RDMA/amso1100: Deprecate the amso1100 driver and move to staging

The HW hasn't been sold since 2005, and the SW has definite bit rot.
Its time to remove it.  So move it to staging for a few releases and
then remove it after that.

Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

1 files changed, 1520 insertions, 0 deletions

diff --git a/drivers/staging/rdma/amso1100/c2_wr.h b/drivers/staging/rdma/amso1100/c2_wr.h
new file mode 100644
index 000000000000..8d4b4ca463ca
--- /dev/null
+++ b/drivers/staging/rdma/amso1100/c2_wr.h
@@ -0,0 +1,1520 @@
+/*
+ * Copyright (c) 2005 Ammasso, Inc. All rights reserved.
+ * Copyright (c) 2005 Open Grid Computing, Inc. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - 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.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef _C2_WR_H_
+#define _C2_WR_H_
+
+#ifdef CCDEBUG
+#define CCWR_MAGIC		0xb07700b0
+#endif
+
+#define C2_QP_NO_ATTR_CHANGE 0xFFFFFFFF
+
+/* Maximum allowed size in bytes of private_data exchange
+ * on connect.
+ */
+#define C2_MAX_PRIVATE_DATA_SIZE 200
+
+/*
+ * These types are shared among the adapter, host, and CCIL consumer.
+ */
+enum c2_cq_notification_type {
+	C2_CQ_NOTIFICATION_TYPE_NONE = 1,
+	C2_CQ_NOTIFICATION_TYPE_NEXT,
+	C2_CQ_NOTIFICATION_TYPE_NEXT_SE
+};
+
+enum c2_setconfig_cmd {
+	C2_CFG_ADD_ADDR = 1,
+	C2_CFG_DEL_ADDR = 2,
+	C2_CFG_ADD_ROUTE = 3,
+	C2_CFG_DEL_ROUTE = 4
+};
+
+enum c2_getconfig_cmd {
+	C2_GETCONFIG_ROUTES = 1,
+	C2_GETCONFIG_ADDRS
+};
+
+/*
+ *  CCIL Work Request Identifiers
+ */
+enum c2wr_ids {
+	CCWR_RNIC_OPEN = 1,
+	CCWR_RNIC_QUERY,
+	CCWR_RNIC_SETCONFIG,
+	CCWR_RNIC_GETCONFIG,
+	CCWR_RNIC_CLOSE,
+	CCWR_CQ_CREATE,
+	CCWR_CQ_QUERY,
+	CCWR_CQ_MODIFY,
+	CCWR_CQ_DESTROY,
+	CCWR_QP_CONNECT,
+	CCWR_PD_ALLOC,
+	CCWR_PD_DEALLOC,
+	CCWR_SRQ_CREATE,
+	CCWR_SRQ_QUERY,
+	CCWR_SRQ_MODIFY,
+	CCWR_SRQ_DESTROY,
+	CCWR_QP_CREATE,
+	CCWR_QP_QUERY,
+	CCWR_QP_MODIFY,
+	CCWR_QP_DESTROY,
+	CCWR_NSMR_STAG_ALLOC,
+	CCWR_NSMR_REGISTER,
+	CCWR_NSMR_PBL,
+	CCWR_STAG_DEALLOC,
+	CCWR_NSMR_REREGISTER,
+	CCWR_SMR_REGISTER,
+	CCWR_MR_QUERY,
+	CCWR_MW_ALLOC,
+	CCWR_MW_QUERY,
+	CCWR_EP_CREATE,
+	CCWR_EP_GETOPT,
+	CCWR_EP_SETOPT,
+	CCWR_EP_DESTROY,
+	CCWR_EP_BIND,
+	CCWR_EP_CONNECT,
+	CCWR_EP_LISTEN,
+	CCWR_EP_SHUTDOWN,
+	CCWR_EP_LISTEN_CREATE,
+	CCWR_EP_LISTEN_DESTROY,
+	CCWR_EP_QUERY,
+	CCWR_CR_ACCEPT,
+	CCWR_CR_REJECT,
+	CCWR_CONSOLE,
+	CCWR_TERM,
+	CCWR_FLASH_INIT,
+	CCWR_FLASH,
+	CCWR_BUF_ALLOC,
+	CCWR_BUF_FREE,
+	CCWR_FLASH_WRITE,
+	CCWR_INIT,		/* WARNING: Don't move this ever again! */
+
+
+
+	/* Add new IDs here */
+
+
+
+	/*
+	 * WARNING: CCWR_LAST must always be the last verbs id defined!
+	 *          All the preceding IDs are fixed, and must not change.
+	 *          You can add new IDs, but must not remove or reorder
+	 *          any IDs. If you do, YOU will ruin any hope of
+	 *          compatibility between versions.
+	 */
+	CCWR_LAST,
+
+	/*
+	 * Start over at 1 so that arrays indexed by user wr id's
+	 * begin at 1.  This is OK since the verbs and user wr id's
+	 * are always used on disjoint sets of queues.
+	 */
+	/*
+	 * The order of the CCWR_SEND_XX verbs must
+	 * match the order of the RDMA_OPs
+	 */
+	CCWR_SEND = 1,
+	CCWR_SEND_INV,
+	CCWR_SEND_SE,
+	CCWR_SEND_SE_INV,
+	CCWR_RDMA_WRITE,
+	CCWR_RDMA_READ,
+	CCWR_RDMA_READ_INV,
+	CCWR_MW_BIND,
+	CCWR_NSMR_FASTREG,
+	CCWR_STAG_INVALIDATE,
+	CCWR_RECV,
+	CCWR_NOP,
+	CCWR_UNIMPL,
+/* WARNING: This must always be the last user wr id defined! */
+};
+#define RDMA_SEND_OPCODE_FROM_WR_ID(x)   (x+2)
+
+/*
+ * SQ/RQ Work Request Types
+ */
+enum c2_wr_type {
+	C2_WR_TYPE_SEND = CCWR_SEND,
+	C2_WR_TYPE_SEND_SE = CCWR_SEND_SE,
+	C2_WR_TYPE_SEND_INV = CCWR_SEND_INV,
+	C2_WR_TYPE_SEND_SE_INV = CCWR_SEND_SE_INV,
+	C2_WR_TYPE_RDMA_WRITE = CCWR_RDMA_WRITE,
+	C2_WR_TYPE_RDMA_READ = CCWR_RDMA_READ,
+	C2_WR_TYPE_RDMA_READ_INV_STAG = CCWR_RDMA_READ_INV,
+	C2_WR_TYPE_BIND_MW = CCWR_MW_BIND,
+	C2_WR_TYPE_FASTREG_NSMR = CCWR_NSMR_FASTREG,
+	C2_WR_TYPE_INV_STAG = CCWR_STAG_INVALIDATE,
+	C2_WR_TYPE_RECV = CCWR_RECV,
+	C2_WR_TYPE_NOP = CCWR_NOP,
+};
+
+struct c2_netaddr {
+	__be32 ip_addr;
+	__be32 netmask;
+	u32 mtu;
+};
+
+struct c2_route {
+	u32 ip_addr;		/* 0 indicates the default route */
+	u32 netmask;		/* netmask associated with dst */
+	u32 flags;
+	union {
+		u32 ipaddr;	/* address of the nexthop interface */
+		u8 enaddr[6];
+	} nexthop;
+};
+
+/*
+ * A Scatter Gather Entry.
+ */
+struct c2_data_addr {
+	__be32 stag;
+	__be32 length;
+	__be64 to;
+};
+
+/*
+ * MR and MW flags used by the consumer, RI, and RNIC.
+ */
+enum c2_mm_flags {
+	MEM_REMOTE = 0x0001,	/* allow mw binds with remote access. */
+	MEM_VA_BASED = 0x0002,	/* Not Zero-based */
+	MEM_PBL_COMPLETE = 0x0004,	/* PBL array is complete in this msg */
+	MEM_LOCAL_READ = 0x0008,	/* allow local reads */
+	MEM_LOCAL_WRITE = 0x0010,	/* allow local writes */
+	MEM_REMOTE_READ = 0x0020,	/* allow remote reads */
+	MEM_REMOTE_WRITE = 0x0040,	/* allow remote writes */
+	MEM_WINDOW_BIND = 0x0080,	/* binds allowed */
+	MEM_SHARED = 0x0100,	/* set if MR is shared */
+	MEM_STAG_VALID = 0x0200	/* set if STAG is in valid state */
+};
+
+/*
+ * CCIL API ACF flags defined in terms of the low level mem flags.
+ * This minimizes translation needed in the user API
+ */
+enum c2_acf {
+	C2_ACF_LOCAL_READ = MEM_LOCAL_READ,
+	C2_ACF_LOCAL_WRITE = MEM_LOCAL_WRITE,
+	C2_ACF_REMOTE_READ = MEM_REMOTE_READ,
+	C2_ACF_REMOTE_WRITE = MEM_REMOTE_WRITE,
+	C2_ACF_WINDOW_BIND = MEM_WINDOW_BIND
+};
+
+/*
+ * Image types of objects written to flash
+ */
+#define C2_FLASH_IMG_BITFILE 1
+#define C2_FLASH_IMG_OPTION_ROM 2
+#define C2_FLASH_IMG_VPD 3
+
+/*
+ *  to fix bug 1815 we define the max size allowable of the
+ *  terminate message (per the IETF spec).Refer to the IETF
+ *  protocol specification, section 12.1.6, page 64)
+ *  The message is prefixed by 20 types of DDP info.
+ *
+ *  Then the message has 6 bytes for the terminate control
+ *  and DDP segment length info plus a DDP header (either
+ *  14 or 18 byts) plus 28 bytes for the RDMA header.
+ *  Thus the max size in:
+ *  20 + (6 + 18 + 28) = 72
+ */
+#define C2_MAX_TERMINATE_MESSAGE_SIZE (72)
+
+/*
+ * Build String Length.  It must be the same as C2_BUILD_STR_LEN in ccil_api.h
+ */
+#define WR_BUILD_STR_LEN 64
+
+/*
+ * WARNING:  All of these structs need to align any 64bit types on
+ * 64 bit boundaries!  64bit types include u64 and u64.
+ */
+
+/*
+ * Clustercore Work Request Header.  Be sensitive to field layout
+ * and alignment.
+ */
+struct c2wr_hdr {
+	/* wqe_count is part of the cqe.  It is put here so the
+	 * adapter can write to it while the wr is pending without
+	 * clobbering part of the wr.  This word need not be dma'd
+	 * from the host to adapter by libccil, but we copy it anyway
+	 * to make the memcpy to the adapter better aligned.
+	 */
+	__be32 wqe_count;
+
+	/* Put these fields next so that later 32- and 64-bit
+	 * quantities are naturally aligned.
+	 */
+	u8 id;
+	u8 result;		/* adapter -> host */
+	u8 sge_count;		/* host -> adapter */
+	u8 flags;		/* host -> adapter */
+
+	u64 context;
+#ifdef CCMSGMAGIC
+	u32 magic;
+	u32 pad;
+#endif
+} __attribute__((packed));
+
+/*
+ *------------------------ RNIC ------------------------
+ */
+
+/*
+ * WR_RNIC_OPEN
+ */
+
+/*
+ * Flags for the RNIC WRs
+ */
+enum c2_rnic_flags {
+	RNIC_IRD_STATIC = 0x0001,
+	RNIC_ORD_STATIC = 0x0002,
+	RNIC_QP_STATIC = 0x0004,
+	RNIC_SRQ_SUPPORTED = 0x0008,
+	RNIC_PBL_BLOCK_MODE = 0x0010,
+	RNIC_SRQ_MODEL_ARRIVAL = 0x0020,
+	RNIC_CQ_OVF_DETECTED = 0x0040,
+	RNIC_PRIV_MODE = 0x0080
+};
+
+struct c2wr_rnic_open_req {
+	struct c2wr_hdr hdr;
+	u64 user_context;
+	__be16 flags;		/* See enum c2_rnic_flags */
+	__be16 port_num;
+} __attribute__((packed));
+
+struct c2wr_rnic_open_rep {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+} __attribute__((packed));
+
+union c2wr_rnic_open {
+	struct c2wr_rnic_open_req req;
+	struct c2wr_rnic_open_rep rep;
+} __attribute__((packed));
+
+struct c2wr_rnic_query_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+} __attribute__((packed));
+
+/*
+ * WR_RNIC_QUERY
+ */
+struct c2wr_rnic_query_rep {
+	struct c2wr_hdr hdr;
+	u64 user_context;
+	__be32 vendor_id;
+	__be32 part_number;
+	__be32 hw_version;
+	__be32 fw_ver_major;
+	__be32 fw_ver_minor;
+	__be32 fw_ver_patch;
+	char fw_ver_build_str[WR_BUILD_STR_LEN];
+	__be32 max_qps;
+	__be32 max_qp_depth;
+	u32 max_srq_depth;
+	u32 max_send_sgl_depth;
+	u32 max_rdma_sgl_depth;
+	__be32 max_cqs;
+	__be32 max_cq_depth;
+	u32 max_cq_event_handlers;
+	__be32 max_mrs;
+	u32 max_pbl_depth;
+	__be32 max_pds;
+	__be32 max_global_ird;
+	u32 max_global_ord;
+	__be32 max_qp_ird;
+	__be32 max_qp_ord;
+	u32 flags;
+	__be32 max_mws;
+	u32 pbe_range_low;
+	u32 pbe_range_high;
+	u32 max_srqs;
+	u32 page_size;
+} __attribute__((packed));
+
+union c2wr_rnic_query {
+	struct c2wr_rnic_query_req req;
+	struct c2wr_rnic_query_rep rep;
+} __attribute__((packed));
+
+/*
+ * WR_RNIC_GETCONFIG
+ */
+
+struct c2wr_rnic_getconfig_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 option;		/* see c2_getconfig_cmd_t */
+	u64 reply_buf;
+	u32 reply_buf_len;
+} __attribute__((packed)) ;
+
+struct c2wr_rnic_getconfig_rep {
+	struct c2wr_hdr hdr;
+	u32 option;		/* see c2_getconfig_cmd_t */
+	u32 count_len;		/* length of the number of addresses configured */
+} __attribute__((packed)) ;
+
+union c2wr_rnic_getconfig {
+	struct c2wr_rnic_getconfig_req req;
+	struct c2wr_rnic_getconfig_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ * WR_RNIC_SETCONFIG
+ */
+struct c2wr_rnic_setconfig_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	__be32 option;		/* See c2_setconfig_cmd_t */
+	/* variable data and pad. See c2_netaddr and c2_route */
+	u8 data[0];
+} __attribute__((packed)) ;
+
+struct c2wr_rnic_setconfig_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_rnic_setconfig {
+	struct c2wr_rnic_setconfig_req req;
+	struct c2wr_rnic_setconfig_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ * WR_RNIC_CLOSE
+ */
+struct c2wr_rnic_close_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+} __attribute__((packed)) ;
+
+struct c2wr_rnic_close_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_rnic_close {
+	struct c2wr_rnic_close_req req;
+	struct c2wr_rnic_close_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ *------------------------ CQ ------------------------
+ */
+struct c2wr_cq_create_req {
+	struct c2wr_hdr hdr;
+	__be64 shared_ht;
+	u64 user_context;
+	__be64 msg_pool;
+	u32 rnic_handle;
+	__be32 msg_size;
+	__be32 depth;
+} __attribute__((packed)) ;
+
+struct c2wr_cq_create_rep {
+	struct c2wr_hdr hdr;
+	__be32 mq_index;
+	__be32 adapter_shared;
+	u32 cq_handle;
+} __attribute__((packed)) ;
+
+union c2wr_cq_create {
+	struct c2wr_cq_create_req req;
+	struct c2wr_cq_create_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_cq_modify_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 cq_handle;
+	u32 new_depth;
+	u64 new_msg_pool;
+} __attribute__((packed)) ;
+
+struct c2wr_cq_modify_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_cq_modify {
+	struct c2wr_cq_modify_req req;
+	struct c2wr_cq_modify_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_cq_destroy_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 cq_handle;
+} __attribute__((packed)) ;
+
+struct c2wr_cq_destroy_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_cq_destroy {
+	struct c2wr_cq_destroy_req req;
+	struct c2wr_cq_destroy_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ *------------------------ PD ------------------------
+ */
+struct c2wr_pd_alloc_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 pd_id;
+} __attribute__((packed)) ;
+
+struct c2wr_pd_alloc_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_pd_alloc {
+	struct c2wr_pd_alloc_req req;
+	struct c2wr_pd_alloc_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_pd_dealloc_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 pd_id;
+} __attribute__((packed)) ;
+
+struct c2wr_pd_dealloc_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_pd_dealloc {
+	struct c2wr_pd_dealloc_req req;
+	struct c2wr_pd_dealloc_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ *------------------------ SRQ ------------------------
+ */
+struct c2wr_srq_create_req {
+	struct c2wr_hdr hdr;
+	u64 shared_ht;
+	u64 user_context;
+	u32 rnic_handle;
+	u32 srq_depth;
+	u32 srq_limit;
+	u32 sgl_depth;
+	u32 pd_id;
+} __attribute__((packed)) ;
+
+struct c2wr_srq_create_rep {
+	struct c2wr_hdr hdr;
+	u32 srq_depth;
+	u32 sgl_depth;
+	u32 msg_size;
+	u32 mq_index;
+	u32 mq_start;
+	u32 srq_handle;
+} __attribute__((packed)) ;
+
+union c2wr_srq_create {
+	struct c2wr_srq_create_req req;
+	struct c2wr_srq_create_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_srq_destroy_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 srq_handle;
+} __attribute__((packed)) ;
+
+struct c2wr_srq_destroy_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_srq_destroy {
+	struct c2wr_srq_destroy_req req;
+	struct c2wr_srq_destroy_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ *------------------------ QP ------------------------
+ */
+enum c2wr_qp_flags {
+	QP_RDMA_READ = 0x00000001,	/* RDMA read enabled? */
+	QP_RDMA_WRITE = 0x00000002,	/* RDMA write enabled? */
+	QP_MW_BIND = 0x00000004,	/* MWs enabled */
+	QP_ZERO_STAG = 0x00000008,	/* enabled? */
+	QP_REMOTE_TERMINATION = 0x00000010,	/* remote end terminated */
+	QP_RDMA_READ_RESPONSE = 0x00000020	/* Remote RDMA read  */
+	    /* enabled? */
+};
+
+struct c2wr_qp_create_req {
+	struct c2wr_hdr hdr;
+	__be64 shared_sq_ht;
+	__be64 shared_rq_ht;
+	u64 user_context;
+	u32 rnic_handle;
+	u32 sq_cq_handle;
+	u32 rq_cq_handle;
+	__be32 sq_depth;
+	__be32 rq_depth;
+	u32 srq_handle;
+	u32 srq_limit;
+	__be32 flags;		/* see enum c2wr_qp_flags */
+	__be32 send_sgl_depth;
+	__be32 recv_sgl_depth;
+	__be32 rdma_write_sgl_depth;
+	__be32 ord;
+	__be32 ird;
+	u32 pd_id;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_create_rep {
+	struct c2wr_hdr hdr;
+	__be32 sq_depth;
+	__be32 rq_depth;
+	u32 send_sgl_depth;
+	u32 recv_sgl_depth;
+	u32 rdma_write_sgl_depth;
+	u32 ord;
+	u32 ird;
+	__be32 sq_msg_size;
+	__be32 sq_mq_index;
+	__be32 sq_mq_start;
+	__be32 rq_msg_size;
+	__be32 rq_mq_index;
+	__be32 rq_mq_start;
+	u32 qp_handle;
+} __attribute__((packed)) ;
+
+union c2wr_qp_create {
+	struct c2wr_qp_create_req req;
+	struct c2wr_qp_create_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_query_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 qp_handle;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_query_rep {
+	struct c2wr_hdr hdr;
+	u64 user_context;
+	u32 rnic_handle;
+	u32 sq_depth;
+	u32 rq_depth;
+	u32 send_sgl_depth;
+	u32 rdma_write_sgl_depth;
+	u32 recv_sgl_depth;
+	u32 ord;
+	u32 ird;
+	u16 qp_state;
+	u16 flags;		/* see c2wr_qp_flags_t */
+	u32 qp_id;
+	u32 local_addr;
+	u32 remote_addr;
+	u16 local_port;
+	u16 remote_port;
+	u32 terminate_msg_length;	/* 0 if not present */
+	u8 data[0];
+	/* Terminate Message in-line here. */
+} __attribute__((packed)) ;
+
+union c2wr_qp_query {
+	struct c2wr_qp_query_req req;
+	struct c2wr_qp_query_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_modify_req {
+	struct c2wr_hdr hdr;
+	u64 stream_msg;
+	u32 stream_msg_length;
+	u32 rnic_handle;
+	u32 qp_handle;
+	__be32 next_qp_state;
+	__be32 ord;
+	__be32 ird;
+	__be32 sq_depth;
+	__be32 rq_depth;
+	u32 llp_ep_handle;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_modify_rep {
+	struct c2wr_hdr hdr;
+	u32 ord;
+	u32 ird;
+	u32 sq_depth;
+	u32 rq_depth;
+	u32 sq_msg_size;
+	u32 sq_mq_index;
+	u32 sq_mq_start;
+	u32 rq_msg_size;
+	u32 rq_mq_index;
+	u32 rq_mq_start;
+} __attribute__((packed)) ;
+
+union c2wr_qp_modify {
+	struct c2wr_qp_modify_req req;
+	struct c2wr_qp_modify_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_destroy_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 qp_handle;
+} __attribute__((packed)) ;
+
+struct c2wr_qp_destroy_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_qp_destroy {
+	struct c2wr_qp_destroy_req req;
+	struct c2wr_qp_destroy_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ * The CCWR_QP_CONNECT msg is posted on the verbs request queue.  It can
+ * only be posted when a QP is in IDLE state.  After the connect request is
+ * submitted to the LLP, the adapter moves the QP to CONNECT_PENDING state.
+ * No synchronous reply from adapter to this WR.  The results of
+ * connection are passed back in an async event CCAE_ACTIVE_CONNECT_RESULTS
+ * See c2wr_ae_active_connect_results_t
+ */
+struct c2wr_qp_connect_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 qp_handle;
+	__be32 remote_addr;
+	__be16 remote_port;
+	u16 pad;
+	__be32 private_data_length;
+	u8 private_data[0];	/* Private data in-line. */
+} __attribute__((packed)) ;
+
+struct c2wr_qp_connect {
+	struct c2wr_qp_connect_req req;
+	/* no synchronous reply.         */
+} __attribute__((packed)) ;
+
+
+/*
+ *------------------------ MM ------------------------
+ */
+
+struct c2wr_nsmr_stag_alloc_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 pbl_depth;
+	u32 pd_id;
+	u32 flags;
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_stag_alloc_rep {
+	struct c2wr_hdr hdr;
+	u32 pbl_depth;
+	u32 stag_index;
+} __attribute__((packed)) ;
+
+union c2wr_nsmr_stag_alloc {
+	struct c2wr_nsmr_stag_alloc_req req;
+	struct c2wr_nsmr_stag_alloc_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_register_req {
+	struct c2wr_hdr hdr;
+	__be64 va;
+	u32 rnic_handle;
+	__be16 flags;
+	u8 stag_key;
+	u8 pad;
+	u32 pd_id;
+	__be32 pbl_depth;
+	__be32 pbe_size;
+	__be32 fbo;
+	__be32 length;
+	__be32 addrs_length;
+	/* array of paddrs (must be aligned on a 64bit boundary) */
+	__be64 paddrs[0];
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_register_rep {
+	struct c2wr_hdr hdr;
+	u32 pbl_depth;
+	__be32 stag_index;
+} __attribute__((packed)) ;
+
+union c2wr_nsmr_register {
+	struct c2wr_nsmr_register_req req;
+	struct c2wr_nsmr_register_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_pbl_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	__be32 flags;
+	__be32 stag_index;
+	__be32 addrs_length;
+	/* array of paddrs (must be aligned on a 64bit boundary) */
+	__be64 paddrs[0];
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_pbl_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_nsmr_pbl {
+	struct c2wr_nsmr_pbl_req req;
+	struct c2wr_nsmr_pbl_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_mr_query_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 stag_index;
+} __attribute__((packed)) ;
+
+struct c2wr_mr_query_rep {
+	struct c2wr_hdr hdr;
+	u8 stag_key;
+	u8 pad[3];
+	u32 pd_id;
+	u32 flags;
+	u32 pbl_depth;
+} __attribute__((packed)) ;
+
+union c2wr_mr_query {
+	struct c2wr_mr_query_req req;
+	struct c2wr_mr_query_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_mw_query_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 stag_index;
+} __attribute__((packed)) ;
+
+struct c2wr_mw_query_rep {
+	struct c2wr_hdr hdr;
+	u8 stag_key;
+	u8 pad[3];
+	u32 pd_id;
+	u32 flags;
+} __attribute__((packed)) ;
+
+union c2wr_mw_query {
+	struct c2wr_mw_query_req req;
+	struct c2wr_mw_query_rep rep;
+} __attribute__((packed)) ;
+
+
+struct c2wr_stag_dealloc_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	__be32 stag_index;
+} __attribute__((packed)) ;
+
+struct c2wr_stag_dealloc_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed)) ;
+
+union c2wr_stag_dealloc {
+	struct c2wr_stag_dealloc_req req;
+	struct c2wr_stag_dealloc_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_reregister_req {
+	struct c2wr_hdr hdr;
+	u64 va;
+	u32 rnic_handle;
+	u16 flags;
+	u8 stag_key;
+	u8 pad;
+	u32 stag_index;
+	u32 pd_id;
+	u32 pbl_depth;
+	u32 pbe_size;
+	u32 fbo;
+	u32 length;
+	u32 addrs_length;
+	u32 pad1;
+	/* array of paddrs (must be aligned on a 64bit boundary) */
+	u64 paddrs[0];
+} __attribute__((packed)) ;
+
+struct c2wr_nsmr_reregister_rep {
+	struct c2wr_hdr hdr;
+	u32 pbl_depth;
+	u32 stag_index;
+} __attribute__((packed)) ;
+
+union c2wr_nsmr_reregister {
+	struct c2wr_nsmr_reregister_req req;
+	struct c2wr_nsmr_reregister_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_smr_register_req {
+	struct c2wr_hdr hdr;
+	u64 va;
+	u32 rnic_handle;
+	u16 flags;
+	u8 stag_key;
+	u8 pad;
+	u32 stag_index;
+	u32 pd_id;
+} __attribute__((packed)) ;
+
+struct c2wr_smr_register_rep {
+	struct c2wr_hdr hdr;
+	u32 stag_index;
+} __attribute__((packed)) ;
+
+union c2wr_smr_register {
+	struct c2wr_smr_register_req req;
+	struct c2wr_smr_register_rep rep;
+} __attribute__((packed)) ;
+
+struct c2wr_mw_alloc_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 pd_id;
+} __attribute__((packed)) ;
+
+struct c2wr_mw_alloc_rep {
+	struct c2wr_hdr hdr;
+	u32 stag_index;
+} __attribute__((packed)) ;
+
+union c2wr_mw_alloc {
+	struct c2wr_mw_alloc_req req;
+	struct c2wr_mw_alloc_rep rep;
+} __attribute__((packed)) ;
+
+/*
+ *------------------------ WRs -----------------------
+ */
+
+struct c2wr_user_hdr {
+	struct c2wr_hdr hdr;		/* Has status and WR Type */
+} __attribute__((packed)) ;
+
+enum c2_qp_state {
+	C2_QP_STATE_IDLE = 0x01,
+	C2_QP_STATE_CONNECTING = 0x02,
+	C2_QP_STATE_RTS = 0x04,
+	C2_QP_STATE_CLOSING = 0x08,
+	C2_QP_STATE_TERMINATE = 0x10,
+	C2_QP_STATE_ERROR = 0x20,
+};
+
+/* Completion queue entry. */
+struct c2wr_ce {
+	struct c2wr_hdr hdr;		/* Has status and WR Type */
+	u64 qp_user_context;	/* c2_user_qp_t * */
+	u32 qp_state;		/* Current QP State */
+	u32 handle;		/* QPID or EP Handle */
+	__be32 bytes_rcvd;		/* valid for RECV WCs */
+	u32 stag;
+} __attribute__((packed)) ;
+
+
+/*
+ * Flags used for all post-sq WRs.  These must fit in the flags
+ * field of the struct c2wr_hdr (eight bits).
+ */
+enum {
+	SQ_SIGNALED = 0x01,
+	SQ_READ_FENCE = 0x02,
+	SQ_FENCE = 0x04,
+};
+
+/*
+ * Common fields for all post-sq WRs.  Namely the standard header and a
+ * secondary header with fields common to all post-sq WRs.
+ */
+struct c2_sq_hdr {
+	struct c2wr_user_hdr user_hdr;
+} __attribute__((packed));
+
+/*
+ * Same as above but for post-rq WRs.
+ */
+struct c2_rq_hdr {
+	struct c2wr_user_hdr user_hdr;
+} __attribute__((packed));
+
+/*
+ * use the same struct for all sends.
+ */
+struct c2wr_send_req {
+	struct c2_sq_hdr sq_hdr;
+	__be32 sge_len;
+	__be32 remote_stag;
+	u8 data[0];		/* SGE array */
+} __attribute__((packed));
+
+union c2wr_send {
+	struct c2wr_send_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+struct c2wr_rdma_write_req {
+	struct c2_sq_hdr sq_hdr;
+	__be64 remote_to;
+	__be32 remote_stag;
+	__be32 sge_len;
+	u8 data[0];		/* SGE array */
+} __attribute__((packed));
+
+union c2wr_rdma_write {
+	struct c2wr_rdma_write_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+struct c2wr_rdma_read_req {
+	struct c2_sq_hdr sq_hdr;
+	__be64 local_to;
+	__be64 remote_to;
+	__be32 local_stag;
+	__be32 remote_stag;
+	__be32 length;
+} __attribute__((packed));
+
+union c2wr_rdma_read {
+	struct c2wr_rdma_read_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+struct c2wr_mw_bind_req {
+	struct c2_sq_hdr sq_hdr;
+	u64 va;
+	u8 stag_key;
+	u8 pad[3];
+	u32 mw_stag_index;
+	u32 mr_stag_index;
+	u32 length;
+	u32 flags;
+} __attribute__((packed));
+
+union c2wr_mw_bind {
+	struct c2wr_mw_bind_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+struct c2wr_nsmr_fastreg_req {
+	struct c2_sq_hdr sq_hdr;
+	u64 va;
+	u8 stag_key;
+	u8 pad[3];
+	u32 stag_index;
+	u32 pbe_size;
+	u32 fbo;
+	u32 length;
+	u32 addrs_length;
+	/* array of paddrs (must be aligned on a 64bit boundary) */
+	u64 paddrs[0];
+} __attribute__((packed));
+
+union c2wr_nsmr_fastreg {
+	struct c2wr_nsmr_fastreg_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+struct c2wr_stag_invalidate_req {
+	struct c2_sq_hdr sq_hdr;
+	u8 stag_key;
+	u8 pad[3];
+	u32 stag_index;
+} __attribute__((packed));
+
+union c2wr_stag_invalidate {
+	struct c2wr_stag_invalidate_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+union c2wr_sqwr {
+	struct c2_sq_hdr sq_hdr;
+	struct c2wr_send_req send;
+	struct c2wr_send_req send_se;
+	struct c2wr_send_req send_inv;
+	struct c2wr_send_req send_se_inv;
+	struct c2wr_rdma_write_req rdma_write;
+	struct c2wr_rdma_read_req rdma_read;
+	struct c2wr_mw_bind_req mw_bind;
+	struct c2wr_nsmr_fastreg_req nsmr_fastreg;
+	struct c2wr_stag_invalidate_req stag_inv;
+} __attribute__((packed));
+
+
+/*
+ * RQ WRs
+ */
+struct c2wr_rqwr {
+	struct c2_rq_hdr rq_hdr;
+	u8 data[0];		/* array of SGEs */
+} __attribute__((packed));
+
+union c2wr_recv {
+	struct c2wr_rqwr req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+/*
+ * All AEs start with this header.  Most AEs only need to convey the
+ * information in the header.  Some, like LLP connection events, need
+ * more info.  The union typdef c2wr_ae_t has all the possible AEs.
+ *
+ * hdr.context is the user_context from the rnic_open WR.  NULL If this
+ * is not affiliated with an rnic
+ *
+ * hdr.id is the AE identifier (eg;  CCAE_REMOTE_SHUTDOWN,
+ * CCAE_LLP_CLOSE_COMPLETE)
+ *
+ * resource_type is one of:  C2_RES_IND_QP, C2_RES_IND_CQ, C2_RES_IND_SRQ
+ *
+ * user_context is the context passed down when the host created the resource.
+ */
+struct c2wr_ae_hdr {
+	struct c2wr_hdr hdr;
+	u64 user_context;	/* user context for this res. */
+	__be32 resource_type;	/* see enum c2_resource_indicator */
+	__be32 resource;	/* handle for resource */
+	__be32 qp_state;	/* current QP State */
+} __attribute__((packed));
+
+/*
+ * After submitting the CCAE_ACTIVE_CONNECT_RESULTS message on the AEQ,
+ * the adapter moves the QP into RTS state
+ */
+struct c2wr_ae_active_connect_results {
+	struct c2wr_ae_hdr ae_hdr;
+	__be32 laddr;
+	__be32 raddr;
+	__be16 lport;
+	__be16 rport;
+	__be32 private_data_length;
+	u8 private_data[0];	/* data is in-line in the msg. */
+} __attribute__((packed));
+
+/*
+ * When connections are established by the stack (and the private data
+ * MPA frame is received), the adapter will generate an event to the host.
+ * The details of the connection, any private data, and the new connection
+ * request handle is passed up via the CCAE_CONNECTION_REQUEST msg on the
+ * AE queue:
+ */
+struct c2wr_ae_connection_request {
+	struct c2wr_ae_hdr ae_hdr;
+	u32 cr_handle;		/* connreq handle (sock ptr) */
+	__be32 laddr;
+	__be32 raddr;
+	__be16 lport;
+	__be16 rport;
+	__be32 private_data_length;
+	u8 private_data[0];	/* data is in-line in the msg. */
+} __attribute__((packed));
+
+union c2wr_ae {
+	struct c2wr_ae_hdr ae_generic;
+	struct c2wr_ae_active_connect_results ae_active_connect_results;
+	struct c2wr_ae_connection_request ae_connection_request;
+} __attribute__((packed));
+
+struct c2wr_init_req {
+	struct c2wr_hdr hdr;
+	__be64 hint_count;
+	__be64 q0_host_shared;
+	__be64 q1_host_shared;
+	__be64 q1_host_msg_pool;
+	__be64 q2_host_shared;
+	__be64 q2_host_msg_pool;
+} __attribute__((packed));
+
+struct c2wr_init_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed));
+
+union c2wr_init {
+	struct c2wr_init_req req;
+	struct c2wr_init_rep rep;
+} __attribute__((packed));
+
+/*
+ * For upgrading flash.
+ */
+
+struct c2wr_flash_init_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+} __attribute__((packed));
+
+struct c2wr_flash_init_rep {
+	struct c2wr_hdr hdr;
+	u32 adapter_flash_buf_offset;
+	u32 adapter_flash_len;
+} __attribute__((packed));
+
+union c2wr_flash_init {
+	struct c2wr_flash_init_req req;
+	struct c2wr_flash_init_rep rep;
+} __attribute__((packed));
+
+struct c2wr_flash_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 len;
+} __attribute__((packed));
+
+struct c2wr_flash_rep {
+	struct c2wr_hdr hdr;
+	u32 status;
+} __attribute__((packed));
+
+union c2wr_flash {
+	struct c2wr_flash_req req;
+	struct c2wr_flash_rep rep;
+} __attribute__((packed));
+
+struct c2wr_buf_alloc_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 size;
+} __attribute__((packed));
+
+struct c2wr_buf_alloc_rep {
+	struct c2wr_hdr hdr;
+	u32 offset;		/* 0 if mem not available */
+	u32 size;		/* 0 if mem not available */
+} __attribute__((packed));
+
+union c2wr_buf_alloc {
+	struct c2wr_buf_alloc_req req;
+	struct c2wr_buf_alloc_rep rep;
+} __attribute__((packed));
+
+struct c2wr_buf_free_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 offset;		/* Must match value from alloc */
+	u32 size;		/* Must match value from alloc */
+} __attribute__((packed));
+
+struct c2wr_buf_free_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed));
+
+union c2wr_buf_free {
+	struct c2wr_buf_free_req req;
+	struct c2wr_ce rep;
+} __attribute__((packed));
+
+struct c2wr_flash_write_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 offset;
+	u32 size;
+	u32 type;
+	u32 flags;
+} __attribute__((packed));
+
+struct c2wr_flash_write_rep {
+	struct c2wr_hdr hdr;
+	u32 status;
+} __attribute__((packed));
+
+union c2wr_flash_write {
+	struct c2wr_flash_write_req req;
+	struct c2wr_flash_write_rep rep;
+} __attribute__((packed));
+
+/*
+ * Messages for LLP connection setup.
+ */
+
+/*
+ * Listen Request.  This allocates a listening endpoint to allow passive
+ * connection setup.  Newly established LLP connections are passed up
+ * via an AE.  See c2wr_ae_connection_request_t
+ */
+struct c2wr_ep_listen_create_req {
+	struct c2wr_hdr hdr;
+	u64 user_context;	/* returned in AEs. */
+	u32 rnic_handle;
+	__be32 local_addr;		/* local addr, or 0  */
+	__be16 local_port;		/* 0 means "pick one" */
+	u16 pad;
+	__be32 backlog;		/* tradional tcp listen bl */
+} __attribute__((packed));
+
+struct c2wr_ep_listen_create_rep {
+	struct c2wr_hdr hdr;
+	u32 ep_handle;		/* handle to new listening ep */
+	u16 local_port;		/* resulting port... */
+	u16 pad;
+} __attribute__((packed));
+
+union c2wr_ep_listen_create {
+	struct c2wr_ep_listen_create_req req;
+	struct c2wr_ep_listen_create_rep rep;
+} __attribute__((packed));
+
+struct c2wr_ep_listen_destroy_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 ep_handle;
+} __attribute__((packed));
+
+struct c2wr_ep_listen_destroy_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed));
+
+union c2wr_ep_listen_destroy {
+	struct c2wr_ep_listen_destroy_req req;
+	struct c2wr_ep_listen_destroy_rep rep;
+} __attribute__((packed));
+
+struct c2wr_ep_query_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 ep_handle;
+} __attribute__((packed));
+
+struct c2wr_ep_query_rep {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 local_addr;
+	u32 remote_addr;
+	u16 local_port;
+	u16 remote_port;
+} __attribute__((packed));
+
+union c2wr_ep_query {
+	struct c2wr_ep_query_req req;
+	struct c2wr_ep_query_rep rep;
+} __attribute__((packed));
+
+
+/*
+ * The host passes this down to indicate acceptance of a pending iWARP
+ * connection.  The cr_handle was obtained from the CONNECTION_REQUEST
+ * AE passed up by the adapter.  See c2wr_ae_connection_request_t.
+ */
+struct c2wr_cr_accept_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 qp_handle;		/* QP to bind to this LLP conn */
+	u32 ep_handle;		/* LLP  handle to accept */
+	__be32 private_data_length;
+	u8 private_data[0];	/* data in-line in msg. */
+} __attribute__((packed));
+
+/*
+ * adapter sends reply when private data is successfully submitted to
+ * the LLP.
+ */
+struct c2wr_cr_accept_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed));
+
+union c2wr_cr_accept {
+	struct c2wr_cr_accept_req req;
+	struct c2wr_cr_accept_rep rep;
+} __attribute__((packed));
+
+/*
+ * The host sends this down if a given iWARP connection request was
+ * rejected by the consumer.  The cr_handle was obtained from a
+ * previous c2wr_ae_connection_request_t AE sent by the adapter.
+ */
+struct  c2wr_cr_reject_req {
+	struct c2wr_hdr hdr;
+	u32 rnic_handle;
+	u32 ep_handle;		/* LLP handle to reject */
+} __attribute__((packed));
+
+/*
+ * Dunno if this is needed, but we'll add it for now.  The adapter will
+ * send the reject_reply after the LLP endpoint has been destroyed.
+ */
+struct  c2wr_cr_reject_rep {
+	struct c2wr_hdr hdr;
+} __attribute__((packed));
+
+union c2wr_cr_reject {
+	struct c2wr_cr_reject_req req;
+	struct c2wr_cr_reject_rep rep;
+} __attribute__((packed));
+
+/*
+ * console command.  Used to implement a debug console over the verbs
+ * request and reply queues.
+ */
+
+/*
+ * Console request message.  It contains:
+ *	- message hdr with id = CCWR_CONSOLE
+ *	- the physaddr/len of host memory to be used for the reply.
+ *	- the command string.  eg:  "netstat -s" or "zoneinfo"
+ */
+struct c2wr_console_req {
+	struct c2wr_hdr hdr;		/* id = CCWR_CONSOLE */
+	u64 reply_buf;		/* pinned host buf for reply */
+	u32 reply_buf_len;	/* length of reply buffer */
+	u8 command[0];		/* NUL terminated ascii string */
+	/* containing the command req */
+} __attribute__((packed));
+
+/*
+ * flags used in the console reply.
+ */
+enum c2_console_flags {
+	CONS_REPLY_TRUNCATED = 0x00000001	/* reply was truncated */
+} __attribute__((packed));
+
+/*
+ * Console reply message.
+ * hdr.result contains the c2_status_t error if the reply was _not_ generated,
+ * or C2_OK if the reply was generated.
+ */
+struct c2wr_console_rep {
+	struct c2wr_hdr hdr;		/* id = CCWR_CONSOLE */
+	u32 flags;
+} __attribute__((packed));
+
+union c2wr_console {
+	struct c2wr_console_req req;
+	struct c2wr_console_rep rep;
+} __attribute__((packed));
+
+
+/*
+ * Giant union with all WRs.  Makes life easier...
+ */
+union c2wr {
+	struct c2wr_hdr hdr;
+	struct c2wr_user_hdr user_hdr;
+	union c2wr_rnic_open rnic_open;
+	union c2wr_rnic_query rnic_query;
+	union c2wr_rnic_getconfig rnic_getconfig;
+	union c2wr_rnic_setconfig rnic_setconfig;
+	union c2wr_rnic_close rnic_close;
+	union c2wr_cq_create cq_create;
+	union c2wr_cq_modify cq_modify;
+	union c2wr_cq_destroy cq_destroy;
+	union c2wr_pd_alloc pd_alloc;
+	union c2wr_pd_dealloc pd_dealloc;
+	union c2wr_srq_create srq_create;
+	union c2wr_srq_destroy srq_destroy;
+	union c2wr_qp_create qp_create;
+	union c2wr_qp_query qp_query;
+	union c2wr_qp_modify qp_modify;
+	union c2wr_qp_destroy qp_destroy;
+	struct c2wr_qp_connect qp_connect;
+	union c2wr_nsmr_stag_alloc nsmr_stag_alloc;
+	union c2wr_nsmr_register nsmr_register;
+	union c2wr_nsmr_pbl nsmr_pbl;
+	union c2wr_mr_query mr_query;
+	union c2wr_mw_query mw_query;
+	union c2wr_stag_dealloc stag_dealloc;
+	union c2wr_sqwr sqwr;
+	struct c2wr_rqwr rqwr;
+	struct c2wr_ce ce;
+	union c2wr_ae ae;
+	union c2wr_init init;
+	union c2wr_ep_listen_create ep_listen_create;
+	union c2wr_ep_listen_destroy ep_listen_destroy;
+	union c2wr_cr_accept cr_accept;
+	union c2wr_cr_reject cr_reject;
+	union c2wr_console console;
+	union c2wr_flash_init flash_init;
+	union c2wr_flash flash;
+	union c2wr_buf_alloc buf_alloc;
+	union c2wr_buf_free buf_free;
+	union c2wr_flash_write flash_write;
+} __attribute__((packed));
+
+
+/*
+ * Accessors for the wr fields that are packed together tightly to
+ * reduce the wr message size.  The wr arguments are void* so that
+ * either a struct c2wr*, a struct c2wr_hdr*, or a pointer to any of the types
+ * in the struct c2wr union can be passed in.
+ */
+static __inline__ u8 c2_wr_get_id(void *wr)
+{
+	return ((struct c2wr_hdr *) wr)->id;
+}
+static __inline__ void c2_wr_set_id(void *wr, u8 id)
+{
+	((struct c2wr_hdr *) wr)->id = id;
+}
+static __inline__ u8 c2_wr_get_result(void *wr)
+{
+	return ((struct c2wr_hdr *) wr)->result;
+}
+static __inline__ void c2_wr_set_result(void *wr, u8 result)
+{
+	((struct c2wr_hdr *) wr)->result = result;
+}
+static __inline__ u8 c2_wr_get_flags(void *wr)
+{
+	return ((struct c2wr_hdr *) wr)->flags;
+}
+static __inline__ void c2_wr_set_flags(void *wr, u8 flags)
+{
+	((struct c2wr_hdr *) wr)->flags = flags;
+}
+static __inline__ u8 c2_wr_get_sge_count(void *wr)
+{
+	return ((struct c2wr_hdr *) wr)->sge_count;
+}
+static __inline__ void c2_wr_set_sge_count(void *wr, u8 sge_count)
+{
+	((struct c2wr_hdr *) wr)->sge_count = sge_count;
+}
+static __inline__ __be32 c2_wr_get_wqe_count(void *wr)
+{
+	return ((struct c2wr_hdr *) wr)->wqe_count;
+}
+static __inline__ void c2_wr_set_wqe_count(void *wr, u32 wqe_count)
+{
+	((struct c2wr_hdr *) wr)->wqe_count = wqe_count;
+}
+
+#endif				/* _C2_WR_H_ */