Differential D33925 Diff 101580 sys/dev/mps/mps_sas.c

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sys/dev/mps/mps_sas.c

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#include <dev/mps/mpi/mpi2_cnfg.h>		#include <dev/mps/mpi/mpi2_cnfg.h>
#include <dev/mps/mpi/mpi2_init.h>		#include <dev/mps/mpi/mpi2_init.h>
#include <dev/mps/mpi/mpi2_tool.h>		#include <dev/mps/mpi/mpi2_tool.h>
#include <dev/mps/mps_ioctl.h>		#include <dev/mps/mps_ioctl.h>
#include <dev/mps/mpsvar.h>		#include <dev/mps/mpsvar.h>
#include <dev/mps/mps_table.h>		#include <dev/mps/mps_table.h>
#include <dev/mps/mps_sas.h>		#include <dev/mps/mps_sas.h>

#define MPSSAS_DISCOVERY_TIMEOUT 20
#define MPSSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */

/*		/*
* static array to check SCSI OpCode for EEDP protection bits		* static array to check SCSI OpCode for EEDP protection bits
*/		*/
#define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP		#define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
#define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP		#define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
#define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP		#define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
static uint8_t op_code_prot[256] = {		static uint8_t op_code_prot[256] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,		0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
▲ Show 20 Lines • Show All 668 Lines • ▼ Show 20 Lines	mps_attach_sas(struct mps_softc *sc)
* Assume that discovery events will start right away.		* Assume that discovery events will start right away.
*		*
* Hold off boot until discovery is complete.		* Hold off boot until discovery is complete.
*/		*/
sassc->flags \|= MPSSAS_IN_STARTUP \| MPSSAS_IN_DISCOVERY;		sassc->flags \|= MPSSAS_IN_STARTUP \| MPSSAS_IN_DISCOVERY;
sc->sassc->startup_refcount = 0;		sc->sassc->startup_refcount = 0;
mpssas_startup_increment(sassc);		mpssas_startup_increment(sassc);

callout_init(&sassc->discovery_callout, 1 /mpsafe/);

mps_unlock(sc);		mps_unlock(sc);

/*		/*
* Register for async events so we can determine the EEDP		* Register for async events so we can determine the EEDP
* capabilities of devices.		* capabilities of devices.
*/		*/
status = xpt_create_path(&sassc->path, /periph/NULL,		status = xpt_create_path(&sassc->path, /periph/NULL,
cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,		cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,
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}		}

void		void
mpssas_discovery_end(struct mpssas_softc *sassc)		mpssas_discovery_end(struct mpssas_softc *sassc)
{		{
struct mps_softc *sc = sassc->sc;		struct mps_softc *sc = sassc->sc;

MPS_FUNCTRACE(sc);		MPS_FUNCTRACE(sc);

if (sassc->flags & MPSSAS_DISCOVERY_TIMEOUT_PENDING)
callout_stop(&sassc->discovery_callout);

/*		/*
* After discovery has completed, check the mapping table for any		* After discovery has completed, check the mapping table for any
* missing devices and update their missing counts. Only do this once		* missing devices and update their missing counts. Only do this once
* whenever the driver is initialized so that missing counts aren't		* whenever the driver is initialized so that missing counts aren't
* updated unnecessarily. Note that just because discovery has		* updated unnecessarily. Note that just because discovery has
* completed doesn't mean that events have been processed yet. The		* completed doesn't mean that events have been processed yet. The
* check_devices function is a callout timer that checks if ALL devices		* check_devices function is a callout timer that checks if ALL devices
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