qib_sdma.c File Reference

#include <linux/spinlock.h>
#include <linux/netdevice.h>
#include <linux/moduleparam.h>
#include "qib.h"
#include "qib_common.h"

Go to the source code of this file.

Macros
#define	SDMA_DESC_LAST   (1ULL << 11)
#define	SDMA_DESC_FIRST   (1ULL << 12)
#define	SDMA_DESC_DMA_HEAD   (1ULL << 13)
#define	SDMA_DESC_USE_LARGE_BUF   (1ULL << 14)
#define	SDMA_DESC_INTR   (1ULL << 15)
#define	SDMA_DESC_COUNT_LSB   16
#define	SDMA_DESC_GEN_LSB   30

Functions
	module_param_named (sdma_descq_cnt, sdma_descq_cnt, ushort, S_IRUGO)
	MODULE_PARM_DESC (sdma_descq_cnt,"Number of SDMA descq entries")
int	qib_sdma_make_progress (struct qib_pportdata *ppd)
void	qib_sdma_intr (struct qib_pportdata *ppd)
void	__qib_sdma_intr (struct qib_pportdata *ppd)
int	qib_setup_sdma (struct qib_pportdata *ppd)
void	qib_teardown_sdma (struct qib_pportdata *ppd)
int	qib_sdma_running (struct qib_pportdata *ppd)
int	qib_sdma_verbs_send (struct qib_pportdata *ppd, struct qib_sge_state *ss, u32 dwords, struct qib_verbs_txreq *tx)
void	qib_sdma_process_event (struct qib_pportdata *ppd, enum qib_sdma_events event)
void	__qib_sdma_process_event (struct qib_pportdata *ppd, enum qib_sdma_events event)

Variables
char *	qib_sdma_state_names []
char *	qib_sdma_event_names []

Macro Definition Documentation

#define SDMA_DESC_COUNT_LSB   16

Definition at line 54 of file qib_sdma.c.

#define SDMA_DESC_DMA_HEAD   (1ULL << 13)

Definition at line 51 of file qib_sdma.c.

#define SDMA_DESC_FIRST   (1ULL << 12)

Definition at line 50 of file qib_sdma.c.

#define SDMA_DESC_GEN_LSB   30

Definition at line 55 of file qib_sdma.c.

#define SDMA_DESC_INTR   (1ULL << 15)

Definition at line 53 of file qib_sdma.c.

#define SDMA_DESC_LAST   (1ULL << 11)

Definition at line 49 of file qib_sdma.c.

#define SDMA_DESC_USE_LARGE_BUF   (1ULL << 14)

Definition at line 52 of file qib_sdma.c.

Function Documentation

void __qib_sdma_intr

(

struct qib_pportdata *

ppd

)

Definition at line 424 of file qib_sdma.c.

void __qib_sdma_process_event	(	struct qib_pportdata *	ppd,
		enum qib_sdma_events	event
	)

Definition at line 726 of file qib_sdma.c.

module_param_named	(	sdma_descq_cnt	,
		sdma_descq_cnt	,
		ushort	,
		S_IRUGO
	)

MODULE_PARM_DESC	(	sdma_descq_cnt	,
		"Number of SDMA descq entries"
	)

void qib_sdma_intr

(

struct qib_pportdata *

ppd

)

Definition at line 413 of file qib_sdma.c.

int qib_sdma_make_progress

(

struct qib_pportdata *

ppd

)

Definition at line 348 of file qib_sdma.c.

void qib_sdma_process_event	(	struct qib_pportdata *	ppd,
		enum qib_sdma_events	event
	)

Definition at line 711 of file qib_sdma.c.

int qib_sdma_running

(

struct qib_pportdata *

ppd

)

Definition at line 488 of file qib_sdma.c.

int qib_sdma_verbs_send	(	struct qib_pportdata *	ppd,
		struct qib_sge_state *	ss,
		u32	dwords,
		struct qib_verbs_txreq *	tx
	)

Definition at line 527 of file qib_sdma.c.

int qib_setup_sdma

(

struct qib_pportdata *

ppd

)

Definition at line 430 of file qib_sdma.c.

void qib_teardown_sdma

(

struct qib_pportdata *

ppd

)

Definition at line 474 of file qib_sdma.c.

Variable Documentation

char* qib_sdma_event_names[]

Initial value:

= {
    [qib_sdma_event_e00_go_hw_down]   = "e00_GoHwDown",
    [qib_sdma_event_e10_go_hw_start]  = "e10_GoHwStart",
    [qib_sdma_event_e20_hw_started]   = "e20_HwStarted",
    [qib_sdma_event_e30_go_running]   = "e30_GoRunning",
    [qib_sdma_event_e40_sw_cleaned]   = "e40_SwCleaned",
    [qib_sdma_event_e50_hw_cleaned]   = "e50_HwCleaned",
    [qib_sdma_event_e60_hw_halted]    = "e60_HwHalted",
    [qib_sdma_event_e70_go_idle]      = "e70_GoIdle",
    [qib_sdma_event_e7220_err_halted] = "e7220_ErrHalted",
    [qib_sdma_event_e7322_err_halted] = "e7322_ErrHalted",
    [qib_sdma_event_e90_timer_tick]   = "e90_TimerTick",
}

Definition at line 67 of file qib_sdma.c.

char* qib_sdma_state_names[]

Initial value:

= {
    [qib_sdma_state_s00_hw_down]          = "s00_HwDown",
    [qib_sdma_state_s10_hw_start_up_wait] = "s10_HwStartUpWait",
    [qib_sdma_state_s20_idle]             = "s20_Idle",
    [qib_sdma_state_s30_sw_clean_up_wait] = "s30_SwCleanUpWait",
    [qib_sdma_state_s40_hw_clean_up_wait] = "s40_HwCleanUpWait",
    [qib_sdma_state_s50_hw_halt_wait]     = "s50_HwHaltWait",
    [qib_sdma_state_s99_running]          = "s99_Running",
}

Definition at line 57 of file qib_sdma.c.