LXR linux/drivers/net/wireless/quantenna/qtnfmac/pearl/pcie_bus

   1/*
   2 * Copyright (c) 2015-2016 Quantenna Communications, Inc.
   3 * All rights reserved.
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License
   7 * as published by the Free Software Foundation; either version 2
   8 * of the License, or (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 */
  16
  17#ifndef _QTN_FMAC_PCIE_H_
  18#define _QTN_FMAC_PCIE_H_
  19
  20#include <linux/dma-mapping.h>
  21#include <linux/io.h>
  22
  23#include "pcie_regs_pearl.h"
  24#include "pcie_ipc.h"
  25#include "shm_ipc.h"
  26
  27struct bus;
  28
  29struct qtnf_pcie_bus_priv {
  30        struct pci_dev  *pdev;
  31
  32        /* lock for irq configuration changes */
  33        spinlock_t irq_lock;
  34
  35        /* lock for tx reclaim operations */
  36        spinlock_t tx_reclaim_lock;
  37        /* lock for tx0 operations */
  38        spinlock_t tx0_lock;
  39        u8 msi_enabled;
  40        u8 tx_stopped;
  41        int mps;
  42
  43        struct workqueue_struct *workqueue;
  44        struct tasklet_struct reclaim_tq;
  45
  46        void __iomem *sysctl_bar;
  47        void __iomem *epmem_bar;
  48        void __iomem *dmareg_bar;
  49
  50        struct qtnf_shm_ipc shm_ipc_ep_in;
  51        struct qtnf_shm_ipc shm_ipc_ep_out;
  52
  53        struct qtnf_pcie_bda __iomem *bda;
  54        void __iomem *pcie_reg_base;
  55
  56        u16 tx_bd_num;
  57        u16 rx_bd_num;
  58
  59        struct sk_buff **tx_skb;
  60        struct sk_buff **rx_skb;
  61
  62        struct qtnf_tx_bd *tx_bd_vbase;
  63        dma_addr_t tx_bd_pbase;
  64
  65        struct qtnf_rx_bd *rx_bd_vbase;
  66        dma_addr_t rx_bd_pbase;
  67
  68        dma_addr_t bd_table_paddr;
  69        void *bd_table_vaddr;
  70        u32 bd_table_len;
  71
  72        u32 rx_bd_w_index;
  73        u32 rx_bd_r_index;
  74
  75        u32 tx_bd_w_index;
  76        u32 tx_bd_r_index;
  77
  78        u32 pcie_irq_mask;
  79
  80        /* diagnostics stats */
  81        u32 pcie_irq_count;
  82        u32 pcie_irq_rx_count;
  83        u32 pcie_irq_tx_count;
  84        u32 pcie_irq_uf_count;
  85        u32 tx_full_count;
  86        u32 tx_done_count;
  87        u32 tx_reclaim_done;
  88        u32 tx_reclaim_req;
  89};
  90
  91#endif /* _QTN_FMAC_PCIE_H_ */
  92