[PATCH net-next 12/15] nfp: convert existing RTsym helpers to full target decoding

[Jakub Kicinski]

Make nfp_rtsym_{read,write}_le() and nfp_rtsym_map() use the new
target resolution helpers to allow accessing in-cache symbols.

Signed-off-by: Jakub Kicinski <jakub.kicin...@netronome.com>
Reviewed-by: Francois H. Theron <francois.the...@netronome.com>
---
 .../netronome/nfp/nfpcore/nfp_rtsym.c         | 28 +++++++++----------
 1 file changed, 14 insertions(+), 14 deletions(-)

diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c 
b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c
index 4d98905c0651..28e5ed0bb31d 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_rtsym.c
@@ -395,7 +395,7 @@ u64 nfp_rtsym_read_le(struct nfp_rtsym_table *rtbl, const 
char *name,
                      int *error)
 {
        const struct nfp_rtsym *sym;
-       u32 val32, id;
+       u32 val32;
        u64 val;
        int err;
 
@@ -405,15 +405,13 @@ u64 nfp_rtsym_read_le(struct nfp_rtsym_table *rtbl, const 
char *name,
                goto exit;
        }
 
-       id = NFP_CPP_ISLAND_ID(sym->target, NFP_CPP_ACTION_RW, 0, sym->domain);
-
        switch (sym->size) {
        case 4:
-               err = nfp_cpp_readl(rtbl->cpp, id, sym->addr, &val32);
+               err = nfp_rtsym_readl(rtbl->cpp, sym, 0, &val32);
                val = val32;
                break;
        case 8:
-               err = nfp_cpp_readq(rtbl->cpp, id, sym->addr, &val);
+               err = nfp_rtsym_readq(rtbl->cpp, sym, 0, &val);
                break;
        default:
                nfp_err(rtbl->cpp,
@@ -449,20 +447,17 @@ int nfp_rtsym_write_le(struct nfp_rtsym_table *rtbl, 
const char *name,
 {
        const struct nfp_rtsym *sym;
        int err;
-       u32 id;
 
        sym = nfp_rtsym_lookup(rtbl, name);
        if (!sym)
                return -ENOENT;
 
-       id = NFP_CPP_ISLAND_ID(sym->target, NFP_CPP_ACTION_RW, 0, sym->domain);
-
        switch (sym->size) {
        case 4:
-               err = nfp_cpp_writel(rtbl->cpp, id, sym->addr, value);
+               err = nfp_rtsym_writel(rtbl->cpp, sym, 0, value);
                break;
        case 8:
-               err = nfp_cpp_writeq(rtbl->cpp, id, sym->addr, value);
+               err = nfp_rtsym_writeq(rtbl->cpp, sym, 0, value);
                break;
        default:
                nfp_err(rtbl->cpp,
@@ -482,21 +477,26 @@ nfp_rtsym_map(struct nfp_rtsym_table *rtbl, const char 
*name, const char *id,
        const struct nfp_rtsym *sym;
        u8 __iomem *mem;
        u32 cpp_id;
+       u64 addr;
+       int err;
 
        sym = nfp_rtsym_lookup(rtbl, name);
        if (!sym)
                return (u8 __iomem *)ERR_PTR(-ENOENT);
 
-       cpp_id = NFP_CPP_ISLAND_ID(sym->target, NFP_CPP_ACTION_RW, 0,
-                                  sym->domain);
+       err = nfp_rtsym_to_dest(rtbl->cpp, sym, NFP_CPP_ACTION_RW, 0, 0,
+                               &cpp_id, &addr);
+       if (err) {
+               nfp_err(rtbl->cpp, "Symbol %s mapping failed\n", name);
+               return (u8 __iomem *)ERR_PTR(err);
+       }
 
        if (sym->size < min_size) {
                nfp_err(rtbl->cpp, "Symbol %s too small\n", name);
                return (u8 __iomem *)ERR_PTR(-EINVAL);
        }
 
-       mem = nfp_cpp_map_area(rtbl->cpp, id, cpp_id, sym->addr,
-                              sym->size, area);
+       mem = nfp_cpp_map_area(rtbl->cpp, id, cpp_id, addr, sym->size, area);
        if (IS_ERR(mem)) {
                nfp_err(rtbl->cpp, "Failed to map symbol %s: %ld\n",
                        name, PTR_ERR(mem));
-- 
2.17.1