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From: Christoph Hellwig <hch@infradead.org>
To: Vincent Whitchurch <vincent.whitchurch@axis.com>
Cc: Arnd Bergmann <arnd@arndb.de>,
	sudeep.dutt@intel.com, ashutosh.dixit@intel.com,
	gregkh <gregkh@linuxfoundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Kishon Vijay Abraham I <kishon@ti.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	linux-pci <linux-pci@vger.kernel.org>,
	linux-ntb@googlegroups.com, Jon Mason <jdmason@kudzu.us>,
	Dave Jiang <dave.jiang@intel.com>,
	Allen Hubbe <allenbh@gmail.com>
Subject: Re: [PATCH 0/8] Virtio-over-PCIe on non-MIC
Date: Thu, 17 Jan 2019 07:21:42 -0800	[thread overview]
Message-ID: <20190117152142.GB20359@infradead.org> (raw)
In-Reply-To: <20190117151906.odvozs6kz3uvx32y@axis.com>

On Thu, Jan 17, 2019 at 04:19:06PM +0100, Vincent Whitchurch wrote:
> On the RC, a vop-host-backend driver (PCI driver) sets up some shared
> memory area which the RC and the endpoint can use to communicate the
> location of the MIC device descriptors and other information such as the
> MSI address.  It implements vop callbacks to allow the vop framework to
> obtain the address of the MIC descriptors and send/receive interrupts
> to/from the guest.

Why would we require any work on the RC / host side?  A properly
setup software controlled virtio device should just show up as a
normal PCIe device, and the virtio-pci device should bind to it.

  reply	other threads:[~2019-01-17 15:21 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-16 16:32 [PATCH 0/8] Virtio-over-PCIe on non-MIC Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 1/8] vop: Use %z for size_t Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 2/8] vop: Cast pointers to uintptr_t Vincent Whitchurch
2019-01-16 17:39   ` Joe Perches
2019-01-22 10:41   ` Greg KH
2019-01-16 16:32 ` [PATCH 3/8] vop: Add definition of readq/writeq if missing Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 4/8] vop: Allow building on more systems Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 5/8] vop: vringh: Do not crash if no DMA channel Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 6/8] vop: Fix handling of >32 feature bits Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 7/8] vop: Use consistent DMA Vincent Whitchurch
2019-01-16 16:32 ` [PATCH 8/8] vop: Add loopback Vincent Whitchurch
2019-01-16 17:07 ` [PATCH 0/8] Virtio-over-PCIe on non-MIC Arnd Bergmann
2019-01-17 10:54   ` Vincent Whitchurch
2019-01-17 12:39     ` Arnd Bergmann
2019-01-17 15:15       ` Christoph Hellwig
2019-01-17 15:19         ` Christoph Hellwig
2019-01-17 15:31           ` Arnd Bergmann
2019-01-17 15:19       ` Vincent Whitchurch
2019-01-17 15:21         ` Christoph Hellwig [this message]
2019-01-17 15:32           ` Vincent Whitchurch
2019-01-17 15:46             ` Christoph Hellwig
2019-01-17 16:18               ` Arnd Bergmann
2019-01-17 15:53         ` Arnd Bergmann
2019-01-17 16:26           ` Vincent Whitchurch
2019-01-17 16:34             ` Arnd Bergmann
2019-01-17 22:17         ` Logan Gunthorpe
2019-01-18 23:49 ` Stephen Warren
2019-01-21 16:25   ` Vincent Whitchurch
2019-01-22 10:45 ` Greg KH

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