nfp: move rtsym helpers to pf code

nfp_net_pf_rtsym_read_optional() and nfp_net_pf_map_rtsym() are not
really related to networking code.  Move them to the PF code and
remove the net from their names.  They will soon be needed by code
outside of nfp_net_main.c anyway.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

3 files changed, 51 insertions, 48 deletions

diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.c b/drivers/net/ethernet/netronome/nfp/nfp_main.c
index 0ade122805ad..1ef3623c6e1c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.c
@@ -75,6 +75,38 @@ static const struct pci_device_id nfp_pci_device_ids[] = {
 };
 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);
+}
+
 static bool nfp_board_ready(struct nfp_pf *pf)
 {
 	const char *cp;
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_main.h b/drivers/net/ethernet/netronome/nfp/nfp_main.h
index 42211083b51f..5b028486c894 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_main.h
+++ b/drivers/net/ethernet/netronome/nfp/nfp_main.h
@@ -177,6 +177,12 @@ nfp_net_get_mac_addr(struct nfp_pf *pf, struct net_device *netdev,
 
 bool nfp_ctrl_tx(struct nfp_net *nn, struct sk_buff *skb);
 
+int nfp_pf_rtsym_read_optional(struct nfp_pf *pf, const char *format,
+			       unsigned int default_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);
+
 enum nfp_dump_diag {
 	NFP_DUMP_NSP_DIAG = 0,
 };
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
index 45cd2092e498..f8abb4cd9cef 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
@@ -101,48 +101,15 @@ nfp_net_find_port(struct nfp_eth_table *eth_tbl, unsigned int index)
 	return NULL;
 }
 
-static int
-nfp_net_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;
-}
-
 static int nfp_net_pf_get_num_ports(struct nfp_pf *pf)
 {
-	return nfp_net_pf_rtsym_read_optional(pf, "nfd_cfg_pf%u_num_ports", 1);
+	return nfp_pf_rtsym_read_optional(pf, "nfd_cfg_pf%u_num_ports", 1);
 }
 
 static int nfp_net_pf_get_app_id(struct nfp_pf *pf)
 {
-	return nfp_net_pf_rtsym_read_optional(pf, "_pf%u_net_app_id",
-					      NFP_APP_CORE_NIC);
-}
-
-static u8 __iomem *
-nfp_net_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);
+	return nfp_pf_rtsym_read_optional(pf, "_pf%u_net_app_id",
+					  NFP_APP_CORE_NIC);
 }
 
 static void nfp_net_pf_free_vnic(struct nfp_pf *pf, struct nfp_net *nn)
@@ -379,9 +346,8 @@ nfp_net_pf_app_init(struct nfp_pf *pf, u8 __iomem *qc_bar, unsigned int stride)
 	if (!nfp_app_needs_ctrl_vnic(pf->app))
 		return 0;
 
-	ctrl_bar = nfp_net_pf_map_rtsym(pf, "net.ctrl", "_pf%u_net_ctrl_bar",
-					NFP_PF_CSR_SLICE_SIZE,
-					&pf->ctrl_vnic_bar);
+	ctrl_bar = nfp_pf_map_rtsym(pf, "net.ctrl", "_pf%u_net_ctrl_bar",
+				    NFP_PF_CSR_SLICE_SIZE, &pf->ctrl_vnic_bar);
 	if (IS_ERR(ctrl_bar)) {
 		nfp_err(pf->cpp, "Failed to find ctrl vNIC memory symbol\n");
 		err = PTR_ERR(ctrl_bar);
@@ -507,8 +473,8 @@ static int nfp_net_pci_map_mem(struct nfp_pf *pf)
 	int err;
 
 	min_size = pf->max_data_vnics * NFP_PF_CSR_SLICE_SIZE;
-	mem = nfp_net_pf_map_rtsym(pf, "net.bar0", "_pf%d_net_bar0",
-				   min_size, &pf->data_vnic_bar);
+	mem = nfp_pf_map_rtsym(pf, "net.bar0", "_pf%d_net_bar0",
+			       min_size, &pf->data_vnic_bar);
 	if (IS_ERR(mem)) {
 		nfp_err(pf->cpp, "Failed to find data vNIC memory symbol\n");
 		return PTR_ERR(mem);
@@ -528,10 +494,9 @@ static int nfp_net_pci_map_mem(struct nfp_pf *pf)
 		}
 	}
 
-	pf->vf_cfg_mem = nfp_net_pf_map_rtsym(pf, "net.vfcfg",
-					      "_pf%d_net_vf_bar",
-					      NFP_NET_CFG_BAR_SZ *
-					      pf->limit_vfs, &pf->vf_cfg_bar);
+	pf->vf_cfg_mem = nfp_pf_map_rtsym(pf, "net.vfcfg", "_pf%d_net_vf_bar",
+					  NFP_NET_CFG_BAR_SZ * pf->limit_vfs,
+					  &pf->vf_cfg_bar);
 	if (IS_ERR(pf->vf_cfg_mem)) {
 		if (PTR_ERR(pf->vf_cfg_mem) != -ENOENT) {
 			err = PTR_ERR(pf->vf_cfg_mem);
@@ -541,9 +506,9 @@ static int nfp_net_pci_map_mem(struct nfp_pf *pf)
 	}
 
 	min_size = NFP_NET_VF_CFG_SZ * pf->limit_vfs + NFP_NET_VF_CFG_MB_SZ;
-	pf->vfcfg_tbl2 = nfp_net_pf_map_rtsym(pf, "net.vfcfg_tbl2",
-					      "_pf%d_net_vf_cfg2",
-					      min_size, &pf->vfcfg_tbl2_area);
+	pf->vfcfg_tbl2 = nfp_pf_map_rtsym(pf, "net.vfcfg_tbl2",
+					  "_pf%d_net_vf_cfg2",
+					  min_size, &pf->vfcfg_tbl2_area);
 	if (IS_ERR(pf->vfcfg_tbl2)) {
 		if (PTR_ERR(pf->vfcfg_tbl2) != -ENOENT) {
 			err = PTR_ERR(pf->vfcfg_tbl2);