drivers/s390/net/qeth_core.h

Source file repositories/reference/linux-study-clean/drivers/s390/net/qeth_core.h

File Facts

System
Linux kernel
Corpus path
drivers/s390/net/qeth_core.h
Extension
.h
Size
28490 bytes
Lines
1109
Domain
Driver Families
Bucket
drivers/s390
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

struct qeth_dbf_info {
	char name[DEBUG_MAX_NAME_LEN];
	int pages;
	int areas;
	int len;
	int level;
	struct debug_view *view;
	debug_info_t *id;
};

#define QETH_DBF_CTRL_LEN 256U

#define QETH_DBF_TEXT(name, level, text) \
	debug_text_event(qeth_dbf[QETH_DBF_##name].id, level, text)

#define QETH_DBF_HEX(name, level, addr, len) \
	debug_event(qeth_dbf[QETH_DBF_##name].id, level, (void *)(addr), len)

#define QETH_DBF_MESSAGE(level, text...) \
	debug_sprintf_event(qeth_dbf[QETH_DBF_MSG].id, level, text)

#define QETH_DBF_TEXT_(name, level, text...) \
	qeth_dbf_longtext(qeth_dbf[QETH_DBF_##name].id, level, text)

#define QETH_CARD_TEXT(card, level, text) \
	debug_text_event(card->debug, level, text)

#define QETH_CARD_HEX(card, level, addr, len) \
	debug_event(card->debug, level, (void *)(addr), len)

#define QETH_CARD_MESSAGE(card, text...) \
	debug_sprintf_event(card->debug, level, text)

#define QETH_CARD_TEXT_(card, level, text...) \
	qeth_dbf_longtext(card->debug, level, text)

#define SENSE_COMMAND_REJECT_BYTE 0
#define SENSE_COMMAND_REJECT_FLAG 0x80
#define SENSE_RESETTING_EVENT_BYTE 1
#define SENSE_RESETTING_EVENT_FLAG 0x80

static inline u32 qeth_get_device_id(struct ccw_device *cdev)
{
	struct ccw_dev_id dev_id;
	u32 id;

	ccw_device_get_id(cdev, &dev_id);
	id = dev_id.devno;
	id |= (u32) (dev_id.ssid << 16);

	return id;
}

/*
 * Common IO related definitions
 */
#define CARD_RDEV(card) card->read.ccwdev
#define CARD_WDEV(card) card->write.ccwdev
#define CARD_DDEV(card) card->data.ccwdev
#define CARD_BUS_ID(card) dev_name(&card->gdev->dev)
#define CARD_RDEV_ID(card) dev_name(&card->read.ccwdev->dev)
#define CARD_WDEV_ID(card) dev_name(&card->write.ccwdev->dev)
#define CARD_DDEV_ID(card) dev_name(&card->data.ccwdev->dev)
#define CCW_DEVID(cdev)		(qeth_get_device_id(cdev))
#define CARD_DEVID(card)	(CCW_DEVID(CARD_RDEV(card)))

/* Routing stuff */
struct qeth_routing_info {
	enum qeth_routing_types type;
};

/* SETBRIDGEPORT stuff */
enum qeth_sbp_roles {
	QETH_SBP_ROLE_NONE	= 0,
	QETH_SBP_ROLE_PRIMARY	= 1,
	QETH_SBP_ROLE_SECONDARY	= 2,
};

enum qeth_sbp_states {
	QETH_SBP_STATE_INACTIVE	= 0,
	QETH_SBP_STATE_STANDBY	= 1,
	QETH_SBP_STATE_ACTIVE	= 2,
};

#define QETH_SBP_HOST_NOTIFICATION 1

struct qeth_sbp_info {
	__u32 supported_funcs;
	enum qeth_sbp_roles role;
	__u32 hostnotification:1;

Annotation

Implementation Notes