185 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			185 lines
		
	
	
		
			5.6 KiB
		
	
	
	
		
			C
		
	
	
		
			Executable File
		
	
	
	
	
/*
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 * Private header file for Linux OS Independent Layer
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 *
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 * Copyright (C) 1999-2019, Broadcom.
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 *
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 *      Unless you and Broadcom execute a separate written software license
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 * agreement governing use of this software, this software is licensed to you
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 * under the terms of the GNU General Public License version 2 (the "GPL"),
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 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
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 * following added to such license:
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 *
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 *      As a special exception, the copyright holders of this software give you
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 * permission to link this software with independent modules, and to copy and
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 * distribute the resulting executable under terms of your choice, provided that
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 * you also meet, for each linked independent module, the terms and conditions of
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 * the license of that module.  An independent module is a module which is not
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 * derived from this software.  The special exception does not apply to any
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 * modifications of the software.
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 *
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 *      Notwithstanding the above, under no circumstances may you combine this
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 * software in any way with any other Broadcom software provided under a license
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 * other than the GPL, without Broadcom's express prior written consent.
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 *
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 *
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 * <<Broadcom-WL-IPTag/Open:>>
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 *
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 * $Id: linux_osl_priv.h 794159 2018-12-12 07:41:14Z $
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 */
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#ifndef _LINUX_OSL_PRIV_H_
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#define _LINUX_OSL_PRIV_H_
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#define OS_HANDLE_MAGIC		0x1234abcd	/* Magic # to recognize osh */
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#define BCM_MEM_FILENAME_LEN	24		/* Mem. filename length */
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/* dependancy check */
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#if !defined(BCMPCIE) && defined(DHD_USE_STATIC_CTRLBUF)
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#error "DHD_USE_STATIC_CTRLBUF suppored PCIE target only"
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#endif /* !BCMPCIE && DHD_USE_STATIC_CTRLBUF */
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#ifdef CONFIG_DHD_USE_STATIC_BUF
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#ifdef DHD_USE_STATIC_CTRLBUF
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#define DHD_SKB_1PAGE_BUFSIZE	(PAGE_SIZE*1)
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#define DHD_SKB_2PAGE_BUFSIZE	(PAGE_SIZE*2)
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#define DHD_SKB_4PAGE_BUFSIZE	(PAGE_SIZE*4)
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#define PREALLOC_FREE_MAGIC	0xFEDC
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#define PREALLOC_USED_MAGIC	0xFCDE
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#else
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#define DHD_SKB_HDRSIZE		336
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#define DHD_SKB_1PAGE_BUFSIZE	((PAGE_SIZE*1)-DHD_SKB_HDRSIZE)
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#define DHD_SKB_2PAGE_BUFSIZE	((PAGE_SIZE*2)-DHD_SKB_HDRSIZE)
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#define DHD_SKB_4PAGE_BUFSIZE	((PAGE_SIZE*4)-DHD_SKB_HDRSIZE)
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#endif /* DHD_USE_STATIC_CTRLBUF */
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#define STATIC_BUF_MAX_NUM	16
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#define STATIC_BUF_SIZE	(PAGE_SIZE*2)
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#define STATIC_BUF_TOTAL_LEN	(STATIC_BUF_MAX_NUM * STATIC_BUF_SIZE)
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typedef struct bcm_static_buf {
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	spinlock_t static_lock;
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	unsigned char *buf_ptr;
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	unsigned char buf_use[STATIC_BUF_MAX_NUM];
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} bcm_static_buf_t;
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extern bcm_static_buf_t *bcm_static_buf;
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#ifdef DHD_USE_STATIC_CTRLBUF
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#define STATIC_PKT_4PAGE_NUM	0
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#define DHD_SKB_MAX_BUFSIZE	DHD_SKB_2PAGE_BUFSIZE
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#elif defined(ENHANCED_STATIC_BUF)
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#define STATIC_PKT_4PAGE_NUM	1
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#define DHD_SKB_MAX_BUFSIZE	DHD_SKB_4PAGE_BUFSIZE
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#else
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#define STATIC_PKT_4PAGE_NUM	0
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#define DHD_SKB_MAX_BUFSIZE	DHD_SKB_2PAGE_BUFSIZE
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#endif /* DHD_USE_STATIC_CTRLBUF */
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#ifdef DHD_USE_STATIC_CTRLBUF
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#define STATIC_PKT_1PAGE_NUM	0
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#define STATIC_PKT_2PAGE_NUM	128
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#else
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#define STATIC_PKT_1PAGE_NUM	8
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#define STATIC_PKT_2PAGE_NUM	8
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#endif /* DHD_USE_STATIC_CTRLBUF */
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#define STATIC_PKT_1_2PAGE_NUM	\
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	((STATIC_PKT_1PAGE_NUM) + (STATIC_PKT_2PAGE_NUM))
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#define STATIC_PKT_MAX_NUM	\
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	((STATIC_PKT_1_2PAGE_NUM) + (STATIC_PKT_4PAGE_NUM))
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typedef struct bcm_static_pkt {
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#ifdef DHD_USE_STATIC_CTRLBUF
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	struct sk_buff *skb_8k[STATIC_PKT_2PAGE_NUM];
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	unsigned char pkt_invalid[STATIC_PKT_2PAGE_NUM];
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	spinlock_t osl_pkt_lock;
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	uint32 last_allocated_index;
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#else
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	struct sk_buff *skb_4k[STATIC_PKT_1PAGE_NUM];
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	struct sk_buff *skb_8k[STATIC_PKT_2PAGE_NUM];
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#ifdef ENHANCED_STATIC_BUF
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	struct sk_buff *skb_16k;
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#endif /* ENHANCED_STATIC_BUF */
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	struct semaphore osl_pkt_sem;
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#endif /* DHD_USE_STATIC_CTRLBUF */
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	unsigned char pkt_use[STATIC_PKT_MAX_NUM];
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} bcm_static_pkt_t;
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extern bcm_static_pkt_t *bcm_static_skb;
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#endif /* CONFIG_DHD_USE_STATIC_BUF */
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typedef struct bcm_mem_link {
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	struct bcm_mem_link *prev;
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	struct bcm_mem_link *next;
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	uint	size;
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	int	line;
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	void 	*osh;
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	char	file[BCM_MEM_FILENAME_LEN];
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} bcm_mem_link_t;
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struct osl_cmn_info {
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	atomic_t malloced;
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	atomic_t pktalloced;    /* Number of allocated packet buffers */
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	spinlock_t dbgmem_lock;
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	bcm_mem_link_t *dbgmem_list;
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	bcm_mem_link_t *dbgvmem_list;
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	spinlock_t pktalloc_lock;
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	atomic_t refcount; /* Number of references to this shared structure. */
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};
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typedef struct osl_cmn_info osl_cmn_t;
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#if defined(BCM_BACKPLANE_TIMEOUT)
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typedef uint32 (*bpt_cb_fn)(void *ctx, void *addr);
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#endif	/* BCM_BACKPLANE_TIMEOUT */
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struct osl_info {
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	osl_pubinfo_t pub;
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	uint32  flags;		/* If specific cases to be handled in the OSL */
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	uint magic;
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	void *pdev;
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	uint failed;
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	uint bustype;
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	osl_cmn_t *cmn; /* Common OSL related data shred between two OSH's */
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	void *bus_handle;
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#ifdef	BCM_SECURE_DMA
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#ifdef NOT_YET
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	struct sec_mem_elem *sec_list_512;
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	struct sec_mem_elem *sec_list_base_512;
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	struct sec_mem_elem *sec_list_2048;
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	struct sec_mem_elem *sec_list_base_2048;
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#endif /* NOT_YET */
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	struct sec_mem_elem *sec_list_4096;
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	struct sec_mem_elem *sec_list_base_4096;
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	phys_addr_t  contig_base;
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	void *contig_base_va;
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	phys_addr_t  contig_base_alloc;
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	void *contig_base_alloc_va;
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	phys_addr_t contig_base_alloc_coherent;
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	void *contig_base_alloc_coherent_va;
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	void *contig_base_coherent_va;
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	void *contig_delta_va_pa;
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	struct {
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		phys_addr_t pa;
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		void *va;
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		bool avail;
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	} sec_cma_coherent[SEC_CMA_COHERENT_MAX];
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	int stb_ext_params;
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#endif /* BCM_SECURE_DMA */
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#if defined(BCM_BACKPLANE_TIMEOUT)
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	bpt_cb_fn bpt_cb;
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	void *sih;
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#endif	/* BCM_BACKPLANE_TIMEOUT */
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#ifdef USE_DMA_LOCK
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	spinlock_t dma_lock;
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	bool dma_lock_bh;
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#endif /* USE_DMA_LOCK */
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#ifdef DHD_MAP_LOGGING
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	void *dhd_map_log;
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	void *dhd_unmap_log;
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#endif /* DHD_MAP_LOGGING */
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};
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#endif /* _LINUX_OSL_PRIV_H_ */
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