diff options
Diffstat (limited to 'drivers/staging/fsl-mc/include/mc-sys.h')
| -rw-r--r-- | drivers/staging/fsl-mc/include/mc-sys.h | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/drivers/staging/fsl-mc/include/mc-sys.h b/drivers/staging/fsl-mc/include/mc-sys.h deleted file mode 100644 index dca7f9084e05..000000000000 --- a/drivers/staging/fsl-mc/include/mc-sys.h +++ /dev/null @@ -1,99 +0,0 @@ -/* - * Copyright 2013-2016 Freescale Semiconductor Inc. - * - * Interface of the I/O services to send MC commands to the MC hardware - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the above-listed copyright holders nor the - * names of any contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifndef _FSL_MC_SYS_H -#define _FSL_MC_SYS_H - -#include <linux/types.h> -#include <linux/errno.h> -#include <linux/mutex.h> -#include <linux/spinlock.h> - -/** - * Bit masks for a MC I/O object (struct fsl_mc_io) flags - */ -#define FSL_MC_IO_ATOMIC_CONTEXT_PORTAL 0x0001 - -struct fsl_mc_resource; -struct mc_command; - -/** - * struct fsl_mc_io - MC I/O object to be passed-in to mc_send_command() - * @dev: device associated with this Mc I/O object - * @flags: flags for mc_send_command() - * @portal_size: MC command portal size in bytes - * @portal_phys_addr: MC command portal physical address - * @portal_virt_addr: MC command portal virtual address - * @dpmcp_dev: pointer to the DPMCP device associated with the MC portal. - * - * Fields are only meaningful if the FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is not - * set: - * @mutex: Mutex to serialize mc_send_command() calls that use the same MC - * portal, if the fsl_mc_io object was created with the - * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag off. mc_send_command() calls for this - * fsl_mc_io object must be made only from non-atomic context. - * - * Fields are only meaningful if the FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is - * set: - * @spinlock: Spinlock to serialize mc_send_command() calls that use the same MC - * portal, if the fsl_mc_io object was created with the - * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag on. mc_send_command() calls for this - * fsl_mc_io object can be made from atomic or non-atomic context. - */ -struct fsl_mc_io { - struct device *dev; - u16 flags; - u16 portal_size; - phys_addr_t portal_phys_addr; - void __iomem *portal_virt_addr; - struct fsl_mc_device *dpmcp_dev; - union { - /* - * This field is only meaningful if the - * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is not set - */ - struct mutex mutex; /* serializes mc_send_command() */ - - /* - * This field is only meaningful if the - * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is set - */ - spinlock_t spinlock; /* serializes mc_send_command() */ - }; -}; - -int mc_send_command(struct fsl_mc_io *mc_io, struct mc_command *cmd); - -#endif /* _FSL_MC_SYS_H */ |