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First roll of renames: pnp_node_hamdle is now device_node_handle, pnp_node_attr

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is now device_attr, pnp_bus_info bus_module_info, pnp_driver_info driver_module_info, ...
Small cleanup (more would be needed, but this has time).


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@10670 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2005-01-11 23:19:41 +00:00
parent b1e0087b8c
commit b83a8af4e0
9 changed files with 177 additions and 240 deletions
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headers/os/drivers/bus/SCSI.h
+35 -37
View File
@@ -1,7 +1,9 @@
/*
** Copyright 2002/03, Thomas Kurschel. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
* Copyright 2002/03, Thomas Kurschel. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef __SCSI_BUSMANAGER_H__
#define __SCSI_BUSMANAGER_H__
/*
Part of Open SCSI bus manager
@@ -90,10 +92,6 @@
may be enhanced/generalized in the future.
*/
// warning: Be defined a scsi.h (lower case) header file already,
// so we cannot use that for the ifdef
#ifndef __SCSI_BUSMANAGER_H__
#define __SCSI_BUSMANAGER_H__
#include <KernelExport.h>
#include <device_manager.h>
@@ -295,29 +293,29 @@ typedef struct
// bus manager device interface for peripheral driver
typedef struct scsi_device_interface {
pnp_driver_info dinfo;
driver_module_info info;
// get CCB
// warning: if pool of CCBs is exhausted, this call is delayed until a
// CCB is freed, so don't try to allocate more then one CCB at once!
scsi_ccb *(*alloc_ccb)( scsi_device device );
scsi_ccb *(*alloc_ccb)(scsi_device device);
// free CCB
void (*free_ccb)( scsi_ccb *ccb );
void (*free_ccb)(scsi_ccb *ccb);
// execute command asynchronously
// when it's finished, the semaphore of the ccb is released
// you must provide a S/G list if data_len != 0
void (*async_io)( scsi_ccb *ccb );
void (*async_io)(scsi_ccb *ccb);
// execute command synchronously
// you don't need to provide a S/G list nor have to lock data
void (*sync_io)( scsi_ccb *ccb );
void (*sync_io)(scsi_ccb *ccb);
// abort request
uchar (*abort)( scsi_ccb *ccb_to_abort );
uchar (*abort)(scsi_ccb *ccb_to_abort);
// reset device
uchar (*reset_device)( scsi_device device );
uchar (*reset_device)(scsi_device device);
// terminate request
uchar (*term_io)( scsi_ccb *ccb_to_terminate );
uchar (*term_io)(scsi_ccb *ccb_to_terminate);
} scsi_device_interface;
#define SCSI_DEVICE_MODULE_NAME "bus_managers/scsi/driver/v1"
@@ -336,12 +334,12 @@ typedef struct scsi_device_interface {
// This interface can be used by peripheral drivers to access the
// bus directly.
typedef struct scsi_bus_interface {
pnp_bus_info binfo;
bus_module_info info;
// get information about host controller
uchar (*path_inquiry)( scsi_bus bus, scsi_path_inquiry *inquiry_data );
uchar (*path_inquiry)(scsi_bus bus, scsi_path_inquiry *inquiry_data);
// reset SCSI bus
uchar (*reset_bus)( scsi_bus bus );
uchar (*reset_bus)(scsi_bus bus);
} scsi_bus_interface;
// name of SCSI bus node driver
@@ -357,8 +355,8 @@ typedef struct scsi_dpc_info *scsi_dpc_cookie;
// SCSI controller drivers get this interface passed via their init_device
// method. Further, they must specify this driver as their fixed consumer.
typedef struct scsi_for_sim_interface {
pnp_driver_info dinfo;
driver_module_info info;
// put request into wait queue because of overflow
// bus_overflow: true - too many bus requests
// false - too many device requests
@@ -366,41 +364,41 @@ typedef struct scsi_for_sim_interface {
// is called or a request is finished via finished();
// to avoid race conditions (reporting a full and a available bus at once)
// the SIM should synchronize calls to requeue, resubmit and finished
void (*requeue)( scsi_ccb *ccb, bool bus_overflow );
void (*requeue)(scsi_ccb *ccb, bool bus_overflow);
// resubmit request ASAP
// to be used if execution of request went wrong and must be retried
void (*resubmit)( scsi_ccb *ccb );
void (*resubmit)(scsi_ccb *ccb);
// mark request as being finished
// num_requests: number of requests that were handled by device
// when the request was sent (read: how full was the device
// queue); needed to find out how large the device queue is;
// e.g. if three were already running plus this request makes
// num_requests=4
void (*finished)( scsi_ccb *ccb, uint num_requests );
void (*finished)(scsi_ccb *ccb, uint num_requests);
// following functions return error on invalid arguments only
status_t (*alloc_dpc)( scsi_dpc_cookie *dpc );
status_t (*free_dpc)( scsi_dpc_cookie dpc );
status_t (*schedule_dpc)( scsi_bus cookie, scsi_dpc_cookie dpc, /*int flags,*/
void (*func)( void * ), void *arg );
status_t (*alloc_dpc)(scsi_dpc_cookie *dpc);
status_t (*free_dpc)(scsi_dpc_cookie dpc);
status_t (*schedule_dpc)(scsi_bus cookie, scsi_dpc_cookie dpc, /*int flags,*/
void (*func)( void * ), void *arg);
// block entire bus (can be nested)
// no more request will be submitted to this bus
void (*block_bus)( scsi_bus bus );
void (*block_bus)(scsi_bus bus);
// unblock entire bus
// requests will be submitted to bus ASAP
void (*unblock_bus)( scsi_bus bus );
void (*unblock_bus)(scsi_bus bus);
// block one device
// no more requests will be submitted to this device
void (*block_device)( scsi_device device );
void (*block_device)(scsi_device device);
// unblock device
// requests for this device will be submitted ASAP
void (*unblock_device)( scsi_device device );
void (*unblock_device)(scsi_device device);
// terminate bus overflow condition (see "requeue")
void (*cont_send_bus)( scsi_bus bus );
void (*cont_send_bus)(scsi_bus bus);
// terminate device overflow condition (see "requeue")
void (*cont_send_device)( scsi_device device );
void (*cont_send_device)(scsi_device device);
} scsi_for_sim_interface;
@@ -421,7 +419,7 @@ typedef struct scsi_sim_cookie *scsi_sim_cookie;
// SIM interface
// SCSI controller drivers must provide this interface
typedef struct scsi_sim_interface {
pnp_driver_info dinfo;
driver_module_info info;
// execute request
void (*scsi_io)( scsi_sim_cookie cookie, scsi_ccb *ccb );
@@ -456,4 +454,4 @@ typedef struct scsi_sim_interface {
} scsi_sim_interface;
#endif
#endif /* __SCSI_BUSMANAGER_H__ */