![Himanshu Jha](/assets/img/avatar_default.png)
Use kasprintf instead of combination of kmalloc and sprintf. Also, remove BEISCSI_MSI_NAME macro used to specify size of string as kasprintf handles size computations. Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Reviewed-by: Kyle Fortin <kyle.fortin@oracle.com> Reviewed-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
1036 lines
29 KiB
C
1036 lines
29 KiB
C
/*
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* Copyright 2017 Broadcom. All Rights Reserved.
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* The term "Broadcom" refers to Broadcom Limited and/or its subsidiaries.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation. The full GNU General
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* Public License is included in this distribution in the file called COPYING.
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*
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* Contact Information:
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* linux-drivers@broadcom.com
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*
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*/
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#ifndef _BEISCSI_MAIN_
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#define _BEISCSI_MAIN_
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#include <linux/kernel.h>
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#include <linux/pci.h>
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#include <linux/if_ether.h>
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#include <linux/in.h>
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#include <linux/ctype.h>
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#include <linux/module.h>
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#include <linux/aer.h>
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#include <scsi/scsi.h>
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#include <scsi/scsi_cmnd.h>
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#include <scsi/scsi_device.h>
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#include <scsi/scsi_host.h>
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#include <scsi/iscsi_proto.h>
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#include <scsi/libiscsi.h>
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#include <scsi/scsi_transport_iscsi.h>
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#define DRV_NAME "be2iscsi"
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#define BUILD_STR "11.4.0.1"
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#define BE_NAME "Emulex OneConnect" \
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"Open-iSCSI Driver version" BUILD_STR
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#define DRV_DESC BE_NAME " " "Driver"
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#define BE_VENDOR_ID 0x19A2
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#define ELX_VENDOR_ID 0x10DF
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/* DEVICE ID's for BE2 */
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#define BE_DEVICE_ID1 0x212
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#define OC_DEVICE_ID1 0x702
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#define OC_DEVICE_ID2 0x703
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/* DEVICE ID's for BE3 */
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#define BE_DEVICE_ID2 0x222
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#define OC_DEVICE_ID3 0x712
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/* DEVICE ID for SKH */
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#define OC_SKH_ID1 0x722
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#define BE2_IO_DEPTH 1024
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#define BE2_MAX_SESSIONS 256
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#define BE2_TMFS 16
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#define BE2_NOPOUT_REQ 16
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#define BE2_SGE 32
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#define BE2_DEFPDU_HDR_SZ 64
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#define BE2_DEFPDU_DATA_SZ 8192
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#define BE2_MAX_NUM_CQ_PROC 512
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#define MAX_CPUS 64U
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#define BEISCSI_MAX_NUM_CPUS 7
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#define BEISCSI_VER_STRLEN 32
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#define BEISCSI_SGLIST_ELEMENTS 30
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/**
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* BE_INVLDT_CMD_TBL_SZ is 128 which is total number commands that can
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* be invalidated at a time, consider it before changing the value of
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* BEISCSI_CMD_PER_LUN.
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*/
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#define BEISCSI_CMD_PER_LUN 128 /* scsi_host->cmd_per_lun */
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#define BEISCSI_MAX_SECTORS 1024 /* scsi_host->max_sectors */
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#define BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE 128 /* Template size per cxn */
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#define BEISCSI_MAX_CMD_LEN 16 /* scsi_host->max_cmd_len */
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#define BEISCSI_NUM_MAX_LUN 256 /* scsi_host->max_lun */
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#define BEISCSI_MAX_FRAGS_INIT 192
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#define BE_SENSE_INFO_SIZE 258
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#define BE_ISCSI_PDU_HEADER_SIZE 64
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#define BE_MIN_MEM_SIZE 16384
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#define MAX_CMD_SZ 65536
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#define IIOC_SCSI_DATA 0x05 /* Write Operation */
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/**
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* hardware needs the async PDU buffers to be posted in multiples of 8
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* So have atleast 8 of them by default
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*/
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#define HWI_GET_ASYNC_PDU_CTX(phwi, ulp_num) \
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(phwi->phwi_ctxt->pasync_ctx[ulp_num])
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/********* Memory BAR register ************/
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#define PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET 0xfc
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/**
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* Host Interrupt Enable, if set interrupts are enabled although "PCI Interrupt
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* Disable" may still globally block interrupts in addition to individual
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* interrupt masks; a mechanism for the device driver to block all interrupts
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* atomically without having to arbitrate for the PCI Interrupt Disable bit
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* with the OS.
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*/
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#define MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK (1 << 29) /* bit 29 */
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/********* ISR0 Register offset **********/
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#define CEV_ISR0_OFFSET 0xC18
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#define CEV_ISR_SIZE 4
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/**
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* Macros for reading/writing a protection domain or CSR registers
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* in BladeEngine.
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*/
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#define DB_TXULP0_OFFSET 0x40
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#define DB_RXULP0_OFFSET 0xA0
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/********* Event Q door bell *************/
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#define DB_EQ_OFFSET DB_CQ_OFFSET
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#define DB_EQ_RING_ID_LOW_MASK 0x1FF /* bits 0 - 8 */
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/* Clear the interrupt for this eq */
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#define DB_EQ_CLR_SHIFT (9) /* bit 9 */
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/* Must be 1 */
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#define DB_EQ_EVNT_SHIFT (10) /* bit 10 */
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/* Higher Order EQ_ID bit */
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#define DB_EQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */
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#define DB_EQ_HIGH_SET_SHIFT 11
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#define DB_EQ_HIGH_FEILD_SHIFT 9
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/* Number of event entries processed */
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#define DB_EQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
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/* Rearm bit */
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#define DB_EQ_REARM_SHIFT (29) /* bit 29 */
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/********* Compl Q door bell *************/
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#define DB_CQ_OFFSET 0x120
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#define DB_CQ_RING_ID_LOW_MASK 0x3FF /* bits 0 - 9 */
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/* Higher Order CQ_ID bit */
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#define DB_CQ_RING_ID_HIGH_MASK 0x1F /* bits 11 - 15 */
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#define DB_CQ_HIGH_SET_SHIFT 11
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#define DB_CQ_HIGH_FEILD_SHIFT 10
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/* Number of event entries processed */
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#define DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
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/* Rearm bit */
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#define DB_CQ_REARM_SHIFT (29) /* bit 29 */
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#define GET_HWI_CONTROLLER_WS(pc) (pc->phwi_ctrlr)
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#define HWI_GET_DEF_BUFQ_ID(pc, ulp_num) (((struct hwi_controller *)\
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(GET_HWI_CONTROLLER_WS(pc)))->default_pdu_data[ulp_num].id)
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#define HWI_GET_DEF_HDRQ_ID(pc, ulp_num) (((struct hwi_controller *)\
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(GET_HWI_CONTROLLER_WS(pc)))->default_pdu_hdr[ulp_num].id)
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#define PAGES_REQUIRED(x) \
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((x < PAGE_SIZE) ? 1 : ((x + PAGE_SIZE - 1) / PAGE_SIZE))
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#define MEM_DESCR_OFFSET 8
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#define BEISCSI_DEFQ_HDR 1
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#define BEISCSI_DEFQ_DATA 0
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enum be_mem_enum {
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HWI_MEM_ADDN_CONTEXT,
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HWI_MEM_WRB,
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HWI_MEM_WRBH,
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HWI_MEM_SGLH,
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HWI_MEM_SGE,
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HWI_MEM_TEMPLATE_HDR_ULP0,
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HWI_MEM_ASYNC_HEADER_BUF_ULP0, /* 6 */
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HWI_MEM_ASYNC_DATA_BUF_ULP0,
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HWI_MEM_ASYNC_HEADER_RING_ULP0,
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HWI_MEM_ASYNC_DATA_RING_ULP0,
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HWI_MEM_ASYNC_HEADER_HANDLE_ULP0,
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HWI_MEM_ASYNC_DATA_HANDLE_ULP0, /* 11 */
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HWI_MEM_ASYNC_PDU_CONTEXT_ULP0,
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HWI_MEM_TEMPLATE_HDR_ULP1,
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HWI_MEM_ASYNC_HEADER_BUF_ULP1, /* 14 */
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HWI_MEM_ASYNC_DATA_BUF_ULP1,
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HWI_MEM_ASYNC_HEADER_RING_ULP1,
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HWI_MEM_ASYNC_DATA_RING_ULP1,
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HWI_MEM_ASYNC_HEADER_HANDLE_ULP1,
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HWI_MEM_ASYNC_DATA_HANDLE_ULP1, /* 19 */
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HWI_MEM_ASYNC_PDU_CONTEXT_ULP1,
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ISCSI_MEM_GLOBAL_HEADER,
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SE_MEM_MAX
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};
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struct be_bus_address32 {
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unsigned int address_lo;
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unsigned int address_hi;
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};
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struct be_bus_address64 {
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unsigned long long address;
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};
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struct be_bus_address {
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union {
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struct be_bus_address32 a32;
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struct be_bus_address64 a64;
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} u;
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};
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struct mem_array {
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struct be_bus_address bus_address; /* Bus address of location */
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void *virtual_address; /* virtual address to the location */
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unsigned int size; /* Size required by memory block */
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};
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struct be_mem_descriptor {
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unsigned int size_in_bytes; /* Size required by memory block */
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unsigned int num_elements;
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struct mem_array *mem_array;
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};
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struct sgl_handle {
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unsigned int sgl_index;
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unsigned int type;
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unsigned int cid;
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struct iscsi_task *task;
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struct iscsi_sge *pfrag;
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};
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struct hba_parameters {
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unsigned int ios_per_ctrl;
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unsigned int cxns_per_ctrl;
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unsigned int icds_per_ctrl;
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unsigned int num_sge_per_io;
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unsigned int defpdu_hdr_sz;
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unsigned int defpdu_data_sz;
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unsigned int num_cq_entries;
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unsigned int num_eq_entries;
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unsigned int wrbs_per_cxn;
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unsigned int hwi_ws_sz;
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};
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#define BEISCSI_GET_ULP_FROM_CRI(phwi_ctrlr, cri) \
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(phwi_ctrlr->wrb_context[cri].ulp_num)
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struct hwi_wrb_context {
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spinlock_t wrb_lock;
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struct wrb_handle **pwrb_handle_base;
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struct wrb_handle **pwrb_handle_basestd;
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struct iscsi_wrb *plast_wrb;
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unsigned short alloc_index;
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unsigned short free_index;
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unsigned short wrb_handles_available;
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unsigned short cid;
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uint8_t ulp_num; /* ULP to which CID binded */
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uint32_t doorbell_offset;
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};
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struct ulp_cid_info {
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unsigned short *cid_array;
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unsigned short avlbl_cids;
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unsigned short cid_alloc;
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unsigned short cid_free;
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};
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#include "be.h"
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#define chip_be2(phba) (phba->generation == BE_GEN2)
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#define chip_be3_r(phba) (phba->generation == BE_GEN3)
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#define is_chip_be2_be3r(phba) (chip_be3_r(phba) || (chip_be2(phba)))
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#define BEISCSI_ULP0 0
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#define BEISCSI_ULP1 1
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#define BEISCSI_ULP_COUNT 2
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#define BEISCSI_ULP0_LOADED 0x01
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#define BEISCSI_ULP1_LOADED 0x02
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#define BEISCSI_ULP_AVLBL_CID(phba, ulp_num) \
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(((struct ulp_cid_info *)phba->cid_array_info[ulp_num])->avlbl_cids)
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#define BEISCSI_ULP0_AVLBL_CID(phba) \
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BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP0)
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#define BEISCSI_ULP1_AVLBL_CID(phba) \
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BEISCSI_ULP_AVLBL_CID(phba, BEISCSI_ULP1)
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struct beiscsi_hba {
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struct hba_parameters params;
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struct hwi_controller *phwi_ctrlr;
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unsigned int mem_req[SE_MEM_MAX];
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/* PCI BAR mapped addresses */
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u8 __iomem *csr_va; /* CSR */
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u8 __iomem *db_va; /* Door Bell */
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u8 __iomem *pci_va; /* PCI Config */
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/* PCI representation of our HBA */
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struct pci_dev *pcidev;
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unsigned int num_cpus;
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unsigned int nxt_cqid;
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char *msi_name[MAX_CPUS];
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struct be_mem_descriptor *init_mem;
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unsigned short io_sgl_alloc_index;
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unsigned short io_sgl_free_index;
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unsigned short io_sgl_hndl_avbl;
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struct sgl_handle **io_sgl_hndl_base;
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unsigned short eh_sgl_alloc_index;
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unsigned short eh_sgl_free_index;
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unsigned short eh_sgl_hndl_avbl;
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struct sgl_handle **eh_sgl_hndl_base;
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spinlock_t io_sgl_lock;
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spinlock_t mgmt_sgl_lock;
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spinlock_t async_pdu_lock;
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struct list_head hba_queue;
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#define BE_MAX_SESSION 2048
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#define BE_INVALID_CID 0xffff
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#define BE_SET_CID_TO_CRI(cri_index, cid) \
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(phba->cid_to_cri_map[cid] = cri_index)
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#define BE_GET_CRI_FROM_CID(cid) (phba->cid_to_cri_map[cid])
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unsigned short cid_to_cri_map[BE_MAX_SESSION];
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struct ulp_cid_info *cid_array_info[BEISCSI_ULP_COUNT];
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struct iscsi_endpoint **ep_array;
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struct beiscsi_conn **conn_table;
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struct Scsi_Host *shost;
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struct iscsi_iface *ipv4_iface;
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struct iscsi_iface *ipv6_iface;
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struct {
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/**
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* group together since they are used most frequently
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* for cid to cri conversion
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*/
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#define BEISCSI_PHYS_PORT_MAX 4
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unsigned int phys_port;
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/* valid values of phys_port id are 0, 1, 2, 3 */
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unsigned int eqid_count;
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unsigned int cqid_count;
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unsigned int iscsi_cid_start[BEISCSI_ULP_COUNT];
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#define BEISCSI_GET_CID_COUNT(phba, ulp_num) \
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(phba->fw_config.iscsi_cid_count[ulp_num])
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unsigned int iscsi_cid_count[BEISCSI_ULP_COUNT];
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unsigned int iscsi_icd_count[BEISCSI_ULP_COUNT];
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unsigned int iscsi_icd_start[BEISCSI_ULP_COUNT];
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unsigned int iscsi_chain_start[BEISCSI_ULP_COUNT];
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unsigned int iscsi_chain_count[BEISCSI_ULP_COUNT];
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unsigned short iscsi_features;
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uint16_t dual_ulp_aware;
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unsigned long ulp_supported;
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} fw_config;
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unsigned long state;
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#define BEISCSI_HBA_ONLINE 0
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#define BEISCSI_HBA_LINK_UP 1
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#define BEISCSI_HBA_BOOT_FOUND 2
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#define BEISCSI_HBA_BOOT_WORK 3
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#define BEISCSI_HBA_UER_SUPP 4
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#define BEISCSI_HBA_PCI_ERR 5
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#define BEISCSI_HBA_FW_TIMEOUT 6
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#define BEISCSI_HBA_IN_UE 7
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#define BEISCSI_HBA_IN_TPE 8
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/* error bits */
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#define BEISCSI_HBA_IN_ERR ((1 << BEISCSI_HBA_PCI_ERR) | \
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(1 << BEISCSI_HBA_FW_TIMEOUT) | \
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(1 << BEISCSI_HBA_IN_UE) | \
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(1 << BEISCSI_HBA_IN_TPE))
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u8 optic_state;
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struct delayed_work eqd_update;
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/* update EQ delay timer every 1000ms */
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#define BEISCSI_EQD_UPDATE_INTERVAL 1000
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struct timer_list hw_check;
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/* check for UE every 1000ms */
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#define BEISCSI_UE_DETECT_INTERVAL 1000
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u32 ue2rp;
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struct delayed_work recover_port;
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struct work_struct sess_work;
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bool mac_addr_set;
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u8 mac_address[ETH_ALEN];
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u8 port_name;
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u8 port_speed;
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char fw_ver_str[BEISCSI_VER_STRLEN];
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struct workqueue_struct *wq; /* The actuak work queue */
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struct be_ctrl_info ctrl;
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unsigned int generation;
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unsigned int interface_handle;
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struct be_aic_obj aic_obj[MAX_CPUS];
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unsigned int attr_log_enable;
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int (*iotask_fn)(struct iscsi_task *,
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struct scatterlist *sg,
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uint32_t num_sg, uint32_t xferlen,
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uint32_t writedir);
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struct boot_struct {
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int retry;
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unsigned int tag;
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unsigned int s_handle;
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struct be_dma_mem nonemb_cmd;
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enum {
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BEISCSI_BOOT_REOPEN_SESS = 1,
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BEISCSI_BOOT_GET_SHANDLE,
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BEISCSI_BOOT_GET_SINFO,
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BEISCSI_BOOT_LOGOUT_SESS,
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BEISCSI_BOOT_CREATE_KSET,
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} action;
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struct mgmt_session_info boot_sess;
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struct iscsi_boot_kset *boot_kset;
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} boot_struct;
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struct work_struct boot_work;
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};
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#define beiscsi_hba_in_error(phba) ((phba)->state & BEISCSI_HBA_IN_ERR)
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#define beiscsi_hba_is_online(phba) \
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(!beiscsi_hba_in_error((phba)) && \
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test_bit(BEISCSI_HBA_ONLINE, &phba->state))
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struct beiscsi_session {
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struct dma_pool *bhs_pool;
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};
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/**
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* struct beiscsi_conn - iscsi connection structure
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*/
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struct beiscsi_conn {
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struct iscsi_conn *conn;
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struct beiscsi_hba *phba;
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u32 exp_statsn;
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u32 doorbell_offset;
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u32 beiscsi_conn_cid;
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struct beiscsi_endpoint *ep;
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unsigned short login_in_progress;
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struct wrb_handle *plogin_wrb_handle;
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struct sgl_handle *plogin_sgl_handle;
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struct beiscsi_session *beiscsi_sess;
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struct iscsi_task *task;
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};
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/* This structure is used by the chip */
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struct pdu_data_out {
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u32 dw[12];
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};
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/**
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* Pseudo amap definition in which each bit of the actual structure is defined
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* as a byte: used to calculate offset/shift/mask of each field
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*/
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struct amap_pdu_data_out {
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u8 opcode[6]; /* opcode */
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u8 rsvd0[2]; /* should be 0 */
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u8 rsvd1[7];
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u8 final_bit; /* F bit */
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u8 rsvd2[16];
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|
u8 ahs_length[8]; /* no AHS */
|
|
u8 data_len_hi[8];
|
|
u8 data_len_lo[16]; /* DataSegmentLength */
|
|
u8 lun[64];
|
|
u8 itt[32]; /* ITT; initiator task tag */
|
|
u8 ttt[32]; /* TTT; valid for R2T or 0xffffffff */
|
|
u8 rsvd3[32];
|
|
u8 exp_stat_sn[32];
|
|
u8 rsvd4[32];
|
|
u8 data_sn[32];
|
|
u8 buffer_offset[32];
|
|
u8 rsvd5[32];
|
|
};
|
|
|
|
struct be_cmd_bhs {
|
|
struct iscsi_scsi_req iscsi_hdr;
|
|
unsigned char pad1[16];
|
|
struct pdu_data_out iscsi_data_pdu;
|
|
unsigned char pad2[BE_SENSE_INFO_SIZE -
|
|
sizeof(struct pdu_data_out)];
|
|
};
|
|
|
|
struct beiscsi_io_task {
|
|
struct wrb_handle *pwrb_handle;
|
|
struct sgl_handle *psgl_handle;
|
|
struct beiscsi_conn *conn;
|
|
struct scsi_cmnd *scsi_cmnd;
|
|
int num_sg;
|
|
struct hwi_wrb_context *pwrb_context;
|
|
itt_t libiscsi_itt;
|
|
struct be_cmd_bhs *cmd_bhs;
|
|
struct be_bus_address bhs_pa;
|
|
unsigned short bhs_len;
|
|
dma_addr_t mtask_addr;
|
|
uint32_t mtask_data_count;
|
|
uint8_t wrb_type;
|
|
};
|
|
|
|
struct be_nonio_bhs {
|
|
struct iscsi_hdr iscsi_hdr;
|
|
unsigned char pad1[16];
|
|
struct pdu_data_out iscsi_data_pdu;
|
|
unsigned char pad2[BE_SENSE_INFO_SIZE -
|
|
sizeof(struct pdu_data_out)];
|
|
};
|
|
|
|
struct be_status_bhs {
|
|
struct iscsi_scsi_req iscsi_hdr;
|
|
unsigned char pad1[16];
|
|
/**
|
|
* The plus 2 below is to hold the sense info length that gets
|
|
* DMA'ed by RxULP
|
|
*/
|
|
unsigned char sense_info[BE_SENSE_INFO_SIZE];
|
|
};
|
|
|
|
struct iscsi_sge {
|
|
u32 dw[4];
|
|
};
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_iscsi_sge {
|
|
u8 addr_hi[32];
|
|
u8 addr_lo[32];
|
|
u8 sge_offset[22]; /* DWORD 2 */
|
|
u8 rsvd0[9]; /* DWORD 2 */
|
|
u8 last_sge; /* DWORD 2 */
|
|
u8 len[17]; /* DWORD 3 */
|
|
u8 rsvd1[15]; /* DWORD 3 */
|
|
};
|
|
|
|
struct beiscsi_offload_params {
|
|
u32 dw[6];
|
|
};
|
|
|
|
#define OFFLD_PARAMS_ERL 0x00000003
|
|
#define OFFLD_PARAMS_DDE 0x00000004
|
|
#define OFFLD_PARAMS_HDE 0x00000008
|
|
#define OFFLD_PARAMS_IR2T 0x00000010
|
|
#define OFFLD_PARAMS_IMD 0x00000020
|
|
#define OFFLD_PARAMS_DATA_SEQ_INORDER 0x00000040
|
|
#define OFFLD_PARAMS_PDU_SEQ_INORDER 0x00000080
|
|
#define OFFLD_PARAMS_MAX_R2T 0x00FFFF00
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_beiscsi_offload_params {
|
|
u8 max_burst_length[32];
|
|
u8 max_send_data_segment_length[32];
|
|
u8 first_burst_length[32];
|
|
u8 erl[2];
|
|
u8 dde[1];
|
|
u8 hde[1];
|
|
u8 ir2t[1];
|
|
u8 imd[1];
|
|
u8 data_seq_inorder[1];
|
|
u8 pdu_seq_inorder[1];
|
|
u8 max_r2t[16];
|
|
u8 pad[8];
|
|
u8 exp_statsn[32];
|
|
u8 max_recv_data_segment_length[32];
|
|
};
|
|
|
|
struct hd_async_handle {
|
|
struct list_head link;
|
|
struct be_bus_address pa;
|
|
void *pbuffer;
|
|
u32 buffer_len;
|
|
u16 index;
|
|
u16 cri;
|
|
u8 is_header;
|
|
u8 is_final;
|
|
u8 in_use;
|
|
};
|
|
|
|
#define BEISCSI_ASYNC_HDQ_SIZE(phba, ulp) \
|
|
(BEISCSI_GET_CID_COUNT((phba), (ulp)) * 2)
|
|
|
|
/**
|
|
* This has list of async PDUs that are waiting to be processed.
|
|
* Buffers live in this list for a brief duration before they get
|
|
* processed and posted back to hardware.
|
|
* Note that we don't really need one cri_wait_queue per async_entry.
|
|
* We need one cri_wait_queue per CRI. Its easier to manage if this
|
|
* is tagged along with the async_entry.
|
|
*/
|
|
struct hd_async_entry {
|
|
struct cri_wait_queue {
|
|
unsigned short hdr_len;
|
|
unsigned int bytes_received;
|
|
unsigned int bytes_needed;
|
|
struct list_head list;
|
|
} wq;
|
|
/* handles posted to FW resides here */
|
|
struct hd_async_handle *header;
|
|
struct hd_async_handle *data;
|
|
};
|
|
|
|
struct hd_async_buf_context {
|
|
struct be_bus_address pa_base;
|
|
void *va_base;
|
|
void *ring_base;
|
|
struct hd_async_handle *handle_base;
|
|
u32 buffer_size;
|
|
u16 pi;
|
|
};
|
|
|
|
/**
|
|
* hd_async_context is declared for each ULP supporting iSCSI function.
|
|
*/
|
|
struct hd_async_context {
|
|
struct hd_async_buf_context async_header;
|
|
struct hd_async_buf_context async_data;
|
|
u16 num_entries;
|
|
/**
|
|
* When unsol PDU is in, it needs to be chained till all the bytes are
|
|
* received and then processing is done. hd_async_entry is created
|
|
* based on the cid_count for each ULP. When unsol PDU comes in based
|
|
* on the conn_id it needs to be added to the correct async_entry wq.
|
|
* Below defined cid_to_async_cri_map is used to reterive the
|
|
* async_cri_map for a particular connection.
|
|
*
|
|
* This array is initialized after beiscsi_create_wrb_rings returns.
|
|
*
|
|
* - this method takes more memory space, fixed to 2K
|
|
* - any support for connections greater than this the array size needs
|
|
* to be incremented
|
|
*/
|
|
#define BE_GET_ASYNC_CRI_FROM_CID(cid) (pasync_ctx->cid_to_async_cri_map[cid])
|
|
unsigned short cid_to_async_cri_map[BE_MAX_SESSION];
|
|
/**
|
|
* This is a variable size array. Don`t add anything after this field!!
|
|
*/
|
|
struct hd_async_entry *async_entry;
|
|
};
|
|
|
|
struct i_t_dpdu_cqe {
|
|
u32 dw[4];
|
|
} __packed;
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_i_t_dpdu_cqe {
|
|
u8 db_addr_hi[32];
|
|
u8 db_addr_lo[32];
|
|
u8 code[6];
|
|
u8 cid[10];
|
|
u8 dpl[16];
|
|
u8 index[16];
|
|
u8 num_cons[10];
|
|
u8 rsvd0[4];
|
|
u8 final;
|
|
u8 valid;
|
|
} __packed;
|
|
|
|
struct amap_i_t_dpdu_cqe_v2 {
|
|
u8 db_addr_hi[32]; /* DWORD 0 */
|
|
u8 db_addr_lo[32]; /* DWORD 1 */
|
|
u8 code[6]; /* DWORD 2 */
|
|
u8 num_cons; /* DWORD 2*/
|
|
u8 rsvd0[8]; /* DWORD 2 */
|
|
u8 dpl[17]; /* DWORD 2 */
|
|
u8 index[16]; /* DWORD 3 */
|
|
u8 cid[13]; /* DWORD 3 */
|
|
u8 rsvd1; /* DWORD 3 */
|
|
u8 final; /* DWORD 3 */
|
|
u8 valid; /* DWORD 3 */
|
|
} __packed;
|
|
|
|
#define CQE_VALID_MASK 0x80000000
|
|
#define CQE_CODE_MASK 0x0000003F
|
|
#define CQE_CID_MASK 0x0000FFC0
|
|
|
|
#define EQE_VALID_MASK 0x00000001
|
|
#define EQE_MAJORCODE_MASK 0x0000000E
|
|
#define EQE_RESID_MASK 0xFFFF0000
|
|
|
|
struct be_eq_entry {
|
|
u32 dw[1];
|
|
} __packed;
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_eq_entry {
|
|
u8 valid; /* DWORD 0 */
|
|
u8 major_code[3]; /* DWORD 0 */
|
|
u8 minor_code[12]; /* DWORD 0 */
|
|
u8 resource_id[16]; /* DWORD 0 */
|
|
|
|
} __packed;
|
|
|
|
struct cq_db {
|
|
u32 dw[1];
|
|
} __packed;
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_cq_db {
|
|
u8 qid[10];
|
|
u8 event[1];
|
|
u8 rsvd0[5];
|
|
u8 num_popped[13];
|
|
u8 rearm[1];
|
|
u8 rsvd1[2];
|
|
} __packed;
|
|
|
|
void beiscsi_process_eq(struct beiscsi_hba *phba);
|
|
|
|
struct iscsi_wrb {
|
|
u32 dw[16];
|
|
} __packed;
|
|
|
|
#define WRB_TYPE_MASK 0xF0000000
|
|
#define SKH_WRB_TYPE_OFFSET 27
|
|
#define BE_WRB_TYPE_OFFSET 28
|
|
|
|
#define ADAPTER_SET_WRB_TYPE(pwrb, wrb_type, type_offset) \
|
|
(pwrb->dw[0] |= (wrb_type << type_offset))
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_iscsi_wrb {
|
|
u8 lun[14]; /* DWORD 0 */
|
|
u8 lt; /* DWORD 0 */
|
|
u8 invld; /* DWORD 0 */
|
|
u8 wrb_idx[8]; /* DWORD 0 */
|
|
u8 dsp; /* DWORD 0 */
|
|
u8 dmsg; /* DWORD 0 */
|
|
u8 undr_run; /* DWORD 0 */
|
|
u8 over_run; /* DWORD 0 */
|
|
u8 type[4]; /* DWORD 0 */
|
|
u8 ptr2nextwrb[8]; /* DWORD 1 */
|
|
u8 r2t_exp_dtl[24]; /* DWORD 1 */
|
|
u8 sgl_icd_idx[12]; /* DWORD 2 */
|
|
u8 rsvd0[20]; /* DWORD 2 */
|
|
u8 exp_data_sn[32]; /* DWORD 3 */
|
|
u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */
|
|
u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */
|
|
u8 cmdsn_itt[32]; /* DWORD 6 */
|
|
u8 dif_ref_tag[32]; /* DWORD 7 */
|
|
u8 sge0_addr_hi[32]; /* DWORD 8 */
|
|
u8 sge0_addr_lo[32]; /* DWORD 9 */
|
|
u8 sge0_offset[22]; /* DWORD 10 */
|
|
u8 pbs; /* DWORD 10 */
|
|
u8 dif_mode[2]; /* DWORD 10 */
|
|
u8 rsvd1[6]; /* DWORD 10 */
|
|
u8 sge0_last; /* DWORD 10 */
|
|
u8 sge0_len[17]; /* DWORD 11 */
|
|
u8 dif_meta_tag[14]; /* DWORD 11 */
|
|
u8 sge0_in_ddr; /* DWORD 11 */
|
|
u8 sge1_addr_hi[32]; /* DWORD 12 */
|
|
u8 sge1_addr_lo[32]; /* DWORD 13 */
|
|
u8 sge1_r2t_offset[22]; /* DWORD 14 */
|
|
u8 rsvd2[9]; /* DWORD 14 */
|
|
u8 sge1_last; /* DWORD 14 */
|
|
u8 sge1_len[17]; /* DWORD 15 */
|
|
u8 ref_sgl_icd_idx[12]; /* DWORD 15 */
|
|
u8 rsvd3[2]; /* DWORD 15 */
|
|
u8 sge1_in_ddr; /* DWORD 15 */
|
|
|
|
} __packed;
|
|
|
|
struct amap_iscsi_wrb_v2 {
|
|
u8 r2t_exp_dtl[25]; /* DWORD 0 */
|
|
u8 rsvd0[2]; /* DWORD 0*/
|
|
u8 type[5]; /* DWORD 0 */
|
|
u8 ptr2nextwrb[8]; /* DWORD 1 */
|
|
u8 wrb_idx[8]; /* DWORD 1 */
|
|
u8 lun[16]; /* DWORD 1 */
|
|
u8 sgl_idx[16]; /* DWORD 2 */
|
|
u8 ref_sgl_icd_idx[16]; /* DWORD 2 */
|
|
u8 exp_data_sn[32]; /* DWORD 3 */
|
|
u8 iscsi_bhs_addr_hi[32]; /* DWORD 4 */
|
|
u8 iscsi_bhs_addr_lo[32]; /* DWORD 5 */
|
|
u8 cq_id[16]; /* DWORD 6 */
|
|
u8 rsvd1[16]; /* DWORD 6 */
|
|
u8 cmdsn_itt[32]; /* DWORD 7 */
|
|
u8 sge0_addr_hi[32]; /* DWORD 8 */
|
|
u8 sge0_addr_lo[32]; /* DWORD 9 */
|
|
u8 sge0_offset[24]; /* DWORD 10 */
|
|
u8 rsvd2[7]; /* DWORD 10 */
|
|
u8 sge0_last; /* DWORD 10 */
|
|
u8 sge0_len[17]; /* DWORD 11 */
|
|
u8 rsvd3[7]; /* DWORD 11 */
|
|
u8 diff_enbl; /* DWORD 11 */
|
|
u8 u_run; /* DWORD 11 */
|
|
u8 o_run; /* DWORD 11 */
|
|
u8 invld; /* DWORD 11 */
|
|
u8 dsp; /* DWORD 11 */
|
|
u8 dmsg; /* DWORD 11 */
|
|
u8 rsvd4; /* DWORD 11 */
|
|
u8 lt; /* DWORD 11 */
|
|
u8 sge1_addr_hi[32]; /* DWORD 12 */
|
|
u8 sge1_addr_lo[32]; /* DWORD 13 */
|
|
u8 sge1_r2t_offset[24]; /* DWORD 14 */
|
|
u8 rsvd5[7]; /* DWORD 14 */
|
|
u8 sge1_last; /* DWORD 14 */
|
|
u8 sge1_len[17]; /* DWORD 15 */
|
|
u8 rsvd6[15]; /* DWORD 15 */
|
|
} __packed;
|
|
|
|
|
|
struct wrb_handle *alloc_wrb_handle(struct beiscsi_hba *phba, unsigned int cid,
|
|
struct hwi_wrb_context **pcontext);
|
|
void
|
|
free_mgmt_sgl_handle(struct beiscsi_hba *phba, struct sgl_handle *psgl_handle);
|
|
|
|
void beiscsi_free_mgmt_task_handles(struct beiscsi_conn *beiscsi_conn,
|
|
struct iscsi_task *task);
|
|
|
|
void hwi_ring_cq_db(struct beiscsi_hba *phba,
|
|
unsigned int id, unsigned int num_processed,
|
|
unsigned char rearm);
|
|
|
|
unsigned int beiscsi_process_cq(struct be_eq_obj *pbe_eq, int budget);
|
|
void beiscsi_process_mcc_cq(struct beiscsi_hba *phba);
|
|
|
|
struct pdu_nop_out {
|
|
u32 dw[12];
|
|
};
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_pdu_nop_out {
|
|
u8 opcode[6]; /* opcode 0x00 */
|
|
u8 i_bit; /* I Bit */
|
|
u8 x_bit; /* reserved; should be 0 */
|
|
u8 fp_bit_filler1[7];
|
|
u8 f_bit; /* always 1 */
|
|
u8 reserved1[16];
|
|
u8 ahs_length[8]; /* no AHS */
|
|
u8 data_len_hi[8];
|
|
u8 data_len_lo[16]; /* DataSegmentLength */
|
|
u8 lun[64];
|
|
u8 itt[32]; /* initiator id for ping or 0xffffffff */
|
|
u8 ttt[32]; /* target id for ping or 0xffffffff */
|
|
u8 cmd_sn[32];
|
|
u8 exp_stat_sn[32];
|
|
u8 reserved5[128];
|
|
};
|
|
|
|
#define PDUBASE_OPCODE_MASK 0x0000003F
|
|
#define PDUBASE_DATALENHI_MASK 0x0000FF00
|
|
#define PDUBASE_DATALENLO_MASK 0xFFFF0000
|
|
|
|
struct pdu_base {
|
|
u32 dw[16];
|
|
} __packed;
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
struct amap_pdu_base {
|
|
u8 opcode[6];
|
|
u8 i_bit; /* immediate bit */
|
|
u8 x_bit; /* reserved, always 0 */
|
|
u8 reserved1[24]; /* opcode-specific fields */
|
|
u8 ahs_length[8]; /* length units is 4 byte words */
|
|
u8 data_len_hi[8];
|
|
u8 data_len_lo[16]; /* DatasegmentLength */
|
|
u8 lun[64]; /* lun or opcode-specific fields */
|
|
u8 itt[32]; /* initiator task tag */
|
|
u8 reserved4[224];
|
|
};
|
|
|
|
struct iscsi_target_context_update_wrb {
|
|
u32 dw[16];
|
|
} __packed;
|
|
|
|
/**
|
|
* Pseudo amap definition in which each bit of the actual structure is defined
|
|
* as a byte: used to calculate offset/shift/mask of each field
|
|
*/
|
|
#define BE_TGT_CTX_UPDT_CMD 0x07
|
|
struct amap_iscsi_target_context_update_wrb {
|
|
u8 lun[14]; /* DWORD 0 */
|
|
u8 lt; /* DWORD 0 */
|
|
u8 invld; /* DWORD 0 */
|
|
u8 wrb_idx[8]; /* DWORD 0 */
|
|
u8 dsp; /* DWORD 0 */
|
|
u8 dmsg; /* DWORD 0 */
|
|
u8 undr_run; /* DWORD 0 */
|
|
u8 over_run; /* DWORD 0 */
|
|
u8 type[4]; /* DWORD 0 */
|
|
u8 ptr2nextwrb[8]; /* DWORD 1 */
|
|
u8 max_burst_length[19]; /* DWORD 1 */
|
|
u8 rsvd0[5]; /* DWORD 1 */
|
|
u8 rsvd1[15]; /* DWORD 2 */
|
|
u8 max_send_data_segment_length[17]; /* DWORD 2 */
|
|
u8 first_burst_length[14]; /* DWORD 3 */
|
|
u8 rsvd2[2]; /* DWORD 3 */
|
|
u8 tx_wrbindex_drv_msg[8]; /* DWORD 3 */
|
|
u8 rsvd3[5]; /* DWORD 3 */
|
|
u8 session_state[3]; /* DWORD 3 */
|
|
u8 rsvd4[16]; /* DWORD 4 */
|
|
u8 tx_jumbo; /* DWORD 4 */
|
|
u8 hde; /* DWORD 4 */
|
|
u8 dde; /* DWORD 4 */
|
|
u8 erl[2]; /* DWORD 4 */
|
|
u8 domain_id[5]; /* DWORD 4 */
|
|
u8 mode; /* DWORD 4 */
|
|
u8 imd; /* DWORD 4 */
|
|
u8 ir2t; /* DWORD 4 */
|
|
u8 notpredblq[2]; /* DWORD 4 */
|
|
u8 compltonack; /* DWORD 4 */
|
|
u8 stat_sn[32]; /* DWORD 5 */
|
|
u8 pad_buffer_addr_hi[32]; /* DWORD 6 */
|
|
u8 pad_buffer_addr_lo[32]; /* DWORD 7 */
|
|
u8 pad_addr_hi[32]; /* DWORD 8 */
|
|
u8 pad_addr_lo[32]; /* DWORD 9 */
|
|
u8 rsvd5[32]; /* DWORD 10 */
|
|
u8 rsvd6[32]; /* DWORD 11 */
|
|
u8 rsvd7[32]; /* DWORD 12 */
|
|
u8 rsvd8[32]; /* DWORD 13 */
|
|
u8 rsvd9[32]; /* DWORD 14 */
|
|
u8 rsvd10[32]; /* DWORD 15 */
|
|
|
|
} __packed;
|
|
|
|
#define BEISCSI_MAX_RECV_DATASEG_LEN (64 * 1024)
|
|
#define BEISCSI_MAX_CXNS 1
|
|
struct amap_iscsi_target_context_update_wrb_v2 {
|
|
u8 max_burst_length[24]; /* DWORD 0 */
|
|
u8 rsvd0[3]; /* DWORD 0 */
|
|
u8 type[5]; /* DWORD 0 */
|
|
u8 ptr2nextwrb[8]; /* DWORD 1 */
|
|
u8 wrb_idx[8]; /* DWORD 1 */
|
|
u8 rsvd1[16]; /* DWORD 1 */
|
|
u8 max_send_data_segment_length[24]; /* DWORD 2 */
|
|
u8 rsvd2[8]; /* DWORD 2 */
|
|
u8 first_burst_length[24]; /* DWORD 3 */
|
|
u8 rsvd3[8]; /* DOWRD 3 */
|
|
u8 max_r2t[16]; /* DWORD 4 */
|
|
u8 rsvd4; /* DWORD 4 */
|
|
u8 hde; /* DWORD 4 */
|
|
u8 dde; /* DWORD 4 */
|
|
u8 erl[2]; /* DWORD 4 */
|
|
u8 rsvd5[6]; /* DWORD 4 */
|
|
u8 imd; /* DWORD 4 */
|
|
u8 ir2t; /* DWORD 4 */
|
|
u8 rsvd6[3]; /* DWORD 4 */
|
|
u8 stat_sn[32]; /* DWORD 5 */
|
|
u8 rsvd7[32]; /* DWORD 6 */
|
|
u8 rsvd8[32]; /* DWORD 7 */
|
|
u8 max_recv_dataseg_len[24]; /* DWORD 8 */
|
|
u8 rsvd9[8]; /* DWORD 8 */
|
|
u8 rsvd10[32]; /* DWORD 9 */
|
|
u8 rsvd11[32]; /* DWORD 10 */
|
|
u8 max_cxns[16]; /* DWORD 11 */
|
|
u8 rsvd12[11]; /* DWORD 11*/
|
|
u8 invld; /* DWORD 11 */
|
|
u8 rsvd13;/* DWORD 11*/
|
|
u8 dmsg; /* DWORD 11 */
|
|
u8 data_seq_inorder; /* DWORD 11 */
|
|
u8 pdu_seq_inorder; /* DWORD 11 */
|
|
u8 rsvd14[32]; /*DWORD 12 */
|
|
u8 rsvd15[32]; /* DWORD 13 */
|
|
u8 rsvd16[32]; /* DWORD 14 */
|
|
u8 rsvd17[32]; /* DWORD 15 */
|
|
} __packed;
|
|
|
|
|
|
struct be_ring {
|
|
u32 pages; /* queue size in pages */
|
|
u32 id; /* queue id assigned by beklib */
|
|
u32 num; /* number of elements in queue */
|
|
u32 cidx; /* consumer index */
|
|
u32 pidx; /* producer index -- not used by most rings */
|
|
u32 item_size; /* size in bytes of one object */
|
|
u8 ulp_num; /* ULP to which CID binded */
|
|
u16 register_set;
|
|
u16 doorbell_format;
|
|
u32 doorbell_offset;
|
|
|
|
void *va; /* The virtual address of the ring. This
|
|
* should be last to allow 32 & 64 bit debugger
|
|
* extensions to work.
|
|
*/
|
|
};
|
|
|
|
struct hwi_controller {
|
|
struct hwi_wrb_context *wrb_context;
|
|
struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT];
|
|
struct be_ring default_pdu_data[BEISCSI_ULP_COUNT];
|
|
struct hwi_context_memory *phwi_ctxt;
|
|
};
|
|
|
|
enum hwh_type_enum {
|
|
HWH_TYPE_IO = 1,
|
|
HWH_TYPE_LOGOUT = 2,
|
|
HWH_TYPE_TMF = 3,
|
|
HWH_TYPE_NOP = 4,
|
|
HWH_TYPE_IO_RD = 5,
|
|
HWH_TYPE_LOGIN = 11,
|
|
HWH_TYPE_INVALID = 0xFFFFFFFF
|
|
};
|
|
|
|
struct wrb_handle {
|
|
unsigned short wrb_index;
|
|
struct iscsi_task *pio_handle;
|
|
struct iscsi_wrb *pwrb;
|
|
};
|
|
|
|
struct hwi_context_memory {
|
|
struct be_eq_obj be_eq[MAX_CPUS];
|
|
struct be_queue_info be_cq[MAX_CPUS - 1];
|
|
|
|
struct be_queue_info *be_wrbq;
|
|
/**
|
|
* Create array of ULP number for below entries as DEFQ
|
|
* will be created for both ULP if iSCSI Protocol is
|
|
* loaded on both ULP.
|
|
*/
|
|
struct be_queue_info be_def_hdrq[BEISCSI_ULP_COUNT];
|
|
struct be_queue_info be_def_dataq[BEISCSI_ULP_COUNT];
|
|
struct hd_async_context *pasync_ctx[BEISCSI_ULP_COUNT];
|
|
};
|
|
|
|
void beiscsi_start_boot_work(struct beiscsi_hba *phba, unsigned int s_handle);
|
|
|
|
/* Logging related definitions */
|
|
#define BEISCSI_LOG_INIT 0x0001 /* Initialization events */
|
|
#define BEISCSI_LOG_MBOX 0x0002 /* Mailbox Events */
|
|
#define BEISCSI_LOG_MISC 0x0004 /* Miscllaneous Events */
|
|
#define BEISCSI_LOG_EH 0x0008 /* Error Handler */
|
|
#define BEISCSI_LOG_IO 0x0010 /* IO Code Path */
|
|
#define BEISCSI_LOG_CONFIG 0x0020 /* CONFIG Code Path */
|
|
#define BEISCSI_LOG_ISCSI 0x0040 /* SCSI/iSCSI Protocol related Logs */
|
|
|
|
#define __beiscsi_log(phba, level, fmt, arg...) \
|
|
shost_printk(level, phba->shost, fmt, __LINE__, ##arg)
|
|
|
|
#define beiscsi_log(phba, level, mask, fmt, arg...) \
|
|
do { \
|
|
uint32_t log_value = phba->attr_log_enable; \
|
|
if (((mask) & log_value) || (level[1] <= '3')) \
|
|
__beiscsi_log(phba, level, fmt, ##arg); \
|
|
} while (0);
|
|
|
|
#endif
|