| /* |
| * Copyright (c) 2013-2019 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| /** |
| * DOC: i_osdep |
| * QCA driver framework OS dependent types |
| */ |
| |
| #ifndef _I_OSDEP_H |
| #define _I_OSDEP_H |
| |
| #ifdef CONFIG_MCL |
| #include <cds_queue.h> |
| #else |
| #include <sys/queue.h> |
| #endif |
| |
| /* |
| * Byte Order stuff |
| */ |
| #define le16toh(_x) le16_to_cpu(_x) |
| #define htole16(_x) cpu_to_le16(_x) |
| #define htobe16(_x) cpu_to_be16(_x) |
| #define le32toh(_x) le32_to_cpu(_x) |
| #define htole32(_x) cpu_to_le32(_x) |
| #define be16toh(_x) be16_to_cpu(_x) |
| #define be32toh(_x) be32_to_cpu(_x) |
| #define htobe32(_x) cpu_to_be32(_x) |
| |
| #ifdef CONFIG_SMP |
| /* Undo the one provided by the kernel to debug spin locks */ |
| #undef spin_lock |
| #undef spin_unlock |
| #undef spin_trylock |
| |
| #define spin_lock(x) spin_lock_bh(x) |
| |
| #define spin_unlock(x) \ |
| do { \ |
| if (!spin_is_locked(x)) { \ |
| WARN_ON(1); \ |
| printk(KERN_EMERG " %s:%d unlock addr=%pK, %s \n", __func__, __LINE__, x, \ |
| !spin_is_locked(x) ? "Not locked" : ""); \ |
| } \ |
| spin_unlock_bh(x); \ |
| } while (0) |
| #define spin_trylock(x) spin_trylock_bh(x) |
| #define OS_SUPPORT_ASYNC_Q 1 /* support for handling asyn function calls */ |
| |
| #else |
| #define OS_SUPPORT_ASYNC_Q 0 |
| #endif /* ifdef CONFIG_SMP */ |
| |
| /** |
| * struct os_mest_t - maintain attributes of message |
| * @mesg_next: pointer to the nexgt message |
| * @mest_type: type of message |
| * @mesg_len: length of the message |
| */ |
| typedef struct _os_mesg_t { |
| STAILQ_ENTRY(_os_mesg_t) mesg_next; |
| uint16_t mesg_type; |
| uint16_t mesg_len; |
| } os_mesg_t; |
| |
| /** |
| * struct qdf_bus_context - Bus to hal context handoff |
| * @bc_tag: bus context tag |
| * @cal_in_flash: calibration data stored in flash |
| * @bc_handle: bus context handle |
| * @bc_bustype: bus type |
| */ |
| typedef struct qdf_bus_context { |
| void *bc_tag; |
| int cal_in_flash; |
| char *bc_handle; |
| enum qdf_bus_type bc_bustype; |
| } QDF_BUS_CONTEXT; |
| |
| typedef struct _NIC_DEV *osdev_t; |
| |
| typedef void (*os_mesg_handler_t)(void *ctx, uint16_t mesg_type, |
| uint16_t mesg_len, |
| void *mesg); |
| |
| |
| /** |
| * typedef os_mesg_queue_t - Object to maintain message queue |
| * @dev_handle: OS handle |
| * @num_queued: number of queued messages |
| * @mesg_len: message length |
| * @mesg_queue_buf: pointer to message queue buffer |
| * @mesg_head: queued mesg buffers |
| * @mesg_free_head: free mesg buffers |
| * @lock: spinlock object |
| * @ev_handler_lock: spinlock object to event handler |
| * @task: pointer to task |
| * @_timer: instance of timer |
| * @handler: message handler |
| * @ctx: pointer to context |
| * @is_synchronous: bit to save synchronous status |
| * @del_progress: delete in progress |
| */ |
| typedef struct { |
| osdev_t dev_handle; |
| int32_t num_queued; |
| int32_t mesg_len; |
| uint8_t *mesg_queue_buf; |
| |
| STAILQ_HEAD(, _os_mesg_t) mesg_head; |
| STAILQ_HEAD(, _os_mesg_t) mesg_free_head; |
| spinlock_t lock; |
| spinlock_t ev_handler_lock; |
| #ifdef USE_SOFTINTR |
| void *_task; |
| #else |
| qdf_timer_t _timer; |
| #endif |
| os_mesg_handler_t handler; |
| void *ctx; |
| uint8_t is_synchronous:1; |
| uint8_t del_progress; |
| } os_mesg_queue_t; |
| |
| /** |
| * struct _NIC_DEV - Definition of OS-dependent device structure. |
| * It'll be opaque to the actual ATH layer. |
| * @qdf_dev: qdf device |
| * @bdev: bus device handle |
| * @netdev: net device handle (wifi%d) |
| * @intr_tq: tasklet |
| * @devstats: net device statistics |
| * @bc: hal bus context |
| * @device: generic device |
| * @event_queue: instance to wait queue |
| * @is_device_asleep: keep device status, sleep or awakei |
| * @acfg_event_list: event list |
| * @acfg_event_queue_lock: queue lock |
| * @acfg_event_os_work: schedule or create work |
| * @acfg_netlink_wq_init_done: Work queue ready |
| * @osdev_acfg_handle: acfg handle |
| * @vap_hardstart: Tx function specific to the radio |
| * initiailzed during VAP create |
| */ |
| struct _NIC_DEV { |
| qdf_device_t qdf_dev; |
| void *bdev; |
| struct net_device *netdev; |
| qdf_bh_t intr_tq; |
| #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 36) |
| struct rtnl_link_stats64 devstats; |
| #else |
| struct net_device_stats devstats; |
| #endif |
| QDF_BUS_CONTEXT bc; |
| #ifdef ATH_PERF_PWR_OFFLOAD |
| struct device *device; |
| wait_queue_head_t event_queue; |
| #endif /* PERF_PWR_OFFLOAD */ |
| #if OS_SUPPORT_ASYNC_Q |
| os_mesg_queue_t async_q; |
| #endif |
| #ifdef ATH_BUS_PM |
| uint8_t is_device_asleep; |
| #endif /* ATH_BUS_PM */ |
| qdf_nbuf_queue_t acfg_event_list; |
| qdf_spinlock_t acfg_event_queue_lock; |
| qdf_work_t acfg_event_os_work; |
| uint8_t acfg_netlink_wq_init_done; |
| |
| #ifdef UMAC_SUPPORT_ACFG |
| #ifdef ACFG_NETLINK_TX |
| void *osdev_acfg_handle; |
| #endif /* ACFG_NETLINK_TX */ |
| #endif /* UMAC_SUPPORT_ACFG */ |
| int (*vap_hardstart)(struct sk_buff *skb, struct net_device *dev); |
| }; |
| |
| #define __QDF_SYSCTL_PROC_DOINTVEC(ctl, write, filp, buffer, lenp, ppos) \ |
| proc_dointvec(ctl, write, buffer, lenp, ppos) |
| |
| #endif /* _I_OSDEP_H */ |