litmus-rt-ext-res.git - LITMUS^RT with extended reservations for Forbidden Zones paper @ RTAS'20

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author	Shivasharan S <shivasharan.srikanteshwara@broadcom.com>	2017-02-10 03:59:32 -0500
committer	Martin K. Petersen <martin.petersen@oracle.com>	2017-02-13 07:26:23 -0500
commit	7a7ae4f19280a4da2dfbdca3a414b0fd5fef2cb4 (patch)
tree	66c479584b429036ce9562e39fe945d0a1c7f39a /tools/perf/scripts/python/sched-migration.py
parent	a6821ca39e0cac24b4c366b28b07c1a37ce8915d (diff)

scsi: megaraid_sas: Change build_mpt_mfi_pass_thru to return void

Code refactoring to build_mpt_mfi_pass_thru to return void. Signed-off-by: Kashyap Desai <kashyap.desai@broadcom.com> Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

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/*
 * This header file contains public constants and structures used by
 * the SCSI initiator code.
 */
#ifndef _SCSI_SCSI_H
#define _SCSI_SCSI_H

#include <linux/types.h>
#include <linux/scatterlist.h>
#include <linux/kernel.h>
#include <scsi/scsi_common.h>
#include <scsi/scsi_proto.h>

struct scsi_cmnd;

enum scsi_timeouts {
	SCSI_DEFAULT_EH_TIMEOUT		= 10 * HZ,
};

/*
 * DIX-capable adapters effectively support infinite chaining for the
 * protection information scatterlist
 */
#define SCSI_MAX_PROT_SG_SEGMENTS	0xFFFF

/*
 * Special value for scanning to specify scanning or rescanning of all
 * possible channels, (target) ids, or luns on a given shost.
 */
#define SCAN_WILD_CARD	~0

#ifdef CONFIG_ACPI
struct acpi_bus_type;

extern int
scsi_register_acpi_bus_type(struct acpi_bus_type *bus);

extern void
scsi_unregister_acpi_bus_type(struct acpi_bus_type *bus);
#endif

/** scsi_status_is_good - check the status return.
 *
 * @status: the status passed up from the driver (including host and
 *          driver components)
 *
 * This returns true for known good conditions that may be treated as
 * command completed normally
 */
static inline int scsi_status_is_good(int status)
{
	/*
	 * FIXME: bit0 is listed as reserved in SCSI-2, but is
	 * significant in SCSI-3.  For now, we follow the SCSI-2
	 * behaviour and ignore reserved bits.
	 */
	status &= 0xfe;
	return ((status == SAM_STAT_GOOD) ||
		(status == SAM_STAT_INTERMEDIATE) ||
		(status == SAM_STAT_INTERMEDIATE_CONDITION_MET) ||
		/* FIXME: this is obsolete in SAM-3 */
		(status == SAM_STAT_COMMAND_TERMINATED));
}


/*
 * standard mode-select header prepended to all mode-select commands
 */

struct ccs_modesel_head {
	__u8 _r1;			/* reserved */
	__u8 medium;		/* device-specific medium type */
	__u8 _r2;			/* reserved */
	__u8 block_desc_length;	/* block descriptor length */
	__u8 density;		/* device-specific density code */
	__u8 number_blocks_hi;	/* number of blocks in this block desc */
	__u8 number_blocks_med;
	__u8 number_blocks_lo;
	__u8 _r3;


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