Thread (19 messages) flat view 19 messages, 4 authors, 2022-03-16

Re: [PATCH v7 2/4] vdpa: Allow for printing negotiated features of a device

From: David Ahern <dsahern@kernel.org>
Date: 2022-03-14 15:07:55

On 3/13/22 11:12 AM, Eli Cohen wrote:
quoted hunk ↗ jump to hunk
@@ -385,6 +388,97 @@ static const char *parse_class(int num)
 	return class ? class : "< unknown class >";
 }
 
+static const char * const net_feature_strs[64] = {
+	[VIRTIO_NET_F_CSUM] = "CSUM",
+	[VIRTIO_NET_F_GUEST_CSUM] = "GUEST_CSUM",
+	[VIRTIO_NET_F_CTRL_GUEST_OFFLOADS] = "CTRL_GUEST_OFFLOADS",
+	[VIRTIO_NET_F_MTU] = "MTU",
+	[VIRTIO_NET_F_MAC] = "MAC",
+	[VIRTIO_NET_F_GUEST_TSO4] = "GUEST_TSO4",
+	[VIRTIO_NET_F_GUEST_TSO6] = "GUEST_TSO6",
+	[VIRTIO_NET_F_GUEST_ECN] = "GUEST_ECN",
+	[VIRTIO_NET_F_GUEST_UFO] = "GUEST_UFO",
+	[VIRTIO_NET_F_HOST_TSO4] = "HOST_TSO4",
+	[VIRTIO_NET_F_HOST_TSO6] = "HOST_TSO6",
+	[VIRTIO_NET_F_HOST_ECN] = "HOST_ECN",
+	[VIRTIO_NET_F_HOST_UFO] = "HOST_UFO",
+	[VIRTIO_NET_F_MRG_RXBUF] = "MRG_RXBUF",
+	[VIRTIO_NET_F_STATUS] = "STATUS",
+	[VIRTIO_NET_F_CTRL_VQ] = "CTRL_VQ",
+	[VIRTIO_NET_F_CTRL_RX] = "CTRL_RX",
+	[VIRTIO_NET_F_CTRL_VLAN] = "CTRL_VLAN",
+	[VIRTIO_NET_F_CTRL_RX_EXTRA] = "CTRL_RX_EXTRA",
+	[VIRTIO_NET_F_GUEST_ANNOUNCE] = "GUEST_ANNOUNCE",
+	[VIRTIO_NET_F_MQ] = "MQ",
+	[VIRTIO_F_NOTIFY_ON_EMPTY] = "NOTIFY_ON_EMPTY",
+	[VIRTIO_NET_F_CTRL_MAC_ADDR] = "CTRL_MAC_ADDR",
+	[VIRTIO_F_ANY_LAYOUT] = "ANY_LAYOUT",
+	[VIRTIO_NET_F_RSC_EXT] = "RSC_EXT",
+	[VIRTIO_NET_F_HASH_REPORT] = "HASH_REPORT",
+	[VIRTIO_NET_F_RSS] = "RSS",
+	[VIRTIO_NET_F_STANDBY] = "STANDBY",
+	[VIRTIO_NET_F_SPEED_DUPLEX] = "SPEED_DUPLEX",
not very easy on the eyes. Please send a followup that column aligns the
strings. e.g.,
@@ -403,9 +403,9 @@ static const char *parse_class(int num)
 }

 static const char * const net_feature_strs[64] = {
-       [VIRTIO_NET_F_CSUM] = "CSUM",
-       [VIRTIO_NET_F_GUEST_CSUM] = "GUEST_CSUM",
-       [VIRTIO_NET_F_CTRL_GUEST_OFFLOADS] = "CTRL_GUEST_OFFLOADS",
+       [VIRTIO_NET_F_CSUM]                     = "CSUM",
+       [VIRTIO_NET_F_GUEST_CSUM]               = "GUEST_CSUM",
+       [VIRTIO_NET_F_CTRL_GUEST_OFFLOADS]      = "CTRL_GUEST_OFFLOADS",
...

+};
+
+#define VIRTIO_F_IN_ORDER 35
+#define VIRTIO_F_NOTIFICATION_DATA 38
+#define VDPA_EXT_FEATURES_SZ (VIRTIO_TRANSPORT_F_END - \
+			      VIRTIO_TRANSPORT_F_START + 1)
+
+static const char * const ext_feature_strs[VDPA_EXT_FEATURES_SZ] = {
+	[VIRTIO_RING_F_INDIRECT_DESC - VIRTIO_TRANSPORT_F_START] = "RING_INDIRECT_DESC",
+	[VIRTIO_RING_F_EVENT_IDX - VIRTIO_TRANSPORT_F_START] = "RING_EVENT_IDX",
+	[VIRTIO_F_VERSION_1 - VIRTIO_TRANSPORT_F_START] = "VERSION_1",
+	[VIRTIO_F_ACCESS_PLATFORM - VIRTIO_TRANSPORT_F_START] = "ACCESS_PLATFORM",
+	[VIRTIO_F_RING_PACKED - VIRTIO_TRANSPORT_F_START] = "RING_PACKED",
+	[VIRTIO_F_IN_ORDER - VIRTIO_TRANSPORT_F_START] = "IN_ORDER",
+	[VIRTIO_F_ORDER_PLATFORM - VIRTIO_TRANSPORT_F_START] = "ORDER_PLATFORM",
+	[VIRTIO_F_SR_IOV - VIRTIO_TRANSPORT_F_START] = "SR_IOV",
+	[VIRTIO_F_NOTIFICATION_DATA - VIRTIO_TRANSPORT_F_START] = "NOTIFICATION_DATA",
and the entries here should be a macro to handle the
VIRTIO_TRANSPORT_F_START  offset with column aligned strings.

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