diff options
Diffstat (limited to 'drivers/staging/fsl-mc/bus')
21 files changed, 464 insertions, 174 deletions
diff --git a/drivers/staging/fsl-mc/bus/Makefile b/drivers/staging/fsl-mc/bus/Makefile index 659eccf52a4f..6df407edfade 100644 --- a/drivers/staging/fsl-mc/bus/Makefile +++ b/drivers/staging/fsl-mc/bus/Makefile @@ -11,7 +11,6 @@ mc-bus-driver-objs := fsl-mc-bus.o \ mc-sys.o \ mc-io.o \ dprc.o \ - dpmng.o \ dprc-driver.o \ fsl-mc-allocator.o \ fsl-mc-msi.o \ diff --git a/drivers/staging/fsl-mc/bus/dpbp-cmd.h b/drivers/staging/fsl-mc/bus/dpbp-cmd.h index 8aa65452c872..5904836fd741 100644 --- a/drivers/staging/fsl-mc/bus/dpbp-cmd.h +++ b/drivers/staging/fsl-mc/bus/dpbp-cmd.h @@ -40,7 +40,7 @@ #define DPBP_CMD_BASE_VERSION 1 #define DPBP_CMD_ID_OFFSET 4 -#define DPBP_CMD(id) ((id << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION) +#define DPBP_CMD(id) (((id) << DPBP_CMD_ID_OFFSET) | DPBP_CMD_BASE_VERSION) /* Command IDs */ #define DPBP_CMDID_CLOSE DPBP_CMD(0x800) diff --git a/drivers/staging/fsl-mc/bus/dpbp.c b/drivers/staging/fsl-mc/bus/dpbp.c index d9e450a6bad6..363730a80cbb 100644 --- a/drivers/staging/fsl-mc/bus/dpbp.c +++ b/drivers/staging/fsl-mc/bus/dpbp.c @@ -29,8 +29,8 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ -#include "../include/mc-sys.h" -#include "../include/mc-cmd.h" +#include <linux/kernel.h> +#include "../include/mc.h" #include "../include/dpbp.h" #include "dpbp-cmd.h" diff --git a/drivers/staging/fsl-mc/bus/dpcon.c b/drivers/staging/fsl-mc/bus/dpcon.c index eb713578b817..ca1da85c6dda 100644 --- a/drivers/staging/fsl-mc/bus/dpcon.c +++ b/drivers/staging/fsl-mc/bus/dpcon.c @@ -29,8 +29,8 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ -#include "../include/mc-sys.h" -#include "../include/mc-cmd.h" +#include <linux/kernel.h> +#include "../include/mc.h" #include "../include/dpcon.h" #include "dpcon-cmd.h" diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c index e5d66749614c..f8096828f5b7 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio-service.c +++ b/drivers/staging/fsl-mc/bus/dpio/dpio-service.c @@ -260,9 +260,9 @@ int dpaa2_io_service_register(struct dpaa2_io *d, /* Enable the generation of CDAN notifications */ if (ctx->is_cdan) - qbman_swp_CDAN_set_context_enable(d->swp, - (u16)ctx->id, - ctx->qman64); + return qbman_swp_CDAN_set_context_enable(d->swp, + (u16)ctx->id, + ctx->qman64); return 0; } EXPORT_SYMBOL(dpaa2_io_service_register); @@ -514,7 +514,7 @@ EXPORT_SYMBOL(dpaa2_io_service_acquire); * The size of the storage is "max_frames*sizeof(struct dpaa2_dq)". * The 'dpaa2_io_store' returned is a DPIO service managed object. * - * Return pointer to dpaa2_io_store struct for successfuly created storage + * Return pointer to dpaa2_io_store struct for successfully created storage * memory, or NULL on error. */ struct dpaa2_io_store *dpaa2_io_store_create(unsigned int max_frames, diff --git a/drivers/staging/fsl-mc/bus/dpio/dpio.c b/drivers/staging/fsl-mc/bus/dpio/dpio.c index d81e0232f6c1..00eb22186f42 100644 --- a/drivers/staging/fsl-mc/bus/dpio/dpio.c +++ b/drivers/staging/fsl-mc/bus/dpio/dpio.c @@ -30,8 +30,8 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ -#include "../../include/mc-sys.h" -#include "../../include/mc-cmd.h" +#include <linux/kernel.h> +#include "../../include/mc.h" #include "dpio.h" #include "dpio-cmd.h" diff --git a/drivers/staging/fsl-mc/bus/dpmcp-cmd.h b/drivers/staging/fsl-mc/bus/dpmcp-cmd.h index 384a13d0b07f..861b2a708af8 100644 --- a/drivers/staging/fsl-mc/bus/dpmcp-cmd.h +++ b/drivers/staging/fsl-mc/bus/dpmcp-cmd.h @@ -40,7 +40,7 @@ #define DPMCP_CMD_BASE_VERSION 1 #define DPMCP_CMD_ID_OFFSET 4 -#define DPMCP_CMD(id) ((id << DPMCP_CMD_ID_OFFSET) | DPMCP_CMD_BASE_VERSION) +#define DPMCP_CMD(id) (((id) << DPMCP_CMD_ID_OFFSET) | DPMCP_CMD_BASE_VERSION) /* Command IDs */ #define DPMCP_CMDID_CLOSE DPMCP_CMD(0x800) diff --git a/drivers/staging/fsl-mc/bus/dpmcp.c b/drivers/staging/fsl-mc/bus/dpmcp.c index ad4c8b43f065..eea42f61af86 100644 --- a/drivers/staging/fsl-mc/bus/dpmcp.c +++ b/drivers/staging/fsl-mc/bus/dpmcp.c @@ -29,8 +29,8 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ -#include "../include/mc-sys.h" -#include "../include/mc-cmd.h" +#include <linux/kernel.h> +#include "../include/mc.h" #include "dpmcp.h" #include "dpmcp-cmd.h" diff --git a/drivers/staging/fsl-mc/bus/dpmng-cmd.h b/drivers/staging/fsl-mc/bus/dpmng-cmd.h index cdddfb80eecc..d1f04ac18b78 100644 --- a/drivers/staging/fsl-mc/bus/dpmng-cmd.h +++ b/drivers/staging/fsl-mc/bus/dpmng-cmd.h @@ -44,7 +44,7 @@ #define DPMNG_CMD_BASE_VERSION 1 #define DPMNG_CMD_ID_OFFSET 4 -#define DPMNG_CMD(id) ((id << DPMNG_CMD_ID_OFFSET) | DPMNG_CMD_BASE_VERSION) +#define DPMNG_CMD(id) (((id) << DPMNG_CMD_ID_OFFSET) | DPMNG_CMD_BASE_VERSION) /* Command IDs */ #define DPMNG_CMDID_GET_VERSION DPMNG_CMD(0x831) diff --git a/drivers/staging/fsl-mc/bus/dpmng.c b/drivers/staging/fsl-mc/bus/dpmng.c deleted file mode 100644 index ad5d5bbec529..000000000000 --- a/drivers/staging/fsl-mc/bus/dpmng.c +++ /dev/null @@ -1,74 +0,0 @@ -/* - * 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 "../include/mc-sys.h" -#include "../include/mc-cmd.h" -#include "../include/dpmng.h" - -#include "dpmng-cmd.h" - -/** - * mc_get_version() - Retrieves the Management Complex firmware - * version information - * @mc_io: Pointer to opaque I/O object - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' - * @mc_ver_info: Returned version information structure - * - * Return: '0' on Success; Error code otherwise. - */ -int mc_get_version(struct fsl_mc_io *mc_io, - u32 cmd_flags, - struct mc_version *mc_ver_info) -{ - struct mc_command cmd = { 0 }; - struct dpmng_rsp_get_version *rsp_params; - int err; - - /* prepare command */ - cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION, - cmd_flags, - 0); - - /* send command to mc*/ - err = mc_send_command(mc_io, &cmd); - if (err) - return err; - - /* retrieve response parameters */ - rsp_params = (struct dpmng_rsp_get_version *)cmd.params; - mc_ver_info->revision = le32_to_cpu(rsp_params->revision); - mc_ver_info->major = le32_to_cpu(rsp_params->version_major); - mc_ver_info->minor = le32_to_cpu(rsp_params->version_minor); - - return 0; -} -EXPORT_SYMBOL(mc_get_version); - diff --git a/drivers/staging/fsl-mc/bus/dprc-cmd.h b/drivers/staging/fsl-mc/bus/dprc-cmd.h index e9fdca41f324..d9b2dcde468e 100644 --- a/drivers/staging/fsl-mc/bus/dprc-cmd.h +++ b/drivers/staging/fsl-mc/bus/dprc-cmd.h @@ -48,7 +48,7 @@ #define DPRC_CMD_BASE_VERSION 1 #define DPRC_CMD_ID_OFFSET 4 -#define DPRC_CMD(id) ((id << DPRC_CMD_ID_OFFSET) | DPRC_CMD_BASE_VERSION) +#define DPRC_CMD(id) (((id) << DPRC_CMD_ID_OFFSET) | DPRC_CMD_BASE_VERSION) /* Command IDs */ #define DPRC_CMDID_CLOSE DPRC_CMD(0x800) diff --git a/drivers/staging/fsl-mc/bus/dprc-driver.c b/drivers/staging/fsl-mc/bus/dprc-driver.c index e4b0341d42d7..4cdd190a338b 100644 --- a/drivers/staging/fsl-mc/bus/dprc-driver.c +++ b/drivers/staging/fsl-mc/bus/dprc-driver.c @@ -13,27 +13,30 @@ #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/msi.h> -#include "../include/mc-bus.h" -#include "../include/mc-sys.h" +#include "../include/mc.h" #include "dprc-cmd.h" #include "fsl-mc-private.h" #define FSL_MC_DPRC_DRIVER_NAME "fsl_mc_dprc" -#define FSL_MC_DEVICE_MATCH(_mc_dev, _obj_desc) \ - (strcmp((_mc_dev)->obj_desc.type, (_obj_desc)->type) == 0 && \ - (_mc_dev)->obj_desc.id == (_obj_desc)->id) - -struct dprc_child_objs { +struct fsl_mc_child_objs { int child_count; - struct dprc_obj_desc *child_array; + struct fsl_mc_obj_desc *child_array; }; +static bool fsl_mc_device_match(struct fsl_mc_device *mc_dev, + struct fsl_mc_obj_desc *obj_desc) +{ + return mc_dev->obj_desc.id == obj_desc->id && + !strcmp(mc_dev->obj_desc.type, obj_desc->type); + +} + static int __fsl_mc_device_remove_if_not_in_mc(struct device *dev, void *data) { int i; - struct dprc_child_objs *objs; + struct fsl_mc_child_objs *objs; struct fsl_mc_device *mc_dev; WARN_ON(!dev); @@ -42,10 +45,10 @@ static int __fsl_mc_device_remove_if_not_in_mc(struct device *dev, void *data) objs = data; for (i = 0; i < objs->child_count; i++) { - struct dprc_obj_desc *obj_desc = &objs->child_array[i]; + struct fsl_mc_obj_desc *obj_desc = &objs->child_array[i]; if (strlen(obj_desc->type) != 0 && - FSL_MC_DEVICE_MATCH(mc_dev, obj_desc)) + fsl_mc_device_match(mc_dev, obj_desc)) break; } @@ -76,7 +79,7 @@ static int __fsl_mc_device_remove(struct device *dev, void *data) * been dynamically removed in the physical DPRC. */ static void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, - struct dprc_obj_desc *obj_desc_array, + struct fsl_mc_obj_desc *obj_desc_array, int num_child_objects_in_mc) { if (num_child_objects_in_mc != 0) { @@ -84,7 +87,7 @@ static void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, * Remove child objects that are in the DPRC in Linux, * but not in the MC: */ - struct dprc_child_objs objs; + struct fsl_mc_child_objs objs; objs.child_count = num_child_objects_in_mc; objs.child_array = obj_desc_array; @@ -102,13 +105,13 @@ static void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev, static int __fsl_mc_device_match(struct device *dev, void *data) { - struct dprc_obj_desc *obj_desc = data; + struct fsl_mc_obj_desc *obj_desc = data; struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - return FSL_MC_DEVICE_MATCH(mc_dev, obj_desc); + return fsl_mc_device_match(mc_dev, obj_desc); } -static struct fsl_mc_device *fsl_mc_device_lookup(struct dprc_obj_desc +static struct fsl_mc_device *fsl_mc_device_lookup(struct fsl_mc_obj_desc *obj_desc, struct fsl_mc_device *mc_bus_dev) @@ -133,16 +136,16 @@ static struct fsl_mc_device *fsl_mc_device_lookup(struct dprc_obj_desc * device is unbound from the corresponding device driver. */ static void check_plugged_state_change(struct fsl_mc_device *mc_dev, - struct dprc_obj_desc *obj_desc) + struct fsl_mc_obj_desc *obj_desc) { int error; u32 plugged_flag_at_mc = - obj_desc->state & DPRC_OBJ_STATE_PLUGGED; + obj_desc->state & FSL_MC_OBJ_STATE_PLUGGED; if (plugged_flag_at_mc != - (mc_dev->obj_desc.state & DPRC_OBJ_STATE_PLUGGED)) { + (mc_dev->obj_desc.state & FSL_MC_OBJ_STATE_PLUGGED)) { if (plugged_flag_at_mc) { - mc_dev->obj_desc.state |= DPRC_OBJ_STATE_PLUGGED; + mc_dev->obj_desc.state |= FSL_MC_OBJ_STATE_PLUGGED; error = device_attach(&mc_dev->dev); if (error < 0) { dev_err(&mc_dev->dev, @@ -150,7 +153,7 @@ static void check_plugged_state_change(struct fsl_mc_device *mc_dev, error); } } else { - mc_dev->obj_desc.state &= ~DPRC_OBJ_STATE_PLUGGED; + mc_dev->obj_desc.state &= ~FSL_MC_OBJ_STATE_PLUGGED; device_release_driver(&mc_dev->dev); } } @@ -169,7 +172,7 @@ static void check_plugged_state_change(struct fsl_mc_device *mc_dev, * in the physical DPRC. */ static void dprc_add_new_devices(struct fsl_mc_device *mc_bus_dev, - struct dprc_obj_desc *obj_desc_array, + struct fsl_mc_obj_desc *obj_desc_array, int num_child_objects_in_mc) { int error; @@ -177,7 +180,7 @@ static void dprc_add_new_devices(struct fsl_mc_device *mc_bus_dev, for (i = 0; i < num_child_objects_in_mc; i++) { struct fsl_mc_device *child_dev; - struct dprc_obj_desc *obj_desc = &obj_desc_array[i]; + struct fsl_mc_obj_desc *obj_desc = &obj_desc_array[i]; if (strlen(obj_desc->type) == 0) continue; @@ -217,14 +220,14 @@ static void dprc_add_new_devices(struct fsl_mc_device *mc_bus_dev, * populated before they can get allocation requests from probe callbacks * of the device drivers for the non-allocatable devices. */ -int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, - unsigned int *total_irq_count) +static int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, + unsigned int *total_irq_count) { int num_child_objects; int dprc_get_obj_failures; int error; unsigned int irq_count = mc_bus_dev->obj_desc.irq_count; - struct dprc_obj_desc *child_obj_desc_array = NULL; + struct fsl_mc_obj_desc *child_obj_desc_array = NULL; error = dprc_get_obj_count(mc_bus_dev->mc_io, 0, @@ -251,7 +254,7 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, */ dprc_get_obj_failures = 0; for (i = 0; i < num_child_objects; i++) { - struct dprc_obj_desc *obj_desc = + struct fsl_mc_obj_desc *obj_desc = &child_obj_desc_array[i]; error = dprc_get_obj(mc_bus_dev->mc_io, @@ -279,7 +282,7 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, if ((strcmp(obj_desc->type, "dpseci") == 0) && (obj_desc->ver_major < 4)) obj_desc->flags |= - DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY; + FSL_MC_OBJ_FLAG_NO_MEM_SHAREABILITY; irq_count += obj_desc->irq_count; dev_dbg(&mc_bus_dev->dev, @@ -306,7 +309,6 @@ int dprc_scan_objects(struct fsl_mc_device *mc_bus_dev, return 0; } -EXPORT_SYMBOL_GPL(dprc_scan_objects); /** * dprc_scan_container - Scans a physical DPRC and synchronizes Linux bus state @@ -317,7 +319,7 @@ EXPORT_SYMBOL_GPL(dprc_scan_objects); * bus driver with the actual state of the MC by adding and removing * devices as appropriate. */ -int dprc_scan_container(struct fsl_mc_device *mc_bus_dev) +static int dprc_scan_container(struct fsl_mc_device *mc_bus_dev) { int error; unsigned int irq_count; @@ -353,7 +355,6 @@ error: fsl_mc_cleanup_all_resource_pools(mc_bus_dev); return error; } -EXPORT_SYMBOL_GPL(dprc_scan_container); /** * dprc_irq0_handler - Regular ISR for DPRC interrupt 0 @@ -681,8 +682,8 @@ static int dprc_probe(struct fsl_mc_device *mc_dev) } if (major_ver < DPRC_MIN_VER_MAJOR || - (major_ver == DPRC_MIN_VER_MAJOR && - minor_ver < DPRC_MIN_VER_MINOR)) { + (major_ver == DPRC_MIN_VER_MAJOR && + minor_ver < DPRC_MIN_VER_MINOR)) { dev_err(&mc_dev->dev, "ERROR: DPRC version %d.%d not supported\n", major_ver, minor_ver); diff --git a/drivers/staging/fsl-mc/bus/dprc.c b/drivers/staging/fsl-mc/bus/dprc.c index fcf7b4767dc0..6f6c65a42166 100644 --- a/drivers/staging/fsl-mc/bus/dprc.c +++ b/drivers/staging/fsl-mc/bus/dprc.c @@ -29,9 +29,9 @@ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ -#include "../include/mc-sys.h" -#include "../include/mc-cmd.h" -#include "../include/dprc.h" +#include <linux/kernel.h> +#include "../include/mc.h" +#include "dprc.h" #include "dprc-cmd.h" @@ -496,7 +496,7 @@ int dprc_get_obj(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, int obj_index, - struct dprc_obj_desc *obj_desc) + struct fsl_mc_obj_desc *obj_desc) { struct mc_command cmd = { 0 }; struct dprc_cmd_get_obj *cmd_params; diff --git a/drivers/staging/fsl-mc/bus/dprc.h b/drivers/staging/fsl-mc/bus/dprc.h new file mode 100644 index 000000000000..21295e4feb04 --- /dev/null +++ b/drivers/staging/fsl-mc/bus/dprc.h @@ -0,0 +1,268 @@ +/* + * 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. + */ +#ifndef _FSL_DPRC_H +#define _FSL_DPRC_H + +/* + * Data Path Resource Container API + * Contains DPRC API for managing and querying DPAA resources + */ + +struct fsl_mc_io; +struct fsl_mc_obj_desc; + +int dprc_open(struct fsl_mc_io *mc_io, + u32 cmd_flags, + int container_id, + u16 *token); + +int dprc_close(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token); + +/* IRQ */ + +/* IRQ index */ +#define DPRC_IRQ_INDEX 0 + +/* Number of dprc's IRQs */ +#define DPRC_NUM_OF_IRQS 1 + +/* DPRC IRQ events */ + +/* IRQ event - Indicates that a new object added to the container */ +#define DPRC_IRQ_EVENT_OBJ_ADDED 0x00000001 +/* IRQ event - Indicates that an object was removed from the container */ +#define DPRC_IRQ_EVENT_OBJ_REMOVED 0x00000002 +/* IRQ event - Indicates that resources added to the container */ +#define DPRC_IRQ_EVENT_RES_ADDED 0x00000004 +/* IRQ event - Indicates that resources removed from the container */ +#define DPRC_IRQ_EVENT_RES_REMOVED 0x00000008 +/* + * IRQ event - Indicates that one of the descendant containers that opened by + * this container is destroyed + */ +#define DPRC_IRQ_EVENT_CONTAINER_DESTROYED 0x00000010 + +/* + * IRQ event - Indicates that on one of the container's opened object is + * destroyed + */ +#define DPRC_IRQ_EVENT_OBJ_DESTROYED 0x00000020 + +/* Irq event - Indicates that object is created at the container */ +#define DPRC_IRQ_EVENT_OBJ_CREATED 0x00000040 + +/** + * struct dprc_irq_cfg - IRQ configuration + * @paddr: 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 dprc_irq_cfg { + phys_addr_t paddr; + u32 val; + int irq_num; +}; + +int dprc_set_irq(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + struct dprc_irq_cfg *irq_cfg); + +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); + +int dprc_set_irq_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u8 en); + +int dprc_get_irq_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u8 *en); + +int dprc_set_irq_mask(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 mask); + +int dprc_get_irq_mask(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 *mask); + +int dprc_get_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 *status); + +int dprc_clear_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 status); + +/** + * struct dprc_attributes - Container attributes + * @container_id: Container's ID + * @icid: Container's ICID + * @portal_id: Container's portal ID + * @options: Container's options as set at container's creation + */ +struct dprc_attributes { + int container_id; + u16 icid; + int portal_id; + u64 options; +}; + +int dprc_get_attributes(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dprc_attributes *attributes); + +int dprc_get_obj_count(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + int *obj_count); + +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); + +int dprc_get_obj_desc(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + char *obj_type, + int obj_id, + struct fsl_mc_obj_desc *obj_desc); + +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); + +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); + +int dprc_get_res_count(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + char *type, + int *res_count); + +/** + * enum dprc_iter_status - Iteration status + * @DPRC_ITER_STATUS_FIRST: Perform first iteration + * @DPRC_ITER_STATUS_MORE: Indicates more/next iteration is needed + * @DPRC_ITER_STATUS_LAST: Indicates last iteration + */ +enum dprc_iter_status { + DPRC_ITER_STATUS_FIRST = 0, + DPRC_ITER_STATUS_MORE = 1, + DPRC_ITER_STATUS_LAST = 2 +}; + +/* Region flags */ +/* Cacheable - Indicates that region should be mapped as cacheable */ +#define DPRC_REGION_CACHEABLE 0x00000001 + +/** + * enum dprc_region_type - Region type + * @DPRC_REGION_TYPE_MC_PORTAL: MC portal region + * @DPRC_REGION_TYPE_QBMAN_PORTAL: Qbman portal region + */ +enum dprc_region_type { + DPRC_REGION_TYPE_MC_PORTAL, + DPRC_REGION_TYPE_QBMAN_PORTAL +}; + +/** + * struct dprc_region_desc - Mappable region descriptor + * @base_offset: Region offset from region's base address. + * For DPMCP and DPRC objects, region base is offset from SoC MC portals + * base address; For DPIO, region base is offset from SoC QMan portals + * base address + * @size: Region size (in bytes) + * @flags: Region attributes + * @type: Portal region type + */ +struct dprc_region_desc { + u32 base_offset; + u32 size; + u32 flags; + enum dprc_region_type type; +}; + +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); + +int dprc_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver); + +int dprc_get_container_id(struct fsl_mc_io *mc_io, + u32 cmd_flags, + int *container_id); + +#endif /* _FSL_DPRC_H */ + diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c index ce07096c3b1f..b37a6f48225f 100644 --- a/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-allocator.c @@ -10,17 +10,16 @@ #include <linux/module.h> #include <linux/msi.h> -#include "../include/mc-bus.h" -#include "../include/mc-sys.h" +#include "../include/mc.h" -#include "dpbp-cmd.h" -#include "dpcon-cmd.h" #include "fsl-mc-private.h" -#define FSL_MC_IS_ALLOCATABLE(_obj_type) \ - (strcmp(_obj_type, "dpbp") == 0 || \ - strcmp(_obj_type, "dpmcp") == 0 || \ - strcmp(_obj_type, "dpcon") == 0) +static bool __must_check fsl_mc_is_allocatable(const char *obj_type) +{ + return strcmp(obj_type, "dpbp") || + strcmp(obj_type, "dpmcp") || + strcmp(obj_type, "dpcon"); +} /** * fsl_mc_resource_pool_add_device - add allocatable object to a resource @@ -44,7 +43,7 @@ static int __must_check fsl_mc_resource_pool_add_device(struct fsl_mc_bus if (WARN_ON(pool_type < 0 || pool_type >= FSL_MC_NUM_POOL_TYPES)) goto out; - if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type))) + if (WARN_ON(!fsl_mc_is_allocatable(mc_dev->obj_desc.type))) goto out; if (WARN_ON(mc_dev->resource)) goto out; @@ -106,7 +105,7 @@ static int __must_check fsl_mc_resource_pool_remove_device(struct fsl_mc_device struct fsl_mc_resource *resource; int error = -EINVAL; - if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type))) + if (WARN_ON(!fsl_mc_is_allocatable(mc_dev->obj_desc.type))) goto out; resource = mc_dev->resource; @@ -586,7 +585,7 @@ static int fsl_mc_allocator_probe(struct fsl_mc_device *mc_dev) struct fsl_mc_bus *mc_bus; int error; - if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type))) + if (WARN_ON(!fsl_mc_is_allocatable(mc_dev->obj_desc.type))) return -EINVAL; mc_bus_dev = to_fsl_mc_device(mc_dev->dev.parent); @@ -615,7 +614,7 @@ static int fsl_mc_allocator_remove(struct fsl_mc_device *mc_dev) { int error; - if (WARN_ON(!FSL_MC_IS_ALLOCATABLE(mc_dev->obj_desc.type))) + if (WARN_ON(!fsl_mc_is_allocatable(mc_dev->obj_desc.type))) return -EINVAL; if (mc_dev->resource) { diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-bus.c b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c index 3be5f25ff113..19606e8d25dd 100644 --- a/drivers/staging/fsl-mc/bus/fsl-mc-bus.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-bus.c @@ -20,12 +20,10 @@ #include <linux/bitops.h> #include <linux/msi.h> #include <linux/dma-mapping.h> -#include "../include/mc-bus.h" -#include "../include/dpmng.h" -#include "../include/mc-sys.h" #include "fsl-mc-private.h" #include "dprc-cmd.h" +#include "dpmng-cmd.h" /** * Default DMA mask for devices on a fsl-mc bus @@ -61,6 +59,20 @@ struct fsl_mc_addr_translation_range { }; /** + * struct mc_version + * @major: Major version number: incremented on API compatibility changes + * @minor: Minor version number: incremented on API additions (that are + * backward compatible); reset when major version is incremented + * @revision: Internal revision number: incremented on implementation changes + * and/or bug fixes that have no impact on API + */ +struct mc_version { + u32 major; + u32 minor; + u32 revision; +}; + +/** * fsl_mc_bus_match - device to driver matching callback * @dev: the fsl-mc device to match against * @drv: the device driver to search for matching fsl-mc object type @@ -82,7 +94,7 @@ static int fsl_mc_bus_match(struct device *dev, struct device_driver *drv) * If the object is not 'plugged' don't match. * Only exception is the root DPRC, which is a special case. */ - if ((mc_dev->obj_desc.state & DPRC_OBJ_STATE_PLUGGED) == 0 && + if ((mc_dev->obj_desc.state & FSL_MC_OBJ_STATE_PLUGGED) == 0 && !fsl_mc_is_root_dprc(&mc_dev->dev)) goto out; @@ -239,10 +251,46 @@ void fsl_mc_driver_unregister(struct fsl_mc_driver *mc_driver) EXPORT_SYMBOL_GPL(fsl_mc_driver_unregister); /** + * mc_get_version() - Retrieves the Management Complex firmware + * version information + * @mc_io: Pointer to opaque I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @mc_ver_info: Returned version information structure + * + * Return: '0' on Success; Error code otherwise. + */ +static int mc_get_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + struct mc_version *mc_ver_info) +{ + struct mc_command cmd = { 0 }; + struct dpmng_rsp_get_version *rsp_params; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMNG_CMDID_GET_VERSION, + cmd_flags, + 0); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpmng_rsp_get_version *)cmd.params; + mc_ver_info->revision = le32_to_cpu(rsp_params->revision); + mc_ver_info->major = le32_to_cpu(rsp_params->version_major); + mc_ver_info->minor = le32_to_cpu(rsp_params->version_minor); + + return 0; +} + +/** * fsl_mc_get_root_dprc - function to traverse to the root dprc */ -void fsl_mc_get_root_dprc(struct device *dev, - struct device **root_dprc_dev) +static void fsl_mc_get_root_dprc(struct device *dev, + struct device **root_dprc_dev) { if (WARN_ON(!dev)) { *root_dprc_dev = NULL; @@ -254,7 +302,6 @@ void fsl_mc_get_root_dprc(struct device *dev, *root_dprc_dev = (*root_dprc_dev)->parent; } } -EXPORT_SYMBOL_GPL(fsl_mc_get_root_dprc); static int get_dprc_attr(struct fsl_mc_io *mc_io, int container_id, struct dprc_attributes *attr) @@ -339,7 +386,7 @@ static int fsl_mc_device_get_mmio_regions(struct fsl_mc_device *mc_dev, int i; int error; struct resource *regions; - struct dprc_obj_desc *obj_desc = &mc_dev->obj_desc; + struct fsl_mc_obj_desc *obj_desc = &mc_dev->obj_desc; struct device *parent_dev = mc_dev->dev.parent; enum dprc_region_type mc_region_type; @@ -420,15 +467,11 @@ bool fsl_mc_is_root_dprc(struct device *dev) static void fsl_mc_device_release(struct device *dev) { struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev); - struct fsl_mc_bus *mc_bus = NULL; kfree(mc_dev->regions); if (strcmp(mc_dev->obj_desc.type, "dprc") == 0) - mc_bus = to_fsl_mc_bus(mc_dev); - - if (mc_bus) - kfree(mc_bus); + kfree(to_fsl_mc_bus(mc_dev)); else kfree(mc_dev); } @@ -436,7 +479,7 @@ static void fsl_mc_device_release(struct device *dev) /** * Add a newly discovered fsl-mc device to be visible in Linux */ -int fsl_mc_device_add(struct dprc_obj_desc *obj_desc, +int fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, struct fsl_mc_io *mc_io, struct device *parent_dev, struct fsl_mc_device **new_mc_dev) @@ -538,7 +581,7 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc, } /* Objects are coherent, unless 'no shareability' flag set. */ - if (!(obj_desc->flags & DPRC_OBJ_FLAG_NO_MEM_SHAREABILITY)) + if (!(obj_desc->flags & FSL_MC_OBJ_FLAG_NO_MEM_SHAREABILITY)) arch_setup_dma_ops(&mc_dev->dev, 0, 0, NULL, true); /* @@ -559,10 +602,8 @@ int fsl_mc_device_add(struct dprc_obj_desc *obj_desc, error_cleanup_dev: kfree(mc_dev->regions); - if (mc_bus) - kfree(mc_bus); - else - kfree(mc_dev); + kfree(mc_bus); + kfree(mc_dev); return error; } @@ -644,10 +685,10 @@ static int get_mc_addr_translation_ranges(struct device *dev, const __be32 *cell; ret = parse_mc_ranges(dev, - &paddr_cells, - &mc_addr_cells, - &mc_size_cells, - &ranges_start); + &paddr_cells, + &mc_addr_cells, + &mc_size_cells, + &ranges_start); if (ret < 0) return ret; @@ -693,7 +734,7 @@ static int get_mc_addr_translation_ranges(struct device *dev, */ static int fsl_mc_bus_probe(struct platform_device *pdev) { - struct dprc_obj_desc obj_desc; + struct fsl_mc_obj_desc obj_desc; int error; struct fsl_mc *mc; struct fsl_mc_device *mc_bus_dev = NULL; @@ -752,7 +793,7 @@ static int fsl_mc_bus_probe(struct platform_device *pdev) goto error_cleanup_mc_io; } - memset(&obj_desc, 0, sizeof(struct dprc_obj_desc)); + memset(&obj_desc, 0, sizeof(struct fsl_mc_obj_desc)); error = dprc_get_api_version(mc_io, 0, &obj_desc.ver_major, &obj_desc.ver_minor); diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c index b8b2c86e63d4..c04a2f2b3409 100644 --- a/drivers/staging/fsl-mc/bus/fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/fsl-mc-msi.c @@ -16,7 +16,6 @@ #include <linux/irq.h> #include <linux/irqdomain.h> #include <linux/msi.h> -#include "../include/mc-bus.h" #include "fsl-mc-private.h" /* @@ -170,7 +169,7 @@ struct irq_domain *fsl_mc_msi_create_irq_domain(struct fwnode_handle *fwnode, domain = msi_create_irq_domain(fwnode, info, parent); if (domain) - domain->bus_token = DOMAIN_BUS_FSL_MC_MSI; + irq_domain_update_bus_token(domain, DOMAIN_BUS_FSL_MC_MSI); return domain; } diff --git a/drivers/staging/fsl-mc/bus/fsl-mc-private.h b/drivers/staging/fsl-mc/bus/fsl-mc-private.h index 5c49c9d2df6a..62d398947605 100644 --- a/drivers/staging/fsl-mc/bus/fsl-mc-private.h +++ b/drivers/staging/fsl-mc/bus/fsl-mc-private.h @@ -11,9 +11,56 @@ #define _FSL_MC_PRIVATE_H_ #include "../include/mc.h" -#include "../include/mc-bus.h" +#include "dprc.h" +#include <linux/mutex.h> -int __must_check fsl_mc_device_add(struct dprc_obj_desc *obj_desc, +/** + * Maximum number of total IRQs that can be pre-allocated for an MC bus' + * IRQ pool + */ +#define FSL_MC_IRQ_POOL_MAX_TOTAL_IRQS 256 + +/** + * struct fsl_mc_resource_pool - Pool of MC resources of a given + * type + * @type: type of resources in the pool + * @max_count: maximum number of resources in the pool + * @free_count: number of free resources in the pool + * @mutex: mutex to serialize access to the pool's free list + * @free_list: anchor node of list of free resources in the pool + * @mc_bus: pointer to the MC bus that owns this resource pool + */ +struct fsl_mc_resource_pool { + enum fsl_mc_pool_type type; + int max_count; + int free_count; + struct mutex mutex; /* serializes access to free_list */ + struct list_head free_list; + struct fsl_mc_bus *mc_bus; +}; + +/** + * struct fsl_mc_bus - logical bus that corresponds to a physical DPRC + * @mc_dev: fsl-mc device for the bus device itself. + * @resource_pools: array of resource pools (one pool per resource type) + * for this MC bus. These resources represent allocatable entities + * from the physical DPRC. + * @irq_resources: Pointer to array of IRQ objects for the IRQ pool + * @scan_mutex: Serializes bus scanning + * @dprc_attr: DPRC attributes + */ +struct fsl_mc_bus { + struct fsl_mc_device mc_dev; + struct fsl_mc_resource_pool resource_pools[FSL_MC_NUM_POOL_TYPES]; + struct fsl_mc_device_irq *irq_resources; + struct mutex scan_mutex; /* serializes bus scanning */ + struct dprc_attributes dprc_attr; +}; + +#define to_fsl_mc_bus(_mc_dev) \ + container_of(_mc_dev, struct fsl_mc_bus, mc_dev) + +int __must_check fsl_mc_device_add(struct fsl_mc_obj_desc *obj_desc, struct fsl_mc_io *mc_io, struct device *parent_dev, struct fsl_mc_device **new_mc_dev); @@ -28,6 +75,10 @@ int __init fsl_mc_allocator_driver_init(void); void fsl_mc_allocator_driver_exit(void); +void fsl_mc_init_all_resource_pools(struct fsl_mc_device *mc_bus_dev); + +void fsl_mc_cleanup_all_resource_pools(struct fsl_mc_device *mc_bus_dev); + int __must_check fsl_mc_resource_allocate(struct fsl_mc_bus *mc_bus, enum fsl_mc_pool_type pool_type, struct fsl_mc_resource @@ -44,6 +95,14 @@ int __init its_fsl_mc_msi_init(void); void its_fsl_mc_msi_cleanup(void); +int fsl_mc_find_msi_domain(struct device *mc_platform_dev, + struct irq_domain **mc_msi_domain); + +int fsl_mc_populate_irq_pool(struct fsl_mc_bus *mc_bus, + unsigned int irq_count); + +void fsl_mc_cleanup_irq_pool(struct fsl_mc_bus *mc_bus); + int __must_check fsl_create_mc_io(struct device *dev, phys_addr_t mc_portal_phys_addr, u32 mc_portal_size, @@ -52,4 +111,6 @@ int __must_check fsl_create_mc_io(struct device *dev, void fsl_destroy_mc_io(struct fsl_mc_io *mc_io); +bool fsl_mc_is_root_dprc(struct device *dev); + #endif /* _FSL_MC_PRIVATE_H_ */ diff --git a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c index 49127acb85b2..865d38517508 100644 --- a/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c +++ b/drivers/staging/fsl-mc/bus/irq-gic-v3-its-fsl-mc-msi.c @@ -16,7 +16,6 @@ #include <linux/msi.h> #include <linux/of.h> #include <linux/of_irq.h> -#include "../include/mc-bus.h" #include "fsl-mc-private.h" static struct irq_chip its_msi_irq_chip = { diff --git a/drivers/staging/fsl-mc/bus/mc-io.c b/drivers/staging/fsl-mc/bus/mc-io.c index d66b87f0903b..35221a17858b 100644 --- a/drivers/staging/fsl-mc/bus/mc-io.c +++ b/drivers/staging/fsl-mc/bus/mc-io.c @@ -31,8 +31,7 @@ */ #include <linux/io.h> -#include "../include/mc-bus.h" -#include "../include/mc-sys.h" +#include "../include/mc.h" #include "fsl-mc-private.h" #include "dpmcp.h" diff --git a/drivers/staging/fsl-mc/bus/mc-sys.c b/drivers/staging/fsl-mc/bus/mc-sys.c index 4d82802b384d..a1704c3a6a78 100644 --- a/drivers/staging/fsl-mc/bus/mc-sys.c +++ b/drivers/staging/fsl-mc/bus/mc-sys.c @@ -37,8 +37,6 @@ #include <linux/ioport.h> #include <linux/device.h> #include <linux/io.h> -#include "../include/mc-sys.h" -#include "../include/mc-cmd.h" #include "../include/mc.h" #include "dpmcp.h" |