Thankx for ur inputs.
Actually i wanted to get IRQ routing table so that i can map the slot number
present in the table which represents the physical slot number on the
motherboard to IRQ number found in the PCI config space.
this is the approach i am trying to follow to obtain the slot number.
correct me if this assumption is wrong.
Is there any alternate way from which the physical slot number on which the
device sits on the motherboard can be obtained ?
TIA
-kiran.
>From: "David C. Hoos, Sr." <[EMAIL PROTECTED]>
>To: "Kiran Kumar V" <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]>
>Subject: Re: IRQ Routing table
>Date: Fri, 14 Apr 2000 10:46:14 -0500
>
>cat /proc/pci on my system yields:
>
>PCI devices found:
> Bus 0, device 0, function 0:
> Host bridge: Intel 440BX - 82443BX Host (rev 3).
> Medium devsel. Master Capable. Latency=64.
> Prefetchable 32 bit memory at 0xe4000000 [0xe4000008].
> Bus 0, device 1, function 0:
> PCI bridge: Intel 440BX - 82443BX AGP (rev 3).
> Medium devsel. Master Capable. Latency=64. Min Gnt=136.
> Bus 0, device 4, function 0:
> ISA bridge: Intel 82371AB PIIX4 ISA (rev 2).
> Medium devsel. Fast back-to-back capable. Master Capable. No
>bursts.
> Bus 0, device 4, function 1:
> IDE interface: Intel 82371AB PIIX4 IDE (rev 1).
> Medium devsel. Fast back-to-back capable. Master Capable.
>Latency=32.
> I/O at 0xd800 [0xd801].
> Bus 0, device 4, function 2:
> USB Controller: Intel 82371AB PIIX4 USB (rev 1).
> Medium devsel. Fast back-to-back capable. IRQ 9. Master Capable.
>Latency=32.
> I/O at 0xd400 [0xd401].
> Bus 0, device 4, function 3:
> Bridge: Intel 82371AB PIIX4 ACPI (rev 2).
> Medium devsel. Fast back-to-back capable.
> Bus 0, device 10, function 0:
> Ethernet controller: 3Com 3C905B 100bTX (rev 48).
> Medium devsel. IRQ 5. Master Capable. Latency=32. Min Gnt=10.Max
>Lat=10.
> I/O at 0xd000 [0xd001].
> Non-prefetchable 32 bit memory at 0xe1000000 [0xe1000000].
> Bus 0, device 11, function 0:
> Ethernet controller: 3Com 3C905B 100bTX (rev 48).
> Medium devsel. IRQ 10. Master Capable. Latency=32. Min
>Gnt=10.Max
>Lat=10.
> I/O at 0xb800 [0xb801].
> Non-prefetchable 32 bit memory at 0xe0800000 [0xe0800000].
> Bus 0, device 12, function 0:
> SCSI storage controller: Adaptec AIC-7881U (rev 1).
> Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable.
>Latency=32. Min Gnt=8.Max Lat=8.
> I/O at 0xb400 [0xb401].
> Non-prefetchable 32 bit memory at 0xe0000000 [0xe0000000].
> Bus 1, device 0, function 0:
> VGA compatible controller: Matrox Matrox G200 AGP (rev 1).
> Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable.
>Latency=64. Min Gnt=16.Max Lat=32.
> Prefetchable 32 bit memory at 0xe3000000 [0xe3000008].
> Non-prefetchable 32 bit memory at 0xe2000000 [0xe2000000].
> Non-prefetchable 32 bit memory at 0xe1800000 [0xe1800000].
>
>
>Does this do what you want?
>
>----- Original Message -----
>From: Kiran Kumar V <[EMAIL PROTECTED]>
>To: <[EMAIL PROTECTED]>
>Sent: Friday, April 14, 2000 10:06 AM
>Subject: IRQ Routing table
>
>
> >
> > Hi!
> > Is there a method to retrieve the PCI interrupt
> > routing options available on the system motherboard ?
> > i need this to find the slot of the PCI-SCSI Controller.
> > Is there any other place ive got to look for pcibios routines other
>than
> > in
> > /linux/arch/i386/kernel/bios32.c
> >
> > TIA
> > -Kiran.
> >
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