Merge branch 'master' into for-next

Sync with Linus' tree to be able to apply pending patches that
are based on newer code already present upstream.

1 files changed, 283 insertions, 0 deletions

diff --git a/drivers/scsi/isci/scu_completion_codes.h b/drivers/scsi/isci/scu_completion_codes.h
new file mode 100644
index 0000000..c8b329c
--- /dev/null
+++ b/drivers/scsi/isci/scu_completion_codes.h
@@ -0,0 +1,283 @@
+/*
+ * 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_COMPLETION_CODES_HEADER_
+#define _SCU_COMPLETION_CODES_HEADER_
+
+/**
+ * This file contains the constants and macros for the SCU hardware completion
+ *    codes.
+ *
+ *
+ */
+
+#define SCU_COMPLETION_TYPE_SHIFT      28
+#define SCU_COMPLETION_TYPE_MASK       0x70000000
+
+/**
+ * SCU_COMPLETION_TYPE() -
+ *
+ * This macro constructs an SCU completion type
+ */
+#define SCU_COMPLETION_TYPE(type) \
+	((u32)(type) << SCU_COMPLETION_TYPE_SHIFT)
+
+/**
+ * SCU_COMPLETION_TYPE() -
+ *
+ * These macros contain the SCU completion types SCU_COMPLETION_TYPE
+ */
+#define SCU_COMPLETION_TYPE_TASK       SCU_COMPLETION_TYPE(0)
+#define SCU_COMPLETION_TYPE_SDMA       SCU_COMPLETION_TYPE(1)
+#define SCU_COMPLETION_TYPE_UFI        SCU_COMPLETION_TYPE(2)
+#define SCU_COMPLETION_TYPE_EVENT      SCU_COMPLETION_TYPE(3)
+#define SCU_COMPLETION_TYPE_NOTIFY     SCU_COMPLETION_TYPE(4)
+
+/**
+ *
+ *
+ * These constants provide the shift and mask values for the various parts of
+ * an SCU completion code.
+ */
+#define SCU_COMPLETION_STATUS_MASK       0x0FFC0000
+#define SCU_COMPLETION_TL_STATUS_MASK    0x0FC00000
+#define SCU_COMPLETION_TL_STATUS_SHIFT   22
+#define SCU_COMPLETION_SDMA_STATUS_MASK  0x003C0000
+#define SCU_COMPLETION_PEG_MASK          0x00010000
+#define SCU_COMPLETION_PORT_MASK         0x00007000
+#define SCU_COMPLETION_PE_MASK           SCU_COMPLETION_PORT_MASK
+#define SCU_COMPLETION_PE_SHIFT          12
+#define SCU_COMPLETION_INDEX_MASK        0x00000FFF
+
+/**
+ * SCU_GET_COMPLETION_TYPE() -
+ *
+ * This macro returns the SCU completion type.
+ */
+#define SCU_GET_COMPLETION_TYPE(completion_code) \
+	((completion_code) & SCU_COMPLETION_TYPE_MASK)
+
+/**
+ * SCU_GET_COMPLETION_STATUS() -
+ *
+ * This macro returns the SCU completion status.
+ */
+#define SCU_GET_COMPLETION_STATUS(completion_code) \
+	((completion_code) & SCU_COMPLETION_STATUS_MASK)
+
+/**
+ * SCU_GET_COMPLETION_TL_STATUS() -
+ *
+ * This macro returns the transport layer completion status.
+ */
+#define SCU_GET_COMPLETION_TL_STATUS(completion_code) \
+	((completion_code) & SCU_COMPLETION_TL_STATUS_MASK)
+
+/**
+ * SCU_MAKE_COMPLETION_STATUS() -
+ *
+ * This macro takes a completion code and performs the shift and mask
+ * operations to turn it into a completion code that can be compared to a
+ * SCU_GET_COMPLETION_TL_STATUS.
+ */
+#define SCU_MAKE_COMPLETION_STATUS(completion_code) \
+	((u32)(completion_code) << SCU_COMPLETION_TL_STATUS_SHIFT)
+
+/**
+ * SCU_NORMALIZE_COMPLETION_STATUS() -
+ *
+ * This macro takes a SCU_GET_COMPLETION_TL_STATUS and normalizes it for a
+ * return code.
+ */
+#define SCU_NORMALIZE_COMPLETION_STATUS(completion_code) \
+	(\
+		((completion_code) & SCU_COMPLETION_TL_STATUS_MASK) \
+		>> SCU_COMPLETION_TL_STATUS_SHIFT \
+	)
+
+/**
+ * SCU_GET_COMPLETION_SDMA_STATUS() -
+ *
+ * This macro returns the SDMA completion status.
+ */
+#define SCU_GET_COMPLETION_SDMA_STATUS(completion_code)	\
+	((completion_code) & SCU_COMPLETION_SDMA_STATUS_MASK)
+
+/**
+ * SCU_GET_COMPLETION_PEG() -
+ *
+ * This macro returns the Protocol Engine Group from the completion code.
+ */
+#define SCU_GET_COMPLETION_PEG(completion_code)	\
+	((completion_code) & SCU_COMPLETION_PEG_MASK)
+
+/**
+ * SCU_GET_COMPLETION_PORT() -
+ *
+ * This macro reuturns the logical port index from the completion code.
+ */
+#define SCU_GET_COMPLETION_PORT(completion_code) \
+	((completion_code) & SCU_COMPLETION_PORT_MASK)
+
+/**
+ * SCU_GET_PROTOCOL_ENGINE_INDEX() -
+ *
+ * This macro returns the PE index from the completion code.
+ */
+#define SCU_GET_PROTOCOL_ENGINE_INDEX(completion_code) \
+	(((completion_code) & SCU_COMPLETION_PE_MASK) >> SCU_COMPLETION_PE_SHIFT)
+
+/**
+ * SCU_GET_COMPLETION_INDEX() -
+ *
+ * This macro returns the index of the completion which is either a TCi or an
+ * RNi depending on the completion type.
+ */
+#define SCU_GET_COMPLETION_INDEX(completion_code) \
+	((completion_code) & SCU_COMPLETION_INDEX_MASK)
+
+#define SCU_UNSOLICITED_FRAME_MASK     0x0FFF0000
+#define SCU_UNSOLICITED_FRAME_SHIFT    16
+
+/**
+ * SCU_GET_FRAME_INDEX() -
+ *
+ * This macro returns a normalized frame index from an unsolicited frame
+ * completion.
+ */
+#define SCU_GET_FRAME_INDEX(completion_code) \
+	(\
+		((completion_code) & SCU_UNSOLICITED_FRAME_MASK) \
+		>> SCU_UNSOLICITED_FRAME_SHIFT \
+	)
+
+#define SCU_UNSOLICITED_FRAME_ERROR_MASK  0x00008000
+
+/**
+ * SCU_GET_FRAME_ERROR() -
+ *
+ * This macro returns a zero (0) value if there is no frame error otherwise it
+ * returns non-zero (!0).
+ */
+#define SCU_GET_FRAME_ERROR(completion_code) \
+	((completion_code) & SCU_UNSOLICITED_FRAME_ERROR_MASK)
+
+/**
+ *
+ *
+ * These constants represent normalized completion codes which must be shifted
+ * 18 bits to match it with the hardware completion code. In a 16-bit compiler,
+ * immediate constants are 16-bit values (the size of an int). If we shift
+ * those by 18 bits, we completely lose the value. To ensure the value is a
+ * 32-bit value like we want, each immediate value must be cast to a u32.
+ */
+#define SCU_TASK_DONE_GOOD                                  ((u32)0x00)
+#define SCU_TASK_DONE_CRC_ERR                               ((u32)0x14)
+#define SCU_TASK_DONE_CHECK_RESPONSE                        ((u32)0x14)
+#define SCU_TASK_DONE_GEN_RESPONSE                          ((u32)0x15)
+#define SCU_TASK_DONE_NAK_CMD_ERR                           ((u32)0x16)
+#define SCU_TASK_DONE_CMD_LL_R_ERR                          ((u32)0x16)
+#define SCU_TASK_DONE_LL_R_ERR                              ((u32)0x17)
+#define SCU_TASK_DONE_ACK_NAK_TO                            ((u32)0x17)
+#define SCU_TASK_DONE_LL_PERR                               ((u32)0x18)
+#define SCU_TASK_DONE_LL_SY_TERM                            ((u32)0x19)
+#define SCU_TASK_DONE_NAK_ERR                               ((u32)0x19)
+#define SCU_TASK_DONE_LL_LF_TERM                            ((u32)0x1A)
+#define SCU_TASK_DONE_DATA_LEN_ERR                          ((u32)0x1A)
+#define SCU_TASK_DONE_LL_CL_TERM                            ((u32)0x1B)
+#define SCU_TASK_DONE_LL_ABORT_ERR                          ((u32)0x1B)
+#define SCU_TASK_DONE_SEQ_INV_TYPE                          ((u32)0x1C)
+#define SCU_TASK_DONE_UNEXP_XR                              ((u32)0x1C)
+#define SCU_TASK_DONE_INV_FIS_TYPE                          ((u32)0x1D)
+#define SCU_TASK_DONE_XR_IU_LEN_ERR                         ((u32)0x1D)
+#define SCU_TASK_DONE_INV_FIS_LEN                           ((u32)0x1E)
+#define SCU_TASK_DONE_XR_WD_LEN                             ((u32)0x1E)
+#define SCU_TASK_DONE_SDMA_ERR                              ((u32)0x1F)
+#define SCU_TASK_DONE_OFFSET_ERR                            ((u32)0x20)
+#define SCU_TASK_DONE_MAX_PLD_ERR                           ((u32)0x21)
+#define SCU_TASK_DONE_EXCESS_DATA                           ((u32)0x22)
+#define SCU_TASK_DONE_LF_ERR                                ((u32)0x23)
+#define SCU_TASK_DONE_UNEXP_FIS                             ((u32)0x24)
+#define SCU_TASK_DONE_UNEXP_RESP                            ((u32)0x24)
+#define SCU_TASK_DONE_EARLY_RESP                            ((u32)0x25)
+#define SCU_TASK_DONE_SMP_RESP_TO_ERR                       ((u32)0x26)
+#define SCU_TASK_DONE_DMASETUP_DIRERR                       ((u32)0x27)
+#define SCU_TASK_DONE_SMP_UFI_ERR                           ((u32)0x27)
+#define SCU_TASK_DONE_XFERCNT_ERR                           ((u32)0x28)
+#define SCU_TASK_DONE_SMP_FRM_TYPE_ERR                      ((u32)0x28)
+#define SCU_TASK_DONE_SMP_LL_RX_ERR                         ((u32)0x29)
+#define SCU_TASK_DONE_RESP_LEN_ERR                          ((u32)0x2A)
+#define SCU_TASK_DONE_UNEXP_DATA                            ((u32)0x2B)
+#define SCU_TASK_DONE_OPEN_FAIL                             ((u32)0x2C)
+#define SCU_TASK_DONE_UNEXP_SDBFIS                          ((u32)0x2D)
+#define SCU_TASK_DONE_REG_ERR                               ((u32)0x2E)
+#define SCU_TASK_DONE_SDB_ERR                               ((u32)0x2F)
+#define SCU_TASK_DONE_TASK_ABORT                            ((u32)0x30)
+#define SCU_TASK_DONE_CMD_SDMA_ERR                          ((U32)0x32)
+#define SCU_TASK_DONE_CMD_LL_ABORT_ERR                      ((U32)0x33)
+#define SCU_TASK_OPEN_REJECT_WRONG_DESTINATION              ((u32)0x34)
+#define SCU_TASK_OPEN_REJECT_RESERVED_ABANDON_1             ((u32)0x35)
+#define SCU_TASK_OPEN_REJECT_RESERVED_ABANDON_2             ((u32)0x36)
+#define SCU_TASK_OPEN_REJECT_RESERVED_ABANDON_3             ((u32)0x37)
+#define SCU_TASK_OPEN_REJECT_BAD_DESTINATION                ((u32)0x38)
+#define SCU_TASK_OPEN_REJECT_ZONE_VIOLATION                 ((u32)0x39)
+#define SCU_TASK_DONE_VIIT_ENTRY_NV                         ((u32)0x3A)
+#define SCU_TASK_DONE_IIT_ENTRY_NV                          ((u32)0x3B)
+#define SCU_TASK_DONE_RNCNV_OUTBOUND                        ((u32)0x3C)
+#define SCU_TASK_OPEN_REJECT_STP_RESOURCES_BUSY             ((u32)0x3D)
+#define SCU_TASK_OPEN_REJECT_PROTOCOL_NOT_SUPPORTED         ((u32)0x3E)
+#define SCU_TASK_OPEN_REJECT_CONNECTION_RATE_NOT_SUPPORTED  ((u32)0x3F)
+
+#endif /* _SCU_COMPLETION_CODES_HEADER_ */