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Diffstat (limited to 'drivers/staging/sep/sep_dev.h')
| -rw-r--r-- | drivers/staging/sep/sep_dev.h | 162 |
1 files changed, 0 insertions, 162 deletions
diff --git a/drivers/staging/sep/sep_dev.h b/drivers/staging/sep/sep_dev.h deleted file mode 100644 index bf56c06662fd..000000000000 --- a/drivers/staging/sep/sep_dev.h +++ /dev/null @@ -1,162 +0,0 @@ -#ifndef __SEP_DEV_H__ -#define __SEP_DEV_H__ - -/* - * - * sep_dev.h - Security Processor Device Structures - * - * 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 - * Software Foundation; version 2 of the License. - * - * 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. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * CONTACTS: - * - * Mark Allyn mark.a.allyn@intel.com - * Jayant Mangalampalli jayant.mangalampalli@intel.com - * - * CHANGES - * 2010.09.14 upgrade to Medfield - * 2011.02.22 enable kernel crypto - */ - -struct sep_device { - /* pointer to pci dev */ - struct pci_dev *pdev; - - /* character device file */ - struct cdev sep_cdev; - - /* devices (using misc dev) */ - struct miscdevice miscdev_sep; - - /* major / minor numbers of device */ - dev_t sep_devno; - /* 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; - - /* address of the shared memory allocated during init for SEP driver - (coherent alloc) */ - dma_addr_t shared_bus; - size_t shared_size; - void *shared_addr; - - /* start address of the access to the SEP registers from driver */ - dma_addr_t reg_physical_addr; - dma_addr_t reg_physical_end; - void __iomem *reg_addr; - - /* wait queue heads of the driver */ - wait_queue_head_t event_interrupt; - wait_queue_head_t event_transactions; - - struct list_head sep_queue_status; - u32 sep_queue_num; - spinlock_t sep_queue_lock; - - /* 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; - - /* 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; -}; - -extern struct sep_device *sep_dev; - -/** - * 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; -}; - -/** - * 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) -{ - void __iomem *addr = dev->reg_addr + reg; - writel(value, addr); -} - -static inline u32 sep_read_reg(struct sep_device *dev, int reg) -{ - void __iomem *addr = dev->reg_addr + reg; - return readl(addr); -} - -/* wait for SRAM write complete(indirect write */ -static inline void sep_wait_sram_write(struct sep_device *dev) -{ - u32 reg_val; - - do { - reg_val = sep_read_reg(dev, HW_SRAM_DATA_READY_REG_ADDR); - } while (!(reg_val & 1)); -} - - -#endif |