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-rw-r--r--drivers/infiniband/hw/usnic/usnic_ib.h133
1 files changed, 133 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/usnic/usnic_ib.h b/drivers/infiniband/hw/usnic/usnic_ib.h
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+++ b/drivers/infiniband/hw/usnic/usnic_ib.h
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+/*
+ * Copyright (c) 2013, Cisco Systems, 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
+ * 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 USNIC_IB_H_
+#define USNIC_IB_H_
+
+#include <linux/iommu.h>
+#include <linux/netdevice.h>
+
+#include <rdma/ib_verbs.h>
+
+
+#include "usnic.h"
+#include "usnic_abi.h"
+#include "usnic_vnic.h"
+
+#define USNIC_IB_PORT_CNT 1
+#define USNIC_IB_NUM_COMP_VECTORS 1
+
+extern unsigned int usnic_ib_share_vf;
+
+struct usnic_ib_ucontext {
+ struct ib_ucontext ibucontext;
+ /* Protected by usnic_ib_dev->usdev_lock */
+ struct list_head qp_grp_list;
+ struct list_head link;
+};
+
+struct usnic_ib_pd {
+ struct ib_pd ibpd;
+ struct usnic_uiom_pd *umem_pd;
+};
+
+struct usnic_ib_mr {
+ struct ib_mr ibmr;
+ struct usnic_uiom_reg *umem;
+};
+
+struct usnic_ib_dev {
+ struct ib_device ib_dev;
+ struct pci_dev *pdev;
+ struct net_device *netdev;
+ struct usnic_fwd_dev *ufdev;
+ struct list_head ib_dev_link;
+ struct list_head vf_dev_list;
+ struct list_head ctx_list;
+ struct mutex usdev_lock;
+
+ /* provisioning information */
+ struct kref vf_cnt;
+ unsigned int vf_res_cnt[USNIC_VNIC_RES_TYPE_MAX];
+
+ /* sysfs vars for QPN reporting */
+ struct kobject *qpn_kobj;
+};
+
+struct usnic_ib_vf {
+ struct usnic_ib_dev *pf;
+ spinlock_t lock;
+ struct usnic_vnic *vnic;
+ unsigned int qp_grp_ref_cnt;
+ struct usnic_ib_pd *pd;
+ struct list_head link;
+};
+
+static inline
+struct usnic_ib_dev *to_usdev(struct ib_device *ibdev)
+{
+ return container_of(ibdev, struct usnic_ib_dev, ib_dev);
+}
+
+static inline
+struct usnic_ib_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
+{
+ return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
+}
+
+static inline
+struct usnic_ib_pd *to_upd(struct ib_pd *ibpd)
+{
+ return container_of(ibpd, struct usnic_ib_pd, ibpd);
+}
+
+static inline
+struct usnic_ib_ucontext *to_uucontext(struct ib_ucontext *ibucontext)
+{
+ return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
+}
+
+static inline
+struct usnic_ib_mr *to_umr(struct ib_mr *ibmr)
+{
+ return container_of(ibmr, struct usnic_ib_mr, ibmr);
+}
+void usnic_ib_log_vf(struct usnic_ib_vf *vf);
+
+#define UPDATE_PTR_LEFT(N, P, L) \
+do { \
+ L -= (N); \
+ P += (N); \
+} while (0)
+
+#endif /* USNIC_IB_H_ */