Release 4.7 drivers/scsi/isci/scu_completion_codes.h
/*
* 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,
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* (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_TX_RAW_CMD_ERR ((u32)0x08)
#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_BREAK_RCVD ((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_ */
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