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* Fixed driver initialization - you are supposed to call init_driver()

Browse Source 
and uninit_driver() yourself. We're also using this to let the controller
  access the pci_device object.
* Fixed some style violations for your pleasure ;-)


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@22082 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler 2007-08-27 09:36:35 +00:00
parent ff308b0b49
commit 4f6fa362cf
5 changed files with 88 additions and 66 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

69
src/add-ons/kernel/busses/scsi/ahci/ahci.c
View File

@ -17,17 +17,13 @@
#define AHCI_ID_GENERATOR "ahci/id"
#define AHCI_ID_ITEM "ahci/id"
static device_manager_info *sDeviceManager;
// HACK! this device manager stuff just sucks!
extern pci_device pd;
device_manager_info *gDeviceManager;
static status_t
register_sim(device_node_handle parent)
{
int32 id = sDeviceManager->create_id(AHCI_ID_GENERATOR);
int32 id = gDeviceManager->create_id(AHCI_ID_GENERATOR);
if (id < 0)
return id;
@ -50,10 +46,10 @@ register_sim(device_node_handle parent)
};
device_node_handle node;
status_t status = sDeviceManager->register_device(parent, attrs, NULL,
status_t status = gDeviceManager->register_device(parent, attrs, NULL,
&node);
if (status < B_OK)
sDeviceManager->free_id(AHCI_ID_GENERATOR, id);
gDeviceManager->free_id(AHCI_ID_GENERATOR, id);
return status;
}
@ -73,17 +69,17 @@ ahci_supports_device(device_node_handle parent, bool *_noConnection)
TRACE("ahci_supports_device\n");
if (sDeviceManager->get_attr_string(parent, B_DRIVER_BUS, &bus,
if (gDeviceManager->get_attr_string(parent, B_DRIVER_BUS, &bus,
false) != B_OK
|| sDeviceManager->get_attr_uint8(parent,
|| gDeviceManager->get_attr_uint8(parent,
PCI_DEVICE_BASE_CLASS_ID_ITEM, &baseClass, false) != B_OK
|| sDeviceManager->get_attr_uint8(parent,
|| gDeviceManager->get_attr_uint8(parent,
PCI_DEVICE_SUB_CLASS_ID_ITEM, &subClass, false) != B_OK
|| sDeviceManager->get_attr_uint8(parent,
|| gDeviceManager->get_attr_uint8(parent,
PCI_DEVICE_API_ID_ITEM, &classAPI, false) != B_OK
|| sDeviceManager->get_attr_uint16(parent,
|| gDeviceManager->get_attr_uint16(parent,
PCI_DEVICE_VENDOR_ID_ITEM, &vendorID, false) != B_OK
|| sDeviceManager->get_attr_uint16(parent,
|| gDeviceManager->get_attr_uint16(parent,
PCI_DEVICE_DEVICE_ID_ITEM, &deviceID, false) != B_OK)
return B_ERROR;
@ -113,7 +109,6 @@ static status_t
ahci_register_device(device_node_handle parent)
{
device_node_handle node;
pci_device *pciDevice;
status_t status;
device_attr attrs[] = {
@ -141,31 +136,38 @@ ahci_register_device(device_node_handle parent)
TRACE("ahci_register_device\n");
// initialize parent (the bus) to get the PCI interface and device
status = sDeviceManager->init_driver(parent, NULL,
(driver_module_info **)&gPCI, (void **)&pciDevice);
if (status != B_OK)
return status;
status = sDeviceManager->register_device(parent, attrs,
status = gDeviceManager->register_device(parent, attrs,
NULL, &node);
if (status < B_OK)
return status;
// HACK! this device manager stuff just sucks!
pd = *pciDevice;
// TODO: register SIM for every controller we find!
return register_sim(node);
}
static status_t
ahci_init_driver(device_node_handle node, void *user_cookie, void **_cookie)
ahci_init_driver(device_node_handle node, void *userCookie, void **_cookie)
{
TRACE("ahci_init_driver, user_cookie %p\n", user_cookie);
*_cookie = (void *)0x5678;
TRACE("cookie = %p\n", *_cookie);
pci_device *_userCookie = userCookie;
pci_device pciDevice;
device_node_handle parent;
status_t status;
TRACE("ahci_init_driver, userCookie %p\n", userCookie);
parent = gDeviceManager->get_parent(node);
// initialize parent (the bus) to get the PCI interface and device
status = gDeviceManager->init_driver(parent, NULL,
(driver_module_info **)&gPCI, (void **)&pciDevice);
if (status != B_OK)
return status;
gDeviceManager->put_device_node(parent);
*_userCookie = pciDevice;
*_cookie = node;
return B_OK;
}
@ -173,7 +175,14 @@ ahci_init_driver(device_node_handle node, void *user_cookie, void **_cookie)
static status_t
ahci_uninit_driver(void *cookie)
{
device_node_handle node = cookie;
device_node_handle parent;
TRACE("ahci_uninit_driver, cookie %p\n", cookie);
parent = gDeviceManager->get_parent(node);
gDeviceManager->uninit_driver(parent);
gDeviceManager->put_device_node(parent);
return B_OK;
}
@ -235,7 +244,7 @@ driver_module_info sAHCIDevice = {
};
module_dependency module_dependencies[] = {
{ B_DEVICE_MANAGER_MODULE_NAME, (module_info **)&sDeviceManager },
{ B_DEVICE_MANAGER_MODULE_NAME, (module_info **)&gDeviceManager },
{ SCSI_FOR_SIM_MODULE_NAME, (module_info **)&gSCSI },
{}
};

40
src/add-ons/kernel/busses/scsi/ahci/ahci_controller.cpp
View File

@ -2,6 +2,7 @@
* Copyright 2007, Marcus Overhagen. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#include "ahci_controller.h"
#include <KernelExport.h>
@ -9,34 +10,29 @@
#define TRACE(a...) dprintf("\33[34mahci:\33[0m " a)
#define FLOW(a...) dprintf("ahci: " a)
// HACK! this device manager stuff just sucks!
pci_device pd;
AHCIController::AHCIController(device_node_handle node, pci_device_module_info *pci, scsi_for_sim_interface *scsi)
: fNode(node)
, fPCI(pci)
, fSCSI(scsi)
, fPCIDevice(0)
, fDevicePresentMask(0)
AHCIController::AHCIController(device_node_handle node, pci_device_info *device)
: fNode(node)
, fPCIDevice(device)
, fDevicePresentMask(0)
{
// HACK! this device manager stuff just sucks!
fPCIDevice = pd;
fDevicePresentMask = (1 << 7) | (1 << 19);
uint16 vendorID = fPCI->read_pci_config(fPCIDevice, PCI_vendor_id, 2);
uint16 deviceID = fPCI->read_pci_config(fPCIDevice, PCI_device_id, 2);
uint16 vendorID = gPCI->read_pci_config(fPCIDevice, PCI_vendor_id, 2);
uint16 deviceID = gPCI->read_pci_config(fPCIDevice, PCI_device_id, 2);
TRACE("AHCIController::AHCIController vendor %04x, device %04x\n", vendorID, deviceID);
TRACE("AHCIController::AHCIController vendor %04x, device %04x\n",
vendorID, deviceID);
uchar cap_ofs;
status_t res = fPCI->find_pci_capability(fPCIDevice, PCI_cap_id_sata, &cap_ofs);
uchar capabilityOffset;
status_t res = gPCI->find_pci_capability(fPCIDevice, PCI_cap_id_sata,
&capabilityOffset);
if (res == B_OK) {
uint32 satacr0;
uint32 satacr1;
TRACE("PCI SATA capability found at offset 0x%x\n", cap_ofs);
satacr0 = fPCI->read_pci_config(fPCIDevice, cap_ofs, 4);
satacr1 = fPCI->read_pci_config(fPCIDevice, cap_ofs + 4, 4);
TRACE("PCI SATA capability found at offset 0x%x\n", capabilityOffset);
satacr0 = gPCI->read_pci_config(fPCIDevice, capabilityOffset, 4);
satacr1 = gPCI->read_pci_config(fPCIDevice, capabilityOffset + 4, 4);
TRACE("satacr0 = 0x%08lx, satacr1 = 0x%08lx\n", satacr0, satacr1);
}
}
@ -52,18 +48,18 @@ AHCIController::ExecuteRequest(scsi_ccb *request)
{
if (request->target_lun || !IsDevicePresent(request->target_id)) {
request->subsys_status = SCSI_DEV_NOT_THERE;
fSCSI->finished(request, 1);
gSCSI->finished(request, 1);
return;
}
TRACE("AHCIController::ExecuteRequest opcode %u, length %u\n", request->cdb[0], request->cdb_length);
request->subsys_status = SCSI_DEV_NOT_THERE;
fSCSI->finished(request, 1);
gSCSI->finished(request, 1);
return;
request->subsys_status = SCSI_REQ_CMP;
fSCSI->finished(request, 1);
gSCSI->finished(request, 1);
}

16
src/add-ons/kernel/busses/scsi/ahci/ahci_controller.h
View File

@ -8,28 +8,26 @@
#include "ahci_defs.h"
class AHCIController
{
class AHCIController {
public:
AHCIController(device_node_handle node, pci_device_module_info *pci, scsi_for_sim_interface * scsi);
AHCIController(device_node_handle node,
pci_device_info *pciDevice);
~AHCIController();
void ExecuteRequest(scsi_ccb *request);
uchar AbortRequest(scsi_ccb *request);
uchar TerminateRequest(scsi_ccb *request);
uchar ResetDevice(uchar targetID, uchar targetLUN);
device_node_handle DeviceNode() { return fNode; }
private:
bool IsDevicePresent(uint device);
private:
device_node_handle fNode;
pci_device_module_info * fPCI;
scsi_for_sim_interface * fSCSI;
pci_device fPCIDevice;
pci_device_info* fPCIDevice;
uint32 fDevicePresentMask;
};
@ -41,4 +39,4 @@ AHCIController::IsDevicePresent(uint device)
}
#endif
#endif // _AHCI_CONTROLLER_H

1
src/add-ons/kernel/busses/scsi/ahci/ahci_defs.h
View File

@ -51,6 +51,7 @@ typedef struct {
} ahci_hba;
extern scsi_sim_interface gAHCISimInterface;
extern device_manager_info *gDeviceManager;
extern pci_device_module_info *gPCI;
extern scsi_for_sim_interface *gSCSI;

28
src/add-ons/kernel/busses/scsi/ahci/ahci_sim.cpp
View File

@ -122,11 +122,22 @@ ahci_ioctl(scsi_sim_cookie cookie, uint8 targetID, uint32 op, void *buffer,
static status_t
ahci_sim_init_bus(device_node_handle node, void *user_cookie, void **_cookie)
ahci_sim_init_bus(device_node_handle node, void *userCookie, void **_cookie)
{
TRACE("ahci_sim_init_bus, user_cookie %p\n", user_cookie);
// *_cookie = (void *)0x1234;
*_cookie = new(std::nothrow) AHCIController(node, gPCI, gSCSI);
TRACE("ahci_sim_init_bus, userCookie %p\n", userCookie);
device_node_handle parent = gDeviceManager->get_parent(node);
// initialize parent (the bus) to get the PCI interface and device
pci_device_info *pciDevice;
status_t status = gDeviceManager->init_driver(parent, &pciDevice,
NULL, NULL);
if (status != B_OK)
return status;
gDeviceManager->put_device_node(parent);
*_cookie = new(std::nothrow) AHCIController(node, pciDevice);
if (!*_cookie)
return B_NO_MEMORY;
TRACE("cookie = %p\n", *_cookie);
@ -138,7 +149,14 @@ static status_t
ahci_sim_uninit_bus(void *cookie)
{
TRACE("ahci_sim_uninit_bus, cookie %p\n", cookie);
delete static_cast<AHCIController *>(cookie);
AHCIController *controller = static_cast<AHCIController *>(cookie);
device_node_handle parent = gDeviceManager->get_parent(
controller->DeviceNode());
gDeviceManager->uninit_driver(parent);
gDeviceManager->put_device_node(parent);
delete controller;
return B_OK;
}