cdc194705d
This update includes the usual round of major driver updates (ncr5380, ufs, lpfc, be2iscsi, hisi_sas, storvsc, cxlflash, aacraid, megaraid_sas, ). There's also an assortment of minor fixes and the major update of switching a bunch of drivers to pci_alloc_irq_vectors from Christoph. Signed-off-by: James E.J. Bottomley <jejb@linux.vnet.ibm.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABAgAGBQJYq5adAAoJEAVr7HOZEZN4bjUP/Atk7CSZVnC75pcYmncbEGCx ysOlEHK4uW2HhiAYk3PlYMk+pKrMHet2zsbbM9PHJfopdOHZ7Sq1+UZZVeqE1Zun 8pe0NhON+fZx7XAnevdEvnSSULQZ+AGfjZO72iUwkJiN3ozYaFtCITOyn49l4GpR ra9emskBh7CQOFW2voGn1AKeDijPYGx3+TO4AUrWjVMiByR06gb1bmImx+ljiUrs jzRJPfrt90ORcTdpMateyN2EXxudcASMhX03SJ6fRI84hPAhMCROMbTv8RnzOTE4 DPbnvbYUowlHt43iUhJHSwGdkRRaRBnkzQENBp1fNrNzZgF6vB7+kShxbonrYB2p gC4ewaJr0BNj+HsUnvTpe3WseiPOcfsnBsKilPLKBlm2dCKEXqFox/dj/T1uexxg HoyFrl3u8fyEqVHrzRS4M9t/njWh0NFmXxb0wBdj+lkVFTRErGSKQ8SfOqshuSGs P8NN88jy8vC7uqgzKBJ+UH3ehzn3qfBxasFHIC/e2awY9FqKjHGTxKMmSVpjXVxy wCvE2FQ3k/qEj2XSM6f7/NGytlSOlju5q1rFtHPW2M+TFSh0LJWCnmVjR/Zle9em pBWmtIgCv8W5b41zL2H94nLWAZbfdrrNU/XnX88l47LKnmorte/PGhpxu36NEsMS VCgreQmFMdMRY+WzDWl1 =cBQx -----END PGP SIGNATURE----- Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi Pull SCSI updates from James Bottomley: "This update includes the usual round of major driver updates (ncr5380, ufs, lpfc, be2iscsi, hisi_sas, storvsc, cxlflash, aacraid, megaraid_sas, ...). There's also an assortment of minor fixes and the major update of switching a bunch of drivers to pci_alloc_irq_vectors from Christoph" * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (188 commits) scsi: megaraid_sas: handle dma_addr_t right on 32-bit scsi: megaraid_sas: array overflow in megasas_dump_frame() scsi: snic: switch to pci_irq_alloc_vectors scsi: megaraid_sas: driver version upgrade scsi: megaraid_sas: Change RAID_1_10_RMW_CMDS to RAID_1_PEER_CMDS and set value to 2 scsi: megaraid_sas: Indentation and smatch warning fixes scsi: megaraid_sas: Cleanup VD_EXT_DEBUG and SPAN_DEBUG related debug prints scsi: megaraid_sas: Increase internal command pool scsi: megaraid_sas: Use synchronize_irq to wait for IRQs to complete scsi: megaraid_sas: Bail out the driver load if ld_list_query fails scsi: megaraid_sas: Change build_mpt_mfi_pass_thru to return void scsi: megaraid_sas: During OCR, if get_ctrl_info fails do not continue with OCR scsi: megaraid_sas: Do not set fp_possible if TM capable for non-RW syspdIO, change fp_possible to bool scsi: megaraid_sas: Remove unused pd_index from megasas_build_ld_nonrw_fusion scsi: megaraid_sas: megasas_return_cmd does not memset IO frame to zero scsi: megaraid_sas: max_fw_cmds are decremented twice, remove duplicate scsi: megaraid_sas: update can_queue only if the new value is less scsi: megaraid_sas: Change max_cmd from u32 to u16 in all functions scsi: megaraid_sas: set pd_after_lb from MR_BuildRaidContext and initialize pDevHandle to MR_DEVHANDLE_INVALID scsi: megaraid_sas: latest controller OCR capability from FW before sending shutdown DCMD ...
102 lines
3.2 KiB
C
102 lines
3.2 KiB
C
/*
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* Transport specific attributes.
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*
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* Copyright (c) 2003 Silicon Graphics, Inc. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef SCSI_TRANSPORT_H
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#define SCSI_TRANSPORT_H
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#include <linux/transport_class.h>
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#include <linux/blkdev.h>
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#include <linux/bug.h>
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#include <scsi/scsi_host.h>
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#include <scsi/scsi_device.h>
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struct scsi_transport_template {
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/* the attribute containers */
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struct transport_container host_attrs;
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struct transport_container target_attrs;
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struct transport_container device_attrs;
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/*
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* If set, called from sysfs and legacy procfs rescanning code.
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*/
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int (*user_scan)(struct Scsi_Host *, uint, uint, u64);
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/* The size of the specific transport attribute structure (a
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* space of this size will be left at the end of the
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* scsi_* structure */
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int device_size;
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int device_private_offset;
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int target_size;
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int target_private_offset;
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int host_size;
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/* no private offset for the host; there's an alternative mechanism */
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/*
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* True if the transport wants to use a host-based work-queue
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*/
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unsigned int create_work_queue : 1;
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/*
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* Allows a transport to override the default error handler.
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*/
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void (* eh_strategy_handler)(struct Scsi_Host *);
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};
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#define transport_class_to_shost(tc) \
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dev_to_shost((tc)->parent)
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/* Private area maintenance. The driver requested allocations come
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* directly after the transport class allocations (if any). The idea
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* is that you *must* call these only once. The code assumes that the
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* initial values are the ones the transport specific code requires */
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static inline void
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scsi_transport_reserve_target(struct scsi_transport_template * t, int space)
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{
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BUG_ON(t->target_private_offset != 0);
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t->target_private_offset = ALIGN(t->target_size, sizeof(void *));
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t->target_size = t->target_private_offset + space;
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}
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static inline void
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scsi_transport_reserve_device(struct scsi_transport_template * t, int space)
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{
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BUG_ON(t->device_private_offset != 0);
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t->device_private_offset = ALIGN(t->device_size, sizeof(void *));
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t->device_size = t->device_private_offset + space;
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}
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static inline void *
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scsi_transport_target_data(struct scsi_target *starget)
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{
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struct Scsi_Host *shost = dev_to_shost(&starget->dev);
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return (u8 *)starget->starget_data
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+ shost->transportt->target_private_offset;
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}
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static inline void *
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scsi_transport_device_data(struct scsi_device *sdev)
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{
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struct Scsi_Host *shost = sdev->host;
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return (u8 *)sdev->sdev_data
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+ shost->transportt->device_private_offset;
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}
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void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q);
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#endif /* SCSI_TRANSPORT_H */
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