f9bafc3ad6
Add snapshot for qseecom driver from msm-4.19 commit 87a248d5b496d ("qseecom: invalidate listener buffer cache when get listener request"). Change-Id: I22261ad22fa8302b72b5569c68b311ca7fef9192 Signed-off-by: Zhen Kong <zkong@codeaurora.org>
146 lines
3.8 KiB
C
146 lines
3.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2014-2020, The Linux Foundation. All rights reserved.
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*/
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#ifndef _QCOM_INLINE_CRYPTO_ENGINE_H_
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#define _QCOM_INLINE_CRYPTO_ENGINE_H_
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#include <linux/platform_device.h>
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#include <linux/cdev.h>
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struct request;
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enum ice_cryto_algo_mode {
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ICE_CRYPTO_ALGO_MODE_AES_ECB = 0x0,
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ICE_CRYPTO_ALGO_MODE_AES_XTS = 0x3,
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};
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enum ice_crpto_key_size {
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ICE_CRYPTO_KEY_SIZE_128 = 0x0,
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ICE_CRYPTO_KEY_SIZE_256 = 0x2,
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};
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enum ice_crpto_key_mode {
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ICE_CRYPTO_USE_KEY0_HW_KEY = 0x0,
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ICE_CRYPTO_USE_KEY1_HW_KEY = 0x1,
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ICE_CRYPTO_USE_LUT_SW_KEY0 = 0x2,
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ICE_CRYPTO_USE_LUT_SW_KEY = 0x3
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};
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#define QCOM_ICE_TYPE_NAME_LEN 8
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typedef void (*ice_error_cb)(void *, u32 error);
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struct qcom_ice_bus_vote {
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uint32_t client_handle;
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uint32_t curr_vote;
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int min_bw_vote;
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int max_bw_vote;
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int saved_vote;
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bool is_max_bw_needed;
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struct device_attribute max_bus_bw;
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};
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/*
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* ICE HW device structure.
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*/
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struct ice_device {
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struct list_head list;
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struct device *pdev;
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struct cdev cdev;
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dev_t device_no;
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struct class *driver_class;
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void __iomem *mmio;
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struct resource *res;
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int irq;
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bool is_ice_enabled;
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bool is_ice_disable_fuse_blown;
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ice_error_cb error_cb;
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void *host_controller_data; /* UFS/EMMC/other? */
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struct list_head clk_list_head;
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u32 ice_hw_version;
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bool is_ice_clk_available;
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char ice_instance_type[QCOM_ICE_TYPE_NAME_LEN];
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struct regulator *reg;
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bool is_regulator_available;
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struct qcom_ice_bus_vote bus_vote;
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ktime_t ice_reset_start_time;
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ktime_t ice_reset_complete_time;
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void *key_table;
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};
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struct ice_crypto_setting {
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enum ice_crpto_key_size key_size;
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enum ice_cryto_algo_mode algo_mode;
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enum ice_crpto_key_mode key_mode;
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short key_index;
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};
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struct ice_data_setting {
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struct ice_crypto_setting crypto_data;
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bool sw_forced_context_switch;
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bool decr_bypass;
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bool encr_bypass;
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};
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/* MSM ICE Crypto Data Unit of target DUN of Transfer Request */
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enum ice_crypto_data_unit {
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ICE_CRYPTO_DATA_UNIT_512_B = 0,
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ICE_CRYPTO_DATA_UNIT_1_KB = 1,
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ICE_CRYPTO_DATA_UNIT_2_KB = 2,
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ICE_CRYPTO_DATA_UNIT_4_KB = 3,
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ICE_CRYPTO_DATA_UNIT_8_KB = 4,
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ICE_CRYPTO_DATA_UNIT_16_KB = 5,
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ICE_CRYPTO_DATA_UNIT_32_KB = 6,
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ICE_CRYPTO_DATA_UNIT_64_KB = 7,
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};
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struct qcom_ice_variant_ops *qcom_ice_get_variant_ops(struct device_node *node);
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struct platform_device *qcom_ice_get_pdevice(struct device_node *node);
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#if IS_ENABLED(CONFIG_CYRPTO_DEV_QCOM_ICE)
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int enable_ice_setup(struct ice_device *ice_dev);
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int disable_ice_setup(struct ice_device *ice_dev);
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int qcom_ice_setup_ice_hw(const char *storage_type, int enable);
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void qcom_ice_set_fde_flag(int flag);
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struct list_head *get_ice_dev_list(void);
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#else
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static inline int enable_ice_setup(struct ice_device *ice_dev)
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{
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return 0;
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}
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static inline int disable_ice_setup(struct ice_device *ice_dev)
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{
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return 0;
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}
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static inline int qcom_ice_setup_ice_hw(const char *storage_type, int enable)
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{
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return 0;
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}
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static inline void qcom_ice_set_fde_flag(int flag) {}
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static inline struct list_head *get_ice_dev_list(void)
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{
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return NULL;
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}
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#endif
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struct qcom_ice_variant_ops {
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const char *name;
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int (*init)(struct platform_device *device_init, void *init_data,
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ice_error_cb err);
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int (*reset)(struct platform_device *device_reset);
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int (*resume)(struct platform_device *device_resume);
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int (*suspend)(struct platform_device *device_suspend);
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int (*config_start)(struct platform_device *device_start,
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struct request *req, struct ice_data_setting *setting,
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bool start);
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int (*config_end)(struct platform_device *pdev,
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struct request *req);
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int (*status)(struct platform_device *device_status);
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void (*debug)(struct platform_device *device_debug);
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};
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#endif /* _QCOM_INLINE_CRYPTO_ENGINE_H_ */
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