Commit 91dcecec authored by Igor Mitsyanko's avatar Igor Mitsyanko Committed by Kalle Valo
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qtnfmac_pcie: rename private Pearl PCIe state structure 



In preparation to extract common pcie driver state into a separate
structure, rename Pearl-specific state to qtnf_pcie_pearl_state and move
it directly to pearl-specific PCIe source file.

Signed-off-by: default avatarIgor Mitsyanko <igor.mitsyanko.os@quantenna.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 2ef0ecd7

drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c

+111 −47
Original line number Diff line number Diff line
@@ -28,10 +28,12 @@ 
#include <linux/circ_buf.h>

#include <linux/log2.h>



#include "pearl_pcie_regs.h"

#include "pearl_pcie_ipc.h"

#include "qtn_hw_ids.h"

#include "pearl_pcie_bus_priv.h"

#include "core.h"

#include "bus.h"

#include "shm_ipc.h"

#include "debug.h"



static bool use_msi = true;
@@ -52,6 +54,68 @@ MODULE_PARM_DESC(flashboot, "set to 0 to use FW binary file on FS"); 


#define DRV_NAME	"qtnfmac_pearl_pcie"



struct qtnf_pcie_pearl_state {

	struct pci_dev  *pdev;



	/* lock for irq configuration changes */

	spinlock_t irq_lock;



	/* lock for tx reclaim operations */

	spinlock_t tx_reclaim_lock;

	/* lock for tx0 operations */

	spinlock_t tx0_lock;

	u8 msi_enabled;

	u8 tx_stopped;

	int mps;



	struct workqueue_struct *workqueue;

	struct tasklet_struct reclaim_tq;



	void __iomem *sysctl_bar;

	void __iomem *epmem_bar;

	void __iomem *dmareg_bar;



	struct qtnf_shm_ipc shm_ipc_ep_in;

	struct qtnf_shm_ipc shm_ipc_ep_out;



	struct qtnf_pcie_bda __iomem *bda;

	void __iomem *pcie_reg_base;



	u16 tx_bd_num;

	u16 rx_bd_num;



	struct sk_buff **tx_skb;

	struct sk_buff **rx_skb;



	struct qtnf_tx_bd *tx_bd_vbase;

	dma_addr_t tx_bd_pbase;



	struct qtnf_rx_bd *rx_bd_vbase;

	dma_addr_t rx_bd_pbase;



	dma_addr_t bd_table_paddr;

	void *bd_table_vaddr;

	u32 bd_table_len;



	u32 rx_bd_w_index;

	u32 rx_bd_r_index;



	u32 tx_bd_w_index;

	u32 tx_bd_r_index;



	u32 pcie_irq_mask;



	/* diagnostics stats */

	u32 pcie_irq_count;

	u32 pcie_irq_rx_count;

	u32 pcie_irq_tx_count;

	u32 pcie_irq_uf_count;

	u32 tx_full_count;

	u32 tx_done_count;

	u32 tx_reclaim_done;

	u32 tx_reclaim_req;

};



static inline void qtnf_non_posted_write(u32 val, void __iomem *basereg)

{

	writel(val, basereg);
@@ -60,7 +124,7 @@ static inline void qtnf_non_posted_write(u32 val, void __iomem *basereg) 
	readl(basereg);

}



static inline void qtnf_init_hdp_irqs(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_init_hdp_irqs(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -69,7 +133,7 @@ static inline void qtnf_init_hdp_irqs(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static inline void qtnf_enable_hdp_irqs(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_enable_hdp_irqs(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -78,7 +142,7 @@ static inline void qtnf_enable_hdp_irqs(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static inline void qtnf_disable_hdp_irqs(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_disable_hdp_irqs(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -87,7 +151,7 @@ static inline void qtnf_disable_hdp_irqs(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static inline void qtnf_en_rxdone_irq(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_en_rxdone_irq(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -97,7 +161,7 @@ static inline void qtnf_en_rxdone_irq(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static inline void qtnf_dis_rxdone_irq(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_dis_rxdone_irq(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -107,7 +171,7 @@ static inline void qtnf_dis_rxdone_irq(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static inline void qtnf_en_txdone_irq(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_en_txdone_irq(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -117,7 +181,7 @@ static inline void qtnf_en_txdone_irq(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static inline void qtnf_dis_txdone_irq(struct qtnf_pcie_bus_priv *priv)

static inline void qtnf_dis_txdone_irq(struct qtnf_pcie_pearl_state *priv)

{

	unsigned long flags;
@@ -127,7 +191,7 @@ static inline void qtnf_dis_txdone_irq(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->irq_lock, flags);

}



static void qtnf_pcie_init_irq(struct qtnf_pcie_bus_priv *priv)

static void qtnf_pcie_init_irq(struct qtnf_pcie_pearl_state *priv)

{

	struct pci_dev *pdev = priv->pdev;
@@ -150,7 +214,7 @@ static void qtnf_pcie_init_irq(struct qtnf_pcie_bus_priv *priv) 
	}

}



static void qtnf_deassert_intx(struct qtnf_pcie_bus_priv *priv)

static void qtnf_deassert_intx(struct qtnf_pcie_pearl_state *priv)

{

	void __iomem *reg = priv->sysctl_bar + PEARL_PCIE_CFG0_OFFSET;

	u32 cfg;
@@ -160,7 +224,7 @@ static void qtnf_deassert_intx(struct qtnf_pcie_bus_priv *priv) 
	qtnf_non_posted_write(cfg, reg);

}



static void qtnf_reset_card(struct qtnf_pcie_bus_priv *priv)

static void qtnf_reset_card(struct qtnf_pcie_pearl_state *priv)

{

	const u32 data = QTN_PEARL_IPC_IRQ_WORD(QTN_PEARL_LHOST_EP_RESET);

	void __iomem *reg = priv->sysctl_bar +
@@ -173,7 +237,7 @@ static void qtnf_reset_card(struct qtnf_pcie_bus_priv *priv) 


static void qtnf_ipc_gen_ep_int(void *arg)

{

	const struct qtnf_pcie_bus_priv *priv = arg;

	const struct qtnf_pcie_pearl_state *priv = arg;

	const u32 data = QTN_PEARL_IPC_IRQ_WORD(QTN_PEARL_LHOST_IPC_IRQ);

	void __iomem *reg = priv->sysctl_bar +

			    QTN_PEARL_SYSCTL_LHOST_IRQ_OFFSET;
@@ -181,7 +245,7 @@ static void qtnf_ipc_gen_ep_int(void *arg) 
	qtnf_non_posted_write(data, reg);

}



static void __iomem *qtnf_map_bar(struct qtnf_pcie_bus_priv *priv, u8 index)

static void __iomem *qtnf_map_bar(struct qtnf_pcie_pearl_state *priv, u8 index)

{

	void __iomem *vaddr;

	dma_addr_t busaddr;
@@ -206,7 +270,7 @@ static void __iomem *qtnf_map_bar(struct qtnf_pcie_bus_priv *priv, u8 index) 


static void qtnf_pcie_control_rx_callback(void *arg, const u8 *buf, size_t len)

{

	struct qtnf_pcie_bus_priv *priv = arg;

	struct qtnf_pcie_pearl_state *priv = arg;

	struct qtnf_bus *bus = pci_get_drvdata(priv->pdev);

	struct sk_buff *skb;
@@ -227,7 +291,7 @@ static void qtnf_pcie_control_rx_callback(void *arg, const u8 *buf, size_t len) 
	qtnf_trans_handle_rx_ctl_packet(bus, skb);

}



static int qtnf_pcie_init_shm_ipc(struct qtnf_pcie_bus_priv *priv)

static int qtnf_pcie_init_shm_ipc(struct qtnf_pcie_pearl_state *priv)

{

	struct qtnf_shm_ipc_region __iomem *ipc_tx_reg;

	struct qtnf_shm_ipc_region __iomem *ipc_rx_reg;
@@ -248,13 +312,13 @@ static int qtnf_pcie_init_shm_ipc(struct qtnf_pcie_bus_priv *priv) 
	return 0;

}



static void qtnf_pcie_free_shm_ipc(struct qtnf_pcie_bus_priv *priv)

static void qtnf_pcie_free_shm_ipc(struct qtnf_pcie_pearl_state *priv)

{

	qtnf_shm_ipc_free(&priv->shm_ipc_ep_in);

	qtnf_shm_ipc_free(&priv->shm_ipc_ep_out);

}



static int qtnf_pcie_init_memory(struct qtnf_pcie_bus_priv *priv)

static int qtnf_pcie_init_memory(struct qtnf_pcie_pearl_state *priv)

{

	int ret = -ENOMEM;
@@ -283,7 +347,7 @@ static int qtnf_pcie_init_memory(struct qtnf_pcie_bus_priv *priv) 
	return 0;

}



static void qtnf_tune_pcie_mps(struct qtnf_pcie_bus_priv *priv)

static void qtnf_tune_pcie_mps(struct qtnf_pcie_pearl_state *priv)

{

	struct pci_dev *pdev = priv->pdev;

	struct pci_dev *parent;
@@ -355,7 +419,7 @@ static int qtnf_poll_state(__le32 __iomem *reg, u32 state, u32 delay_in_ms) 
	return 0;

}



static int alloc_skb_array(struct qtnf_pcie_bus_priv *priv)

static int alloc_skb_array(struct qtnf_pcie_pearl_state *priv)

{

	struct sk_buff **vaddr;

	int len;
@@ -375,7 +439,7 @@ static int alloc_skb_array(struct qtnf_pcie_bus_priv *priv) 
	return 0;

}



static int alloc_bd_table(struct qtnf_pcie_bus_priv *priv)

static int alloc_bd_table(struct qtnf_pcie_pearl_state *priv)

{

	dma_addr_t paddr;

	void *vaddr;
@@ -426,7 +490,7 @@ static int alloc_bd_table(struct qtnf_pcie_bus_priv *priv) 
	return 0;

}



static int skb2rbd_attach(struct qtnf_pcie_bus_priv *priv, u16 index)

static int skb2rbd_attach(struct qtnf_pcie_pearl_state *priv, u16 index)

{

	struct qtnf_rx_bd *rxbd;

	struct sk_buff *skb;
@@ -469,7 +533,7 @@ static int skb2rbd_attach(struct qtnf_pcie_bus_priv *priv, u16 index) 
	return 0;

}



static int alloc_rx_buffers(struct qtnf_pcie_bus_priv *priv)

static int alloc_rx_buffers(struct qtnf_pcie_pearl_state *priv)

{

	u16 i;

	int ret = 0;
@@ -487,7 +551,7 @@ static int alloc_rx_buffers(struct qtnf_pcie_bus_priv *priv) 
}



/* all rx/tx activity should have ceased before calling this function */

static void qtnf_free_xfer_buffers(struct qtnf_pcie_bus_priv *priv)

static void qtnf_free_xfer_buffers(struct qtnf_pcie_pearl_state *priv)

{

	struct qtnf_tx_bd *txbd;

	struct qtnf_rx_bd *rxbd;
@@ -524,7 +588,7 @@ static void qtnf_free_xfer_buffers(struct qtnf_pcie_bus_priv *priv) 
	}

}



static int qtnf_hhbm_init(struct qtnf_pcie_bus_priv *priv)

static int qtnf_hhbm_init(struct qtnf_pcie_pearl_state *priv)

{

	u32 val;
@@ -542,7 +606,7 @@ static int qtnf_hhbm_init(struct qtnf_pcie_bus_priv *priv) 
	return 0;

}



static int qtnf_pcie_init_xfer(struct qtnf_pcie_bus_priv *priv)

static int qtnf_pcie_init_xfer(struct qtnf_pcie_pearl_state *priv)

{

	int ret;

	u32 val;
@@ -605,7 +669,7 @@ static int qtnf_pcie_init_xfer(struct qtnf_pcie_bus_priv *priv) 
	return ret;

}



static void qtnf_pcie_data_tx_reclaim(struct qtnf_pcie_bus_priv *priv)

static void qtnf_pcie_data_tx_reclaim(struct qtnf_pcie_pearl_state *priv)

{

	struct qtnf_tx_bd *txbd;

	struct sk_buff *skb;
@@ -656,7 +720,7 @@ static void qtnf_pcie_data_tx_reclaim(struct qtnf_pcie_bus_priv *priv) 
	spin_unlock_irqrestore(&priv->tx_reclaim_lock, flags);

}



static int qtnf_tx_queue_ready(struct qtnf_pcie_bus_priv *priv)

static int qtnf_tx_queue_ready(struct qtnf_pcie_pearl_state *priv)

{

	if (!CIRC_SPACE(priv->tx_bd_w_index, priv->tx_bd_r_index,

			priv->tx_bd_num)) {
@@ -675,7 +739,7 @@ static int qtnf_tx_queue_ready(struct qtnf_pcie_bus_priv *priv) 


static int qtnf_pcie_data_tx(struct qtnf_bus *bus, struct sk_buff *skb)

{

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);

	dma_addr_t txbd_paddr, skb_paddr;

	struct qtnf_tx_bd *txbd;

	unsigned long flags;
@@ -750,7 +814,7 @@ static int qtnf_pcie_data_tx(struct qtnf_bus *bus, struct sk_buff *skb) 


static int qtnf_pcie_control_tx(struct qtnf_bus *bus, struct sk_buff *skb)

{

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);

	int ret;



	ret = qtnf_shm_ipc_send(&priv->shm_ipc_ep_in, skb->data, skb->len);
@@ -766,7 +830,7 @@ static int qtnf_pcie_control_tx(struct qtnf_bus *bus, struct sk_buff *skb) 
static irqreturn_t qtnf_interrupt(int irq, void *data)

{

	struct qtnf_bus *bus = (struct qtnf_bus *)data;

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);

	u32 status;



	priv->pcie_irq_count++;
@@ -807,7 +871,7 @@ static irqreturn_t qtnf_interrupt(int irq, void *data) 
	return IRQ_HANDLED;

}



static int qtnf_rx_data_ready(struct qtnf_pcie_bus_priv *priv)

static int qtnf_rx_data_ready(struct qtnf_pcie_pearl_state *priv)

{

	u16 index = priv->rx_bd_r_index;

	struct qtnf_rx_bd *rxbd;
@@ -825,7 +889,7 @@ static int qtnf_rx_data_ready(struct qtnf_pcie_bus_priv *priv) 
static int qtnf_rx_poll(struct napi_struct *napi, int budget)

{

	struct qtnf_bus *bus = container_of(napi, struct qtnf_bus, mux_napi);

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);

	struct net_device *ndev = NULL;

	struct sk_buff *skb = NULL;

	int processed = 0;
@@ -930,14 +994,14 @@ static int qtnf_rx_poll(struct napi_struct *napi, int budget) 
static void

qtnf_pcie_data_tx_timeout(struct qtnf_bus *bus, struct net_device *ndev)

{

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);



	tasklet_hi_schedule(&priv->reclaim_tq);

}



static void qtnf_pcie_data_rx_start(struct qtnf_bus *bus)

{

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);



	qtnf_enable_hdp_irqs(priv);

	napi_enable(&bus->mux_napi);
@@ -945,7 +1009,7 @@ static void qtnf_pcie_data_rx_start(struct qtnf_bus *bus) 


static void qtnf_pcie_data_rx_stop(struct qtnf_bus *bus)

{

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);



	napi_disable(&bus->mux_napi);

	qtnf_disable_hdp_irqs(priv);
@@ -965,7 +1029,7 @@ static const struct qtnf_bus_ops qtnf_pcie_bus_ops = { 
static int qtnf_dbg_mps_show(struct seq_file *s, void *data)

{

	struct qtnf_bus *bus = dev_get_drvdata(s->private);

	struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = get_bus_priv(bus);



	seq_printf(s, "%d\n", priv->mps);
@@ -975,7 +1039,7 @@ static int qtnf_dbg_mps_show(struct seq_file *s, void *data) 
static int qtnf_dbg_msi_show(struct seq_file *s, void *data)

{

	struct qtnf_bus *bus = dev_get_drvdata(s->private);

	struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = get_bus_priv(bus);



	seq_printf(s, "%u\n", priv->msi_enabled);
@@ -985,7 +1049,7 @@ static int qtnf_dbg_msi_show(struct seq_file *s, void *data) 
static int qtnf_dbg_irq_stats(struct seq_file *s, void *data)

{

	struct qtnf_bus *bus = dev_get_drvdata(s->private);

	struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = get_bus_priv(bus);

	u32 reg = readl(PCIE_HDP_INT_EN(priv->pcie_reg_base));

	u32 status;
@@ -1009,7 +1073,7 @@ static int qtnf_dbg_irq_stats(struct seq_file *s, void *data) 
static int qtnf_dbg_hdp_stats(struct seq_file *s, void *data)

{

	struct qtnf_bus *bus = dev_get_drvdata(s->private);

	struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = get_bus_priv(bus);



	seq_printf(s, "tx_full_count(%u)\n", priv->tx_full_count);

	seq_printf(s, "tx_done_count(%u)\n", priv->tx_done_count);
@@ -1040,7 +1104,7 @@ static int qtnf_dbg_hdp_stats(struct seq_file *s, void *data) 
static int qtnf_dbg_shm_stats(struct seq_file *s, void *data)

{

	struct qtnf_bus *bus = dev_get_drvdata(s->private);

	struct qtnf_pcie_bus_priv *priv = get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = get_bus_priv(bus);



	seq_printf(s, "shm_ipc_ep_in.tx_packet_count(%zu)\n",

		   priv->shm_ipc_ep_in.tx_packet_count);
@@ -1054,7 +1118,7 @@ static int qtnf_dbg_shm_stats(struct seq_file *s, void *data) 
	return 0;

}



static int qtnf_ep_fw_send(struct qtnf_pcie_bus_priv *priv, uint32_t size,

static int qtnf_ep_fw_send(struct qtnf_pcie_pearl_state *priv, uint32_t size,

			   int blk, const u8 *pblk, const u8 *fw)

{

	struct pci_dev *pdev = priv->pdev;
@@ -1103,7 +1167,7 @@ static int qtnf_ep_fw_send(struct qtnf_pcie_bus_priv *priv, uint32_t size, 
}



static int

qtnf_ep_fw_load(struct qtnf_pcie_bus_priv *priv, const u8 *fw, u32 fw_size)

qtnf_ep_fw_load(struct qtnf_pcie_pearl_state *priv, const u8 *fw, u32 fw_size)

{

	int blk_size = QTN_PCIE_FW_BUFSZ - sizeof(struct qtnf_pcie_fw_hdr);

	int blk_count = fw_size / blk_size + ((fw_size % blk_size) ? 1 : 0);
@@ -1172,7 +1236,7 @@ qtnf_ep_fw_load(struct qtnf_pcie_bus_priv *priv, const u8 *fw, u32 fw_size) 
static void qtnf_fw_work_handler(struct work_struct *work)

{

	struct qtnf_bus *bus = container_of(work, struct qtnf_bus, fw_work);

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);

	struct pci_dev *pdev = priv->pdev;

	const struct firmware *fw;

	int ret;
@@ -1256,7 +1320,7 @@ static void qtnf_fw_work_handler(struct work_struct *work) 


static void qtnf_bringup_fw_async(struct qtnf_bus *bus)

{

	struct qtnf_pcie_bus_priv *priv = (void *)get_bus_priv(bus);

	struct qtnf_pcie_pearl_state *priv = (void *)get_bus_priv(bus);

	struct pci_dev *pdev = priv->pdev;



	get_device(&pdev->dev);
@@ -1266,7 +1330,7 @@ static void qtnf_bringup_fw_async(struct qtnf_bus *bus) 


static void qtnf_reclaim_tasklet_fn(unsigned long data)

{

	struct qtnf_pcie_bus_priv *priv = (void *)data;

	struct qtnf_pcie_pearl_state *priv = (void *)data;



	qtnf_pcie_data_tx_reclaim(priv);

	qtnf_en_txdone_irq(priv);
@@ -1274,7 +1338,7 @@ static void qtnf_reclaim_tasklet_fn(unsigned long data) 


static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)

{

	struct qtnf_pcie_bus_priv *pcie_priv;

	struct qtnf_pcie_pearl_state *pcie_priv;

	struct qtnf_bus *bus;

	int ret;
@@ -1407,7 +1471,7 @@ static int qtnf_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) 


static void qtnf_pcie_remove(struct pci_dev *pdev)

{

	struct qtnf_pcie_bus_priv *priv;

	struct qtnf_pcie_pearl_state *priv;

	struct qtnf_bus *bus;



	bus = pci_get_drvdata(pdev);

drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie_bus_priv.h

deleted100644 → 0
+0 −91
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2015-2016 Quantenna Communications, Inc.

 * All rights reserved.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#ifndef _QTN_FMAC_PCIE_H_

#define _QTN_FMAC_PCIE_H_



#include <linux/dma-mapping.h>

#include <linux/io.h>



#include "pearl_pcie_regs.h"

#include "pearl_pcie_ipc.h"

#include "shm_ipc.h"



struct bus;



struct qtnf_pcie_bus_priv {

	struct pci_dev  *pdev;



	/* lock for irq configuration changes */

	spinlock_t irq_lock;



	/* lock for tx reclaim operations */

	spinlock_t tx_reclaim_lock;

	/* lock for tx0 operations */

	spinlock_t tx0_lock;

	u8 msi_enabled;

	u8 tx_stopped;

	int mps;



	struct workqueue_struct *workqueue;

	struct tasklet_struct reclaim_tq;



	void __iomem *sysctl_bar;

	void __iomem *epmem_bar;

	void __iomem *dmareg_bar;



	struct qtnf_shm_ipc shm_ipc_ep_in;

	struct qtnf_shm_ipc shm_ipc_ep_out;



	struct qtnf_pcie_bda __iomem *bda;

	void __iomem *pcie_reg_base;



	u16 tx_bd_num;

	u16 rx_bd_num;



	struct sk_buff **tx_skb;

	struct sk_buff **rx_skb;



	struct qtnf_tx_bd *tx_bd_vbase;

	dma_addr_t tx_bd_pbase;



	struct qtnf_rx_bd *rx_bd_vbase;

	dma_addr_t rx_bd_pbase;



	dma_addr_t bd_table_paddr;

	void *bd_table_vaddr;

	u32 bd_table_len;



	u32 rx_bd_w_index;

	u32 rx_bd_r_index;



	u32 tx_bd_w_index;

	u32 tx_bd_r_index;



	u32 pcie_irq_mask;



	/* diagnostics stats */

	u32 pcie_irq_count;

	u32 pcie_irq_rx_count;

	u32 pcie_irq_tx_count;

	u32 pcie_irq_uf_count;

	u32 tx_full_count;

	u32 tx_done_count;

	u32 tx_reclaim_done;

	u32 tx_reclaim_req;

};



#endif /* _QTN_FMAC_PCIE_H_ */