4 * Copyright(c) 2017 Cavium, Inc.. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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12 * notice, this list of conditions and the following disclaimer.
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15 * the documentation and/or other materials provided with the
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18 * contributors may be used to endorse or promote products derived
19 * from this software without specific prior written permission.
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22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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34 #ifndef _LIO_STRUCT_H_
35 #define _LIO_STRUCT_H_
39 #include <sys/queue.h>
41 #include <rte_spinlock.h>
42 #include <rte_atomic.h>
44 #include "lio_hw_defs.h"
48 int (*setup_device_regs)(struct lio_device *);
51 struct lio_sriov_info {
52 /** Number of rings assigned to VF */
53 uint32_t rings_per_vf;
55 /** Number of VF devices enabled */
59 /* Structure to define the configuration attributes for each Input queue. */
60 struct lio_iq_config {
61 /* Max number of IQs available */
64 /** Pending list size (usually set to the sum of the size of all Input
67 uint32_t pending_list_size;
69 /** Command size - 32 or 64 bytes */
73 /* Structure to define the configuration attributes for each Output queue. */
74 struct lio_oq_config {
75 /* Max number of OQs available */
78 /** If set, the Output queue uses info-pointer mode. (Default: 1 ) */
81 /** The number of buffers that were consumed during packet processing by
82 * the driver on this Output queue before the driver attempts to
83 * replenish the descriptor ring with new buffers.
85 uint32_t refill_threshold;
88 /* Structure to define the configuration. */
91 const char *card_name;
93 /** Input Queue attributes. */
94 struct lio_iq_config iq;
96 /** Output Queue attributes. */
97 struct lio_oq_config oq;
101 int num_def_tx_descs;
103 /* Num of desc for rx rings */
104 int num_def_rx_descs;
109 /* ----------------------- THE LIO DEVICE --------------------------- */
111 * Each lio device has this structure to represent all its
115 /** PCI device pointer */
116 struct rte_pci_device *pci_dev;
118 /** Octeon Chip type */
125 struct lio_fn_list fn_list;
127 struct lio_sriov_info sriov_info;
129 /** Mail Box details of each lio queue. */
130 struct lio_mbox **mbox;
132 char dev_string[LIO_DEVICE_NAME_LEN]; /* Device print string */
134 const struct lio_config *default_config;
136 struct rte_eth_dev *eth_dev;
138 uint8_t max_rx_queues;
139 uint8_t max_tx_queues;
140 uint8_t nb_rx_queues;
141 uint8_t nb_tx_queues;
142 uint8_t port_configured;
145 #endif /* _LIO_STRUCT_H_ */