diff options
Diffstat (limited to 'drivers/staging/fsl-mc/bus/dpbp.c')
| -rw-r--r-- | drivers/staging/fsl-mc/bus/dpbp.c | 74 |
1 files changed, 54 insertions, 20 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpbp.c b/drivers/staging/fsl-mc/bus/dpbp.c index 5d4cd812a400..cf4782f6a049 100644 --- a/drivers/staging/fsl-mc/bus/dpbp.c +++ b/drivers/staging/fsl-mc/bus/dpbp.c @@ -1,4 +1,5 @@ -/* Copyright 2013-2016 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: @@ -11,7 +12,6 @@ * 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 @@ -32,7 +32,8 @@ #include "../include/mc-sys.h" #include "../include/mc-cmd.h" #include "../include/dpbp.h" -#include "../include/dpbp-cmd.h" + +#include "dpbp-cmd.h" /** * dpbp_open() - Open a control session for the specified object. @@ -107,28 +108,26 @@ EXPORT_SYMBOL(dpbp_close); /** * dpbp_create() - Create the DPBP object. * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' * @cfg: Configuration structure - * @token: Returned token; use in subsequent API calls + * @obj_id: Returned object id; use in subsequent API calls * * Create the DPBP object, allocate required resources and * perform required initialization. * - * The object can be created either by declaring it in the - * DPL file, or by calling this function. - * This function returns a unique authentication token, - * associated with the specific object ID and the specific MC - * portal; this token must be used in all subsequent calls to - * this specific object. For objects that are created using the - * DPL file, call dpbp_open function to get an authentication - * token first. + * This function accepts an authentication token of a parent + * container that this object should be assigned to and returns + * an object id. This object_id will be used in all subsequent calls to + * this specific object. * * Return: '0' on Success; Error code otherwise. */ int dpbp_create(struct fsl_mc_io *mc_io, + u16 dprc_token, u32 cmd_flags, const struct dpbp_cfg *cfg, - u16 *token) + u32 *obj_id) { struct mc_command cmd = { 0 }; int err; @@ -137,7 +136,7 @@ int dpbp_create(struct fsl_mc_io *mc_io, /* prepare command */ cmd.header = mc_encode_cmd_header(DPBP_CMDID_CREATE, - cmd_flags, 0); + cmd_flags, dprc_token); /* send command to mc*/ err = mc_send_command(mc_io, &cmd); @@ -145,7 +144,7 @@ int dpbp_create(struct fsl_mc_io *mc_io, return err; /* retrieve response parameters */ - *token = mc_cmd_hdr_read_token(&cmd); + *obj_id = mc_cmd_read_object_id(&cmd); return 0; } @@ -153,20 +152,25 @@ int dpbp_create(struct fsl_mc_io *mc_io, /** * dpbp_destroy() - Destroy the DPBP object and release all its resources. * @mc_io: Pointer to MC portal's I/O object + * @dprc_token: Parent container token; '0' for default container * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @token: Token of DPBP object + * @obj_id: ID of DPBP object * * Return: '0' on Success; error code otherwise. */ int dpbp_destroy(struct fsl_mc_io *mc_io, + u16 dprc_token, u32 cmd_flags, - u16 token) + u32 obj_id) { + struct dpbp_cmd_destroy *cmd_params; struct mc_command cmd = { 0 }; /* prepare command */ cmd.header = mc_encode_cmd_header(DPBP_CMDID_DESTROY, - cmd_flags, token); + cmd_flags, dprc_token); + cmd_params = (struct dpbp_cmd_destroy *)cmd.params; + cmd_params->object_id = cpu_to_le32(obj_id); /* send command to mc*/ return mc_send_command(mc_io, &cmd); @@ -609,8 +613,6 @@ int dpbp_get_attributes(struct fsl_mc_io *mc_io, rsp_params = (struct dpbp_rsp_get_attributes *)cmd.params; attr->bpid = le16_to_cpu(rsp_params->bpid); attr->id = le32_to_cpu(rsp_params->id); - attr->version.major = le16_to_cpu(rsp_params->version_major); - attr->version.minor = le16_to_cpu(rsp_params->version_minor); return 0; } @@ -689,3 +691,35 @@ int dpbp_get_notifications(struct fsl_mc_io *mc_io, return 0; } + +/** + * dpbp_get_api_version - Get Data Path Buffer Pool API version + * @mc_io: Pointer to Mc portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @major_ver: Major version of Buffer Pool API + * @minor_ver: Minor version of Buffer Pool API + * + * Return: '0' on Success; Error code otherwise. + */ +int dpbp_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver) +{ + struct mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPBP_CMDID_GET_API_VERSION, + cmd_flags, 0); + + /* send command to mc */ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + mc_cmd_read_api_version(&cmd, major_ver, minor_ver); + + return 0; +} |