summaryrefslogtreecommitdiffstats
path: root/src/include
diff options
context:
space:
mode:
Diffstat (limited to 'src/include')
-rw-r--r--src/include/sys/mmio.h15
-rw-r--r--src/include/usr/hbotcompid.H7
-rw-r--r--src/include/usr/isteps/istep12list.H1
-rw-r--r--src/include/usr/mmio/mmio.H39
-rw-r--r--src/include/usr/mmio/mmio_reasoncodes.H57
5 files changed, 85 insertions, 34 deletions
diff --git a/src/include/sys/mmio.h b/src/include/sys/mmio.h
index 75d923e41..e1dfdbf4d 100644
--- a/src/include/sys/mmio.h
+++ b/src/include/sys/mmio.h
@@ -152,11 +152,24 @@ static const uint64_t MMIO_IBSCOM_UE_DETECTED = 0x53434F4D4641494C;
/** Constants used to define IBSCOM MMIO address ranges
*/
-static const uint64_t MMIO_IBSCOM_BASE_MASK = 0x6030220000000;
+static const uint64_t MMIO_IBSCOM_BASE_MASK = 0x0006030220000000;
static const uint64_t MMIO_IBSCOM_DMI_MASK = 0x000000001FFFFFFF;
static const uint64_t MMIO_IBSCOM_CHIP_MASK = 0x00001C0000000000;
static const uint64_t MMIO_IBSCOM_GROUP_MASK = 0x0001700000000000;
+/** Constant used by kernel to signal to OCMB MMIO device driver
+ * that a UE was triggered during the OCMB MMIO Read operation
+ * Value is "OCMBFAIL" in ASCII.
+ */
+static const uint64_t MMIO_OCMB_UE_DETECTED = 0x4F434D424641494C;
+
+/** Constants used to define OCMB MMIO address ranges
+ * OCMB physical memory starts at 3TB + 16GB
+ * 64 OCMBs * 4GB per OCMB = 256GB
+*/
+static const uint64_t MMIO_OCMB_BASE_MASK = 0x0006030400000000; // 3TB + 16GB
+static const uint64_t MMIO_OCMB_BASE_RANGE = 0x00000070FFFFFFFF; // 256GB
+
#ifdef __cplusplus
}
#endif
diff --git a/src/include/usr/hbotcompid.H b/src/include/usr/hbotcompid.H
index 40739f2ba..c9987ac6d 100644
--- a/src/include/usr/hbotcompid.H
+++ b/src/include/usr/hbotcompid.H
@@ -453,6 +453,13 @@ const compId_t EXPSCOM_COMP_ID = 0x3600;
const char EXPSCOM_COMP_NAME[] = "expscom";
//@}
+/** @name MMIO
+ * Hostboot MMIO Interface
+ */
+//@{
+const compId_t MMIO_COMP_ID = 0x3700;
+const char MMIO_COMP_NAME[] = "mmio";
+
/** @name NVRAM
* NVRAM Support component
*/
diff --git a/src/include/usr/isteps/istep12list.H b/src/include/usr/isteps/istep12list.H
index 36927fb43..161c17732 100644
--- a/src/include/usr/isteps/istep12list.H
+++ b/src/include/usr/isteps/istep12list.H
@@ -290,6 +290,7 @@ const DepModInfo g_istep12Dependancies = {
DEP_LIB(libnestmemutils.so),
DEP_LIB(libisteps_io.so),
DEP_LIB(libisteps_mss.so),
+ DEP_LIB(libmmio.so),
NULL
}
};
diff --git a/src/include/usr/mmio/mmio.H b/src/include/usr/mmio/mmio.H
index e340e29e4..b0a9c522e 100644
--- a/src/include/usr/mmio/mmio.H
+++ b/src/include/usr/mmio/mmio.H
@@ -22,50 +22,23 @@
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
-#ifndef __MMIO_H
-#define __MMIO_H
+#ifndef __USR_MMIO_MMIO_H
+#define __USR_MMIO_MMIO_H
/** @file mmio.H
- * @brief Provides the interfaces to perform a MMIO operation
+ * @brief Provides the interface to initialize MMIO operations
* */
namespace MMIO
{
/**
* @brief Memory map OCMBs.
- * This function maps OCMB memory and registers into Hostboot virtual memory..
+ * This function maps OCMB memory and registers it into Hostboot virtual memory.
*
+ * @return nullptr on success, valid error log(errlHndl_t) if an error occurred
*/
-void mmioSetup();
+errlHndl_t mmioSetup();
-/**
- * @brief Complete the MMIO operation.
- * This function performs read or write operations on OCMBs by accessing
- * virtual memory that was previously memory mapped to the OCMBs.
- * It follows a pre-defined function prototype in order to be registered
- * with the device driver framework.
- *
- * @param[in] i_opType Operation type, see driverif.H
- * @param[in] i_target MMIO target
- * @param[in/out] io_buffer Read: Pointer to output data storage
- * Write: Pointer to input data storage
- * @param[in/out] io_buflen Input: Read: size of data to read (in bytes)
- * Write: Size of data to write
- * Output: Read: Size of output data
- * Write: Size of data written
- * @param[in] i_accessType Access type
- * @param[in] i_args This is an argument list for DD framework.
- * In this function, there are two arguments,
- * the offset (bytes) into the device, and the number
- * of bytes to read at a time (device limitation).
- * @return errlHndl_t
- */
-errlHndl_t mmioPerformOp(DeviceFW::OperationType i_opType,
- TARGETING::TargetHandle_t i_target,
- void* io_buffer,
- size_t& io_buflen,
- int64_t i_accessType,
- va_list i_args);
}; // End namespace
#endif
diff --git a/src/include/usr/mmio/mmio_reasoncodes.H b/src/include/usr/mmio/mmio_reasoncodes.H
new file mode 100644
index 000000000..7e2481934
--- /dev/null
+++ b/src/include/usr/mmio/mmio_reasoncodes.H
@@ -0,0 +1,57 @@
+/* IBM_PROLOG_BEGIN_TAG */
+/* This is an automatically generated prolog. */
+/* */
+/* $Source: src/include/usr/mmio/mmio_reasoncodes.H $ */
+/* */
+/* OpenPOWER HostBoot Project */
+/* */
+/* Contributors Listed Below - COPYRIGHT 2011,2018 */
+/* [+] International Business Machines Corp. */
+/* */
+/* */
+/* Licensed under the Apache License, Version 2.0 (the "License"); */
+/* you may not use this file except in compliance with the License. */
+/* You may obtain a copy of the License at */
+/* */
+/* http://www.apache.org/licenses/LICENSE-2.0 */
+/* */
+/* Unless required by applicable law or agreed to in writing, software */
+/* distributed under the License is distributed on an "AS IS" BASIS, */
+/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
+/* implied. See the License for the specific language governing */
+/* permissions and limitations under the License. */
+/* */
+/* IBM_PROLOG_END_TAG */
+#ifndef __MMIO_REASONCODES_H
+#define __MMIO_REASONCODES_H
+
+#include <hbotcompid.H>
+
+namespace MMIO
+{
+ enum MMIOModuleId
+ {
+ MOD_MMIO_INVALID = 0x00,
+ MOD_MMIO_SETUP = 0x01,
+ MOD_MMIO_PERFORM_OP = 0x02,
+ MOD_MMIO_GET_PROC_SCOM = 0x03,
+ MOD_MMIO_SET_PROC_SCOM = 0x04,
+ };
+
+ enum MMIOReasonCode
+ {
+ RC_INVALID = MMIO_COMP_ID | 0x00,
+ RC_INVALID_SETUP = MMIO_COMP_ID | 0x01,
+ RC_INVALID_BUFFER = MMIO_COMP_ID | 0x02,
+ RC_INSUFFICIENT_BUFFER = MMIO_COMP_ID | 0x03,
+ RC_INCORRECT_BUFFER_LENGTH = MMIO_COMP_ID | 0x04,
+ RC_INVALID_OFFSET = MMIO_COMP_ID | 0x05,
+ RC_INVALID_OFFSET_ALIGNMENT = MMIO_COMP_ID | 0x06,
+ RC_INVALID_ACCESS_LIMIT = MMIO_COMP_ID | 0x07,
+ RC_BAD_MMIO_READ = MMIO_COMP_ID | 0x08,
+ RC_BAD_MMIO_WRITE = MMIO_COMP_ID | 0x09,
+ RC_PROC_NOT_FOUND = MMIO_COMP_ID | 0x0A,
+ };
+};
+
+#endif
OpenPOWER on IntegriCloud