diff options
Diffstat (limited to 'drivers/staging/fsl-mc/include/dpbp.h')
| -rw-r--r-- | drivers/staging/fsl-mc/include/dpbp.h | 158 |
1 files changed, 14 insertions, 144 deletions
diff --git a/drivers/staging/fsl-mc/include/dpbp.h b/drivers/staging/fsl-mc/include/dpbp.h index e14e85a..e9e04cc 100644 --- a/drivers/staging/fsl-mc/include/dpbp.h +++ b/drivers/staging/fsl-mc/include/dpbp.h @@ -1,4 +1,5 @@ -/* Copyright 2013-2015 Freescale Semiconductor Inc. +/* + * Copyright 2013-2016 Freescale Semiconductor Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: @@ -32,7 +33,8 @@ #ifndef __FSL_DPBP_H #define __FSL_DPBP_H -/* Data Path Buffer Pool API +/* + * Data Path Buffer Pool API * Contains initialization APIs and runtime control APIs for DPBP */ @@ -44,25 +46,8 @@ int dpbp_open(struct fsl_mc_io *mc_io, 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); + u32 cmd_flags, + u16 token); int dpbp_enable(struct fsl_mc_io *mc_io, u32 cmd_flags, @@ -82,139 +67,24 @@ int dpbp_reset(struct fsl_mc_io *mc_io, 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 - * @irq_num: A user defined number associated with this IRQ - */ -struct dpbp_irq_cfg { - u64 addr; - u32 val; - int irq_num; -}; - -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); - -/** - * DPBP notifications options - */ - -/** - * BPSCN write will attempt to allocate into a cache (coherent write) - */ -#define DPBP_NOTIF_OPT_COHERENT_WRITE 0x00000001 - -/** - * struct dpbp_notification_cfg - Structure representing DPBP notifications - * towards software - * @depletion_entry: below this threshold the pool is "depleted"; - * set it to '0' to disable it - * @depletion_exit: greater than or equal to this threshold the pool exit its - * "depleted" state - * @surplus_entry: above this threshold the pool is in "surplus" state; - * set it to '0' to disable it - * @surplus_exit: less than or equal to this threshold the pool exit its - * "surplus" state - * @message_iova: MUST be given if either 'depletion_entry' or 'surplus_entry' - * is not '0' (enable); I/O virtual address (must be in DMA-able memory), - * must be 16B aligned. - * @message_ctx: The context that will be part of the BPSCN message and will - * be written to 'message_iova' - * @options: Mask of available options; use 'DPBP_NOTIF_OPT_<X>' values - */ -struct dpbp_notification_cfg { - u32 depletion_entry; - u32 depletion_exit; - u32 surplus_entry; - u32 surplus_exit; - u64 message_iova; - u64 message_ctx; - u16 options; -}; - -int dpbp_set_notifications(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - struct dpbp_notification_cfg *cfg); - -int dpbp_get_notifications(struct fsl_mc_io *mc_io, - u32 cmd_flags, - u16 token, - struct dpbp_notification_cfg *cfg); +int dpbp_get_attributes(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpbp_attr *attr); -/** @} */ +int dpbp_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver); #endif /* __FSL_DPBP_H */ |