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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) Meta Platforms, Inc. and affiliates. */
#include <asm/unaligned.h>
#include <linux/pci.h>
#include <linux/types.h>
#include <net/devlink.h>
#include "fbnic.h"
#define FBNIC_SN_STR_LEN 24
static int fbnic_devlink_info_get(struct devlink *devlink,
struct devlink_info_req *req,
struct netlink_ext_ack *extack)
{
struct fbnic_dev *fbd = devlink_priv(devlink);
int err;
if (fbd->dsn) {
unsigned char serial[FBNIC_SN_STR_LEN];
u8 dsn[8];
put_unaligned_be64(fbd->dsn, dsn);
err = snprintf(serial, FBNIC_SN_STR_LEN, "%8phD", dsn);
if (err < 0)
return err;
err = devlink_info_serial_number_put(req, serial);
if (err)
return err;
}
return 0;
}
static const struct devlink_ops fbnic_devlink_ops = {
.info_get = fbnic_devlink_info_get,
};
void fbnic_devlink_free(struct fbnic_dev *fbd)
{
struct devlink *devlink = priv_to_devlink(fbd);
devlink_free(devlink);
}
struct fbnic_dev *fbnic_devlink_alloc(struct pci_dev *pdev)
{
void __iomem * const *iomap_table;
struct devlink *devlink;
struct fbnic_dev *fbd;
devlink = devlink_alloc(&fbnic_devlink_ops, sizeof(struct fbnic_dev),
&pdev->dev);
if (!devlink)
return NULL;
fbd = devlink_priv(devlink);
pci_set_drvdata(pdev, fbd);
fbd->dev = &pdev->dev;
iomap_table = pcim_iomap_table(pdev);
fbd->uc_addr0 = iomap_table[0];
fbd->uc_addr4 = iomap_table[4];
fbd->dsn = pci_get_dsn(pdev);
fbd->mps = pcie_get_mps(pdev);
fbd->readrq = pcie_get_readrq(pdev);
fbd->mac_addr_boundary = FBNIC_RPC_TCAM_MACDA_DEFAULT_BOUNDARY;
return fbd;
}
void fbnic_devlink_register(struct fbnic_dev *fbd)
{
struct devlink *devlink = priv_to_devlink(fbd);
devlink_register(devlink);
}
void fbnic_devlink_unregister(struct fbnic_dev *fbd)
{
struct devlink *devlink = priv_to_devlink(fbd);
devlink_unregister(devlink);
}
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