123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683 |
- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Freescale Management Complex (MC) bus public interface
- *
- * Copyright (C) 2014-2016 Freescale Semiconductor, Inc.
- * Copyright 2019-2020 NXP
- * Author: German Rivera <[email protected]>
- *
- */
- #ifndef _FSL_MC_H_
- #define _FSL_MC_H_
- #include <linux/device.h>
- #include <linux/mod_devicetable.h>
- #include <linux/interrupt.h>
- #include <uapi/linux/fsl_mc.h>
- #define FSL_MC_VENDOR_FREESCALE 0x1957
- struct irq_domain;
- struct msi_domain_info;
- struct fsl_mc_device;
- struct fsl_mc_io;
- /**
- * struct fsl_mc_driver - MC object device driver object
- * @driver: Generic device driver
- * @match_id_table: table of supported device matching Ids
- * @probe: Function called when a device is added
- * @remove: Function called when a device is removed
- * @shutdown: Function called at shutdown time to quiesce the device
- * @suspend: Function called when a device is stopped
- * @resume: Function called when a device is resumed
- * @driver_managed_dma: Device driver doesn't use kernel DMA API for DMA.
- * For most device drivers, no need to care about this flag
- * as long as all DMAs are handled through the kernel DMA API.
- * For some special ones, for example VFIO drivers, they know
- * how to manage the DMA themselves and set this flag so that
- * the IOMMU layer will allow them to setup and manage their
- * own I/O address space.
- *
- * Generic DPAA device driver object for device drivers that are registered
- * with a DPRC bus. This structure is to be embedded in each device-specific
- * driver structure.
- */
- struct fsl_mc_driver {
- struct device_driver driver;
- const struct fsl_mc_device_id *match_id_table;
- int (*probe)(struct fsl_mc_device *dev);
- int (*remove)(struct fsl_mc_device *dev);
- void (*shutdown)(struct fsl_mc_device *dev);
- int (*suspend)(struct fsl_mc_device *dev, pm_message_t state);
- int (*resume)(struct fsl_mc_device *dev);
- bool driver_managed_dma;
- };
- #define to_fsl_mc_driver(_drv) \
- container_of(_drv, struct fsl_mc_driver, driver)
- /**
- * enum fsl_mc_pool_type - Types of allocatable MC bus resources
- *
- * Entries in these enum are used as indices in the array of resource
- * pools of an fsl_mc_bus object.
- */
- enum fsl_mc_pool_type {
- FSL_MC_POOL_DPMCP = 0x0, /* corresponds to "dpmcp" in the MC */
- FSL_MC_POOL_DPBP, /* corresponds to "dpbp" in the MC */
- FSL_MC_POOL_DPCON, /* corresponds to "dpcon" in the MC */
- FSL_MC_POOL_IRQ,
- /*
- * NOTE: New resource pool types must be added before this entry
- */
- FSL_MC_NUM_POOL_TYPES
- };
- /**
- * struct fsl_mc_resource - MC generic resource
- * @type: type of resource
- * @id: unique MC resource Id within the resources of the same type
- * @data: pointer to resource-specific data if the resource is currently
- * allocated, or NULL if the resource is not currently allocated.
- * @parent_pool: pointer to the parent resource pool from which this
- * resource is allocated from.
- * @node: Node in the free list of the corresponding resource pool
- *
- * NOTE: This structure is to be embedded as a field of specific
- * MC resource structures.
- */
- struct fsl_mc_resource {
- enum fsl_mc_pool_type type;
- s32 id;
- void *data;
- struct fsl_mc_resource_pool *parent_pool;
- struct list_head node;
- };
- /**
- * struct fsl_mc_device_irq - MC object device message-based interrupt
- * @virq: Linux virtual interrupt number
- * @mc_dev: MC object device that owns this interrupt
- * @dev_irq_index: device-relative IRQ index
- * @resource: MC generic resource associated with the interrupt
- */
- struct fsl_mc_device_irq {
- unsigned int virq;
- struct fsl_mc_device *mc_dev;
- u8 dev_irq_index;
- struct fsl_mc_resource resource;
- };
- #define to_fsl_mc_irq(_mc_resource) \
- container_of(_mc_resource, struct fsl_mc_device_irq, resource)
- /* Opened state - Indicates that an object is open by at least one owner */
- #define FSL_MC_OBJ_STATE_OPEN 0x00000001
- /* Plugged state - Indicates that the object is plugged */
- #define FSL_MC_OBJ_STATE_PLUGGED 0x00000002
- /**
- * Shareability flag - Object flag indicating no memory shareability.
- * the object generates memory accesses that are non coherent with other
- * masters;
- * user is responsible for proper memory handling through IOMMU configuration.
- */
- #define FSL_MC_OBJ_FLAG_NO_MEM_SHAREABILITY 0x0001
- /**
- * struct fsl_mc_obj_desc - Object descriptor
- * @type: Type of object: NULL terminated string
- * @id: ID of logical object resource
- * @vendor: Object vendor identifier
- * @ver_major: Major version number
- * @ver_minor: Minor version number
- * @irq_count: Number of interrupts supported by the object
- * @region_count: Number of mappable regions supported by the object
- * @state: Object state: combination of FSL_MC_OBJ_STATE_ states
- * @label: Object label: NULL terminated string
- * @flags: Object's flags
- */
- struct fsl_mc_obj_desc {
- char type[16];
- int id;
- u16 vendor;
- u16 ver_major;
- u16 ver_minor;
- u8 irq_count;
- u8 region_count;
- u32 state;
- char label[16];
- u16 flags;
- };
- /**
- * Bit masks for a MC object device (struct fsl_mc_device) flags
- */
- #define FSL_MC_IS_DPRC 0x0001
- /* Region flags */
- /* Indicates that region can be mapped as cacheable */
- #define FSL_MC_REGION_CACHEABLE 0x00000001
- /* Indicates that region can be mapped as shareable */
- #define FSL_MC_REGION_SHAREABLE 0x00000002
- /**
- * struct fsl_mc_device - MC object device object
- * @dev: Linux driver model device object
- * @dma_mask: Default DMA mask
- * @flags: MC object device flags
- * @icid: Isolation context ID for the device
- * @mc_handle: MC handle for the corresponding MC object opened
- * @mc_io: Pointer to MC IO object assigned to this device or
- * NULL if none.
- * @obj_desc: MC description of the DPAA device
- * @regions: pointer to array of MMIO region entries
- * @irqs: pointer to array of pointers to interrupts allocated to this device
- * @resource: generic resource associated with this MC object device, if any.
- * @driver_override: driver name to force a match; do not set directly,
- * because core frees it; use driver_set_override() to
- * set or clear it.
- *
- * Generic device object for MC object devices that are "attached" to a
- * MC bus.
- *
- * NOTES:
- * - For a non-DPRC object its icid is the same as its parent DPRC's icid.
- * - The SMMU notifier callback gets invoked after device_add() has been
- * called for an MC object device, but before the device-specific probe
- * callback gets called.
- * - DP_OBJ_DPRC objects are the only MC objects that have built-in MC
- * portals. For all other MC objects, their device drivers are responsible for
- * allocating MC portals for them by calling fsl_mc_portal_allocate().
- * - Some types of MC objects (e.g., DP_OBJ_DPBP, DP_OBJ_DPCON) are
- * treated as resources that can be allocated/deallocated from the
- * corresponding resource pool in the object's parent DPRC, using the
- * fsl_mc_object_allocate()/fsl_mc_object_free() functions. These MC objects
- * are known as "allocatable" objects. For them, the corresponding
- * fsl_mc_device's 'resource' points to the associated resource object.
- * For MC objects that are not allocatable (e.g., DP_OBJ_DPRC, DP_OBJ_DPNI),
- * 'resource' is NULL.
- */
- struct fsl_mc_device {
- struct device dev;
- u64 dma_mask;
- u16 flags;
- u32 icid;
- u16 mc_handle;
- struct fsl_mc_io *mc_io;
- struct fsl_mc_obj_desc obj_desc;
- struct resource *regions;
- struct fsl_mc_device_irq **irqs;
- struct fsl_mc_resource *resource;
- struct device_link *consumer_link;
- const char *driver_override;
- };
- #define to_fsl_mc_device(_dev) \
- container_of(_dev, struct fsl_mc_device, dev)
- struct mc_cmd_header {
- u8 src_id;
- u8 flags_hw;
- u8 status;
- u8 flags_sw;
- __le16 token;
- __le16 cmd_id;
- };
- enum mc_cmd_status {
- MC_CMD_STATUS_OK = 0x0, /* Completed successfully */
- MC_CMD_STATUS_READY = 0x1, /* Ready to be processed */
- MC_CMD_STATUS_AUTH_ERR = 0x3, /* Authentication error */
- MC_CMD_STATUS_NO_PRIVILEGE = 0x4, /* No privilege */
- MC_CMD_STATUS_DMA_ERR = 0x5, /* DMA or I/O error */
- MC_CMD_STATUS_CONFIG_ERR = 0x6, /* Configuration error */
- MC_CMD_STATUS_TIMEOUT = 0x7, /* Operation timed out */
- MC_CMD_STATUS_NO_RESOURCE = 0x8, /* No resources */
- MC_CMD_STATUS_NO_MEMORY = 0x9, /* No memory available */
- MC_CMD_STATUS_BUSY = 0xA, /* Device is busy */
- MC_CMD_STATUS_UNSUPPORTED_OP = 0xB, /* Unsupported operation */
- MC_CMD_STATUS_INVALID_STATE = 0xC /* Invalid state */
- };
- /*
- * MC command flags
- */
- /* High priority flag */
- #define MC_CMD_FLAG_PRI 0x80
- /* Command completion flag */
- #define MC_CMD_FLAG_INTR_DIS 0x01
- static inline __le64 mc_encode_cmd_header(u16 cmd_id,
- u32 cmd_flags,
- u16 token)
- {
- __le64 header = 0;
- struct mc_cmd_header *hdr = (struct mc_cmd_header *)&header;
- hdr->cmd_id = cpu_to_le16(cmd_id);
- hdr->token = cpu_to_le16(token);
- hdr->status = MC_CMD_STATUS_READY;
- if (cmd_flags & MC_CMD_FLAG_PRI)
- hdr->flags_hw = MC_CMD_FLAG_PRI;
- if (cmd_flags & MC_CMD_FLAG_INTR_DIS)
- hdr->flags_sw = MC_CMD_FLAG_INTR_DIS;
- return header;
- }
- static inline u16 mc_cmd_hdr_read_token(struct fsl_mc_command *cmd)
- {
- struct mc_cmd_header *hdr = (struct mc_cmd_header *)&cmd->header;
- u16 token = le16_to_cpu(hdr->token);
- return token;
- }
- struct mc_rsp_create {
- __le32 object_id;
- };
- struct mc_rsp_api_ver {
- __le16 major_ver;
- __le16 minor_ver;
- };
- static inline u32 mc_cmd_read_object_id(struct fsl_mc_command *cmd)
- {
- struct mc_rsp_create *rsp_params;
- rsp_params = (struct mc_rsp_create *)cmd->params;
- return le32_to_cpu(rsp_params->object_id);
- }
- static inline void mc_cmd_read_api_version(struct fsl_mc_command *cmd,
- u16 *major_ver,
- u16 *minor_ver)
- {
- struct mc_rsp_api_ver *rsp_params;
- rsp_params = (struct mc_rsp_api_ver *)cmd->params;
- *major_ver = le16_to_cpu(rsp_params->major_ver);
- *minor_ver = le16_to_cpu(rsp_params->minor_ver);
- }
- /**
- * Bit masks for a MC I/O object (struct fsl_mc_io) flags
- */
- #define FSL_MC_IO_ATOMIC_CONTEXT_PORTAL 0x0001
- /**
- * struct fsl_mc_io - MC I/O object to be passed-in to mc_send_command()
- * @dev: device associated with this Mc I/O object
- * @flags: flags for mc_send_command()
- * @portal_size: MC command portal size in bytes
- * @portal_phys_addr: MC command portal physical address
- * @portal_virt_addr: MC command portal virtual address
- * @dpmcp_dev: pointer to the DPMCP device associated with the MC portal.
- *
- * Fields are only meaningful if the FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is not
- * set:
- * @mutex: Mutex to serialize mc_send_command() calls that use the same MC
- * portal, if the fsl_mc_io object was created with the
- * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag off. mc_send_command() calls for this
- * fsl_mc_io object must be made only from non-atomic context.
- *
- * Fields are only meaningful if the FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is
- * set:
- * @spinlock: Spinlock to serialize mc_send_command() calls that use the same MC
- * portal, if the fsl_mc_io object was created with the
- * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag on. mc_send_command() calls for this
- * fsl_mc_io object can be made from atomic or non-atomic context.
- */
- struct fsl_mc_io {
- struct device *dev;
- u16 flags;
- u32 portal_size;
- phys_addr_t portal_phys_addr;
- void __iomem *portal_virt_addr;
- struct fsl_mc_device *dpmcp_dev;
- union {
- /*
- * This field is only meaningful if the
- * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is not set
- */
- struct mutex mutex; /* serializes mc_send_command() */
- /*
- * This field is only meaningful if the
- * FSL_MC_IO_ATOMIC_CONTEXT_PORTAL flag is set
- */
- raw_spinlock_t spinlock; /* serializes mc_send_command() */
- };
- };
- int mc_send_command(struct fsl_mc_io *mc_io, struct fsl_mc_command *cmd);
- #ifdef CONFIG_FSL_MC_BUS
- #define dev_is_fsl_mc(_dev) ((_dev)->bus == &fsl_mc_bus_type)
- #else
- /* If fsl-mc bus is not present device cannot belong to fsl-mc bus */
- #define dev_is_fsl_mc(_dev) (0)
- #endif
- /* Macro to check if a device is a container device */
- #define fsl_mc_is_cont_dev(_dev) (to_fsl_mc_device(_dev)->flags & \
- FSL_MC_IS_DPRC)
- /* Macro to get the container device of a MC device */
- #define fsl_mc_cont_dev(_dev) (fsl_mc_is_cont_dev(_dev) ? \
- (_dev) : (_dev)->parent)
- /*
- * module_fsl_mc_driver() - Helper macro for drivers that don't do
- * anything special in module init/exit. This eliminates a lot of
- * boilerplate. Each module may only use this macro once, and
- * calling it replaces module_init() and module_exit()
- */
- #define module_fsl_mc_driver(__fsl_mc_driver) \
- module_driver(__fsl_mc_driver, fsl_mc_driver_register, \
- fsl_mc_driver_unregister)
- /*
- * Macro to avoid include chaining to get THIS_MODULE
- */
- #define fsl_mc_driver_register(drv) \
- __fsl_mc_driver_register(drv, THIS_MODULE)
- int __must_check __fsl_mc_driver_register(struct fsl_mc_driver *fsl_mc_driver,
- struct module *owner);
- void fsl_mc_driver_unregister(struct fsl_mc_driver *driver);
- /**
- * struct fsl_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 fsl_mc_version {
- u32 major;
- u32 minor;
- u32 revision;
- };
- struct fsl_mc_version *fsl_mc_get_version(void);
- int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
- u16 mc_io_flags,
- struct fsl_mc_io **new_mc_io);
- void fsl_mc_portal_free(struct fsl_mc_io *mc_io);
- int fsl_mc_portal_reset(struct fsl_mc_io *mc_io);
- int __must_check fsl_mc_object_allocate(struct fsl_mc_device *mc_dev,
- enum fsl_mc_pool_type pool_type,
- struct fsl_mc_device **new_mc_adev);
- void fsl_mc_object_free(struct fsl_mc_device *mc_adev);
- struct irq_domain *fsl_mc_msi_create_irq_domain(struct fwnode_handle *fwnode,
- struct msi_domain_info *info,
- struct irq_domain *parent);
- int __must_check fsl_mc_allocate_irqs(struct fsl_mc_device *mc_dev);
- void fsl_mc_free_irqs(struct fsl_mc_device *mc_dev);
- struct fsl_mc_device *fsl_mc_get_endpoint(struct fsl_mc_device *mc_dev,
- u16 if_id);
- extern struct bus_type fsl_mc_bus_type;
- extern struct device_type fsl_mc_bus_dprc_type;
- extern struct device_type fsl_mc_bus_dpni_type;
- extern struct device_type fsl_mc_bus_dpio_type;
- extern struct device_type fsl_mc_bus_dpsw_type;
- extern struct device_type fsl_mc_bus_dpbp_type;
- extern struct device_type fsl_mc_bus_dpcon_type;
- extern struct device_type fsl_mc_bus_dpmcp_type;
- extern struct device_type fsl_mc_bus_dpmac_type;
- extern struct device_type fsl_mc_bus_dprtc_type;
- extern struct device_type fsl_mc_bus_dpseci_type;
- extern struct device_type fsl_mc_bus_dpdmux_type;
- extern struct device_type fsl_mc_bus_dpdcei_type;
- extern struct device_type fsl_mc_bus_dpaiop_type;
- extern struct device_type fsl_mc_bus_dpci_type;
- extern struct device_type fsl_mc_bus_dpdmai_type;
- static inline bool is_fsl_mc_bus_dprc(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dprc_type;
- }
- static inline bool is_fsl_mc_bus_dpni(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpni_type;
- }
- static inline bool is_fsl_mc_bus_dpio(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpio_type;
- }
- static inline bool is_fsl_mc_bus_dpsw(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpsw_type;
- }
- static inline bool is_fsl_mc_bus_dpdmux(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpdmux_type;
- }
- static inline bool is_fsl_mc_bus_dpbp(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpbp_type;
- }
- static inline bool is_fsl_mc_bus_dpcon(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpcon_type;
- }
- static inline bool is_fsl_mc_bus_dpmcp(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpmcp_type;
- }
- static inline bool is_fsl_mc_bus_dpmac(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpmac_type;
- }
- static inline bool is_fsl_mc_bus_dprtc(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dprtc_type;
- }
- static inline bool is_fsl_mc_bus_dpseci(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpseci_type;
- }
- static inline bool is_fsl_mc_bus_dpdcei(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpdcei_type;
- }
- static inline bool is_fsl_mc_bus_dpaiop(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpaiop_type;
- }
- static inline bool is_fsl_mc_bus_dpci(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpci_type;
- }
- static inline bool is_fsl_mc_bus_dpdmai(const struct fsl_mc_device *mc_dev)
- {
- return mc_dev->dev.type == &fsl_mc_bus_dpdmai_type;
- }
- #define DPRC_RESET_OPTION_NON_RECURSIVE 0x00000001
- int dprc_reset_container(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- int child_container_id,
- u32 options);
- int dprc_scan_container(struct fsl_mc_device *mc_bus_dev,
- bool alloc_interrupts);
- void dprc_remove_devices(struct fsl_mc_device *mc_bus_dev,
- struct fsl_mc_obj_desc *obj_desc_array,
- int num_child_objects_in_mc);
- int dprc_cleanup(struct fsl_mc_device *mc_dev);
- int dprc_setup(struct fsl_mc_device *mc_dev);
- /**
- * 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
- int fsl_mc_populate_irq_pool(struct fsl_mc_device *mc_bus_dev,
- unsigned int irq_count);
- void fsl_mc_cleanup_irq_pool(struct fsl_mc_device *mc_bus_dev);
- /*
- * Data Path Buffer Pool (DPBP) API
- * Contains initialization APIs and runtime control APIs for DPBP
- */
- int dpbp_open(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- int dpbp_id,
- u16 *token);
- int dpbp_close(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int dpbp_enable(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int dpbp_disable(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int dpbp_reset(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- /**
- * struct dpbp_attr - Structure representing DPBP attributes
- * @id: DPBP object ID
- * @bpid: Hardware buffer pool ID; should be used as an argument in
- * acquire/release operations on buffers
- */
- struct dpbp_attr {
- int id;
- u16 bpid;
- };
- int dpbp_get_attributes(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- struct dpbp_attr *attr);
- /* Data Path Concentrator (DPCON) API
- * Contains initialization APIs and runtime control APIs for DPCON
- */
- /**
- * Use it to disable notifications; see dpcon_set_notification()
- */
- #define DPCON_INVALID_DPIO_ID (int)(-1)
- int dpcon_open(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- int dpcon_id,
- u16 *token);
- int dpcon_close(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int dpcon_enable(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int dpcon_disable(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int dpcon_reset(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int fsl_mc_obj_open(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- int obj_id,
- char *obj_type,
- u16 *token);
- int fsl_mc_obj_close(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- int fsl_mc_obj_reset(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token);
- /**
- * struct dpcon_attr - Structure representing DPCON attributes
- * @id: DPCON object ID
- * @qbman_ch_id: Channel ID to be used by dequeue operation
- * @num_priorities: Number of priorities for the DPCON channel (1-8)
- */
- struct dpcon_attr {
- int id;
- u16 qbman_ch_id;
- u8 num_priorities;
- };
- int dpcon_get_attributes(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- struct dpcon_attr *attr);
- /**
- * struct dpcon_notification_cfg - Structure representing notification params
- * @dpio_id: DPIO object ID; must be configured with a notification channel;
- * to disable notifications set it to 'DPCON_INVALID_DPIO_ID';
- * @priority: Priority selection within the DPIO channel; valid values
- * are 0-7, depending on the number of priorities in that channel
- * @user_ctx: User context value provided with each CDAN message
- */
- struct dpcon_notification_cfg {
- int dpio_id;
- u8 priority;
- u64 user_ctx;
- };
- int dpcon_set_notification(struct fsl_mc_io *mc_io,
- u32 cmd_flags,
- u16 token,
- struct dpcon_notification_cfg *cfg);
- #endif /* _FSL_MC_H_ */
|