Commiting an example SCSI driver written to understand the new SCSI API. But the module isn't used even when installed and linked as a boot driver.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20951 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Lotz 2007-05-01 13:06:57 +00:00
parent cafc95e0af
commit 2f470aec1c
5 changed files with 232 additions and 0 deletions

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@ -23,6 +23,7 @@ SEARCH on [ FGristFiles
list.c khash.c
] = [ FDirName $(HAIKU_TOP) src system kernel util ] ;
SubInclude HAIKU_TOP src tests add-ons kernel busses ;
# SubInclude HAIKU_TOP src tests add-ons kernel disk_scanner ;
SubInclude HAIKU_TOP src tests add-ons kernel drivers ;
SubInclude HAIKU_TOP src tests add-ons kernel file_systems ;

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@ -0,0 +1,3 @@
SubDir HAIKU_TOP src tests add-ons kernel busses ;
SubInclude HAIKU_TOP src tests add-ons kernel busses scsi ;

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SubDir HAIKU_TOP src tests add-ons kernel busses scsi ;
SubInclude HAIKU_TOP src tests add-ons kernel busses scsi example ;

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SubDir HAIKU_TOP src tests add-ons kernel busses scsi example ;
KernelAddon example_scsi :
example_scsi.c
;

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/*
* Copyright 2007, Haiku Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Michael Lotz <mmlr@mlotz.ch>
*/
#include <module.h>
#include <device_manager.h>
#include <bus/SCSI.h>
#define MODULE_NAME "example_scsi"
static scsi_for_sim_interface *sSimInterface;
static device_manager_info *sDeviceManager;
// module functions
static status_t
example_std_ops(int32 op, ...)
{
dprintf(MODULE_NAME": std ops\n");
switch (op) {
case B_MODULE_INIT: {
dprintf(MODULE_NAME": B_MODULE_INIT\n");
return B_OK;
}
case B_MODULE_UNINIT: {
dprintf(MODULE_NAME": B_MODULE_UNINIT\n");
return B_OK;
}
}
return B_ERROR;
}
// driver functions
static float
example_supports_device(device_node_handle parent, bool *noConnection)
{
dprintf(MODULE_NAME": supports device\n");
return 0.0f;
}
static status_t
example_register_device(device_node_handle parent)
{
dprintf(MODULE_NAME": register device\n");
return B_OK;
}
static status_t
example_init_driver(device_node_handle node, void *userCookie, void **cookie)
{
dprintf(MODULE_NAME": init driver\n");
return B_OK;
}
static status_t
example_uninit_driver(void *cookie)
{
dprintf(MODULE_NAME": uninit driver\n");
return B_OK;
}
static void
example_device_removed(device_node_handle node, void *cookie)
{
dprintf(MODULE_NAME": device removed\n");
}
static void
example_device_cleanup(device_node_handle node)
{
dprintf(MODULE_NAME": device cleanup\n");
}
static void
example_get_supported_paths(const char ***busses, const char ***devices)
{
static const char *sBusses[] = { "pci", NULL };
static const char *sDevices[] = { "drivers/dev/example", NULL };
dprintf(MODULE_NAME": get supported paths\n");
*busses = sBusses;
*devices = sDevices;
}
// sim functions
static void
example_scsi_io(scsi_sim_cookie cookie, scsi_ccb *ccb)
{
dprintf(MODULE_NAME": scsi io\n");
}
static uchar
example_abort(scsi_sim_cookie cookie, scsi_ccb *ccbToAbort)
{
dprintf(MODULE_NAME": abort\n");
return 0;
}
static uchar
example_reset_device(scsi_sim_cookie cookie, uchar targetID, uchar targetLUN)
{
dprintf(MODULE_NAME": reset device\n");
return 0;
}
static uchar
example_term_io(scsi_sim_cookie cookie, scsi_ccb *ccbToTerminate)
{
dprintf(MODULE_NAME": terminate io\n");
return 0;
}
static uchar
example_path_inquiry(scsi_sim_cookie cookie, scsi_path_inquiry *inquiryData)
{
dprintf(MODULE_NAME": path inquiry\n");
return 0;
}
static uchar
example_scan_bus(scsi_sim_cookie cookie)
{
dprintf(MODULE_NAME": scan bus\n");
return 0;
}
static uchar
example_reset_bus(scsi_sim_cookie cookie)
{
dprintf(MODULE_NAME": reset bus\n");
return 0;
}
static void
example_get_restrictions(scsi_sim_cookie cookie, uchar targetID, bool *isATAPI,
bool *noAutosense, uint32 *maxBlocks)
{
dprintf(MODULE_NAME": get restrictions\n");
}
static status_t
example_ioctl(scsi_sim_cookie cookie, uint8 targetID, uint32 op, void *buffer,
size_t bufferLength)
{
dprintf(MODULE_NAME": io control\n");
return B_ERROR;
}
// module management
module_dependency module_dependencies[] = {
{ SCSI_FOR_SIM_MODULE_NAME, (module_info **)&sSimInterface },
{ B_DEVICE_MANAGER_MODULE_NAME, (module_info **)&sDeviceManager },
{}
};
scsi_sim_interface example_sim = {
{ // driver_module_info
{ // module_info
"busses/scsi/example/v1", // module name
0, // module flags
example_std_ops // module standard ops
},
example_supports_device, // supports device
example_register_device, // register device
example_init_driver, // init driver
example_uninit_driver, // uninit driver
example_device_removed, // device removed
example_device_cleanup, // device cleanup
example_get_supported_paths // get supported paths
},
example_scsi_io, // scsi io
example_abort, // abort
example_reset_device, // reset device
example_term_io, // terminate io
example_path_inquiry, // path inquiry
example_scan_bus, // scan bus
example_reset_bus, // reset bus
example_get_restrictions, // get restrictions
example_ioctl // io control
};
module_info *modules[] = {
(module_info *)&example_sim,
NULL
};