drivers/net/qede/base/ecore_int.h

   1 /*
   2  * Copyright (c) 2016 QLogic Corporation.
   3  * All rights reserved.
   4  * www.qlogic.com
   5  *
   6  * See LICENSE.qede_pmd for copyright and licensing details.
   7  */
   8
   9 #ifndef __ECORE_INT_H__
  10 #define __ECORE_INT_H__
  11
  12 #include "ecore.h"
  13 #include "ecore_int_api.h"
  14
  15 #define ECORE_CAU_DEF_RX_TIMER_RES 0
  16 #define ECORE_CAU_DEF_TX_TIMER_RES 0
  17
  18 #define ECORE_SB_ATT_IDX        0x0001
  19 #define ECORE_SB_EVENT_MASK     0x0003
  20
  21 #define SB_ALIGNED_SIZE(p_hwfn)                                 \
  22         ALIGNED_TYPE_SIZE(struct status_block, p_hwfn)
  23
  24 struct ecore_igu_block {
  25         u8 status;
  26 #define ECORE_IGU_STATUS_FREE   0x01
  27 #define ECORE_IGU_STATUS_VALID  0x02
  28 #define ECORE_IGU_STATUS_PF     0x04
  29
  30         u8 vector_number;
  31         u8 function_id;
  32         u8 is_pf;
  33 };
  34
  35 struct ecore_igu_map {
  36         struct ecore_igu_block igu_blocks[MAX_TOT_SB_PER_PATH];
  37 };
  38
  39 struct ecore_igu_info {
  40         struct ecore_igu_map igu_map;
  41         u16 igu_dsb_id;
  42         u16 igu_base_sb;
  43         u16 igu_base_sb_iov;
  44         u16 igu_sb_cnt;
  45         u16 igu_sb_cnt_iov;
  46         u16 free_blks;
  47 };
  48
  49 /* TODO Names of function may change... */
  50 void ecore_int_igu_init_pure_rt(struct ecore_hwfn *p_hwfn,
  51                                 struct ecore_ptt *p_ptt,
  52                                 bool b_set, bool b_slowpath);
  53
  54 void ecore_int_igu_init_rt(struct ecore_hwfn *p_hwfn);
  55
  56 /**
  57  * @brief ecore_int_igu_read_cam - Reads the IGU CAM.
  58  *      This function needs to be called during hardware
  59  *      prepare. It reads the info from igu cam to know which
  60  *      status block is the default / base status block etc.
  61  *
  62  * @param p_hwfn
  63  * @param p_ptt
  64  *
  65  * @return enum _ecore_status_t
  66  */
  67 enum _ecore_status_t ecore_int_igu_read_cam(struct ecore_hwfn *p_hwfn,
  68                                             struct ecore_ptt *p_ptt);
  69
  70 typedef enum _ecore_status_t (*ecore_int_comp_cb_t) (struct ecore_hwfn *p_hwfn,
  71                                                      void *cookie);
  72 /**
  73  * @brief ecore_int_register_cb - Register callback func for
  74  *      slowhwfn statusblock.
  75  *
  76  *      Every protocol that uses the slowhwfn status block
  77  *      should register a callback function that will be called
  78  *      once there is an update of the sp status block.
  79  *
  80  * @param p_hwfn
  81  * @param comp_cb - function to be called when there is an
  82  *                  interrupt on the sp sb
  83  *
  84  * @param cookie  - passed to the callback function
  85  * @param sb_idx  - OUT parameter which gives the chosen index
  86  *                  for this protocol.
  87  * @param p_fw_cons  - pointer to the actual address of the
  88  *                     consumer for this protocol.
  89  *
  90  * @return enum _ecore_status_t
  91  */
  92 enum _ecore_status_t ecore_int_register_cb(struct ecore_hwfn *p_hwfn,
  93                                            ecore_int_comp_cb_t comp_cb,
  94                                            void *cookie,
  95                                            u8 *sb_idx, __le16 **p_fw_cons);
  96 /**
  97  * @brief ecore_int_unregister_cb - Unregisters callback
  98  *      function from sp sb.
  99  *      Partner of ecore_int_register_cb -> should be called
 100  *      when no longer required.
 101  *
 102  * @param p_hwfn
 103  * @param pi
 104  *
 105  * @return enum _ecore_status_t
 106  */
 107 enum _ecore_status_t ecore_int_unregister_cb(struct ecore_hwfn *p_hwfn, u8 pi);
 108
 109 /**
 110  * @brief ecore_int_get_sp_sb_id - Get the slowhwfn sb id.
 111  *
 112  * @param p_hwfn
 113  *
 114  * @return u16
 115  */
 116 u16 ecore_int_get_sp_sb_id(struct ecore_hwfn *p_hwfn);
 117
 118 /**
 119  * @brief Status block cleanup. Should be called for each status
 120  *        block that will be used -> both PF / VF
 121  *
 122  * @param p_hwfn
 123  * @param p_ptt
 124  * @param sb_id         - igu status block id
 125  * @param opaque        - opaque fid of the sb owner.
 126  * @param cleanup_set   - set(1) / clear(0)
 127  */
 128 void ecore_int_igu_init_pure_rt_single(struct ecore_hwfn *p_hwfn,
 129                                        struct ecore_ptt *p_ptt,
 130                                        u32 sb_id, u16 opaque, bool b_set);
 131
 132 /**
 133  * @brief ecore_int_cau_conf - configure cau for a given status
 134  *        block
 135  *
 136  * @param p_hwfn
 137  * @param ptt
 138  * @param sb_phys
 139  * @param igu_sb_id
 140  * @param vf_number
 141  * @param vf_valid
 142  */
 143 void ecore_int_cau_conf_sb(struct ecore_hwfn *p_hwfn,
 144                            struct ecore_ptt *p_ptt,
 145                            dma_addr_t sb_phys,
 146                            u16 igu_sb_id, u16 vf_number, u8 vf_valid);
 147
 148 /**
 149 * @brief ecore_int_alloc
 150 *
 151 * @param p_hwfn
 152  * @param p_ptt
 153 *
 154 * @return enum _ecore_status_t
 155 */
 156 enum _ecore_status_t ecore_int_alloc(struct ecore_hwfn  *p_hwfn,
 157                                      struct ecore_ptt   *p_ptt);
 158
 159 /**
 160 * @brief ecore_int_free
 161 *
 162 * @param p_hwfn
 163 */
 164 void ecore_int_free(struct ecore_hwfn *p_hwfn);
 165
 166 /**
 167 * @brief ecore_int_setup
 168 *
 169 * @param p_hwfn
 170 * @param p_ptt
 171 */
 172 void ecore_int_setup(struct ecore_hwfn *p_hwfn, struct ecore_ptt *p_ptt);
 173
 174 /**
 175  * @brief - Enable Interrupt & Attention for hw function
 176  *
 177  * @param p_hwfn
 178  * @param p_ptt
 179  * @param int_mode
 180  *
 181 * @return enum _ecore_status_t
 182  */
 183 enum _ecore_status_t ecore_int_igu_enable(struct ecore_hwfn *p_hwfn,
 184                                           struct ecore_ptt *p_ptt,
 185                                           enum ecore_int_mode int_mode);
 186
 187 /**
 188  * @brief - Initialize CAU status block entry
 189  *
 190  * @param p_hwfn
 191  * @param p_sb_entry
 192  * @param pf_id
 193  * @param vf_number
 194  * @param vf_valid
 195  */
 196 void ecore_init_cau_sb_entry(struct ecore_hwfn *p_hwfn,
 197                              struct cau_sb_entry *p_sb_entry, u8 pf_id,
 198                              u16 vf_number, u8 vf_valid);
 199
 200 enum _ecore_status_t ecore_int_set_timer_res(struct ecore_hwfn *p_hwfn,
 201                                              struct ecore_ptt *p_ptt,
 202                                              u8 timer_res, u16 sb_id, bool tx);
 203 #ifndef ASIC_ONLY
 204 #define ECORE_MAPPING_MEMORY_SIZE(dev) \
 205         ((CHIP_REV_IS_SLOW(dev) && (!(dev)->b_is_emul_full)) ? \
 206          136 : NUM_OF_SBS(dev))
 207 #else
 208 #define ECORE_MAPPING_MEMORY_SIZE(dev) NUM_OF_SBS(dev)
 209 #endif
 210
 211 #endif /* __ECORE_INT_H__ */