drivers/net/ethernet/netronome/nfp/nfpcore/nfp.h

   1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
   2 /* Copyright (C) 2015-2018 Netronome Systems, Inc. */
   3
   4 /*
   5  * nfp.h
   6  * Interface for NFP device access and query functions.
   7  */
   8
   9 #ifndef __NFP_H__
  10 #define __NFP_H__
  11
  12 #include <linux/device.h>
  13 #include <linux/types.h>
  14
  15 #include "nfp_cpp.h"
  16
  17 /* Implemented in nfp_hwinfo.c */
  18
  19 struct nfp_hwinfo;
  20 struct nfp_hwinfo *nfp_hwinfo_read(struct nfp_cpp *cpp);
  21 const char *nfp_hwinfo_lookup(struct nfp_hwinfo *hwinfo, const char *lookup);
  22 char *nfp_hwinfo_get_packed_strings(struct nfp_hwinfo *hwinfo);
  23 u32 nfp_hwinfo_get_packed_str_size(struct nfp_hwinfo *hwinfo);
  24
  25 /* Implemented in nfp_nsp.c, low level functions */
  26
  27 struct nfp_nsp;
  28
  29 struct nfp_cpp *nfp_nsp_cpp(struct nfp_nsp *state);
  30 bool nfp_nsp_config_modified(struct nfp_nsp *state);
  31 void nfp_nsp_config_set_modified(struct nfp_nsp *state, bool modified);
  32 void *nfp_nsp_config_entries(struct nfp_nsp *state);
  33 unsigned int nfp_nsp_config_idx(struct nfp_nsp *state);
  34 void nfp_nsp_config_set_state(struct nfp_nsp *state, void *entries,
  35                               unsigned int idx);
  36 void nfp_nsp_config_clear_state(struct nfp_nsp *state);
  37 int nfp_nsp_read_eth_table(struct nfp_nsp *state, void *buf, unsigned int size);
  38 int nfp_nsp_write_eth_table(struct nfp_nsp *state,
  39                             const void *buf, unsigned int size);
  40 int nfp_nsp_read_identify(struct nfp_nsp *state, void *buf, unsigned int size);
  41 int nfp_nsp_read_sensors(struct nfp_nsp *state, unsigned int sensor_mask,
  42                          void *buf, unsigned int size);
  43
  44 /* Implemented in nfp_resource.c */
  45
  46 /* All keys are CRC32-POSIX of the 8-byte identification string */
  47
  48 /* ARM/PCI vNIC Interfaces 0..3 */
  49 #define NFP_RESOURCE_VNIC_PCI_0         "vnic.p0"
  50 #define NFP_RESOURCE_VNIC_PCI_1         "vnic.p1"
  51 #define NFP_RESOURCE_VNIC_PCI_2         "vnic.p2"
  52 #define NFP_RESOURCE_VNIC_PCI_3         "vnic.p3"
  53
  54 /* NFP Hardware Info Database */
  55 #define NFP_RESOURCE_NFP_HWINFO         "nfp.info"
  56
  57 /* Service Processor */
  58 #define NFP_RESOURCE_NSP                "nfp.sp"
  59 #define NFP_RESOURCE_NSP_DIAG           "arm.diag"
  60
  61 /* Netronone Flow Firmware Table */
  62 #define NFP_RESOURCE_NFP_NFFW           "nfp.nffw"
  63
  64 /* MAC Statistics Accumulator */
  65 #define NFP_RESOURCE_MAC_STATISTICS     "mac.stat"
  66
  67 int nfp_resource_table_init(struct nfp_cpp *cpp);
  68
  69 struct nfp_resource *
  70 nfp_resource_acquire(struct nfp_cpp *cpp, const char *name);
  71
  72 void nfp_resource_release(struct nfp_resource *res);
  73
  74 int nfp_resource_wait(struct nfp_cpp *cpp, const char *name, unsigned int secs);
  75
  76 u32 nfp_resource_cpp_id(struct nfp_resource *res);
  77
  78 const char *nfp_resource_name(struct nfp_resource *res);
  79
  80 u64 nfp_resource_address(struct nfp_resource *res);
  81
  82 u64 nfp_resource_size(struct nfp_resource *res);
  83
  84 #endif /* !__NFP_H__ */