X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Finfiniband%2Fhw%2Fehca%2Fhcp_phyp.h;fp=drivers%2Finfiniband%2Fhw%2Fehca%2Fhcp_phyp.h;h=5305c2a3ed94adc81fe7dbe4a96239c715b4a21d;hb=76828883507a47dae78837ab5dec5a5b4513c667;hp=0000000000000000000000000000000000000000;hpb=64ba3f394c830ec48a1c31b53dcae312c56f1604;p=linux-2.6.git

diff --git a/drivers/infiniband/hw/ehca/hcp_phyp.h b/drivers/infiniband/hw/ehca/hcp_phyp.h
new file mode 100644
index 000000000..5305c2a3e
--- /dev/null
+++ b/drivers/infiniband/hw/ehca/hcp_phyp.h
@@ -0,0 +1,90 @@
+/*
+ *  IBM eServer eHCA Infiniband device driver for Linux on POWER
+ *
+ *  Firmware calls
+ *
+ *  Authors: Christoph Raisch <raisch@de.ibm.com>
+ *           Hoang-Nam Nguyen <hnguyen@de.ibm.com>
+ *           Waleri Fomin <fomin@de.ibm.com>
+ *           Gerd Bayer <gerd.bayer@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.
+ */
+
+#ifndef __HCP_PHYP_H__
+#define __HCP_PHYP_H__
+
+
+/*
+ * eHCA page (mapped into memory)
+ * resource to access eHCA register pages in CPU address space
+*/
+struct h_galpa {
+	u64 fw_handle;
+	/* for pSeries this is a 64bit memory address where
+	   I/O memory is mapped into CPU address space (kv) */
+};
+
+/*
+ * resource to access eHCA address space registers, all types
+ */
+struct h_galpas {
+	u32 pid;		/*PID of userspace galpa checking */
+	struct h_galpa user;	/* user space accessible resource,
+				   set to 0 if unused */
+	struct h_galpa kernel;	/* kernel space accessible resource,
+				   set to 0 if unused */
+};
+
+static inline u64 hipz_galpa_load(struct h_galpa galpa, u32 offset)
+{
+	u64 addr = galpa.fw_handle + offset;
+	return *(volatile u64 __force *)addr;
+}
+
+static inline void hipz_galpa_store(struct h_galpa galpa, u32 offset, u64 value)
+{
+	u64 addr = galpa.fw_handle + offset;
+	*(volatile u64 __force *)addr = value;
+}
+
+int hcp_galpas_ctor(struct h_galpas *galpas,
+		    u64 paddr_kernel, u64 paddr_user);
+
+int hcp_galpas_dtor(struct h_galpas *galpas);
+
+int hcall_map_page(u64 physaddr, u64 * mapaddr);
+
+int hcall_unmap_page(u64 mapaddr);
+
+#endif