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From: "谢华伟(此时此刻）" <huawei.xhw@alibaba-inc.com>
To: ferruh.yigit@intel.com, maxime.coquelin@redhat.com,
	david.marchand@redhat.com
Cc: dev@dpdk.org, anatoly.burakov@intel.com, xuemingl@nvidia.com,
	grive@u256.net, chenbo.xia@intel.com
Subject: Re: [dpdk-dev] [PATCH v8 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD
Date: Tue, 02 Mar 2021 20:48:25 +0800	[thread overview]
Message-ID: <50960672-267a-a8b7-2474-3534314b3db7@alibaba-inc.com> (raw)
In-Reply-To: <1614614483-75891-1-git-send-email-huawei.xhw@alibaba-inc.com>

Hi David and ferru:

Any other issue integrating this patch?

On 2021/3/2 0:01, 谢华伟(此时此刻） wrote:
> From: "huawei.xhw"<huawei.xhw@alibaba-inc.com>
>
> virtio PMD assumes legacy device only supports PIO BAR resource. This is wrong.
> As we need to create lots of devices, as PIO resource on x86 is very limited,
> we expose MMIO(memory IO) BAR.
>
> Kernel supports both PIO and MMIO BAR for legacy virtio-pci device, and for all
> other pci devices. This patchset handles different type of BAR in the similar way.
>
> In previous implementation, under igb_uio driver we get PIO address from igb_uio
> sysfs entry; with uio_pci_generic, we get PIO address from /proc/ioports for x86,
> and for other ARCHs, we get PIO address from standard PCI sysfs entry.
> For PIO/MMIO RW, there is different path for different drivers and arch.

  parent reply	other threads:[~2021-03-02 12:48 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-29  3:18 [dpdk-dev] [PATCH v6 " 谢华伟(此时此刻）
2021-01-29  3:18 ` [dpdk-dev] [PATCH v6 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-02-03  9:37   ` Maxime Coquelin
2021-02-18  9:33   ` David Marchand
2021-02-21 15:58     ` 谢华伟(此时此刻）
2021-02-24 12:49       ` David Marchand
2021-02-24 15:29         ` 谢华伟(此时此刻）
2021-02-24 17:52           ` David Marchand
2021-03-01 15:47             ` 谢华伟(此时此刻）
2021-03-02 12:31             ` 谢华伟(此时此刻）
2021-01-29  3:18 ` [dpdk-dev] [PATCH v6 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-02-03  9:37   ` Maxime Coquelin
2021-02-09 14:51   ` Ferruh Yigit
2021-02-19  8:52     ` Ferruh Yigit
2021-02-21 15:45       ` 谢华伟(此时此刻）
2021-02-17  9:06   ` David Marchand
2021-02-17 14:15     ` 谢华伟(此时此刻）
2021-02-18  9:33       ` David Marchand
2021-01-29  3:25 ` [dpdk-dev] [PATCH v6 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD 谢华伟(此时此刻）
2021-02-01  7:43   ` 谢华伟(此时此刻）
2021-02-03  9:37     ` Maxime Coquelin
2021-02-04  2:50       ` 谢华伟(此时此刻）
2021-02-22 17:15 ` [dpdk-dev] [PATCH v7 " 谢华伟(此时此刻）
2021-02-22 17:15   ` [dpdk-dev] [PATCH v7 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-02-22 17:15   ` [dpdk-dev] [PATCH v7 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-02-22 17:25     ` Ferruh Yigit
2021-02-23 14:20       ` 谢华伟(此时此刻）
2021-02-24 15:45         ` Ferruh Yigit
2021-02-25  3:59           ` 谢华伟(此时此刻）
2021-02-25  9:52             ` David Marchand
2021-03-01 15:43               ` 谢华伟(此时此刻）
2021-03-02 13:14                 ` David Marchand
2021-03-03  7:56                   ` 谢华伟(此时此刻）
2021-03-01 16:01   ` [dpdk-dev] [PATCH v8 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD 谢华伟(此时此刻）
2021-03-01 16:01     ` [dpdk-dev] [PATCH v8 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-01 16:01     ` [dpdk-dev] [PATCH v8 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-02 12:48     ` 谢华伟(此时此刻） [this message]
2021-03-02 13:01       ` [dpdk-dev] [PATCH v8 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD Ferruh Yigit
2021-03-02 13:17       ` David Marchand
2021-03-03 17:46     ` [dpdk-dev] [PATCH v9 " 谢华伟(此时此刻）
2021-03-03 17:46       ` [dpdk-dev] [PATCH v9 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-03 17:46       ` [dpdk-dev] [PATCH v9 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-03 18:24       ` [dpdk-dev] [PATCH v9 0/2] support both PIO and MMIO BAR for legacy device in virtio PMD Stephen Hemminger
2021-03-04 13:45         ` 谢华伟(此时此刻）
2021-03-03 18:47       ` [dpdk-dev] [PATCH v10 0/2] support both PIO and MMIO BAR for legacy virito device 谢华伟(此时此刻）
2021-03-03 18:47         ` [dpdk-dev] [PATCH v10 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-05 16:17           ` 谢华伟(此时此刻）
2021-03-09  6:22             ` 谢华伟(此时此刻）
2021-03-09  7:44               ` David Marchand
2021-03-03 18:47         ` [dpdk-dev] [PATCH v10 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-10 17:36         ` [dpdk-dev] [PATCH v11 0/2] support both PIO and MMIO BAR for legacy virito device 谢华伟(此时此刻）
2021-03-10 17:36           ` [dpdk-dev] [PATCH v11 1/2] bus/pci: use PCI standard sysfs entry to get PIO address 谢华伟(此时此刻）
2021-03-10 17:36           ` [dpdk-dev] [PATCH v11 2/2] bus/pci: support MMIO in PCI ioport accessors 谢华伟(此时此刻）
2021-03-11  6:42             ` Wang, Haiyue
2021-03-15 10:19               ` David Marchand
2021-03-15 11:25                 ` 谢华伟(此时此刻）
2021-03-15 13:11                 ` Wang, Haiyue
2021-03-11 11:54           ` [dpdk-dev] [PATCH v11 0/2] support both PIO and MMIO BAR for legacy virito device Wang, Yinan
2021-03-12 14:32             ` David Marchand
2021-03-15 14:16           ` David Marchand
2021-03-17  8:12             ` 谢华伟(此时此刻）

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