- 根目录:
- drivers
- s390
- crypto
- ap_bus.h
#ifndef _AP_BUS_H_
#define _AP_BUS_H_
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/types.h>
#define AP_DEVICES 64
#define AP_DOMAINS 256
#define AP_MAX_RESET 90
#define AP_RESET_TIMEOUT (HZ*0.7)
#define AP_CONFIG_TIME 30
#define AP_POLL_TIME 1
extern int ap_domain_index;
typedef unsigned int ap_qid_t;
#define AP_MKQID(_device, _queue) (((_device) & 63) << 8 | ((_queue) & 255))
#define AP_QID_DEVICE(_qid) (((_qid) >> 8) & 63)
#define AP_QID_QUEUE(_qid) ((_qid) & 255)
struct ap_queue_status {
unsigned int queue_empty : 1;
unsigned int replies_waiting : 1;
unsigned int queue_full : 1;
unsigned int pad1 : 4;
unsigned int int_enabled : 1;
unsigned int response_code : 8;
unsigned int pad2 : 16;
} __packed;
#define AP_QUEUE_STATUS_INVALID \
{ 1, 1, 1, 0xF, 1, 0xFF, 0xFFFF }
static inline
int ap_queue_status_invalid_test(struct ap_queue_status *status)
{
struct ap_queue_status invalid = AP_QUEUE_STATUS_INVALID;
return !(memcmp(status, &invalid, sizeof(struct ap_queue_status)));
}
#define AP_MAX_BITS 31
static inline int ap_test_bit(unsigned int *ptr, unsigned int nr)
{
if (nr > AP_MAX_BITS)
return 0;
return (*ptr & (0x80000000u >> nr)) != 0;
}
#define AP_RESPONSE_NORMAL 0x00
#define AP_RESPONSE_Q_NOT_AVAIL 0x01
#define AP_RESPONSE_RESET_IN_PROGRESS 0x02
#define AP_RESPONSE_DECONFIGURED 0x03
#define AP_RESPONSE_CHECKSTOPPED 0x04
#define AP_RESPONSE_BUSY 0x05
#define AP_RESPONSE_INVALID_ADDRESS 0x06
#define AP_RESPONSE_OTHERWISE_CHANGED 0x07
#define AP_RESPONSE_Q_FULL 0x10
#define AP_RESPONSE_NO_PENDING_REPLY 0x10
#define AP_RESPONSE_INDEX_TOO_BIG 0x11
#define AP_RESPONSE_NO_FIRST_PART 0x13
#define AP_RESPONSE_MESSAGE_TOO_BIG 0x15
#define AP_RESPONSE_REQ_FAC_NOT_INST 0x16
#define AP_DEVICE_TYPE_PCICC 3
#define AP_DEVICE_TYPE_PCICA 4
#define AP_DEVICE_TYPE_PCIXCC 5
#define AP_DEVICE_TYPE_CEX2A 6
#define AP_DEVICE_TYPE_CEX2C 7
#define AP_DEVICE_TYPE_CEX3A 8
#define AP_DEVICE_TYPE_CEX3C 9
#define AP_DEVICE_TYPE_CEX4 10
#define AP_FUNC_MEX4K 1
#define AP_FUNC_CRT4K 2
#define AP_FUNC_COPRO 3
#define AP_FUNC_ACCEL 4
#define AP_FUNC_EP11 5
#define AP_FUNC_APXA 6
#define AP_RESET_IGNORE 0
#define AP_RESET_ARMED 1
#define AP_RESET_DO 2
struct ap_device;
struct ap_message;
struct ap_driver {
struct device_driver driver;
struct ap_device_id *ids;
int (*probe)(struct ap_device *);
void (*remove)(struct ap_device *);
int request_timeout;
};
#define to_ap_drv(x) container_of((x), struct ap_driver, driver)
int ap_driver_register(struct ap_driver *, struct module *, char *);
void ap_driver_unregister(struct ap_driver *);
struct ap_device {
struct device device;
struct ap_driver *drv;
spinlock_t lock;
struct list_head list;
ap_qid_t qid;
int queue_depth;
int device_type;
int raw_hwtype;
unsigned int functions;
int unregistered;
struct timer_list timeout;
int reset;
int queue_count;
struct list_head pendingq;
int pendingq_count;
struct list_head requestq;
int requestq_count;
int total_request_count;
struct ap_message *reply;
void *private;
};
#define to_ap_dev(x) container_of((x), struct ap_device, device)
struct ap_message {
struct list_head list;
unsigned long long psmid;
void *message;
size_t length;
void *private;
unsigned int special:1;
void (*receive)(struct ap_device *, struct ap_message *,
struct ap_message *);
};
struct ap_config_info {
unsigned int special_command:1;
unsigned int ap_extended:1;
unsigned char reserved1:6;
unsigned char reserved2[15];
unsigned int apm[8];
unsigned int aqm[8];
unsigned int adm[8];
unsigned char reserved4[16];
} __packed;
#define AP_DEVICE(dt) \
.dev_type=(dt), \
.match_flags=AP_DEVICE_ID_MATCH_DEVICE_TYPE,
static inline void ap_init_message(struct ap_message *ap_msg)
{
ap_msg->psmid = 0;
ap_msg->length = 0;
ap_msg->special = 0;
ap_msg->receive = NULL;
}
int ap_send(ap_qid_t, unsigned long long, void *, size_t);
int ap_recv(ap_qid_t, unsigned long long *, void *, size_t);
void ap_queue_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
void ap_cancel_message(struct ap_device *ap_dev, struct ap_message *ap_msg);
void ap_flush_queue(struct ap_device *ap_dev);
void ap_bus_force_rescan(void);
int ap_module_init(void);
void ap_module_exit(void);
#endif
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