cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bfa_ioc.h (11270B)


      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Linux network driver for QLogic BR-series Converged Network Adapter.
      4 */
      5/*
      6 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
      7 * Copyright (c) 2014-2015 QLogic Corporation
      8 * All rights reserved
      9 * www.qlogic.com
     10 */
     11
     12#ifndef __BFA_IOC_H__
     13#define __BFA_IOC_H__
     14
     15#include "bfa_cs.h"
     16#include "bfi.h"
     17#include "cna.h"
     18
     19#define BFA_IOC_TOV		3000	/* msecs */
     20#define BFA_IOC_HWSEM_TOV	500	/* msecs */
     21#define BFA_IOC_HB_TOV		500	/* msecs */
     22#define BFA_IOC_POLL_TOV	200	/* msecs */
     23#define BNA_DBG_FWTRC_LEN      (BFI_IOC_TRC_ENTS * BFI_IOC_TRC_ENT_SZ + \
     24				BFI_IOC_TRC_HDR_SZ)
     25
     26/* PCI device information required by IOC */
     27struct bfa_pcidev {
     28	int	pci_slot;
     29	u8	pci_func;
     30	u16	device_id;
     31	u16	ssid;
     32	void	__iomem *pci_bar_kva;
     33};
     34
     35/* Structure used to remember the DMA-able memory block's KVA and Physical
     36 * Address
     37 */
     38struct bfa_dma {
     39	void	*kva;	/* ! Kernel virtual address	*/
     40	u64	pa;	/* ! Physical address		*/
     41};
     42
     43#define BFA_DMA_ALIGN_SZ	256
     44
     45/* smem size for Crossbow and Catapult */
     46#define BFI_SMEM_CB_SIZE	0x200000U	/* ! 2MB for crossbow	*/
     47#define BFI_SMEM_CT_SIZE	0x280000U	/* ! 2.5MB for catapult	*/
     48
     49/* BFA dma address assignment macro. (big endian format) */
     50#define bfa_dma_be_addr_set(dma_addr, pa)	\
     51		__bfa_dma_be_addr_set(&dma_addr, (u64)pa)
     52static inline void
     53__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
     54{
     55	dma_addr->a32.addr_lo = (u32) htonl(pa);
     56	dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
     57}
     58
     59#define bfa_alen_set(__alen, __len, __pa)	\
     60	__bfa_alen_set(__alen, __len, (u64)__pa)
     61
     62static inline void
     63__bfa_alen_set(struct bfi_alen *alen, u32 len, u64 pa)
     64{
     65	alen->al_len = cpu_to_be32(len);
     66	bfa_dma_be_addr_set(alen->al_addr, pa);
     67}
     68
     69struct bfa_ioc_regs {
     70	void __iomem *hfn_mbox_cmd;
     71	void __iomem *hfn_mbox;
     72	void __iomem *lpu_mbox_cmd;
     73	void __iomem *lpu_mbox;
     74	void __iomem *lpu_read_stat;
     75	void __iomem *pss_ctl_reg;
     76	void __iomem *pss_err_status_reg;
     77	void __iomem *app_pll_fast_ctl_reg;
     78	void __iomem *app_pll_slow_ctl_reg;
     79	void __iomem *ioc_sem_reg;
     80	void __iomem *ioc_usage_sem_reg;
     81	void __iomem *ioc_init_sem_reg;
     82	void __iomem *ioc_usage_reg;
     83	void __iomem *host_page_num_fn;
     84	void __iomem *heartbeat;
     85	void __iomem *ioc_fwstate;
     86	void __iomem *alt_ioc_fwstate;
     87	void __iomem *ll_halt;
     88	void __iomem *alt_ll_halt;
     89	void __iomem *err_set;
     90	void __iomem *ioc_fail_sync;
     91	void __iomem *shirq_isr_next;
     92	void __iomem *shirq_msk_next;
     93	void __iomem *smem_page_start;
     94	u32	smem_pg0;
     95};
     96
     97/* IOC Mailbox structures */
     98typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg);
     99struct bfa_mbox_cmd {
    100	struct list_head	qe;
    101	bfa_mbox_cmd_cbfn_t     cbfn;
    102	void		    *cbarg;
    103	u32     msg[BFI_IOC_MSGSZ];
    104};
    105
    106/* IOC mailbox module */
    107typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m);
    108struct bfa_ioc_mbox_mod {
    109	struct list_head	cmd_q;		/*!< pending mbox queue	*/
    110	int			nmclass;	/*!< number of handlers */
    111	struct {
    112		bfa_ioc_mbox_mcfunc_t	cbfn;	/*!< message handlers	*/
    113		void			*cbarg;
    114	} mbhdlr[BFI_MC_MAX];
    115};
    116
    117/* IOC callback function interfaces */
    118typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
    119typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
    120typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
    121typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
    122struct bfa_ioc_cbfn {
    123	bfa_ioc_enable_cbfn_t	enable_cbfn;
    124	bfa_ioc_disable_cbfn_t	disable_cbfn;
    125	bfa_ioc_hbfail_cbfn_t	hbfail_cbfn;
    126	bfa_ioc_reset_cbfn_t	reset_cbfn;
    127};
    128
    129/* IOC event notification mechanism. */
    130enum bfa_ioc_event {
    131	BFA_IOC_E_ENABLED	= 1,
    132	BFA_IOC_E_DISABLED	= 2,
    133	BFA_IOC_E_FAILED	= 3,
    134};
    135
    136typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event);
    137
    138struct bfa_ioc_notify {
    139	struct list_head	qe;
    140	bfa_ioc_notify_cbfn_t	cbfn;
    141	void			*cbarg;
    142};
    143
    144/* Initialize a IOC event notification structure */
    145#define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do {	\
    146	(__notify)->cbfn = (__cbfn);				\
    147	(__notify)->cbarg = (__cbarg);				\
    148} while (0)
    149
    150struct bfa_iocpf {
    151	bfa_fsm_t		fsm;
    152	struct bfa_ioc		*ioc;
    153	bool			fw_mismatch_notified;
    154	bool			auto_recover;
    155	u32			poll_time;
    156};
    157
    158struct bfa_ioc {
    159	bfa_fsm_t		fsm;
    160	struct bfa		*bfa;
    161	struct bfa_pcidev	pcidev;
    162	struct timer_list	ioc_timer;
    163	struct timer_list	iocpf_timer;
    164	struct timer_list	sem_timer;
    165	struct timer_list	hb_timer;
    166	u32			hb_count;
    167	struct list_head	notify_q;
    168	void			*dbg_fwsave;
    169	int			dbg_fwsave_len;
    170	bool			dbg_fwsave_once;
    171	enum bfi_pcifn_class	clscode;
    172	struct bfa_ioc_regs	ioc_regs;
    173	struct bfa_ioc_drv_stats stats;
    174	bool			fcmode;
    175	bool			pllinit;
    176	bool			stats_busy;	/*!< outstanding stats */
    177	u8			port_id;
    178
    179	struct bfa_dma		attr_dma;
    180	struct bfi_ioc_attr	*attr;
    181	struct bfa_ioc_cbfn	*cbfn;
    182	struct bfa_ioc_mbox_mod	mbox_mod;
    183	const struct bfa_ioc_hwif *ioc_hwif;
    184	struct bfa_iocpf	iocpf;
    185	enum bfi_asic_gen	asic_gen;
    186	enum bfi_asic_mode	asic_mode;
    187	enum bfi_port_mode	port0_mode;
    188	enum bfi_port_mode	port1_mode;
    189	enum bfa_mode		port_mode;
    190	u8			ad_cap_bm;	/*!< adapter cap bit mask */
    191	u8			port_mode_cfg;	/*!< config port mode */
    192};
    193
    194struct bfa_ioc_hwif {
    195	enum bfa_status (*ioc_pll_init) (void __iomem *rb,
    196						enum bfi_asic_mode m);
    197	bool		(*ioc_firmware_lock)	(struct bfa_ioc *ioc);
    198	void		(*ioc_firmware_unlock)	(struct bfa_ioc *ioc);
    199	void		(*ioc_reg_init)	(struct bfa_ioc *ioc);
    200	void		(*ioc_map_port)	(struct bfa_ioc *ioc);
    201	void		(*ioc_isr_mode_set)	(struct bfa_ioc *ioc,
    202					bool msix);
    203	void		(*ioc_notify_fail)	(struct bfa_ioc *ioc);
    204	void		(*ioc_ownership_reset)	(struct bfa_ioc *ioc);
    205	bool		(*ioc_sync_start)       (struct bfa_ioc *ioc);
    206	void		(*ioc_sync_join)	(struct bfa_ioc *ioc);
    207	void		(*ioc_sync_leave)	(struct bfa_ioc *ioc);
    208	void		(*ioc_sync_ack)		(struct bfa_ioc *ioc);
    209	bool		(*ioc_sync_complete)	(struct bfa_ioc *ioc);
    210	bool		(*ioc_lpu_read_stat)	(struct bfa_ioc *ioc);
    211	void		(*ioc_set_fwstate)	(struct bfa_ioc *ioc,
    212					enum bfi_ioc_state fwstate);
    213	enum bfi_ioc_state (*ioc_get_fwstate) (struct bfa_ioc *ioc);
    214	void		(*ioc_set_alt_fwstate)	(struct bfa_ioc *ioc,
    215					enum bfi_ioc_state fwstate);
    216	enum bfi_ioc_state (*ioc_get_alt_fwstate) (struct bfa_ioc *ioc);
    217
    218};
    219
    220#define bfa_ioc_pcifn(__ioc)		((__ioc)->pcidev.pci_func)
    221#define bfa_ioc_devid(__ioc)		((__ioc)->pcidev.device_id)
    222#define bfa_ioc_bar0(__ioc)		((__ioc)->pcidev.pci_bar_kva)
    223#define bfa_ioc_portid(__ioc)		((__ioc)->port_id)
    224#define bfa_ioc_asic_gen(__ioc)		((__ioc)->asic_gen)
    225#define bfa_ioc_is_default(__ioc)	\
    226	(bfa_ioc_pcifn(__ioc) == bfa_ioc_portid(__ioc))
    227#define bfa_ioc_speed_sup(__ioc)	\
    228	BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
    229#define bfa_ioc_get_nports(__ioc)	\
    230	BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
    231
    232#define bfa_ioc_stats(_ioc, _stats)	((_ioc)->stats._stats++)
    233#define bfa_ioc_stats_hb_count(_ioc, _hb_count)	\
    234	((_ioc)->stats.hb_count = (_hb_count))
    235#define BFA_IOC_FWIMG_MINSZ	(16 * 1024)
    236#define BFA_IOC_FW_SMEM_SIZE(__ioc)					\
    237	((bfa_ioc_asic_gen(__ioc) == BFI_ASIC_GEN_CB)			\
    238	? BFI_SMEM_CB_SIZE : BFI_SMEM_CT_SIZE)
    239#define BFA_IOC_FLASH_CHUNK_NO(off)		(off / BFI_FLASH_CHUNK_SZ_WORDS)
    240#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off)	(off % BFI_FLASH_CHUNK_SZ_WORDS)
    241#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno)  (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
    242
    243/* IOC mailbox interface */
    244bool bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc,
    245			struct bfa_mbox_cmd *cmd,
    246			bfa_mbox_cmd_cbfn_t cbfn, void *cbarg);
    247void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
    248void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
    249		bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
    250
    251/* IOC interfaces */
    252
    253#define bfa_ioc_pll_init_asic(__ioc) \
    254	((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
    255			   (__ioc)->asic_mode))
    256
    257#define bfa_ioc_lpu_read_stat(__ioc) do {				\
    258		if ((__ioc)->ioc_hwif->ioc_lpu_read_stat)		\
    259			((__ioc)->ioc_hwif->ioc_lpu_read_stat(__ioc));	\
    260} while (0)
    261
    262void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
    263void bfa_nw_ioc_set_ct2_hwif(struct bfa_ioc *ioc);
    264void bfa_nw_ioc_ct2_poweron(struct bfa_ioc *ioc);
    265
    266void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa,
    267		struct bfa_ioc_cbfn *cbfn);
    268void bfa_nw_ioc_auto_recover(bool auto_recover);
    269void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
    270void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
    271		enum bfi_pcifn_class clscode);
    272u32 bfa_nw_ioc_meminfo(void);
    273void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc,  u8 *dm_kva, u64 dm_pa);
    274void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
    275void bfa_nw_ioc_disable(struct bfa_ioc *ioc);
    276
    277void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
    278bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc);
    279bool bfa_nw_ioc_is_operational(struct bfa_ioc *ioc);
    280void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
    281enum bfa_status bfa_nw_ioc_fwsig_invalidate(struct bfa_ioc *ioc);
    282void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
    283	struct bfa_ioc_notify *notify);
    284bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
    285void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
    286void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
    287void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
    288			struct bfi_ioc_image_hdr *fwhdr);
    289bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
    290			struct bfi_ioc_image_hdr *fwhdr);
    291void bfa_nw_ioc_get_mac(struct bfa_ioc *ioc, u8 *mac);
    292void bfa_nw_ioc_debug_memclaim(struct bfa_ioc *ioc, void *dbg_fwsave);
    293int bfa_nw_ioc_debug_fwtrc(struct bfa_ioc *ioc, void *trcdata, int *trclen);
    294int bfa_nw_ioc_debug_fwsave(struct bfa_ioc *ioc, void *trcdata, int *trclen);
    295
    296/*
    297 * Timeout APIs
    298 */
    299void bfa_nw_ioc_timeout(struct bfa_ioc *ioc);
    300void bfa_nw_ioc_hb_check(struct bfa_ioc *ioc);
    301void bfa_nw_iocpf_timeout(struct bfa_ioc *ioc);
    302void bfa_nw_iocpf_sem_timeout(struct bfa_ioc *ioc);
    303
    304/*
    305 * F/W Image Size & Chunk
    306 */
    307u32 *bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off);
    308u32 bfa_cb_image_get_size(enum bfi_asic_gen asic_gen);
    309
    310/*
    311 *	Flash module specific
    312 */
    313typedef void	(*bfa_cb_flash) (void *cbarg, enum bfa_status status);
    314
    315struct bfa_flash {
    316	struct bfa_ioc *ioc;		/* back pointer to ioc */
    317	u32		type;		/* partition type */
    318	u8		instance;	/* partition instance */
    319	u8		rsv[3];
    320	u32		op_busy;	/*  operation busy flag */
    321	u32		residue;	/*  residual length */
    322	u32		offset;		/*  offset */
    323	enum bfa_status	status;		/*  status */
    324	u8		*dbuf_kva;	/*  dma buf virtual address */
    325	u64		dbuf_pa;	/*  dma buf physical address */
    326	bfa_cb_flash	cbfn;		/*  user callback function */
    327	void		*cbarg;		/*  user callback arg */
    328	u8		*ubuf;		/*  user supplied buffer */
    329	u32		addr_off;	/*  partition address offset */
    330	struct bfa_mbox_cmd mb;		/*  mailbox */
    331	struct bfa_ioc_notify ioc_notify; /*  ioc event notify */
    332};
    333
    334enum bfa_status bfa_nw_flash_get_attr(struct bfa_flash *flash,
    335			struct bfa_flash_attr *attr,
    336			bfa_cb_flash cbfn, void *cbarg);
    337enum bfa_status bfa_nw_flash_update_part(struct bfa_flash *flash,
    338			u32 type, u8 instance, void *buf, u32 len, u32 offset,
    339			bfa_cb_flash cbfn, void *cbarg);
    340enum bfa_status bfa_nw_flash_read_part(struct bfa_flash *flash,
    341			u32 type, u8 instance, void *buf, u32 len, u32 offset,
    342			bfa_cb_flash cbfn, void *cbarg);
    343u32	bfa_nw_flash_meminfo(void);
    344void	bfa_nw_flash_attach(struct bfa_flash *flash,
    345			    struct bfa_ioc *ioc, void *dev);
    346void	bfa_nw_flash_memclaim(struct bfa_flash *flash, u8 *dm_kva, u64 dm_pa);
    347
    348#endif /* __BFA_IOC_H__ */