diff options
Diffstat (limited to 'drivers/staging/fsl-mc/bus/dpmcp.c')
-rw-r--r-- | drivers/staging/fsl-mc/bus/dpmcp.c | 70 |
1 files changed, 53 insertions, 17 deletions
diff --git a/drivers/staging/fsl-mc/bus/dpmcp.c b/drivers/staging/fsl-mc/bus/dpmcp.c index 55766f7..e4d1651 100644 --- a/drivers/staging/fsl-mc/bus/dpmcp.c +++ b/drivers/staging/fsl-mc/bus/dpmcp.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 @@ -106,28 +106,29 @@ int dpmcp_close(struct fsl_mc_io *mc_io, /** * dpmcp_create() - Create the DPMCP 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 DPMCP 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 dpmcp_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 dpmcp_create(struct fsl_mc_io *mc_io, + u16 dprc_token, u32 cmd_flags, const struct dpmcp_cfg *cfg, - u16 *token) + u32 *obj_id) { struct mc_command cmd = { 0 }; struct dpmcp_cmd_create *cmd_params; @@ -136,7 +137,7 @@ int dpmcp_create(struct fsl_mc_io *mc_io, /* prepare command */ cmd.header = mc_encode_cmd_header(DPMCP_CMDID_CREATE, - cmd_flags, 0); + cmd_flags, dprc_token); cmd_params = (struct dpmcp_cmd_create *)cmd.params; cmd_params->portal_id = cpu_to_le32(cfg->portal_id); @@ -146,7 +147,7 @@ int dpmcp_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; } @@ -154,20 +155,25 @@ int dpmcp_create(struct fsl_mc_io *mc_io, /** * dpmcp_destroy() - Destroy the DPMCP 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 DPMCP object + * @obj_id: ID of DPMCP object * * Return: '0' on Success; error code otherwise. */ int dpmcp_destroy(struct fsl_mc_io *mc_io, + u16 dprc_token, u32 cmd_flags, - u16 token) + u32 obj_id) { struct mc_command cmd = { 0 }; + struct dpmcp_cmd_destroy *cmd_params; /* prepare command */ cmd.header = mc_encode_cmd_header(DPMCP_CMDID_DESTROY, - cmd_flags, token); + cmd_flags, dprc_token); + cmd_params = (struct dpmcp_cmd_destroy *)cmd.params; + cmd_params->object_id = cpu_to_le32(obj_id); /* send command to mc*/ return mc_send_command(mc_io, &cmd); @@ -497,8 +503,38 @@ int dpmcp_get_attributes(struct fsl_mc_io *mc_io, /* retrieve response parameters */ rsp_params = (struct dpmcp_rsp_get_attributes *)cmd.params; 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; +} + +/** + * dpmcp_get_api_version - Get Data Path Management Command Portal 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 Data Path Management Command Portal API + * @minor_ver: Minor version of Data Path Management Command Portal API + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmcp_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(DPMCP_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; } |