| /* 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 <German.Rivera@freescale.com> |
| * |
| */ |
| #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 |
| * |
| * 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); |
| }; |
| |
| #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 |
| * @msi_desc: pointer to MSI descriptor allocated by fsl_mc_msi_alloc_descs() |
| * @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 { |
| struct msi_desc *msi_desc; |
| 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 |
| * |
| * 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; |
| 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); |
| |
| 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); |
| |
| /** |
| * 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_ */ |