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...nt bar, unsigned lon { return NULL; } + +static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, + unsigned long offset, + unsigned long maxlen) +{ + return NULL; +} #endif #endif /* __ASM_GENERIC_IO_H */ diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index 0d83ea8..bcce5f1 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -10,10 +10,11 @@ #ifdef CONFIG_PCI /** - * pci_iomap - create a virtual mapping cookie for a PCI BAR + * pci_iomap_range - create a virtual mapping cookie for a PCI BAR * @dev: PCI device that owns the BAR * @bar: BAR number - *...

...nt bar, unsigned lon { return NULL; } + +static inline void __iomem *pci_iomap_range(struct pci_dev *dev, int bar, + unsigned long offset, + unsigned long maxlen) +{ + return NULL; +} #endif #endif /* __ASM_GENERIC_IO_H */ diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index 0d83ea8..bcce5f1 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -10,10 +10,11 @@ #ifdef CONFIG_PCI /** - * pci_iomap - create a virtual mapping cookie for a PCI BAR + * pci_iomap_range - create a virtual mapping cookie for a PCI BAR * @dev: PCI device that owns the BAR * @bar: BAR number - *...

...gned long minlen, + unsigned long maxlen, + bool force_nocache); /* Create a virtual mapping cookie for a port on a given PCI device. * Do not call this directly, it exists to make it easier for architectures * to override */ diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index 0d83ea8..1ac4def 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -10,33 +10,47 @@ #ifdef CONFIG_PCI /** - * pci_iomap - create a virtual mapping cookie for a PCI BAR + * pci_iomap_range - create a virtual mapping cookie for a PCI BAR * @dev: PCI device that owns the BAR * @bar: BAR number - *...

...gned long minlen, + unsigned long maxlen, + bool force_nocache); /* Create a virtual mapping cookie for a port on a given PCI device. * Do not call this directly, it exists to make it easier for architectures * to override */ diff --git a/lib/pci_iomap.c b/lib/pci_iomap.c index 0d83ea8..1ac4def 100644 --- a/lib/pci_iomap.c +++ b/lib/pci_iomap.c @@ -10,33 +10,47 @@ #ifdef CONFIG_PCI /** - * pci_iomap - create a virtual mapping cookie for a PCI BAR + * pci_iomap_range - create a virtual mapping cookie for a PCI BAR * @dev: PCI device that owns the BAR * @bar: BAR number - *...

Based on Rusty's patches. Coding style and funny jokes are his. Bugs and a star wars reference (should be easy to spot) are mine. Untested, but useful as basis for beginning the qemu work. TODO: = simplify probing: use a common probe function, probe with modern driver first, if that fails - probe with legacy driver. BUGS: ATM legacy driver can win and drive a transitional device

Based on Rusty's patches. Coding style and funny jokes are his. Bugs and a star wars reference (should be easy to spot) are mine. Untested, but useful as basis for beginning the qemu work. TODO: = simplify probing: use a common probe function, probe with modern driver first, if that fails - probe with legacy driver. BUGS: ATM legacy driver can win and drive a transitional device

Changes since v2: handling for devices without config space (e.g. rng) reduce # of mappings for VQs These patches seem to work fine on my virtio-1.0 qemu branch. There haven't been any bugs since v2: just minor cleanups and enhancements. QEMU side is still undergoing polishing, but is already testable. Rusty, what do you think? Let's merge these for 3.20? Also - will you be doing that

Changes since v2: handling for devices without config space (e.g. rng) reduce # of mappings for VQs These patches seem to work fine on my virtio-1.0 qemu branch. There haven't been any bugs since v2: just minor cleanups and enhancements. QEMU side is still undergoing polishing, but is already testable. Rusty, what do you think? Let's merge these for 3.20? Also - will you be doing that

This is on top of 3.19 master + my bugfix patches, and adds virtio 1.0 support to virtio pci. This is 3.20 material I think. Would like to get feedback on s390 change as it's untested. Michael S Tsirkin (2): pci: add pci_iomap_range s390: add pci_iomap_range Michael S. Tsirkin (2): virtio_pci: modern driver virtio_pci: macros for PCI layout offsets. Rusty Russell (1): virtio-pci:

This is on top of 3.19 master + my bugfix patches, and adds virtio 1.0 support to virtio pci. This is 3.20 material I think. Would like to get feedback on s390 change as it's untested. Michael S Tsirkin (2): pci: add pci_iomap_range s390: add pci_iomap_range Michael S. Tsirkin (2): virtio_pci: modern driver virtio_pci: macros for PCI layout offsets. Rusty Russell (1): virtio-pci:

I've renewed this again, with some comments from HPA. I've tried to keep the new patches separate, so you can see the changes since we last discussed this (and so it's easy to back it out if we decide it's insane). I haven't even looked at the QEMU side so this is completely untested. Comments gratefully received! Rusty. Michael S Tsirkin (1): pci: add pci_iomap_range

I've renewed this again, with some comments from HPA. I've tried to keep the new patches separate, so you can see the changes since we last discussed this (and so it's easy to back it out if we decide it's insane). I haven't even looked at the QEMU side so this is completely untested. Comments gratefully received! Rusty. Michael S Tsirkin (1): pci: add pci_iomap_range