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Groups > linux.kernel > #1239215
| From | Vlad Zolotarov <vladz@cloudius-systems.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 0/3] uio: add MSI/MSI-X support to uio_pci_generic driver |
| Date | 2015-10-04 22:50 +0200 |
| Message-ID | <qfYoi-2RY-19@gated-at.bofh.it> (permalink) |
| References | <qfYoi-2RY-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
This is the same v3 but with the correct email address of Greg. In the first iteration the first letter of the email was missing... ;) On 10/04/15 23:43, Vlad Zolotarov wrote: > This series add support for MSI and MSI-X interrupts to uio_pci_generic driver. > > Currently uio_pci_generic supports only legacy INT#x interrupts source. However > there are situations when this is not enough, for instance SR-IOV VF devices that > simply don't have INT#x capability. For such devices uio_pci_generic will simply > fail (more specifically probe() will fail). > > When IOMMU is either not available (e.g. Amazon EC2) or not acceptable due to performance > overhead and thus VFIO is not an option users that develop user-space drivers are left > without any option but to develop some proprietary UIO drivers (e.g. igb_uio driver in Intel's > DPDK) just to be able to use UIO infrastructure. > > This series provides a generic solution for this problem while preserving the original behaviour > for devices for which the original uio_pci_generic had worked before (i.e. INT#x will be used by default). > > New in v3: > - Add __iomem qualifier to temp buffer receiving ioremap value. > > New in v2: > - Added #include <linux/uaccess.h> to uio_pci_generic.c > > Vlad Zolotarov (3): > uio: add ioctl support > uio_pci_generic: add MSI/MSI-X support > Documentation: update uio-howto > > Documentation/DocBook/uio-howto.tmpl | 29 ++- > drivers/uio/uio.c | 15 ++ > drivers/uio/uio_pci_generic.c | 410 +++++++++++++++++++++++++++++++++-- > include/linux/uio_driver.h | 3 + > include/linux/uio_pci_generic.h | 36 +++ > 5 files changed, 467 insertions(+), 26 deletions(-) > create mode 100644 include/linux/uio_pci_generic.h > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH v3 0/3] uio: add MSI/MSI-X support to uio_pci_generic driver Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-04 22:50 +0200
[PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-04 22:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 05:20 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 09:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 11:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 12:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Avi Kivity <avi@scylladb.com> - 2015-10-05 13:10 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 15:10 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 13:10 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 13:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Avi Kivity <avi@scylladb.com> - 2015-10-05 13:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 14:00 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Avi Kivity <avi@scylladb.com> - 2015-10-05 10:30 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 11:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Avi Kivity <avi@scylladb.com> - 2015-10-05 12:30 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Stephen Hemminger <stephen@networkplumber.org> - 2015-10-05 10:50 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 11:10 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 12:10 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-05 22:20 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 11:20 +0200
Re: [PATCH v3 2/3] uio_pci_generic: add MSI/MSI-X support "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-05 21:20 +0200
Re: [PATCH v3 0/3] uio: add MSI/MSI-X support to uio_pci_generic driver Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-04 22:50 +0200
Re: [PATCH v3 1/3] uio: add ioctl support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 05:10 +0200
Re: [PATCH v3 1/3] uio: add ioctl support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 09:40 +0200
Re: [PATCH v3 1/3] uio: add ioctl support Greg KH <gregkh@linuxfoundation.org> - 2015-10-05 11:50 +0200
Re: [PATCH v3 1/3] uio: add ioctl support Vlad Zolotarov <vladz@cloudius-systems.com> - 2015-10-05 12:40 +0200
Re: [PATCH v3 1/3] uio: add ioctl support "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-05 22:10 +0200
Re: [PATCH v3 1/3] uio: add ioctl support "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-06 00:30 +0200
Re: [PATCH v3 0/3] uio: add MSI/MSI-X support to uio_pci_generic driver "Michael S. Tsirkin" <mst@redhat.com> - 2015-10-05 22:00 +0200
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