Adding upstream version 7.4.upstream/7.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 183 insertions, 0 deletions

diff --git a/netbsd_nvme_ioctl.h b/netbsd_nvme_ioctl.h
new file mode 100644
index 0000000..477139c
--- /dev/null
+++ b/netbsd_nvme_ioctl.h
@@ -0,0 +1,183 @@
+/*	$NetBSD: nvmereg.h,v 1.1 2016/05/01 10:21:02 nonaka Exp $	*/
+/*	$OpenBSD: nvmereg.h,v 1.10 2016/04/14 11:18:32 dlg Exp $ */
+
+/*
+ * Copyright (c) 2014 David Gwynne <dlg@openbsd.org>
+ *
+ * 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.
+ */
+
+#include <sys/param.h>
+
+struct nvme_sge {
+	uint8_t		id;
+	uint8_t		_reserved[15];
+} __packed __aligned(8);
+
+struct nvme_sqe {
+	uint8_t		opcode;
+	uint8_t		flags;
+	uint16_t	cid;
+
+	uint32_t	nsid;
+
+	uint8_t		_reserved[8];
+
+	uint64_t	mptr;
+
+	union {
+		uint64_t	prp[2];
+		struct nvme_sge	sge;
+	} __packed	entry;
+
+	uint32_t	cdw10;
+	uint32_t	cdw11;
+	uint32_t	cdw12;
+	uint32_t	cdw13;
+	uint32_t	cdw14;
+	uint32_t	cdw15;
+} __packed __aligned(8);
+
+struct nvme_cqe {
+	uint32_t	cdw0;
+
+	uint32_t	_reserved;
+
+	uint16_t	sqhd; /* SQ Head Pointer */
+	uint16_t	sqid; /* SQ Identifier */
+
+	uint16_t	cid; /* Command Identifier */
+	uint16_t	flags;
+#define NVME_CQE_DNR		__BIT(15)
+#define NVME_CQE_M		__BIT(14)
+#define NVME_CQE_SCT(_f)	((_f) & (0x07 << 8))
+#define  NVME_CQE_SCT_GENERIC		(0x00 << 8)
+#define  NVME_CQE_SCT_COMMAND		(0x01 << 8)
+#define  NVME_CQE_SCT_MEDIAERR		(0x02 << 8)
+#define  NVME_CQE_SCT_VENDOR		(0x07 << 8)
+#define NVME_CQE_SC(_f)		((_f) & (0x7f << 1))
+#define  NVME_CQE_SC_SUCCESS		(0x00 << 1)
+#define  NVME_CQE_SC_INVALID_OPCODE	(0x01 << 1)
+#define  NVME_CQE_SC_INVALID_FIELD	(0x02 << 1)
+#define  NVME_CQE_SC_CID_CONFLICT	(0x03 << 1)
+#define  NVME_CQE_SC_DATA_XFER_ERR	(0x04 << 1)
+#define  NVME_CQE_SC_ABRT_BY_NO_PWR	(0x05 << 1)
+#define  NVME_CQE_SC_INTERNAL_DEV_ERR	(0x06 << 1)
+#define  NVME_CQE_SC_CMD_ABRT_REQD	(0x07 << 1)
+#define  NVME_CQE_SC_CMD_ABDR_SQ_DEL	(0x08 << 1)
+#define  NVME_CQE_SC_CMD_ABDR_FUSE_ERR	(0x09 << 1)
+#define  NVME_CQE_SC_CMD_ABDR_FUSE_MISS	(0x0a << 1)
+#define  NVME_CQE_SC_INVALID_NS		(0x0b << 1)
+#define  NVME_CQE_SC_CMD_SEQ_ERR	(0x0c << 1)
+#define  NVME_CQE_SC_INVALID_LAST_SGL	(0x0d << 1)
+#define  NVME_CQE_SC_INVALID_NUM_SGL	(0x0e << 1)
+#define  NVME_CQE_SC_DATA_SGL_LEN	(0x0f << 1)
+#define  NVME_CQE_SC_MDATA_SGL_LEN	(0x10 << 1)
+#define  NVME_CQE_SC_SGL_TYPE_INVALID	(0x11 << 1)
+#define  NVME_CQE_SC_LBA_RANGE		(0x80 << 1)
+#define  NVME_CQE_SC_CAP_EXCEEDED	(0x81 << 1)
+#define  NVME_CQE_NS_NOT_RDY		(0x82 << 1)
+#define  NVME_CQE_RSV_CONFLICT		(0x83 << 1)
+#define NVME_CQE_PHASE		__BIT(0)
+} __packed __aligned(8);
+
+/*-
+ * Copyright (C) 2012-2013 Intel Corporation
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#define	NVME_PASSTHROUGH_CMD		_IOWR('n', 0, struct nvme_pt_command)
+
+#define	nvme_completion_is_error(cpl)					\
+	((NVME_CQE_SC((cpl)->flags) != NVME_CQE_SC_SUCCESS)   		\
+	    || (NVME_CQE_SCT((cpl)->flags) != NVME_CQE_SCT_GENERIC))
+
+struct nvme_pt_command {
+
+	/*
+	 * cmd is used to specify a passthrough command to a controller or
+	 *  namespace.
+	 *
+	 * The following fields from cmd may be specified by the caller:
+	 *	* opcode
+	 *	* nsid (namespace id) - for admin commands only
+	 *	* cdw10-cdw15
+	 *
+	 * Remaining fields must be set to 0 by the caller.
+	 */
+	struct nvme_sqe		cmd;
+
+	/*
+	 * cpl returns completion status for the passthrough command
+	 *  specified by cmd.
+	 *
+	 * The following fields will be filled out by the driver, for
+	 *  consumption by the caller:
+	 *	* cdw0
+	 *	* flags (except for phase)
+	 *
+	 * Remaining fields will be set to 0 by the driver.
+	 */
+	struct nvme_cqe		cpl;
+
+	/* buf is the data buffer associated with this passthrough command. */
+	void			*buf;
+
+	/*
+	 * len is the length of the data buffer associated with this
+	 *  passthrough command.
+	 */
+	uint32_t		len;
+
+	/*
+	 * is_read = 1 if the passthrough command will read data into the
+	 *  supplied buffer from the controller.
+	 *
+	 * is_read = 0 if the passthrough command will write data from the
+	 *  supplied buffer to the controller.
+	 */
+	uint32_t		is_read;
+
+	/*
+	 * timeout (unit: ms)
+	 *
+	 * 0: use default timeout value
+	 */
+	uint32_t		timeout;
+};
+
+#define NVME_PREFIX		"/dev/nvme"
+#define NVME_NS_PREFIX		"ns"