drivers/crypto/qat/qat_common/adf_transport_internal.h

   1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0-only) */
   2 /* Copyright(c) 2014 - 2020 Intel Corporation */
   3 #ifndef ADF_TRANSPORT_INTRN_H
   4 #define ADF_TRANSPORT_INTRN_H
   5
   6 #include <linux/interrupt.h>
   7 #include <linux/spinlock_types.h>
   8 #include "adf_transport.h"
   9
  10 struct adf_etr_ring_debug_entry {
  11         char ring_name[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
  12         struct dentry *debug;
  13 };
  14
  15 struct adf_etr_ring_data {
  16         void *base_addr;
  17         atomic_t *inflights;
  18         adf_callback_fn callback;
  19         struct adf_etr_bank_data *bank;
  20         dma_addr_t dma_addr;
  21         struct adf_etr_ring_debug_entry *ring_debug;
  22         spinlock_t lock;        /* protects ring data struct */
  23         u16 head;
  24         u16 tail;
  25         u8 ring_number;
  26         u8 ring_size;
  27         u8 msg_size;
  28 };
  29
  30 struct adf_etr_bank_data {
  31         struct adf_etr_ring_data *rings;
  32         struct tasklet_struct resp_handler;
  33         void __iomem *csr_addr;
  34         u32 irq_coalesc_timer;
  35         u32 bank_number;
  36         u16 ring_mask;
  37         u16 irq_mask;
  38         spinlock_t lock;        /* protects bank data struct */
  39         struct adf_accel_dev *accel_dev;
  40         struct dentry *bank_debug_dir;
  41         struct dentry *bank_debug_cfg;
  42 };
  43
  44 struct adf_etr_data {
  45         struct adf_etr_bank_data *banks;
  46         struct dentry *debug;
  47 };
  48
  49 void adf_response_handler(uintptr_t bank_addr);
  50 #ifdef CONFIG_DEBUG_FS
  51 #include <linux/debugfs.h>
  52 int adf_bank_debugfs_add(struct adf_etr_bank_data *bank);
  53 void adf_bank_debugfs_rm(struct adf_etr_bank_data *bank);
  54 int adf_ring_debugfs_add(struct adf_etr_ring_data *ring, const char *name);
  55 void adf_ring_debugfs_rm(struct adf_etr_ring_data *ring);
  56 #else
  57 static inline int adf_bank_debugfs_add(struct adf_etr_bank_data *bank)
  58 {
  59         return 0;
  60 }
  61
  62 #define adf_bank_debugfs_rm(bank) do {} while (0)
  63
  64 static inline int adf_ring_debugfs_add(struct adf_etr_ring_data *ring,
  65                                        const char *name)
  66 {
  67         return 0;
  68 }
  69
  70 #define adf_ring_debugfs_rm(ring) do {} while (0)
  71 #endif
  72 #endif