msm: ipa: Add API support for getting IPA SMMU status
for WLAN
This is an API for getting IPA SMMU status, this API
will currently report if IPA SMMU is enabled or not
for WLAN Context Bank.
Change-Id: I9dec309c74043e259aa01ba9a49d9537e9d92208
Acked-by: Jyothi Jayanthi <jyothij@qti.qualcomm.com>
Signed-off-by: Michael Adisumarta <madisuma@codeaurora.org>
diff --git a/include/linux/ipa.h b/include/linux/ipa.h
index dd6849d..405aed5 100644
--- a/include/linux/ipa.h
+++ b/include/linux/ipa.h
@@ -1175,6 +1175,28 @@
u64 size;
};
+/**
+ * struct ipa_smmu_in_params - information provided from client
+ * @ipa_smmu_client_type: clinet requesting for the smmu info.
+ */
+
+enum ipa_smmu_client_type {
+ IPA_SMMU_WLAN_CLIENT,
+ IPA_SMMU_CLIENT_MAX
+};
+
+struct ipa_smmu_in_params {
+ enum ipa_smmu_client_type smmu_client;
+};
+
+/**
+ * struct ipa_smmu_out_params - information provided to IPA client
+ * @ipa_smmu_s1_enable: IPA S1 SMMU enable/disable status
+ */
+struct ipa_smmu_out_params {
+ bool smmu_enable;
+};
+
#if defined CONFIG_IPA || defined CONFIG_IPA3
/*
@@ -1564,6 +1586,9 @@
*/
int ipa_tz_unlock_reg(struct ipa_tz_unlock_reg_info *reg_info, u16 num_regs);
+int ipa_get_smmu_params(struct ipa_smmu_in_params *in,
+ struct ipa_smmu_out_params *out);
+
#else /* (CONFIG_IPA || CONFIG_IPA3) */
/*
@@ -2351,6 +2376,12 @@
return -EPERM;
}
+
+static inline int ipa_get_smmu_params(struct ipa_smmu_in_params *in,
+ struct ipa_smmu_out_params *out)
+{
+ return -EPERM;
+}
#endif /* (CONFIG_IPA || CONFIG_IPA3) */
#endif /* _IPA_H_ */