From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, david.marchand@redhat.com,
mkp@redhat.com, fbl@redhat.com, jasowang@redhat.com,
cunming.liang@intel.com, xieyongji@bytedance.com,
echaudro@redhat.com, eperezma@redhat.com, amorenoz@redhat.com,
lulu@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [PATCH v4 23/26] vhost: add support for VDUSE IOTLB update event
Date: Thu, 1 Jun 2023 22:08:09 +0200 [thread overview]
Message-ID: <20230601200812.672233-24-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20230601200812.672233-1-maxime.coquelin@redhat.com>
This patch adds support for VDUSE_UPDATE_IOTLB event
handling, which consists in invaliding IOTLB entries for
the range specified in the request.
Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---
lib/vhost/vduse.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/lib/vhost/vduse.c b/lib/vhost/vduse.c
index 3bf65d4b8b..110654ec68 100644
--- a/lib/vhost/vduse.c
+++ b/lib/vhost/vduse.c
@@ -179,6 +179,13 @@ vduse_events_handler(int fd, void *arg, int *remove __rte_unused)
dev->status = req.s.status;
resp.result = VDUSE_REQ_RESULT_OK;
break;
+ case VDUSE_UPDATE_IOTLB:
+ VHOST_LOG_CONFIG(dev->ifname, INFO, "\tIOVA range: %" PRIx64 " - %" PRIx64 "\n",
+ (uint64_t)req.iova.start, (uint64_t)req.iova.last);
+ vhost_user_iotlb_cache_remove(dev, req.iova.start,
+ req.iova.last - req.iova.start + 1);
+ resp.result = VDUSE_REQ_RESULT_OK;
+ break;
default:
resp.result = VDUSE_REQ_RESULT_FAILED;
break;
--
2.40.1
next prev parent reply other threads:[~2023-06-01 20:10 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-01 20:07 [PATCH v4 00/26] Add VDUSE support to Vhost library Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 01/26] vhost: fix IOTLB entries overlap check with previous entry Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 02/26] vhost: add helper of IOTLB entries coredump Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 03/26] vhost: add helper for IOTLB entries shared page check Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 04/26] vhost: don't dump unneeded pages with IOTLB Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 05/26] vhost: change to single IOTLB cache per device Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 06/26] vhost: add offset field to IOTLB entries Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 07/26] vhost: add page size info to IOTLB entry Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 08/26] vhost: retry translating IOVA after IOTLB miss Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 09/26] vhost: introduce backend ops Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 10/26] vhost: add IOTLB cache entry removal callback Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 11/26] vhost: add helper for IOTLB misses Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 12/26] vhost: add helper for interrupt injection Maxime Coquelin
2023-06-01 20:07 ` [PATCH v4 13/26] vhost: add API to set max queue pairs Maxime Coquelin
2023-06-05 7:56 ` Xia, Chenbo
2023-06-01 20:08 ` [PATCH v4 14/26] net/vhost: use " Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 15/26] vhost: add control virtqueue support Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 16/26] vhost: add VDUSE device creation and destruction Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 17/26] vhost: add VDUSE callback for IOTLB miss Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 18/26] vhost: add VDUSE callback for IOTLB entry removal Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 19/26] vhost: add VDUSE callback for IRQ injection Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 20/26] vhost: add VDUSE events handler Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 21/26] vhost: add support for virtqueue state get event Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 22/26] vhost: add support for VDUSE status set event Maxime Coquelin
2023-06-01 20:08 ` Maxime Coquelin [this message]
2023-06-01 20:08 ` [PATCH v4 24/26] vhost: add VDUSE device startup Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 25/26] vhost: add multiqueue support to VDUSE Maxime Coquelin
2023-06-01 20:08 ` [PATCH v4 26/26] vhost: add VDUSE device stop Maxime Coquelin
2023-06-05 7:56 ` Xia, Chenbo
2023-06-06 8:14 ` Maxime Coquelin
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