linux-kernel - [PATCH] crypto: octeontx2: add firmware version in devlink info

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Message-ID: <421b1fbe94a82e678887260f768478c11daa1e32.1653589007.git.sthotton@marvell.com>
Date:   Fri, 27 May 2022 13:24:48 +0530
From:   Shijith Thotton <sthotton@...vell.com>
To:     Arnaud Ebalard <arno@...isbad.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Boris Brezillon <bbrezillon@...nel.org>
CC:     Shijith Thotton <sthotton@...vell.com>,
        <linux-crypto@...r.kernel.org>, <jerinj@...vell.com>,
        <sgoutham@...vell.com>, Srujana Challa <schalla@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Kees Cook <keescook@...omium.org>,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: [PATCH] crypto: octeontx2: add firmware version in devlink info

Added running firmware version information of AE, SE and IE components
in devlink info.

Signed-off-by: Shijith Thotton <sthotton@...vell.com>
---
 .../marvell/octeontx2/otx2_cpt_devlink.c      | 40 ++++++++++++++++++-
 .../marvell/octeontx2/otx2_cptpf_ucode.c      |  2 +-
 .../marvell/octeontx2/otx2_cptpf_ucode.h      |  3 ++
 3 files changed, 42 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/marvell/octeontx2/otx2_cpt_devlink.c b/drivers/crypto/marvell/octeontx2/otx2_cpt_devlink.c
index bb02e0db3615..7503f6b18ac5 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cpt_devlink.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cpt_devlink.c
@@ -51,11 +51,47 @@ static const struct devlink_param otx2_cpt_dl_params[] = {
 			     NULL),
 };
 
-static int otx2_cpt_devlink_info_get(struct devlink *devlink,
+static int otx2_cpt_dl_info_firmware_version_put(struct devlink_info_req *req,
+						 struct otx2_cpt_eng_grp_info grp[],
+						 const char *ver_name, int eng_type)
+{
+	struct otx2_cpt_engs_rsvd *eng;
+	int i;
+
+	for (i = 0; i < OTX2_CPT_MAX_ENGINE_GROUPS; i++) {
+		eng = find_engines_by_type(&grp[i], eng_type);
+		if (eng)
+			return devlink_info_version_running_put(req, ver_name,
+								eng->ucode->ver_str);
+	}
+
+	return 0;
+}
+
+static int otx2_cpt_devlink_info_get(struct devlink *dl,
 				     struct devlink_info_req *req,
 				     struct netlink_ext_ack *extack)
 {
-	return devlink_info_driver_name_put(req, "rvu_cptpf");
+	struct otx2_cpt_devlink *cpt_dl = devlink_priv(dl);
+	struct otx2_cptpf_dev *cptpf = cpt_dl->cptpf;
+	int err;
+
+	err = devlink_info_driver_name_put(req, "rvu_cptpf");
+	if (err)
+		return err;
+
+	err = otx2_cpt_dl_info_firmware_version_put(req, cptpf->eng_grps.grp,
+						    "fw.ae", OTX2_CPT_AE_TYPES);
+	if (err)
+		return err;
+
+	err = otx2_cpt_dl_info_firmware_version_put(req, cptpf->eng_grps.grp,
+						    "fw.se", OTX2_CPT_SE_TYPES);
+	if (err)
+		return err;
+
+	return otx2_cpt_dl_info_firmware_version_put(req, cptpf->eng_grps.grp,
+						    "fw.ie", OTX2_CPT_IE_TYPES);
 }
 
 static const struct devlink_ops otx2_cpt_devlink_ops = {
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
index 9cba2f714c7e..46ffb7ae982c 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.c
@@ -476,7 +476,7 @@ static int cpt_ucode_load_fw(struct pci_dev *pdev, struct fw_info_t *fw_info)
 	return ret;
 }
 
-static struct otx2_cpt_engs_rsvd *find_engines_by_type(
+struct otx2_cpt_engs_rsvd *find_engines_by_type(
 					struct otx2_cpt_eng_grp_info *eng_grp,
 					int eng_type)
 {
diff --git a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h
index 8f4d4e5f531a..e69320a54b5d 100644
--- a/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h
+++ b/drivers/crypto/marvell/octeontx2/otx2_cptpf_ucode.h
@@ -166,4 +166,7 @@ int otx2_cpt_dl_custom_egrp_create(struct otx2_cptpf_dev *cptpf,
 int otx2_cpt_dl_custom_egrp_delete(struct otx2_cptpf_dev *cptpf,
 				   struct devlink_param_gset_ctx *ctx);
 void otx2_cpt_print_uc_dbg_info(struct otx2_cptpf_dev *cptpf);
+struct otx2_cpt_engs_rsvd *find_engines_by_type(
+					struct otx2_cpt_eng_grp_info *eng_grp,
+					int eng_type);
 #endif /* __OTX2_CPTPF_UCODE_H */
-- 
2.25.1