Module Name: src
Committed By: palle
Date: Fri Aug 19 19:40:27 UTC 2016
Added Files:
src/sys/arch/sparc64/dev: viovar.h
Log Message:
sun4v: vdsk and ldc drivers - from OpenBSD, but heavily adapted to NetBSD
scsipi - access to a virtual disk served from a ldom primary domain now works
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/arch/sparc64/dev/viovar.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/sys/arch/sparc64/dev/viovar.h
diff -u /dev/null src/sys/arch/sparc64/dev/viovar.h:1.1
--- /dev/null Fri Aug 19 19:40:27 2016
+++ src/sys/arch/sparc64/dev/viovar.h Fri Aug 19 19:40:27 2016
@@ -0,0 +1,128 @@
+/* $NetBSD: viovar.h,v 1.1 2016/08/19 19:40:27 palle Exp $ */
+/* $OpenBSD: viovar.h,v 1.2 2009/01/12 19:52:39 kettenis Exp $ */
+/*
+ * Copyright (c) 2009 Mark Kettenis
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * Virtual IO device protocol.
+ */
+
+struct vio_msg_tag {
+ uint8_t type;
+ uint8_t stype;
+ uint16_t stype_env;
+ uint32_t sid;
+};
+
+struct vio_msg {
+ uint64_t hdr;
+ uint8_t type;
+ uint8_t stype;
+ uint16_t stype_env;
+ uint32_t sid;
+ uint16_t major;
+ uint16_t minor;
+ uint8_t dev_class;
+};
+
+/* Message types. */
+#define VIO_TYPE_CTRL 0x01
+#define VIO_TYPE_DATA 0x02
+#define VIO_TYPE_ERR 0x04
+
+/* Sub-Message types. */
+#define VIO_SUBTYPE_INFO 0x01
+#define VIO_SUBTYPE_ACK 0x02
+#define VIO_SUBTYPE_NACK 0x04
+
+/* Sub-Type envelopes. */
+#define VIO_VER_INFO 0x0001
+#define VIO_ATTR_INFO 0x0002
+#define VIO_DRING_REG 0x0003
+#define VIO_DRING_UNREG 0x0004
+#define VIO_RDX 0x0005
+
+#define VIO_PKT_DATA 0x0040
+#define VIO_DESC_DATA 0x0041
+#define VIO_DRING_DATA 0x0042
+
+struct vio_ver_info {
+ struct vio_msg_tag tag;
+ uint16_t major;
+ uint16_t minor;
+ uint8_t dev_class;
+ uint8_t _reserved1[3];
+ uint64_t _reserved2[5];
+};
+
+/* Device types. */
+#define VDEV_NETWORK 0x01
+#define VDEV_NETWORK_SWITCH 0x02
+#define VDEV_DISK 0x03
+#define VDEV_DISK_SERVER 0x04
+
+struct vio_dring_reg {
+ struct vio_msg_tag tag;
+ uint64_t dring_ident;
+ uint32_t num_descriptors;
+ uint32_t descriptor_size;
+ uint16_t options;
+ uint16_t _reserved;
+ uint32_t ncookies;
+ struct ldc_cookie cookie[1];
+};
+
+/* Ring options. */
+#define VIO_TX_RING 0x0001
+#define VIO_RX_RING 0x0002
+
+/* Transfer modes. */
+#define VIO_PKT_MODE 0x01
+#define VIO_DESC_MODE 0x02
+#define VIO_DRING_MODE 0x03
+
+struct vio_dring_hdr {
+ uint8_t dstate;
+ uint8_t ack: 1;
+ uint16_t _reserved[3];
+};
+
+/* Descriptor states. */
+#define VIO_DESC_FREE 0x01
+#define VIO_DESC_READY 0x02
+#define VIO_DESC_ACCEPTED 0x03
+#define VIO_DESC_DONE 0x04
+
+struct vio_dring_msg {
+ struct vio_msg_tag tag;
+ uint64_t seq_no;
+ uint64_t dring_ident;
+ uint32_t start_idx;
+ uint32_t end_idx;
+ uint8_t proc_state;
+ uint8_t _reserved1[7];
+ uint64_t _reserved2[2];
+};
+
+/* Ring states. */
+#define VIO_DP_ACTIVE 0x01
+#define VIO_DP_STOPPED 0x02
+
+struct vio_rdx {
+ struct vio_msg_tag tag;
+ uint64_t _reserved[6];
+};
+
