diff options
Diffstat (limited to 'drivers/bus/fsl-mc/dprc.c')
| -rw-r--r-- | drivers/bus/fsl-mc/dprc.c | 45 |
1 files changed, 44 insertions, 1 deletions
diff --git a/drivers/bus/fsl-mc/dprc.c b/drivers/bus/fsl-mc/dprc.c index 0fe3f52ae0de..413353b6473b 100644 --- a/drivers/bus/fsl-mc/dprc.c +++ b/drivers/bus/fsl-mc/dprc.c @@ -73,6 +73,47 @@ int dprc_close(struct fsl_mc_io *mc_io, EXPORT_SYMBOL_GPL(dprc_close); /** + * dprc_reset_container - Reset child container. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPRC object + * @child_container_id: ID of the container to reset + * + * In case a software context crashes or becomes non-responsive, the parent + * may wish to reset its resources container before the software context is + * restarted. + * + * This routine informs all objects assigned to the child container that the + * container is being reset, so they may perform any cleanup operations that are + * needed. All objects handles that were owned by the child container shall be + * closed. + * + * Note that such request may be submitted even if the child software context + * has not crashed, but the resulting object cleanup operations will not be + * aware of that. + * + * Return: '0' on Success; Error code otherwise. + */ +int dprc_reset_container(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + int child_container_id) +{ + struct fsl_mc_command cmd = { 0 }; + struct dprc_cmd_reset_container *cmd_params; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPRC_CMDID_RESET_CONT, + cmd_flags, token); + cmd_params = (struct dprc_cmd_reset_container *)cmd.params; + cmd_params->child_container_id = cpu_to_le32(child_container_id); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} +EXPORT_SYMBOL_GPL(dprc_reset_container); + +/** * dprc_set_irq() - Set IRQ information for the DPRC to trigger an interrupt. * @mc_io: Pointer to MC portal's I/O object * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' @@ -281,7 +322,7 @@ int dprc_get_attributes(struct fsl_mc_io *mc_io, /* retrieve response parameters */ rsp_params = (struct dprc_rsp_get_attributes *)cmd.params; attr->container_id = le32_to_cpu(rsp_params->container_id); - attr->icid = le16_to_cpu(rsp_params->icid); + attr->icid = le32_to_cpu(rsp_params->icid); attr->options = le32_to_cpu(rsp_params->options); attr->portal_id = le32_to_cpu(rsp_params->portal_id); @@ -483,6 +524,8 @@ int dprc_get_obj_region(struct fsl_mc_io *mc_io, rsp_params = (struct dprc_rsp_get_obj_region *)cmd.params; region_desc->base_offset = le64_to_cpu(rsp_params->base_offset); region_desc->size = le32_to_cpu(rsp_params->size); + region_desc->type = rsp_params->type; + region_desc->flags = le32_to_cpu(rsp_params->flags); if (major_ver > 6 || (major_ver == 6 && minor_ver >= 3)) region_desc->base_address = le64_to_cpu(rsp_params->base_addr); else |