Auto-update from upstream

1 files changed, 373 insertions, 0 deletions

diff --git a/include/rdma/ib_sa.h b/include/rdma/ib_sa.h
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+++ b/include/rdma/ib_sa.h
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+/*
+ * Copyright (c) 2004 Topspin Communications.  All rights reserved.
+ * Copyright (c) 2005 Voltaire, 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.
+ *
+ * $Id: ib_sa.h 2811 2005-07-06 18:11:43Z halr $
+ */
+
+#ifndef IB_SA_H
+#define IB_SA_H
+
+#include <linux/compiler.h>
+
+#include <rdma/ib_verbs.h>
+#include <rdma/ib_mad.h>
+
+enum {
+	IB_SA_CLASS_VERSION		= 2,	/* IB spec version 1.1/1.2 */
+
+	IB_SA_METHOD_GET_TABLE		= 0x12,
+	IB_SA_METHOD_GET_TABLE_RESP	= 0x92,
+	IB_SA_METHOD_DELETE		= 0x15
+};
+
+enum ib_sa_selector {
+	IB_SA_GTE  = 0,
+	IB_SA_LTE  = 1,
+	IB_SA_EQ   = 2,
+	/*
+	 * The meaning of "best" depends on the attribute: for
+	 * example, for MTU best will return the largest available
+	 * MTU, while for packet life time, best will return the
+	 * smallest available life time.
+	 */
+	IB_SA_BEST = 3
+};
+
+enum ib_sa_rate {
+	IB_SA_RATE_2_5_GBPS = 2,
+	IB_SA_RATE_5_GBPS   = 5,
+	IB_SA_RATE_10_GBPS  = 3,
+	IB_SA_RATE_20_GBPS  = 6,
+	IB_SA_RATE_30_GBPS  = 4,
+	IB_SA_RATE_40_GBPS  = 7,
+	IB_SA_RATE_60_GBPS  = 8,
+	IB_SA_RATE_80_GBPS  = 9,
+	IB_SA_RATE_120_GBPS = 10
+};
+
+static inline int ib_sa_rate_enum_to_int(enum ib_sa_rate rate)
+{
+	switch (rate) {
+	case IB_SA_RATE_2_5_GBPS: return  1;
+	case IB_SA_RATE_5_GBPS:   return  2;
+	case IB_SA_RATE_10_GBPS:  return  4;
+	case IB_SA_RATE_20_GBPS:  return  8;
+	case IB_SA_RATE_30_GBPS:  return 12;
+	case IB_SA_RATE_40_GBPS:  return 16;
+	case IB_SA_RATE_60_GBPS:  return 24;
+	case IB_SA_RATE_80_GBPS:  return 32;
+	case IB_SA_RATE_120_GBPS: return 48;
+	default: 	          return -1;
+	}
+}
+
+/*
+ * Structures for SA records are named "struct ib_sa_xxx_rec."  No
+ * attempt is made to pack structures to match the physical layout of
+ * SA records in SA MADs; all packing and unpacking is handled by the
+ * SA query code.
+ *
+ * For a record with structure ib_sa_xxx_rec, the naming convention
+ * for the component mask value for field yyy is IB_SA_XXX_REC_YYY (we
+ * never use different abbreviations or otherwise change the spelling
+ * of xxx/yyy between ib_sa_xxx_rec.yyy and IB_SA_XXX_REC_YYY).
+ *
+ * Reserved rows are indicated with comments to help maintainability.
+ */
+
+/* reserved:								 0 */
+/* reserved:								 1 */
+#define IB_SA_PATH_REC_DGID				IB_SA_COMP_MASK( 2)
+#define IB_SA_PATH_REC_SGID				IB_SA_COMP_MASK( 3)
+#define IB_SA_PATH_REC_DLID				IB_SA_COMP_MASK( 4)
+#define IB_SA_PATH_REC_SLID				IB_SA_COMP_MASK( 5)
+#define IB_SA_PATH_REC_RAW_TRAFFIC			IB_SA_COMP_MASK( 6)
+/* reserved:								 7 */
+#define IB_SA_PATH_REC_FLOW_LABEL       		IB_SA_COMP_MASK( 8)
+#define IB_SA_PATH_REC_HOP_LIMIT			IB_SA_COMP_MASK( 9)
+#define IB_SA_PATH_REC_TRAFFIC_CLASS			IB_SA_COMP_MASK(10)
+#define IB_SA_PATH_REC_REVERSIBLE			IB_SA_COMP_MASK(11)
+#define IB_SA_PATH_REC_NUMB_PATH			IB_SA_COMP_MASK(12)
+#define IB_SA_PATH_REC_PKEY				IB_SA_COMP_MASK(13)
+/* reserved:								14 */
+#define IB_SA_PATH_REC_SL				IB_SA_COMP_MASK(15)
+#define IB_SA_PATH_REC_MTU_SELECTOR			IB_SA_COMP_MASK(16)
+#define IB_SA_PATH_REC_MTU				IB_SA_COMP_MASK(17)
+#define IB_SA_PATH_REC_RATE_SELECTOR			IB_SA_COMP_MASK(18)
+#define IB_SA_PATH_REC_RATE				IB_SA_COMP_MASK(19)
+#define IB_SA_PATH_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(20)
+#define IB_SA_PATH_REC_PACKET_LIFE_TIME			IB_SA_COMP_MASK(21)
+#define IB_SA_PATH_REC_PREFERENCE			IB_SA_COMP_MASK(22)
+
+struct ib_sa_path_rec {
+	/* reserved */
+	/* reserved */
+	union ib_gid dgid;
+	union ib_gid sgid;
+	__be16       dlid;
+	__be16       slid;
+	int          raw_traffic;
+	/* reserved */
+	__be32       flow_label;
+	u8           hop_limit;
+	u8           traffic_class;
+	int          reversible;
+	u8           numb_path;
+	__be16       pkey;
+	/* reserved */
+	u8           sl;
+	u8           mtu_selector;
+	u8           mtu;
+	u8           rate_selector;
+	u8           rate;
+	u8           packet_life_time_selector;
+	u8           packet_life_time;
+	u8           preference;
+};
+
+#define IB_SA_MCMEMBER_REC_MGID				IB_SA_COMP_MASK( 0)
+#define IB_SA_MCMEMBER_REC_PORT_GID			IB_SA_COMP_MASK( 1)
+#define IB_SA_MCMEMBER_REC_QKEY				IB_SA_COMP_MASK( 2)
+#define IB_SA_MCMEMBER_REC_MLID				IB_SA_COMP_MASK( 3)
+#define IB_SA_MCMEMBER_REC_MTU_SELECTOR			IB_SA_COMP_MASK( 4)
+#define IB_SA_MCMEMBER_REC_MTU				IB_SA_COMP_MASK( 5)
+#define IB_SA_MCMEMBER_REC_TRAFFIC_CLASS		IB_SA_COMP_MASK( 6)
+#define IB_SA_MCMEMBER_REC_PKEY				IB_SA_COMP_MASK( 7)
+#define IB_SA_MCMEMBER_REC_RATE_SELECTOR		IB_SA_COMP_MASK( 8)
+#define IB_SA_MCMEMBER_REC_RATE				IB_SA_COMP_MASK( 9)
+#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME_SELECTOR	IB_SA_COMP_MASK(10)
+#define IB_SA_MCMEMBER_REC_PACKET_LIFE_TIME		IB_SA_COMP_MASK(11)
+#define IB_SA_MCMEMBER_REC_SL				IB_SA_COMP_MASK(12)
+#define IB_SA_MCMEMBER_REC_FLOW_LABEL			IB_SA_COMP_MASK(13)
+#define IB_SA_MCMEMBER_REC_HOP_LIMIT			IB_SA_COMP_MASK(14)
+#define IB_SA_MCMEMBER_REC_SCOPE			IB_SA_COMP_MASK(15)
+#define IB_SA_MCMEMBER_REC_JOIN_STATE			IB_SA_COMP_MASK(16)
+#define IB_SA_MCMEMBER_REC_PROXY_JOIN			IB_SA_COMP_MASK(17)
+
+struct ib_sa_mcmember_rec {
+	union ib_gid mgid;
+	union ib_gid port_gid;
+	__be32       qkey;
+	__be16       mlid;
+	u8           mtu_selector;
+	u8           mtu;
+	u8           traffic_class;
+	__be16       pkey;
+	u8 	     rate_selector;
+	u8 	     rate;
+	u8 	     packet_life_time_selector;
+	u8 	     packet_life_time;
+	u8           sl;
+	__be32       flow_label;
+	u8           hop_limit;
+	u8           scope;
+	u8           join_state;
+	int          proxy_join;
+};
+
+/* Service Record Component Mask Sec 15.2.5.14 Ver 1.1	*/
+#define IB_SA_SERVICE_REC_SERVICE_ID			IB_SA_COMP_MASK( 0)
+#define IB_SA_SERVICE_REC_SERVICE_GID			IB_SA_COMP_MASK( 1)
+#define IB_SA_SERVICE_REC_SERVICE_PKEY			IB_SA_COMP_MASK( 2)
+/* reserved:								 3 */
+#define IB_SA_SERVICE_REC_SERVICE_LEASE			IB_SA_COMP_MASK( 4)
+#define IB_SA_SERVICE_REC_SERVICE_KEY			IB_SA_COMP_MASK( 5)
+#define IB_SA_SERVICE_REC_SERVICE_NAME			IB_SA_COMP_MASK( 6)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_0		IB_SA_COMP_MASK( 7)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_1		IB_SA_COMP_MASK( 8)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_2		IB_SA_COMP_MASK( 9)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_3		IB_SA_COMP_MASK(10)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_4		IB_SA_COMP_MASK(11)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_5		IB_SA_COMP_MASK(12)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_6		IB_SA_COMP_MASK(13)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_7		IB_SA_COMP_MASK(14)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_8		IB_SA_COMP_MASK(15)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_9		IB_SA_COMP_MASK(16)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_10		IB_SA_COMP_MASK(17)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_11		IB_SA_COMP_MASK(18)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_12		IB_SA_COMP_MASK(19)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_13		IB_SA_COMP_MASK(20)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_14		IB_SA_COMP_MASK(21)
+#define IB_SA_SERVICE_REC_SERVICE_DATA8_15		IB_SA_COMP_MASK(22)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_0		IB_SA_COMP_MASK(23)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_1		IB_SA_COMP_MASK(24)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_2		IB_SA_COMP_MASK(25)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_3		IB_SA_COMP_MASK(26)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_4		IB_SA_COMP_MASK(27)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_5		IB_SA_COMP_MASK(28)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_6		IB_SA_COMP_MASK(29)
+#define IB_SA_SERVICE_REC_SERVICE_DATA16_7		IB_SA_COMP_MASK(30)
+#define IB_SA_SERVICE_REC_SERVICE_DATA32_0		IB_SA_COMP_MASK(31)
+#define IB_SA_SERVICE_REC_SERVICE_DATA32_1		IB_SA_COMP_MASK(32)
+#define IB_SA_SERVICE_REC_SERVICE_DATA32_2		IB_SA_COMP_MASK(33)
+#define IB_SA_SERVICE_REC_SERVICE_DATA32_3		IB_SA_COMP_MASK(34)
+#define IB_SA_SERVICE_REC_SERVICE_DATA64_0		IB_SA_COMP_MASK(35)
+#define IB_SA_SERVICE_REC_SERVICE_DATA64_1		IB_SA_COMP_MASK(36)
+
+#define IB_DEFAULT_SERVICE_LEASE 	0xFFFFFFFF
+
+struct ib_sa_service_rec {
+	u64		id;
+	union ib_gid	gid;
+	__be16 		pkey;
+	/* reserved */
+	u32		lease;
+	u8		key[16];
+	u8		name[64];
+	u8		data8[16];
+	u16		data16[8];
+	u32		data32[4];
+	u64		data64[2];
+};
+
+struct ib_sa_query;
+
+void ib_sa_cancel_query(int id, struct ib_sa_query *query);
+
+int ib_sa_path_rec_get(struct ib_device *device, u8 port_num,
+		       struct ib_sa_path_rec *rec,
+		       ib_sa_comp_mask comp_mask,
+		       int timeout_ms, unsigned int __nocast gfp_mask,
+		       void (*callback)(int status,
+					struct ib_sa_path_rec *resp,
+					void *context),
+		       void *context,
+		       struct ib_sa_query **query);
+
+int ib_sa_mcmember_rec_query(struct ib_device *device, u8 port_num,
+			     u8 method,
+			     struct ib_sa_mcmember_rec *rec,
+			     ib_sa_comp_mask comp_mask,
+			     int timeout_ms, unsigned int __nocast gfp_mask,
+			     void (*callback)(int status,
+					      struct ib_sa_mcmember_rec *resp,
+					      void *context),
+			     void *context,
+			     struct ib_sa_query **query);
+
+int ib_sa_service_rec_query(struct ib_device *device, u8 port_num,
+			 u8 method,
+			 struct ib_sa_service_rec *rec,
+			 ib_sa_comp_mask comp_mask,
+			 int timeout_ms, unsigned int __nocast gfp_mask,
+			 void (*callback)(int status,
+					  struct ib_sa_service_rec *resp,
+					  void *context),
+			 void *context,
+			 struct ib_sa_query **sa_query);
+
+/**
+ * ib_sa_mcmember_rec_set - Start an MCMember set query
+ * @device:device to send query on
+ * @port_num: port number to send query on
+ * @rec:MCMember Record to send in query
+ * @comp_mask:component mask to send in query
+ * @timeout_ms:time to wait for response
+ * @gfp_mask:GFP mask to use for internal allocations
+ * @callback:function called when query completes, times out or is
+ * canceled
+ * @context:opaque user context passed to callback
+ * @sa_query:query context, used to cancel query
+ *
+ * Send an MCMember Set query to the SA (eg to join a multicast
+ * group).  The callback function will be called when the query
+ * completes (or fails); status is 0 for a successful response, -EINTR
+ * if the query is canceled, -ETIMEDOUT is the query timed out, or
+ * -EIO if an error occurred sending the query.  The resp parameter of
+ * the callback is only valid if status is 0.
+ *
+ * If the return value of ib_sa_mcmember_rec_set() is negative, it is
+ * an error code.  Otherwise it is a query ID that can be used to
+ * cancel the query.
+ */
+static inline int
+ib_sa_mcmember_rec_set(struct ib_device *device, u8 port_num,
+		       struct ib_sa_mcmember_rec *rec,
+		       ib_sa_comp_mask comp_mask,
+		       int timeout_ms, unsigned int __nocast gfp_mask,
+		       void (*callback)(int status,
+					struct ib_sa_mcmember_rec *resp,
+					void *context),
+		       void *context,
+		       struct ib_sa_query **query)
+{
+	return ib_sa_mcmember_rec_query(device, port_num,
+					IB_MGMT_METHOD_SET,
+					rec, comp_mask,
+					timeout_ms, gfp_mask, callback,
+					context, query);
+}
+
+/**
+ * ib_sa_mcmember_rec_delete - Start an MCMember delete query
+ * @device:device to send query on
+ * @port_num: port number to send query on
+ * @rec:MCMember Record to send in query
+ * @comp_mask:component mask to send in query
+ * @timeout_ms:time to wait for response
+ * @gfp_mask:GFP mask to use for internal allocations
+ * @callback:function called when query completes, times out or is
+ * canceled
+ * @context:opaque user context passed to callback
+ * @sa_query:query context, used to cancel query
+ *
+ * Send an MCMember Delete query to the SA (eg to leave a multicast
+ * group).  The callback function will be called when the query
+ * completes (or fails); status is 0 for a successful response, -EINTR
+ * if the query is canceled, -ETIMEDOUT is the query timed out, or
+ * -EIO if an error occurred sending the query.  The resp parameter of
+ * the callback is only valid if status is 0.
+ *
+ * If the return value of ib_sa_mcmember_rec_delete() is negative, it
+ * is an error code.  Otherwise it is a query ID that can be used to
+ * cancel the query.
+ */
+static inline int
+ib_sa_mcmember_rec_delete(struct ib_device *device, u8 port_num,
+			  struct ib_sa_mcmember_rec *rec,
+			  ib_sa_comp_mask comp_mask,
+			  int timeout_ms, unsigned int __nocast gfp_mask,
+			  void (*callback)(int status,
+					   struct ib_sa_mcmember_rec *resp,
+					   void *context),
+			  void *context,
+			  struct ib_sa_query **query)
+{
+	return ib_sa_mcmember_rec_query(device, port_num,
+					IB_SA_METHOD_DELETE,
+					rec, comp_mask,
+					timeout_ms, gfp_mask, callback,
+					context, query);
+}
+
+
+#endif /* IB_SA_H */