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authorLinus Torvalds <torvalds@g5.osdl.org>2006-09-22 15:47:06 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-09-22 15:47:06 -0700
commitdb392219c5f572610645696e3672f6ea38783a65 (patch)
tree240878f6367e528840cc4fe92f6b3a251651572f /drivers/infiniband/hw/ehca/hcp_phyp.c
parent3e2ab46df697048e222cdc046a2fa97149ca32ba (diff)
parent9cd330d36b32ed48d49561b165842db20bd153cc (diff)
downloadtalos-op-linux-db392219c5f572610645696e3672f6ea38783a65.tar.gz
talos-op-linux-db392219c5f572610645696e3672f6ea38783a65.zip
Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband: (65 commits) IB: Fix typo in kerneldoc for ib_set_client_data() IPoIB: Add some likely/unlikely annotations in hot path IPoIB: Remove unused include of vmalloc.h IPoIB: Rejoin all multicast groups after a port event IPoIB: Create MCGs with all attributes required by RFC IB/sa: fix ib_sa_selector names IB/iser: INFINIBAND_ISER depends on INET IB/mthca: Simplify calls to mthca_cq_clean() RDMA/cma: Document rdma_accept() error handling IB/mthca: Recover from catastrophic errors RDMA/cma: Document rdma_destroy_id() function IB/cm: Do not track remote QPN in timewait state IB/sa: Require SA registration IPoIB: Refactor completion handling IB/iser: Do not use FMR for a single dma entry sg IB/iser: fix some debug prints IB/iser: make FMR "page size" be 4K and not PAGE_SIZE IB/iser: Limit the max size of a scsi command IB/iser: fix a check of SG alignment for RDMA RDMA/cma: Protect against adding device during destruction ...
Diffstat (limited to 'drivers/infiniband/hw/ehca/hcp_phyp.c')
-rw-r--r--drivers/infiniband/hw/ehca/hcp_phyp.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.c b/drivers/infiniband/hw/ehca/hcp_phyp.c
new file mode 100644
index 000000000000..0b1a4772c78a
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/hcp_phyp.c
@@ -0,0 +1,80 @@
+/*
+ * IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ * load store abstraction for ehca register access with tracing
+ *
+ * Authors: Christoph Raisch <raisch@de.ibm.com>
+ * Hoang-Nam Nguyen <hnguyen@de.ibm.com>
+ *
+ * Copyright (c) 2005 IBM Corporation
+ *
+ * All rights reserved.
+ *
+ * This source code is distributed under a dual license of GPL v2.0 and OpenIB
+ * BSD.
+ *
+ * OpenIB 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.
+ *
+ * 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.
+ */
+
+#include "ehca_classes.h"
+#include "hipz_hw.h"
+
+int hcall_map_page(u64 physaddr, u64 *mapaddr)
+{
+ *mapaddr = (u64)(ioremap(physaddr, EHCA_PAGESIZE));
+ return 0;
+}
+
+int hcall_unmap_page(u64 mapaddr)
+{
+ iounmap((volatile void __iomem*)mapaddr);
+ return 0;
+}
+
+int hcp_galpas_ctor(struct h_galpas *galpas,
+ u64 paddr_kernel, u64 paddr_user)
+{
+ int ret = hcall_map_page(paddr_kernel, &galpas->kernel.fw_handle);
+ if (ret)
+ return ret;
+
+ galpas->user.fw_handle = paddr_user;
+
+ return 0;
+}
+
+int hcp_galpas_dtor(struct h_galpas *galpas)
+{
+ if (galpas->kernel.fw_handle) {
+ int ret = hcall_unmap_page(galpas->kernel.fw_handle);
+ if (ret)
+ return ret;
+ }
+
+ galpas->user.fw_handle = galpas->kernel.fw_handle = 0;
+
+ return 0;
+}
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