linux-kernel - [RFC PATCH 3/9] tools/virtio: convert to new vringh user APIs

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Message-Id: <20221227022528.609839-4-mie@igel.co.jp>
Date:   Tue, 27 Dec 2022 11:25:25 +0900
From:   Shunsuke Mie <mie@...l.co.jp>
To:     "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Rusty Russell <rusty@...tcorp.com.au>
Cc:     kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Shunsuke Mie <mie@...l.co.jp>
Subject: [RFC PATCH 3/9] tools/virtio: convert to new vringh user APIs

struct vringh_iov is being remove, so convert vringh_test to use the
vringh user APIs. This has it change to use struct vringh_kiov instead of
the struct vringh_iov.

Signed-off-by: Shunsuke Mie <mie@...l.co.jp>
---
 tools/virtio/vringh_test.c | 34 +++++++++++++++++-----------------
 1 file changed, 17 insertions(+), 17 deletions(-)

diff --git a/tools/virtio/vringh_test.c b/tools/virtio/vringh_test.c
index 98ff808d6f0c..6c9533b8a2ca 100644
--- a/tools/virtio/vringh_test.c
+++ b/tools/virtio/vringh_test.c
@@ -193,8 +193,8 @@ static int parallel_test(u64 features,
 			errx(1, "Could not set affinity to cpu %u", first_cpu);
 
 		while (xfers < NUM_XFERS) {
-			struct iovec host_riov[2], host_wiov[2];
-			struct vringh_iov riov, wiov;
+			struct kvec host_riov[2], host_wiov[2];
+			struct vringh_kiov riov, wiov;
 			u16 head, written;
 
 			if (fast_vringh) {
@@ -216,10 +216,10 @@ static int parallel_test(u64 features,
 				written = 0;
 				goto complete;
 			} else {
-				vringh_iov_init(&riov,
+				vringh_kiov_init(&riov,
 						host_riov,
 						ARRAY_SIZE(host_riov));
-				vringh_iov_init(&wiov,
+				vringh_kiov_init(&wiov,
 						host_wiov,
 						ARRAY_SIZE(host_wiov));
 
@@ -442,8 +442,8 @@ int main(int argc, char *argv[])
 	struct virtqueue *vq;
 	struct vringh vrh;
 	struct scatterlist guest_sg[RINGSIZE], *sgs[2];
-	struct iovec host_riov[2], host_wiov[2];
-	struct vringh_iov riov, wiov;
+	struct kvec host_riov[2], host_wiov[2];
+	struct vringh_kiov riov, wiov;
 	struct vring_used_elem used[RINGSIZE];
 	char buf[28];
 	u16 head;
@@ -517,8 +517,8 @@ int main(int argc, char *argv[])
 	__kmalloc_fake = NULL;
 
 	/* Host retreives it. */
-	vringh_iov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
-	vringh_iov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
+	vringh_kiov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
+	vringh_kiov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
 
 	err = vringh_getdesc_user(&vrh, &riov, &wiov, getrange, &head);
 	if (err != 1)
@@ -586,8 +586,8 @@ int main(int argc, char *argv[])
 	__kmalloc_fake = NULL;
 
 	/* Host picks it up (allocates new iov). */
-	vringh_iov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
-	vringh_iov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
+	vringh_kiov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
+	vringh_kiov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
 
 	err = vringh_getdesc_user(&vrh, &riov, &wiov, getrange, &head);
 	if (err != 1)
@@ -613,8 +613,8 @@ int main(int argc, char *argv[])
 		assert(err < 3 || buf[2] == (char)(i + 2));
 	}
 	assert(riov.i == riov.used);
-	vringh_iov_cleanup(&riov);
-	vringh_iov_cleanup(&wiov);
+	vringh_kiov_cleanup(&riov);
+	vringh_kiov_cleanup(&wiov);
 
 	/* Complete using multi interface, just because we can. */
 	used[0].id = head;
@@ -638,8 +638,8 @@ int main(int argc, char *argv[])
 	}
 
 	/* Now get many, and consume them all at once. */
-	vringh_iov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
-	vringh_iov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
+	vringh_kiov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
+	vringh_kiov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
 
 	for (i = 0; i < RINGSIZE; i++) {
 		err = vringh_getdesc_user(&vrh, &riov, &wiov, getrange, &head);
@@ -723,8 +723,8 @@ int main(int argc, char *argv[])
 		d[5].flags = 0;
 
 		/* Host picks it up (allocates new iov). */
-		vringh_iov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
-		vringh_iov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
+		vringh_kiov_init(&riov, host_riov, ARRAY_SIZE(host_riov));
+		vringh_kiov_init(&wiov, host_wiov, ARRAY_SIZE(host_wiov));
 
 		err = vringh_getdesc_user(&vrh, &riov, &wiov, getrange, &head);
 		if (err != 1)
@@ -744,7 +744,7 @@ int main(int argc, char *argv[])
 		/* Data should be linear. */
 		for (i = 0; i < err; i++)
 			assert(buf[i] == i);
-		vringh_iov_cleanup(&riov);
+		vringh_kiov_cleanup(&riov);
 	}
 
 	/* Don't leak memory... */
-- 
2.25.1