163b94509STom Lendacky /* 263b94509STom Lendacky * AMD Cryptographic Coprocessor (CCP) driver 363b94509STom Lendacky * 4553d2374SGary R Hook * Copyright (C) 2013,2016 Advanced Micro Devices, Inc. 563b94509STom Lendacky * 663b94509STom Lendacky * Author: Tom Lendacky <thomas.lendacky@amd.com> 7*fba8855cSGary R Hook * Author: Gary R Hook <gary.hook@amd.com> 863b94509STom Lendacky * 963b94509STom Lendacky * This program is free software; you can redistribute it and/or modify 1063b94509STom Lendacky * it under the terms of the GNU General Public License version 2 as 1163b94509STom Lendacky * published by the Free Software Foundation. 1263b94509STom Lendacky */ 1363b94509STom Lendacky 1463b94509STom Lendacky #ifndef __CCP_DEV_H__ 1563b94509STom Lendacky #define __CCP_DEV_H__ 1663b94509STom Lendacky 1763b94509STom Lendacky #include <linux/device.h> 1863b94509STom Lendacky #include <linux/pci.h> 1963b94509STom Lendacky #include <linux/spinlock.h> 2063b94509STom Lendacky #include <linux/mutex.h> 2163b94509STom Lendacky #include <linux/list.h> 2263b94509STom Lendacky #include <linux/wait.h> 2363b94509STom Lendacky #include <linux/dmapool.h> 2463b94509STom Lendacky #include <linux/hw_random.h> 258db88467STom Lendacky #include <linux/bitops.h> 2658ea8abfSGary R Hook #include <linux/interrupt.h> 2758ea8abfSGary R Hook #include <linux/irqreturn.h> 2858ea8abfSGary R Hook #include <linux/dmaengine.h> 2963b94509STom Lendacky 30553d2374SGary R Hook #define MAX_CCP_NAME_LEN 16 3163b94509STom Lendacky #define MAX_DMAPOOL_NAME_LEN 32 3263b94509STom Lendacky 3363b94509STom Lendacky #define MAX_HW_QUEUES 5 3463b94509STom Lendacky #define MAX_CMD_QLEN 100 3563b94509STom Lendacky 3663b94509STom Lendacky #define TRNG_RETRIES 10 3763b94509STom Lendacky 38126ae9adSTom Lendacky #define CACHE_NONE 0x00 39c4f4b325STom Lendacky #define CACHE_WB_NO_ALLOC 0xb7 40c4f4b325STom Lendacky 4163b94509STom Lendacky /****** Register Mappings ******/ 4263b94509STom Lendacky #define Q_MASK_REG 0x000 4363b94509STom Lendacky #define TRNG_OUT_REG 0x00c 4463b94509STom Lendacky #define IRQ_MASK_REG 0x040 4563b94509STom Lendacky #define IRQ_STATUS_REG 0x200 4663b94509STom Lendacky 4763b94509STom Lendacky #define DEL_CMD_Q_JOB 0x124 4863b94509STom Lendacky #define DEL_Q_ACTIVE 0x00000200 4963b94509STom Lendacky #define DEL_Q_ID_SHIFT 6 5063b94509STom Lendacky 5163b94509STom Lendacky #define CMD_REQ0 0x180 5263b94509STom Lendacky #define CMD_REQ_INCR 0x04 5363b94509STom Lendacky 5463b94509STom Lendacky #define CMD_Q_STATUS_BASE 0x210 5563b94509STom Lendacky #define CMD_Q_INT_STATUS_BASE 0x214 5663b94509STom Lendacky #define CMD_Q_STATUS_INCR 0x20 5763b94509STom Lendacky 58c4f4b325STom Lendacky #define CMD_Q_CACHE_BASE 0x228 5963b94509STom Lendacky #define CMD_Q_CACHE_INC 0x20 6063b94509STom Lendacky 618db88467STom Lendacky #define CMD_Q_ERROR(__qs) ((__qs) & 0x0000003f) 628db88467STom Lendacky #define CMD_Q_DEPTH(__qs) (((__qs) >> 12) & 0x0000000f) 6363b94509STom Lendacky 6463b94509STom Lendacky /****** REQ0 Related Values ******/ 6563b94509STom Lendacky #define REQ0_WAIT_FOR_WRITE 0x00000004 6663b94509STom Lendacky #define REQ0_INT_ON_COMPLETE 0x00000002 6763b94509STom Lendacky #define REQ0_STOP_ON_COMPLETE 0x00000001 6863b94509STom Lendacky 6963b94509STom Lendacky #define REQ0_CMD_Q_SHIFT 9 7063b94509STom Lendacky #define REQ0_JOBID_SHIFT 3 7163b94509STom Lendacky 7263b94509STom Lendacky /****** REQ1 Related Values ******/ 7363b94509STom Lendacky #define REQ1_PROTECT_SHIFT 27 7463b94509STom Lendacky #define REQ1_ENGINE_SHIFT 23 7563b94509STom Lendacky #define REQ1_KEY_KSB_SHIFT 2 7663b94509STom Lendacky 7763b94509STom Lendacky #define REQ1_EOM 0x00000002 7863b94509STom Lendacky #define REQ1_INIT 0x00000001 7963b94509STom Lendacky 8063b94509STom Lendacky /* AES Related Values */ 8163b94509STom Lendacky #define REQ1_AES_TYPE_SHIFT 21 8263b94509STom Lendacky #define REQ1_AES_MODE_SHIFT 18 8363b94509STom Lendacky #define REQ1_AES_ACTION_SHIFT 17 8463b94509STom Lendacky #define REQ1_AES_CFB_SIZE_SHIFT 10 8563b94509STom Lendacky 8663b94509STom Lendacky /* XTS-AES Related Values */ 8763b94509STom Lendacky #define REQ1_XTS_AES_SIZE_SHIFT 10 8863b94509STom Lendacky 8963b94509STom Lendacky /* SHA Related Values */ 9063b94509STom Lendacky #define REQ1_SHA_TYPE_SHIFT 21 9163b94509STom Lendacky 9263b94509STom Lendacky /* RSA Related Values */ 9363b94509STom Lendacky #define REQ1_RSA_MOD_SIZE_SHIFT 10 9463b94509STom Lendacky 9563b94509STom Lendacky /* Pass-Through Related Values */ 9663b94509STom Lendacky #define REQ1_PT_BW_SHIFT 12 9763b94509STom Lendacky #define REQ1_PT_BS_SHIFT 10 9863b94509STom Lendacky 9963b94509STom Lendacky /* ECC Related Values */ 10063b94509STom Lendacky #define REQ1_ECC_AFFINE_CONVERT 0x00200000 10163b94509STom Lendacky #define REQ1_ECC_FUNCTION_SHIFT 18 10263b94509STom Lendacky 10363b94509STom Lendacky /****** REQ4 Related Values ******/ 10463b94509STom Lendacky #define REQ4_KSB_SHIFT 18 10563b94509STom Lendacky #define REQ4_MEMTYPE_SHIFT 16 10663b94509STom Lendacky 10763b94509STom Lendacky /****** REQ6 Related Values ******/ 10863b94509STom Lendacky #define REQ6_MEMTYPE_SHIFT 16 10963b94509STom Lendacky 11063b94509STom Lendacky /****** Key Storage Block ******/ 11163b94509STom Lendacky #define KSB_START 77 11263b94509STom Lendacky #define KSB_END 127 11363b94509STom Lendacky #define KSB_COUNT (KSB_END - KSB_START + 1) 11463b94509STom Lendacky #define CCP_KSB_BITS 256 11563b94509STom Lendacky #define CCP_KSB_BYTES 32 11663b94509STom Lendacky 11763b94509STom Lendacky #define CCP_JOBID_MASK 0x0000003f 11863b94509STom Lendacky 11963b94509STom Lendacky #define CCP_DMAPOOL_MAX_SIZE 64 1208db88467STom Lendacky #define CCP_DMAPOOL_ALIGN BIT(5) 12163b94509STom Lendacky 12263b94509STom Lendacky #define CCP_REVERSE_BUF_SIZE 64 12363b94509STom Lendacky 12463b94509STom Lendacky #define CCP_AES_KEY_KSB_COUNT 1 12563b94509STom Lendacky #define CCP_AES_CTX_KSB_COUNT 1 12663b94509STom Lendacky 12763b94509STom Lendacky #define CCP_XTS_AES_KEY_KSB_COUNT 1 12863b94509STom Lendacky #define CCP_XTS_AES_CTX_KSB_COUNT 1 12963b94509STom Lendacky 13063b94509STom Lendacky #define CCP_SHA_KSB_COUNT 1 13163b94509STom Lendacky 13263b94509STom Lendacky #define CCP_RSA_MAX_WIDTH 4096 13363b94509STom Lendacky 13463b94509STom Lendacky #define CCP_PASSTHRU_BLOCKSIZE 256 13563b94509STom Lendacky #define CCP_PASSTHRU_MASKSIZE 32 13663b94509STom Lendacky #define CCP_PASSTHRU_KSB_COUNT 1 13763b94509STom Lendacky 13863b94509STom Lendacky #define CCP_ECC_MODULUS_BYTES 48 /* 384-bits */ 13963b94509STom Lendacky #define CCP_ECC_MAX_OPERANDS 6 14063b94509STom Lendacky #define CCP_ECC_MAX_OUTPUTS 3 14163b94509STom Lendacky #define CCP_ECC_SRC_BUF_SIZE 448 14263b94509STom Lendacky #define CCP_ECC_DST_BUF_SIZE 192 14363b94509STom Lendacky #define CCP_ECC_OPERAND_SIZE 64 14463b94509STom Lendacky #define CCP_ECC_OUTPUT_SIZE 64 14563b94509STom Lendacky #define CCP_ECC_RESULT_OFFSET 60 14663b94509STom Lendacky #define CCP_ECC_RESULT_SUCCESS 0x0001 14763b94509STom Lendacky 148ea0375afSGary R Hook struct ccp_op; 149ea0375afSGary R Hook 150ea0375afSGary R Hook /* Structure for computation functions that are device-specific */ 151ea0375afSGary R Hook struct ccp_actions { 152ea0375afSGary R Hook int (*perform_aes)(struct ccp_op *); 153ea0375afSGary R Hook int (*perform_xts_aes)(struct ccp_op *); 154ea0375afSGary R Hook int (*perform_sha)(struct ccp_op *); 155ea0375afSGary R Hook int (*perform_rsa)(struct ccp_op *); 156ea0375afSGary R Hook int (*perform_passthru)(struct ccp_op *); 157ea0375afSGary R Hook int (*perform_ecc)(struct ccp_op *); 158ea0375afSGary R Hook int (*init)(struct ccp_device *); 159ea0375afSGary R Hook void (*destroy)(struct ccp_device *); 160ea0375afSGary R Hook irqreturn_t (*irqhandler)(int, void *); 161ea0375afSGary R Hook }; 162ea0375afSGary R Hook 163c7019c4dSGary R Hook /* Structure to hold CCP version-specific values */ 164c7019c4dSGary R Hook struct ccp_vdata { 165c7019c4dSGary R Hook unsigned int version; 166bc197b2aSJulia Lawall const struct ccp_actions *perform; 167*fba8855cSGary R Hook const unsigned int bar; 168*fba8855cSGary R Hook const unsigned int offset; 169c7019c4dSGary R Hook }; 170c7019c4dSGary R Hook 171c7019c4dSGary R Hook extern struct ccp_vdata ccpv3; 172c7019c4dSGary R Hook 17363b94509STom Lendacky struct ccp_device; 17463b94509STom Lendacky struct ccp_cmd; 17563b94509STom Lendacky 17658ea8abfSGary R Hook struct ccp_dma_cmd { 17758ea8abfSGary R Hook struct list_head entry; 17858ea8abfSGary R Hook 17958ea8abfSGary R Hook struct ccp_cmd ccp_cmd; 18058ea8abfSGary R Hook }; 18158ea8abfSGary R Hook 18258ea8abfSGary R Hook struct ccp_dma_desc { 18358ea8abfSGary R Hook struct list_head entry; 18458ea8abfSGary R Hook 18558ea8abfSGary R Hook struct ccp_device *ccp; 18658ea8abfSGary R Hook 18758ea8abfSGary R Hook struct list_head pending; 18858ea8abfSGary R Hook struct list_head active; 18958ea8abfSGary R Hook 19058ea8abfSGary R Hook enum dma_status status; 19158ea8abfSGary R Hook struct dma_async_tx_descriptor tx_desc; 19258ea8abfSGary R Hook size_t len; 19358ea8abfSGary R Hook }; 19458ea8abfSGary R Hook 19558ea8abfSGary R Hook struct ccp_dma_chan { 19658ea8abfSGary R Hook struct ccp_device *ccp; 19758ea8abfSGary R Hook 19858ea8abfSGary R Hook spinlock_t lock; 19958ea8abfSGary R Hook struct list_head pending; 20058ea8abfSGary R Hook struct list_head active; 20158ea8abfSGary R Hook struct list_head complete; 20258ea8abfSGary R Hook 20358ea8abfSGary R Hook struct tasklet_struct cleanup_tasklet; 20458ea8abfSGary R Hook 20558ea8abfSGary R Hook enum dma_status status; 20658ea8abfSGary R Hook struct dma_chan dma_chan; 20758ea8abfSGary R Hook }; 20858ea8abfSGary R Hook 20963b94509STom Lendacky struct ccp_cmd_queue { 21063b94509STom Lendacky struct ccp_device *ccp; 21163b94509STom Lendacky 21263b94509STom Lendacky /* Queue identifier */ 21363b94509STom Lendacky u32 id; 21463b94509STom Lendacky 21563b94509STom Lendacky /* Queue dma pool */ 21663b94509STom Lendacky struct dma_pool *dma_pool; 21763b94509STom Lendacky 21863b94509STom Lendacky /* Queue reserved KSB regions */ 21963b94509STom Lendacky u32 ksb_key; 22063b94509STom Lendacky u32 ksb_ctx; 22163b94509STom Lendacky 22263b94509STom Lendacky /* Queue processing thread */ 22363b94509STom Lendacky struct task_struct *kthread; 22463b94509STom Lendacky unsigned int active; 22563b94509STom Lendacky unsigned int suspended; 22663b94509STom Lendacky 22763b94509STom Lendacky /* Number of free command slots available */ 22863b94509STom Lendacky unsigned int free_slots; 22963b94509STom Lendacky 23063b94509STom Lendacky /* Interrupt masks */ 23163b94509STom Lendacky u32 int_ok; 23263b94509STom Lendacky u32 int_err; 23363b94509STom Lendacky 23463b94509STom Lendacky /* Register addresses for queue */ 23563b94509STom Lendacky void __iomem *reg_status; 23663b94509STom Lendacky void __iomem *reg_int_status; 23763b94509STom Lendacky 23863b94509STom Lendacky /* Status values from job */ 23963b94509STom Lendacky u32 int_status; 24063b94509STom Lendacky u32 q_status; 24163b94509STom Lendacky u32 q_int_status; 24263b94509STom Lendacky u32 cmd_error; 24363b94509STom Lendacky 24463b94509STom Lendacky /* Interrupt wait queue */ 24563b94509STom Lendacky wait_queue_head_t int_queue; 24663b94509STom Lendacky unsigned int int_rcvd; 24763b94509STom Lendacky } ____cacheline_aligned; 24863b94509STom Lendacky 24963b94509STom Lendacky struct ccp_device { 250553d2374SGary R Hook struct list_head entry; 251553d2374SGary R Hook 252c7019c4dSGary R Hook struct ccp_vdata *vdata; 253553d2374SGary R Hook unsigned int ord; 254553d2374SGary R Hook char name[MAX_CCP_NAME_LEN]; 255553d2374SGary R Hook char rngname[MAX_CCP_NAME_LEN]; 256553d2374SGary R Hook 25763b94509STom Lendacky struct device *dev; 25863b94509STom Lendacky 259fa242e80SGary R Hook /* Bus specific device information 26063b94509STom Lendacky */ 26163b94509STom Lendacky void *dev_specific; 26263b94509STom Lendacky int (*get_irq)(struct ccp_device *ccp); 26363b94509STom Lendacky void (*free_irq)(struct ccp_device *ccp); 2643d77565bSTom Lendacky unsigned int irq; 26563b94509STom Lendacky 266fa242e80SGary R Hook /* I/O area used for device communication. The register mapping 26763b94509STom Lendacky * starts at an offset into the mapped bar. 26863b94509STom Lendacky * The CMD_REQx registers and the Delete_Cmd_Queue_Job register 26963b94509STom Lendacky * need to be protected while a command queue thread is accessing 27063b94509STom Lendacky * them. 27163b94509STom Lendacky */ 27263b94509STom Lendacky struct mutex req_mutex ____cacheline_aligned; 27363b94509STom Lendacky void __iomem *io_map; 27463b94509STom Lendacky void __iomem *io_regs; 27563b94509STom Lendacky 276fa242e80SGary R Hook /* Master lists that all cmds are queued on. Because there can be 27763b94509STom Lendacky * more than one CCP command queue that can process a cmd a separate 27863b94509STom Lendacky * backlog list is neeeded so that the backlog completion call 27963b94509STom Lendacky * completes before the cmd is available for execution. 28063b94509STom Lendacky */ 28163b94509STom Lendacky spinlock_t cmd_lock ____cacheline_aligned; 28263b94509STom Lendacky unsigned int cmd_count; 28363b94509STom Lendacky struct list_head cmd; 28463b94509STom Lendacky struct list_head backlog; 28563b94509STom Lendacky 286fa242e80SGary R Hook /* The command queues. These represent the queues available on the 28763b94509STom Lendacky * CCP that are available for processing cmds 28863b94509STom Lendacky */ 28963b94509STom Lendacky struct ccp_cmd_queue cmd_q[MAX_HW_QUEUES]; 29063b94509STom Lendacky unsigned int cmd_q_count; 29163b94509STom Lendacky 292fa242e80SGary R Hook /* Support for the CCP True RNG 29363b94509STom Lendacky */ 29463b94509STom Lendacky struct hwrng hwrng; 29563b94509STom Lendacky unsigned int hwrng_retries; 29663b94509STom Lendacky 297fa242e80SGary R Hook /* Support for the CCP DMA capabilities 29858ea8abfSGary R Hook */ 29958ea8abfSGary R Hook struct dma_device dma_dev; 30058ea8abfSGary R Hook struct ccp_dma_chan *ccp_dma_chan; 30158ea8abfSGary R Hook struct kmem_cache *dma_cmd_cache; 30258ea8abfSGary R Hook struct kmem_cache *dma_desc_cache; 30358ea8abfSGary R Hook 304fa242e80SGary R Hook /* A counter used to generate job-ids for cmds submitted to the CCP 30563b94509STom Lendacky */ 30663b94509STom Lendacky atomic_t current_id ____cacheline_aligned; 30763b94509STom Lendacky 308fa242e80SGary R Hook /* The CCP uses key storage blocks (KSB) to maintain context for certain 30963b94509STom Lendacky * operations. To prevent multiple cmds from using the same KSB range 31063b94509STom Lendacky * a command queue reserves a KSB range for the duration of the cmd. 31163b94509STom Lendacky * Each queue, will however, reserve 2 KSB blocks for operations that 31263b94509STom Lendacky * only require single KSB entries (eg. AES context/iv and key) in order 31363b94509STom Lendacky * to avoid allocation contention. This will reserve at most 10 KSB 31463b94509STom Lendacky * entries, leaving 40 KSB entries available for dynamic allocation. 31563b94509STom Lendacky */ 31663b94509STom Lendacky struct mutex ksb_mutex ____cacheline_aligned; 31763b94509STom Lendacky DECLARE_BITMAP(ksb, KSB_COUNT); 31863b94509STom Lendacky wait_queue_head_t ksb_queue; 31963b94509STom Lendacky unsigned int ksb_avail; 32063b94509STom Lendacky unsigned int ksb_count; 32163b94509STom Lendacky u32 ksb_start; 32263b94509STom Lendacky 32363b94509STom Lendacky /* Suspend support */ 32463b94509STom Lendacky unsigned int suspending; 32563b94509STom Lendacky wait_queue_head_t suspend_queue; 326126ae9adSTom Lendacky 327126ae9adSTom Lendacky /* DMA caching attribute support */ 328126ae9adSTom Lendacky unsigned int axcache; 32963b94509STom Lendacky }; 33063b94509STom Lendacky 331ea0375afSGary R Hook enum ccp_memtype { 332ea0375afSGary R Hook CCP_MEMTYPE_SYSTEM = 0, 333ea0375afSGary R Hook CCP_MEMTYPE_KSB, 334ea0375afSGary R Hook CCP_MEMTYPE_LOCAL, 335ea0375afSGary R Hook CCP_MEMTYPE__LAST, 336ea0375afSGary R Hook }; 337ea0375afSGary R Hook 338ea0375afSGary R Hook struct ccp_dma_info { 339ea0375afSGary R Hook dma_addr_t address; 340ea0375afSGary R Hook unsigned int offset; 341ea0375afSGary R Hook unsigned int length; 342ea0375afSGary R Hook enum dma_data_direction dir; 343ea0375afSGary R Hook }; 344ea0375afSGary R Hook 345ea0375afSGary R Hook struct ccp_dm_workarea { 346ea0375afSGary R Hook struct device *dev; 347ea0375afSGary R Hook struct dma_pool *dma_pool; 348ea0375afSGary R Hook unsigned int length; 349ea0375afSGary R Hook 350ea0375afSGary R Hook u8 *address; 351ea0375afSGary R Hook struct ccp_dma_info dma; 352ea0375afSGary R Hook }; 353ea0375afSGary R Hook 354ea0375afSGary R Hook struct ccp_sg_workarea { 355ea0375afSGary R Hook struct scatterlist *sg; 356ea0375afSGary R Hook int nents; 357ea0375afSGary R Hook 358ea0375afSGary R Hook struct scatterlist *dma_sg; 359ea0375afSGary R Hook struct device *dma_dev; 360ea0375afSGary R Hook unsigned int dma_count; 361ea0375afSGary R Hook enum dma_data_direction dma_dir; 362ea0375afSGary R Hook 363ea0375afSGary R Hook unsigned int sg_used; 364ea0375afSGary R Hook 365ea0375afSGary R Hook u64 bytes_left; 366ea0375afSGary R Hook }; 367ea0375afSGary R Hook 368ea0375afSGary R Hook struct ccp_data { 369ea0375afSGary R Hook struct ccp_sg_workarea sg_wa; 370ea0375afSGary R Hook struct ccp_dm_workarea dm_wa; 371ea0375afSGary R Hook }; 372ea0375afSGary R Hook 373ea0375afSGary R Hook struct ccp_mem { 374ea0375afSGary R Hook enum ccp_memtype type; 375ea0375afSGary R Hook union { 376ea0375afSGary R Hook struct ccp_dma_info dma; 377ea0375afSGary R Hook u32 ksb; 378ea0375afSGary R Hook } u; 379ea0375afSGary R Hook }; 380ea0375afSGary R Hook 381ea0375afSGary R Hook struct ccp_aes_op { 382ea0375afSGary R Hook enum ccp_aes_type type; 383ea0375afSGary R Hook enum ccp_aes_mode mode; 384ea0375afSGary R Hook enum ccp_aes_action action; 385ea0375afSGary R Hook }; 386ea0375afSGary R Hook 387ea0375afSGary R Hook struct ccp_xts_aes_op { 388ea0375afSGary R Hook enum ccp_aes_action action; 389ea0375afSGary R Hook enum ccp_xts_aes_unit_size unit_size; 390ea0375afSGary R Hook }; 391ea0375afSGary R Hook 392ea0375afSGary R Hook struct ccp_sha_op { 393ea0375afSGary R Hook enum ccp_sha_type type; 394ea0375afSGary R Hook u64 msg_bits; 395ea0375afSGary R Hook }; 396ea0375afSGary R Hook 397ea0375afSGary R Hook struct ccp_rsa_op { 398ea0375afSGary R Hook u32 mod_size; 399ea0375afSGary R Hook u32 input_len; 400ea0375afSGary R Hook }; 401ea0375afSGary R Hook 402ea0375afSGary R Hook struct ccp_passthru_op { 403ea0375afSGary R Hook enum ccp_passthru_bitwise bit_mod; 404ea0375afSGary R Hook enum ccp_passthru_byteswap byte_swap; 405ea0375afSGary R Hook }; 406ea0375afSGary R Hook 407ea0375afSGary R Hook struct ccp_ecc_op { 408ea0375afSGary R Hook enum ccp_ecc_function function; 409ea0375afSGary R Hook }; 410ea0375afSGary R Hook 411ea0375afSGary R Hook struct ccp_op { 412ea0375afSGary R Hook struct ccp_cmd_queue *cmd_q; 413ea0375afSGary R Hook 414ea0375afSGary R Hook u32 jobid; 415ea0375afSGary R Hook u32 ioc; 416ea0375afSGary R Hook u32 soc; 417ea0375afSGary R Hook u32 ksb_key; 418ea0375afSGary R Hook u32 ksb_ctx; 419ea0375afSGary R Hook u32 init; 420ea0375afSGary R Hook u32 eom; 421ea0375afSGary R Hook 422ea0375afSGary R Hook struct ccp_mem src; 423ea0375afSGary R Hook struct ccp_mem dst; 424ea0375afSGary R Hook 425ea0375afSGary R Hook union { 426ea0375afSGary R Hook struct ccp_aes_op aes; 427ea0375afSGary R Hook struct ccp_xts_aes_op xts; 428ea0375afSGary R Hook struct ccp_sha_op sha; 429ea0375afSGary R Hook struct ccp_rsa_op rsa; 430ea0375afSGary R Hook struct ccp_passthru_op passthru; 431ea0375afSGary R Hook struct ccp_ecc_op ecc; 432ea0375afSGary R Hook } u; 433ea0375afSGary R Hook }; 434ea0375afSGary R Hook 435ea0375afSGary R Hook static inline u32 ccp_addr_lo(struct ccp_dma_info *info) 436ea0375afSGary R Hook { 437ea0375afSGary R Hook return lower_32_bits(info->address + info->offset); 438ea0375afSGary R Hook } 439ea0375afSGary R Hook 440ea0375afSGary R Hook static inline u32 ccp_addr_hi(struct ccp_dma_info *info) 441ea0375afSGary R Hook { 442ea0375afSGary R Hook return upper_32_bits(info->address + info->offset) & 0x0000ffff; 443ea0375afSGary R Hook } 444ea0375afSGary R Hook 44563b94509STom Lendacky int ccp_pci_init(void); 44663b94509STom Lendacky void ccp_pci_exit(void); 44763b94509STom Lendacky 448c4f4b325STom Lendacky int ccp_platform_init(void); 449c4f4b325STom Lendacky void ccp_platform_exit(void); 450c4f4b325STom Lendacky 451ea0375afSGary R Hook void ccp_add_device(struct ccp_device *ccp); 452ea0375afSGary R Hook void ccp_del_device(struct ccp_device *ccp); 45363b94509STom Lendacky 454ea0375afSGary R Hook struct ccp_device *ccp_alloc_struct(struct device *dev); 455ea0375afSGary R Hook bool ccp_queues_suspended(struct ccp_device *ccp); 456ea0375afSGary R Hook int ccp_cmd_queue_thread(void *data); 45763b94509STom Lendacky 45863b94509STom Lendacky int ccp_run_cmd(struct ccp_cmd_queue *cmd_q, struct ccp_cmd *cmd); 45963b94509STom Lendacky 46058ea8abfSGary R Hook int ccp_dmaengine_register(struct ccp_device *ccp); 46158ea8abfSGary R Hook void ccp_dmaengine_unregister(struct ccp_device *ccp); 46258ea8abfSGary R Hook 46363b94509STom Lendacky #endif 464