diff options
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_main.h')
| -rw-r--r-- | drivers/net/ethernet/netronome/nfp/nfp_main.h | 216 |
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 */ |