summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/hfi1/msix.h
diff options
context:
space:
mode:
authorMichael J. Ruhl <michael.j.ruhl@intel.com>2018-08-16 16:28:40 +0300
committerDoug Ledford <dledford@redhat.com>2018-09-01 15:11:35 +0300
commit09e71899b9cf5ed7495118b3023db41575013fe2 (patch)
tree50c3b602095b276bd18acf4727cd425f51ae81dd /drivers/infiniband/hw/hfi1/msix.h
parent57f97e96625fe89246827ebb4d129741a4f83c40 (diff)
downloadlinux-09e71899b9cf5ed7495118b3023db41575013fe2.tar.xz
IB/hfi1: Prepare for new HFI1 MSIx API
The current HFI1 MSIx API is difficult to follow, change, or add to. In anticipation of moving to an more flexible API, move the current MSIx functionality to the new msix.c module. Reviewed-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-by: Sadanand Warrier <sadanand.warrier@intel.com> Signed-off-by: Michael J. Ruhl <michael.j.ruhl@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/msix.h')
-rw-r--r--drivers/infiniband/hw/hfi1/msix.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/msix.h b/drivers/infiniband/hw/hfi1/msix.h
new file mode 100644
index 000000000000..45cadd56fef9
--- /dev/null
+++ b/drivers/infiniband/hw/hfi1/msix.h
@@ -0,0 +1,64 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * Copyright(c) 2018 Intel Corporation.
+ *
+ * This file is provided under a dual BSD/GPLv2 license. When using or
+ * redistributing this file, you may do so under either license.
+ *
+ * GPL LICENSE SUMMARY
+ *
+ * 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, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * BSD LICENSE
+ *
+ * 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.
+ * - Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef _HFI1_MSIX_H
+#define _HFI1_MSIX_H
+
+#include "hfi.h"
+
+/* MSIx interface */
+int request_msix(struct hfi1_devdata *dd, u32 msireq);
+int set_up_interrupts(struct hfi1_devdata *dd);
+int request_msix_irqs(struct hfi1_devdata *dd);
+void hfi1_clean_up_interrupts(struct hfi1_devdata *dd);
+
+/* VNIC interface */
+void hfi1_vnic_synchronize_irq(struct hfi1_devdata *dd);
+void hfi1_set_vnic_msix_info(struct hfi1_ctxtdata *rcd);
+void hfi1_reset_vnic_msix_info(struct hfi1_ctxtdata *rcd);
+
+#endif