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Diffstat (limited to 'drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h')
-rw-r--r--drivers/net/ethernet/broadcom/bnxt/bnxt_ulp.h111
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 0000000000..6ff77f082e
--- /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
+#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.
+ */
+ void __iomem *bar0;
+};
+
+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