// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
* Driver for AMD network controllers and boards
* Copyright (C) 2023, Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#include "net_driver.h"
#include "ef100_nic.h"
#include "efx_devlink.h"
#include <linux/rtc.h>
#include "mcdi.h"
#include "mcdi_functions.h"
#include "mcdi_pcol.h"
#ifdef CONFIG_SFC_SRIOV
#include "mae.h"
#include "ef100_rep.h"
#endif
struct efx_devlink {
struct efx_nic *efx;
};
#ifdef CONFIG_SFC_SRIOV
static int efx_devlink_port_addr_get(struct devlink_port *port, u8 *hw_addr,
int *hw_addr_len,
struct netlink_ext_ack *extack)
{
struct efx_devlink *devlink = devlink_priv(port->devlink);
struct mae_mport_desc *mport_desc;
efx_qword_t pciefn;
u32 client_id;
int rc = 0;
mport_desc = container_of(port, struct mae_mport_desc, dl_port);
if (!ef100_mport_on_local_intf(devlink->efx, mport_desc)) {
rc = -EINVAL;
NL_SET_ERR_MSG_FMT(extack,
"Port not on local interface (mport: %u)",
mport_desc->mport_id);
goto out;
}
if (ef100_mport_is_vf(mport_desc))
EFX_POPULATE_QWORD_3(pciefn,
PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL,
PCIE_FUNCTION_VF, mport_desc->vf_idx,
PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
else
EFX_POPULATE_QWORD_3(pciefn,
PCIE_FUNCTION_PF, mport_desc->pf_idx,
PCIE_FUNCTION_VF, PCIE_FUNCTION_VF_NULL,
PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id);
if (rc) {
NL_SET_ERR_MSG_FMT(extack,
"No internal client_ID for port (mport: %u)",
mport_desc->mport_id);
goto out;
}
rc = ef100_get_mac_address(devlink->efx, hw_addr, client_id, true);
if (rc != 0)
NL_SET_ERR_MSG_FMT(extack,
"No available MAC for port (mport: %u)",
mport_desc->mport_id);
out:
*hw_addr_len = ETH_ALEN;
return rc;
}
static int efx_devlink_port_addr_set(struct devlink_port *port,
const u8 *hw_addr, int hw_addr_len,
struct netlink_ext_ack *extack)
{
MCDI_DECLARE_BUF(inbuf, MC_CMD_SET_CLIENT_MAC_ADDRESSES_IN_LEN(1));
struct efx_devlink *devlink = devlink_priv(port->devlink);
struct mae_mport_desc *mport_desc;
efx_qword_t pciefn;
u32 client_id;
int rc;
mport_desc = container_of(port, struct mae_mport_desc, dl_port);
if (!ef100_mport_is_vf(mport_desc)) {
NL_SET_ERR_MSG_FMT(extack,
"port mac change not allowed (mport: %u)",
mport_desc->mport_id);
return -EPERM;
}
EFX_POPULATE_QWORD_3(pciefn,
PCIE_FUNCTION_PF, PCIE_FUNCTION_PF_NULL,
PCIE_FUNCTION_VF, mport_desc->vf_idx,
PCIE_FUNCTION_INTF, PCIE_INTERFACE_CALLER);
rc = efx_ef100_lookup_client_id(devlink->efx, pciefn, &client_id);
if (rc) {
NL_SET_ERR_MSG_FMT(extack,
"No internal client_ID for port (mport: %u)",
mport_desc->mport_id);
return rc;
}
MCDI_SET_DWORD(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_CLIENT_HANDLE,
client_id);
ether_addr_copy(MCDI_PTR(inbuf, SET_CLIENT_MAC_ADDRESSES_IN_MAC_ADDRS),
hw_addr);
rc = efx_mcdi_rpc(devlink->efx, MC_CMD_SET_CLIENT_MAC_ADDRESSES, inbuf,
sizeof(inbuf), NULL, 0, NULL);
if (rc)
NL_SET_ERR_MSG_FMT(extack,
"sfc MC_CMD_SET_CLIENT_MAC_ADDRESSES mcdi error (mport: %u)",
mport_desc->mport_id);
return rc;
}
static const struct devlink_port_ops sfc_devlink_port_ops = {
.port_fn_hw_addr_get = efx_devlink_port_addr_get,
.port_fn_hw_addr_set = efx_devlink_port_addr_set,
};
static void efx_devlink_del_port(struct devlink_port *dl_port)
{
if (!dl_port)
return;
devl_port_unregister(dl_port);
}
static int efx_devlink_add_port(struct efx_nic *efx,
struct mae_mport_desc *mport)
{
bool external = false;
if (!ef100_mport_on_local_intf(efx, mport))
external = true;
switch (mport->mport_type) {
case MAE_MPORT_DESC_MPORT_TYPE_VNIC:
if (mport->vf_idx != MAE_MPORT_DESC_VF_IDX_NULL)
devlink_port_attrs_pci_vf_set(&mport->dl_port, 0, mport->pf_idx,
mport->vf_idx,
external);
else
devlink_port_attrs_pci_pf_set(&mport->dl_port, 0, mport->pf_idx,
external);
break;
default:
/* MAE_MPORT_DESC_MPORT_ALIAS and UNDEFINED */
return 0;
}
mport->dl_port.index = mport->mport_id;
return devl_port_register_with_ops(efx->devlink, &mport->dl_port,
mport->mport_id,
&sfc_devlink_port_ops);
}
#endif
static int efx_devlink_info_nvram_partition(struct efx_nic *efx,
struct devlink_info_req *req,
unsigned int partition_type,
const char *version_name)
{
char buf[EFX_MAX_VERSION_INFO_LEN];
u16 version[4];
int rc;
rc = efx_mcdi_nvram_metadata(efx, partition_type, NULL, version, NULL,
0);
/* If the partition does not exist, that is not an error. */
if (rc == -ENOENT)
return 0;
if (rc) {
netif_err(efx, drv, efx->net_dev, "mcdi nvram %s: failed (rc=%d)\n",
version_name, rc);
return rc;
}
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u", version[0],
version[1], version[2], version[3]);
devlink_info_version_stored_put(req, version_name, buf);
return 0;
}
static int efx_devlink_info_stored_versions(struct efx_nic *efx,
struct devlink_info_req *req)
{
int err;
/* We do not care here about the specific error but just if an error
* happened. The specific error will be reported inside the call
* through system messages, and if any error happened in any call
* below, we report it through extack.
*/
err = efx_devlink_info_nvram_partition(efx, req,
NVRAM_PARTITION_TYPE_BUNDLE,
DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID);
err |= efx_devlink_info_nvram_partition(efx, req,
NVRAM_PARTITION_TYPE_MC_FIRMWARE,
DEVLINK_INFO_VERSION_GENERIC_FW_MGMT);
err |= efx_devlink_info_nvram_partition(efx, req,
NVRAM_PARTITION_TYPE_SUC_FIRMWARE,
EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC);
err |= efx_devlink_info_nvram_partition(efx, req,
NVRAM_PARTITION_TYPE_EXPANSION_ROM,
EFX_DEVLINK_INFO_VERSION_FW_EXPROM);
err |= efx_devlink_info_nvram_partition(efx, req,
NVRAM_PARTITION_TYPE_EXPANSION_UEFI,
EFX_DEVLINK_INFO_VERSION_FW_UEFI);
return err;
}
#define EFX_VER_FLAG(_f) \
(MC_CMD_GET_VERSION_V5_OUT_ ## _f ## _PRESENT_LBN)
static void efx_devlink_info_running_v2(struct efx_nic *efx,
struct devlink_info_req *req,
unsigned int flags, efx_dword_t *outbuf)
{
char buf[EFX_MAX_VERSION_INFO_LEN];
union {
const __le32 *dwords;
const __le16 *words;
const char *str;
} ver;
struct rtc_time build_date;
unsigned int build_id;
size_t offset;
__maybe_unused u64 tstamp;
if (flags & BIT(EFX_VER_FLAG(BOARD_EXT_INFO))) {
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%s",
MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_NAME));
devlink_info_version_fixed_put(req,
DEVLINK_INFO_VERSION_GENERIC_BOARD_ID,
buf);
/* Favour full board version if present (in V5 or later) */
if (~flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) {
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u",
MCDI_DWORD(outbuf,
GET_VERSION_V2_OUT_BOARD_REVISION));
devlink_info_version_fixed_put(req,
DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
buf);
}
ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_BOARD_SERIAL);
if (ver.str[0])
devlink_info_board_serial_number_put(req, ver.str);
}
if (flags & BIT(EFX_VER_FLAG(FPGA_EXT_INFO))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V2_OUT_FPGA_VERSION);
offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u_%c%u",
le32_to_cpu(ver.dwords[0]),
'A' + le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]));
ver.str = MCDI_PTR(outbuf, GET_VERSION_V2_OUT_FPGA_EXTRA);
if (ver.str[0])
snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
" (%s)", ver.str);
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_FPGA_REV,
buf);
}
if (flags & BIT(EFX_VER_FLAG(CMC_EXT_INFO))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V2_OUT_CMCFW_VERSION);
offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]),
le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
#ifdef CONFIG_RTC_LIB
tstamp = MCDI_QWORD(outbuf,
GET_VERSION_V2_OUT_CMCFW_BUILD_DATE);
if (tstamp) {
rtc_time64_to_tm(tstamp, &build_date);
snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
" (%ptRd)", &build_date);
}
#endif
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_FW_MGMT_CMC,
buf);
}
ver.words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_V2_OUT_VERSION);
offset = snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le16_to_cpu(ver.words[0]), le16_to_cpu(ver.words[1]),
le16_to_cpu(ver.words[2]), le16_to_cpu(ver.words[3]));
if (flags & BIT(EFX_VER_FLAG(MCFW_EXT_INFO))) {
build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_ID);
snprintf(&buf[offset], EFX_MAX_VERSION_INFO_LEN - offset,
" (%x) %s", build_id,
MCDI_PTR(outbuf, GET_VERSION_V2_OUT_MCFW_BUILD_NAME));
}
devlink_info_version_running_put(req,
DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
buf);
if (flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V2_OUT_SUCFW_VERSION);
#ifdef CONFIG_RTC_LIB
tstamp = MCDI_QWORD(outbuf,
GET_VERSION_V2_OUT_SUCFW_BUILD_DATE);
rtc_time64_to_tm(tstamp, &build_date);
#else
memset(&build_date, 0, sizeof(build_date));
#endif
build_id = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_SUCFW_CHIP_ID);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN,
"%u.%u.%u.%u type %x (%ptRd)",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]), le32_to_cpu(ver.dwords[3]),
build_id, &build_date);
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC,
buf);
}
}
static void efx_devlink_info_running_v3(struct efx_nic *efx,
struct devlink_info_req *req,
unsigned int flags, efx_dword_t *outbuf)
{
char buf[EFX_MAX_VERSION_INFO_LEN];
union {
const __le32 *dwords;
const __le16 *words;
const char *str;
} ver;
if (flags & BIT(EFX_VER_FLAG(DATAPATH_HW_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V3_OUT_DATAPATH_HW_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_DATAPATH_HW,
buf);
}
if (flags & BIT(EFX_VER_FLAG(DATAPATH_FW_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V3_OUT_DATAPATH_FW_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_DATAPATH_FW,
buf);
}
}
static void efx_devlink_info_running_v4(struct efx_nic *efx,
struct devlink_info_req *req,
unsigned int flags, efx_dword_t *outbuf)
{
char buf[EFX_MAX_VERSION_INFO_LEN];
union {
const __le32 *dwords;
const __le16 *words;
const char *str;
} ver;
if (flags & BIT(EFX_VER_FLAG(SOC_BOOT_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V4_OUT_SOC_BOOT_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_SOC_BOOT,
buf);
}
if (flags & BIT(EFX_VER_FLAG(SOC_UBOOT_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V4_OUT_SOC_UBOOT_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_SOC_UBOOT,
buf);
}
if (flags & BIT(EFX_VER_FLAG(SOC_MAIN_ROOTFS_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V4_OUT_SOC_MAIN_ROOTFS_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_SOC_MAIN,
buf);
}
if (flags & BIT(EFX_VER_FLAG(SOC_RECOVERY_BUILDROOT_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V4_OUT_SOC_RECOVERY_BUILDROOT_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_SOC_RECOVERY,
buf);
}
if (flags & BIT(EFX_VER_FLAG(SUCFW_VERSION)) &&
~flags & BIT(EFX_VER_FLAG(SUCFW_EXT_INFO))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V4_OUT_SUCFW_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
EFX_DEVLINK_INFO_VERSION_FW_MGMT_SUC,
buf);
}
}
static void efx_devlink_info_running_v5(struct efx_nic *efx,
struct devlink_info_req *req,
unsigned int flags, efx_dword_t *outbuf)
{
char buf[EFX_MAX_VERSION_INFO_LEN];
union {
const __le32 *dwords;
const __le16 *words;
const char *str;
} ver;
if (flags & BIT(EFX_VER_FLAG(BOARD_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V5_OUT_BOARD_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
DEVLINK_INFO_VERSION_GENERIC_BOARD_REV,
buf);
}
if (flags & BIT(EFX_VER_FLAG(BUNDLE_VERSION))) {
ver.dwords = (__le32 *)MCDI_PTR(outbuf,
GET_VERSION_V5_OUT_BUNDLE_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le32_to_cpu(ver.dwords[0]), le32_to_cpu(ver.dwords[1]),
le32_to_cpu(ver.dwords[2]),
le32_to_cpu(ver.dwords[3]));
devlink_info_version_running_put(req,
DEVLINK_INFO_VERSION_GENERIC_FW_BUNDLE_ID,
buf);
}
}
static int efx_devlink_info_running_versions(struct efx_nic *efx,
struct devlink_info_req *req)
{
MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_VERSION_V5_OUT_LEN);
MCDI_DECLARE_BUF(inbuf, MC_CMD_GET_VERSION_EXT_IN_LEN);
char buf[EFX_MAX_VERSION_INFO_LEN];
union {
const __le32 *dwords;
const __le16 *words;
const char *str;
} ver;
size_t outlength;
unsigned int flags;
int rc;
rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, inbuf, sizeof(inbuf),
outbuf, sizeof(outbuf), &outlength);
if (rc || outlength < MC_CMD_GET_VERSION_OUT_LEN) {
netif_err(efx, drv, efx->net_dev,
"mcdi MC_CMD_GET_VERSION failed\n");
return rc;
}
/* Handle previous output */
if (outlength < MC_CMD_GET_VERSION_V2_OUT_LEN) {
ver.words = (__le16 *)MCDI_PTR(outbuf,
GET_VERSION_EXT_OUT_VERSION);
snprintf(buf, EFX_MAX_VERSION_INFO_LEN, "%u.%u.%u.%u",
le16_to_cpu(ver.words[0]),
le16_to_cpu(ver.words[1]),
le16_to_cpu(ver.words[2]),
le16_to_cpu(ver.words[3]));
devlink_info_version_running_put(req,
DEVLINK_INFO_VERSION_GENERIC_FW_MGMT,
buf);
return 0;
}
/* Handle V2 additions */
flags = MCDI_DWORD(outbuf, GET_VERSION_V2_OUT_FLAGS);
efx_devlink_info_running_v2(efx, req, flags, outbuf);
if (outlength < MC_CMD_GET_VERSION_V3_OUT_LEN)
return 0;
/* Handle V3 additions */
efx_devlink_info_running_v3(efx, req, flags, outbuf);
if (outlength < MC_CMD_GET_VERSION_V4_OUT_LEN)
return 0;
/* Handle V4 additions */
efx_devlink_info_running_v4(efx, req, flags, outbuf);
if (outlength < MC_CMD_GET_VERSION_V5_OUT_LEN)
return 0;
/* Handle V5 additions */
efx_devlink_info_running_v5(efx, req, flags, outbuf);
return 0;
}
#define EFX_MAX_SERIALNUM_LEN (ETH_ALEN * 2 + 1)
static int efx_devlink_info_board_cfg(struct efx_nic *efx,
struct devlink_info_req *req)
{
char sn[EFX_MAX_SERIALNUM_LEN];
u8 mac_address[ETH_ALEN];
int rc;
rc = efx_mcdi_get_board_cfg(efx, (u8 *)mac_address, NULL, NULL);
if (!rc) {
snprintf(sn, EFX_MAX_SERIALNUM_LEN, "%pm", mac_address);
devlink_info_serial_number_put(req, sn);
}
return rc;
}
static int efx_devlink_info_get(struct devlink *devlink,
struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
struct efx_devlink *devlink_private = devlink_priv(devlink);
struct efx_nic *efx = devlink_private->efx;
int err;
/* Several different MCDI commands are used. We report if errors
* happened through extack. Specific error information via system
* messages inside the calls.
*/
err = efx_devlink_info_board_cfg(efx, req);
err |= efx_devlink_info_stored_versions(efx, req);
err |= efx_devlink_info_running_versions(efx, req);
if (err)
NL_SET_ERR_MSG_MOD(extack, "Errors when getting device info. Check system messages");
return 0;
}
static const struct devlink_ops sfc_devlink_ops = {
.info_get = efx_devlink_info_get,
};
#ifdef CONFIG_SFC_SRIOV
static struct devlink_port *ef100_set_devlink_port(struct efx_nic *efx, u32 idx)
{
struct mae_mport_desc *mport;
u32 id;
int rc;
if (!efx->mae)
return NULL;
if (efx_mae_lookup_mport(efx, idx, &id)) {
/* This should not happen. */
if (idx == MAE_MPORT_DESC_VF_IDX_NULL)
pci_warn_once(efx->pci_dev, "No mport ID found for PF.\n");
else
pci_warn_once(efx->pci_dev, "No mport ID found for VF %u.\n",
idx);
return NULL;
}
mport = efx_mae_get_mport(efx, id);
if (!mport) {
/* This should not happen. */
if (idx == MAE_MPORT_DESC_VF_IDX_NULL)
pci_warn_once(efx->pci_dev, "No mport found for PF.\n");
else
pci_warn_once(efx->pci_dev, "No mport found for VF %u.\n",
idx);
return NULL;
}
rc = efx_devlink_add_port(efx, mport);
if (rc) {
if (idx == MAE_MPORT_DESC_VF_IDX_NULL)
pci_warn(efx->pci_dev,
"devlink port creation for PF failed.\n");
else
pci_warn(efx->pci_dev,
"devlink_port creation for VF %u failed.\n",
idx);
return NULL;
}
return &mport->dl_port;
}
void ef100_rep_set_devlink_port(struct efx_rep *efv)
{
efv->dl_port = ef100_set_devlink_port(efv->parent, efv->idx);
}
void ef100_pf_set_devlink_port(struct efx_nic *efx)
{
efx->dl_port = ef100_set_devlink_port(efx, MAE_MPORT_DESC_VF_IDX_NULL);
}
void ef100_rep_unset_devlink_port(struct efx_rep *efv)
{
efx_devlink_del_port(efv->dl_port);
}
void ef100_pf_unset_devlink_port(struct efx_nic *efx)
{
efx_devlink_del_port(efx->dl_port);
}
#endif
void efx_fini_devlink_lock(struct efx_nic *efx)
{
if (efx->devlink)
devl_lock(efx->devlink);
}
void efx_fini_devlink_and_unlock(struct efx_nic *efx)
{
if (efx->devlink) {
devl_unregister(efx->devlink);
devl_unlock(efx->devlink);
devlink_free(efx->devlink);
efx->devlink = NULL;
}
}
int efx_probe_devlink_and_lock(struct efx_nic *efx)
{
struct efx_devlink *devlink_private;
if (efx->type->is_vf)
return 0;
efx->devlink = devlink_alloc(&sfc_devlink_ops,
sizeof(struct efx_devlink),
&efx->pci_dev->dev);
if (!efx->devlink)
return -ENOMEM;
devl_lock(efx->devlink);
devlink_private = devlink_priv(efx->devlink);
devlink_private->efx = efx;
devl_register(efx->devlink);
return 0;
}
void efx_probe_devlink_unlock(struct efx_nic *efx)
{
if (!efx->devlink)
return;
devl_unlock(efx->devlink);
}
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