From: "Cao, Yahui" <yahui.cao@intel.com>
To: Miao Li <miao.li@intel.com>, <dev@dpdk.org>
Cc: <skori@marvell.com>, <thomas@monjalon.net>,
<david.marchand@redhat.com>, <ferruh.yigit@amd.com>,
<chenbo.xia@intel.com>,
Anatoly Burakov <anatoly.burakov@intel.com>
Subject: Re: [PATCH v3 4/4] bus/pci: add VFIO sparse mmap support
Date: Mon, 29 May 2023 14:32:36 +0800 [thread overview]
Message-ID: <d0fef370-fbc4-2bb2-5375-dc327dc01ce0@intel.com> (raw)
In-Reply-To: <20230525163116.682000-5-miao.li@intel.com>
On 5/26/2023 12:31 AM, Miao Li wrote:
> This patch adds sparse mmap support in PCI bus. Sparse mmap is a
> capability defined in VFIO which allows multiple mmap areas in one
> VFIO region.
>
> In this patch, the sparse mmap regions are mapped to one continuous
> virtual address region that follows device-specific BAR layout. So,
> driver can still access all mapped sparse mmap regions by using
> 'bar_base_address + bar_offset'.
>
> Signed-off-by: Miao Li <miao.li@intel.com>
> Signed-off-by: Chenbo Xia <chenbo.xia@intel.com>
> ---
> drivers/bus/pci/linux/pci_vfio.c | 104 +++++++++++++++++++++++++++----
> drivers/bus/pci/private.h | 2 +
> 2 files changed, 94 insertions(+), 12 deletions(-)
>
Acked-by: Yahui Cao <yahui.cao@intel.com>
next prev parent reply other threads:[~2023-05-29 6:32 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-18 5:30 [RFC 0/4] Support VFIO sparse mmap in PCI bus Chenbo Xia
2023-04-18 5:30 ` [RFC 1/4] bus/pci: introduce an internal representation of PCI device Chenbo Xia
2023-04-18 5:30 ` [RFC 2/4] bus/pci: avoid depending on private value in kernel source Chenbo Xia
2023-04-18 5:30 ` [RFC 3/4] bus/pci: introduce helper for MMIO read and write Chenbo Xia
2023-04-18 5:30 ` [RFC 4/4] bus/pci: add VFIO sparse mmap support Chenbo Xia
2023-04-18 7:46 ` [RFC 0/4] Support VFIO sparse mmap in PCI bus David Marchand
2023-04-18 9:27 ` Xia, Chenbo
2023-04-18 9:33 ` Xia, Chenbo
2023-05-08 2:13 ` Xia, Chenbo
2023-05-08 3:04 ` Sunil Kumar Kori
2023-05-15 6:46 ` [PATCH v1 " Miao Li
2023-05-15 6:46 ` [PATCH v1 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-15 6:46 ` [PATCH v1 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-15 6:46 ` [PATCH v1 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-15 6:47 ` [PATCH v1 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-05-15 9:41 ` [PATCH v2 0/4] Support VFIO sparse mmap in PCI bus Miao Li
2023-05-15 9:41 ` [PATCH v2 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-15 9:41 ` [PATCH v2 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-15 9:41 ` [PATCH v2 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-15 9:41 ` [PATCH v2 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-05-25 16:31 ` [PATCH v3 0/4] Support VFIO sparse mmap in PCI bus Miao Li
2023-05-25 16:31 ` [PATCH v3 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-29 6:14 ` [EXT] " Sunil Kumar Kori
2023-05-29 6:28 ` Cao, Yahui
2023-05-25 16:31 ` [PATCH v3 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-29 6:15 ` [EXT] " Sunil Kumar Kori
2023-05-29 6:30 ` Cao, Yahui
2023-05-25 16:31 ` [PATCH v3 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-29 6:16 ` [EXT] " Sunil Kumar Kori
2023-05-29 6:31 ` Cao, Yahui
2023-05-25 16:31 ` [PATCH v3 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-05-29 6:17 ` [EXT] " Sunil Kumar Kori
2023-05-29 6:32 ` Cao, Yahui [this message]
2023-05-29 9:25 ` Xia, Chenbo
2023-05-31 5:37 ` [PATCH v4 0/4] Support VFIO sparse mmap in PCI bus Miao Li
2023-05-31 5:37 ` [PATCH v4 1/4] bus/pci: introduce an internal representation of PCI device Miao Li
2023-05-31 5:37 ` [PATCH v4 2/4] bus/pci: avoid depending on private value in kernel source Miao Li
2023-05-31 5:37 ` [PATCH v4 3/4] bus/pci: introduce helper for MMIO read and write Miao Li
2023-05-31 5:37 ` [PATCH v4 4/4] bus/pci: add VFIO sparse mmap support Miao Li
2023-06-07 16:30 ` [PATCH v4 0/4] Support VFIO sparse mmap in PCI bus Thomas Monjalon
2023-06-08 0:28 ` Patrick Robb
2023-06-08 1:36 ` Xia, Chenbo
2023-06-08 1:33 ` Xia, Chenbo
2023-06-08 6:43 ` Ali Alnubani
2023-06-08 6:50 ` Xia, Chenbo
2023-06-08 7:03 ` David Marchand
2023-06-08 12:47 ` Patrick Robb
2023-05-15 15:52 ` [PATCH v1 4/4] bus/pci: add VFIO sparse mmap support Stephen Hemminger
2023-05-22 2:41 ` Li, Miao
2023-05-22 3:42 ` Xia, Chenbo
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