1 /* 2 * This file is part of the Chelsio FCoE driver for Linux. 3 * 4 * Copyright (c) 2008-2012 Chelsio Communications, Inc. All rights reserved. 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenIB.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef __CSIO_INIT_H__ 36 #define __CSIO_INIT_H__ 37 38 #include <linux/pci.h> 39 #include <linux/if_ether.h> 40 #include <scsi/scsi.h> 41 #include <scsi/scsi_device.h> 42 #include <scsi/scsi_host.h> 43 #include <scsi/scsi_transport_fc.h> 44 45 #include "csio_scsi.h" 46 #include "csio_lnode.h" 47 #include "csio_rnode.h" 48 #include "csio_hw.h" 49 50 #define CSIO_DRV_AUTHOR "Chelsio Communications" 51 #define CSIO_DRV_LICENSE "Dual BSD/GPL" 52 #define CSIO_DRV_DESC "Chelsio FCoE driver" 53 #define CSIO_DRV_VERSION "1.0.0" 54 55 #define CSIO_DEVICE(devid, idx) \ 56 { PCI_VENDOR_ID_CHELSIO, (devid), PCI_ANY_ID, PCI_ANY_ID, 0, 0, (idx) } 57 58 #define CSIO_IS_T4_FPGA(_dev) (((_dev) == CSIO_DEVID_PE10K) ||\ 59 ((_dev) == CSIO_DEVID_PE10K_PF1)) 60 61 /* FCoE device IDs */ 62 #define CSIO_DEVID_PE10K 0xA000 63 #define CSIO_DEVID_PE10K_PF1 0xA001 64 #define CSIO_DEVID_T440DBG_FCOE 0x4600 65 #define CSIO_DEVID_T420CR_FCOE 0x4601 66 #define CSIO_DEVID_T422CR_FCOE 0x4602 67 #define CSIO_DEVID_T440CR_FCOE 0x4603 68 #define CSIO_DEVID_T420BCH_FCOE 0x4604 69 #define CSIO_DEVID_T440BCH_FCOE 0x4605 70 #define CSIO_DEVID_T440CH_FCOE 0x4606 71 #define CSIO_DEVID_T420SO_FCOE 0x4607 72 #define CSIO_DEVID_T420CX_FCOE 0x4608 73 #define CSIO_DEVID_T420BT_FCOE 0x4609 74 #define CSIO_DEVID_T404BT_FCOE 0x460A 75 #define CSIO_DEVID_B420_FCOE 0x460B 76 #define CSIO_DEVID_B404_FCOE 0x460C 77 #define CSIO_DEVID_T480CR_FCOE 0x460D 78 #define CSIO_DEVID_T440LPCR_FCOE 0x460E 79 80 extern struct fc_function_template csio_fc_transport_funcs; 81 extern struct fc_function_template csio_fc_transport_vport_funcs; 82 83 void csio_fchost_attr_init(struct csio_lnode *); 84 85 /* INTx handlers */ 86 void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t, 87 struct csio_fl_dma_buf *, void *); 88 89 void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t, 90 struct csio_fl_dma_buf *, void *); 91 92 /* Common os lnode APIs */ 93 void csio_lnodes_block_request(struct csio_hw *); 94 void csio_lnodes_unblock_request(struct csio_hw *); 95 void csio_lnodes_block_by_port(struct csio_hw *, uint8_t); 96 void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t); 97 98 struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool, 99 struct csio_lnode *); 100 void csio_shost_exit(struct csio_lnode *); 101 void csio_lnodes_exit(struct csio_hw *, bool); 102 103 static inline struct Scsi_Host * 104 csio_ln_to_shost(struct csio_lnode *ln) 105 { 106 return container_of((void *)ln, struct Scsi_Host, hostdata[0]); 107 } 108 109 /* SCSI -- locking version of get/put ioreqs */ 110 static inline struct csio_ioreq * 111 csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim) 112 { 113 struct csio_ioreq *ioreq; 114 unsigned long flags; 115 116 spin_lock_irqsave(&scsim->freelist_lock, flags); 117 ioreq = csio_get_scsi_ioreq(scsim); 118 spin_unlock_irqrestore(&scsim->freelist_lock, flags); 119 120 return ioreq; 121 } 122 123 static inline void 124 csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim, 125 struct csio_ioreq *ioreq) 126 { 127 unsigned long flags; 128 129 spin_lock_irqsave(&scsim->freelist_lock, flags); 130 csio_put_scsi_ioreq(scsim, ioreq); 131 spin_unlock_irqrestore(&scsim->freelist_lock, flags); 132 } 133 134 /* Called in interrupt context */ 135 static inline void 136 csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim, 137 struct list_head *reqlist, int n) 138 { 139 unsigned long flags; 140 141 spin_lock_irqsave(&scsim->freelist_lock, flags); 142 csio_put_scsi_ioreq_list(scsim, reqlist, n); 143 spin_unlock_irqrestore(&scsim->freelist_lock, flags); 144 } 145 146 /* Called in interrupt context */ 147 static inline void 148 csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim, 149 struct list_head *reqlist, int n) 150 { 151 unsigned long flags; 152 153 spin_lock_irqsave(&hw->lock, flags); 154 csio_put_scsi_ddp_list(scsim, reqlist, n); 155 spin_unlock_irqrestore(&hw->lock, flags); 156 } 157 158 #endif /* ifndef __CSIO_INIT_H__ */ 159