From: Christophe Ricard <christophe.ricard@gmail.com>
Date: Wed, 12 Nov 2014 23:30:38 +0000 (+0100)
Subject: NFC: nci: Add se_io NCI operand
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a688bf55c5908d2206307a9f76d31172ee2b2d92;p=linux-beck.git

NFC: nci: Add se_io NCI operand

se_io allows to send apdu over the CLF to the embedded Secure Element.

Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
---

diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h
index dd97dd7176e5..9e51bb4d841e 100644
--- a/include/net/nfc/nci_core.h
+++ b/include/net/nfc/nci_core.h
@@ -75,6 +75,9 @@ struct nci_ops {
 	int   (*discover_se)(struct nci_dev *ndev);
 	int   (*disable_se)(struct nci_dev *ndev, u32 se_idx);
 	int   (*enable_se)(struct nci_dev *ndev, u32 se_idx);
+	int   (*se_io)(struct nci_dev *ndev, u32 se_idx,
+				u8 *apdu, size_t apdu_length,
+				se_io_cb_t cb, void *cb_context);
 };
 
 #define NCI_MAX_SUPPORTED_RF_INTERFACES		4
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index bcb70a6b17cd..552b13ba7b32 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -774,6 +774,19 @@ static int nci_discover_se(struct nfc_dev *nfc_dev)
 	return 0;
 }
 
+static int nci_se_io(struct nfc_dev *nfc_dev, u32 se_idx,
+		     u8 *apdu, size_t apdu_length,
+		     se_io_cb_t cb, void *cb_context)
+{
+	struct nci_dev *ndev = nfc_get_drvdata(nfc_dev);
+
+	if (ndev->ops->se_io)
+		return ndev->ops->se_io(ndev, se_idx, apdu,
+				apdu_length, cb, cb_context);
+
+	return 0;
+}
+
 static struct nfc_ops nci_nfc_ops = {
 	.dev_up = nci_dev_up,
 	.dev_down = nci_dev_down,
@@ -788,6 +801,7 @@ static struct nfc_ops nci_nfc_ops = {
 	.enable_se = nci_enable_se,
 	.disable_se = nci_disable_se,
 	.discover_se = nci_discover_se,
+	.se_io = nci_se_io,
 };
 
 /* ---- Interface to NCI drivers ---- */