diff --git a/drivers/tegra/hwpm/include/tegra_hwpm.h b/drivers/tegra/hwpm/include/tegra_hwpm.h
index af6e4e6..e468dad 100644
--- a/drivers/tegra/hwpm/include/tegra_hwpm.h
+++ b/drivers/tegra/hwpm/include/tegra_hwpm.h
@@ -146,6 +146,12 @@ struct tegra_hwpm_ip_ops {
 				enum tegra_soc_hwpm_ip_reg_op reg_op,
 				u32 inst_element_index, u64 reg_offset,
 				u32 *reg_data);
+	/*
+	 * fd - is used to store the
+	 * file descriptor of the IP devctl node
+	 * in QNX
+	 */
+	int fd;
 };
 
 /* There are 3 types of HWPM components/apertures */
diff --git a/drivers/tegra/hwpm/include/tegra_hwpm_aperture.h b/drivers/tegra/hwpm/include/tegra_hwpm_aperture.h
index 9f6e50f..a9314d6 100644
--- a/drivers/tegra/hwpm/include/tegra_hwpm_aperture.h
+++ b/drivers/tegra/hwpm/include/tegra_hwpm_aperture.h
@@ -27,26 +27,7 @@
 #ifdef __KERNEL__
 #include <os/linux/aperture_utils.h>
 #else
-int tegra_hwpm_perfmon_reserve_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_inst *ip_inst, struct hwpm_ip_aperture *perfmon)
-{
-	return -EINVAL;
-}
-int tegra_hwpm_perfmux_reserve_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_inst *ip_inst, struct hwpm_ip_aperture *perfmux)
-{
-	return -EINVAL;
-}
-int tegra_hwpm_perfmon_release_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_aperture *perfmon)
-{
-	return -EINVAL;
-}
-int tegra_hwpm_perfmux_release_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_aperture *perfmux)
-{
-	return -EINVAL;
-}
+#include <os/qnx/aperture_utils.h>
 #endif
 
 #define tegra_hwpm_perfmon_reserve(hwpm, ip_inst, perfmon)	\
diff --git a/drivers/tegra/hwpm/include/tegra_hwpm_io.h b/drivers/tegra/hwpm/include/tegra_hwpm_io.h
index f4a8af7..8096b9f 100644
--- a/drivers/tegra/hwpm/include/tegra_hwpm_io.h
+++ b/drivers/tegra/hwpm/include/tegra_hwpm_io.h
@@ -62,37 +62,7 @@ static inline u32 get_field(u32 input_data, u32 mask)
 #ifdef __KERNEL__
 #include <os/linux/io_utils.h>
 #else
-int tegra_hwpm_read_sticky_bits_impl(struct tegra_soc_hwpm *hwpm,
-	u64 reg_base, u64 reg_offset, u32 *val)
-{
-	return -EINVAL;
-}
-
-int tegra_hwpm_readl_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_aperture *aperture, u64 addr, u32 *val)
-{
-	return -EINVAL;
-}
-
-int tegra_hwpm_writel_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_aperture *aperture, u64 addr, u32 val)
-{
-	return -EINVAL;
-}
-
-int tegra_hwpm_regops_readl_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_inst *ip_inst, struct hwpm_ip_aperture *aperture,
-	u64 addr, u32 *val)
-{
-	return -EINVAL;
-}
-
-int tegra_hwpm_regops_writel_impl(struct tegra_soc_hwpm *hwpm,
-	struct hwpm_ip_inst *ip_inst, struct hwpm_ip_aperture *aperture,
-	u64 addr, u32 val)
-{
-	return -EINVAL;
-}
+#include <os/qnx/io_utils.h>
 #endif
 
 #define tegra_hwpm_read_sticky_bits(hwpm, reg_base, reg_offset, val) \
diff --git a/drivers/tegra/hwpm/include/tegra_hwpm_ip.h b/drivers/tegra/hwpm/include/tegra_hwpm_ip.h
index a6408ec..5c92154 100644
--- a/drivers/tegra/hwpm/include/tegra_hwpm_ip.h
+++ b/drivers/tegra/hwpm/include/tegra_hwpm_ip.h
@@ -26,14 +26,11 @@
 
 #ifdef __KERNEL__
 #include <os/linux/ip_utils.h>
-#else
-int tegra_hwpm_complete_ip_register_impl(struct tegra_soc_hwpm *hwpm)
-{
-	return -EINVAL;
-}
-#endif
 
 #define tegra_hwpm_complete_ip_register(hwpm)	\
 	tegra_hwpm_complete_ip_register_impl(hwpm)
+#else
+#include <os/qnx/ip_utils.h>
+#endif
 
 #endif /* TEGRA_HWPM_IP_H */
diff --git a/drivers/tegra/hwpm/include/tegra_hwpm_soc.h b/drivers/tegra/hwpm/include/tegra_hwpm_soc.h
index ff3f9c9..93fe615 100644
--- a/drivers/tegra/hwpm/include/tegra_hwpm_soc.h
+++ b/drivers/tegra/hwpm/include/tegra_hwpm_soc.h
@@ -46,56 +46,23 @@ struct hwpm_soc_chip_info {
 #ifdef __KERNEL__
 #include <os/linux/soc_utils.h>
 #else
-u32 tegra_hwpm_get_chip_id_impl(void)
-{
-	return 0U;
-}
+#include <os/qnx/soc_utils.h>
+#define CHIP_ID_UNKNOWN                 0x0U
+#define CHIP_ID_REV_UNKNOWN             0x0U
 
-u32 tegra_hwpm_get_major_rev_impl(void)
-{
-	return 0U;
-}
+#define PLAT_SI                         0x0
+#define PLAT_PRE_SI_QT                  0x1
+#define PLAT_PRE_SI_VDK                 0x8
+#define PLAT_PRE_SI_VSP                 0x9
+#define PLAT_INVALID                    0xF
 
-u32 tegra_hwpm_chip_get_revision_impl(void)
-{
-	return 0U;
-}
+#define TEGRA_FUSE_PRODUCTION_MODE 0x0
 
-u32 tegra_hwpm_get_platform_impl(void)
-{
-	return 0U;
-}
-
-bool tegra_hwpm_is_platform_simulation_impl(void)
-{
-	return false;
-}
-
-bool tegra_hwpm_is_platform_vsp_impl(void)
-{
-	return false;
-}
-
-bool tegra_hwpm_is_platform_silicon_impl(void)
-{
-	return true;
-}
-
-bool tegra_hwpm_is_hypervisor_mode_impl(void)
-{
-	return false;
-}
-
-int tegra_hwpm_fuse_readl_impl(struct tegra_soc_hwpm *hwpm,
-	u64 reg_offset, u32 *val)
-{
-	return -EINVAL;
-}
-
-int tegra_hwpm_fuse_readl_prod_mode_impl(struct tegra_soc_hwpm *hwpm, u32 *val)
-{
-	return -EINVAL;
-}
+struct hwpm_soc_chip_info {
+        u32 chip_id;
+        u32 chip_id_rev;
+        u32 platform;
+};
 
 #endif