--- /dev/null
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(c) 2018 Netronome Systems, Inc.
+ * All rights reserved.
+ */
+
+#ifndef NSP_NSP_H
+#define NSP_NSP_H 1
+
+#include "nfp_cpp.h"
+#include "nfp_nsp.h"
+
+#define GENMASK_ULL(h, l) \
+ (((~0ULL) - (1ULL << (l)) + 1) & \
+ (~0ULL >> (64 - 1 - (h))))
+
+#define __bf_shf(x) (__builtin_ffsll(x) - 1)
+
+#define FIELD_GET(_mask, _reg) \
+ (__extension__ ({ \
+ typeof(_mask) _x = (_mask); \
+ (typeof(_x))(((_reg) & (_x)) >> __bf_shf(_x)); \
+ }))
+
+#define FIELD_FIT(_mask, _val) \
+ (__extension__ ({ \
+ typeof(_mask) _x = (_mask); \
+ !((((typeof(_x))_val) << __bf_shf(_x)) & ~(_x)); \
+ }))
+
+#define FIELD_PREP(_mask, _val) \
+ (__extension__ ({ \
+ typeof(_mask) _x = (_mask); \
+ ((typeof(_x))(_val) << __bf_shf(_x)) & (_x); \
+ }))
+
+/* Offsets relative to the CSR base */
+#define NSP_STATUS 0x00
+#define NSP_STATUS_MAGIC GENMASK_ULL(63, 48)
+#define NSP_STATUS_MAJOR GENMASK_ULL(47, 44)
+#define NSP_STATUS_MINOR GENMASK_ULL(43, 32)
+#define NSP_STATUS_CODE GENMASK_ULL(31, 16)
+#define NSP_STATUS_RESULT GENMASK_ULL(15, 8)
+#define NSP_STATUS_BUSY BIT_ULL(0)
+
+#define NSP_COMMAND 0x08
+#define NSP_COMMAND_OPTION GENMASK_ULL(63, 32)
+#define NSP_COMMAND_CODE GENMASK_ULL(31, 16)
+#define NSP_COMMAND_START BIT_ULL(0)
+
+/* CPP address to retrieve the data from */
+#define NSP_BUFFER 0x10
+#define NSP_BUFFER_CPP GENMASK_ULL(63, 40)
+#define NSP_BUFFER_PCIE GENMASK_ULL(39, 38)
+#define NSP_BUFFER_ADDRESS GENMASK_ULL(37, 0)
+
+#define NSP_DFLT_BUFFER 0x18
+
+#define NSP_DFLT_BUFFER_CONFIG 0x20
+#define NSP_DFLT_BUFFER_SIZE_MB GENMASK_ULL(7, 0)
+
+#define NSP_MAGIC 0xab10
+#define NSP_MAJOR 0
+#define NSP_MINOR 8
+
+#define NSP_CODE_MAJOR GENMASK(15, 12)
+#define NSP_CODE_MINOR GENMASK(11, 0)
+
+enum nfp_nsp_cmd {
+ SPCODE_NOOP = 0, /* No operation */
+ SPCODE_SOFT_RESET = 1, /* Soft reset the NFP */
+ SPCODE_FW_DEFAULT = 2, /* Load default (UNDI) FW */
+ SPCODE_PHY_INIT = 3, /* Initialize the PHY */
+ SPCODE_MAC_INIT = 4, /* Initialize the MAC */
+ SPCODE_PHY_RXADAPT = 5, /* Re-run PHY RX Adaptation */
+ SPCODE_FW_LOAD = 6, /* Load fw from buffer, len in option */
+ SPCODE_ETH_RESCAN = 7, /* Rescan ETHs, write ETH_TABLE to buf */
+ SPCODE_ETH_CONTROL = 8, /* Update media config from buffer */
+ SPCODE_NSP_SENSORS = 12, /* Read NSP sensor(s) */
+ SPCODE_NSP_IDENTIFY = 13, /* Read NSP version */
+};
+
+static const struct {
+ int code;
+ const char *msg;
+} nsp_errors[] = {
+ { 6010, "could not map to phy for port" },
+ { 6011, "not an allowed rate/lanes for port" },
+ { 6012, "not an allowed rate/lanes for port" },
+ { 6013, "high/low error, change other port first" },
+ { 6014, "config not found in flash" },
+};
+
+struct nfp_nsp {
+ struct nfp_cpp *cpp;
+ struct nfp_resource *res;
+ struct {
+ uint16_t major;
+ uint16_t minor;
+ } ver;
+
+ /* Eth table config state */
+ int modified;
+ unsigned int idx;
+ void *entries;
+};
+
+struct nfp_nsp *nfp_nsp_open(struct nfp_cpp *cpp);
+void nfp_nsp_close(struct nfp_nsp *state);
+uint16_t nfp_nsp_get_abi_ver_major(struct nfp_nsp *state);
+uint16_t nfp_nsp_get_abi_ver_minor(struct nfp_nsp *state);
+int nfp_nsp_wait(struct nfp_nsp *state);
+int nfp_nsp_device_soft_reset(struct nfp_nsp *state);
+int nfp_nsp_load_fw(struct nfp_nsp *state, void *buf, unsigned int size);
+int nfp_nsp_mac_reinit(struct nfp_nsp *state);
+int nfp_nsp_read_identify(struct nfp_nsp *state, void *buf, unsigned int size);
+int nfp_nsp_read_sensors(struct nfp_nsp *state, unsigned int sensor_mask,
+ void *buf, unsigned int size);
+
+static inline int nfp_nsp_has_mac_reinit(struct nfp_nsp *state)
+{
+ return nfp_nsp_get_abi_ver_minor(state) > 20;
+}
+
+enum nfp_eth_interface {
+ NFP_INTERFACE_NONE = 0,
+ NFP_INTERFACE_SFP = 1,
+ NFP_INTERFACE_SFPP = 10,
+ NFP_INTERFACE_SFP28 = 28,
+ NFP_INTERFACE_QSFP = 40,
+ NFP_INTERFACE_CXP = 100,
+ NFP_INTERFACE_QSFP28 = 112,
+};
+
+enum nfp_eth_media {
+ NFP_MEDIA_DAC_PASSIVE = 0,
+ NFP_MEDIA_DAC_ACTIVE,
+ NFP_MEDIA_FIBRE,
+};
+
+enum nfp_eth_aneg {
+ NFP_ANEG_AUTO = 0,
+ NFP_ANEG_SEARCH,
+ NFP_ANEG_25G_CONSORTIUM,
+ NFP_ANEG_25G_IEEE,
+ NFP_ANEG_DISABLED,
+};
+
+enum nfp_eth_fec {
+ NFP_FEC_AUTO_BIT = 0,
+ NFP_FEC_BASER_BIT,
+ NFP_FEC_REED_SOLOMON_BIT,
+ NFP_FEC_DISABLED_BIT,
+};
+
+#define NFP_FEC_AUTO BIT(NFP_FEC_AUTO_BIT)
+#define NFP_FEC_BASER BIT(NFP_FEC_BASER_BIT)
+#define NFP_FEC_REED_SOLOMON BIT(NFP_FEC_REED_SOLOMON_BIT)
+#define NFP_FEC_DISABLED BIT(NFP_FEC_DISABLED_BIT)
+
+#define ETH_ALEN 6
+
+/**
+ * struct nfp_eth_table - ETH table information
+ * @count: number of table entries
+ * @max_index: max of @index fields of all @ports
+ * @ports: table of ports
+ *
+ * @eth_index: port index according to legacy ethX numbering
+ * @index: chip-wide first channel index
+ * @nbi: NBI index
+ * @base: first channel index (within NBI)
+ * @lanes: number of channels
+ * @speed: interface speed (in Mbps)
+ * @interface: interface (module) plugged in
+ * @media: media type of the @interface
+ * @fec: forward error correction mode
+ * @aneg: auto negotiation mode
+ * @mac_addr: interface MAC address
+ * @label_port: port id
+ * @label_subport: id of interface within port (for split ports)
+ * @enabled: is enabled?
+ * @tx_enabled: is TX enabled?
+ * @rx_enabled: is RX enabled?
+ * @override_changed: is media reconfig pending?
+ *
+ * @port_type: one of %PORT_* defines for ethtool
+ * @port_lanes: total number of lanes on the port (sum of lanes of all subports)
+ * @is_split: is interface part of a split port
+ * @fec_modes_supported: bitmap of FEC modes supported
+ */
+struct nfp_eth_table {
+ unsigned int count;
+ unsigned int max_index;
+ struct nfp_eth_table_port {
+ unsigned int eth_index;
+ unsigned int index;
+ unsigned int nbi;
+ unsigned int base;
+ unsigned int lanes;
+ unsigned int speed;
+
+ unsigned int interface;
+ enum nfp_eth_media media;
+
+ enum nfp_eth_fec fec;
+ enum nfp_eth_aneg aneg;
+
+ uint8_t mac_addr[ETH_ALEN];
+
+ uint8_t label_port;
+ uint8_t label_subport;
+
+ int enabled;
+ int tx_enabled;
+ int rx_enabled;
+
+ int override_changed;
+
+ /* Computed fields */
+ uint8_t port_type;
+
+ unsigned int port_lanes;
+
+ int is_split;
+
+ unsigned int fec_modes_supported;
+ } ports[0];
+};
+
+struct nfp_eth_table *nfp_eth_read_ports(struct nfp_cpp *cpp);
+
+int nfp_eth_set_mod_enable(struct nfp_cpp *cpp, unsigned int idx, int enable);
+int nfp_eth_set_configured(struct nfp_cpp *cpp, unsigned int idx,
+ int configed);
+int
+nfp_eth_set_fec(struct nfp_cpp *cpp, unsigned int idx, enum nfp_eth_fec mode);
+
+int nfp_nsp_read_eth_table(struct nfp_nsp *state, void *buf, unsigned int size);
+int nfp_nsp_write_eth_table(struct nfp_nsp *state, const void *buf,
+ unsigned int size);
+void nfp_nsp_config_set_state(struct nfp_nsp *state, void *entries,
+ unsigned int idx);
+void nfp_nsp_config_clear_state(struct nfp_nsp *state);
+void nfp_nsp_config_set_modified(struct nfp_nsp *state, int modified);
+void *nfp_nsp_config_entries(struct nfp_nsp *state);
+int nfp_nsp_config_modified(struct nfp_nsp *state);
+unsigned int nfp_nsp_config_idx(struct nfp_nsp *state);
+
+static inline int nfp_eth_can_support_fec(struct nfp_eth_table_port *eth_port)
+{
+ return !!eth_port->fec_modes_supported;
+}
+
+static inline unsigned int
+nfp_eth_supported_fec_modes(struct nfp_eth_table_port *eth_port)
+{
+ return eth_port->fec_modes_supported;
+}
+
+struct nfp_nsp *nfp_eth_config_start(struct nfp_cpp *cpp, unsigned int idx);
+int nfp_eth_config_commit_end(struct nfp_nsp *nsp);
+void nfp_eth_config_cleanup_end(struct nfp_nsp *nsp);
+
+int __nfp_eth_set_aneg(struct nfp_nsp *nsp, enum nfp_eth_aneg mode);
+int __nfp_eth_set_speed(struct nfp_nsp *nsp, unsigned int speed);
+int __nfp_eth_set_split(struct nfp_nsp *nsp, unsigned int lanes);
+
+/**
+ * struct nfp_nsp_identify - NSP static information
+ * @version: opaque version string
+ * @flags: version flags
+ * @br_primary: branch id of primary bootloader
+ * @br_secondary: branch id of secondary bootloader
+ * @br_nsp: branch id of NSP
+ * @primary: version of primarary bootloader
+ * @secondary: version id of secondary bootloader
+ * @nsp: version id of NSP
+ * @sensor_mask: mask of present sensors available on NIC
+ */
+struct nfp_nsp_identify {
+ char version[40];
+ uint8_t flags;
+ uint8_t br_primary;
+ uint8_t br_secondary;
+ uint8_t br_nsp;
+ uint16_t primary;
+ uint16_t secondary;
+ uint16_t nsp;
+ uint64_t sensor_mask;
+};
+
+struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp);
+
+enum nfp_nsp_sensor_id {
+ NFP_SENSOR_CHIP_TEMPERATURE,
+ NFP_SENSOR_ASSEMBLY_POWER,
+ NFP_SENSOR_ASSEMBLY_12V_POWER,
+ NFP_SENSOR_ASSEMBLY_3V3_POWER,
+};
+
+int nfp_hwmon_read_sensor(struct nfp_cpp *cpp, enum nfp_nsp_sensor_id id,
+ long *val);
+
+#endif
Code Review / deb_dpdk.git / blobdiff