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authorLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
committerLibravatar Linus Torvalds <torvalds@linux-foundation.org>2023-02-21 18:24:12 -0800
commit5b7c4cabbb65f5c469464da6c5f614cbd7f730f2 (patch)
treecc5c2d0a898769fd59549594fedb3ee6f84e59a0 /drivers/crypto/rockchip/rk3288_crypto.h
downloadlinux-5b7c4cabbb65f5c469464da6c5f614cbd7f730f2.tar.gz
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Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted
Pull networking updates from Jakub Kicinski: "Core: - Add dedicated kmem_cache for typical/small skb->head, avoid having to access struct page at kfree time, and improve memory use. - Introduce sysctl to set default RPS configuration for new netdevs. - Define Netlink protocol specification format which can be used to describe messages used by each family and auto-generate parsers. Add tools for generating kernel data structures and uAPI headers. - Expose all net/core sysctls inside netns. - Remove 4s sleep in netpoll if carrier is instantly detected on boot. - Add configurable limit of MDB entries per port, and port-vlan. - Continue populating drop reasons throughout the stack. - Retire a handful of legacy Qdiscs and classifiers. Protocols: - Support IPv4 big TCP (TSO frames larger than 64kB). - Add IP_LOCAL_PORT_RANGE socket option, to control local port range on socket by socket basis. - Track and report in procfs number of MPTCP sockets used. - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path manager. - IPv6: don't check net.ipv6.route.max_size and rely on garbage collection to free memory (similarly to IPv4). - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986). - ICMP: add per-rate limit counters. - Add support for user scanning requests in ieee802154. - Remove static WEP support. - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate reporting. - WiFi 7 EHT channel puncturing support (client & AP). BPF: - Add a rbtree data structure following the "next-gen data structure" precedent set by recently added linked list, that is, by using kfunc + kptr instead of adding a new BPF map type. - Expose XDP hints via kfuncs with initial support for RX hash and timestamp metadata. - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to better support decap on GRE tunnel devices not operating in collect metadata. - Improve x86 JIT's codegen for PROBE_MEM runtime error checks. - Remove the need for trace_printk_lock for bpf_trace_printk and bpf_trace_vprintk helpers. - Extend libbpf's bpf_tracing.h support for tracing arguments of kprobes/uprobes and syscall as a special case. - Significantly reduce the search time for module symbols by livepatch and BPF. - Enable cpumasks to be used as kptrs, which is useful for tracing programs tracking which tasks end up running on which CPUs in different time intervals. - Add support for BPF trampoline on s390x and riscv64. - Add capability to export the XDP features supported by the NIC. - Add __bpf_kfunc tag for marking kernel functions as kfuncs. - Add cgroup.memory=nobpf kernel parameter option to disable BPF memory accounting for container environments. Netfilter: - Remove the CLUSTERIP target. It has been marked as obsolete for years, and we still have WARN splats wrt races of the out-of-band /proc interface installed by this target. - Add 'destroy' commands to nf_tables. They are identical to the existing 'delete' commands, but do not return an error if the referenced object (set, chain, rule...) did not exist. Driver API: - Improve cpumask_local_spread() locality to help NICs set the right IRQ affinity on AMD platforms. - Separate C22 and C45 MDIO bus transactions more clearly. - Introduce new DCB table to control DSCP rewrite on egress. - Support configuration of Physical Layer Collision Avoidance (PLCA) Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of shared medium Ethernet. - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing preemption of low priority frames by high priority frames. - Add support for controlling MACSec offload using netlink SET. - Rework devlink instance refcounts to allow registration and de-registration under the instance lock. Split the code into multiple files, drop some of the unnecessarily granular locks and factor out common parts of netlink operation handling. - Add TX frame aggregation parameters (for USB drivers). - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning messages with notifications for debug. - Allow offloading of UDP NEW connections via act_ct. - Add support for per action HW stats in TC. - Support hardware miss to TC action (continue processing in SW from a specific point in the action chain). - Warn if old Wireless Extension user space interface is used with modern cfg80211/mac80211 drivers. Do not support Wireless Extensions for Wi-Fi 7 devices at all. Everyone should switch to using nl80211 interface instead. - Improve the CAN bit timing configuration. Use extack to return error messages directly to user space, update the SJW handling, including the definition of a new default value that will benefit CAN-FD controllers, by increasing their oscillator tolerance. New hardware / drivers: - Ethernet: - nVidia BlueField-3 support (control traffic driver) - Ethernet support for imx93 SoCs - Motorcomm yt8531 gigabit Ethernet PHY - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA) - Microchip LAN8841 PHY (incl. cable diagnostics and PTP) - Amlogic gxl MDIO mux - WiFi: - RealTek RTL8188EU (rtl8xxxu) - Qualcomm Wi-Fi 7 devices (ath12k) - CAN: - Renesas R-Car V4H Drivers: - Bluetooth: - Set Per Platform Antenna Gain (PPAG) for Intel controllers. - Ethernet NICs: - Intel (1G, igc): - support TSN / Qbv / packet scheduling features of i226 model - Intel (100G, ice): - use GNSS subsystem instead of TTY - multi-buffer XDP support - extend support for GPIO pins to E823 devices - nVidia/Mellanox: - update the shared buffer configuration on PFC commands - implement PTP adjphase function for HW offset control - TC support for Geneve and GRE with VF tunnel offload - more efficient crypto key management method - multi-port eswitch support - Netronome/Corigine: - add DCB IEEE support - support IPsec offloading for NFP3800 - Freescale/NXP (enetc): - support XDP_REDIRECT for XDP non-linear buffers - improve reconfig, avoid link flap and waiting for idle - support MAC Merge layer - Other NICs: - sfc/ef100: add basic devlink support for ef100 - ionic: rx_push mode operation (writing descriptors via MMIO) - bnxt: use the auxiliary bus abstraction for RDMA - r8169: disable ASPM and reset bus in case of tx timeout - cpsw: support QSGMII mode for J721e CPSW9G - cpts: support pulse-per-second output - ngbe: add an mdio bus driver - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing - r8152: handle devices with FW with NCM support - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation - virtio-net: support multi buffer XDP - virtio/vsock: replace virtio_vsock_pkt with sk_buff - tsnep: XDP support - Ethernet high-speed switches: - nVidia/Mellanox (mlxsw): - add support for latency TLV (in FW control messages) - Microchip (sparx5): - separate explicit and implicit traffic forwarding rules, make the implicit rules always active - add support for egress DSCP rewrite - IS0 VCAP support (Ingress Classification) - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS etc.) - ES2 VCAP support (Egress Access Control) - support for Per-Stream Filtering and Policing (802.1Q, 8.6.5.1) - Ethernet embedded switches: - Marvell (mv88e6xxx): - add MAB (port auth) offload support - enable PTP receive for mv88e6390 - NXP (ocelot): - support MAC Merge layer - support for the the vsc7512 internal copper phys - Microchip: - lan9303: convert to PHYLINK - lan966x: support TC flower filter statistics - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x - lan937x: support Credit Based Shaper configuration - ksz9477: support Energy Efficient Ethernet - other: - qca8k: convert to regmap read/write API, use bulk operations - rswitch: Improve TX timestamp accuracy - Intel WiFi (iwlwifi): - EHT (Wi-Fi 7) rate reporting - STEP equalizer support: transfer some STEP (connection to radio on platforms with integrated wifi) related parameters from the BIOS to the firmware. - Qualcomm 802.11ax WiFi (ath11k): - IPQ5018 support - Fine Timing Measurement (FTM) responder role support - channel 177 support - MediaTek WiFi (mt76): - per-PHY LED support - mt7996: EHT (Wi-Fi 7) support - Wireless Ethernet Dispatch (WED) reset support - switch to using page pool allocator - RealTek WiFi (rtw89): - support new version of Bluetooth co-existance - Mobile: - rmnet: support TX aggregation" * tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits) page_pool: add a comment explaining the fragment counter usage net: ethtool: fix __ethtool_dev_mm_supported() implementation ethtool: pse-pd: Fix double word in comments xsk: add linux/vmalloc.h to xsk.c sefltests: netdevsim: wait for devlink instance after netns removal selftest: fib_tests: Always cleanup before exit net/mlx5e: Align IPsec ASO result memory to be as required by hardware net/mlx5e: TC, Set CT miss to the specific ct action instance net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG net/mlx5: Refactor tc miss handling to a single function net/mlx5: Kconfig: Make tc offload depend on tc skb extension net/sched: flower: Support hardware miss to tc action net/sched: flower: Move filter handle initialization earlier net/sched: cls_api: Support hardware miss to tc action net/sched: Rename user cookie and act cookie sfc: fix builds without CONFIG_RTC_LIB sfc: clean up some inconsistent indentings net/mlx4_en: Introduce flexible array to silence overflow warning net: lan966x: Fix possible deadlock inside PTP net/ulp: Remove redundant ->clone() test in inet_clone_ulp(). ...
Diffstat (limited to 'drivers/crypto/rockchip/rk3288_crypto.h')
-rw-r--r--drivers/crypto/rockchip/rk3288_crypto.h290
1 files changed, 290 insertions, 0 deletions
diff --git a/drivers/crypto/rockchip/rk3288_crypto.h b/drivers/crypto/rockchip/rk3288_crypto.h
new file mode 100644
index 000000000..b2695258c
--- /dev/null
+++ b/drivers/crypto/rockchip/rk3288_crypto.h
@@ -0,0 +1,290 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __RK3288_CRYPTO_H__
+#define __RK3288_CRYPTO_H__
+
+#include <crypto/aes.h>
+#include <crypto/internal/des.h>
+#include <crypto/algapi.h>
+#include <linux/dma-mapping.h>
+#include <linux/interrupt.h>
+#include <linux/debugfs.h>
+#include <linux/delay.h>
+#include <linux/pm_runtime.h>
+#include <linux/scatterlist.h>
+#include <crypto/engine.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/skcipher.h>
+
+#include <crypto/md5.h>
+#include <crypto/sha1.h>
+#include <crypto/sha2.h>
+
+#define _SBF(v, f) ((v) << (f))
+
+/* Crypto control registers*/
+#define RK_CRYPTO_INTSTS 0x0000
+#define RK_CRYPTO_PKA_DONE_INT BIT(5)
+#define RK_CRYPTO_HASH_DONE_INT BIT(4)
+#define RK_CRYPTO_HRDMA_ERR_INT BIT(3)
+#define RK_CRYPTO_HRDMA_DONE_INT BIT(2)
+#define RK_CRYPTO_BCDMA_ERR_INT BIT(1)
+#define RK_CRYPTO_BCDMA_DONE_INT BIT(0)
+
+#define RK_CRYPTO_INTENA 0x0004
+#define RK_CRYPTO_PKA_DONE_ENA BIT(5)
+#define RK_CRYPTO_HASH_DONE_ENA BIT(4)
+#define RK_CRYPTO_HRDMA_ERR_ENA BIT(3)
+#define RK_CRYPTO_HRDMA_DONE_ENA BIT(2)
+#define RK_CRYPTO_BCDMA_ERR_ENA BIT(1)
+#define RK_CRYPTO_BCDMA_DONE_ENA BIT(0)
+
+#define RK_CRYPTO_CTRL 0x0008
+#define RK_CRYPTO_WRITE_MASK _SBF(0xFFFF, 16)
+#define RK_CRYPTO_TRNG_FLUSH BIT(9)
+#define RK_CRYPTO_TRNG_START BIT(8)
+#define RK_CRYPTO_PKA_FLUSH BIT(7)
+#define RK_CRYPTO_HASH_FLUSH BIT(6)
+#define RK_CRYPTO_BLOCK_FLUSH BIT(5)
+#define RK_CRYPTO_PKA_START BIT(4)
+#define RK_CRYPTO_HASH_START BIT(3)
+#define RK_CRYPTO_BLOCK_START BIT(2)
+#define RK_CRYPTO_TDES_START BIT(1)
+#define RK_CRYPTO_AES_START BIT(0)
+
+#define RK_CRYPTO_CONF 0x000c
+/* HASH Receive DMA Address Mode: fix | increment */
+#define RK_CRYPTO_HR_ADDR_MODE BIT(8)
+/* Block Transmit DMA Address Mode: fix | increment */
+#define RK_CRYPTO_BT_ADDR_MODE BIT(7)
+/* Block Receive DMA Address Mode: fix | increment */
+#define RK_CRYPTO_BR_ADDR_MODE BIT(6)
+#define RK_CRYPTO_BYTESWAP_HRFIFO BIT(5)
+#define RK_CRYPTO_BYTESWAP_BTFIFO BIT(4)
+#define RK_CRYPTO_BYTESWAP_BRFIFO BIT(3)
+/* AES = 0 OR DES = 1 */
+#define RK_CRYPTO_DESSEL BIT(2)
+#define RK_CYYPTO_HASHINSEL_INDEPENDENT_SOURCE _SBF(0x00, 0)
+#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_INPUT _SBF(0x01, 0)
+#define RK_CYYPTO_HASHINSEL_BLOCK_CIPHER_OUTPUT _SBF(0x02, 0)
+
+/* Block Receiving DMA Start Address Register */
+#define RK_CRYPTO_BRDMAS 0x0010
+/* Block Transmitting DMA Start Address Register */
+#define RK_CRYPTO_BTDMAS 0x0014
+/* Block Receiving DMA Length Register */
+#define RK_CRYPTO_BRDMAL 0x0018
+/* Hash Receiving DMA Start Address Register */
+#define RK_CRYPTO_HRDMAS 0x001c
+/* Hash Receiving DMA Length Register */
+#define RK_CRYPTO_HRDMAL 0x0020
+
+/* AES registers */
+#define RK_CRYPTO_AES_CTRL 0x0080
+#define RK_CRYPTO_AES_BYTESWAP_CNT BIT(11)
+#define RK_CRYPTO_AES_BYTESWAP_KEY BIT(10)
+#define RK_CRYPTO_AES_BYTESWAP_IV BIT(9)
+#define RK_CRYPTO_AES_BYTESWAP_DO BIT(8)
+#define RK_CRYPTO_AES_BYTESWAP_DI BIT(7)
+#define RK_CRYPTO_AES_KEY_CHANGE BIT(6)
+#define RK_CRYPTO_AES_ECB_MODE _SBF(0x00, 4)
+#define RK_CRYPTO_AES_CBC_MODE _SBF(0x01, 4)
+#define RK_CRYPTO_AES_CTR_MODE _SBF(0x02, 4)
+#define RK_CRYPTO_AES_128BIT_key _SBF(0x00, 2)
+#define RK_CRYPTO_AES_192BIT_key _SBF(0x01, 2)
+#define RK_CRYPTO_AES_256BIT_key _SBF(0x02, 2)
+/* Slave = 0 / fifo = 1 */
+#define RK_CRYPTO_AES_FIFO_MODE BIT(1)
+/* Encryption = 0 , Decryption = 1 */
+#define RK_CRYPTO_AES_DEC BIT(0)
+
+#define RK_CRYPTO_AES_STS 0x0084
+#define RK_CRYPTO_AES_DONE BIT(0)
+
+/* AES Input Data 0-3 Register */
+#define RK_CRYPTO_AES_DIN_0 0x0088
+#define RK_CRYPTO_AES_DIN_1 0x008c
+#define RK_CRYPTO_AES_DIN_2 0x0090
+#define RK_CRYPTO_AES_DIN_3 0x0094
+
+/* AES output Data 0-3 Register */
+#define RK_CRYPTO_AES_DOUT_0 0x0098
+#define RK_CRYPTO_AES_DOUT_1 0x009c
+#define RK_CRYPTO_AES_DOUT_2 0x00a0
+#define RK_CRYPTO_AES_DOUT_3 0x00a4
+
+/* AES IV Data 0-3 Register */
+#define RK_CRYPTO_AES_IV_0 0x00a8
+#define RK_CRYPTO_AES_IV_1 0x00ac
+#define RK_CRYPTO_AES_IV_2 0x00b0
+#define RK_CRYPTO_AES_IV_3 0x00b4
+
+/* AES Key Data 0-3 Register */
+#define RK_CRYPTO_AES_KEY_0 0x00b8
+#define RK_CRYPTO_AES_KEY_1 0x00bc
+#define RK_CRYPTO_AES_KEY_2 0x00c0
+#define RK_CRYPTO_AES_KEY_3 0x00c4
+#define RK_CRYPTO_AES_KEY_4 0x00c8
+#define RK_CRYPTO_AES_KEY_5 0x00cc
+#define RK_CRYPTO_AES_KEY_6 0x00d0
+#define RK_CRYPTO_AES_KEY_7 0x00d4
+
+/* des/tdes */
+#define RK_CRYPTO_TDES_CTRL 0x0100
+#define RK_CRYPTO_TDES_BYTESWAP_KEY BIT(8)
+#define RK_CRYPTO_TDES_BYTESWAP_IV BIT(7)
+#define RK_CRYPTO_TDES_BYTESWAP_DO BIT(6)
+#define RK_CRYPTO_TDES_BYTESWAP_DI BIT(5)
+/* 0: ECB, 1: CBC */
+#define RK_CRYPTO_TDES_CHAINMODE_CBC BIT(4)
+/* TDES Key Mode, 0 : EDE, 1 : EEE */
+#define RK_CRYPTO_TDES_EEE BIT(3)
+/* 0: DES, 1:TDES */
+#define RK_CRYPTO_TDES_SELECT BIT(2)
+/* 0: Slave, 1:Fifo */
+#define RK_CRYPTO_TDES_FIFO_MODE BIT(1)
+/* Encryption = 0 , Decryption = 1 */
+#define RK_CRYPTO_TDES_DEC BIT(0)
+
+#define RK_CRYPTO_TDES_STS 0x0104
+#define RK_CRYPTO_TDES_DONE BIT(0)
+
+#define RK_CRYPTO_TDES_DIN_0 0x0108
+#define RK_CRYPTO_TDES_DIN_1 0x010c
+#define RK_CRYPTO_TDES_DOUT_0 0x0110
+#define RK_CRYPTO_TDES_DOUT_1 0x0114
+#define RK_CRYPTO_TDES_IV_0 0x0118
+#define RK_CRYPTO_TDES_IV_1 0x011c
+#define RK_CRYPTO_TDES_KEY1_0 0x0120
+#define RK_CRYPTO_TDES_KEY1_1 0x0124
+#define RK_CRYPTO_TDES_KEY2_0 0x0128
+#define RK_CRYPTO_TDES_KEY2_1 0x012c
+#define RK_CRYPTO_TDES_KEY3_0 0x0130
+#define RK_CRYPTO_TDES_KEY3_1 0x0134
+
+/* HASH */
+#define RK_CRYPTO_HASH_CTRL 0x0180
+#define RK_CRYPTO_HASH_SWAP_DO BIT(3)
+#define RK_CRYPTO_HASH_SWAP_DI BIT(2)
+#define RK_CRYPTO_HASH_SHA1 _SBF(0x00, 0)
+#define RK_CRYPTO_HASH_MD5 _SBF(0x01, 0)
+#define RK_CRYPTO_HASH_SHA256 _SBF(0x02, 0)
+#define RK_CRYPTO_HASH_PRNG _SBF(0x03, 0)
+
+#define RK_CRYPTO_HASH_STS 0x0184
+#define RK_CRYPTO_HASH_DONE BIT(0)
+
+#define RK_CRYPTO_HASH_MSG_LEN 0x0188
+#define RK_CRYPTO_HASH_DOUT_0 0x018c
+#define RK_CRYPTO_HASH_DOUT_1 0x0190
+#define RK_CRYPTO_HASH_DOUT_2 0x0194
+#define RK_CRYPTO_HASH_DOUT_3 0x0198
+#define RK_CRYPTO_HASH_DOUT_4 0x019c
+#define RK_CRYPTO_HASH_DOUT_5 0x01a0
+#define RK_CRYPTO_HASH_DOUT_6 0x01a4
+#define RK_CRYPTO_HASH_DOUT_7 0x01a8
+
+#define CRYPTO_READ(dev, offset) \
+ readl_relaxed(((dev)->reg + (offset)))
+#define CRYPTO_WRITE(dev, offset, val) \
+ writel_relaxed((val), ((dev)->reg + (offset)))
+
+#define RK_MAX_CLKS 4
+
+/*
+ * struct rockchip_ip - struct for managing a list of RK crypto instance
+ * @dev_list: Used for doing a list of rk_crypto_info
+ * @lock: Control access to dev_list
+ * @dbgfs_dir: Debugfs dentry for statistic directory
+ * @dbgfs_stats: Debugfs dentry for statistic counters
+ */
+struct rockchip_ip {
+ struct list_head dev_list;
+ spinlock_t lock; /* Control access to dev_list */
+ struct dentry *dbgfs_dir;
+ struct dentry *dbgfs_stats;
+};
+
+struct rk_clks {
+ const char *name;
+ unsigned long max;
+};
+
+struct rk_variant {
+ int num_clks;
+ struct rk_clks rkclks[RK_MAX_CLKS];
+};
+
+struct rk_crypto_info {
+ struct list_head list;
+ struct device *dev;
+ struct clk_bulk_data *clks;
+ int num_clks;
+ struct reset_control *rst;
+ void __iomem *reg;
+ int irq;
+ const struct rk_variant *variant;
+ unsigned long nreq;
+ struct crypto_engine *engine;
+ struct completion complete;
+ int status;
+};
+
+/* the private variable of hash */
+struct rk_ahash_ctx {
+ struct crypto_engine_ctx enginectx;
+ /* for fallback */
+ struct crypto_ahash *fallback_tfm;
+};
+
+/* the private variable of hash for fallback */
+struct rk_ahash_rctx {
+ struct rk_crypto_info *dev;
+ struct ahash_request fallback_req;
+ u32 mode;
+ int nrsg;
+};
+
+/* the private variable of cipher */
+struct rk_cipher_ctx {
+ struct crypto_engine_ctx enginectx;
+ unsigned int keylen;
+ u8 key[AES_MAX_KEY_SIZE];
+ u8 iv[AES_BLOCK_SIZE];
+ struct crypto_skcipher *fallback_tfm;
+};
+
+struct rk_cipher_rctx {
+ struct rk_crypto_info *dev;
+ u8 backup_iv[AES_BLOCK_SIZE];
+ u32 mode;
+ struct skcipher_request fallback_req; // keep at the end
+};
+
+struct rk_crypto_tmp {
+ u32 type;
+ struct rk_crypto_info *dev;
+ union {
+ struct skcipher_alg skcipher;
+ struct ahash_alg hash;
+ } alg;
+ unsigned long stat_req;
+ unsigned long stat_fb;
+ unsigned long stat_fb_len;
+ unsigned long stat_fb_sglen;
+ unsigned long stat_fb_align;
+ unsigned long stat_fb_sgdiff;
+};
+
+extern struct rk_crypto_tmp rk_ecb_aes_alg;
+extern struct rk_crypto_tmp rk_cbc_aes_alg;
+extern struct rk_crypto_tmp rk_ecb_des_alg;
+extern struct rk_crypto_tmp rk_cbc_des_alg;
+extern struct rk_crypto_tmp rk_ecb_des3_ede_alg;
+extern struct rk_crypto_tmp rk_cbc_des3_ede_alg;
+
+extern struct rk_crypto_tmp rk_ahash_sha1;
+extern struct rk_crypto_tmp rk_ahash_sha256;
+extern struct rk_crypto_tmp rk_ahash_md5;
+
+struct rk_crypto_info *get_rk_crypto(void);
+#endif