mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-21 08:19:28 +00:00
![Naresh Kumar Inna](/assets/img/avatar_default.png)
This patch fixes sparse warnings related to endian-ness, which were reported by the 0-day kernel build and testing tool. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Naresh Kumar Inna <naresh@chelsio.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
665 lines
20 KiB
C
665 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 "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_FW_FNAME "cxgb4/t4fw.bin"
|
|
#define CSIO_CF_FNAME "cxgb4/t4-config.txt"
|
|
|
|
#define FW_VERSION_MAJOR 1
|
|
#define FW_VERSION_MINOR 2
|
|
#define FW_VERSION_MICRO 8
|
|
|
|
#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_FPGA 0xA000
|
|
#define CSIO_T4_FCOE_ASIC 0x4600
|
|
|
|
#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,
|
|
|
|
/* Storage specific - used by FW_PFVF_CMD */
|
|
CSIO_WX_CAPS = FW_CMD_CAP_PF, /* w/x all */
|
|
CSIO_R_CAPS = FW_CMD_CAP_PF, /* r all */
|
|
CSIO_NVI = 4,
|
|
CSIO_NIQ_FLINT = 34,
|
|
CSIO_NETH_CTRL = 32,
|
|
CSIO_NEQ = 66,
|
|
CSIO_NEXACTF = 32,
|
|
CSIO_CMASK = FW_PFVF_CMD_CMASK_MASK,
|
|
CSIO_PMASK = FW_PFVF_CMD_PMASK_MASK,
|
|
};
|
|
|
|
/* 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 */
|
|
};
|
|
|
|
enum { MEM_EDC0, MEM_EDC1, MEM_MC };
|
|
|
|
enum {
|
|
MEMWIN0_APERTURE = 2048,
|
|
MEMWIN0_BASE = 0x1b800,
|
|
MEMWIN1_APERTURE = 32768,
|
|
MEMWIN1_BASE = 0x28000,
|
|
MEMWIN2_APERTURE = 65536,
|
|
MEMWIN2_BASE = 0x30000,
|
|
};
|
|
|
|
/* 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,
|
|
FPGA_FLASH_CFG_OFFSET = 0xf0000 , /* if FPGA mode, then cfg file is
|
|
* at 1MB - 64KB */
|
|
FPGA_FLASH_CFG_START_SEC = FPGA_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),
|
|
|
|
};
|
|
|
|
#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;
|
|
uint32_t 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;
|
|
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 */
|
|
|
|
/* 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_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 *hw);
|
|
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 *hw, enum csio_evt type,
|
|
void *evt_msg, uint16_t len);
|
|
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);
|
|
|
|
struct csio_lnode *csio_lnode_alloc(struct csio_hw *);
|
|
int csio_config_queues(struct csio_hw *);
|
|
|
|
int csio_hw_mc_read(struct csio_hw *, uint32_t, __be32 *, uint64_t *);
|
|
int csio_hw_edc_read(struct csio_hw *, int, uint32_t, __be32 *, uint64_t *);
|
|
int csio_hw_init(struct csio_hw *);
|
|
void csio_hw_exit(struct csio_hw *);
|
|
#endif /* ifndef __CSIO_HW_H__ */
|