| /* |
| * 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: |
| * * 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. |
| */ |
| #include <linux/kernel.h> |
| #include "../include/mc.h" |
| #include "dprc.h" |
| |
| #include "dprc-cmd.h" |
| |
| /** |
| * dprc_open() - Open DPRC object for use |
| * @mc_io: Pointer to MC portal's I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @container_id: Container ID to open |
| * @token: Returned token of DPRC object |
| * |
| * Return: '0' on Success; Error code otherwise. |
| * |
| * @warning Required before any operation on the object. |
| */ |
| int dprc_open(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| int container_id, |
| u16 *token) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_open *cmd_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags, |
| 0); |
| cmd_params = (struct dprc_cmd_open *)cmd.params; |
| cmd_params->container_id = cpu_to_le32(container_id); |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| *token = mc_cmd_hdr_read_token(&cmd); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(dprc_open); |
| |
| /** |
| * dprc_close() - Close the control session of the object |
| * @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 |
| * |
| * After this function is called, no further operations are |
| * allowed on the object without opening a new control session. |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_close(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token) |
| { |
| struct mc_command cmd = { 0 }; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLOSE, cmd_flags, |
| token); |
| |
| /* send command to mc*/ |
| return mc_send_command(mc_io, &cmd); |
| } |
| EXPORT_SYMBOL(dprc_close); |
| |
| /** |
| * dprc_get_irq() - Get IRQ information from the DPRC. |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @type: Interrupt type: 0 represents message interrupt |
| * type (both irq_addr and irq_val are valid) |
| * @irq_cfg: IRQ attributes |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_irq(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| int *type, |
| struct dprc_irq_cfg *irq_cfg) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_irq *cmd_params; |
| struct dprc_rsp_get_irq *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ, |
| cmd_flags, |
| token); |
| cmd_params = (struct dprc_cmd_get_irq *)cmd.params; |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_irq *)cmd.params; |
| irq_cfg->val = le32_to_cpu(rsp_params->irq_val); |
| irq_cfg->paddr = le64_to_cpu(rsp_params->irq_addr); |
| irq_cfg->irq_num = le32_to_cpu(rsp_params->irq_num); |
| *type = le32_to_cpu(rsp_params->type); |
| |
| return 0; |
| } |
| |
| /** |
| * 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_' |
| * @token: Token of DPRC object |
| * @irq_index: Identifies the interrupt index to configure |
| * @irq_cfg: IRQ configuration |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_set_irq(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| struct dprc_irq_cfg *irq_cfg) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_set_irq *cmd_params; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ, |
| cmd_flags, |
| token); |
| cmd_params = (struct dprc_cmd_set_irq *)cmd.params; |
| cmd_params->irq_val = cpu_to_le32(irq_cfg->val); |
| cmd_params->irq_index = irq_index; |
| cmd_params->irq_addr = cpu_to_le64(irq_cfg->paddr); |
| cmd_params->irq_num = cpu_to_le32(irq_cfg->irq_num); |
| |
| /* send command to mc*/ |
| return mc_send_command(mc_io, &cmd); |
| } |
| |
| /** |
| * dprc_get_irq_enable() - Get overall interrupt state. |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @en: Returned interrupt state - enable = 1, disable = 0 |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_irq_enable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u8 *en) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_irq_enable *cmd_params; |
| struct dprc_rsp_get_irq_enable *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_ENABLE, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_get_irq_enable *)cmd.params; |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_irq_enable *)cmd.params; |
| *en = rsp_params->enabled & DPRC_ENABLE; |
| |
| return 0; |
| } |
| |
| /** |
| * dprc_set_irq_enable() - Set overall interrupt state. |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @en: Interrupt state - enable = 1, disable = 0 |
| * |
| * Allows GPP software to control when interrupts are generated. |
| * Each interrupt can have up to 32 causes. The enable/disable control's the |
| * overall interrupt state. if the interrupt is disabled no causes will cause |
| * an interrupt. |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_set_irq_enable(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u8 en) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_set_irq_enable *cmd_params; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_ENABLE, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_set_irq_enable *)cmd.params; |
| cmd_params->enable = en & DPRC_ENABLE; |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| return mc_send_command(mc_io, &cmd); |
| } |
| |
| /** |
| * dprc_get_irq_mask() - Get interrupt mask. |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @mask: Returned event mask to trigger interrupt |
| * |
| * Every interrupt can have up to 32 causes and the interrupt model supports |
| * masking/unmasking each cause independently |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_irq_mask(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 *mask) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_irq_mask *cmd_params; |
| struct dprc_rsp_get_irq_mask *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_MASK, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_get_irq_mask *)cmd.params; |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_irq_mask *)cmd.params; |
| *mask = le32_to_cpu(rsp_params->mask); |
| |
| return 0; |
| } |
| |
| /** |
| * dprc_set_irq_mask() - Set interrupt mask. |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @mask: event mask to trigger interrupt; |
| * each bit: |
| * 0 = ignore event |
| * 1 = consider event for asserting irq |
| * |
| * Every interrupt can have up to 32 causes and the interrupt model supports |
| * masking/unmasking each cause independently |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_set_irq_mask(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 mask) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_set_irq_mask *cmd_params; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_IRQ_MASK, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_set_irq_mask *)cmd.params; |
| cmd_params->mask = cpu_to_le32(mask); |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| return mc_send_command(mc_io, &cmd); |
| } |
| |
| /** |
| * dprc_get_irq_status() - Get the current status of any pending interrupts. |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @status: Returned interrupts status - one bit per cause: |
| * 0 = no interrupt pending |
| * 1 = interrupt pending |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_irq_status(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 *status) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_irq_status *cmd_params; |
| struct dprc_rsp_get_irq_status *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_IRQ_STATUS, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_get_irq_status *)cmd.params; |
| cmd_params->status = cpu_to_le32(*status); |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_irq_status *)cmd.params; |
| *status = le32_to_cpu(rsp_params->status); |
| |
| return 0; |
| } |
| |
| /** |
| * dprc_clear_irq_status() - Clear a pending interrupt's status |
| * @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 |
| * @irq_index: The interrupt index to configure |
| * @status: bits to clear (W1C) - one bit per cause: |
| * 0 = don't change |
| * 1 = clear status bit |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_clear_irq_status(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| u8 irq_index, |
| u32 status) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_clear_irq_status *cmd_params; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_CLEAR_IRQ_STATUS, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_clear_irq_status *)cmd.params; |
| cmd_params->status = cpu_to_le32(status); |
| cmd_params->irq_index = irq_index; |
| |
| /* send command to mc*/ |
| return mc_send_command(mc_io, &cmd); |
| } |
| |
| /** |
| * dprc_get_attributes() - Obtains container attributes |
| * @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 |
| * @attributes Returned container attributes |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_attributes(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| struct dprc_attributes *attr) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_rsp_get_attributes *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR, |
| cmd_flags, |
| token); |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* 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->options = le32_to_cpu(rsp_params->options); |
| attr->portal_id = le32_to_cpu(rsp_params->portal_id); |
| |
| return 0; |
| } |
| |
| /** |
| * dprc_get_obj_count() - Obtains the number of objects in the DPRC |
| * @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 |
| * @obj_count: Number of objects assigned to the DPRC |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_obj_count(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| int *obj_count) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_rsp_get_obj_count *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT, |
| cmd_flags, token); |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_obj_count *)cmd.params; |
| *obj_count = le32_to_cpu(rsp_params->obj_count); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(dprc_get_obj_count); |
| |
| /** |
| * dprc_get_obj() - Get general information on an object |
| * @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 |
| * @obj_index: Index of the object to be queried (< obj_count) |
| * @obj_desc: Returns the requested object descriptor |
| * |
| * The object descriptors are retrieved one by one by incrementing |
| * obj_index up to (not including) the value of obj_count returned |
| * from dprc_get_obj_count(). dprc_get_obj_count() must |
| * be called prior to dprc_get_obj(). |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_obj(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| int obj_index, |
| struct fsl_mc_obj_desc *obj_desc) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_obj *cmd_params; |
| struct dprc_rsp_get_obj *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ, |
| cmd_flags, |
| token); |
| cmd_params = (struct dprc_cmd_get_obj *)cmd.params; |
| cmd_params->obj_index = cpu_to_le32(obj_index); |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_obj *)cmd.params; |
| obj_desc->id = le32_to_cpu(rsp_params->id); |
| obj_desc->vendor = le16_to_cpu(rsp_params->vendor); |
| obj_desc->irq_count = rsp_params->irq_count; |
| obj_desc->region_count = rsp_params->region_count; |
| obj_desc->state = le32_to_cpu(rsp_params->state); |
| obj_desc->ver_major = le16_to_cpu(rsp_params->version_major); |
| obj_desc->ver_minor = le16_to_cpu(rsp_params->version_minor); |
| obj_desc->flags = le16_to_cpu(rsp_params->flags); |
| strncpy(obj_desc->type, rsp_params->type, 16); |
| obj_desc->type[15] = '\0'; |
| strncpy(obj_desc->label, rsp_params->label, 16); |
| obj_desc->label[15] = '\0'; |
| return 0; |
| } |
| EXPORT_SYMBOL(dprc_get_obj); |
| |
| /** |
| * dprc_set_obj_irq() - Set IRQ information for object 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_' |
| * @token: Token of DPRC object |
| * @obj_type: Type of the object to set its IRQ |
| * @obj_id: ID of the object to set its IRQ |
| * @irq_index: The interrupt index to configure |
| * @irq_cfg: IRQ configuration |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_set_obj_irq(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| char *obj_type, |
| int obj_id, |
| u8 irq_index, |
| struct dprc_irq_cfg *irq_cfg) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_set_obj_irq *cmd_params; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_SET_OBJ_IRQ, |
| cmd_flags, |
| token); |
| cmd_params = (struct dprc_cmd_set_obj_irq *)cmd.params; |
| cmd_params->irq_val = cpu_to_le32(irq_cfg->val); |
| cmd_params->irq_index = irq_index; |
| cmd_params->irq_addr = cpu_to_le64(irq_cfg->paddr); |
| cmd_params->irq_num = cpu_to_le32(irq_cfg->irq_num); |
| cmd_params->obj_id = cpu_to_le32(obj_id); |
| strncpy(cmd_params->obj_type, obj_type, 16); |
| cmd_params->obj_type[15] = '\0'; |
| |
| /* send command to mc*/ |
| return mc_send_command(mc_io, &cmd); |
| } |
| EXPORT_SYMBOL(dprc_set_obj_irq); |
| |
| /** |
| * dprc_get_obj_irq() - Get IRQ information from object. |
| * @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 |
| * @obj_type: Type od the object to get its IRQ |
| * @obj_id: ID of the object to get its IRQ |
| * @irq_index: The interrupt index to configure |
| * @type: Interrupt type: 0 represents message interrupt |
| * type (both irq_addr and irq_val are valid) |
| * @irq_cfg: The returned IRQ attributes |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_obj_irq(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| char *obj_type, |
| int obj_id, |
| u8 irq_index, |
| int *type, |
| struct dprc_irq_cfg *irq_cfg) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_obj_irq *cmd_params; |
| struct dprc_rsp_get_obj_irq *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_IRQ, |
| cmd_flags, |
| token); |
| cmd_params = (struct dprc_cmd_get_obj_irq *)cmd.params; |
| cmd_params->obj_id = cpu_to_le32(obj_id); |
| cmd_params->irq_index = irq_index; |
| strncpy(cmd_params->obj_type, obj_type, 16); |
| cmd_params->obj_type[15] = '\0'; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_obj_irq *)cmd.params; |
| irq_cfg->val = le32_to_cpu(rsp_params->irq_val); |
| irq_cfg->paddr = le64_to_cpu(rsp_params->irq_addr); |
| irq_cfg->irq_num = le32_to_cpu(rsp_params->irq_num); |
| *type = le32_to_cpu(rsp_params->type); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(dprc_get_obj_irq); |
| |
| /** |
| * dprc_get_res_count() - Obtains the number of free resources that are assigned |
| * to this container, by pool type |
| * @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 |
| * @type: pool type |
| * @res_count: Returned number of free resources of the given |
| * resource type that are assigned to this DPRC |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_res_count(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| char *type, |
| int *res_count) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_res_count *cmd_params; |
| struct dprc_rsp_get_res_count *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_get_res_count *)cmd.params; |
| strncpy(cmd_params->type, type, 16); |
| cmd_params->type[15] = '\0'; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_res_count *)cmd.params; |
| *res_count = le32_to_cpu(rsp_params->res_count); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(dprc_get_res_count); |
| |
| /** |
| * dprc_get_obj_region() - Get region information for a specified object. |
| * @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 |
| * @obj_type; Object type as returned in dprc_get_obj() |
| * @obj_id: Unique object instance as returned in dprc_get_obj() |
| * @region_index: The specific region to query |
| * @region_desc: Returns the requested region descriptor |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_obj_region(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| u16 token, |
| char *obj_type, |
| int obj_id, |
| u8 region_index, |
| struct dprc_region_desc *region_desc) |
| { |
| struct mc_command cmd = { 0 }; |
| struct dprc_cmd_get_obj_region *cmd_params; |
| struct dprc_rsp_get_obj_region *rsp_params; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG, |
| cmd_flags, token); |
| cmd_params = (struct dprc_cmd_get_obj_region *)cmd.params; |
| cmd_params->obj_id = cpu_to_le32(obj_id); |
| cmd_params->region_index = region_index; |
| strncpy(cmd_params->obj_type, obj_type, 16); |
| cmd_params->obj_type[15] = '\0'; |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| rsp_params = (struct dprc_rsp_get_obj_region *)cmd.params; |
| region_desc->base_offset = le64_to_cpu(rsp_params->base_addr); |
| region_desc->size = le32_to_cpu(rsp_params->size); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL(dprc_get_obj_region); |
| |
| /** |
| * dprc_get_api_version - Get Data Path Resource Container 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 Resource Container API |
| * @minor_ver: Minor version of Data Path Resource Container API |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_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(DPRC_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; |
| } |
| |
| /** |
| * dprc_get_container_id - Get container ID associated with a given portal. |
| * @mc_io: Pointer to Mc portal's I/O object |
| * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' |
| * @container_id: Requested container id |
| * |
| * Return: '0' on Success; Error code otherwise. |
| */ |
| int dprc_get_container_id(struct fsl_mc_io *mc_io, |
| u32 cmd_flags, |
| int *container_id) |
| { |
| struct mc_command cmd = { 0 }; |
| int err; |
| |
| /* prepare command */ |
| cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONT_ID, |
| cmd_flags, |
| 0); |
| |
| /* send command to mc*/ |
| err = mc_send_command(mc_io, &cmd); |
| if (err) |
| return err; |
| |
| /* retrieve response parameters */ |
| *container_id = (int)mc_cmd_read_object_id(&cmd); |
| |
| return 0; |
| } |