Merge remote-tracking branch 'remotes/marcel/tags/rdma-pull-request' into staging

PVRDMA implementation

# gpg: Signature made Mon 19 Feb 2018 11:08:49 GMT
# gpg:                using RSA key 36D4C0F0CF2FE46D
# gpg: Good signature from "Marcel Apfelbaum <marcel@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: B1C6 3A57 F92E 08F2 640F  31F5 36D4 C0F0 CF2F E46D

* remotes/marcel/tags/rdma-pull-request:
  MAINTAINERS: add entry for hw/rdma
  hw/rdma: Implementation of PVRDMA device
  hw/rdma: PVRDMA commands and data-path ops
  hw/rdma: Implementation of generic rdma device layers
  hw/rdma: Definitions for rdma device and rdma resource manager
  hw/rdma: Add wrappers and macros
  include/standard-headers: add pvrdma related headers
  scripts/update-linux-headers: import pvrdma headers
  docs: add pvrdma device documentation.
  mem: add share parameter to memory-backend-ram

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 62 insertions, 0 deletions

diff --git a/hw/rdma/rdma_backend_defs.h b/hw/rdma/rdma_backend_defs.h
new file mode 100644
index 0000000000..837e32419c
--- /dev/null
+++ b/hw/rdma/rdma_backend_defs.h
@@ -0,0 +1,62 @@
+/*
+ *  RDMA device: Definitions of Backend Device structures
+ *
+ * Copyright (C) 2018 Oracle
+ * Copyright (C) 2018 Red Hat Inc
+ *
+ * Authors:
+ *     Yuval Shaia <yuval.shaia@oracle.com>
+ *     Marcel Apfelbaum <marcel@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef RDMA_BACKEND_DEFS_H
+#define RDMA_BACKEND_DEFS_H
+
+#include <infiniband/verbs.h>
+#include <qemu/thread.h>
+
+typedef struct RdmaDeviceResources RdmaDeviceResources;
+
+typedef struct RdmaBackendThread {
+    QemuThread thread;
+    QemuMutex mutex;
+    bool run;
+} RdmaBackendThread;
+
+typedef struct RdmaBackendDev {
+    struct ibv_device_attr dev_attr;
+    RdmaBackendThread comp_thread;
+    union ibv_gid gid;
+    PCIDevice *dev;
+    RdmaDeviceResources *rdma_dev_res;
+    struct ibv_device *ib_dev;
+    struct ibv_context *context;
+    struct ibv_comp_channel *channel;
+    uint8_t port_num;
+    uint8_t backend_gid_idx;
+} RdmaBackendDev;
+
+typedef struct RdmaBackendPD {
+    struct ibv_pd *ibpd;
+} RdmaBackendPD;
+
+typedef struct RdmaBackendMR {
+    struct ibv_pd *ibpd;
+    struct ibv_mr *ibmr;
+} RdmaBackendMR;
+
+typedef struct RdmaBackendCQ {
+    RdmaBackendDev *backend_dev;
+    struct ibv_cq *ibcq;
+} RdmaBackendCQ;
+
+typedef struct RdmaBackendQP {
+    struct ibv_pd *ibpd;
+    struct ibv_qp *ibqp;
+} RdmaBackendQP;
+
+#endif