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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, remy.horton@intel.com, tiwei.bie@intel.com,
	yliu@fridaylinux.org
Cc: mst@redhat.com, jfreiman@redhat.com, vkaplans@redhat.com,
	jasowang@redhat.com, Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH v3 08/19] vhost-user: add support to IOTLB miss slave requests
Date: Thu,  5 Oct 2017 10:36:16 +0200	[thread overview]
Message-ID: <20171005083627.27828-9-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20171005083627.27828-1-maxime.coquelin@redhat.com>

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 lib/librte_vhost/vhost_user.c | 25 +++++++++++++++++++++++++
 lib/librte_vhost/vhost_user.h |  3 +++
 2 files changed, 28 insertions(+)

diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 0ba66e193..3df5c5755 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1168,3 +1168,28 @@ vhost_user_msg_handler(int vid, int fd)
 
 	return 0;
 }
+
+int vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm)
+{
+	int ret;
+	struct VhostUserMsg msg = {
+		.request = VHOST_USER_SLAVE_IOTLB_MSG,
+		.flags = VHOST_USER_VERSION,
+		.size = sizeof(msg.payload.iotlb),
+		.payload.iotlb = {
+			.iova = iova,
+			.perm = perm,
+			.type = VHOST_IOTLB_MISS,
+		},
+	};
+
+	ret = send_vhost_message(dev->slave_req_fd, &msg);
+	if (ret < 0) {
+		RTE_LOG(ERR, VHOST_CONFIG,
+				"Failed to send IOTLB miss message (%d)\n",
+				ret);
+		return ret;
+	}
+
+	return 0;
+}
diff --git a/lib/librte_vhost/vhost_user.h b/lib/librte_vhost/vhost_user.h
index 98f6e6f37..0b2aff14e 100644
--- a/lib/librte_vhost/vhost_user.h
+++ b/lib/librte_vhost/vhost_user.h
@@ -85,6 +85,7 @@ typedef enum VhostUserRequest {
 
 typedef enum VhostUserSlaveRequest {
 	VHOST_USER_SLAVE_NONE = 0,
+	VHOST_USER_SLAVE_IOTLB_MSG = 1,
 	VHOST_USER_SLAVE_MAX
 } VhostUserSlaveRequest;
 
@@ -122,6 +123,7 @@ typedef struct VhostUserMsg {
 		struct vhost_vring_addr addr;
 		VhostUserMemory memory;
 		VhostUserLog    log;
+		struct vhost_iotlb_msg iotlb;
 	} payload;
 	int fds[VHOST_MEMORY_MAX_NREGIONS];
 } __attribute((packed)) VhostUserMsg;
@@ -134,6 +136,7 @@ typedef struct VhostUserMsg {
 
 /* vhost_user.c */
 int vhost_user_msg_handler(int vid, int fd);
+int vhost_user_iotlb_miss(struct virtio_net *dev, uint64_t iova, uint8_t perm);
 
 /* socket.c */
 int read_fd_message(int sockfd, char *buf, int buflen, int *fds, int fd_num);
-- 
2.13.6

  parent reply	other threads:[~2017-10-05  8:41 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-05  8:36 [dpdk-dev] [PATCH v3 00/19] Vhost-user: Implement device IOTLB support Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 01/19] Revert "vhost: workaround MQ fails to startup" Maxime Coquelin
2017-11-01 17:11   ` Kavanagh, Mark B
2017-11-02  9:40     ` Maxime Coquelin
2017-11-03 13:05       ` Yuanhan Liu
2017-11-03 14:28         ` Maxime Coquelin
2017-11-06 12:00           ` Yuanhan Liu
2017-11-06 12:07             ` Maxime Coquelin
2017-11-06 12:24               ` Yuanhan Liu
2017-11-06 12:50                 ` Maxime Coquelin
2017-11-06 13:36                   ` Yuanhan Liu
2017-11-03 15:34       ` Thomas Monjalon
2017-11-03 16:31         ` Kavanagh, Mark B
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 02/19] vhost: make error handling consistent in rx path Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 03/19] vhost: prepare send_vhost_message() to slave requests Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 04/19] vhost: add support to slave requests channel Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 05/19] vhost: declare missing IOMMU-related definitions for old kernels Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 06/19] vhost: add iotlb helper functions Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 07/19] vhost: iotlb: add pending miss request list and helpers Maxime Coquelin
2017-10-05  8:36 ` Maxime Coquelin [this message]
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 09/19] vhost: initialize vrings IOTLB caches Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 10/19] vhost-user: handle IOTLB update and invalidate requests Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 11/19] vhost: introduce guest IOVA to backend VA helper Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 12/19] vhost: use the guest IOVA to host " Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 13/19] vhost: enable rings at the right time Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 14/19] vhost: don't dereference invalid dev pointer after its reallocation Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 15/19] vhost: postpone rings addresses translation Maxime Coquelin
2017-10-13  1:47   ` Yao, Lei A
2017-10-13  7:32     ` Maxime Coquelin
2017-10-13  7:55       ` Yao, Lei A
2017-10-13  7:56         ` Maxime Coquelin
2017-10-16  5:59         ` Yao, Lei A
2017-10-16  6:23           ` Yao, Lei A
2017-10-16  9:47             ` Maxime Coquelin
2017-10-16 10:47               ` Maxime Coquelin
2017-10-17  1:24                 ` Yao, Lei A
2017-10-17  8:06                   ` Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 16/19] vhost-user: translate ring addresses when IOMMU enabled Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 17/19] vhost-user: iommu: postpone device creation until ring are mapped Maxime Coquelin
2017-11-02  7:21   ` Yao, Lei A
2017-11-02  8:21     ` Maxime Coquelin
2017-11-02 16:02       ` Maxime Coquelin
2017-11-03  8:25         ` Maxime Coquelin
2017-11-03 15:15           ` Michael S. Tsirkin
2017-11-03 15:54             ` Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 18/19] vhost: iommu: Invalidate vring in case of matching IOTLB invalidate Maxime Coquelin
2017-10-05  8:36 ` [dpdk-dev] [PATCH v3 19/19] vhost: enable IOMMU support Maxime Coquelin
2017-10-06  6:24 ` [dpdk-dev] [PATCH v3 00/19] Vhost-user: Implement device IOTLB support Yuanhan Liu

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