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From: Ye Xiaolong <xiaolong.ye@intel.com>
To: Xiao Wang <xiao.w.wang@intel.com>
Cc: qi.z.zhang@intel.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] net/ifc: fix function name
Date: Wed, 10 Oct 2018 17:41:37 +0800	[thread overview]
Message-ID: <20181010094137.GA65300@intel.com> (raw)
In-Reply-To: <20180925031001.164277-1-xiao.w.wang@intel.com>

Acked-by: Ye Xiaolong <xiaolong.ye@intel.com>

Thanks,
Xiaolong

On 09/25, Xiao Wang wrote:
>The address translation from user virtual address to guest physical
>address should not be named as qva_to_gpa.
>
>Fixes: a3f8150eac6d ("net/ifcvf: add ifcvf vDPA driver")
>
>Signed-off-by: Xiao Wang <xiao.w.wang@intel.com>
>---
> drivers/net/ifc/ifcvf_vdpa.c | 14 +++++++-------
> 1 file changed, 7 insertions(+), 7 deletions(-)
>
>diff --git a/drivers/net/ifc/ifcvf_vdpa.c b/drivers/net/ifc/ifcvf_vdpa.c
>index 7d3085d8d..a26da8086 100644
>--- a/drivers/net/ifc/ifcvf_vdpa.c
>+++ b/drivers/net/ifc/ifcvf_vdpa.c
>@@ -206,7 +206,7 @@ ifcvf_dma_map(struct ifcvf_internal *internal, int do_map)
> }
> 
> static uint64_t
>-qva_to_gpa(int vid, uint64_t qva)
>+hva_to_gpa(int vid, uint64_t hva)
> {
> 	struct rte_vhost_memory *mem = NULL;
> 	struct rte_vhost_mem_region *reg;
>@@ -219,9 +219,9 @@ qva_to_gpa(int vid, uint64_t qva)
> 	for (i = 0; i < mem->nregions; i++) {
> 		reg = &mem->regions[i];
> 
>-		if (qva >= reg->host_user_addr &&
>-				qva < reg->host_user_addr + reg->size) {
>-			gpa = qva - reg->host_user_addr + reg->guest_phys_addr;
>+		if (hva >= reg->host_user_addr &&
>+				hva < reg->host_user_addr + reg->size) {
>+			gpa = hva - reg->host_user_addr + reg->guest_phys_addr;
> 			break;
> 		}
> 	}
>@@ -247,21 +247,21 @@ vdpa_ifcvf_start(struct ifcvf_internal *internal)
> 
> 	for (i = 0; i < nr_vring; i++) {
> 		rte_vhost_get_vhost_vring(vid, i, &vq);
>-		gpa = qva_to_gpa(vid, (uint64_t)(uintptr_t)vq.desc);
>+		gpa = hva_to_gpa(vid, (uint64_t)(uintptr_t)vq.desc);
> 		if (gpa == 0) {
> 			DRV_LOG(ERR, "Fail to get GPA for descriptor ring.");
> 			return -1;
> 		}
> 		hw->vring[i].desc = gpa;
> 
>-		gpa = qva_to_gpa(vid, (uint64_t)(uintptr_t)vq.avail);
>+		gpa = hva_to_gpa(vid, (uint64_t)(uintptr_t)vq.avail);
> 		if (gpa == 0) {
> 			DRV_LOG(ERR, "Fail to get GPA for available ring.");
> 			return -1;
> 		}
> 		hw->vring[i].avail = gpa;
> 
>-		gpa = qva_to_gpa(vid, (uint64_t)(uintptr_t)vq.used);
>+		gpa = hva_to_gpa(vid, (uint64_t)(uintptr_t)vq.used);
> 		if (gpa == 0) {
> 			DRV_LOG(ERR, "Fail to get GPA for used ring.");
> 			return -1;
>-- 
>2.15.1
>

  reply	other threads:[~2018-10-10  2:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-25  3:10 Xiao Wang
2018-10-10  9:41 ` Ye Xiaolong [this message]
2018-10-11  3:09   ` Zhang, Qi Z

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