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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: dev@dpdk.org, chenbo.xia@intel.com, olivier.matz@6wind.com,
	amorenoz@redhat.com, david.marchand@redhat.com
Cc: Maxime Coquelin <maxime.coquelin@redhat.com>
Subject: [dpdk-dev] [PATCH 32/40] net/virtio: remove useless request ops
Date: Sun, 20 Dec 2020 22:13:57 +0100
Message-ID: <20201220211405.313012-33-maxime.coquelin@redhat.com> (raw)
In-Reply-To: <20201220211405.313012-1-maxime.coquelin@redhat.com>

Now that all the ops have been implemented, we
can remove the send_request ops for all backends.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
 drivers/net/virtio/virtio_user/vhost.h        | 15 +--
 drivers/net/virtio/virtio_user/vhost_kernel.c | 43 ---------
 drivers/net/virtio/virtio_user/vhost_user.c   | 96 -------------------
 drivers/net/virtio/virtio_user/vhost_vdpa.c   | 49 ----------
 4 files changed, 3 insertions(+), 200 deletions(-)

diff --git a/drivers/net/virtio/virtio_user/vhost.h b/drivers/net/virtio/virtio_user/vhost.h
index c85ba9a47b..3e39fd2246 100644
--- a/drivers/net/virtio/virtio_user/vhost.h
+++ b/drivers/net/virtio/virtio_user/vhost.h
@@ -88,8 +88,6 @@ enum vhost_user_request {
 	VHOST_USER_MAX
 };
 
-extern const char * const vhost_msg_strings[VHOST_USER_MAX];
-
 struct vhost_memory_region {
 	uint64_t guest_phys_addr;
 	uint64_t memory_size; /* bytes */
@@ -116,16 +114,9 @@ struct virtio_user_backend_ops {
 	int (*set_vring_addr)(struct virtio_user_dev *dev, struct vhost_vring_addr *addr);
 	int (*get_status)(struct virtio_user_dev *dev, uint8_t *status);
 	int (*set_status)(struct virtio_user_dev *dev, uint8_t status);
-	int (*send_request)(struct virtio_user_dev *dev,
-			    enum vhost_user_request req,
-			    void *arg);
-	int (*enable_qp)(struct virtio_user_dev *dev,
-			 uint16_t pair_idx,
-			 int enable);
-	int (*dma_map)(struct virtio_user_dev *dev, void *addr,
-				  uint64_t iova, size_t len);
-	int (*dma_unmap)(struct virtio_user_dev *dev, void *addr,
-				  uint64_t iova, size_t len);
+	int (*enable_qp)(struct virtio_user_dev *dev, uint16_t pair_idx, int enable);
+	int (*dma_map)(struct virtio_user_dev *dev, void *addr, uint64_t iova, size_t len);
+	int (*dma_unmap)(struct virtio_user_dev *dev, void *addr, uint64_t iova, size_t len);
 };
 
 extern struct virtio_user_backend_ops virtio_ops_user;
diff --git a/drivers/net/virtio/virtio_user/vhost_kernel.c b/drivers/net/virtio/virtio_user/vhost_kernel.c
index 0b74f73c97..c4c9c9d085 100644
--- a/drivers/net/virtio/virtio_user/vhost_kernel.c
+++ b/drivers/net/virtio/virtio_user/vhost_kernel.c
@@ -328,48 +328,6 @@ vhost_kernel_set_status(struct virtio_user_dev *dev __rte_unused, uint8_t status
 	return -ENOTSUP;
 }
 
-static uint64_t vhost_req_user_to_kernel[] = {
-	[VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER,
-};
-
-static int
-vhost_kernel_send_request(struct virtio_user_dev *dev,
-		   enum vhost_user_request req,
-		   void *arg)
-{
-	int ret = -1;
-	unsigned int i;
-	uint64_t req_kernel;
-	int vhostfd;
-
-	PMD_DRV_LOG(INFO, "%s", vhost_msg_strings[req]);
-
-	req_kernel = vhost_req_user_to_kernel[req];
-
-	switch (req_kernel) {
-	default:
-		vhostfd = -1;
-	}
-	if (vhostfd == -1) {
-		for (i = 0; i < dev->max_queue_pairs; ++i) {
-			if (dev->vhostfds[i] < 0)
-				continue;
-
-			ret = ioctl(dev->vhostfds[i], req_kernel, arg);
-			if (ret < 0)
-				break;
-		}
-	} else {
-		ret = ioctl(vhostfd, req_kernel, arg);
-	}
-
-	if (ret < 0)
-		PMD_DRV_LOG(ERR, "%s failed: %s",
-			    vhost_msg_strings[req], strerror(errno));
-
-	return ret;
-}
-
 /**
  * Set up environment to talk with a vhost kernel backend.
  *
@@ -501,6 +459,5 @@ struct virtio_user_backend_ops virtio_ops_kernel = {
 	.set_vring_addr = vhost_kernel_set_vring_addr,
 	.get_status = vhost_kernel_get_status,
 	.set_status = vhost_kernel_set_status,
-	.send_request = vhost_kernel_send_request,
 	.enable_qp = vhost_kernel_enable_queue_pair
 };
diff --git a/drivers/net/virtio/virtio_user/vhost_user.c b/drivers/net/virtio/virtio_user/vhost_user.c
index d426b44fe7..0632b80050 100644
--- a/drivers/net/virtio/virtio_user/vhost_user.c
+++ b/drivers/net/virtio/virtio_user/vhost_user.c
@@ -634,101 +634,6 @@ vhost_user_set_status(struct virtio_user_dev *dev, uint8_t status)
 	return vhost_user_check_reply_ack(dev, &msg);
 }
 
-static struct vhost_user_msg m;
-
-const char * const vhost_msg_strings[] = {
-	[VHOST_USER_RESET_OWNER] = "VHOST_RESET_OWNER",
-};
-
-static int
-vhost_user_sock(struct virtio_user_dev *dev,
-		enum vhost_user_request req,
-		void *arg)
-{
-	struct vhost_user_msg msg;
-	struct vhost_vring_file *file = 0;
-	int need_reply = 0;
-	int fds[VHOST_MEMORY_MAX_NREGIONS];
-	int fd_num = 0;
-	int vhostfd = dev->vhostfd;
-
-	RTE_SET_USED(m);
-
-	PMD_DRV_LOG(INFO, "%s", vhost_msg_strings[req]);
-
-	if (dev->is_server && vhostfd < 0)
-		return -1;
-
-	msg.request = req;
-	msg.flags = VHOST_USER_VERSION;
-	msg.size = 0;
-
-	switch (req) {
-	case VHOST_USER_SET_LOG_BASE:
-		msg.payload.u64 = *((__u64 *)arg);
-		msg.size = sizeof(m.payload.u64);
-		break;
-
-	case VHOST_USER_RESET_OWNER:
-		break;
-
-	case VHOST_USER_SET_LOG_FD:
-		fds[fd_num++] = *((int *)arg);
-		break;
-
-	case VHOST_USER_SET_VRING_ERR:
-		file = arg;
-		msg.payload.u64 = file->index & VHOST_USER_VRING_IDX_MASK;
-		msg.size = sizeof(m.payload.u64);
-		if (file->fd > 0)
-			fds[fd_num++] = file->fd;
-		else
-			msg.payload.u64 |= VHOST_USER_VRING_NOFD_MASK;
-		break;
-
-	default:
-		PMD_DRV_LOG(ERR, "trying to send unhandled msg type");
-		return -1;
-	}
-
-	if (vhost_user_write(vhostfd, &msg, fds, fd_num) < 0) {
-		PMD_DRV_LOG(ERR, "%s failed: %s",
-			    vhost_msg_strings[req], strerror(errno));
-		return -1;
-	}
-
-	if (need_reply || msg.flags & VHOST_USER_NEED_REPLY_MASK) {
-		if (vhost_user_read(vhostfd, &msg) < 0) {
-			PMD_DRV_LOG(ERR, "Received msg failed: %s",
-				    strerror(errno));
-			return -1;
-		}
-
-		if (req != msg.request) {
-			PMD_DRV_LOG(ERR, "Received unexpected msg type");
-			return -1;
-		}
-
-		switch (req) {
-		default:
-			/* Reply-ack handling */
-			if (msg.size != sizeof(m.payload.u64)) {
-				PMD_DRV_LOG(ERR, "Received bad msg size");
-				return -1;
-			}
-
-			if (msg.payload.u64 != 0) {
-				PMD_DRV_LOG(ERR, "Slave replied NACK");
-				return -1;
-			}
-
-			break;
-		}
-	}
-
-	return 0;
-}
-
 #define MAX_VIRTIO_USER_BACKLOG 1
 static int
 virtio_user_start_server(struct virtio_user_dev *dev, struct sockaddr_un *un)
@@ -845,6 +750,5 @@ struct virtio_user_backend_ops virtio_ops_user = {
 	.set_vring_addr = vhost_user_set_vring_addr,
 	.get_status = vhost_user_get_status,
 	.set_status = vhost_user_set_status,
-	.send_request = vhost_user_sock,
 	.enable_qp = vhost_user_enable_queue_pair
 };
diff --git a/drivers/net/virtio/virtio_user/vhost_vdpa.c b/drivers/net/virtio/virtio_user/vhost_vdpa.c
index f4331884c3..ecfaeaf814 100644
--- a/drivers/net/virtio/virtio_user/vhost_vdpa.c
+++ b/drivers/net/virtio/virtio_user/vhost_vdpa.c
@@ -34,10 +34,6 @@
 #define VHOST_VDPA_SET_STATUS _IOW(VHOST_VIRTIO, 0x72, __u8)
 #define VHOST_VDPA_SET_VRING_ENABLE	_IOW(VHOST_VIRTIO, 0x75, struct vhost_vring_state)
 
-static uint64_t vhost_req_user_to_vdpa[] = {
-	[VHOST_USER_RESET_OWNER] = VHOST_RESET_OWNER,
-};
-
 /* no alignment requirement */
 struct vhost_iotlb_msg {
 	uint64_t iova;
@@ -263,50 +259,6 @@ vhost_vdpa_set_status(struct virtio_user_dev *dev, uint8_t status)
 	return vhost_vdpa_ioctl(dev->vhostfd, VHOST_VDPA_SET_STATUS, &status);
 }
 
-/* with below features, vhost vdpa does not need to do the checksum and TSO,
- * these info will be passed to virtio_user through virtio net header.
- */
-#define VHOST_VDPA_GUEST_OFFLOADS_MASK	\
-	((1ULL << VIRTIO_NET_F_GUEST_CSUM) |	\
-	 (1ULL << VIRTIO_NET_F_GUEST_TSO4) |	\
-	 (1ULL << VIRTIO_NET_F_GUEST_TSO6) |	\
-	 (1ULL << VIRTIO_NET_F_GUEST_ECN)  |	\
-	 (1ULL << VIRTIO_NET_F_GUEST_UFO))
-
-#define VHOST_VDPA_HOST_OFFLOADS_MASK		\
-	((1ULL << VIRTIO_NET_F_HOST_TSO4) |	\
-	 (1ULL << VIRTIO_NET_F_HOST_TSO6) |	\
-	 (1ULL << VIRTIO_NET_F_CSUM))
-
-static int
-vhost_vdpa_send_request(struct virtio_user_dev *dev,
-		   enum vhost_user_request req,
-		   void *arg)
-{
-	int ret = -1;
-	uint64_t req_vdpa;
-
-	PMD_DRV_LOG(INFO, "%s", vhost_msg_strings[req]);
-
-	req_vdpa = vhost_req_user_to_vdpa[req];
-
-	switch (req_vdpa) {
-	case VHOST_SET_VRING_ADDR:
-		PMD_DRV_LOG(DEBUG, "vhostfd=%d, index=%u",
-			    dev->vhostfd, *(unsigned int *)arg);
-		break;
-	default:
-		break;
-	}
-
-	ret = ioctl(dev->vhostfd, req_vdpa, arg);
-	if (ret < 0)
-		PMD_DRV_LOG(ERR, "%s failed: %s",
-			    vhost_msg_strings[req], strerror(errno));
-
-	return ret;
-}
-
 /**
  * Set up environment to talk with a vhost vdpa backend.
  *
@@ -375,7 +327,6 @@ struct virtio_user_backend_ops virtio_ops_vdpa = {
 	.set_vring_addr = vhost_vdpa_set_vring_addr,
 	.get_status = vhost_vdpa_get_status,
 	.set_status = vhost_vdpa_set_status,
-	.send_request = vhost_vdpa_send_request,
 	.enable_qp = vhost_vdpa_enable_queue_pair,
 	.dma_map = vhost_vdpa_dma_map,
 	.dma_unmap = vhost_vdpa_dma_unmap,
-- 
2.29.2


  parent reply	other threads:[~2020-12-20 21:24 UTC|newest]

Thread overview: 149+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-20 21:13 [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 01/40] bus/vdev: add helper to get vdev from eth dev Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:15   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 02/40] net/virtio: Introduce Virtio bus type Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:15   ` David Marchand
2021-01-14  9:24     ` Maxime Coquelin
2021-01-14 10:54       ` Maxime Coquelin
2021-01-14 11:55         ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 03/40] net/virtio: refactor virtio-user device Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:16   ` David Marchand
2021-01-14  9:26     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 04/40] net/virtio: introduce PCI device metadata Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:16   ` David Marchand
2021-01-14 11:05     ` Maxime Coquelin
2021-01-14 14:40       ` David Marchand
2021-01-14 14:44         ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 05/40] net/virtio: move PCI device init in dedicated file Maxime Coquelin
2020-12-30  3:02   ` Xia, Chenbo
2021-01-05 21:19   ` David Marchand
2021-01-14 16:04     ` Maxime Coquelin
2021-01-14 16:14       ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 06/40] net/virtio: move PCI specific dev init to PCI ethdev init Maxime Coquelin
2020-12-30  3:05   ` Xia, Chenbo
2021-01-06  8:58   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 07/40] net/virtio: move MSIX detection to PCI ethdev Maxime Coquelin
2020-12-30  3:05   ` Xia, Chenbo
2021-01-06  8:22   ` David Marchand
2021-01-14 17:19     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 08/40] net/virtio: force IOVA as VA mode for Virtio-user Maxime Coquelin
2020-12-30  3:06   ` Xia, Chenbo
2021-01-06  9:06   ` David Marchand
2021-01-06  9:11     ` Thomas Monjalon
2021-01-06  9:22       ` Maxime Coquelin
2021-01-06 16:37       ` Kinsella, Ray
2021-01-06  9:14     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 09/40] net/virtio: store PCI type in Virtio device metadata Maxime Coquelin
2020-12-30  3:07   ` Xia, Chenbo
2021-01-06  9:14   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 10/40] net/virtio: add callback for device closing Maxime Coquelin
2020-12-30  3:07   ` Xia, Chenbo
2021-01-06  9:33   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 11/40] net/virtio: validate features at bus level Maxime Coquelin
2020-12-30  3:08   ` Xia, Chenbo
2021-01-06  9:33   ` David Marchand
2021-01-15  9:20     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 12/40] net/virtio: remove bus type enum Maxime Coquelin
2020-12-30  3:08   ` Xia, Chenbo
2021-01-06  9:33   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 13/40] net/virtio: move PCI-specific fields to PCI device Maxime Coquelin
2020-12-30  3:08   ` Xia, Chenbo
2021-01-06  9:58   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 14/40] net/virtio: pack virtio HW struct Maxime Coquelin
2020-12-30  3:09   ` Xia, Chenbo
2021-01-06  9:58   ` David Marchand
2021-01-15  9:35     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 15/40] net/virtio: move legacy IO to Virtio PCI Maxime Coquelin
2020-12-30  3:09   ` Xia, Chenbo
2021-01-06 10:09   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 16/40] net/virtio: introduce generic virtio header Maxime Coquelin
2020-12-30  3:09   ` Xia, Chenbo
2021-01-06 10:08   ` David Marchand
2021-01-15  9:39     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 17/40] net/virtio: move features definition to generic header Maxime Coquelin
2020-12-30  3:14   ` Xia, Chenbo
2021-01-14  8:40     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 18/40] net/virtio: move virtqueue defines in " Maxime Coquelin
2020-12-30  3:14   ` Xia, Chenbo
2021-01-06 15:53   ` David Marchand
2021-01-15 10:55     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 19/40] net/virtio: move config definitions to " Maxime Coquelin
2020-12-30  3:15   ` Xia, Chenbo
2021-01-06 16:01   ` David Marchand
2021-01-15 11:01     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 20/40] net/virtio: make interrupt handling more generic Maxime Coquelin
2020-12-30  3:17   ` Xia, Chenbo
2021-01-14  8:43     ` Maxime Coquelin
2021-01-06 16:07   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 21/40] net/virtio: move vring alignment to generic header Maxime Coquelin
2020-12-30  3:18   ` Xia, Chenbo
2021-01-06 16:13   ` David Marchand
2020-12-20 21:13 ` [dpdk-dev] [PATCH 22/40] net/virtio: remove last PCI refs in non-PCI code Maxime Coquelin
2020-12-30  3:25   ` Xia, Chenbo
2021-01-14  8:46     ` Maxime Coquelin
2021-01-06 16:18   ` David Marchand
2021-01-15 11:10     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 23/40] net/virtio: make Vhost-user req sender consistent Maxime Coquelin
2021-01-06 11:50   ` Xia, Chenbo
2021-01-15  9:47     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 24/40] net/virtio: add Virtio-user ops to set owner Maxime Coquelin
2021-01-06 11:50   ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 25/40] net/virtio: add Virtio-user features ops Maxime Coquelin
2021-01-06 11:54   ` Xia, Chenbo
2021-01-13 13:43     ` Adrian Moreno
2021-01-13 13:54       ` Maxime Coquelin
2021-01-15 14:19       ` Maxime Coquelin
2021-01-13 13:57   ` Adrian Moreno
2021-01-15 14:29     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 26/40] net/virtio: add Virtio-user protocol " Maxime Coquelin
2021-01-06 11:55   ` Xia, Chenbo
2020-12-20 21:13 ` [dpdk-dev] [PATCH 27/40] net/virtio: add Virtio-user memory tables ops Maxime Coquelin
2021-01-06 11:57   ` Xia, Chenbo
2021-01-15  9:57     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 28/40] net/virtio: add Virtio-user vring setting ops Maxime Coquelin
2021-01-05 21:24   ` David Marchand
2021-01-06 12:01   ` Xia, Chenbo
2021-01-15 10:12     ` Maxime Coquelin
2021-01-06 12:03   ` Xia, Chenbo
2021-01-15 10:15     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 29/40] net/virtio: add Virtio-user vring file ops Maxime Coquelin
2021-01-05 21:24   ` David Marchand
2021-01-06 12:04   ` Xia, Chenbo
2021-01-15 10:17     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 30/40] net/virtio: add Virtio-user vring address ops Maxime Coquelin
2021-01-06 12:06   ` Xia, Chenbo
2021-01-15 10:19     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 31/40] net/virtio: add Virtio-user status ops Maxime Coquelin
2021-01-06 12:09   ` Xia, Chenbo
2021-01-15 10:48     ` Maxime Coquelin
2020-12-20 21:13 ` Maxime Coquelin [this message]
2020-12-20 21:13 ` [dpdk-dev] [PATCH 33/40] net/virtio: improve Virtio-user errors handling Maxime Coquelin
2021-01-07  2:26   ` Xia, Chenbo
2021-01-15 11:09     ` Maxime Coquelin
2020-12-20 21:13 ` [dpdk-dev] [PATCH 34/40] net/virtio: move Vhost-user reqs to Vhost-user backend Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 35/40] net/virtio: make server mode blocking Maxime Coquelin
2021-01-07  3:20   ` Xia, Chenbo
2021-01-15 11:13     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 36/40] net/virtio: move protocol features to Vhost-user Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 37/40] net/virtio: introduce backend data Maxime Coquelin
2021-01-05 21:26   ` David Marchand
2021-01-13 17:18   ` Adrian Moreno
2021-01-15 16:49     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 38/40] net/virtio: move Vhost-user specifics to its backend Maxime Coquelin
2021-01-07  6:32   ` Xia, Chenbo
2021-01-15 12:03     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 39/40] net/virtio: move Vhost-kernel data " Maxime Coquelin
2021-01-07  6:42   ` Xia, Chenbo
2021-01-11  8:02   ` Xia, Chenbo
2021-01-15 11:54     ` Maxime Coquelin
2021-01-18 20:36     ` Maxime Coquelin
2020-12-20 21:14 ` [dpdk-dev] [PATCH 40/40] net/virtio: move Vhost-vDPA " Maxime Coquelin
2020-12-22 15:20   ` Maxime Coquelin
2021-01-07  6:50   ` Xia, Chenbo
2021-01-15 12:08     ` Maxime Coquelin
2021-01-11  8:05   ` Xia, Chenbo
2020-12-21 10:58 ` [dpdk-dev] [PATCH 00/40] net/virtio: Virtio PMD rework Maxime Coquelin

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DPDK patches and discussions

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