diff options
Diffstat (limited to 'drivers/staging/sep/sep_dev.h')
| -rw-r--r-- | drivers/staging/sep/sep_dev.h | 98 |
1 files changed, 64 insertions, 34 deletions
diff --git a/drivers/staging/sep/sep_dev.h b/drivers/staging/sep/sep_dev.h index 696ab0dd2b79..5f6a07f59dd7 100644 --- a/drivers/staging/sep/sep_dev.h +++ b/drivers/staging/sep/sep_dev.h @@ -5,8 +5,8 @@ * * sep_dev.h - Security Processor Device Structures * - * Copyright(c) 2009,2010 Intel Corporation. All rights reserved. - * Contributions(c) 2009,2010 Discretix. All rights reserved. + * Copyright(c) 2009-2011 Intel Corporation. All rights reserved. + * Contributions(c) 2009-2011 Discretix. 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 as published by the Free @@ -28,6 +28,7 @@ * * CHANGES * 2010.09.14 upgrade to Medfield + * 2011.02.22 enable kernel crypto */ struct sep_device { @@ -36,33 +37,21 @@ struct sep_device { /* character device file */ struct cdev sep_cdev; - struct cdev sep_daemon_cdev; - struct cdev sep_singleton_cdev; /* devices (using misc dev) */ struct miscdevice miscdev_sep; - struct miscdevice miscdev_singleton; - struct miscdevice miscdev_daemon; /* major / minor numbers of device */ dev_t sep_devno; - dev_t sep_daemon_devno; - dev_t sep_singleton_devno; - - struct mutex sep_mutex; - struct mutex ioctl_mutex; + /* guards command sent counter */ spinlock_t snd_rply_lck; + /* guards driver memory usage in fastcall if */ + struct semaphore sep_doublebuf; /* flags to indicate use and lock status of sep */ u32 pid_doing_transaction; unsigned long in_use_flags; - /* request daemon alread open */ - unsigned long request_daemon_open; - - /* 1 = Moorestown; 0 = Medfield */ - int mrst; - /* address of the shared memory allocated during init for SEP driver (coherent alloc) */ dma_addr_t shared_bus; @@ -74,36 +63,77 @@ struct sep_device { dma_addr_t reg_physical_end; void __iomem *reg_addr; - /* wait queue head (event) of the driver */ - wait_queue_head_t event; - wait_queue_head_t event_request_daemon; - wait_queue_head_t event_mmap; + /* wait queue heads of the driver */ + wait_queue_head_t event_interrupt; + wait_queue_head_t event_transactions; - struct sep_caller_id_entry - caller_id_table[SEP_CALLER_ID_TABLE_NUM_ENTRIES]; + struct list_head sep_queue_status; + u32 sep_queue_num; + spinlock_t sep_queue_lock; - /* access flag for singleton device */ - unsigned long singleton_access_flag; + /* Is this in use? */ + u32 in_use; + + /* indicates whether power save is set up */ + u32 power_save_setup; + + /* Power state */ + u32 power_state; /* transaction counter that coordinates the transactions between SEP and HOST */ unsigned long send_ct; /* counter for the messages from sep */ unsigned long reply_ct; - /* counter for the number of bytes allocated in the pool for the - current transaction */ - long data_pool_bytes_allocated; - u32 num_of_data_allocations; + /* The following are used for kernel crypto client requests */ + u32 in_kernel; /* Set for kernel client request */ + struct tasklet_struct finish_tasklet; + enum type_of_request current_request; + enum hash_stage current_hash_stage; + struct ahash_request *current_hash_req; + struct ablkcipher_request *current_cypher_req; + struct this_task_ctx *ta_ctx; + struct workqueue_struct *workqueue; +}; - /* number of the lli tables created in the current transaction */ - u32 num_lli_tables_created; +extern struct sep_device *sep_dev; - /* number of data control blocks */ - u32 nr_dcb_creat; +/** + * SEP message header for a transaction + * @reserved: reserved memory (two words) + * @token: SEP message token + * @msg_len: message length + * @opcpde: message opcode + */ +struct sep_msgarea_hdr { + u32 reserved[2]; + u32 token; + u32 msg_len; + u32 opcode; +}; - struct sep_dma_resource dma_res_arr[SEP_MAX_NUM_SYNC_DMA_OPS]; +/** + * sep_queue_data - data to be maintained in status queue for a transaction + * @opcode : transaction opcode + * @size : message size + * @pid: owner process + * @name: owner process name + */ +struct sep_queue_data { + u32 opcode; + u32 size; + s32 pid; + u8 name[TASK_COMM_LEN]; +}; +/** sep_queue_info - maintains status info of all transactions + * @list: head of list + * @sep_queue_data : data for transaction + */ +struct sep_queue_info { + struct list_head list; + struct sep_queue_data data; }; static inline void sep_write_reg(struct sep_device *dev, int reg, u32 value) |