diff options
Diffstat (limited to 'drivers/scsi/csiostor/csio_hw.h')
| -rw-r--r-- | drivers/scsi/csiostor/csio_hw.h | 643 | 
1 files changed, 643 insertions, 0 deletions
diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h new file mode 100644 index 00000000000..49b1daa4476 --- /dev/null +++ b/drivers/scsi/csiostor/csio_hw.h @@ -0,0 +1,643 @@ +/* + * This file is part of the Chelsio FCoE driver for Linux. + * + * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved. + * + * This software is available to you under a choice of one of two + * licenses.  You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the + * OpenIB.org BSD license below: + * + *     Redistribution and use in source and binary forms, with or + *     without modification, are permitted provided that the following + *     conditions are met: + * + *      - Redistributions of source code must retain the above + *        copyright notice, this list of conditions and the following + *        disclaimer. + * + *      - Redistributions in binary form must reproduce the above + *        copyright notice, this list of conditions and the following + *        disclaimer in the documentation and/or other materials + *        provided with the distribution. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN + * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ + +#ifndef __CSIO_HW_H__ +#define __CSIO_HW_H__ + +#include <linux/kernel.h> +#include <linux/pci.h> +#include <linux/device.h> +#include <linux/workqueue.h> +#include <linux/compiler.h> +#include <linux/cdev.h> +#include <linux/list.h> +#include <linux/mempool.h> +#include <linux/io.h> +#include <linux/spinlock_types.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_transport_fc.h> + +#include "csio_hw_chip.h" +#include "csio_wr.h" +#include "csio_mb.h" +#include "csio_scsi.h" +#include "csio_defs.h" +#include "t4_regs.h" +#include "t4_msg.h" + +/* + * An error value used by host. Should not clash with FW defined return values. + */ +#define	FW_HOSTERROR			255 + +#define CSIO_HW_NAME		"Chelsio FCoE Adapter" +#define CSIO_MAX_PFN		8 +#define CSIO_MAX_PPORTS		4 + +#define CSIO_MAX_LUN		0xFFFF +#define CSIO_MAX_QUEUE		2048 +#define CSIO_MAX_CMD_PER_LUN	32 +#define CSIO_MAX_DDP_BUF_SIZE	(1024 * 1024) +#define CSIO_MAX_SECTOR_SIZE	128 + +/* Interrupts */ +#define CSIO_EXTRA_MSI_IQS	2	/* Extra iqs for INTX/MSI mode +					 * (Forward intr iq + fw iq) */ +#define CSIO_EXTRA_VECS		2	/* non-data + FW evt */ +#define CSIO_MAX_SCSI_CPU	128 +#define CSIO_MAX_SCSI_QSETS	(CSIO_MAX_SCSI_CPU * CSIO_MAX_PPORTS) +#define CSIO_MAX_MSIX_VECS	(CSIO_MAX_SCSI_QSETS + CSIO_EXTRA_VECS) + +/* Queues */ +enum { +	CSIO_INTR_WRSIZE = 128, +	CSIO_INTR_IQSIZE = ((CSIO_MAX_MSIX_VECS + 1) * CSIO_INTR_WRSIZE), +	CSIO_FWEVT_WRSIZE = 128, +	CSIO_FWEVT_IQLEN = 128, +	CSIO_FWEVT_FLBUFS = 64, +	CSIO_FWEVT_IQSIZE = (CSIO_FWEVT_WRSIZE * CSIO_FWEVT_IQLEN), +	CSIO_HW_NIQ = 1, +	CSIO_HW_NFLQ = 1, +	CSIO_HW_NEQ = 1, +	CSIO_HW_NINTXQ = 1, +}; + +struct csio_msix_entries { +	unsigned short	vector;		/* Vector assigned by pci_enable_msix */ +	void		*dev_id;	/* Priv object associated w/ this msix*/ +	char		desc[24];	/* Description of this vector */ +}; + +struct csio_scsi_qset { +	int		iq_idx;		/* Ingress index */ +	int		eq_idx;		/* Egress index */ +	uint32_t	intr_idx;	/* MSIX Vector index */ +}; + +struct csio_scsi_cpu_info { +	int16_t	max_cpus; +}; + +extern int csio_dbg_level; +extern int csio_force_master; +extern unsigned int csio_port_mask; +extern int csio_msi; + +#define CSIO_VENDOR_ID				0x1425 +#define CSIO_ASIC_DEVID_PROTO_MASK		0xFF00 +#define CSIO_ASIC_DEVID_TYPE_MASK		0x00FF + +#define CSIO_GLBL_INTR_MASK		(CIM | MPS | PL | PCIE | MC | EDC0 | \ +					 EDC1 | LE | TP | MA | PM_TX | PM_RX | \ +					 ULP_RX | CPL_SWITCH | SGE | \ +					 ULP_TX | SF) + +/* + * Hard parameters used to initialize the card in the absence of a + * configuration file. + */ +enum { +	/* General */ +	CSIO_SGE_DBFIFO_INT_THRESH	= 10, + +	CSIO_SGE_RX_DMA_OFFSET		= 2, + +	CSIO_SGE_FLBUF_SIZE1		= 65536, +	CSIO_SGE_FLBUF_SIZE2		= 1536, +	CSIO_SGE_FLBUF_SIZE3		= 9024, +	CSIO_SGE_FLBUF_SIZE4		= 9216, +	CSIO_SGE_FLBUF_SIZE5		= 2048, +	CSIO_SGE_FLBUF_SIZE6		= 128, +	CSIO_SGE_FLBUF_SIZE7		= 8192, +	CSIO_SGE_FLBUF_SIZE8		= 16384, + +	CSIO_SGE_TIMER_VAL_0		= 5, +	CSIO_SGE_TIMER_VAL_1		= 10, +	CSIO_SGE_TIMER_VAL_2		= 20, +	CSIO_SGE_TIMER_VAL_3		= 50, +	CSIO_SGE_TIMER_VAL_4		= 100, +	CSIO_SGE_TIMER_VAL_5		= 200, + +	CSIO_SGE_INT_CNT_VAL_0		= 1, +	CSIO_SGE_INT_CNT_VAL_1		= 4, +	CSIO_SGE_INT_CNT_VAL_2		= 8, +	CSIO_SGE_INT_CNT_VAL_3		= 16, +}; + +/* Slowpath events */ +enum csio_evt { +	CSIO_EVT_FW  = 0,	/* FW event */ +	CSIO_EVT_MBX,		/* MBX event */ +	CSIO_EVT_SCN,		/* State change notification */ +	CSIO_EVT_DEV_LOSS,	/* Device loss event */ +	CSIO_EVT_MAX,		/* Max supported event */ +}; + +#define CSIO_EVT_MSG_SIZE	512 +#define CSIO_EVTQ_SIZE		512 + +/* Event msg  */ +struct csio_evt_msg { +	struct list_head	list;	/* evt queue*/ +	enum csio_evt		type; +	uint8_t			data[CSIO_EVT_MSG_SIZE]; +}; + +enum { +	EEPROMVSIZE    = 32768, /* Serial EEPROM virtual address space size */ +	SERNUM_LEN     = 16,    /* Serial # length */ +	EC_LEN         = 16,    /* E/C length */ +	ID_LEN         = 16,    /* ID length */ +	TRACE_LEN      = 112,   /* length of trace data and mask */ +}; + +enum { +	SF_PAGE_SIZE = 256,           /* serial flash page size */ +	SF_SEC_SIZE = 64 * 1024,      /* serial flash sector size */ +	SF_SIZE = SF_SEC_SIZE * 16,   /* serial flash size */ +}; + +/* serial flash and firmware constants */ +enum { +	SF_ATTEMPTS = 10,             /* max retries for SF operations */ + +	/* flash command opcodes */ +	SF_PROG_PAGE    = 2,          /* program page */ +	SF_WR_DISABLE   = 4,          /* disable writes */ +	SF_RD_STATUS    = 5,          /* read status register */ +	SF_WR_ENABLE    = 6,          /* enable writes */ +	SF_RD_DATA_FAST = 0xb,        /* read flash */ +	SF_RD_ID	= 0x9f,	      /* read ID */ +	SF_ERASE_SECTOR = 0xd8,       /* erase sector */ + +	FW_START_SEC = 8,             /* first flash sector for FW */ +	FW_END_SEC = 15,              /* last flash sector for FW */ +	FW_IMG_START = FW_START_SEC * SF_SEC_SIZE, +	FW_MAX_SIZE = (FW_END_SEC - FW_START_SEC + 1) * SF_SEC_SIZE, + +	FLASH_CFG_MAX_SIZE    = 0x10000 , /* max size of the flash config file*/ +	FLASH_CFG_OFFSET      = 0x1f0000, +	FLASH_CFG_START_SEC   = FLASH_CFG_OFFSET / SF_SEC_SIZE, +}; + +/* + * Flash layout. + */ +#define FLASH_START(start)	((start) * SF_SEC_SIZE) +#define FLASH_MAX_SIZE(nsecs)	((nsecs) * SF_SEC_SIZE) + +enum { +	/* +	 * Location of firmware image in FLASH. +	 */ +	FLASH_FW_START_SEC = 8, +	FLASH_FW_NSECS = 8, +	FLASH_FW_START = FLASH_START(FLASH_FW_START_SEC), +	FLASH_FW_MAX_SIZE = FLASH_MAX_SIZE(FLASH_FW_NSECS), + +	/* Location of Firmware Configuration File in FLASH. */ +	FLASH_CFG_START = FLASH_START(FLASH_CFG_START_SEC), +}; + +#undef FLASH_START +#undef FLASH_MAX_SIZE + +/* Management module */ +enum { +	CSIO_MGMT_EQ_WRSIZE = 512, +	CSIO_MGMT_IQ_WRSIZE = 128, +	CSIO_MGMT_EQLEN = 64, +	CSIO_MGMT_IQLEN = 64, +}; + +#define CSIO_MGMT_EQSIZE	(CSIO_MGMT_EQLEN * CSIO_MGMT_EQ_WRSIZE) +#define CSIO_MGMT_IQSIZE	(CSIO_MGMT_IQLEN * CSIO_MGMT_IQ_WRSIZE) + +/* mgmt module stats */ +struct csio_mgmtm_stats { +	uint32_t	n_abort_req;		/* Total abort request */ +	uint32_t	n_abort_rsp;		/* Total abort response */ +	uint32_t	n_close_req;		/* Total close request */ +	uint32_t	n_close_rsp;		/* Total close response */ +	uint32_t	n_err;			/* Total Errors */ +	uint32_t	n_drop;			/* Total request dropped */ +	uint32_t	n_active;		/* Count of active_q */ +	uint32_t	n_cbfn;			/* Count of cbfn_q */ +}; + +/* MGMT module */ +struct csio_mgmtm { +	struct	csio_hw		*hw;		/* Pointer to HW moduel */ +	int			eq_idx;		/* Egress queue index */ +	int			iq_idx;		/* Ingress queue index */ +	int			msi_vec;	/* MSI vector */ +	struct list_head	active_q;	/* Outstanding ELS/CT */ +	struct list_head	abort_q;	/* Outstanding abort req */ +	struct list_head	cbfn_q;		/* Completion queue */ +	struct list_head	mgmt_req_freelist; /* Free poll of reqs */ +						/* ELSCT request freelist*/ +	struct timer_list	mgmt_timer;	/* MGMT timer */ +	struct csio_mgmtm_stats stats;		/* ELS/CT stats */ +}; + +struct csio_adap_desc { +	char model_no[16]; +	char description[32]; +}; + +struct pci_params { +	uint16_t   vendor_id; +	uint16_t   device_id; +	int        vpd_cap_addr; +	uint16_t   speed; +	uint8_t    width; +}; + +/* User configurable hw parameters */ +struct csio_hw_params { +	uint32_t		sf_size;		/* serial flash +							 * size in bytes +							 */ +	uint32_t		sf_nsec;		/* # of flash sectors */ +	struct pci_params	pci; +	uint32_t		log_level;		/* Module-level for +							 * debug log. +							 */ +}; + +struct csio_vpd { +	uint32_t cclk; +	uint8_t ec[EC_LEN + 1]; +	uint8_t sn[SERNUM_LEN + 1]; +	uint8_t id[ID_LEN + 1]; +}; + +struct csio_pport { +	uint16_t	pcap; +	uint8_t		portid; +	uint8_t		link_status; +	uint16_t	link_speed; +	uint8_t		mac[6]; +	uint8_t		mod_type; +	uint8_t		rsvd1; +	uint8_t		rsvd2; +	uint8_t		rsvd3; +}; + +/* fcoe resource information */ +struct csio_fcoe_res_info { +	uint16_t	e_d_tov; +	uint16_t	r_a_tov_seq; +	uint16_t	r_a_tov_els; +	uint16_t	r_r_tov; +	uint32_t	max_xchgs; +	uint32_t	max_ssns; +	uint32_t	used_xchgs; +	uint32_t	used_ssns; +	uint32_t	max_fcfs; +	uint32_t	max_vnps; +	uint32_t	used_fcfs; +	uint32_t	used_vnps; +}; + +/* HW State machine Events */ +enum csio_hw_ev { +	CSIO_HWE_CFG = (uint32_t)1, /* Starts off the State machine */ +	CSIO_HWE_INIT,	         /* Config done, start Init      */ +	CSIO_HWE_INIT_DONE,      /* Init Mailboxes sent, HW ready */ +	CSIO_HWE_FATAL,		 /* Fatal error during initialization */ +	CSIO_HWE_PCIERR_DETECTED,/* PCI error recovery detetced */ +	CSIO_HWE_PCIERR_SLOT_RESET, /* Slot reset after PCI recoviery */ +	CSIO_HWE_PCIERR_RESUME,  /* Resume after PCI error recovery */ +	CSIO_HWE_QUIESCED,	 /* HBA quiesced */ +	CSIO_HWE_HBA_RESET,      /* HBA reset requested */ +	CSIO_HWE_HBA_RESET_DONE, /* HBA reset completed */ +	CSIO_HWE_FW_DLOAD,       /* FW download requested */ +	CSIO_HWE_PCI_REMOVE,     /* PCI de-instantiation */ +	CSIO_HWE_SUSPEND,        /* HW suspend for Online(hot) replacement */ +	CSIO_HWE_RESUME,         /* HW resume for Online(hot) replacement */ +	CSIO_HWE_MAX,		 /* Max HW event */ +}; + +/* hw stats */ +struct csio_hw_stats { +	uint32_t	n_evt_activeq;	/* Number of event in active Q */ +	uint32_t	n_evt_freeq;	/* Number of event in free Q */ +	uint32_t	n_evt_drop;	/* Number of event droped */ +	uint32_t	n_evt_unexp;	/* Number of unexpected events */ +	uint32_t	n_pcich_offline;/* Number of pci channel offline */ +	uint32_t	n_lnlkup_miss;  /* Number of lnode lookup miss */ +	uint32_t	n_cpl_fw6_msg;	/* Number of cpl fw6 message*/ +	uint32_t	n_cpl_fw6_pld;	/* Number of cpl fw6 payload*/ +	uint32_t	n_cpl_unexp;	/* Number of unexpected cpl */ +	uint32_t	n_mbint_unexp;	/* Number of unexpected mbox */ +					/* interrupt */ +	uint32_t	n_plint_unexp;	/* Number of unexpected PL */ +					/* interrupt */ +	uint32_t	n_plint_cnt;	/* Number of PL interrupt */ +	uint32_t	n_int_stray;	/* Number of stray interrupt */ +	uint32_t	n_err;		/* Number of hw errors */ +	uint32_t	n_err_fatal;	/* Number of fatal errors */ +	uint32_t	n_err_nomem;	/* Number of memory alloc failure */ +	uint32_t	n_err_io;	/* Number of IO failure */ +	enum csio_hw_ev	n_evt_sm[CSIO_HWE_MAX];	/* Number of sm events */ +	uint64_t	n_reset_start;  /* Start time after the reset */ +	uint32_t	rsvd1; +}; + +/* Defines for hw->flags */ +#define CSIO_HWF_MASTER			0x00000001	/* This is the Master +							 * function for the +							 * card. +							 */ +#define	CSIO_HWF_HW_INTR_ENABLED	0x00000002	/* Are HW Interrupt +							 * enable bit set? +							 */ +#define	CSIO_HWF_FWEVT_PENDING		0x00000004	/* FW events pending */ +#define	CSIO_HWF_Q_MEM_ALLOCED		0x00000008	/* Queues have been +							 * allocated memory. +							 */ +#define	CSIO_HWF_Q_FW_ALLOCED		0x00000010	/* Queues have been +							 * allocated in FW. +							 */ +#define CSIO_HWF_VPD_VALID		0x00000020	/* Valid VPD copied */ +#define CSIO_HWF_DEVID_CACHED		0X00000040	/* PCI vendor & device +							 * id cached */ +#define	CSIO_HWF_FWEVT_STOP		0x00000080	/* Stop processing +							 * FW events +							 */ +#define CSIO_HWF_USING_SOFT_PARAMS	0x00000100      /* Using FW config +							 * params +							 */ +#define	CSIO_HWF_HOST_INTR_ENABLED	0x00000200	/* Are host interrupts +							 * enabled? +							 */ + +#define csio_is_hw_intr_enabled(__hw)	\ +				((__hw)->flags & CSIO_HWF_HW_INTR_ENABLED) +#define csio_is_host_intr_enabled(__hw)	\ +				((__hw)->flags & CSIO_HWF_HOST_INTR_ENABLED) +#define csio_is_hw_master(__hw)		((__hw)->flags & CSIO_HWF_MASTER) +#define csio_is_valid_vpd(__hw)		((__hw)->flags & CSIO_HWF_VPD_VALID) +#define csio_is_dev_id_cached(__hw)	((__hw)->flags & CSIO_HWF_DEVID_CACHED) +#define csio_valid_vpd_copied(__hw)	((__hw)->flags |= CSIO_HWF_VPD_VALID) +#define csio_dev_id_cached(__hw)	((__hw)->flags |= CSIO_HWF_DEVID_CACHED) + +/* Defines for intr_mode */ +enum csio_intr_mode { +	CSIO_IM_NONE = 0, +	CSIO_IM_INTX = 1, +	CSIO_IM_MSI  = 2, +	CSIO_IM_MSIX = 3, +}; + +/* Master HW structure: One per function */ +struct csio_hw { +	struct csio_sm		sm;			/* State machine: should +							 * be the 1st member. +							 */ +	spinlock_t		lock;			/* Lock for hw */ + +	struct csio_scsim	scsim;			/* SCSI module*/ +	struct csio_wrm		wrm;			/* Work request module*/ +	struct pci_dev		*pdev;			/* PCI device */ + +	void __iomem		*regstart;		/* Virtual address of +							 * register map +							 */ +	/* SCSI queue sets */ +	uint32_t		num_sqsets;		/* Number of SCSI +							 * queue sets */ +	uint32_t		num_scsi_msix_cpus;	/* Number of CPUs that +							 * will be used +							 * for ingress +							 * processing. +							 */ + +	struct csio_scsi_qset	sqset[CSIO_MAX_PPORTS][CSIO_MAX_SCSI_CPU]; +	struct csio_scsi_cpu_info scsi_cpu_info[CSIO_MAX_PPORTS]; + +	uint32_t		evtflag;		/* Event flag  */ +	uint32_t		flags;			/* HW flags */ + +	struct csio_mgmtm	mgmtm;			/* management module */ +	struct csio_mbm		mbm;			/* Mailbox module */ + +	/* Lnodes */ +	uint32_t		num_lns;		/* Number of lnodes */ +	struct csio_lnode	*rln;			/* Root lnode */ +	struct list_head	sln_head;		/* Sibling node list +							 * list +							 */ +	int			intr_iq_idx;		/* Forward interrupt +							 * queue. +							 */ +	int			fwevt_iq_idx;		/* FW evt queue */ +	struct work_struct	evtq_work;		/* Worker thread for +							 * HW events. +							 */ +	struct list_head	evt_free_q;		/* freelist of evt +							 * elements +							 */ +	struct list_head	evt_active_q;		/* active evt queue*/ + +	/* board related info */ +	char			name[32]; +	char			hw_ver[16]; +	char			model_desc[32]; +	char			drv_version[32]; +	char			fwrev_str[32]; +	uint32_t		optrom_ver; +	uint32_t		fwrev; +	uint32_t		tp_vers; +	char			chip_ver; +	uint16_t		chip_id;		/* Tells T4/T5 chip */ +	uint32_t		cfg_finiver; +	uint32_t		cfg_finicsum; +	uint32_t		cfg_cfcsum; +	uint8_t			cfg_csum_status; +	uint8_t			cfg_store; +	enum csio_dev_state	fw_state; +	struct csio_vpd		vpd; + +	uint8_t			pfn;			/* Physical Function +							 * number +							 */ +	uint32_t		port_vec;		/* Port vector */ +	uint8_t			num_pports;		/* Number of physical +							 * ports. +							 */ +	uint8_t			rst_retries;		/* Reset retries */ +	uint8_t			cur_evt;		/* current s/m evt */ +	uint8_t			prev_evt;		/* Previous s/m evt */ +	uint32_t		dev_num;		/* device number */ +	struct csio_pport	pport[CSIO_MAX_PPORTS];	/* Ports (XGMACs) */ +	struct csio_hw_params	params;			/* Hw parameters */ + +	struct pci_pool		*scsi_pci_pool;		/* PCI pool for SCSI */ +	mempool_t		*mb_mempool;		/* Mailbox memory pool*/ +	mempool_t		*rnode_mempool;		/* rnode memory pool */ + +	/* Interrupt */ +	enum csio_intr_mode	intr_mode;		/* INTx, MSI, MSIX */ +	uint32_t		fwevt_intr_idx;		/* FW evt MSIX/interrupt +							 * index +							 */ +	uint32_t		nondata_intr_idx;	/* nondata MSIX/intr +							 * idx +							 */ + +	uint8_t			cfg_neq;		/* FW configured no of +							 * egress queues +							 */ +	uint8_t			cfg_niq;		/* FW configured no of +							 * iq queues. +							 */ + +	struct csio_fcoe_res_info  fres_info;		/* Fcoe resource info */ +	struct csio_hw_chip_ops	*chip_ops;		/* T4/T5 Chip specific +							 * Operations +							 */ + +	/* MSIX vectors */ +	struct csio_msix_entries msix_entries[CSIO_MAX_MSIX_VECS]; + +	struct dentry		*debugfs_root;		/* Debug FS */ +	struct csio_hw_stats	stats;			/* Hw statistics */ +}; + +/* Register access macros */ +#define csio_reg(_b, _r)		((_b) + (_r)) + +#define	csio_rd_reg8(_h, _r)		readb(csio_reg((_h)->regstart, (_r))) +#define	csio_rd_reg16(_h, _r)		readw(csio_reg((_h)->regstart, (_r))) +#define	csio_rd_reg32(_h, _r)		readl(csio_reg((_h)->regstart, (_r))) +#define	csio_rd_reg64(_h, _r)		readq(csio_reg((_h)->regstart, (_r))) + +#define	csio_wr_reg8(_h, _v, _r)	writeb((_v), \ +						csio_reg((_h)->regstart, (_r))) +#define	csio_wr_reg16(_h, _v, _r)	writew((_v), \ +						csio_reg((_h)->regstart, (_r))) +#define	csio_wr_reg32(_h, _v, _r)	writel((_v), \ +						csio_reg((_h)->regstart, (_r))) +#define	csio_wr_reg64(_h, _v, _r)	writeq((_v), \ +						csio_reg((_h)->regstart, (_r))) + +void csio_set_reg_field(struct csio_hw *, uint32_t, uint32_t, uint32_t); + +/* Core clocks <==> uSecs */ +static inline uint32_t +csio_core_ticks_to_us(struct csio_hw *hw, uint32_t ticks) +{ +	/* add Core Clock / 2 to round ticks to nearest uS */ +	return (ticks * 1000 + hw->vpd.cclk/2) / hw->vpd.cclk; +} + +static inline uint32_t +csio_us_to_core_ticks(struct csio_hw *hw, uint32_t us) +{ +	return (us * hw->vpd.cclk) / 1000; +} + +/* Easy access macros */ +#define csio_hw_to_wrm(hw)		((struct csio_wrm *)(&(hw)->wrm)) +#define csio_hw_to_mbm(hw)		((struct csio_mbm *)(&(hw)->mbm)) +#define csio_hw_to_scsim(hw)		((struct csio_scsim *)(&(hw)->scsim)) +#define csio_hw_to_mgmtm(hw)		((struct csio_mgmtm *)(&(hw)->mgmtm)) + +#define CSIO_PCI_BUS(hw)		((hw)->pdev->bus->number) +#define CSIO_PCI_DEV(hw)		(PCI_SLOT((hw)->pdev->devfn)) +#define CSIO_PCI_FUNC(hw)		(PCI_FUNC((hw)->pdev->devfn)) + +#define csio_set_fwevt_intr_idx(_h, _i)		((_h)->fwevt_intr_idx = (_i)) +#define csio_get_fwevt_intr_idx(_h)		((_h)->fwevt_intr_idx) +#define csio_set_nondata_intr_idx(_h, _i)	((_h)->nondata_intr_idx = (_i)) +#define csio_get_nondata_intr_idx(_h)		((_h)->nondata_intr_idx) + +/* Printing/logging */ +#define CSIO_DEVID(__dev)		((__dev)->dev_num) +#define CSIO_DEVID_LO(__dev)		(CSIO_DEVID((__dev)) & 0xFFFF) +#define CSIO_DEVID_HI(__dev)		((CSIO_DEVID((__dev)) >> 16) & 0xFFFF) + +#define csio_info(__hw, __fmt, ...)					\ +			dev_info(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) + +#define csio_fatal(__hw, __fmt, ...)					\ +			dev_crit(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) + +#define csio_err(__hw, __fmt, ...)					\ +			dev_err(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) + +#define csio_warn(__hw, __fmt, ...)					\ +			dev_warn(&(__hw)->pdev->dev, __fmt, ##__VA_ARGS__) + +#ifdef __CSIO_DEBUG__ +#define csio_dbg(__hw, __fmt, ...)					\ +			csio_info((__hw), __fmt, ##__VA_ARGS__); +#else +#define csio_dbg(__hw, __fmt, ...) +#endif + +int csio_hw_wait_op_done_val(struct csio_hw *, int, uint32_t, int, +			     int, int, uint32_t *); +void csio_hw_tp_wr_bits_indirect(struct csio_hw *, unsigned int, +				 unsigned int, unsigned int); +int csio_mgmt_req_lookup(struct csio_mgmtm *, struct csio_ioreq *); +void csio_hw_intr_disable(struct csio_hw *); +int csio_hw_slow_intr_handler(struct csio_hw *); +int csio_handle_intr_status(struct csio_hw *, unsigned int, +			    const struct intr_info *); + +int csio_hw_start(struct csio_hw *); +int csio_hw_stop(struct csio_hw *); +int csio_hw_reset(struct csio_hw *); +int csio_is_hw_ready(struct csio_hw *); +int csio_is_hw_removing(struct csio_hw *); + +int csio_fwevtq_handler(struct csio_hw *); +void csio_evtq_worker(struct work_struct *); +int csio_enqueue_evt(struct csio_hw *, enum csio_evt, void *, uint16_t); +void csio_evtq_flush(struct csio_hw *hw); + +int csio_request_irqs(struct csio_hw *); +void csio_intr_enable(struct csio_hw *); +void csio_intr_disable(struct csio_hw *, bool); +void csio_hw_fatal_err(struct csio_hw *); + +struct csio_lnode *csio_lnode_alloc(struct csio_hw *); +int csio_config_queues(struct csio_hw *); + +int csio_hw_init(struct csio_hw *); +void csio_hw_exit(struct csio_hw *); +#endif /* ifndef __CSIO_HW_H__ */  | 
