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baa5810af4
kolibrios/drivers/devman/acpi.c
Sergey Semyonov (Serge) baa5810af4 update 
git-svn-id: svn://kolibrios.org@2187 a494cfbc-eb01-0410-851d-a64ba20cac60
2011-09-14 21:43:11 +00:00

1044 lines
26 KiB
C
Raw Blame History

#include <ddk.h>
#include <linux/errno.h>
#include <mutex.h>
#include <pci.h>
#include <syscall.h>
#include "acpi.h"
#include "acpi_bus.h"
#include "dmdev.h"
#define PREFIX "ACPI: "
#define ACPI_BUS_CLASS "system_bus"
#define ACPI_BUS_HID "KLBSYBUS"
#define ACPI_BUS_DEVICE_NAME "System Bus"
#define ACPI_IS_ROOT_DEVICE(device) (!(device)->parent)
LIST_HEAD(acpi_device_list);
LIST_HEAD(acpi_bus_id_list);
LIST_HEAD(dmdev_tree);
struct acpi_device_bus_id
{
char bus_id[15];
unsigned int instance_no;
struct list_head node;
};
#define ACPI_NS_ROOT_PATH "\\"
#define ACPI_NS_SYSTEM_BUS "_SB_"
enum acpi_irq_model_id {
ACPI_IRQ_MODEL_PIC = 0,
ACPI_IRQ_MODEL_IOAPIC,
ACPI_IRQ_MODEL_IOSAPIC,
ACPI_IRQ_MODEL_PLATFORM,
ACPI_IRQ_MODEL_COUNT
};
enum acpi_bus_removal_type {
ACPI_BUS_REMOVAL_NORMAL = 0,
ACPI_BUS_REMOVAL_EJECT,
ACPI_BUS_REMOVAL_SUPRISE,
ACPI_BUS_REMOVAL_TYPE_COUNT
};
#define PCI_MAX_DEVICES 32
#define PCI_MAX_PINS 4
#define IRQ_TABLE_ENTRIES (PCI_MAX_DEVICES * PCI_MAX_PINS)
static int irqtable[IRQ_TABLE_ENTRIES];
static ACPI_HANDLE pci_root_handle;
#define addr_offset(addr, off) \
(addr_t)((addr_t)(addr) + (addr_t)(off))
//#define acpi_remap( addr ) \
// (addr_t)((addr_t)(addr) + OS_BASE)
#define acpi_remap( addr ) MapIoMem((void*)(addr),4096, 0x01)
char* strdup(const char *str);
void print_pci_irqs();
struct acpi_device *acpi_root;
extern struct resource iomem_resource;
extern struct resource ioport_resource;
enum pic_mode
{
IO_PIC = 0,
IO_APIC
};
static ACPI_STATUS
resource_to_addr(ACPI_RESOURCE *resource, ACPI_RESOURCE_ADDRESS64 *addr);
static void create_dm_list();
static void print_dm_list();
int write_device_dat(char *path);
static void set_pic_mode(enum pic_mode mode)
{
ACPI_OBJECT arg1;
ACPI_OBJECT_LIST args;
ACPI_STATUS as;
arg1.Type = ACPI_TYPE_INTEGER;
arg1.Integer.Value = mode;
args.Count = 1;
args.Pointer = &arg1;
as = AcpiEvaluateObject(ACPI_ROOT_OBJECT, "_PIC", &args, NULL);
/*
* We can silently ignore failure as it may not be implemented, ACPI should
* provide us with correct information anyway
*/
if (ACPI_SUCCESS(as))
dbgprintf(PREFIX "machine set to %s mode\n", mode ? "APIC" : "PIC");
}
static bool pci_use_crs = false;
#define IORESOURCE_BUS 0x00001000
extern struct list_head acpi_pci_roots;
#define ACPI_PCI_ROOT_CLASS "pci_bridge"
#define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge"
static ACPI_STATUS
get_root_bridge_busnr_callback(ACPI_RESOURCE *resource, void *data)
{
struct resource *res = data;
ACPI_RESOURCE_ADDRESS64 address;
if (resource->Type != ACPI_RESOURCE_TYPE_ADDRESS16 &&
resource->Type != ACPI_RESOURCE_TYPE_ADDRESS32 &&
resource->Type != ACPI_RESOURCE_TYPE_ADDRESS64)
return AE_OK;
AcpiResourceToAddress64(resource, &address);
if ((address.AddressLength > 0) &&
(address.ResourceType == ACPI_BUS_NUMBER_RANGE)) {
res->start = address.Minimum;
res->end = address.Minimum + address.AddressLength - 1;
}
return AE_OK;
}
static ACPI_STATUS try_get_root_bridge_busnr(ACPI_HANDLE handle,
struct resource *res)
{
ACPI_STATUS status;
res->start = -1;
status =
AcpiWalkResources(handle, METHOD_NAME__CRS,
get_root_bridge_busnr_callback, res);
if (ACPI_FAILURE(status))
return status;
if (res->start == -1)
return AE_ERROR;
return AE_OK;
}
static void acpi_pci_bridge_scan(struct acpi_device *device)
{
int status;
struct acpi_device *child = NULL;
if (device->flags.bus_address)
if (device->parent && device->parent->ops.bind) {
status = device->parent->ops.bind(device);
if (!status) {
list_for_each_entry(child, &device->children, node)
acpi_pci_bridge_scan(child);
}
}
}
struct pci_root_info
{
struct acpi_device *bridge;
char *name;
unsigned int res_num;
struct resource *res;
struct pci_bus *bus;
int busnum;
};
static ACPI_STATUS
resource_to_addr(ACPI_RESOURCE *resource, ACPI_RESOURCE_ADDRESS64 *addr)
{
ACPI_STATUS status;
struct acpi_resource_memory24 *memory24;
struct acpi_resource_memory32 *memory32;
struct acpi_resource_fixed_memory32 *fixed_memory32;
memset(addr, 0, sizeof(*addr));
switch (resource->Type) {
case ACPI_RESOURCE_TYPE_MEMORY24:
memory24 = &resource->Data.Memory24;
addr->ResourceType = ACPI_MEMORY_RANGE;
addr->Minimum = memory24->Minimum;
addr->AddressLength = memory24->AddressLength;
addr->Maximum = addr->Minimum + addr->AddressLength - 1;
return AE_OK;
case ACPI_RESOURCE_TYPE_MEMORY32:
memory32 = &resource->Data.Memory32;
addr->ResourceType = ACPI_MEMORY_RANGE;
addr->Minimum = memory32->Minimum;
addr->AddressLength = memory32->AddressLength;
addr->Maximum = addr->Minimum + addr->AddressLength - 1;
return AE_OK;
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
fixed_memory32 = &resource->Data.FixedMemory32;
addr->ResourceType = ACPI_MEMORY_RANGE;
addr->Minimum = fixed_memory32->Address;
addr->AddressLength = fixed_memory32->AddressLength;
addr->Maximum = addr->Minimum + addr->AddressLength - 1;
return AE_OK;
case ACPI_RESOURCE_TYPE_ADDRESS16:
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
status = AcpiResourceToAddress64(resource, addr);
if (ACPI_SUCCESS(status) &&
(addr->ResourceType == ACPI_MEMORY_RANGE ||
addr->ResourceType == ACPI_IO_RANGE) &&
addr->AddressLength > 0) {
return AE_OK;
}
break;
}
return AE_ERROR;
}
static ACPI_STATUS
count_resource(ACPI_RESOURCE *acpi_res, void *data)
{
struct pci_root_info *info = data;
ACPI_RESOURCE_ADDRESS64 addr;
ACPI_STATUS status;
status = resource_to_addr(acpi_res, &addr);
if (ACPI_SUCCESS(status))
info->res_num++;
return AE_OK;
}
static ACPI_STATUS setup_resource(ACPI_RESOURCE *acpi_res, void *data)
{
struct pci_root_info *info = data;
struct resource *res;
struct acpi_resource_address64 addr;
ACPI_STATUS status;
unsigned long flags;
u64 start, end;
status = resource_to_addr(acpi_res, &addr);
if (!ACPI_SUCCESS(status))
return AE_OK;
if (addr.ResourceType == ACPI_MEMORY_RANGE)
{
flags = IORESOURCE_MEM;
if (addr.Info.Mem.Caching == ACPI_PREFETCHABLE_MEMORY)
flags |= IORESOURCE_PREFETCH;
}
else if (addr.ResourceType == ACPI_IO_RANGE)
{
flags = IORESOURCE_IO;
} else
return AE_OK;
start = addr.Minimum + addr.TranslationOffset;
end = addr.Maximum + addr.TranslationOffset;
res = &info->res[info->res_num];
res->name = info->name;
res->flags = flags;
res->start = start;
res->end = end;
res->child = NULL;
if (!pci_use_crs) {
printk("host bridge window %pR (ignored)\n", res);
return AE_OK;
}
info->res_num++;
if (addr.TranslationOffset)
dev_info(NULL, "host bridge window %pR "
"(PCI address [%#llx-%#llx])\n",
res, res->start - addr.TranslationOffset,
res->end - addr.TranslationOffset);
else
dev_info(NULL,
"host bridge window %pR\n", res);
return AE_OK;
}
static void
get_current_resources(struct acpi_device *device, int busnum,
int domain, struct pci_bus *bus)
{
struct pci_root_info info;
size_t size;
char buf[64];
// if (pci_use_crs)
// pci_bus_remove_resources(bus);
info.bridge = device;
info.bus = bus;
info.res_num = 0;
AcpiWalkResources(device->handle, METHOD_NAME__CRS, count_resource,
&info);
if (!info.res_num)
return;
size = sizeof(*info.res) * info.res_num;
info.res = kmalloc(size, GFP_KERNEL);
if (!info.res)
goto res_alloc_fail;
vsprintf(buf,"PCI Bus %04x:%02x", domain, busnum);
info.name = strdup(buf);
if (!info.name)
goto name_alloc_fail;
info.res_num = 0;
AcpiWalkResources(device->handle, METHOD_NAME__CRS, setup_resource,
&info);
return;
name_alloc_fail:
kfree(info.res);
res_alloc_fail:
return;
}
struct pci_ops pci_root_ops = {
.read = NULL,
.write = NULL,
};
struct pci_bus* pci_acpi_scan_root(struct acpi_pci_root *root)
{
struct acpi_device *device = root->device;
int domain = root->segment;
int busnum = root->secondary.start;
struct pci_bus *bus;
struct pci_sysdata *sd;
int node = 0;
if (domain ) {
printk(KERN_WARNING "pci_bus %04x:%02x: "
"ignored (multiple domains not supported)\n",
domain, busnum);
return NULL;
}
node = -1;
/* Allocate per-root-bus (not per bus) arch-specific data.
* TODO: leak; this memory is never freed.
* It's arguable whether it's worth the trouble to care.
*/
sd = kzalloc(sizeof(*sd), GFP_KERNEL);
if (!sd) {
printk(KERN_WARNING "pci_bus %04x:%02x: "
"ignored (out of memory)\n", domain, busnum);
return NULL;
}
sd->domain = domain;
sd->node = node;
/*
* Maybe the desired pci bus has been already scanned. In such case
* it is unnecessary to scan the pci bus with the given domain,busnum.
*/
bus = pci_find_bus(domain, busnum);
if (bus) {
/*
* If the desired bus exits, the content of bus->sysdata will
* be replaced by sd.
*/
memcpy(bus->sysdata, sd, sizeof(*sd));
kfree(sd);
} else {
bus = pci_create_bus(busnum, &pci_root_ops, sd);
if (bus) {
get_current_resources(device, busnum, domain, bus);
bus->subordinate = pci_scan_child_bus(bus);
}
}
if (!bus)
kfree(sd);
if (bus && node != -1) {
printk("on NUMA node %d\n", node);
}
return bus;
}
static int acpi_pci_root_add(struct acpi_device *device)
{
unsigned long long segment, bus;
ACPI_STATUS status;
int result;
struct acpi_pci_root *root;
ACPI_HANDLE handle;
struct acpi_device *child;
u32 flags, base_flags;
root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL);
if (!root)
return -ENOMEM;
segment = 0;
status = acpi_evaluate_integer(device->handle, METHOD_NAME__SEG, NULL,
&segment);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
printk(KERN_ERR PREFIX "can't evaluate _SEG\n");
result = -ENODEV;
goto end;
}
/* Check _CRS first, then _BBN. If no _BBN, default to zero. */
root->secondary.flags = IORESOURCE_BUS;
status = try_get_root_bridge_busnr(device->handle, &root->secondary);
if (ACPI_FAILURE(status))
{
/*
* We need both the start and end of the downstream bus range
* to interpret _CBA (MMCONFIG base address), so it really is
* supposed to be in _CRS. If we don't find it there, all we
* can do is assume [_BBN-0xFF] or [0-0xFF].
*/
root->secondary.end = 0xFF;
printk(KERN_WARNING PREFIX
"no secondary bus range in _CRS\n");
status = acpi_evaluate_integer(device->handle, METHOD_NAME__BBN, NULL, &bus);
if (ACPI_SUCCESS(status))
root->secondary.start = bus;
else if (status == AE_NOT_FOUND)
root->secondary.start = 0;
else {
printk(KERN_ERR PREFIX "can't evaluate _BBN\n");
result = -ENODEV;
goto end;
}
}
INIT_LIST_HEAD(&root->node);
root->device = device;
root->segment = segment & 0xFFFF;
strcpy(acpi_device_name(device), ACPI_PCI_ROOT_DEVICE_NAME);
strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
device->driver_data = root;
/*
* All supported architectures that use ACPI have support for
* PCI domains, so we indicate this in _OSC support capabilities.
*/
// flags = base_flags = OSC_PCI_SEGMENT_GROUPS_SUPPORT;
// acpi_pci_osc_support(root, flags);
/*
* TBD: Need PCI interface for enumeration/configuration of roots.
*/
/* TBD: Locking */
list_add_tail(&root->node, &acpi_pci_roots);
printk(KERN_INFO PREFIX "%s [%s] (domain %04x %pR)\n",
acpi_device_name(device), acpi_device_bid(device),
root->segment, &root->secondary);
/*
* Scan the Root Bridge
* --------------------
* Must do this prior to any attempt to bind the root device, as the
* PCI namespace does not get created until this call is made (and
* thus the root bridge's pci_dev does not exist).
*/
root->bus = pci_acpi_scan_root(root);
if (!root->bus) {
printk(KERN_ERR PREFIX
"Bus %04x:%02x not present in PCI namespace\n",
root->segment, (unsigned int)root->secondary.start);
result = -ENODEV;
goto end;
}
/*
* Attach ACPI-PCI Context
* -----------------------
* Thus binding the ACPI and PCI devices.
*/
result = acpi_pci_bind_root(device);
if (result)
goto end;
/*
* PCI Routing Table
* -----------------
* Evaluate and parse _PRT, if exists.
*/
status = AcpiGetHandle(device->handle, METHOD_NAME__PRT, &handle);
if (ACPI_SUCCESS(status))
result = acpi_pci_irq_add_prt(device->handle, root->bus);
/*
* Scan and bind all _ADR-Based Devices
*/
list_for_each_entry(child, &device->children, node)
acpi_pci_bridge_scan(child);
return 0;
end:
if (!list_empty(&root->node))
list_del(&root->node);
kfree(root);
return result;
}
static const struct acpi_device_ids root_device_ids[] =
{
{"PNP0A03", 0},
{"", 0},
};
void acpi_init_pci(struct acpi_device *device)
{
struct acpi_device *child;
if ( !acpi_match_device_ids(device, root_device_ids) )
{
dbgprintf(PREFIX "PCI root %s\n", device->pnp.bus_id);
acpi_pci_root_add(device);
};
list_for_each_entry(child, &device->children, node)
{
acpi_init_pci(child);
};
};
u32_t drvEntry(int action, char *cmdline)
{
u32_t retval;
ACPI_STATUS status;
int i;
if(action != 1)
return 0;
if( !dbg_open("/rd/1/drivers/acpi.log") )
{
printf("Can't open /rd/1/drivers/acpi.log\nExit\n");
return 0;
}
status = AcpiReallocateRootTable();
if (ACPI_FAILURE(status)) {
dbgprintf("Unable to reallocate ACPI tables\n");
goto err;
}
status = AcpiInitializeSubsystem();
if (status != AE_OK) {
dbgprintf("AcpiInitializeSubsystem failed (%s)\n",
AcpiFormatException(status));
goto err;
}
status = AcpiInitializeTables(NULL, 0, TRUE);
if (status != AE_OK) {
dbgprintf("AcpiInitializeTables failed (%s)\n",
AcpiFormatException(status));
goto err;
}
status = AcpiLoadTables();
if (status != AE_OK) {
dbgprintf("AcpiLoadTables failed (%s)\n",
AcpiFormatException(status));
goto err;
}
// u32_t mode = ACPI_NO_HARDWARE_INIT | ACPI_NO_ACPI_ENABLE;
status = AcpiEnableSubsystem(ACPI_NO_HANDLER_INIT | ACPI_NO_HARDWARE_INIT);
if (status != AE_OK) {
dbgprintf("AcpiEnableSubsystem failed (%s)\n",
AcpiFormatException(status));
goto err;
}
status = AcpiInitializeObjects (ACPI_FULL_INITIALIZATION);
if (ACPI_FAILURE (status))
{
dbgprintf("AcpiInitializeObjects failed (%s)\n",
AcpiFormatException(status));
goto err;
}
set_pic_mode(IO_APIC);
acpi_scan();
acpi_init_pci(acpi_root);
print_pci_irqs();
create_dm_list();
print_dm_list();
write_device_dat("/RD/1/DRIVERS/DEVICES.DAT");
err:
return 0;
};
char* strdup(const char *str)
{
size_t len = strlen (str) + 1;
char *copy = malloc(len);
if (copy)
{
memcpy (copy, str, len);
}
return copy;
}
static void dm_add_pci_bus(struct pci_bus *bus)
{
struct pci_bus *tbus;
struct pci_dev *dev;
dmdev_t *dmdev;
dmdev = (dmdev_t*)kzalloc(sizeof(dmdev_t),GFP_KERNEL);
// INIT_LIST_HEAD(&dmdev->list);
// dmdev->type = 1;
// dmdev->acpi_dev = bus->self->acpi_dev;
// dmdev->pci_dev = bus->self;
// list_add_tail(&dmdev->list, &dmdev_tree);
list_for_each_entry(dev, &bus->devices, bus_list)
{
dmdev = (dmdev_t*)kzalloc(sizeof(dmdev_t),GFP_KERNEL);
INIT_LIST_HEAD(&dmdev->list);
dmdev->type = 1;
dmdev->acpi_dev = dev->acpi_dev;
dmdev->pci_dev = dev;
list_add_tail(&dmdev->list, &dmdev_tree);
};
list_for_each_entry(tbus, &bus->children, node)
{
dm_add_pci_bus(tbus);
};
};
static ACPI_STATUS
count_dev_resources(ACPI_RESOURCE *acpi_res, void *data)
{
(*(int*)data)++;
return AE_OK;
}
static void dm_add_acpi(struct acpi_device *device)
{
struct acpi_device *child;
ACPI_DEVICE_INFO *info = NULL;
ACPI_STATUS status;
dmdev_t *dmdev;
uint32_t res_num = 0;
status = AcpiGetObjectInfo(device->handle, &info);
if ( (status == AE_OK) && (info->Valid & ACPI_VALID_HID))
{
if( strcmp(info->HardwareId.String,"PNP0C0F") == 0)
{
kfree(info);
return;
};
};
kfree(info);
if(device->pci_dev == NULL)
{
AcpiWalkResources(device->handle, METHOD_NAME__CRS,
count_dev_resources, &res_num);
if(res_num != 0)
{
dmdev = (dmdev_t*)kzalloc(sizeof(dmdev_t),GFP_KERNEL);
INIT_LIST_HEAD(&dmdev->list);
dmdev->type = 0;
dmdev->acpi_dev = device;
dmdev->pci_dev = NULL;
list_add_tail(&dmdev->list, &dmdev_tree);
};
};
list_for_each_entry(child, &device->children, node)
{
dm_add_acpi(child);
};
};
static void create_dm_list()
{
struct acpi_pci_root *root;
list_for_each_entry(root, &acpi_pci_roots, node)
{
struct pci_bus *pbus, *tbus;
struct pci_dev *dev;
pbus = root->bus;
dm_add_pci_bus(pbus);
};
dm_add_acpi(acpi_root);
};
static void print_pci_resource(struct resource *res)
{
if(res->flags !=0 )
{
if(res->flags & IORESOURCE_IO)
dbgprintf(" IO range ");
else if(res->flags & IORESOURCE_MEM)
dbgprintf(" MMIO range ");
dbgprintf("%x - %x\n", res->start, res->end);
};
};
static ACPI_STATUS
print_acpi_resource(ACPI_RESOURCE *acpi_res, void *data)
{
ACPI_RESOURCE_ADDRESS64 addr;
ACPI_STATUS status;
int i;
switch (acpi_res->Type)
{
case ACPI_RESOURCE_TYPE_IRQ:
{
ACPI_RESOURCE_IRQ *irq_data = (ACPI_RESOURCE_IRQ*)&acpi_res->Data;
dbgprintf(" IRQ %d\n", irq_data->Interrupts[0]);
};
break;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
{
ACPI_RESOURCE_EXTENDED_IRQ *irq_data = (ACPI_RESOURCE_EXTENDED_IRQ*)&acpi_res->Data;
dbgprintf(" IRQ %d\n", irq_data->Interrupts[0]);
};
break;
case ACPI_RESOURCE_TYPE_DMA:
{
ACPI_RESOURCE_DMA *dma_data = (ACPI_RESOURCE_DMA*) &acpi_res->Data;
for(i=0; i < dma_data->ChannelCount; i++)
{
dbgprintf(" DMA %s channel %d\n",
dma_data->Type == ACPI_TYPE_A ? "Type A":
dma_data->Type == ACPI_TYPE_B ? "Type B" :
dma_data->Type == ACPI_TYPE_F ? "Type F" : "",
dma_data->Channels[i]);
}
};
break;
case ACPI_RESOURCE_TYPE_IO:
{
ACPI_RESOURCE_IO *io_data = (ACPI_RESOURCE_IO*) &acpi_res->Data;
dbgprintf(" IO range 0%x-0%x\n",io_data->Minimum,
io_data->Minimum+io_data->AddressLength-1);
}
break;
case ACPI_RESOURCE_TYPE_FIXED_IO:
{
ACPI_RESOURCE_FIXED_IO *io_data = (ACPI_RESOURCE_FIXED_IO*) &acpi_res->Data;
dbgprintf(" Fixed IO range 0%x-0%x\n",io_data->Address,
io_data->Address+io_data->AddressLength-1);
};
break;
case ACPI_RESOURCE_TYPE_MEMORY24:
case ACPI_RESOURCE_TYPE_MEMORY32:
case ACPI_RESOURCE_TYPE_FIXED_MEMORY32:
{
ACPI_RESOURCE_ADDRESS64 addr64;
resource_to_addr(acpi_res, &addr64);
dbgprintf(" Memory range 0%x-0%x\n",
(uint32_t)addr64.Minimum, (uint32_t)addr64.Maximum);
}
break;
case ACPI_RESOURCE_TYPE_ADDRESS16:
case ACPI_RESOURCE_TYPE_ADDRESS32:
case ACPI_RESOURCE_TYPE_ADDRESS64:
{
ACPI_RESOURCE_ADDRESS64 addr64;
ACPI_STATUS status;
status = AcpiResourceToAddress64(acpi_res, &addr64);
if (ACPI_SUCCESS(status))
{
dbgprintf(" Address range 0%x-0%x\n",
(uint32_t)addr64.Minimum, (uint32_t)addr64.Maximum);
}
};
break;
};
return AE_OK;
};
static void print_dm_list()
{
struct pci_dev *pcidev;
struct acpi_device *acpidev;
dmdev_t *dmdev;
uint32_t i;
dbgprintf("\nDevices:\n");
list_for_each_entry(dmdev, &dmdev_tree, list)
{
switch(dmdev->type)
{
case 0:
if(dmdev->acpi_dev != NULL)
{
acpidev = dmdev->acpi_dev;
dbgprintf("\n%s\n", acpidev->pnp.bus_id);
AcpiWalkResources(acpidev->handle, METHOD_NAME__CRS,
print_acpi_resource, NULL);
};
break;
case 1:
if(dmdev->pci_dev != NULL)
{
pcidev = dmdev->pci_dev;
dbgprintf("\nPCI_%x_%x bus:%d devfn: %x\n",
pcidev->vendor, pcidev->device,
pcidev->busnr, pcidev->devfn);
for(i = 0; i < DEVICE_COUNT_RESOURCE; i++)
print_pci_resource(&pcidev->resource[i]);
if(pcidev->pin)
dbgprintf(" APIC IRQ: %d\n", acpi_get_irq(pcidev));
};
break;
};
};
};
typedef struct
{
uint32_t busaddr;
uint32_t devid;
uint32_t irq;
uint32_t unused;
}devinfo_t;
#pragma pack(push, 1)
typedef struct
{
char sec;
char min;
char hour;
char rsv;
}detime_t;
typedef struct
{
char day;
char month;
short year;
}dedate_t;
typedef struct
{
unsigned attr;
unsigned flags;
union
{
detime_t ctime;
unsigned cr_time;
};
union
{
dedate_t cdate;
unsigned cr_date;
};
union
{
detime_t atime;
unsigned acc_time;
};
union
{
dedate_t adate;
unsigned acc_date;
};
union
{
detime_t mtime;
unsigned mod_time;
};
union
{
dedate_t mdate;
unsigned mod_date;
};
unsigned size;
unsigned size_high;
} FILEINFO;
#pragma pack(pop)
int write_device_dat(char *path)
{
struct pci_dev *pcidev;
dmdev_t *dmdev;
devinfo_t *data;
int writes;
int len;
int i = 0;
list_for_each_entry(dmdev, &dmdev_tree, list)
{
if(dmdev->type ==1)
{
if(dmdev->pci_dev != NULL)
{
pcidev = dmdev->pci_dev;
if(pcidev->pin)
i++;
};
};
};
len = sizeof(devinfo_t)*i + 4;
data = (devinfo_t*)malloc(len);
i = 0;
list_for_each_entry(dmdev, &dmdev_tree, list)
{
if(dmdev->type == 1)
{
if(dmdev->pci_dev != NULL)
{
pcidev = dmdev->pci_dev;
if(pcidev->pin && (acpi_get_irq(pcidev) != -1) )
{
data[i].busaddr = (pcidev->busnr<<8)|pcidev->devfn;
data[i].devid = ((uint32_t)pcidev->device<<16) |
pcidev->vendor;
data[i].irq = acpi_get_irq(pcidev);
data[i].unused = 0;
i++;
}
};
};
};
data[i].busaddr = -1;
FILEINFO info;
int offset = 0;
if(get_fileinfo(path,&info))
{
if( create_file(path))
{
free(data);
return false;
}
}
else
set_file_size(path, 0);
write_file(path, data, 0, len, &writes);
return true;
};
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