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authorParav Pandit <parav.pandit@emulex.com>2012-03-21 04:09:06 +0530
committerRoland Dreier <roland@purestorage.com>2012-05-08 11:17:47 -0700
commitfe2caefcdf5869f308c102e3d64d40683bfad711 (patch)
tree897e66d7aad31183fec317c4edba4f72f8d98e08 /drivers/infiniband/hw/ocrdma/ocrdma_hw.h
parentbe2net: Add functionality to support RoCE driver (diff)
downloadlinux-dev-fe2caefcdf5869f308c102e3d64d40683bfad711.tar.xz
linux-dev-fe2caefcdf5869f308c102e3d64d40683bfad711.zip
RDMA/ocrdma: Add driver for Emulex OneConnect IBoE RDMA adapter
Signed-off-by: Parav Pandit <parav.pandit@emulex.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to '')
-rw-r--r--drivers/infiniband/hw/ocrdma/ocrdma_hw.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
new file mode 100644
index 000000000000..be5db77404db
--- /dev/null
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
@@ -0,0 +1,132 @@
+/*******************************************************************
+ * This file is part of the Emulex RoCE Device Driver for *
+ * RoCE (RDMA over Converged Ethernet) CNA Adapters. *
+ * Copyright (C) 2008-2012 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.emulex.com *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *
+ * Contact Information:
+ * linux-drivers@emulex.com
+ *
+ * Emulex
+ * 3333 Susan Street
+ * Costa Mesa, CA 92626
+ *******************************************************************/
+
+#ifndef __OCRDMA_HW_H__
+#define __OCRDMA_HW_H__
+
+#include "ocrdma_sli.h"
+
+static inline void ocrdma_cpu_to_le32(void *dst, u32 len)
+{
+#ifdef __BIG_ENDIAN
+ int i = 0;
+ u32 *src_ptr = dst;
+ u32 *dst_ptr = dst;
+ for (; i < (len / 4); i++)
+ *(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
+#endif
+}
+
+static inline void ocrdma_le32_to_cpu(void *dst, u32 len)
+{
+#ifdef __BIG_ENDIAN
+ int i = 0;
+ u32 *src_ptr = dst;
+ u32 *dst_ptr = dst;
+ for (; i < (len / sizeof(u32)); i++)
+ *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
+#endif
+}
+
+static inline void ocrdma_copy_cpu_to_le32(void *dst, void *src, u32 len)
+{
+#ifdef __BIG_ENDIAN
+ int i = 0;
+ u32 *src_ptr = src;
+ u32 *dst_ptr = dst;
+ for (; i < (len / sizeof(u32)); i++)
+ *(dst_ptr + i) = cpu_to_le32p(src_ptr + i);
+#else
+ memcpy(dst, src, len);
+#endif
+}
+
+static inline void ocrdma_copy_le32_to_cpu(void *dst, void *src, u32 len)
+{
+#ifdef __BIG_ENDIAN
+ int i = 0;
+ u32 *src_ptr = src;
+ u32 *dst_ptr = dst;
+ for (; i < len / sizeof(u32); i++)
+ *(dst_ptr + i) = le32_to_cpu(*(src_ptr + i));
+#else
+ memcpy(dst, src, len);
+#endif
+}
+
+int ocrdma_init_hw(struct ocrdma_dev *);
+void ocrdma_cleanup_hw(struct ocrdma_dev *);
+
+enum ib_qp_state get_ibqp_state(enum ocrdma_qp_state qps);
+void ocrdma_ring_cq_db(struct ocrdma_dev *, u16 cq_id, bool armed,
+ bool solicited, u16 cqe_popped);
+
+/* verbs specific mailbox commands */
+int ocrdma_query_config(struct ocrdma_dev *,
+ struct ocrdma_mbx_query_config *config);
+int ocrdma_resolve_dgid(struct ocrdma_dev *, union ib_gid *dgid, u8 *mac_addr);
+
+int ocrdma_mbx_alloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
+int ocrdma_mbx_dealloc_pd(struct ocrdma_dev *, struct ocrdma_pd *);
+
+int ocrdma_mbx_alloc_lkey(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
+ u32 pd_id, int addr_check);
+int ocrdma_mbx_dealloc_lkey(struct ocrdma_dev *, int fmr, u32 lkey);
+
+int ocrdma_reg_mr(struct ocrdma_dev *, struct ocrdma_hw_mr *hwmr,
+ u32 pd_id, int acc);
+int ocrdma_mbx_create_cq(struct ocrdma_dev *, struct ocrdma_cq *,
+ int entries, int dpp_cq);
+int ocrdma_mbx_destroy_cq(struct ocrdma_dev *, struct ocrdma_cq *);
+
+int ocrdma_mbx_create_qp(struct ocrdma_qp *, struct ib_qp_init_attr *attrs,
+ u8 enable_dpp_cq, u16 dpp_cq_id, u16 *dpp_offset,
+ u16 *dpp_credit_lmt);
+int ocrdma_mbx_modify_qp(struct ocrdma_dev *, struct ocrdma_qp *,
+ struct ib_qp_attr *attrs, int attr_mask,
+ enum ib_qp_state old_qps);
+int ocrdma_mbx_query_qp(struct ocrdma_dev *, struct ocrdma_qp *,
+ struct ocrdma_qp_params *param);
+int ocrdma_mbx_destroy_qp(struct ocrdma_dev *, struct ocrdma_qp *);
+
+int ocrdma_mbx_create_srq(struct ocrdma_srq *,
+ struct ib_srq_init_attr *,
+ struct ocrdma_pd *);
+int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
+int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
+int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);
+
+int ocrdma_alloc_av(struct ocrdma_dev *, struct ocrdma_ah *);
+int ocrdma_free_av(struct ocrdma_dev *, struct ocrdma_ah *);
+
+int ocrdma_qp_state_machine(struct ocrdma_qp *, enum ib_qp_state new_state,
+ enum ib_qp_state *old_ib_state);
+bool ocrdma_is_qp_in_sq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
+bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, struct ocrdma_qp *);
+void ocrdma_flush_qp(struct ocrdma_qp *);
+
+#endif /* __OCRDMA_HW_H__ */