isci: uplevel register hardware data structures and unsolicited frame handling

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 336 insertions, 0 deletions

diff --git a/drivers/scsi/isci/scu_event_codes.h b/drivers/scsi/isci/scu_event_codes.h
new file mode 100644
index 000000000000..36a945ad5722
--- /dev/null
+++ b/drivers/scsi/isci/scu_event_codes.h
@@ -0,0 +1,336 @@
+/*
+ * 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
+ *
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * The full GNU General Public License is included in this distribution
+ * in the file called LICENSE.GPL.
+ *
+ * BSD LICENSE
+ *
+ * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * 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 __SCU_EVENT_CODES_HEADER__
+#define __SCU_EVENT_CODES_HEADER__
+
+/**
+ * This file contains the constants and macros for the SCU event codes.
+ *
+ *
+ */
+
+#define SCU_EVENT_TYPE_CODE_SHIFT      24
+#define SCU_EVENT_TYPE_CODE_MASK       0x0F000000
+
+#define SCU_EVENT_SPECIFIC_CODE_SHIFT  18
+#define SCU_EVENT_SPECIFIC_CODE_MASK   0x00FC0000
+
+#define SCU_EVENT_CODE_MASK \
+	(SCU_EVENT_TYPE_CODE_MASK | SCU_EVENT_SPECIFIC_CODE_MASK)
+
+/**
+ * SCU_EVENT_TYPE() -
+ *
+ * This macro constructs an SCU event type from the type value.
+ */
+#define SCU_EVENT_TYPE(type) \
+	((u32)(type) << SCU_EVENT_TYPE_CODE_SHIFT)
+
+/**
+ * SCU_EVENT_SPECIFIC() -
+ *
+ * This macro constructs an SCU event specifier from the code value.
+ */
+#define SCU_EVENT_SPECIFIC(code) \
+	((u32)(code) << SCU_EVENT_SPECIFIC_CODE_SHIFT)
+
+/**
+ * SCU_EVENT_MESSAGE() -
+ *
+ * This macro constructs a combines an SCU event type and SCU event specifier
+ * from the type and code values.
+ */
+#define SCU_EVENT_MESSAGE(type, code) \
+	((type) | SCU_EVENT_SPECIFIC(code))
+
+/**
+ * SCU_EVENT_TYPE() -
+ *
+ * SCU_EVENT_TYPES
+ */
+#define SCU_EVENT_TYPE_SMU_COMMAND_ERROR  SCU_EVENT_TYPE(0x08)
+#define SCU_EVENT_TYPE_SMU_PCQ_ERROR      SCU_EVENT_TYPE(0x09)
+#define SCU_EVENT_TYPE_SMU_ERROR          SCU_EVENT_TYPE(0x00)
+#define SCU_EVENT_TYPE_TRANSPORT_ERROR    SCU_EVENT_TYPE(0x01)
+#define SCU_EVENT_TYPE_BROADCAST_CHANGE   SCU_EVENT_TYPE(0x02)
+#define SCU_EVENT_TYPE_OSSP_EVENT         SCU_EVENT_TYPE(0x03)
+#define SCU_EVENT_TYPE_FATAL_MEMORY_ERROR SCU_EVENT_TYPE(0x0F)
+#define SCU_EVENT_TYPE_RNC_SUSPEND_TX     SCU_EVENT_TYPE(0x04)
+#define SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX  SCU_EVENT_TYPE(0x05)
+#define SCU_EVENT_TYPE_RNC_OPS_MISC       SCU_EVENT_TYPE(0x06)
+#define SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT SCU_EVENT_TYPE(0x07)
+#define SCU_EVENT_TYPE_ERR_CNT_EVENT      SCU_EVENT_TYPE(0x0A)
+
+/**
+ *
+ *
+ * SCU_EVENT_SPECIFIERS
+ */
+#define SCU_EVENT_SPECIFIER_DRIVER_SUSPEND 0x20
+#define SCU_EVENT_SPECIFIER_RNC_RELEASE    0x00
+
+/**
+ *
+ *
+ * SMU_COMMAND_EVENTS
+ */
+#define SCU_EVENT_INVALID_CONTEXT_COMMAND \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_SMU_COMMAND_ERROR, 0x00)
+
+/**
+ *
+ *
+ * SMU_PCQ_EVENTS
+ */
+#define SCU_EVENT_UNCORRECTABLE_PCQ_ERROR \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_SMU_PCQ_ERROR, 0x00)
+
+/**
+ *
+ *
+ * SMU_EVENTS
+ */
+#define SCU_EVENT_UNCORRECTABLE_REGISTER_WRITE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_SMU_ERROR, 0x02)
+#define SCU_EVENT_UNCORRECTABLE_REGISTER_READ \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_SMU_ERROR, 0x03)
+#define SCU_EVENT_PCIE_INTERFACE_ERROR \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_SMU_ERROR, 0x04)
+#define SCU_EVENT_FUNCTION_LEVEL_RESET \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_SMU_ERROR, 0x05)
+
+/**
+ *
+ *
+ * TRANSPORT_LEVEL_ERRORS
+ */
+#define SCU_EVENT_ACK_NAK_TIMEOUT_ERROR	\
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_TRANSPORT_ERROR, 0x00)
+
+/**
+ *
+ *
+ * BROADCAST_CHANGE_EVENTS
+ */
+#define SCU_EVENT_BROADCAST_CHANGE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x01)
+#define SCU_EVENT_BROADCAST_RESERVED0 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x02)
+#define SCU_EVENT_BROADCAST_RESERVED1 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x03)
+#define SCU_EVENT_BROADCAST_SES	\
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x04)
+#define SCU_EVENT_BROADCAST_EXPANDER \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x05)
+#define SCU_EVENT_BROADCAST_AEN	\
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x06)
+#define SCU_EVENT_BROADCAST_RESERVED3 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x07)
+#define SCU_EVENT_BROADCAST_RESERVED4 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x08)
+#define SCU_EVENT_PE_SUSPENDED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_BROADCAST_CHANGE, 0x09)
+
+/**
+ *
+ *
+ * OSSP_EVENTS
+ */
+#define SCU_EVENT_PORT_SELECTOR_DETECTED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x10)
+#define SCU_EVENT_SENT_PORT_SELECTION \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x11)
+#define SCU_EVENT_HARD_RESET_TRANSMITTED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x12)
+#define SCU_EVENT_HARD_RESET_RECEIVED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x13)
+#define SCU_EVENT_RECEIVED_IDENTIFY_TIMEOUT \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x15)
+#define SCU_EVENT_LINK_FAILURE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x16)
+#define SCU_EVENT_SATA_SPINUP_HOLD \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x17)
+#define SCU_EVENT_SAS_15_SSC \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x18)
+#define SCU_EVENT_SAS_15 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x19)
+#define SCU_EVENT_SAS_30_SSC \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x1A)
+#define SCU_EVENT_SAS_30 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x1B)
+#define SCU_EVENT_SAS_60_SSC \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x1C)
+#define SCU_EVENT_SAS_60 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x1D)
+#define SCU_EVENT_SATA_15_SSC \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x1E)
+#define SCU_EVENT_SATA_15 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x1F)
+#define SCU_EVENT_SATA_30_SSC \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x20)
+#define SCU_EVENT_SATA_30 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x21)
+#define SCU_EVENT_SATA_60_SSC \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x22)
+#define SCU_EVENT_SATA_60 \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x23)
+#define SCU_EVENT_SAS_PHY_DETECTED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x24)
+#define SCU_EVENT_SATA_PHY_DETECTED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_OSSP_EVENT, 0x25)
+
+/**
+ *
+ *
+ * FATAL_INTERNAL_MEMORY_ERROR_EVENTS
+ */
+#define SCU_EVENT_TSC_RNSC_UNCORRECTABLE_ERROR \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_FATAL_MEMORY_ERROR,  0x00)
+#define SCU_EVENT_TC_RNC_UNCORRECTABLE_ERROR \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_FATAL_MEMORY_ERROR,  0x01)
+#define SCU_EVENT_ZPT_UNCORRECTABLE_ERROR \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_FATAL_MEMORY_ERROR,  0x02)
+
+/**
+ *
+ *
+ * REMOTE_NODE_SUSPEND_EVENTS
+ */
+#define SCU_EVENT_TL_RNC_SUSPEND_TX \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_SUSPEND_TX, 0x00)
+#define SCU_EVENT_TL_RNC_SUSPEND_TX_RX \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX, 0x00)
+#define SCU_EVENT_DRIVER_POST_RNC_SUSPEND_TX \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_SUSPEND_TX, 0x20)
+#define SCU_EVENT_DRIVER_POST_RNC_SUSPEND_TX_RX	\
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX, 0x20)
+
+/**
+ *
+ *
+ * REMOTE_NODE_MISC_EVENTS
+ */
+#define SCU_EVENT_POST_RCN_RELEASE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_OPS_MISC, SCU_EVENT_SPECIFIER_RNC_RELEASE)
+#define SCU_EVENT_POST_IT_NEXUS_LOSS_TIMER_ENABLE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_OPS_MISC, 0x01)
+#define SCU_EVENT_POST_IT_NEXUS_LOSS_TIMER_DISABLE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_OPS_MISC, 0x02)
+#define SCU_EVENT_POST_RNC_COMPLETE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_OPS_MISC, 0x03)
+#define SCU_EVENT_POST_RNC_INVALIDATE_COMPLETE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_RNC_OPS_MISC, 0x04)
+
+/**
+ *
+ *
+ * ERROR_COUNT_EVENT
+ */
+#define SCU_EVENT_RX_CREDIT_BLOCKED_RECEIVED \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_ERR_CNT_EVENT, 0x00)
+#define SCU_EVENT_TX_DONE_CREDIT_TIMEOUT \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_ERR_CNT_EVENT, 0x01)
+#define SCU_EVENT_RX_DONE_CREDIT_TIMEOUT \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_ERR_CNT_EVENT, 0x02)
+
+/**
+ * scu_get_event_type() -
+ *
+ * This macro returns the SCU event type from the event code.
+ */
+#define scu_get_event_type(event_code) \
+	((event_code) & SCU_EVENT_TYPE_CODE_MASK)
+
+/**
+ * scu_get_event_specifier() -
+ *
+ * This macro returns the SCU event specifier from the event code.
+ */
+#define scu_get_event_specifier(event_code) \
+	((event_code) & SCU_EVENT_SPECIFIC_CODE_MASK)
+
+/**
+ * scu_get_event_code() -
+ *
+ * This macro returns the combined SCU event type and SCU event specifier from
+ * the event code.
+ */
+#define scu_get_event_code(event_code) \
+	((event_code) & SCU_EVENT_CODE_MASK)
+
+
+/**
+ *
+ *
+ * PTS_SCHEDULE_EVENT
+ */
+#define SCU_EVENT_SMP_RESPONSE_NO_PE \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT, 0x00)
+#define SCU_EVENT_SPECIFIC_SMP_RESPONSE_NO_PE \
+	scu_get_event_specifier(SCU_EVENT_SMP_RESPONSE_NO_PE)
+
+#define SCU_EVENT_TASK_TIMEOUT \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT, 0x01)
+#define SCU_EVENT_SPECIFIC_TASK_TIMEOUT	\
+	scu_get_event_specifier(SCU_EVENT_TASK_TIMEOUT)
+
+#define SCU_EVENT_IT_NEXUS_TIMEOUT \
+	SCU_EVENT_MESSAGE(SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT, 0x02)
+#define SCU_EVENT_SPECIFIC_IT_NEXUS_TIMEOUT \
+	scu_get_event_specifier(SCU_EVENT_IT_NEXUS_TIMEOUT)
+
+
+#endif /* __SCU_EVENT_CODES_HEADER__ */