| /* Copyright 2013-2015 Freescale Semiconductor Inc. |
| * |
| * 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_DPBP_H |
| #define __FSL_DPBP_H |
| |
| /* Data Path Buffer Pool API |
| * Contains initialization APIs and runtime control APIs for DPBP |
| */ |
| |
| struct fsl_mc_io; |
| |
| int dpbp_open(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| int dpbp_id, |
| u16 *token); |
| |
| int dpbp_close(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| /** |
| * struct dpbp_cfg - Structure representing DPBP configuration |
| * @options: place holder |
| */ |
| struct dpbp_cfg { |
| u32 options; |
| }; |
| |
| int dpbp_create(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| const struct dpbp_cfg *cfg, |
| u16 *token); |
| |
| int dpbp_destroy(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| int dpbp_enable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| int dpbp_disable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| int dpbp_is_enabled(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| int *en); |
| |
| int dpbp_reset(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token); |
| |
| /** |
| * struct dpbp_irq_cfg - IRQ configuration |
| * @addr: Address that must be written to signal a message-based interrupt |
| * @val: Value to write into irq_addr address |
| * @user_irq_id: A user defined number associated with this IRQ |
| */ |
| struct dpbp_irq_cfg { |
| u64 addr; |
| u32 val; |
| int user_irq_id; |
| }; |
| |
| int dpbp_set_irq(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| struct dpbp_irq_cfg *irq_cfg); |
| |
| int dpbp_get_irq(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| int *type, |
| struct dpbp_irq_cfg *irq_cfg); |
| |
| int dpbp_set_irq_enable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u8 en); |
| |
| int dpbp_get_irq_enable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u8 *en); |
| |
| int dpbp_set_irq_mask(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 mask); |
| |
| int dpbp_get_irq_mask(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 *mask); |
| |
| int dpbp_get_irq_status(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 *status); |
| |
| int dpbp_clear_irq_status(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 status); |
| |
| /** |
| * struct dpbp_attr - Structure representing DPBP attributes |
| * @id: DPBP object ID |
| * @version: DPBP version |
| * @bpid: Hardware buffer pool ID; should be used as an argument in |
| * acquire/release operations on buffers |
| */ |
| struct dpbp_attr { |
| int id; |
| /** |
| * struct version - Structure representing DPBP version |
| * @major: DPBP major version |
| * @minor: DPBP minor version |
| */ |
| struct { |
| u16 major; |
| u16 minor; |
| } version; |
| u16 bpid; |
| }; |
| |
| int dpbp_get_attributes(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| struct dpbp_attr *attr); |
| |
| /** @} */ |
| |
| #endif /* __FSL_DPBP_H */ |