These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / include / rdma / opa_smi.h
diff --git a/kernel/include/rdma/opa_smi.h b/kernel/include/rdma/opa_smi.h
new file mode 100644 (file)
index 0000000..4a529ef
--- /dev/null
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2014 Intel Corporation.  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.
+ */
+
+#if !defined(OPA_SMI_H)
+#define OPA_SMI_H
+
+#include <rdma/ib_mad.h>
+#include <rdma/ib_smi.h>
+
+#define OPA_SMP_LID_DATA_SIZE                  2016
+#define OPA_SMP_DR_DATA_SIZE                   1872
+#define OPA_SMP_MAX_PATH_HOPS                  64
+
+#define OPA_MAX_VLS                            32
+#define OPA_MAX_SLS                            32
+#define OPA_MAX_SCS                            32
+
+#define OPA_SMI_CLASS_VERSION                  0x80
+
+#define OPA_LID_PERMISSIVE                     cpu_to_be32(0xFFFFFFFF)
+
+struct opa_smp {
+       u8      base_version;
+       u8      mgmt_class;
+       u8      class_version;
+       u8      method;
+       __be16  status;
+       u8      hop_ptr;
+       u8      hop_cnt;
+       __be64  tid;
+       __be16  attr_id;
+       __be16  resv;
+       __be32  attr_mod;
+       __be64  mkey;
+       union {
+               struct {
+                       uint8_t data[OPA_SMP_LID_DATA_SIZE];
+               } lid;
+               struct {
+                       __be32  dr_slid;
+                       __be32  dr_dlid;
+                       u8      initial_path[OPA_SMP_MAX_PATH_HOPS];
+                       u8      return_path[OPA_SMP_MAX_PATH_HOPS];
+                       u8      reserved[8];
+                       u8      data[OPA_SMP_DR_DATA_SIZE];
+               } dr;
+       } route;
+} __packed;
+
+
+/* Subnet management attributes */
+/* ... */
+#define OPA_ATTRIB_ID_NODE_DESCRIPTION         cpu_to_be16(0x0010)
+#define OPA_ATTRIB_ID_NODE_INFO                        cpu_to_be16(0x0011)
+#define OPA_ATTRIB_ID_PORT_INFO                        cpu_to_be16(0x0015)
+#define OPA_ATTRIB_ID_PARTITION_TABLE          cpu_to_be16(0x0016)
+#define OPA_ATTRIB_ID_SL_TO_SC_MAP             cpu_to_be16(0x0017)
+#define OPA_ATTRIB_ID_VL_ARBITRATION           cpu_to_be16(0x0018)
+#define OPA_ATTRIB_ID_SM_INFO                  cpu_to_be16(0x0020)
+#define OPA_ATTRIB_ID_CABLE_INFO               cpu_to_be16(0x0032)
+#define OPA_ATTRIB_ID_AGGREGATE                        cpu_to_be16(0x0080)
+#define OPA_ATTRIB_ID_SC_TO_SL_MAP             cpu_to_be16(0x0082)
+#define OPA_ATTRIB_ID_SC_TO_VLR_MAP            cpu_to_be16(0x0083)
+#define OPA_ATTRIB_ID_SC_TO_VLT_MAP            cpu_to_be16(0x0084)
+#define OPA_ATTRIB_ID_SC_TO_VLNT_MAP           cpu_to_be16(0x0085)
+/* ... */
+#define OPA_ATTRIB_ID_PORT_STATE_INFO          cpu_to_be16(0x0087)
+/* ... */
+#define OPA_ATTRIB_ID_BUFFER_CONTROL_TABLE     cpu_to_be16(0x008A)
+/* ... */
+
+struct opa_node_description {
+       u8 data[64];
+} __attribute__ ((packed));
+
+struct opa_node_info {
+       u8      base_version;
+       u8      class_version;
+       u8      node_type;
+       u8      num_ports;
+       __be32  reserved;
+       __be64  system_image_guid;
+       __be64  node_guid;
+       __be64  port_guid;
+       __be16  partition_cap;
+       __be16  device_id;
+       __be32  revision;
+       u8      local_port_num;
+       u8      vendor_id[3];   /* network byte order */
+} __attribute__ ((packed));
+
+#define OPA_PARTITION_TABLE_BLK_SIZE 32
+
+static inline u8
+opa_get_smp_direction(struct opa_smp *smp)
+{
+       return ib_get_smp_direction((struct ib_smp *)smp);
+}
+
+static inline u8 *opa_get_smp_data(struct opa_smp *smp)
+{
+       if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+               return smp->route.dr.data;
+
+       return smp->route.lid.data;
+}
+
+static inline size_t opa_get_smp_data_size(struct opa_smp *smp)
+{
+       if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+               return sizeof(smp->route.dr.data);
+
+       return sizeof(smp->route.lid.data);
+}
+
+static inline size_t opa_get_smp_header_size(struct opa_smp *smp)
+{
+       if (smp->mgmt_class == IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE)
+               return sizeof(*smp) - sizeof(smp->route.dr.data);
+
+       return sizeof(*smp) - sizeof(smp->route.lid.data);
+}
+
+#endif /* OPA_SMI_H */