From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
To: "Xie, Huawei" <huawei.xie@intel.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>
Subject: Re: [dpdk-dev] [PATCH v4 7/8] virtio: add 1.0 support
Date: Tue, 19 Jan 2016 09:36:59 +0800 [thread overview]
Message-ID: <20160119013659.GF19531@yliu-dev.sh.intel.com> (raw)
In-Reply-To: <C37D651A908B024F974696C65296B57B4C5A0EAF@SHSMSX101.ccr.corp.intel.com>
On Mon, Jan 18, 2016 at 05:07:51PM +0000, Xie, Huawei wrote:
> .On 1/15/2016 12:34 PM, Yuanhan Liu wrote:
> > Modern (v1.0) virtio pci device defines several pci capabilities.
> > Each cap has a configure structure corresponding to it, and the
> > cap.bar and cap.offset fields tell us where to find it.
> >
> [snip]
> > +
> > +static inline void
> > +io_write64_twopart(uint64_t val, uint32_t *lo, uint32_t *hi)
> > +{
> > + io_write32((uint32_t)val, lo);
> > + io_write32(val >> 32, hi);
>
> Firstly your second iowrite32 doesn't do the conversion.
Because it's not necessary. The first one is for retrieving the low 32
bits.
> The conversion is duplicated.
What do you mean by "duplicated".
--yliu
next prev parent reply other threads:[~2016-01-19 1:35 UTC|newest]
Thread overview: 122+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-10 3:54 [dpdk-dev] [PATCH 0/6 for 2.3] initial virtio 1.0 enabling Yuanhan Liu
2015-12-10 3:54 ` [dpdk-dev] [PATCH 1/6] virtio: don't set vring address again at queue startup Yuanhan Liu
2015-12-10 3:54 ` [dpdk-dev] [PATCH 2/6] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2015-12-29 11:31 ` Tan, Jianfeng
2015-12-30 3:45 ` Yuanhan Liu
2015-12-10 3:54 ` [dpdk-dev] [PATCH 3/6] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2015-12-10 3:54 ` [dpdk-dev] [PATCH 4/6] viritio: switch to 64 bit features Yuanhan Liu
2015-12-10 3:54 ` [dpdk-dev] [PATCH 5/6] virtio: set RTE_PCI_DRV_NEED_MAPPING flag Yuanhan Liu
2015-12-10 3:54 ` [dpdk-dev] [PATCH 6/6] virtio: add virtio v1.0 support Yuanhan Liu
2015-12-29 11:39 ` Tan, Jianfeng
2015-12-30 3:40 ` Yuanhan Liu
2015-12-10 3:58 ` [dpdk-dev] [PATCH 0/6 for 2.3] initial virtio 1.0 enabling Yuanhan Liu
2015-12-29 11:19 ` Tan, Jianfeng
2015-12-30 3:53 ` Yuanhan Liu
2016-01-04 3:55 ` Xu, Qian Q
2016-01-04 4:16 ` Yuanhan Liu
2016-01-12 6:58 ` [dpdk-dev] [PATCH v2 0/7] virtio 1.0 enabling for virtio pmd driver Yuanhan Liu
2016-01-12 6:58 ` [dpdk-dev] [PATCH v2 1/7] virtio: don't set vring address again at queue startup Yuanhan Liu
2016-01-12 6:58 ` [dpdk-dev] [PATCH v2 2/7] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2016-01-12 6:59 ` [dpdk-dev] [PATCH v2 3/7] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2016-01-12 6:59 ` [dpdk-dev] [PATCH v2 4/7] viritio: switch to 64 bit features Yuanhan Liu
2016-01-12 6:59 ` [dpdk-dev] [PATCH v2 5/7] virtio: retrieve hdr_size from hw->vtnet_hdr_size Yuanhan Liu
2016-01-12 6:59 ` [dpdk-dev] [PATCH v2 6/7] eal: pci: export pci_map_device Yuanhan Liu
2016-01-12 8:31 ` David Marchand
2016-01-12 8:40 ` Yuanhan Liu
2016-01-12 9:05 ` Yuanhan Liu
2016-01-13 14:44 ` Santosh Shukla
2016-01-12 6:59 ` [dpdk-dev] [PATCH v2 7/7] virtio: add 1.0 support Yuanhan Liu
2016-01-13 3:31 ` Tetsuya Mukawa
2016-01-13 9:38 ` Yuanhan Liu
2016-01-14 7:47 ` Xie, Huawei
2016-01-14 7:50 ` Yuanhan Liu
2016-01-14 7:51 ` Xie, Huawei
2016-01-14 7:58 ` Yuanhan Liu
2016-01-14 8:08 ` Xie, Huawei
2016-01-14 8:22 ` Yuanhan Liu
2016-01-14 8:28 ` Xie, Huawei
2016-01-14 7:50 ` Xie, Huawei
2016-01-14 8:38 ` Yuanhan Liu
2016-01-12 7:07 ` [dpdk-dev] [PATCH v2 0/7] virtio 1.0 enabling for virtio pmd driver Yuanhan Liu
2016-01-14 4:27 ` Tetsuya Mukawa
2016-01-14 5:59 ` Yuanhan Liu
2016-01-14 6:09 ` Tan, Jianfeng
2016-01-14 6:41 ` Tetsuya Mukawa
2016-01-18 9:04 ` Tetsuya Mukawa
2016-01-14 6:45 ` Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 0/8] " Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 1/8] virtio: don't set vring address again at queue startup Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 2/8] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 3/8] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 4/8] viritio: switch to 64 bit features Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 5/8] virtio: retrieve hdr_size from hw->vtnet_hdr_size Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 6/8] eal: pci: export pci_[un]map_device Yuanhan Liu
2016-01-14 7:45 ` Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 7/8] virtio: add 1.0 support Yuanhan Liu
2016-01-14 7:42 ` [dpdk-dev] [PATCH v3 8/8] virtio: move VIRTIO_READ/WRITE_REG_X into virtio_pci.c Yuanhan Liu
2016-01-16 10:08 ` Santosh Shukla
2016-01-17 14:07 ` Santosh Shukla
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 0/8] virtio 1.0 enabling for virtio pmd driver Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 1/8] virtio: don't set vring address again at queue startup Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 2/8] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2016-01-18 17:21 ` Xie, Huawei
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 3/8] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 4/8] viritio: switch to 64 bit features Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 5/8] virtio: retrieve hdr_size from hw->vtnet_hdr_size Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 6/8] eal: pci: export pci_[un]map_device Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 7/8] virtio: add 1.0 support Yuanhan Liu
2016-01-18 16:38 ` Xie, Huawei
2016-01-18 16:50 ` Xie, Huawei
2016-01-19 5:55 ` Yuanhan Liu
2016-01-19 7:44 ` Xie, Huawei
2016-01-19 7:54 ` Yuanhan Liu
2016-01-19 8:02 ` Xie, Huawei
2016-01-18 17:07 ` Xie, Huawei
2016-01-19 1:36 ` Yuanhan Liu [this message]
2016-01-19 1:51 ` Xie, Huawei
2016-01-19 2:46 ` Yuanhan Liu
2016-01-19 2:48 ` Xie, Huawei
2016-01-19 5:54 ` Yuanhan Liu
2016-01-15 4:36 ` [dpdk-dev] [PATCH v4 8/8] virtio: move VIRTIO_READ/WRITE_REG_X into virtio_pci.c Yuanhan Liu
2016-01-15 8:57 ` Xu, Qian Q
2016-01-18 8:04 ` [dpdk-dev] [PATCH v4 0/8] virtio 1.0 enabling for virtio pmd driver Tetsuya Mukawa
2016-01-19 8:11 ` [dpdk-dev] [PATCH v5 0/9] " Yuanhan Liu
2016-01-19 8:11 ` [dpdk-dev] [PATCH v5 1/9] virtio: don't set vring address again at queue startup Yuanhan Liu
2016-01-19 8:11 ` [dpdk-dev] [PATCH v5 2/9] virtio: define offset as size_t type Yuanhan Liu
2016-01-19 8:11 ` [dpdk-dev] [PATCH v5 3/9] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2016-01-19 8:12 ` [dpdk-dev] [PATCH v5 4/9] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2016-01-19 8:12 ` [dpdk-dev] [PATCH v5 5/9] viritio: switch to 64 bit features Yuanhan Liu
2016-01-19 8:12 ` [dpdk-dev] [PATCH v5 6/9] virtio: retrieve hdr_size from hw->vtnet_hdr_size Yuanhan Liu
2016-01-19 8:12 ` [dpdk-dev] [PATCH v5 7/9] eal: pci: export pci_[un]map_device Yuanhan Liu
2016-01-19 8:17 ` David Marchand
2016-01-19 8:12 ` [dpdk-dev] [PATCH v5 8/9] virtio: add 1.0 support Yuanhan Liu
2016-01-21 11:37 ` Thomas Monjalon
2016-01-27 3:49 ` Yuanhan Liu
2016-01-21 11:49 ` Thomas Monjalon
2016-01-27 3:46 ` Yuanhan Liu
2016-01-27 8:11 ` Thomas Monjalon
2016-01-19 8:12 ` [dpdk-dev] [PATCH v5 9/9] virtio: move VIRTIO_READ/WRITE_REG_X into virtio_pci.c Yuanhan Liu
2016-01-19 8:55 ` [dpdk-dev] [PATCH v5 0/9] virtio 1.0 enabling for virtio pmd driver Xie, Huawei
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 " Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 1/9] virtio: don't set vring address again at queue startup Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 2/9] virtio: define offset as size_t type Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 3/9] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 4/9] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 5/9] viritio: switch to 64 bit features Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 6/9] virtio: retrieve hdr_size from hw->vtnet_hdr_size Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 7/9] eal: pci: export pci_[un]map_device Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 8/9] virtio: add 1.0 support Yuanhan Liu
2016-01-28 7:54 ` [dpdk-dev] [PATCH v6 9/9] virtio: move VIRTIO_READ/WRITE_REG_X into virtio_pci.c Yuanhan Liu
2016-02-02 10:46 ` [dpdk-dev] [PATCH v6 0/9] virtio 1.0 enabling for virtio pmd driver Thomas Monjalon
2016-02-02 13:00 ` Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 " Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 1/9] virtio: don't set vring address again at queue startup Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 2/9] virtio: define offset as size_t type Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 3/9] virtio: introduce struct virtio_pci_ops Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 4/9] virtio: move left pci stuff to virtio_pci.c Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 5/9] viritio: switch to 64 bit features Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 6/9] virtio: retrieve hdr_size from hw->vtnet_hdr_size Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 7/9] eal: pci: export pci_[un]map_device Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 8/9] virtio: add 1.0 support Yuanhan Liu
2016-02-02 13:48 ` [dpdk-dev] [PATCH v7 9/9] virtio: move VIRTIO_READ/WRITE_REG_X into virtio_pci.c Yuanhan Liu
2016-02-03 15:09 ` [dpdk-dev] [PATCH v7 0/9] virtio 1.0 enabling for virtio pmd driver Thomas Monjalon
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