1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
new file mode 100644
index 000000000..80cbc4b61
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
@@ -0,0 +1,110 @@
+/* Broadcom NetXtreme-C/E network driver.
+ *
+ * Copyright (c) 2016-2018 Broadcom Limited
+ *
+ * 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.
+ */
+
+#ifndef BNXT_ULP_H
+#define BNXT_ULP_H
+
+#define BNXT_ROCE_ULP	0
+#define BNXT_MAX_ULP	1
+
+#define BNXT_MIN_ROCE_CP_RINGS	2
+#define BNXT_MIN_ROCE_STAT_CTXS	1
+#define BNXT_MAX_ROCE_MSIX	9
+#define BNXT_MAX_VF_ROCE_MSIX	2
+
+struct hwrm_async_event_cmpl;
+struct bnxt;
+
+struct bnxt_msix_entry {
+	u32	vector;
+	u32	ring_idx;
+	u32	db_offset;
+};
+
+struct bnxt_ulp_ops {
+	void (*ulp_irq_stop)(void *);
+	void (*ulp_irq_restart)(void *, struct bnxt_msix_entry *);
+};
+
+struct bnxt_fw_msg {
+	void	*msg;
+	int	msg_len;
+	void	*resp;
+	int	resp_max_len;
+	int	timeout;
+};
+
+struct bnxt_ulp {
+	void		*handle;
+	struct bnxt_ulp_ops __rcu *ulp_ops;
+	unsigned long	*async_events_bmap;
+	u16		max_async_event_id;
+	u16		msix_requested;
+	u16		msix_base;
+	atomic_t	ref_count;
+};
+
+struct bnxt_en_dev {
+	struct net_device *net;
+	struct pci_dev *pdev;
+	struct bnxt_msix_entry			msix_entries[BNXT_MAX_ROCE_MSIX];
+	u32 flags;
+	#define BNXT_EN_FLAG_ROCEV1_CAP		0x1
+	#define BNXT_EN_FLAG_ROCEV2_CAP		0x2
+	#define BNXT_EN_FLAG_ROCE_CAP		(BNXT_EN_FLAG_ROCEV1_CAP | \
+						 BNXT_EN_FLAG_ROCEV2_CAP)
+	#define BNXT_EN_FLAG_MSIX_REQUESTED	0x4
+	#define BNXT_EN_FLAG_ULP_STOPPED	0x8
+	#define BNXT_EN_FLAG_VF			0x10
+#define BNXT_EN_VF(edev)	((edev)->flags & BNXT_EN_FLAG_VF)
+
+	struct bnxt_ulp			*ulp_tbl;
+	int				l2_db_size;	/* Doorbell BAR size in
+							 * bytes mapped by L2
+							 * driver.
+							 */
+	int				l2_db_size_nc;	/* Doorbell BAR size in
+							 * bytes mapped as non-
+							 * cacheable.
+							 */
+	u16				chip_num;
+	u16				hw_ring_stats_size;
+	u16				pf_port_id;
+	unsigned long			en_state;	/* Could be checked in
+							 * RoCE driver suspend
+							 * mode only. Will be
+							 * updated in resume.
+							 */
+};
+
+static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev)
+{
+	if (edev && edev->ulp_tbl)
+		return true;
+	return false;
+}
+
+int bnxt_get_ulp_msix_num(struct bnxt *bp);
+int bnxt_get_ulp_msix_base(struct bnxt *bp);
+int bnxt_get_ulp_stat_ctxs(struct bnxt *bp);
+void bnxt_ulp_stop(struct bnxt *bp);
+void bnxt_ulp_start(struct bnxt *bp, int err);
+void bnxt_ulp_sriov_cfg(struct bnxt *bp, int num_vfs);
+void bnxt_ulp_irq_stop(struct bnxt *bp);
+void bnxt_ulp_irq_restart(struct bnxt *bp, int err);
+void bnxt_ulp_async_events(struct bnxt *bp, struct hwrm_async_event_cmpl *cmpl);
+void bnxt_rdma_aux_device_uninit(struct bnxt *bp);
+void bnxt_rdma_aux_device_init(struct bnxt *bp);
+int bnxt_register_dev(struct bnxt_en_dev *edev, struct bnxt_ulp_ops *ulp_ops,
+		      void *handle);
+void bnxt_unregister_dev(struct bnxt_en_dev *edev);
+int bnxt_send_msg(struct bnxt_en_dev *edev, struct bnxt_fw_msg *fw_msg);
+int bnxt_register_async_events(struct bnxt_en_dev *edev,
+			       unsigned long *events_bmap, u16 max_id);
+#endif