drivers/scsi/aic94xx/aic94xx.h

Source file repositories/reference/linux-study-clean/drivers/scsi/aic94xx/aic94xx.h

File Facts

System
Linux kernel
Corpus path
drivers/scsi/aic94xx/aic94xx.h
Extension
.h
Size
2116 bytes
Lines
76
Domain
Driver Families
Bucket
drivers/scsi
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _AIC94XX_H_
#define _AIC94XX_H_

#include <linux/slab.h>
#include <linux/ctype.h>
#include <scsi/libsas.h>

#define ASD_DRIVER_NAME		"aic94xx"
#define ASD_DRIVER_DESCRIPTION	"Adaptec aic94xx SAS/SATA driver"

#define asd_printk(fmt, ...)	printk(KERN_NOTICE ASD_DRIVER_NAME ": " fmt, ## __VA_ARGS__)

#ifdef ASD_ENTER_EXIT
#define ENTER  printk(KERN_NOTICE "%s: ENTER %s\n", ASD_DRIVER_NAME, \
		__func__)
#define EXIT   printk(KERN_NOTICE "%s: --EXIT %s\n", ASD_DRIVER_NAME, \
		__func__)
#else
#define ENTER
#define EXIT
#endif

#ifdef ASD_DEBUG
#define ASD_DPRINTK asd_printk
#else
#define ASD_DPRINTK(fmt, ...) no_printk(fmt, ##__VA_ARGS__)
#endif

/* 2*ITNL timeout + 1 second */
#define AIC94XX_SCB_TIMEOUT  (5*HZ)

extern struct kmem_cache *asd_dma_token_cache;
extern struct kmem_cache *asd_ascb_cache;

struct asd_ha_struct;
struct asd_ascb;

int  asd_read_ocm(struct asd_ha_struct *asd_ha);
int  asd_read_flash(struct asd_ha_struct *asd_ha);

int  asd_dev_found(struct domain_device *dev);
void asd_dev_gone(struct domain_device *dev);

void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id);

int  asd_execute_task(struct sas_task *task, gfp_t gfp_flags);

void asd_set_dmamode(struct domain_device *dev);

/* ---------- TMFs ---------- */
int  asd_abort_task(struct sas_task *);
int  asd_abort_task_set(struct domain_device *, u8 *lun);
int  asd_clear_task_set(struct domain_device *, u8 *lun);
int  asd_lu_reset(struct domain_device *, u8 *lun);
int  asd_I_T_nexus_reset(struct domain_device *dev);
int  asd_query_task(struct sas_task *);

/* ---------- Adapter and Port management ---------- */
int  asd_clear_nexus_port(struct asd_sas_port *port);
int  asd_clear_nexus_ha(struct sas_ha_struct *sas_ha);

/* ---------- Phy Management ---------- */
int  asd_control_phy(struct asd_sas_phy *phy, enum phy_func func, void *arg);

#endif

Annotation

Implementation Notes