diff --git a/drivers/net/ethernet/netronome/nfp/Makefile b/drivers/net/ethernet/netronome/nfp/Makefile index 4a5d13ef92a4f431eebeaf06bf72134185a736d8..4b15f0f496aa7e65385509e774428d57442197b6 100644 --- a/drivers/net/ethernet/netronome/nfp/Makefile +++ b/drivers/net/ethernet/netronome/nfp/Makefile @@ -9,6 +9,7 @@ nfp-objs := \ nfpcore/nfp_mutex.o \ nfpcore/nfp_nffw.o \ nfpcore/nfp_nsp.o \ + nfpcore/nfp_nsp_cmds.o \ nfpcore/nfp_nsp_eth.o \ nfpcore/nfp_resource.o \ nfpcore/nfp_rtsym.o \ diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c index bea2a1a6c21178ecbe2251007cbd7d79100753cc..dde35dae35c502530efe32b15731d743981970b1 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_main.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c @@ -253,6 +253,7 @@ nfp_fw_load(struct pci_dev *pdev, struct nfp_pf *pf, struct nfp_nsp *nsp) static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf) { + struct nfp_nsp_identify *nspi; struct nfp_nsp *nsp; int err; @@ -269,6 +270,12 @@ static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf) pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp); + nspi = __nfp_nsp_identify(nsp); + if (nspi) { + dev_info(&pdev->dev, "BSP: %s\n", nspi->version); + kfree(nspi); + } + err = nfp_fw_load(pdev, pf, nsp); if (err < 0) { kfree(pf->eth_tbl); diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp.h index 8afef7593f13d91a026a90e07d9fcecd1648fc7f..4df2ce261b3f786e4871b14f9090038fab91daae 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp.h +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp.h @@ -63,6 +63,7 @@ void nfp_nsp_config_clear_state(struct nfp_nsp *state); 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); +int nfp_nsp_read_identify(struct nfp_nsp *state, void *buf, unsigned int size); /* Implemented in nfp_resource.c */ diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c index 4635f42e15b005dd66ff5503f7c369160c0827b0..61797c98f5fe946d4fa63ff7b9296537e6f63564 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.c @@ -93,6 +93,7 @@ enum nfp_nsp_cmd { 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_IDENTIFY = 13, /* Read NSP version */ __MAX_SPCODE, }; @@ -493,3 +494,9 @@ int nfp_nsp_write_eth_table(struct nfp_nsp *state, return nfp_nsp_command_buf(state, SPCODE_ETH_CONTROL, size, buf, size, NULL, 0); } + +int nfp_nsp_read_identify(struct nfp_nsp *state, void *buf, unsigned int size) +{ + return nfp_nsp_command_buf(state, SPCODE_NSP_IDENTIFY, size, NULL, 0, + buf, size); +} diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h index 7d34ff145fd7c85ec45272e42c32af576076b98f..36b21e4dc56d3fa8d48547b9f1ba1d3de5316d0f 100644 --- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp.h @@ -147,4 +147,28 @@ 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 + */ +struct nfp_nsp_identify { + char version[40]; + u8 flags; + u8 br_primary; + u8 br_secondary; + u8 br_nsp; + u16 primary; + u16 secondary; + u16 nsp; +}; + +struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp); + #endif diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_cmds.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_cmds.c new file mode 100644 index 0000000000000000000000000000000000000000..e7a263de3731db29d76ec3ba2141762a81ea4ac2 --- /dev/null +++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_nsp_cmds.c @@ -0,0 +1,89 @@ +/* + * Copyright (C) 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. + */ + +#include +#include + +#include "nfp.h" +#include "nfp_nsp.h" + +struct nsp_identify { + u8 version[40]; + u8 flags; + u8 br_primary; + u8 br_secondary; + u8 br_nsp; + __le16 primary; + __le16 secondary; + __le16 nsp; + __le16 reserved; +}; + +struct nfp_nsp_identify *__nfp_nsp_identify(struct nfp_nsp *nsp) +{ + struct nfp_nsp_identify *nspi = NULL; + struct nsp_identify *ni; + int ret; + + if (nfp_nsp_get_abi_ver_minor(nsp) < 15) + return NULL; + + ni = kzalloc(sizeof(*ni), GFP_KERNEL); + if (!ni) + return NULL; + + ret = nfp_nsp_read_identify(nsp, ni, sizeof(*ni)); + if (ret < 0) { + nfp_err(nfp_nsp_cpp(nsp), "reading bsp version failed %d\n", + ret); + goto exit_free; + } + + nspi = kzalloc(sizeof(*nspi), GFP_KERNEL); + if (!nspi) + goto exit_free; + + memcpy(nspi->version, ni->version, sizeof(nspi->version)); + nspi->version[sizeof(nspi->version) - 1] = '\0'; + nspi->flags = ni->flags; + nspi->br_primary = ni->br_primary; + nspi->br_secondary = ni->br_secondary; + nspi->br_nsp = ni->br_nsp; + nspi->primary = le16_to_cpu(ni->primary); + nspi->secondary = le16_to_cpu(ni->secondary); + nspi->nsp = le16_to_cpu(ni->nsp); + +exit_free: + kfree(ni); + return nspi; +}