ceph/src/seastar/dpdk/drivers/raw/skeleton_rawdev/skeleton_rawdev.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright 2017 NXP
   3  */
   4
   5 #ifndef __SKELETON_RAWDEV_H__
   6 #define __SKELETON_RAWDEV_H__
   7
   8 #include <rte_rawdev.h>
   9
  10 extern int skeleton_pmd_logtype;
  11
  12 #define SKELETON_PMD_LOG(level, fmt, args...) \
  13         rte_log(RTE_LOG_ ## level, skeleton_pmd_logtype, "%s(): " fmt "\n", \
  14                 __func__, ##args)
  15
  16 #define SKELETON_PMD_FUNC_TRACE() SKELETON_PMD_LOG(DEBUG, ">>")
  17
  18 #define SKELETON_PMD_DEBUG(fmt, args...) \
  19         SKELETON_PMD_LOG(DEBUG, fmt, ## args)
  20 #define SKELETON_PMD_INFO(fmt, args...) \
  21         SKELETON_PMD_LOG(INFO, fmt, ## args)
  22 #define SKELETON_PMD_ERR(fmt, args...) \
  23         SKELETON_PMD_LOG(ERR, fmt, ## args)
  24 #define SKELETON_PMD_WARN(fmt, args...) \
  25         SKELETON_PMD_LOG(WARNING, fmt, ## args)
  26 /* Macros for self test application */
  27 #define SKELETON_TEST_INFO      SKELETON_PMD_INFO
  28 #define SKELETON_TEST_DEBUG     SKELETON_PMD_DEBUG
  29 #define SKELETON_TEST_ERR       SKELETON_PMD_ERR
  30 #define SKELETON_TEST_WARN      SKELETON_PMD_WARN
  31
  32 #define SKELETON_SELFTEST_ARG   ("selftest")
  33
  34 #define SKELETON_VENDOR_ID 0x10
  35 #define SKELETON_DEVICE_ID 0x01
  36
  37 #define SKELETON_MAJOR_VER 1
  38 #define SKELETON_MINOR_VER 0
  39 #define SKELETON_SUB_VER   0
  40
  41 #define SKELETON_MAX_QUEUES 1
  42
  43 enum skeleton_firmware_state {
  44         SKELETON_FW_READY,
  45         SKELETON_FW_LOADED,
  46         SKELETON_FW_ERROR
  47 };
  48
  49 enum skeleton_device_state {
  50         SKELETON_DEV_RUNNING,
  51         SKELETON_DEV_STOPPED
  52 };
  53
  54 enum skeleton_queue_state {
  55         SKELETON_QUEUE_DETACH,
  56         SKELETON_QUEUE_ATTACH
  57 };
  58
  59 #define SKELETON_QUEUE_DEF_DEPTH 10
  60 #define SKELETON_QUEUE_MAX_DEPTH 25
  61
  62 struct skeleton_firmware_version_info {
  63         uint8_t major;
  64         uint8_t minor;
  65         uint8_t subrel;
  66 };
  67
  68 struct skeleton_firmware {
  69         /**< Device firmware information */
  70         struct skeleton_firmware_version_info firmware_version;
  71         /**< Device state */
  72         enum skeleton_firmware_state firmware_state;
  73
  74 };
  75
  76 #define SKELETON_MAX_ATTRIBUTES 10
  77 #define SKELETON_ATTRIBUTE_NAME_MAX 20
  78
  79 struct skeleton_rawdev_attributes {
  80         /**< Name of the attribute */
  81         char *name;
  82         /**< Value or reference of value of attribute */
  83         uint64_t value;
  84 };
  85
  86 /**< Device supports firmware loading/unloading */
  87 #define SKELETON_CAPA_FW_LOAD   0x0001
  88 /**< Device supports firmware reset */
  89 #define SKELETON_CAPA_FW_RESET  0x0002
  90 /**< Device support queue based communication */
  91 #define SKELETON_CAPA_QUEUES    0x0004
  92 /**< Default Capabilities: FW_LOAD, FW_RESET, QUEUES */
  93 #define SKELETON_DEFAULT_CAPA   0x7
  94
  95 struct skeleton_rawdev_queue {
  96         uint8_t state;
  97         uint32_t depth;
  98 };
  99
 100 struct skeleton_rawdev {
 101         uint16_t device_id;
 102         uint16_t vendor_id;
 103         uint16_t num_queues;
 104         /**< One of SKELETON_CAPA_* */
 105         uint16_t capabilities;
 106         /**< State of device; linked to firmware state */
 107         enum skeleton_device_state device_state;
 108         /**< Firmware configuration */
 109         struct skeleton_firmware fw;
 110         /**< Collection of all communication channels - which can be referred
 111          *  to as queues.
 112          */
 113         struct skeleton_rawdev_queue queues[SKELETON_MAX_QUEUES];
 114         /**< Global table containing various pre-defined and user-defined
 115          * attributes.
 116          */
 117         struct skeleton_rawdev_attributes attr[SKELETON_MAX_ATTRIBUTES];
 118         struct rte_device *device;
 119 };
 120
 121 struct skeleton_rawdev_conf {
 122         uint16_t num_queues;
 123         unsigned int capabilities;
 124         enum skeleton_device_state device_state;
 125         enum skeleton_firmware_state firmware_state;
 126 };
 127
 128 static inline struct skeleton_rawdev *
 129 skeleton_rawdev_get_priv(const struct rte_rawdev *rawdev)
 130 {
 131         return rawdev->dev_private;
 132 }
 133
 134 int test_rawdev_skeldev(void);
 135
 136 #endif /* __SKELETON_RAWDEV_H__ */