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cn23xx_pf_device.c
(28.43 KB)
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cn23xx_pf_device.h
(2.59 KB)
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cn23xx_pf_regs.h
(14.49 KB)
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lio_common.h
(19.42 KB)
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lio_config.h
(12.48 KB)
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lio_console.c
(25.28 KB)
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lio_ctrl.c
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lio_ctrl.h
(7.04 KB)
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lio_device.c
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lio_device.h
(23.51 KB)
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lio_droq.c
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lio_droq.h
(13.24 KB)
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lio_image.h
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lio_iq.h
(9.75 KB)
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lio_mem_ops.c
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lio_mem_ops.h
(3.24 KB)
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lio_request_manager.c
(22.08 KB)
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lio_response_manager.c
(6.25 KB)
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lio_response_manager.h
(5.67 KB)
Editing: lio_response_manager.h
/* * BSD LICENSE * * Copyright(c) 2017 Cavium, Inc.. 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 Cavium, Inc. 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(S) 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. */ /*$FreeBSD$*/ /* * ! \file lio_response_manager.h * \brief Host Driver: Response queues for host instructions. */ #ifndef __LIO_RESPONSE_MANAGER_H__ #define __LIO_RESPONSE_MANAGER_H__ /* * Maximum ordered requests to process in every invocation of * lio_process_ordered_list(). The function will continue to process requests * as long as it can find one that has finished processing. If it keeps * finding requests that have completed, the function can run for ever. The * value defined here sets an upper limit on the number of requests it can * process before it returns control to the poll thread. */ #define LIO_MAX_ORD_REQS_TO_PROCESS 4096 /* * Head of a response list. There are several response lists in the * system. One for each response order- Unordered, ordered * and 1 for noresponse entries on each instruction queue. */ struct lio_response_list { /* List structure to add delete pending entries to */ struct lio_stailq_head head; /* A lock for this response list */ struct mtx lock; volatile int pending_req_count; }; /* The type of response list. */ enum { LIO_ORDERED_LIST = 0, LIO_UNORDERED_NONBLOCKING_LIST = 1, LIO_UNORDERED_BLOCKING_LIST = 2, LIO_ORDERED_SC_LIST = 3 }; /* * Error codes used in Octeon Host-Core communication. * * 31 16 15 0 * --------------------------------- * | | | * --------------------------------- * Error codes are 32-bit wide. The upper 16-bits, called Major Error Number, * are reserved to identify the group to which the error code belongs. The * lower 16-bits, called Minor Error Number, carry the actual code. * * So error codes are (MAJOR NUMBER << 16)| MINOR_NUMBER. */ /*------ Error codes used by firmware (bits 15..0 set by firmware */ #define LIO_FW_MAJOR_ERROR_CODE 0x0001 /* A value of 0x00000000 indicates no error i.e. success */ #define LIO_DRIVER_ERROR_NONE 0x00000000 #define LIO_DRIVER_ERROR_REQ_PENDING 0x00000001 #define LIO_DRIVER_ERROR_REQ_TIMEOUT 0x00000003 #define LIO_DRIVER_ERROR_REQ_EINTR 0x00000004 /* * Status for a request. * If a request is not queued to Octeon by the driver, the driver returns * an error condition that's describe by one of the OCTEON_REQ_ERR_* value * below. If the request is successfully queued, the driver will return * a LIO_REQUEST_PENDING status. LIO_REQUEST_TIMEOUT and * LIO_REQUEST_INTERRUPTED are only returned by the driver if the * response for request failed to arrive before a time-out period or if * the request processing * got interrupted due to a signal respectively. */ enum { LIO_REQUEST_DONE = (LIO_DRIVER_ERROR_NONE), LIO_REQUEST_PENDING = (LIO_DRIVER_ERROR_REQ_PENDING), LIO_REQUEST_TIMEOUT = (LIO_DRIVER_ERROR_REQ_TIMEOUT), LIO_REQUEST_INTERRUPTED = (LIO_DRIVER_ERROR_REQ_EINTR), LIO_REQUEST_NO_DEVICE = (0x00000021), LIO_REQUEST_NOT_RUNNING, LIO_REQUEST_INVALID_IQ, LIO_REQUEST_INVALID_BUFCNT, LIO_REQUEST_INVALID_RESP_ORDER, LIO_REQUEST_NO_MEMORY, LIO_REQUEST_INVALID_BUFSIZE, LIO_REQUEST_NO_PENDING_ENTRY, LIO_REQUEST_NO_IQ_SPACE = (0x7FFFFFFF) }; #define LIO_STAILQ_FIRST_ENTRY(ptr, type, elem) \ (type *)((char *)((ptr)->stqh_first) - offsetof(type, elem)) #define LIO_FW_STATUS_CODE(status) \ ((LIO_FW_MAJOR_ERROR_CODE << 16) | (status)) /* * Initialize the response lists. The number of response lists to create is * given by count. * @param octeon_dev - the octeon device structure. */ int lio_setup_response_list(struct octeon_device *octeon_dev); void lio_delete_response_list(struct octeon_device *octeon_dev); /* * Check the status of first entry in the ordered list. If the instruction at * that entry finished processing or has timed-out, the entry is cleaned. * @param octeon_dev - the octeon device structure. * @param force_quit - the request is forced to timeout if this is 1 * @return 1 if the ordered list is empty, 0 otherwise. */ int lio_process_ordered_list(struct octeon_device *octeon_dev, uint32_t force_quit); #endif /* __LIO_RESPONSE_MANAGER_H__ */
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