From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Subject: Re: [PATCH v4 07/14] virtio: vfio: add api support to
 rd/wr ioport bar
Date: Fri, 15 Jan 2016 14:03:48 +0800
Message-ID: <20160115060348.GR19531@yliu-dev.sh.intel.com>
References: <1452778117-30178-1-git-send-email-sshukla@mvista.com>
 <1452778117-30178-8-git-send-email-sshukla@mvista.com>
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Cc: dev@dpdk.org, Rakesh Krishnamurthy <rakeshk@mvista.com>,
 Rizwan Ansari <ransari@mvista.com>
To: Santosh Shukla <sshukla@mvista.com>
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On Thu, Jan 14, 2016 at 06:58:30PM +0530, Santosh Shukla wrote:
> For vfio case - Use pread/pwrite api to access virtio
> ioport space.
> 
> Signed-off-by: Santosh Shukla <sshukla@mvista.com>
> Signed-off-by: Rizwan Ansari <ransari@mvista.com>
> Signed-off-by: Rakesh Krishnamurthy <rakeshk@mvista.com>
> ---
...
> +/* vfio rd/rw virtio apis */
> +static inline void ioport_inb(const struct rte_pci_device *pci_dev,
> +			      uint8_t reg, uint8_t *val)

Minor nit: dpdk perfers to seperate return type and function name in
different line:

  static inline void
  ioport_inb(....)
  {

> +{
> +	if (rte_eal_pci_read_bar(pci_dev, (uint8_t *)val, sizeof(uint8_t), reg,
                                          ^^^^^^^^^^^

Unnecessary cast; and few more belows.

	--yliu