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Diffstat (limited to '')
| -rw-r--r-- | drivers/scsi/csiostor/csio_hw.h | 666 |
1 files changed, 666 insertions, 0 deletions
diff --git a/drivers/scsi/csiostor/csio_hw.h b/drivers/scsi/csiostor/csio_hw.h new file mode 100644 index 000000000..e351af6e7 --- /dev/null +++ b/drivers/scsi/csiostor/csio_hw.h @@ -0,0 +1,666 @@ +/* + * 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__ */ |