1 files changed, 1000 insertions, 0 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
new file mode 100644
index 000000000..71301dbd8
--- /dev/null
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -0,0 +1,1000 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/* Copyright (C) 2015-2018 Netronome Systems, Inc. */
+
+/*
+ * nfp_main.c
+ * Authors: Jakub Kicinski <jakub.kicinski@netronome.com>
+ *          Alejandro Lucero <alejandro.lucero@netronome.com>
+ *          Jason McMullan <jason.mcmullan@netronome.com>
+ *          Rolf Neugebauer <rolf.neugebauer@netronome.com>
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/pci.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+#include <net/devlink.h>
+
+#include "nfpcore/nfp.h"
+#include "nfpcore/nfp_cpp.h"
+#include "nfpcore/nfp_dev.h"
+#include "nfpcore/nfp_nffw.h"
+#include "nfpcore/nfp_nsp.h"
+
+#include "nfpcore/nfp6000_pcie.h"
+
+#include "nfp_abi.h"
+#include "nfp_app.h"
+#include "nfp_main.h"
+#include "nfp_net.h"
+
+static const char nfp_driver_name[] = "nfp";
+
+static const struct pci_device_id nfp_pci_device_ids[] = {
+	{ PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NFP3800,
+	  PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP3800,
+	},
+	{ PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NFP4000,
+	  PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP6000,
+	},
+	{ PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NFP5000,
+	  PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP6000,
+	},
+	{ PCI_VENDOR_ID_NETRONOME, PCI_DEVICE_ID_NFP6000,
+	  PCI_VENDOR_ID_NETRONOME, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP6000,
+	},
+	{ PCI_VENDOR_ID_CORIGINE, PCI_DEVICE_ID_NFP3800,
+	  PCI_VENDOR_ID_CORIGINE, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP3800,
+	},
+	{ PCI_VENDOR_ID_CORIGINE, PCI_DEVICE_ID_NFP4000,
+	  PCI_VENDOR_ID_CORIGINE, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP6000,
+	},
+	{ PCI_VENDOR_ID_CORIGINE, PCI_DEVICE_ID_NFP5000,
+	  PCI_VENDOR_ID_CORIGINE, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP6000,
+	},
+	{ PCI_VENDOR_ID_CORIGINE, PCI_DEVICE_ID_NFP6000,
+	  PCI_VENDOR_ID_CORIGINE, PCI_ANY_ID,
+	  PCI_ANY_ID, 0, NFP_DEV_NFP6000,
+	},
+	{ 0, } /* Required last entry. */
+};
+MODULE_DEVICE_TABLE(pci, nfp_pci_device_ids);
+
+int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format,
+			       unsigned int default_val)
+{
+	char name[256];
+	int err = 0;
+	u64 val;
+
+	snprintf(name, sizeof(name), format, nfp_cppcore_pcie_unit(pf->cpp));
+
+	val = nfp_rtsym_read_le(pf->rtbl, name, &err);
+	if (err) {
+		if (err == -ENOENT)
+			return default_val;
+		nfp_err(pf->cpp, "Unable to read symbol %s\n", name);
+		return err;
+	}
+
+	return val;
+}
+
+u8 __iomem *
+nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt,
+		 unsigned int min_size, struct nfp_cpp_area **area)
+{
+	char pf_symbol[256];
+
+	snprintf(pf_symbol, sizeof(pf_symbol), sym_fmt,
+		 nfp_cppcore_pcie_unit(pf->cpp));
+
+	return nfp_rtsym_map(pf->rtbl, pf_symbol, name, min_size, area);
+}
+
+/* Callers should hold the devlink instance lock */
+int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
+		 void *out_data, u64 out_length)
+{
+	unsigned long err_at;
+	u64 max_data_sz;
+	u32 val = 0;
+	int n, err;
+
+	if (!pf->mbox)
+		return -EOPNOTSUPP;
+
+	max_data_sz = nfp_rtsym_size(pf->mbox) - NFP_MBOX_SYM_MIN_SIZE;
+
+	/* Check if cmd field is clear */
+	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);
+	if (err || val) {
+		nfp_warn(pf->cpp, "failed to issue command (%u): %u, err: %d\n",
+			 cmd, val, err);
+		return err ?: -EBUSY;
+	}
+
+	in_length = min(in_length, max_data_sz);
+	n = nfp_rtsym_write(pf->cpp, pf->mbox, NFP_MBOX_DATA, in_data,
+			    in_length);
+	if (n != in_length)
+		return -EIO;
+	/* Write data_len and wipe reserved */
+	err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, in_length);
+	if (err)
+		return err;
+
+	/* Read back for ordering */
+	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val);
+	if (err)
+		return err;
+
+	/* Write cmd and wipe return value */
+	err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_CMD, cmd);
+	if (err)
+		return err;
+
+	err_at = jiffies + 5 * HZ;
+	while (true) {
+		/* Wait for command to go to 0 (NFP_MBOX_NO_CMD) */
+		err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);
+		if (err)
+			return err;
+		if (!val)
+			break;
+
+		if (time_is_before_eq_jiffies(err_at))
+			return -ETIMEDOUT;
+
+		msleep(5);
+	}
+
+	/* Copy output if any (could be error info, do it before reading ret) */
+	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, &val);
+	if (err)
+		return err;
+
+	out_length = min_t(u32, val, min(out_length, max_data_sz));
+	n = nfp_rtsym_read(pf->cpp, pf->mbox, NFP_MBOX_DATA,
+			   out_data, out_length);
+	if (n != out_length)
+		return -EIO;
+
+	/* Check if there is an error */
+	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_RET, &val);
+	if (err)
+		return err;
+	if (val)
+		return -val;
+
+	return out_length;
+}
+
+static bool nfp_board_ready(struct nfp_pf *pf)
+{
+	const char *cp;
+	long state;
+	int err;
+
+	cp = nfp_hwinfo_lookup(pf->hwinfo, "board.state");
+	if (!cp)
+		return false;
+
+	err = kstrtol(cp, 0, &state);
+	if (err < 0)
+		return false;
+
+	return state == 15;
+}
+
+static int nfp_pf_board_state_wait(struct nfp_pf *pf)
+{
+	const unsigned long wait_until = jiffies + 10 * HZ;
+
+	while (!nfp_board_ready(pf)) {
+		if (time_is_before_eq_jiffies(wait_until)) {
+			nfp_err(pf->cpp, "NFP board initialization timeout\n");
+			return -EINVAL;
+		}
+
+		nfp_info(pf->cpp, "waiting for board initialization\n");
+		if (msleep_interruptible(500))
+			return -ERESTARTSYS;
+
+		/* Refresh cached information */
+		kfree(pf->hwinfo);
+		pf->hwinfo = nfp_hwinfo_read(pf->cpp);
+	}
+
+	return 0;
+}
+
+static int nfp_pcie_sriov_read_nfd_limit(struct nfp_pf *pf)
+{
+	int err;
+
+	pf->limit_vfs = nfp_rtsym_read_le(pf->rtbl, "nfd_vf_cfg_max_vfs", &err);
+	if (err) {
+		/* For backwards compatibility if symbol not found allow all */
+		pf->limit_vfs = ~0;
+		if (err == -ENOENT)
+			return 0;
+
+		nfp_warn(pf->cpp, "Warning: VF limit read failed: %d\n", err);
+		return err;
+	}
+
+	err = pci_sriov_set_totalvfs(pf->pdev, pf->limit_vfs);
+	if (err)
+		nfp_warn(pf->cpp, "Failed to set VF count in sysfs: %d\n", err);
+	return 0;
+}
+
+static int nfp_pcie_sriov_enable(struct pci_dev *pdev, int num_vfs)
+{
+#ifdef CONFIG_PCI_IOV
+	struct nfp_pf *pf = pci_get_drvdata(pdev);
+	struct devlink *devlink;
+	int err;
+
+	if (num_vfs > pf->limit_vfs) {
+		nfp_info(pf->cpp, "Firmware limits number of VFs to %u\n",
+			 pf->limit_vfs);
+		return -EINVAL;
+	}
+
+	err = pci_enable_sriov(pdev, num_vfs);
+	if (err) {
+		dev_warn(&pdev->dev, "Failed to enable PCI SR-IOV: %d\n", err);
+		return err;
+	}
+
+	devlink = priv_to_devlink(pf);
+	devl_lock(devlink);
+
+	err = nfp_app_sriov_enable(pf->app, num_vfs);
+	if (err) {
+		dev_warn(&pdev->dev,
+			 "App specific PCI SR-IOV configuration failed: %d\n",
+			 err);
+		goto err_sriov_disable;
+	}
+
+	pf->num_vfs = num_vfs;
+
+	dev_dbg(&pdev->dev, "Created %d VFs.\n", pf->num_vfs);
+
+	devl_unlock(devlink);
+	return num_vfs;
+
+err_sriov_disable:
+	devl_unlock(devlink);
+	pci_disable_sriov(pdev);
+	return err;
+#endif
+	return 0;
+}
+
+static int nfp_pcie_sriov_disable(struct pci_dev *pdev)
+{
+#ifdef CONFIG_PCI_IOV
+	struct nfp_pf *pf = pci_get_drvdata(pdev);
+	struct devlink *devlink;
+
+	devlink = priv_to_devlink(pf);
+	devl_lock(devlink);
+
+	/* If the VFs are assigned we cannot shut down SR-IOV without
+	 * causing issues, so just leave the hardware available but
+	 * disabled
+	 */
+	if (pci_vfs_assigned(pdev)) {
+		dev_warn(&pdev->dev, "Disabling while VFs assigned - VFs will not be deallocated\n");
+		devl_unlock(devlink);
+		return -EPERM;
+	}
+
+	nfp_app_sriov_disable(pf->app);
+
+	pf->num_vfs = 0;
+
+	devl_unlock(devlink);
+
+	pci_disable_sriov(pdev);
+	dev_dbg(&pdev->dev, "Removed VFs.\n");
+#endif
+	return 0;
+}
+
+static int nfp_pcie_sriov_configure(struct pci_dev *pdev, int num_vfs)
+{
+	if (!pci_get_drvdata(pdev))
+		return -ENOENT;
+
+	if (num_vfs == 0)
+		return nfp_pcie_sriov_disable(pdev);
+	else
+		return nfp_pcie_sriov_enable(pdev, num_vfs);
+}
+
+int nfp_flash_update_common(struct nfp_pf *pf, const struct firmware *fw,
+			    struct netlink_ext_ack *extack)
+{
+	struct device *dev = &pf->pdev->dev;
+	struct nfp_nsp *nsp;
+	int err;
+
+	nsp = nfp_nsp_open(pf->cpp);
+	if (IS_ERR(nsp)) {
+		err = PTR_ERR(nsp);
+		if (extack)
+			NL_SET_ERR_MSG_MOD(extack, "can't access NSP");
+		else
+			dev_err(dev, "Failed to access the NSP: %d\n", err);
+		return err;
+	}
+
+	err = nfp_nsp_write_flash(nsp, fw);
+	if (err < 0)
+		goto exit_close_nsp;
+	dev_info(dev, "Finished writing flash image\n");
+	err = 0;
+
+exit_close_nsp:
+	nfp_nsp_close(nsp);
+	return err;
+}
+
+static const struct firmware *
+nfp_net_fw_request(struct pci_dev *pdev, struct nfp_pf *pf, const char *name)
+{
+	const struct firmware *fw = NULL;
+	int err;
+
+	err = request_firmware_direct(&fw, name, &pdev->dev);
+	nfp_info(pf->cpp, "  %s: %s\n",
+		 name, err ? "not found" : "found");
+	if (err)
+		return NULL;
+
+	return fw;
+}
+
+/**
+ * nfp_net_fw_find() - Find the correct firmware image for netdev mode
+ * @pdev:	PCI Device structure
+ * @pf:		NFP PF Device structure
+ *
+ * Return: firmware if found and requested successfully.
+ */
+static const struct firmware *
+nfp_net_fw_find(struct pci_dev *pdev, struct nfp_pf *pf)
+{
+	struct nfp_eth_table_port *port;
+	const struct firmware *fw;
+	const char *fw_model;
+	char fw_name[256];
+	const u8 *serial;
+	u16 interface;
+	int spc, i, j;
+
+	nfp_info(pf->cpp, "Looking for firmware file in order of priority:\n");
+
+	/* First try to find a firmware image specific for this device */
+	interface = nfp_cpp_interface(pf->cpp);
+	nfp_cpp_serial(pf->cpp, &serial);
+	sprintf(fw_name, "netronome/serial-%pMF-%02x-%02x.nffw",
+		serial, interface >> 8, interface & 0xff);
+	fw = nfp_net_fw_request(pdev, pf, fw_name);
+	if (fw)
+		return fw;
+
+	/* Then try the PCI name */
+	sprintf(fw_name, "netronome/pci-%s.nffw", pci_name(pdev));
+	fw = nfp_net_fw_request(pdev, pf, fw_name);
+	if (fw)
+		return fw;
+
+	/* Finally try the card type and media */
+	if (!pf->eth_tbl) {
+		dev_err(&pdev->dev, "Error: can't identify media config\n");
+		return NULL;
+	}
+
+	fw_model = nfp_hwinfo_lookup(pf->hwinfo, "nffw.partno");
+	if (!fw_model)
+		fw_model = nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno");
+	if (!fw_model) {
+		dev_err(&pdev->dev, "Error: can't read part number\n");
+		return NULL;
+	}
+
+	spc = ARRAY_SIZE(fw_name);
+	spc -= snprintf(fw_name, spc, "netronome/nic_%s", fw_model);
+
+	for (i = 0; spc > 0 && i < pf->eth_tbl->count; i += j) {
+		port = &pf->eth_tbl->ports[i];
+		j = 1;
+		while (i + j < pf->eth_tbl->count &&
+		       port->speed == port[j].speed)
+			j++;
+
+		spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc,
+				"_%dx%d", j, port->speed / 1000);
+	}
+
+	if (spc <= 0)
+		return NULL;
+
+	spc -= snprintf(&fw_name[ARRAY_SIZE(fw_name) - spc], spc, ".nffw");
+	if (spc <= 0)
+		return NULL;
+
+	return nfp_net_fw_request(pdev, pf, fw_name);
+}
+
+static int
+nfp_get_fw_policy_value(struct pci_dev *pdev, struct nfp_nsp *nsp,
+			const char *key, const char *default_val, int max_val,
+			int *value)
+{
+	char hwinfo[64];
+	long hi_val;
+	int err;
+
+	snprintf(hwinfo, sizeof(hwinfo), key);
+	err = nfp_nsp_hwinfo_lookup_optional(nsp, hwinfo, sizeof(hwinfo),
+					     default_val);
+	if (err)
+		return err;
+
+	err = kstrtol(hwinfo, 0, &hi_val);
+	if (err || hi_val < 0 || hi_val > max_val) {
+		dev_warn(&pdev->dev,
+			 "Invalid value '%s' from '%s', ignoring\n",
+			 hwinfo, key);
+		err = kstrtol(default_val, 0, &hi_val);
+	}
+
+	*value = hi_val;
+	return err;
+}
+
+/**
+ * nfp_fw_load() - Load the firmware image
+ * @pdev:       PCI Device structure
+ * @pf:		NFP PF Device structure
+ * @nsp:	NFP SP handle
+ *
+ * Return: -ERRNO, 0 for no firmware loaded, 1 for firmware loaded
+ */
+static int
+nfp_fw_load(struct pci_dev *pdev, struct nfp_pf *pf, struct nfp_nsp *nsp)
+{
+	bool do_reset, fw_loaded = false;
+	const struct firmware *fw = NULL;
+	int err, reset, policy, ifcs = 0;
+	char *token, *ptr;
+	char hwinfo[64];
+	u16 interface;
+
+	snprintf(hwinfo, sizeof(hwinfo), "abi_drv_load_ifc");
+	err = nfp_nsp_hwinfo_lookup_optional(nsp, hwinfo, sizeof(hwinfo),
+					     NFP_NSP_DRV_LOAD_IFC_DEFAULT);
+	if (err)
+		return err;
+
+	interface = nfp_cpp_interface(pf->cpp);
+	ptr = hwinfo;
+	while ((token = strsep(&ptr, ","))) {
+		unsigned long interface_hi;
+
+		err = kstrtoul(token, 0, &interface_hi);
+		if (err) {
+			dev_err(&pdev->dev,
+				"Failed to parse interface '%s': %d\n",
+				token, err);
+			return err;
+		}
+
+		ifcs++;
+		if (interface == interface_hi)
+			break;
+	}
+
+	if (!token) {
+		dev_info(&pdev->dev, "Firmware will be loaded by partner\n");
+		return 0;
+	}
+
+	err = nfp_get_fw_policy_value(pdev, nsp, "abi_drv_reset",
+				      NFP_NSP_DRV_RESET_DEFAULT,
+				      NFP_NSP_DRV_RESET_NEVER, &reset);
+	if (err)
+		return err;
+
+	err = nfp_get_fw_policy_value(pdev, nsp, "app_fw_from_flash",
+				      NFP_NSP_APP_FW_LOAD_DEFAULT,
+				      NFP_NSP_APP_FW_LOAD_PREF, &policy);
+	if (err)
+		return err;
+
+	fw = nfp_net_fw_find(pdev, pf);
+	do_reset = reset == NFP_NSP_DRV_RESET_ALWAYS ||
+		   (fw && reset == NFP_NSP_DRV_RESET_DISK);
+
+	if (do_reset) {
+		dev_info(&pdev->dev, "Soft-resetting the NFP\n");
+		err = nfp_nsp_device_soft_reset(nsp);
+		if (err < 0) {
+			dev_err(&pdev->dev,
+				"Failed to soft reset the NFP: %d\n", err);
+			goto exit_release_fw;
+		}
+	}
+
+	if (fw && policy != NFP_NSP_APP_FW_LOAD_FLASH) {
+		if (nfp_nsp_has_fw_loaded(nsp) && nfp_nsp_fw_loaded(nsp))
+			goto exit_release_fw;
+
+		err = nfp_nsp_load_fw(nsp, fw);
+		if (err < 0) {
+			dev_err(&pdev->dev, "FW loading failed: %d\n",
+				err);
+			goto exit_release_fw;
+		}
+		dev_info(&pdev->dev, "Finished loading FW image\n");
+		fw_loaded = true;
+	} else if (policy != NFP_NSP_APP_FW_LOAD_DISK &&
+		   nfp_nsp_has_stored_fw_load(nsp)) {
+
+		/* Don't propagate this error to stick with legacy driver
+		 * behavior, failure will be detected later during init.
+		 */
+		if (!nfp_nsp_load_stored_fw(nsp))
+			dev_info(&pdev->dev, "Finished loading stored FW image\n");
+
+		/* Don't flag the fw_loaded in this case since other devices
+		 * may reuse the firmware when configured this way
+		 */
+	} else {
+		dev_warn(&pdev->dev, "Didn't load firmware, please update flash or reconfigure card\n");
+	}
+
+exit_release_fw:
+	release_firmware(fw);
+
+	/* We don't want to unload firmware when other devices may still be
+	 * dependent on it, which could be the case if there are multiple
+	 * devices that could load firmware.
+	 */
+	if (fw_loaded && ifcs == 1)
+		pf->unload_fw_on_remove = true;
+
+	return err < 0 ? err : fw_loaded;
+}
+
+static void
+nfp_nsp_init_ports(struct pci_dev *pdev, struct nfp_pf *pf,
+		   struct nfp_nsp *nsp)
+{
+	bool needs_reinit = false;
+	int i;
+
+	pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp);
+	if (!pf->eth_tbl)
+		return;
+
+	if (!nfp_nsp_has_mac_reinit(nsp))
+		return;
+
+	for (i = 0; i < pf->eth_tbl->count; i++)
+		needs_reinit |= pf->eth_tbl->ports[i].override_changed;
+	if (!needs_reinit)
+		return;
+
+	kfree(pf->eth_tbl);
+	if (nfp_nsp_mac_reinit(nsp))
+		dev_warn(&pdev->dev, "MAC reinit failed\n");
+
+	pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp);
+}
+
+static int nfp_nsp_init(struct pci_dev *pdev, struct nfp_pf *pf)
+{
+	struct nfp_nsp *nsp;
+	int err;
+
+	err = nfp_resource_wait(pf->cpp, NFP_RESOURCE_NSP, 30);
+	if (err)
+		return err;
+
+	nsp = nfp_nsp_open(pf->cpp);
+	if (IS_ERR(nsp)) {
+		err = PTR_ERR(nsp);
+		dev_err(&pdev->dev, "Failed to access the NSP: %d\n", err);
+		return err;
+	}
+
+	err = nfp_nsp_wait(nsp);
+	if (err < 0)
+		goto exit_close_nsp;
+
+	nfp_nsp_init_ports(pdev, pf, nsp);
+
+	pf->nspi = __nfp_nsp_identify(nsp);
+	if (pf->nspi)
+		dev_info(&pdev->dev, "BSP: %s\n", pf->nspi->version);
+
+	err = nfp_fw_load(pdev, pf, nsp);
+	if (err < 0) {
+		kfree(pf->nspi);
+		kfree(pf->eth_tbl);
+		dev_err(&pdev->dev, "Failed to load FW\n");
+		goto exit_close_nsp;
+	}
+
+	pf->fw_loaded = !!err;
+	err = 0;
+
+exit_close_nsp:
+	nfp_nsp_close(nsp);
+
+	return err;
+}
+
+static void nfp_fw_unload(struct nfp_pf *pf)
+{
+	struct nfp_nsp *nsp;
+	int err;
+
+	nsp = nfp_nsp_open(pf->cpp);
+	if (IS_ERR(nsp)) {
+		nfp_err(pf->cpp, "Reset failed, can't open NSP\n");
+		return;
+	}
+
+	err = nfp_nsp_device_soft_reset(nsp);
+	if (err < 0)
+		dev_warn(&pf->pdev->dev, "Couldn't unload firmware: %d\n", err);
+	else
+		dev_info(&pf->pdev->dev, "Firmware safely unloaded\n");
+
+	nfp_nsp_close(nsp);
+}
+
+static int nfp_pf_find_rtsyms(struct nfp_pf *pf)
+{
+	char pf_symbol[256];
+	unsigned int pf_id;
+
+	pf_id = nfp_cppcore_pcie_unit(pf->cpp);
+
+	/* Optional per-PCI PF mailbox */
+	snprintf(pf_symbol, sizeof(pf_symbol), NFP_MBOX_SYM_NAME, pf_id);
+	pf->mbox = nfp_rtsym_lookup(pf->rtbl, pf_symbol);
+	if (pf->mbox && nfp_rtsym_size(pf->mbox) < NFP_MBOX_SYM_MIN_SIZE) {
+		nfp_err(pf->cpp, "PF mailbox symbol too small: %llu < %d\n",
+			nfp_rtsym_size(pf->mbox), NFP_MBOX_SYM_MIN_SIZE);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+int nfp_net_pf_get_app_id(struct nfp_pf *pf)
+{
+	return nfp_pf_rtsym_read_optional(pf, "_pf%u_net_app_id",
+					  NFP_APP_CORE_NIC);
+}
+
+static u64 nfp_net_pf_get_app_cap(struct nfp_pf *pf)
+{
+	char name[32];
+	int err = 0;
+	u64 val;
+
+	snprintf(name, sizeof(name), "_pf%u_net_app_cap", nfp_cppcore_pcie_unit(pf->cpp));
+
+	val = nfp_rtsym_read_le(pf->rtbl, name, &err);
+	if (err) {
+		if (err != -ENOENT)
+			nfp_err(pf->cpp, "Unable to read symbol %s\n", name);
+
+		return 0;
+	}
+
+	return val;
+}
+
+static void nfp_pf_cfg_hwinfo(struct nfp_pf *pf)
+{
+	struct nfp_nsp *nsp;
+	char hwinfo[32];
+	bool sp_indiff;
+	int err;
+
+	nsp = nfp_nsp_open(pf->cpp);
+	if (IS_ERR(nsp))
+		return;
+
+	if (!nfp_nsp_has_hwinfo_set(nsp))
+		goto end;
+
+	sp_indiff = (nfp_net_pf_get_app_id(pf) == NFP_APP_FLOWER_NIC) ||
+		    (nfp_net_pf_get_app_cap(pf) & NFP_NET_APP_CAP_SP_INDIFF);
+
+	/* No need to clean `sp_indiff` in driver, management firmware
+	 * will do it when application firmware is unloaded.
+	 */
+	snprintf(hwinfo, sizeof(hwinfo), "sp_indiff=%d", sp_indiff);
+	err = nfp_nsp_hwinfo_set(nsp, hwinfo, sizeof(hwinfo));
+	/* Not a fatal error, no need to return error to stop driver from loading */
+	if (err) {
+		nfp_warn(pf->cpp, "HWinfo(sp_indiff=%d) set failed: %d\n", sp_indiff, err);
+	} else {
+		/* Need reinit eth_tbl since the eth table state may change
+		 * after sp_indiff is configured.
+		 */
+		kfree(pf->eth_tbl);
+		pf->eth_tbl = __nfp_eth_read_ports(pf->cpp, nsp);
+	}
+
+end:
+	nfp_nsp_close(nsp);
+}
+
+static int nfp_pci_probe(struct pci_dev *pdev,
+			 const struct pci_device_id *pci_id)
+{
+	const struct nfp_dev_info *dev_info;
+	struct devlink *devlink;
+	struct nfp_pf *pf;
+	int err;
+
+	if ((pdev->vendor == PCI_VENDOR_ID_NETRONOME ||
+	     pdev->vendor == PCI_VENDOR_ID_CORIGINE) &&
+	    (pdev->device == PCI_DEVICE_ID_NFP3800_VF ||
+	     pdev->device == PCI_DEVICE_ID_NFP6000_VF))
+		dev_warn(&pdev->dev, "Binding NFP VF device to the NFP PF driver, the VF driver is called 'nfp_netvf'\n");
+
+	dev_info = &nfp_dev_info[pci_id->driver_data];
+
+	err = pci_enable_device(pdev);
+	if (err < 0)
+		return err;
+
+	pci_set_master(pdev);
+
+	err = dma_set_mask_and_coherent(&pdev->dev, dev_info->dma_mask);
+	if (err)
+		goto err_pci_disable;
+
+	err = pci_request_regions(pdev, nfp_driver_name);
+	if (err < 0) {
+		dev_err(&pdev->dev, "Unable to reserve pci resources.\n");
+		goto err_pci_disable;
+	}
+
+	devlink = devlink_alloc(&nfp_devlink_ops, sizeof(*pf), &pdev->dev);
+	if (!devlink) {
+		err = -ENOMEM;
+		goto err_rel_regions;
+	}
+	pf = devlink_priv(devlink);
+	INIT_LIST_HEAD(&pf->vnics);
+	INIT_LIST_HEAD(&pf->ports);
+	pci_set_drvdata(pdev, pf);
+	pf->pdev = pdev;
+	pf->dev_info = dev_info;
+
+	pf->wq = alloc_workqueue("nfp-%s", 0, 2, pci_name(pdev));
+	if (!pf->wq) {
+		err = -ENOMEM;
+		goto err_pci_priv_unset;
+	}
+
+	pf->cpp = nfp_cpp_from_nfp6000_pcie(pdev, dev_info);
+	if (IS_ERR(pf->cpp)) {
+		err = PTR_ERR(pf->cpp);
+		goto err_disable_msix;
+	}
+
+	err = nfp_resource_table_init(pf->cpp);
+	if (err)
+		goto err_cpp_free;
+
+	pf->hwinfo = nfp_hwinfo_read(pf->cpp);
+
+	dev_info(&pdev->dev, "Assembly: %s%s%s-%s CPLD: %s\n",
+		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.vendor"),
+		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.partno"),
+		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.serial"),
+		 nfp_hwinfo_lookup(pf->hwinfo, "assembly.revision"),
+		 nfp_hwinfo_lookup(pf->hwinfo, "cpld.version"));
+
+	err = nfp_pf_board_state_wait(pf);
+	if (err)
+		goto err_hwinfo_free;
+
+	err = nfp_nsp_init(pdev, pf);
+	if (err)
+		goto err_hwinfo_free;
+
+	pf->mip = nfp_mip_open(pf->cpp);
+	pf->rtbl = __nfp_rtsym_table_read(pf->cpp, pf->mip);
+
+	err = nfp_pf_find_rtsyms(pf);
+	if (err)
+		goto err_fw_unload;
+
+	pf->dump_flag = NFP_DUMP_NSP_DIAG;
+	pf->dumpspec = nfp_net_dump_load_dumpspec(pf->cpp, pf->rtbl);
+
+	err = nfp_pcie_sriov_read_nfd_limit(pf);
+	if (err)
+		goto err_fw_unload;
+
+	pf->num_vfs = pci_num_vf(pdev);
+	if (pf->num_vfs > pf->limit_vfs) {
+		dev_err(&pdev->dev,
+			"Error: %d VFs already enabled, but loaded FW can only support %d\n",
+			pf->num_vfs, pf->limit_vfs);
+		err = -EINVAL;
+		goto err_fw_unload;
+	}
+
+	nfp_pf_cfg_hwinfo(pf);
+
+	err = nfp_net_pci_probe(pf);
+	if (err)
+		goto err_fw_unload;
+
+	err = nfp_hwmon_register(pf);
+	if (err) {
+		dev_err(&pdev->dev, "Failed to register hwmon info\n");
+		goto err_net_remove;
+	}
+
+	return 0;
+
+err_net_remove:
+	nfp_net_pci_remove(pf);
+err_fw_unload:
+	kfree(pf->rtbl);
+	nfp_mip_close(pf->mip);
+	if (pf->unload_fw_on_remove)
+		nfp_fw_unload(pf);
+	kfree(pf->eth_tbl);
+	kfree(pf->nspi);
+	vfree(pf->dumpspec);
+err_hwinfo_free:
+	kfree(pf->hwinfo);
+err_cpp_free:
+	nfp_cpp_free(pf->cpp);
+err_disable_msix:
+	destroy_workqueue(pf->wq);
+err_pci_priv_unset:
+	pci_set_drvdata(pdev, NULL);
+	devlink_free(devlink);
+err_rel_regions:
+	pci_release_regions(pdev);
+err_pci_disable:
+	pci_disable_device(pdev);
+
+	return err;
+}
+
+static void __nfp_pci_shutdown(struct pci_dev *pdev, bool unload_fw)
+{
+	struct nfp_pf *pf;
+
+	pf = pci_get_drvdata(pdev);
+	if (!pf)
+		return;
+
+	nfp_hwmon_unregister(pf);
+
+	nfp_pcie_sriov_disable(pdev);
+
+	nfp_net_pci_remove(pf);
+
+	vfree(pf->dumpspec);
+	kfree(pf->rtbl);
+	nfp_mip_close(pf->mip);
+	if (unload_fw && pf->unload_fw_on_remove)
+		nfp_fw_unload(pf);
+
+	destroy_workqueue(pf->wq);
+	pci_set_drvdata(pdev, NULL);
+	kfree(pf->hwinfo);
+	nfp_cpp_free(pf->cpp);
+
+	kfree(pf->eth_tbl);
+	kfree(pf->nspi);
+	devlink_free(priv_to_devlink(pf));
+	pci_release_regions(pdev);
+	pci_disable_device(pdev);
+}
+
+static void nfp_pci_remove(struct pci_dev *pdev)
+{
+	__nfp_pci_shutdown(pdev, true);
+}
+
+static void nfp_pci_shutdown(struct pci_dev *pdev)
+{
+	__nfp_pci_shutdown(pdev, false);
+}
+
+static struct pci_driver nfp_pci_driver = {
+	.name			= nfp_driver_name,
+	.id_table		= nfp_pci_device_ids,
+	.probe			= nfp_pci_probe,
+	.remove			= nfp_pci_remove,
+	.shutdown		= nfp_pci_shutdown,
+	.sriov_configure	= nfp_pcie_sriov_configure,
+};
+
+static int __init nfp_main_init(void)
+{
+	int err;
+
+	pr_info("%s: NFP PCIe Driver, Copyright (C) 2014-2020 Netronome Systems\n",
+		nfp_driver_name);
+	pr_info("%s: NFP PCIe Driver, Copyright (C) 2021-2022 Corigine Inc.\n",
+		nfp_driver_name);
+
+	nfp_net_debugfs_create();
+
+	err = pci_register_driver(&nfp_pci_driver);
+	if (err < 0)
+		goto err_destroy_debugfs;
+
+	err = pci_register_driver(&nfp_netvf_pci_driver);
+	if (err)
+		goto err_unreg_pf;
+
+	return err;
+
+err_unreg_pf:
+	pci_unregister_driver(&nfp_pci_driver);
+err_destroy_debugfs:
+	nfp_net_debugfs_destroy();
+	return err;
+}
+
+static void __exit nfp_main_exit(void)
+{
+	pci_unregister_driver(&nfp_netvf_pci_driver);
+	pci_unregister_driver(&nfp_pci_driver);
+	nfp_net_debugfs_destroy();
+}
+
+module_init(nfp_main_init);
+module_exit(nfp_main_exit);
+
+MODULE_FIRMWARE("netronome/nic_AMDA0058-0011_2x40.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0058-0012_2x40.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_1x40.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0081-0001_4x10.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0096-0001_2x10.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_2x40.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_4x10_1x40.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0097-0001_8x10.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x10.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_2x25.nffw");
+MODULE_FIRMWARE("netronome/nic_AMDA0099-0001_1x10_1x25.nffw");
+
+MODULE_AUTHOR("Corigine, Inc. <oss-drivers@corigine.com>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("The Network Flow Processor (NFP) driver.");