:(.text+0x53): undefined reference to `apicid_2_node'
arch/i386/kernel/built-in.o: In function `arch_setup_ht_irq':
(.text+0xcf79): undefined reference to `write_ht_irq_low'
arch/i386/kernel/built-in.o: In function `arch_setup_ht_irq':
(.text+0xcf85): undefined reference to `write_ht_irq_high'
arch/i386/kernel/built-in.o: In function `k7nops':
alternative.c:(.data+0x1358): undefined reference to `mask_ht_irq'
alternative.c:(.data+0x1360): undefined reference to `unmask_ht_irq'
make[1]: *** [vmlinux] Error 1

Bug report by Jesper Juhl.
Signed-off-by: default avatarAdrian Bunk <bunk@stusta.de>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      fbab41cc
  45. 04 Oct, 2006 2 commits
    • Eric W. Biederman's avatar
      [PATCH] htirq: tidy up the htirq code · 95d77884
      Eric W. Biederman authored 
      

This moves the declarations for the architecture helpers into
include/linux/htirq.h from the generic include/linux/pci.h.  Hopefully this
will make this distinction clearer.

htirq.h is included where it is needed.

The dependency on the msi code is fixed and removed.

The Makefile is tidied up.
Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Andi Kleen <ak@suse.de>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Greg KH <greg@kroah.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      95d77884
    • Eric W. Biederman's avatar
      [PATCH] Initial generic hypertransport interrupt support · 8b955b0d
      Eric W. Biederman authored 
      

This patch implements two functions ht_create_irq and ht_destroy_irq for
use by drivers.  Several other functions are implemented as helpers for
arch specific irq_chip handlers.

The driver for the card I tested this on isn't yet ready to be merged.
However this code is and hypertransport irqs are in use in a few other
places in the kernel.  Not that any of this will get merged before 2.6.19

Because the ipath-ht400 is slightly out of spec this code will need to be
generalized to work there.

I think all of the powerpc uses are for a plain interrupt controller in a
chipset so support for native hypertransport devices is a little less
interesting.

However I think this is a half way decent model on how to separate arch
specific and generic helper code, and I think this is a functional model of
how to get the architecture dependencies out of the msi code.

[akpm@osdl.org: Kconfig fix]
Signed-off-by: default avatarEric W. Biederman <ebiederm@xmission.com>
Cc: Greg KH <greg@kroah.com>
Cc: Andi Kleen <ak@muc.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
      8b955b0d
  47. 26 Sep, 2006 1 commit
    • Greg Kroah-Hartman's avatar
      PCI: enable driver multi-threaded probe · 0f397f86
      Greg Kroah-Hartman authored 
      

This provides a build and run-time option to turn on multhreaded probe
for all PCI drivers.  It can cause bad problems on multi-processor
machines that take a while to find their root disks, and play havoc on
machines that don't use persistant device names for block or network
devices.

But it can cause speedups on some machines, my tiny laptop's boot goes
up by 0.4 seconds, and my desktop boots up several seconds faster.

Use at your own risk!!!
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
      0f397f86
  49. 23 Mar, 2006 2 commits
  51. 08 Sep, 2005 1 commit
  53. 16 Apr, 2005 1 commit
    • Linus Torvalds's avatar
      Linux-2.6.12-rc2 · 1da177e4
      Linus Torvalds authored 
      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!
      1da177e4