cvs commit: src/sys/amd64/amd64 local_apic.c mptable_pci.c msi.c nexus.c src/sys/amd64/include apicvar.h intr_machdep.h src/sys/amd64/pci pci_bus.c src/sys/conf files.amd64 files.i386 src/sys/i386/i386 local_apic.c mptable_pci.c msi.c nexus.c ...

[Jack Vogel]

WOOOOOT, awesome, thanks John. BTW, have this code up and
running here also now, will be new features that build on it forthcoming.

Jack


On 11/13/06, John Baldwin <jhb at freebsd.org> wrote:
> jhb         2006-11-13 22:23:34 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/amd64/amd64      local_apic.c mptable_pci.c nexus.c
>     sys/amd64/include    apicvar.h intr_machdep.h
>     sys/amd64/pci        pci_bus.c
>     sys/conf             files.amd64 files.i386
>     sys/i386/i386        local_apic.c mptable_pci.c nexus.c
>     sys/i386/include     apicvar.h intr_machdep.h
>     sys/i386/pci         pci_bus.c
>   Added files:
>     sys/amd64/amd64      msi.c
>     sys/i386/i386        msi.c
>   Log:
>   MD support for PCI Message Signalled Interrupts on amd64 and i386:
>   - Add a new apic_alloc_vectors() method to the local APIC support code
>     to allocate N contiguous IDT vectors (aligned on a M >= N boundary).
>     This function is used to allocate IDT vectors for a group of MSI
>     messages.
>   - Add MSI and MSI-X PICs.  The PIC code here provides methods to manage
>     edge-triggered MSI messages as x86 interrupt sources.  In addition to
>     the PIC methods, msi.c also includes methods to allocate and release
>     MSI and MSI-X messages.  For x86, we allow for up to 128 different
>     MSI IRQs starting at IRQ 256 (IRQs 0-15 are reserved for ISA IRQs,
>     16-254 for APIC PCI IRQs, and IRQ 255 is reserved).
>   - Add pcib_(alloc|release)_msi[x]() methods to the MD x86 PCI bridge
>     drivers to bubble the request up to the nexus driver.
>   - Add pcib_(alloc|release)_msi[x]() methods to the x86 nexus drivers that
>     ask the MSI PIC code to allocate resources and IDT vectors.
>
>   MFC after:      2 months
>
>   Revision  Changes    Path
>   1.33      +62 -0     src/sys/amd64/amd64/local_apic.c
>   1.5       +8 -0      src/sys/amd64/amd64/mptable_pci.c
>   1.1       +511 -0    src/sys/amd64/amd64/msi.c (new)
>   1.70      +53 -0     src/sys/amd64/amd64/nexus.c
>   1.20      +1 -0      src/sys/amd64/include/apicvar.h
>   1.12      +17 -4     src/sys/amd64/include/intr_machdep.h
>   1.118     +4 -0      src/sys/amd64/pci/pci_bus.c
>   1.99      +1 -0      src/sys/conf/files.amd64
>   1.571     +1 -0      src/sys/conf/files.i386
>   1.35      +62 -0     src/sys/i386/i386/local_apic.c
>   1.5       +8 -0      src/sys/i386/i386/mptable_pci.c
>   1.1       +511 -0    src/sys/i386/i386/msi.c (new)
>   1.65      +62 -0     src/sys/i386/i386/nexus.c
>   1.20      +1 -0      src/sys/i386/include/apicvar.h
>   1.14      +17 -4     src/sys/i386/include/intr_machdep.h
>   1.124     +8 -0      src/sys/i386/pci/pci_bus.c
>