cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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csio_init.h (4438B)

      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_DESC			"Chelsio FCoE driver"
     52#define CSIO_DRV_VERSION		"1.0.0-ko"
     53
     54extern struct fc_function_template csio_fc_transport_funcs;
     55extern struct fc_function_template csio_fc_transport_vport_funcs;
     56
     57void csio_fchost_attr_init(struct csio_lnode *);
     58
     59/* INTx handlers */
     60void csio_scsi_intx_handler(struct csio_hw *, void *, uint32_t,
     61			       struct csio_fl_dma_buf *, void *);
     62
     63void csio_fwevt_intx_handler(struct csio_hw *, void *, uint32_t,
     64				struct csio_fl_dma_buf *, void *);
     65
     66/* Common os lnode APIs */
     67void csio_lnodes_block_request(struct csio_hw *);
     68void csio_lnodes_unblock_request(struct csio_hw *);
     69void csio_lnodes_block_by_port(struct csio_hw *, uint8_t);
     70void csio_lnodes_unblock_by_port(struct csio_hw *, uint8_t);
     71
     72struct csio_lnode *csio_shost_init(struct csio_hw *, struct device *, bool,
     73					struct csio_lnode *);
     74void csio_shost_exit(struct csio_lnode *);
     75void csio_lnodes_exit(struct csio_hw *, bool);
     76
     77/* DebugFS helper routines */
     78void csio_add_debugfs_mem(struct csio_hw *, const char *,
     79		unsigned int, unsigned int);
     80
     81static inline struct Scsi_Host *
     82csio_ln_to_shost(struct csio_lnode *ln)
     83{
     84	return container_of((void *)ln, struct Scsi_Host, hostdata[0]);
     85}
     86
     87/* SCSI -- locking version of get/put ioreqs  */
     88static inline struct csio_ioreq *
     89csio_get_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim)
     90{
     91	struct csio_ioreq *ioreq;
     92	unsigned long flags;
     93
     94	spin_lock_irqsave(&scsim->freelist_lock, flags);
     95	ioreq = csio_get_scsi_ioreq(scsim);
     96	spin_unlock_irqrestore(&scsim->freelist_lock, flags);
     97
     98	return ioreq;
     99}
    100
    101static inline void
    102csio_put_scsi_ioreq_lock(struct csio_hw *hw, struct csio_scsim *scsim,
    103			 struct csio_ioreq *ioreq)
    104{
    105	unsigned long flags;
    106
    107	spin_lock_irqsave(&scsim->freelist_lock, flags);
    108	csio_put_scsi_ioreq(scsim, ioreq);
    109	spin_unlock_irqrestore(&scsim->freelist_lock, flags);
    110}
    111
    112/* Called in interrupt context */
    113static inline void
    114csio_put_scsi_ioreq_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
    115			      struct list_head *reqlist, int n)
    116{
    117	unsigned long flags;
    118
    119	spin_lock_irqsave(&scsim->freelist_lock, flags);
    120	csio_put_scsi_ioreq_list(scsim, reqlist, n);
    121	spin_unlock_irqrestore(&scsim->freelist_lock, flags);
    122}
    123
    124/* Called in interrupt context */
    125static inline void
    126csio_put_scsi_ddp_list_lock(struct csio_hw *hw, struct csio_scsim *scsim,
    127			      struct list_head *reqlist, int n)
    128{
    129	unsigned long flags;
    130
    131	spin_lock_irqsave(&hw->lock, flags);
    132	csio_put_scsi_ddp_list(scsim, reqlist, n);
    133	spin_unlock_irqrestore(&hw->lock, flags);
    134}
    135
    136#endif /* ifndef __CSIO_INIT_H__ */