forked from Minki/linux
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
/*
|
|
* Transport specific attributes.
|
|
*
|
|
* Copyright (c) 2003 Silicon Graphics, Inc. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
#ifndef SCSI_TRANSPORT_H
|
|
#define SCSI_TRANSPORT_H
|
|
|
|
#include <linux/transport_class.h>
|
|
#include <linux/blkdev.h>
|
|
#include <linux/bug.h>
|
|
#include <scsi/scsi_host.h>
|
|
#include <scsi/scsi_device.h>
|
|
|
|
struct scsi_transport_template {
|
|
/* the attribute containers */
|
|
struct transport_container host_attrs;
|
|
struct transport_container target_attrs;
|
|
struct transport_container device_attrs;
|
|
|
|
/*
|
|
* If set, called from sysfs and legacy procfs rescanning code.
|
|
*/
|
|
int (*user_scan)(struct Scsi_Host *, uint, uint, u64);
|
|
|
|
/* The size of the specific transport attribute structure (a
|
|
* space of this size will be left at the end of the
|
|
* scsi_* structure */
|
|
int device_size;
|
|
int device_private_offset;
|
|
int target_size;
|
|
int target_private_offset;
|
|
int host_size;
|
|
/* no private offset for the host; there's an alternative mechanism */
|
|
|
|
/*
|
|
* True if the transport wants to use a host-based work-queue
|
|
*/
|
|
unsigned int create_work_queue : 1;
|
|
|
|
/*
|
|
* Allows a transport to override the default error handler.
|
|
*/
|
|
void (* eh_strategy_handler)(struct Scsi_Host *);
|
|
};
|
|
|
|
#define transport_class_to_shost(tc) \
|
|
dev_to_shost((tc)->parent)
|
|
|
|
|
|
/* Private area maintenance. The driver requested allocations come
|
|
* directly after the transport class allocations (if any). The idea
|
|
* is that you *must* call these only once. The code assumes that the
|
|
* initial values are the ones the transport specific code requires */
|
|
static inline void
|
|
scsi_transport_reserve_target(struct scsi_transport_template * t, int space)
|
|
{
|
|
BUG_ON(t->target_private_offset != 0);
|
|
t->target_private_offset = ALIGN(t->target_size, sizeof(void *));
|
|
t->target_size = t->target_private_offset + space;
|
|
}
|
|
static inline void
|
|
scsi_transport_reserve_device(struct scsi_transport_template * t, int space)
|
|
{
|
|
BUG_ON(t->device_private_offset != 0);
|
|
t->device_private_offset = ALIGN(t->device_size, sizeof(void *));
|
|
t->device_size = t->device_private_offset + space;
|
|
}
|
|
static inline void *
|
|
scsi_transport_target_data(struct scsi_target *starget)
|
|
{
|
|
struct Scsi_Host *shost = dev_to_shost(&starget->dev);
|
|
return (u8 *)starget->starget_data
|
|
+ shost->transportt->target_private_offset;
|
|
|
|
}
|
|
static inline void *
|
|
scsi_transport_device_data(struct scsi_device *sdev)
|
|
{
|
|
struct Scsi_Host *shost = sdev->host;
|
|
return (u8 *)sdev->sdev_data
|
|
+ shost->transportt->device_private_offset;
|
|
}
|
|
|
|
void __scsi_init_queue(struct Scsi_Host *shost, struct request_queue *q);
|
|
|
|
#endif /* SCSI_TRANSPORT_H */
|