From: Nava kishore Manne <nava.manne@xilinx.com> To: <robh+dt@kernel.org>, <michal.simek@xilinx.com>, <mdf@kernel.org>, <trix@redhat.com>, <nava.manne@xilinx.com>, <arnd@arndb.de>, <rajan.vaja@xilinx.com>, <gregkh@linuxfoundation.org>, <amit.sunil.dhamne@xilinx.com>, <tejas.patel@xilinx.com>, <zou_wei@huawei.com>, <lakshmi.sai.krishna.potthuri@xilinx.com>, <ravi.patel@xilinx.com>, <iwamatsu@nigauri.org>, <wendy.liang@xilinx.com>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <linux-fpga@vger.kernel.org>, <git@xilinx.com>, <chinnikishore369@gmail.com> Subject: [RFC v2 1/4] drivers: firmware: Add user encrypted key load API support Date: Wed, 9 Jun 2021 11:22:29 +0530 [thread overview] Message-ID: <20210609055232.4501-2-nava.manne@xilinx.com> (raw) In-Reply-To: <20210609055232.4501-1-nava.manne@xilinx.com> This patch adds user encrypted key load API to support User key encrypted images loading use cases from Linux. Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com> --- Changes for v2: -None. drivers/firmware/xilinx/zynqmp.c | 17 +++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 7 +++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 15b138326ecc..2fa5687a75f8 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -787,6 +787,23 @@ int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags) } EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_load); +/** + * zynqmp_pm_fpga_key_load - Perform to load the bitstream encrypted key + * @address: Address to write + * @size: encrypted key size + * + * This function provides access to pmufw. To transfer + * the required encrypted key. + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_fpga_enc_key_load(const u64 address, const u32 size) +{ + return zynqmp_pm_invoke_fn(PM_ENC_KEY_LOAD, lower_32_bits(address), + upper_32_bits(address), size, 0, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_enc_key_load); + /** * zynqmp_pm_fpga_get_status - Read value from PCAP status register * @value: Value to read diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 9d1a5c175065..7aa9ad40ff53 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -91,6 +91,7 @@ enum pm_api_id { PM_CLOCK_GETPARENT = 44, PM_SECURE_AES = 47, PM_FEATURE_CHECK = 63, + PM_ENC_KEY_LOAD = 64, }; /* PMU-FW return status codes */ @@ -411,6 +412,7 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param, u32 *value); int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, u32 value); +int zynqmp_pm_fpga_enc_key_load(const u64 address, const u32 size); #else static inline int zynqmp_pm_get_api_version(u32 *version) { @@ -622,6 +624,11 @@ static inline int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, { return -ENODEV; } + +static inline int zynqmp_pm_fpga_enc_key_load(const u64 address, const u32 size) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */ -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Nava kishore Manne <nava.manne@xilinx.com> To: <robh+dt@kernel.org>, <michal.simek@xilinx.com>, <mdf@kernel.org>, <trix@redhat.com>, <nava.manne@xilinx.com>, <arnd@arndb.de>, <rajan.vaja@xilinx.com>, <gregkh@linuxfoundation.org>, <amit.sunil.dhamne@xilinx.com>, <tejas.patel@xilinx.com>, <zou_wei@huawei.com>, <lakshmi.sai.krishna.potthuri@xilinx.com>, <ravi.patel@xilinx.com>, <iwamatsu@nigauri.org>, <wendy.liang@xilinx.com>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>, <linux-fpga@vger.kernel.org>, <git@xilinx.com>, <chinnikishore369@gmail.com> Subject: [RFC v2 1/4] drivers: firmware: Add user encrypted key load API support Date: Wed, 9 Jun 2021 11:22:29 +0530 [thread overview] Message-ID: <20210609055232.4501-2-nava.manne@xilinx.com> (raw) In-Reply-To: <20210609055232.4501-1-nava.manne@xilinx.com> This patch adds user encrypted key load API to support User key encrypted images loading use cases from Linux. Signed-off-by: Nava kishore Manne <nava.manne@xilinx.com> --- Changes for v2: -None. drivers/firmware/xilinx/zynqmp.c | 17 +++++++++++++++++ include/linux/firmware/xlnx-zynqmp.h | 7 +++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c index 15b138326ecc..2fa5687a75f8 100644 --- a/drivers/firmware/xilinx/zynqmp.c +++ b/drivers/firmware/xilinx/zynqmp.c @@ -787,6 +787,23 @@ int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags) } EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_load); +/** + * zynqmp_pm_fpga_key_load - Perform to load the bitstream encrypted key + * @address: Address to write + * @size: encrypted key size + * + * This function provides access to pmufw. To transfer + * the required encrypted key. + * + * Return: Returns status, either success or error+reason + */ +int zynqmp_pm_fpga_enc_key_load(const u64 address, const u32 size) +{ + return zynqmp_pm_invoke_fn(PM_ENC_KEY_LOAD, lower_32_bits(address), + upper_32_bits(address), size, 0, NULL); +} +EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_enc_key_load); + /** * zynqmp_pm_fpga_get_status - Read value from PCAP status register * @value: Value to read diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 9d1a5c175065..7aa9ad40ff53 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -91,6 +91,7 @@ enum pm_api_id { PM_CLOCK_GETPARENT = 44, PM_SECURE_AES = 47, PM_FEATURE_CHECK = 63, + PM_ENC_KEY_LOAD = 64, }; /* PMU-FW return status codes */ @@ -411,6 +412,7 @@ int zynqmp_pm_pinctrl_get_config(const u32 pin, const u32 param, u32 *value); int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, u32 value); +int zynqmp_pm_fpga_enc_key_load(const u64 address, const u32 size); #else static inline int zynqmp_pm_get_api_version(u32 *version) { @@ -622,6 +624,11 @@ static inline int zynqmp_pm_pinctrl_set_config(const u32 pin, const u32 param, { return -ENODEV; } + +static inline int zynqmp_pm_fpga_enc_key_load(const u64 address, const u32 size) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-09 5:53 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-09 5:52 [RFC v2 0/4]Fpga: adds support to load the user-key encrypted FPGA Image loading Nava kishore Manne 2021-06-09 5:52 ` Nava kishore Manne 2021-06-09 5:52 ` Nava kishore Manne [this message] 2021-06-09 5:52 ` [RFC v2 1/4] drivers: firmware: Add user encrypted key load API support Nava kishore Manne 2021-06-09 9:55 ` Greg KH 2021-06-09 9:55 ` Greg KH 2021-07-09 8:41 ` Nava kishore Manne 2021-07-09 8:41 ` Nava kishore Manne 2021-07-09 9:49 ` Greg KH 2021-07-09 9:49 ` Greg KH 2021-06-09 5:52 ` [RFC v2 2/4] fpga: Add new property to support user-key encrypted bitstream loading Nava kishore Manne 2021-06-09 5:52 ` Nava kishore Manne 2021-06-09 9:56 ` Greg KH 2021-06-09 9:56 ` Greg KH 2021-07-09 8:48 ` Nava kishore Manne 2021-07-09 8:48 ` Nava kishore Manne 2021-06-09 5:52 ` [RFC v2 3/4] drivers: fpga: Add user-key encrypted FPGA Image loading support Nava kishore Manne 2021-06-09 5:52 ` Nava kishore Manne 2021-06-09 5:52 ` [RFC v2 4/4] fpga: zynqmp: " Nava kishore Manne 2021-06-09 5:52 ` Nava kishore Manne 2021-06-09 9:55 ` [RFC v2 0/4]Fpga: adds support to load the user-key encrypted FPGA Image loading Greg KH 2021-06-09 9:55 ` Greg KH 2021-07-09 8:33 ` Nava kishore Manne 2021-07-09 8:33 ` Nava kishore Manne
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