Adding upstream version 4.19.249.upstream/4.19.249

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

1 files changed, 216 insertions, 0 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.h b/drivers/net/ethernet/netronome/nfp/nfp_main.h
new file mode 100644
index 000000000..595b3dc28
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.h
@@ -0,0 +1,216 @@
+/*
+ * Copyright (C) 2015-2017 Netronome Systems, Inc.
+ *
+ * This software is dual licensed under the GNU General License Version 2,
+ * June 1991 as shown in the file COPYING in the top-level directory of this
+ * source tree or the BSD 2-Clause License provided below.  You have the
+ * option to license this software under the complete terms of either license.
+ *
+ * The BSD 2-Clause License:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      1. Redistributions of source code must retain the above
+ *         copyright notice, this list of conditions and the following
+ *         disclaimer.
+ *
+ *      2. Redistributions in binary form must reproduce the above
+ *         copyright notice, this list of conditions and the following
+ *         disclaimer in the documentation and/or other materials
+ *         provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/*
+ * nfp_main.h
+ * Author: Jason McMullan <jason.mcmullan@netronome.com>
+ */
+
+#ifndef NFP_MAIN_H
+#define NFP_MAIN_H
+
+#include <linux/ethtool.h>
+#include <linux/list.h>
+#include <linux/types.h>
+#include <linux/msi.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <linux/workqueue.h>
+#include <net/devlink.h>
+
+struct dentry;
+struct device;
+struct pci_dev;
+
+struct nfp_cpp;
+struct nfp_cpp_area;
+struct nfp_eth_table;
+struct nfp_hwinfo;
+struct nfp_mip;
+struct nfp_net;
+struct nfp_nsp_identify;
+struct nfp_port;
+struct nfp_rtsym;
+struct nfp_rtsym_table;
+struct nfp_shared_buf;
+
+/**
+ * struct nfp_dumpspec - NFP FW dump specification structure
+ * @size:	Size of the data
+ * @data:	Sequence of TLVs, each being an instruction to dump some data
+ *		from FW
+ */
+struct nfp_dumpspec {
+	u32 size;
+	u8 data[0];
+};
+
+/**
+ * struct nfp_pf - NFP PF-specific device structure
+ * @pdev:		Backpointer to PCI device
+ * @cpp:		Pointer to the CPP handle
+ * @app:		Pointer to the APP handle
+ * @data_vnic_bar:	Pointer to the CPP area for the data vNICs' BARs
+ * @ctrl_vnic_bar:	Pointer to the CPP area for the ctrl vNIC's BAR
+ * @qc_area:		Pointer to the CPP area for the queues
+ * @mac_stats_bar:	Pointer to the CPP area for the MAC stats
+ * @mac_stats_mem:	Pointer to mapped MAC stats area
+ * @vf_cfg_bar:		Pointer to the CPP area for the VF configuration BAR
+ * @vf_cfg_mem:		Pointer to mapped VF configuration area
+ * @vfcfg_tbl2_area:	Pointer to the CPP area for the VF config table
+ * @vfcfg_tbl2:		Pointer to mapped VF config table
+ * @mbox:		RTSym of per-PCI PF mailbox (under devlink lock)
+ * @irq_entries:	Array of MSI-X entries for all vNICs
+ * @limit_vfs:		Number of VFs supported by firmware (~0 for PCI limit)
+ * @num_vfs:		Number of SR-IOV VFs enabled
+ * @fw_loaded:		Is the firmware loaded?
+ * @ctrl_vnic:		Pointer to the control vNIC if available
+ * @mip:		MIP handle
+ * @rtbl:		RTsym table
+ * @hwinfo:		HWInfo table
+ * @dumpspec:		Debug dump specification
+ * @dump_flag:		Store dump flag between set_dump and get_dump_flag
+ * @dump_len:		Store dump length between set_dump and get_dump_flag
+ * @eth_tbl:		NSP ETH table
+ * @nspi:		NSP identification info
+ * @hwmon_dev:		pointer to hwmon device
+ * @ddir:		Per-device debugfs directory
+ * @max_data_vnics:	Number of data vNICs app firmware supports
+ * @num_vnics:		Number of vNICs spawned
+ * @vnics:		Linked list of vNIC structures (struct nfp_net)
+ * @ports:		Linked list of port structures (struct nfp_port)
+ * @wq:			Workqueue for running works which need to grab @lock
+ * @port_refresh_work:	Work entry for taking netdevs out
+ * @shared_bufs:	Array of shared buffer structures if FW has any SBs
+ * @num_shared_bufs:	Number of elements in @shared_bufs
+ * @lock:		Protects all fields which may change after probe
+ */
+struct nfp_pf {
+	struct pci_dev *pdev;
+
+	struct nfp_cpp *cpp;
+
+	struct nfp_app *app;
+
+	struct nfp_cpp_area *data_vnic_bar;
+	struct nfp_cpp_area *ctrl_vnic_bar;
+	struct nfp_cpp_area *qc_area;
+	struct nfp_cpp_area *mac_stats_bar;
+	u8 __iomem *mac_stats_mem;
+	struct nfp_cpp_area *vf_cfg_bar;
+	u8 __iomem *vf_cfg_mem;
+	struct nfp_cpp_area *vfcfg_tbl2_area;
+	u8 __iomem *vfcfg_tbl2;
+
+	const struct nfp_rtsym *mbox;
+
+	struct msix_entry *irq_entries;
+
+	unsigned int limit_vfs;
+	unsigned int num_vfs;
+
+	bool fw_loaded;
+
+	struct nfp_net *ctrl_vnic;
+
+	const struct nfp_mip *mip;
+	struct nfp_rtsym_table *rtbl;
+	struct nfp_hwinfo *hwinfo;
+	struct nfp_dumpspec *dumpspec;
+	u32 dump_flag;
+	u32 dump_len;
+	struct nfp_eth_table *eth_tbl;
+	struct nfp_nsp_identify *nspi;
+
+	struct device *hwmon_dev;
+
+	struct dentry *ddir;
+
+	unsigned int max_data_vnics;
+	unsigned int num_vnics;
+
+	struct list_head vnics;
+	struct list_head ports;
+
+	struct workqueue_struct *wq;
+	struct work_struct port_refresh_work;
+
+	struct nfp_shared_buf *shared_bufs;
+	unsigned int num_shared_bufs;
+
+	struct mutex lock;
+};
+
+extern struct pci_driver nfp_netvf_pci_driver;
+
+extern const struct devlink_ops nfp_devlink_ops;
+
+int nfp_net_pci_probe(struct nfp_pf *pf);
+void nfp_net_pci_remove(struct nfp_pf *pf);
+
+int nfp_hwmon_register(struct nfp_pf *pf);
+void nfp_hwmon_unregister(struct nfp_pf *pf);
+
+void
+nfp_net_get_mac_addr(struct nfp_pf *pf, struct net_device *netdev,
+		     struct nfp_port *port);
+
+bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
+
+int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format,
+			       unsigned int default_val);
+u8 __iomem *
+nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt,
+		 unsigned int min_size, struct nfp_cpp_area **area);
+int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
+		 void *out_data, u64 out_length);
+
+enum nfp_dump_diag {
+	NFP_DUMP_NSP_DIAG = 0,
+};
+
+struct nfp_dumpspec *
+nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl);
+s64 nfp_net_dump_calculate_size(struct nfp_pf *pf, struct nfp_dumpspec *spec,
+				u32 flag);
+int nfp_net_dump_populate_buffer(struct nfp_pf *pf, struct nfp_dumpspec *spec,
+				 struct ethtool_dump *dump_param, void *dest);
+
+int nfp_shared_buf_register(struct nfp_pf *pf);
+void nfp_shared_buf_unregister(struct nfp_pf *pf);
+int nfp_shared_buf_pool_get(struct nfp_pf *pf, unsigned int sb, u16 pool_index,
+			    struct devlink_sb_pool_info *pool_info);
+int nfp_shared_buf_pool_set(struct nfp_pf *pf, unsigned int sb,
+			    u16 pool_index, u32 size,
+			    enum devlink_sb_threshold_type threshold_type);
+#endif /* NFP_MAIN_H */