![Mark Allyn](/assets/img/avatar_default.png)
Also remove associated functions, structures, and defines Signed-off-by: Mark Allyn <mark.a.allyn@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
132 lines
3.4 KiB
C
132 lines
3.4 KiB
C
#ifndef __SEP_DEV_H__
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#define __SEP_DEV_H__
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/*
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*
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* sep_dev.h - Security Processor Device Structures
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*
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* Copyright(c) 2009,2010 Intel Corporation. All rights reserved.
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* Contributions(c) 2009,2010 Discretix. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program; if not, write to the Free Software Foundation, Inc., 59
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* Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* CONTACTS:
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*
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* Mark Allyn mark.a.allyn@intel.com
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* Jayant Mangalampalli jayant.mangalampalli@intel.com
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*
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* CHANGES
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* 2010.09.14 upgrade to Medfield
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*/
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struct sep_device {
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/* pointer to pci dev */
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struct pci_dev *pdev;
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/* character device file */
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struct cdev sep_cdev;
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struct cdev sep_daemon_cdev;
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struct cdev sep_singleton_cdev;
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/* devices (using misc dev) */
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struct miscdevice miscdev_sep;
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struct miscdevice miscdev_singleton;
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struct miscdevice miscdev_daemon;
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/* major / minor numbers of device */
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dev_t sep_devno;
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dev_t sep_daemon_devno;
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dev_t sep_singleton_devno;
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struct mutex sep_mutex;
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struct mutex ioctl_mutex;
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spinlock_t snd_rply_lck;
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/* flags to indicate use and lock status of sep */
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u32 pid_doing_transaction;
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unsigned long in_use_flags;
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/* request daemon alread open */
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unsigned long request_daemon_open;
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/* 1 = Moorestown; 0 = Medfield */
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int mrst;
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/* address of the shared memory allocated during init for SEP driver
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(coherent alloc) */
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dma_addr_t shared_bus;
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size_t shared_size;
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void *shared_addr;
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/* start address of the access to the SEP registers from driver */
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dma_addr_t reg_physical_addr;
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dma_addr_t reg_physical_end;
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void __iomem *reg_addr;
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/* wait queue head (event) of the driver */
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wait_queue_head_t event;
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wait_queue_head_t event_request_daemon;
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wait_queue_head_t event_mmap;
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struct sep_caller_id_entry
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caller_id_table[SEP_CALLER_ID_TABLE_NUM_ENTRIES];
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/* access flag for singleton device */
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unsigned long singleton_access_flag;
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/* transaction counter that coordinates the
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transactions between SEP and HOST */
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unsigned long send_ct;
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/* counter for the messages from sep */
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unsigned long reply_ct;
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/* counter for the number of bytes allocated in the pool for the
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current transaction */
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long data_pool_bytes_allocated;
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u32 num_of_data_allocations;
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/* number of the lli tables created in the current transaction */
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u32 num_lli_tables_created;
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/* number of data control blocks */
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u32 nr_dcb_creat;
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struct sep_dma_resource dma_res_arr[SEP_MAX_NUM_SYNC_DMA_OPS];
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};
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static inline void sep_write_reg(struct sep_device *dev, int reg, u32 value)
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{
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void __iomem *addr = dev->reg_addr + reg;
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writel(value, addr);
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}
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static inline u32 sep_read_reg(struct sep_device *dev, int reg)
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{
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void __iomem *addr = dev->reg_addr + reg;
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return readl(addr);
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}
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/* wait for SRAM write complete(indirect write */
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static inline void sep_wait_sram_write(struct sep_device *dev)
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{
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u32 reg_val;
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do {
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reg_val = sep_read_reg(dev, HW_SRAM_DATA_READY_REG_ADDR);
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} while (!(reg_val & 1));
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}
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#endif
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