- use be32_to_cpu() instead of ntohs() for 32 bit port capabilities. - add a new function fwcaps32_to_caps16() to convert 32 bit port capabilities to 16 bit port capabilities. Signed-off-by: Varun Prakash <varun@chelsio.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
		
			
				
	
	
		
			667 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			667 lines
		
	
	
		
			20 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * 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 "t4_hw.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
 | |
| #define CSIO_MIN_T6_FW		0x01102D00  /* FW 1.16.45.0 */
 | |
| 
 | |
| /* 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 {
 | |
| 	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 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_F | MPS_F | PL_F | PCIE_F | MC_F | \
 | |
| 				 EDC0_F | EDC1_F | LE_F | TP_F | MA_F | \
 | |
| 				 PM_TX_F | PM_RX_F | ULP_RX_F | \
 | |
| 				 CPL_SWITCH_F | SGE_F | ULP_TX_F | SF_F)
 | |
| 
 | |
| /*
 | |
|  * 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 {
 | |
| 	SERNUM_LEN     = 16,    /* Serial # length */
 | |
| 	EC_LEN         = 16,    /* E/C length */
 | |
| 	ID_LEN         = 16,    /* ID length */
 | |
| };
 | |
| 
 | |
| enum {
 | |
| 	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 */
 | |
| };
 | |
| 
 | |
| /* 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];
 | |
| };
 | |
| 
 | |
| /* Firmware Port Capabilities types. */
 | |
| 
 | |
| typedef u16 fw_port_cap16_t;    /* 16-bit Port Capabilities integral value */
 | |
| typedef u32 fw_port_cap32_t;    /* 32-bit Port Capabilities integral value */
 | |
| 
 | |
| enum fw_caps {
 | |
| 	FW_CAPS_UNKNOWN = 0,    /* 0'ed out initial state */
 | |
| 	FW_CAPS16       = 1,    /* old Firmware: 16-bit Port Capabilities */
 | |
| 	FW_CAPS32       = 2,    /* new Firmware: 32-bit Port Capabilities */
 | |
| };
 | |
| 
 | |
| enum cc_pause {
 | |
| 	PAUSE_RX      = 1 << 0,
 | |
| 	PAUSE_TX      = 1 << 1,
 | |
| 	PAUSE_AUTONEG = 1 << 2
 | |
| };
 | |
| 
 | |
| enum cc_fec {
 | |
| 	FEC_AUTO	= 1 << 0,  /* IEEE 802.3 "automatic" */
 | |
| 	FEC_RS		= 1 << 1,  /* Reed-Solomon */
 | |
| 	FEC_BASER_RS	= 1 << 2   /* BaseR/Reed-Solomon */
 | |
| };
 | |
| 
 | |
| struct link_config {
 | |
| 	fw_port_cap32_t pcaps;		/* link capabilities */
 | |
| 	fw_port_cap32_t def_acaps;	/* default advertised capabilities */
 | |
| 	fw_port_cap32_t acaps;		/* advertised capabilities */
 | |
| 	fw_port_cap32_t lpacaps;	/* peer advertised capabilities */
 | |
| 
 | |
| 	fw_port_cap32_t speed_caps;	/* speed(s) user has requested */
 | |
| 	unsigned int   speed;		/* actual link speed (Mb/s) */
 | |
| 
 | |
| 	enum cc_pause  requested_fc;	/* flow control user has requested */
 | |
| 	enum cc_pause  fc;		/* actual link flow control */
 | |
| 
 | |
| 	enum cc_fec    requested_fec;	/* Forward Error Correction: */
 | |
| 	enum cc_fec    fec;		/* requested and actual in use */
 | |
| 
 | |
| 	unsigned char  autoneg;		/* autonegotiating? */
 | |
| 
 | |
| 	unsigned char  link_ok;		/* link up? */
 | |
| 	unsigned char  link_down_rc;	/* link down reason */
 | |
| };
 | |
| 
 | |
| #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)
 | |
| 
 | |
| #define ADVERT_MASK (FW_PORT_CAP32_SPEED_V(FW_PORT_CAP32_SPEED_M) | \
 | |
| 		     FW_PORT_CAP32_ANEG)
 | |
| 
 | |
| /* Enable or disable autonegotiation. */
 | |
| #define AUTONEG_DISABLE	0x00
 | |
| #define AUTONEG_ENABLE	0x01
 | |
| 
 | |
| struct csio_pport {
 | |
| 	uint16_t	pcap;
 | |
| 	uint16_t	acap;
 | |
| 	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;
 | |
| 	struct link_config link_cfg;
 | |
| };
 | |
| 
 | |
| /* 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_HWF_ROOT_NO_RELAXED_ORDERING 0x00000400	/* Is PCIe relaxed
 | |
| 							 * ordering 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 */
 | |
| 	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 dma_pool		*scsi_dma_pool;		/* DMA 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 *);
 | |
| 
 | |
| fw_port_cap32_t fwcap_to_fwspeed(fw_port_cap32_t acaps);
 | |
| fw_port_cap32_t fwcaps16_to_caps32(fw_port_cap16_t caps16);
 | |
| fw_port_cap16_t fwcaps32_to_caps16(fw_port_cap32_t caps32);
 | |
| fw_port_cap32_t lstatus_to_fwcap(u32 lstatus);
 | |
| 
 | |
| 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__ */
 |