Adding upstream version 6.1.76.upstream/6.1.76upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 111 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..42b50abc3
--- /dev/null
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h
@@ -0,0 +1,111 @@
+/* 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
+
+struct hwrm_async_event_cmpl;
+struct bnxt;
+
+struct bnxt_msix_entry {
+	u32	vector;
+	u32	ring_idx;
+	u32	db_offset;
+};
+
+struct bnxt_ulp_ops {
+	/* async_notifier() cannot sleep (in BH context) */
+	void (*ulp_async_notifier)(void *, struct hwrm_async_event_cmpl *);
+	void (*ulp_stop)(void *);
+	void (*ulp_start)(void *);
+	void (*ulp_sriov_config)(void *, int);
+	void (*ulp_shutdown)(void *);
+	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;
+	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
+	const struct bnxt_en_ops	*en_ops;
+	struct bnxt_ulp			ulp_tbl[BNXT_MAX_ULP];
+	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.
+							 */
+};
+
+struct bnxt_en_ops {
+	int (*bnxt_register_device)(struct bnxt_en_dev *, unsigned int,
+				    struct bnxt_ulp_ops *, void *);
+	int (*bnxt_unregister_device)(struct bnxt_en_dev *, unsigned int);
+	int (*bnxt_request_msix)(struct bnxt_en_dev *, unsigned int,
+				 struct bnxt_msix_entry *, int);
+	int (*bnxt_free_msix)(struct bnxt_en_dev *, unsigned int);
+	int (*bnxt_send_fw_msg)(struct bnxt_en_dev *, unsigned int,
+				struct bnxt_fw_msg *);
+	int (*bnxt_register_fw_async_events)(struct bnxt_en_dev *, unsigned int,
+					     unsigned long *, u16);
+};
+
+static inline bool bnxt_ulp_registered(struct bnxt_en_dev *edev, int ulp_id)
+{
+	if (edev && rcu_access_pointer(edev->ulp_tbl[ulp_id].ulp_ops))
+		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_shutdown(struct bnxt *bp);
+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);
+struct bnxt_en_dev *bnxt_ulp_probe(struct net_device *dev);
+
+#endif