From: "Michael S. Tsirkin" <mst@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: Rusty Russell <rusty@rustcorp.com.au>,
virtualization@lists.linux-foundation.org,
cornelia.huck@de.ibm.com
Subject: [PATCH RFC 0/5] virtio_pci: modern driver
Date: Thu, 11 Dec 2014 21:37:22 +0200 [thread overview]
Message-ID: <1418326570-9541-1-git-send-email-mst@redhat.com> (raw)
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
Until this is fixed, to test, disable transitional mode in device
More ideas (optional):
= allow disabling legacy driver
= support shared IRQ for config, read ISR
= allocate VQ ring in chunks, good for large rings
= use less meory for small VQ ring in chunks, good for large rings
General TODOs:
= add config generation support
= move alloc_virtqueue_pages to virtio core, reuse in e.g. ccw
Michael S Tsirkin (1):
pci: add pci_iomap_range
Michael S. Tsirkin (2):
virtio_pci: add VIRTIO_PCI_NO_LEGACY
virtio_pci: modern driver
Rusty Russell (2):
virtio-pci: define layout for virtio 1.0
virtio_pci: macros for PCI layout offsets.
drivers/virtio/virtio_pci_common.h | 23 +-
include/asm-generic/pci_iomap.h | 5 +
include/uapi/linux/virtio_pci.h | 106 ++++++-
drivers/virtio/virtio_pci_modern.c | 621 +++++++++++++++++++++++++++++++++++++
lib/pci_iomap.c | 46 ++-
drivers/virtio/Makefile | 2 +-
6 files changed, 788 insertions(+), 15 deletions(-)
create mode 100644 drivers/virtio/virtio_pci_modern.c
--
MST
next reply other threads:[~2014-12-11 19:37 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-11 19:37 Michael S. Tsirkin [this message]
2014-12-11 19:37 ` [PATCH RFC 1/5] virtio_pci: add VIRTIO_PCI_NO_LEGACY Michael S. Tsirkin
2014-12-11 19:37 ` [PATCH RFC 2/5] virtio-pci: define layout for virtio 1.0 Michael S. Tsirkin
2014-12-11 19:37 ` [PATCH RFC 3/5] pci: add pci_iomap_range Michael S. Tsirkin
2014-12-11 22:27 ` Arnd Bergmann
2014-12-11 23:49 ` Michael S. Tsirkin
2014-12-11 19:37 ` [PATCH RFC 4/5] virtio_pci: modern driver Michael S. Tsirkin
2014-12-11 19:37 ` [PATCH RFC 5/5] virtio_pci: macros for PCI layout offsets Michael S. Tsirkin
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