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/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _DRIVERS_CRYPTO_MSM_QCE50_H_
#define _DRIVERS_CRYPTO_MSM_QCE50_H_
#include <mach/sps.h>
/* MAX Data xfer block size between BAM and CE */
#define MAX_CE_BAM_BURST_SIZE 0x40
#define QCEBAM_BURST_SIZE MAX_CE_BAM_BURST_SIZE
#define MAX_BAM_DESCRIPTORS (0x40 - 1)
#define GET_VIRT_ADDR(x) \
((uint32_t)pce_dev->coh_vmem + \
((uint32_t)x - pce_dev->coh_pmem))
#define GET_PHYS_ADDR(x) \
(pce_dev->coh_pmem + (x - (uint32_t)pce_dev->coh_vmem))
#define CRYPTO_REG_SIZE 4
#define NUM_OF_CRYPTO_AUTH_IV_REG 16
#define NUM_OF_CRYPTO_CNTR_IV_REG 4
#define NUM_OF_CRYPTO_AUTH_BYTE_COUNT_REG 4
#define CRYPTO_TOTAL_REGISTERS_DUMPED 26
#define CRYPTO_RESULT_DUMP_SIZE \
ALIGN((CRYPTO_TOTAL_REGISTERS_DUMPED * CRYPTO_REG_SIZE), \
QCEBAM_BURST_SIZE)
/* QCE max number of descriptor in a descriptor list */
#define QCE_MAX_NUM_DESC 128
#define SPS_MAX_PKT_SIZE (64 * 1024 - 1)
/* State of consumer/producer Pipe */
enum qce_pipe_st_enum {
QCE_PIPE_STATE_IDLE = 0,
QCE_PIPE_STATE_IN_PROG = 1,
QCE_PIPE_STATE_COMP = 2,
QCE_PIPE_STATE_LAST
};
struct qce_sps_ep_conn_data {
struct sps_pipe *pipe;
struct sps_connect connect;
struct sps_register_event event;
};
/* CE Result DUMP format*/
struct ce_result_dump_format {
uint32_t auth_iv[NUM_OF_CRYPTO_AUTH_IV_REG];
uint32_t auth_byte_count[NUM_OF_CRYPTO_AUTH_BYTE_COUNT_REG];
uint32_t encr_cntr_iv[NUM_OF_CRYPTO_CNTR_IV_REG];
uint32_t status;
uint32_t status2;
};
struct qce_cmdlist_info {
uint32_t cmdlist;
struct sps_command_element *crypto_cfg;
struct sps_command_element *encr_seg_cfg;
struct sps_command_element *encr_seg_size;
struct sps_command_element *encr_seg_start;
struct sps_command_element *encr_key;
struct sps_command_element *encr_xts_key;
struct sps_command_element *encr_cntr_iv;
struct sps_command_element *encr_ccm_cntr_iv;
struct sps_command_element *encr_mask;
struct sps_command_element *encr_xts_du_size;
struct sps_command_element *auth_seg_cfg;
struct sps_command_element *auth_seg_size;
struct sps_command_element *auth_seg_start;
struct sps_command_element *auth_key;
struct sps_command_element *auth_iv;
struct sps_command_element *auth_nonce_info;
struct sps_command_element *auth_bytecount;
struct sps_command_element *seg_size;
struct sps_command_element *go_proc;
uint32_t size;
};
struct qce_cmdlistptr_ops {
struct qce_cmdlist_info cipher_aes_128_cbc_ctr;
struct qce_cmdlist_info cipher_aes_256_cbc_ctr;
struct qce_cmdlist_info cipher_aes_128_ecb;
struct qce_cmdlist_info cipher_aes_256_ecb;
struct qce_cmdlist_info cipher_aes_128_xts;
struct qce_cmdlist_info cipher_aes_256_xts;
struct qce_cmdlist_info cipher_des_cbc;
struct qce_cmdlist_info cipher_des_ecb;
struct qce_cmdlist_info cipher_3des_cbc;
struct qce_cmdlist_info cipher_3des_ecb;
struct qce_cmdlist_info auth_sha1;
struct qce_cmdlist_info auth_sha256;
struct qce_cmdlist_info auth_sha1_hmac;
struct qce_cmdlist_info auth_sha256_hmac;
struct qce_cmdlist_info auth_aes_128_cmac;
struct qce_cmdlist_info auth_aes_256_cmac;
struct qce_cmdlist_info aead_sha1_hmac;
struct qce_cmdlist_info aead_aes_128_ccm;
struct qce_cmdlist_info aead_aes_256_ccm;
struct qce_cmdlist_info unlock_all_pipes;
};
/* DM data structure with buffers, commandlists & commmand pointer lists */
struct ce_sps_data {
uint32_t bam_irq;
uint32_t bam_mem;
void __iomem *bam_iobase;
struct qce_sps_ep_conn_data producer;
struct qce_sps_ep_conn_data consumer;
struct sps_event_notify notify;
struct scatterlist *src;
struct scatterlist *dst;
unsigned int pipe_pair_index;
unsigned int src_pipe_index;
unsigned int dest_pipe_index;
uint32_t bam_handle;
enum qce_pipe_st_enum consumer_state; /* Consumer pipe state */
enum qce_pipe_st_enum producer_state; /* Producer pipe state */
int consumer_status; /* consumer pipe status */
int producer_status; /* producer pipe status */
struct sps_transfer in_transfer;
struct sps_transfer out_transfer;
int ce_burst_size;
struct qce_cmdlistptr_ops cmdlistptr;
uint32_t result_dump;
uint32_t ignore_buffer;
struct ce_result_dump_format *result;
uint32_t minor_version;
};
#endif /* _DRIVERS_CRYPTO_MSM_QCE50_H */
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