interface to device driver. More...

Defines
#define	PRINTF(n) if ( verbose>=(n) ) printf
#define	MFA_FAIL 0xffffffff
Typedefs
typedef unsigned short	u16
typedef unsigned	u32
typedef u32	MFA
Functions
int	setMbox (struct MU *m, int ibox, u32 value)
	set a mail mbox register: ibox [0-3].
u32	getMbox (struct MU *m, int ibox)
	get contents of mailbox register: ibox [0-3]
u32	getMboxShadow (struct MU *m, int ibox)
	get last contents of mailbox register: ibox [0-3]
int	setMboxBits (struct MU *m, int ibox, u32 bits_to_set)
	just set these bits.
int	clrMboxBits (struct MU *m, int ibox, u32 bits_to_clr)
	just clr these bits.
int	setMboxField (struct MU *m, int ibox, u32 field_mask, u32 field_value)
	set the field in the register only.
u32	pollMboxBits (struct MU *m, int ibox, u32 mask, u32 goal)
	return when any of the bits become true.
int	pollAck (struct MU *m)
	polls regular ack from acq32.
struct MU *	mmapMbox (int iboard)
	iboard [1-3].
void	setMboxPollcount (struct MU *m, int poll_count)
int	getMboxPollcount (struct MU *m)
void	showLastWrites (struct MU *m)
struct DmaBuffer *	mmapDmaBuffer (int iboard, unsigned nbytes)
u32	getBusAddr (struct DmaBuffer *b, u32 offset_bytes)
u32 *	getVaddr (struct DmaBuffer *b, u32 offset_bytes)
int	getDmaBufferLen (struct DmaBuffer *b)
struct DmaBuffer *	mmapBigBuffer (int iboard, unsigned nbytes)
void	mmapValidateDmaBuffer (struct MU *mbx, int nsamples)
void	acq32_enableInts (struct MU *mbx, unsigned mask)
void	acq32_maskInts (struct MU *mbx, unsigned mask)
int	hbPoll (struct DmaBuffer buf, int offset, int sample_len, volatile int user_abort)
void	hbPrimePoll (struct DmaBuffer *buf, int offset, int sample_len)
void	hbPrimeBuffer (struct DmaBuffer *buf)
MFA	mu_reserveOutbound (struct MU *mu)
	I2O Q ports: OUTBOUND: host reserves free MFA, puts MFA as command INBOUND: host gets message MFA, replaces MFA when done.
int	mu_putOutbound (struct MU *mu, MFA mfa)
MFA	mu_getInbound (struct MU *mu)
int	mu_returnInbound (struct MU *mu, MFA mfa)
static void	memset32 (u32 *buf, u32 value, int count)
void	setPathCleanup (struct MU *m, unsigned cmd)
	set a deferred action to take place on path close/
void	acq200_setImask (int slot, const char *mask)
void	acq200_setImask (int slot, u32 *mask)
Variables
int	verbose

Detailed Description

interface to device driver.

gets mappings for control-mailboxes, and data-slave memory, provides convenience functions for access

Definition in file llif.h.

Define Documentation

#define MFA_FAIL 0xffffffff

Definition at line 218 of file llif.h.

#define PRINTF ( n ) if ( verbose>=(n) ) printf

Definition at line 93 of file llif.h.

Referenced by acq32_enableInts(), acq32_maskInts(), appEnterLLC_SYNC_2VAO32(), LL_ControlSystemI::Arm(), enterLLC(), getMbox(), getVaddr(), hbPoll(), llSetCmd(), llSetDacs(), measureBridgeStats(), mmapBigBuffer(), mmapMbox(), pollAck(), pollMboxBits(), setMbox(), LL_ControlSystemI::Stop(), and updateTargetAddr().

Typedef Documentation

typedef u32 MFA

Definition at line 106 of file llif.h.

typedef unsigned short u16

Definition at line 96 of file llif.h.

typedef unsigned u32

Definition at line 97 of file llif.h.

Function Documentation

void acq200_setImask	(	int	slot,
		const char *	mask
	)

Definition at line 536 of file llif26.cpp.

References FMT_IMASK.

Referenced by LL_ControlSystemI::Arm(), measureBridgeStats(), and LL_ControlSystemI::Stop().

void acq200_setImask	(	int	slot,
		u32 *	mask
	)

Definition at line 551 of file llif26.cpp.

References FMT_IMASK.

void acq32_enableInts	(	struct MU *	mbx,
		unsigned	mask
	)

Definition at line 371 of file llif26.cpp.

References ACQ32_IOS_INTS_ENABLE, MU::fd, and PRINTF.

void acq32_maskInts	(	struct MU *	mbx,
		unsigned	mask
	)

Definition at line 381 of file llif26.cpp.

References ACQ32_IOS_INTS_DISABLE, MU::fd, and PRINTF.

int clrMboxBits	(	struct MU *	m,
		int	ibox,
		u32	bits_to_clr
	)

just clr these bits.

Definition at line 203 of file llif26.cpp.

References IN_RANGE, MU::mailboxes, and MU::mailboxes_shadow.

u32 getBusAddr	(	struct DmaBuffer *	b,
		u32	offset_bytes
	)

Definition at line 349 of file llif26.cpp.

References DmaBuffer::physaddr.

Referenced by appEnterLLC_SYNC_2VAO32(), and updateTargetAddr().

int getDmaBufferLen ( struct DmaBuffer * b )

Definition at line 343 of file llif26.cpp.

References DmaBuffer::nbytes.

u32 getMbox	(	struct MU *	m,
		int	ibox
	)

get contents of mailbox register: ibox [0-3]

Definition at line 222 of file llif26.cpp.

References IN_RANGE, MU::mailboxes, MU::mailboxes_shadow, and PRINTF.

Referenced by llGetCsr(), llGetTinst(), llGetTlatch(), measureBridge(), measureBridgeStats(), mmapMbox(), monitor_handler(), pollAck(), pollMboxBits(), and quit_handler().

int getMboxPollcount ( struct MU * m )

Definition at line 269 of file llif26.cpp.

References MU::poll_count.

u32 getMboxShadow	(	struct MU *	m,
		int	ibox
	)

get last contents of mailbox register: ibox [0-3]

Definition at line 241 of file llif26.cpp.

References IN_RANGE, and MU::mailboxes_shadow.

Referenced by llWaitDmaDone().

u32* getVaddr	(	struct DmaBuffer *	b,
		u32	offset_bytes
	)

Definition at line 359 of file llif26.cpp.

References PRINTF, and DmaBuffer::vaddr.

Referenced by appEnterLLC_SYNC_2VAO32(), LL_ControlSystemI::Arm(), card_sync_2v_WaitDmaDone(), card_v2_WaitDmaDone(), doDmaBufDataOutput(), ACQ196::getAI(), ACQ196::getDI(), ACQ196::getStatus(), AO32::putAO(), ACQ196::putAO(), AO32::putDO(), ACQ196::putDO(), sync_2v_updateTstats(), ACQ196::toggle_wd(), and v2_updateTstats().

int hbPoll	(	struct DmaBuffer *	buf,
		int	offset,
		int	sample_len,
		volatile int *	user_abort
	)

Definition at line 496 of file llif26.cpp.

References INITBUF_MARKER, marker, PRINTF, udelay(), and DmaBuffer::vaddr.

void hbPrimeBuffer ( struct DmaBuffer * buf )

Definition at line 478 of file llif26.cpp.

References INITBUF_MARKER, memset32(), DmaBuffer::nbytes, and DmaBuffer::vaddr.

Referenced by initCardResource().

void hbPrimePoll	(	struct DmaBuffer *	buf,
		int	offset,
		int	sample_len
	)

Definition at line 488 of file llif26.cpp.

References INITBUF_MARKER, marker, and DmaBuffer::vaddr.

static void memset32	(	u32 *	buf,
		u32	value,
		int	count
	)		`[inline, static]`

Definition at line 201 of file llif.h.

Referenced by hbPrimeBuffer().

struct DmaBuffer* mmapBigBuffer	(	int	iboard,
		unsigned	nbytes
	)		`[read]`

Definition at line 394 of file llif26.cpp.

References FN, FNAME_FMT_HOST, host_len(), host_pa(), DmaBuffer::nbytes, DmaBuffer::physaddr, PRINTF, and DmaBuffer::vaddr.

Referenced by initCardResource().

struct DmaBuffer* mmapDmaBuffer	(	int	iboard,
		unsigned	nbytes
	)		`[read]`

struct MU* mmapMbox ( int iboard ) [read]

iboard [1-3].

return mapping on success.

Definition at line 275 of file llif26.cpp.

References MU::fd, FNAME_FMT_MBOX, getMbox(), IN_RANGE, MU::mailboxes, and PRINTF.

Referenced by initCardResource().

void mmapValidateDmaBuffer	(	struct MU *	mbx,
		int	nsamples
	)

Definition at line 455 of file llif26.cpp.

MFA mu_getInbound ( struct MU * mu )

int mu_putOutbound	(	struct MU *	mu,
		MFA	mfa
	)

Referenced by llSetDacs().

MFA mu_reserveOutbound ( struct MU * mu )

I2O Q ports: OUTBOUND: host reserves free MFA, puts MFA as command INBOUND: host gets message MFA, replaces MFA when done.

NB: direction with respect to HOST!

Referenced by llSetDacs().

int mu_returnInbound	(	struct MU *	mu,
		MFA	mfa
	)

int pollAck ( struct MU * m )

polls regular ack from acq32.

Definition at line 130 of file llprotocol.cpp.

References BP_CI_ACK_BIT, BP_MB_COMMAND, getMbox(), MASK, and PRINTF.

Referenced by enterLLC().

u32 pollMboxBits	(	struct MU *	m,
		int	ibox,
		u32	mask,
		u32	goal
	)

return when any of the bits become true.

Definition at line 247 of file llif26.cpp.

References getMbox(), and PRINTF.

Referenced by enterLLC(), and llPollSack().

int setMbox	(	struct MU *	m,
		int	ibox,
		u32	value
	)

set a mail mbox register: ibox [0-3].

return 0 on success

Definition at line 172 of file llif26.cpp.

References IN_RANGE, MU::mailboxes, MU::mailboxes_lastwrite, MU::mailboxes_shadow, and PRINTF.

Referenced by enterLLC(), enterLLC_SYNC_ECM(), llSetAddr(), llSetCmd(), and llSetTlatch().

int setMboxBits	(	struct MU *	m,
		int	ibox,
		u32	bits_to_set
	)

just set these bits.

Definition at line 195 of file llif26.cpp.

References IN_RANGE, MU::mailboxes, and MU::mailboxes_shadow.

int setMboxField	(	struct MU *	m,
		int	ibox,
		u32	field_mask,
		u32	field_value
	)

set the field in the register only.

Definition at line 211 of file llif26.cpp.

References IN_RANGE, MU::mailboxes, and MU::mailboxes_shadow.

void setMboxPollcount	(	struct MU *	m,
		int	poll_count
	)

Definition at line 265 of file llif26.cpp.

References MU::poll_count.

Referenced by llv2WaitDmaDone(), llv2WaitDmaDone_2v(), and llWaitDmaDone().

void setPathCleanup	(	struct MU *	m,
		unsigned	cmd
	)

set a deferred action to take place on path close/

Parameters:

m
cmd	command to send to MAILBOX_0, 0: no command

Definition at line 520 of file llif26.cpp.

References ACQ200_MBOX_IOWR, MU::fd, MailboxControl::mbc_flags, MBC_FLAGS_ONRELEASE, MBC_TO_MBXR, MBC_TO_MBXW, and MailboxControl::mbxw.

Referenced by enterLLC(), and leaveLLC().

void showLastWrites ( struct MU * m )

Definition at line 186 of file llif26.cpp.

References MU::mailboxes_lastwrite.

Referenced by quit_handler().

Variable Documentation

int verbose

Definition at line 60 of file llif26.cpp.

Defines

Typedefs

Functions

Variables

Detailed Description

Define Documentation

Typedef Documentation

Function Documentation

Variable Documentation