nfp: convert all RTsym users to use new read/write helpers

Convert all users of RTsym to the new set of helpers which
handle all targets correctly.
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Francois H. Theron <francois.theron@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/netronome/nfp/abm/ctrl.c

@@ -55,30 +55,21 @@
 #define NFP_QMSTAT_DROP		16
 #define NFP_QMSTAT_ECN		24
 
-static unsigned long long
-nfp_abm_q_lvl_thrs(struct nfp_abm_link *alink, unsigned int queue)
-{
-	return alink->abm->q_lvls->addr +
-		(alink->queue_base + queue) * NFP_QLVL_STRIDE + NFP_QLVL_THRS;
-}
-
 static int
 nfp_abm_ctrl_stat(struct nfp_abm_link *alink, const struct nfp_rtsym *sym,
 		  unsigned int stride, unsigned int offset, unsigned int i,
 		  bool is_u64, u64 *res)
 {
 	struct nfp_cpp *cpp = alink->abm->app->cpp;
-	u32 val32, mur;
-	u64 val, addr;
+	u64 val, sym_offset;
+	u32 val32;
 	int err;
 
-	mur = NFP_CPP_ATOMIC_RD(sym->target, sym->domain);
-
-	addr = sym->addr + (alink->queue_base + i) * stride + offset;
+	sym_offset = (alink->queue_base + i) * stride + offset;
 	if (is_u64)
-		err = nfp_cpp_readq(cpp, mur, addr, &val);
+		err = __nfp_rtsym_readq(cpp, sym, 3, 0, sym_offset, &val);
 	else
-		err = nfp_cpp_readl(cpp, mur, addr, &val32);
+		err = __nfp_rtsym_readl(cpp, sym, 3, 0, sym_offset, &val32);
 	if (err) {
 		nfp_err(cpp,
 			"RED offload reading stat failed on vNIC %d queue %d\n",
@@ -114,13 +105,12 @@ nfp_abm_ctrl_stat_all(struct nfp_abm_link *alink, const struct nfp_rtsym *sym,
 int nfp_abm_ctrl_set_q_lvl(struct nfp_abm_link *alink, unsigned int i, u32 val)
 {
 	struct nfp_cpp *cpp = alink->abm->app->cpp;
-	u32 muw;
+	u64 sym_offset;
 	int err;
 
-	muw = NFP_CPP_ATOMIC_WR(alink->abm->q_lvls->target,
-				alink->abm->q_lvls->domain);
-
-	err = nfp_cpp_writel(cpp, muw, nfp_abm_q_lvl_thrs(alink, i), val);
+	sym_offset = (alink->queue_base + i) * NFP_QLVL_STRIDE + NFP_QLVL_THRS;
+	err = __nfp_rtsym_writel(cpp, alink->abm->q_lvls, 4, 0,
+				 sym_offset, val);
 	if (err) {
 		nfp_err(cpp, "RED offload setting level failed on vNIC %d queue %d\n",
 			alink->id, i);

drivers/net/ethernet/netronome/nfp/nfp_main.c

@@ -116,23 +116,18 @@ nfp_pf_map_rtsym(struct nfp_pf *pf, const char *name, const char *sym_fmt,
 int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
 		 void *out_data, u64 out_length)
 {
-	unsigned long long addr;
 	unsigned long err_at;
 	u64 max_data_sz;
 	u32 val = 0;
-	u32 cpp_id;
 	int n, err;
 
 	if (!pf->mbox)
 		return -EOPNOTSUPP;
 
-	cpp_id = NFP_CPP_ISLAND_ID(pf->mbox->target, NFP_CPP_ACTION_RW, 0,
-				   pf->mbox->domain);
-	addr = pf->mbox->addr;
 	max_data_sz = pf->mbox->size - NFP_MBOX_SYM_MIN_SIZE;
 
 	/* Check if cmd field is clear */
-	err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, &val);
+	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);
@@ -140,30 +135,29 @@ int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
 	}
 
 	in_length = min(in_length, max_data_sz);
-	n = nfp_cpp_write(pf->cpp, cpp_id, addr + NFP_MBOX_DATA,
-			  in_data, in_length);
+	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_cpp_writeq(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN,
-			     in_length);
+	err = nfp_rtsym_writeq(pf->cpp, pf->mbox, NFP_MBOX_DATA_LEN, in_length);
 	if (err)
 		return err;
 
 	/* Read back for ordering */
-	err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, &val);
+	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_cpp_writeq(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, cmd);
+	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_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_CMD, &val);
+		err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_CMD, &val);
 		if (err)
 			return err;
 		if (!val)
@@ -176,18 +170,18 @@ int nfp_mbox_cmd(struct nfp_pf *pf, u32 cmd, void *in_data, u64 in_length,
 	}
 
 	/* Copy output if any (could be error info, do it before reading ret) */
-	err = nfp_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_DATA_LEN, &val);
+	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_cpp_read(pf->cpp, cpp_id, addr + NFP_MBOX_DATA,
+	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_cpp_readl(pf->cpp, cpp_id, addr + NFP_MBOX_RET, &val);
+	err = nfp_rtsym_readl(pf->cpp, pf->mbox, NFP_MBOX_RET, &val);
 	if (err)
 		return err;
 	if (val)

drivers/net/ethernet/netronome/nfp/nfp_net_debugdump.c

@@ -188,7 +188,6 @@ nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl)
 	const struct nfp_rtsym *specsym;
 	struct nfp_dumpspec *dumpspec;
 	int bytes_read;
-	u32 cpp_id;
 
 	specsym = nfp_rtsym_lookup(rtbl, NFP_DUMP_SPEC_RTSYM);
 	if (!specsym)
@@ -201,10 +200,7 @@ nfp_net_dump_load_dumpspec(struct nfp_cpp *cpp, struct nfp_rtsym_table *rtbl)
 
 	dumpspec->size = specsym->size;
 
-	cpp_id = NFP_CPP_ISLAND_ID(specsym->target, NFP_CPP_ACTION_RW, 0,
-				   specsym->domain);
-
-	bytes_read = nfp_cpp_read(cpp, cpp_id, specsym->addr, dumpspec->data,
+	bytes_read = nfp_rtsym_read(cpp, specsym, 0, dumpspec->data,
 				    specsym->size);
 	if (bytes_read != specsym->size) {
 		vfree(dumpspec);
@@ -644,7 +640,6 @@ nfp_dump_single_rtsym(struct nfp_pf *pf, struct nfp_dumpspec_rtsym *spec,
 	const struct nfp_rtsym *sym;
 	u32 tl_len, key_len;
 	int bytes_read;
-	u32 cpp_id;
 	void *dest;
 	int err;
 
@@ -683,11 +678,9 @@ nfp_dump_single_rtsym(struct nfp_pf *pf, struct nfp_dumpspec_rtsym *spec,
 		cpp_params.action = NFP_CPP_ACTION_RW;
 		cpp_params.token  = 0;
 		cpp_params.island = sym->domain;
-		cpp_id = nfp_get_numeric_cpp_id(&cpp_params);
 		dump_header->cpp.cpp_id = cpp_params;
 		dump_header->cpp.offset = cpu_to_be32(sym->addr);
-		bytes_read = nfp_cpp_read(pf->cpp, cpp_id, sym->addr, dest,
-					  sym_size);
+		bytes_read = nfp_rtsym_read(pf->cpp, sym, 0, dest, sym_size);
 		if (bytes_read != sym_size) {
 			if (bytes_read >= 0)
 				bytes_read = -EIO;