static int alloc_descs(unsigned int start, unsigned int cnt, int node,
struct module *owner)
{
struct irq_desc *desc;
int i;
for (i = 0; i < cnt; i++) {
desc = alloc_desc(start + i, node, owner);
if (!desc)
goto err;
mutex_lock(&sparse_irq_lock);
irq_insert_desc(start + i, desc);
mutex_unlock(&sparse_irq_lock);
}
return start;
err:
for (i--; i >= 0; i--)
free_desc(start + i);
mutex_lock(&sparse_irq_lock);
bitmap_clear(allocated_irqs, start, cnt);
mutex_unlock(&sparse_irq_lock);
return -ENOMEM;
}
int16 RmvTime(uint32 tm)
{
D(bug("RmvTime %08lx\n", tm));
// Find descriptor
int i = find_desc(tm);
if (i < 0) {
D(bug("WARNING: RmvTime(%08lx): Descriptor not found\n", tm));
return 0;
}
// Task active?
if (ReadMacInt16(tm + qType) & 0x8000) {
// Yes, make task inactive and remove it from the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
dequeue_tm(tm);
// Compute remaining time
tm_time_t remaining, current;
timer_current_time(current);
timer_sub_time(remaining, desc[i].wakeup, current);
WriteMacInt32(tm + tmCount, timer_host2mac_time(remaining));
} else
WriteMacInt32(tm + tmCount, 0);
D(bug(" tmCount %ld\n", ReadMacInt32(tm + tmCount)));
// Free descriptor
free_desc(i);
return 0;
}
void free_network_name_desc(NetworkNameDesc* head){
free(head->network_name);
head->network_name = NULL;
free_desc(head->next_desc);
head->next_desc = NULL;
free(head);
head = NULL;
}
void free_cable_delivery_system_desc(DESCRIPTOR_COMMON * head)
{
// uprintf("prepare to free : 0x%x\n",head->descriptor_tag);
CABLE_DELIVERY_SYSTEM_DESC * phead = (CABLE_DELIVERY_SYSTEM_DESC *)head;
free_desc(phead->next_desc);
phead->next_desc = NULL;
free(phead);
phead = NULL;
head = NULL;
}
void free_component_desc(DESCRIPTOR_COMMON* head)
{
COMPONENT_DESC * phead = (COMPONENT_DESC *)head;
free(phead->text_char);
phead->text_char = NULL;
free_desc(phead->next_desc);
phead->next_desc = NULL;
free(phead);
phead = NULL;
head = NULL;
}
/**
* irq_free_descs - free irq descriptors
* @from: Start of descriptor range
* @cnt: Number of consecutive irqs to free
*/
void irq_free_descs(unsigned int from, unsigned int cnt)
{
int i;
if (from >= nr_irqs || (from + cnt) > nr_irqs)
return;
for (i = 0; i < cnt; i++)
free_desc(from + i);
mutex_lock(&sparse_irq_lock);
bitmap_clear(allocated_irqs, from, cnt);
mutex_unlock(&sparse_irq_lock);
}
void free_local_time_offset_desc(DESCRIPTOR_COMMON *head)
{
LOCAL_TIME_OFFSET_DESC *phead = (LOCAL_TIME_OFFSET_DESC *)head;
free_localtime_offset_item(phead->first_item);
phead->first_item = NULL;
free_desc(phead->next_desc);
phead->next_desc = NULL;
free(phead);
phead = NULL;
head = NULL;
}
int rmconn( struct CONN * prev_ring )
/* removes from the linked-list and deallocates a connection
* prev_ring
*/
{
struct CONN * curr = prev_ring->next;
struct CONN * conn;
prev_ring->next = curr->next;
if( curr->next == NULL )
last_conn = prev_ring;
free_desc( &(curr->client), 1, curr);
if (flags.writer.type == UNIQUE) free_desc( &(curr->server), 0, curr);
else free_desc( &(curr->server), 1, curr);
S_free( curr );
conn = first_conn;
if( flags.exitclosed ) {
if( flags.exitclosed_first ) { /* -Ef */
while( conn->num > flags.exitclosed ) {
if(! (conn->next) )
exit( EXIT_SUCCESS );
conn = conn->next;
}
} else { /* -E */
--flags.exitclosed;
if( flags.exitclosed == 0)
exit( EXIT_SUCCESS );
}
}
if( flags.trackonly &&
(! flags.trackonly_first) )
count_opened--;
}
static int alloc_descs(unsigned int start, unsigned int cnt, int node,
const struct irq_affinity_desc *affinity,
struct module *owner)
{
struct irq_desc *desc;
int i;
/* Validate affinity mask(s) */
if (affinity) {
for (i = 0; i < cnt; i++) {
if (cpumask_empty(&affinity[i].mask))
return -EINVAL;
}
}
for (i = 0; i < cnt; i++) {
const struct cpumask *mask = NULL;
unsigned int flags = 0;
if (affinity) {
if (affinity->is_managed) {
flags = IRQD_AFFINITY_MANAGED |
IRQD_MANAGED_SHUTDOWN;
}
mask = &affinity->mask;
node = cpu_to_node(cpumask_first(mask));
affinity++;
}
desc = alloc_desc(start + i, node, flags, mask, owner);
if (!desc)
goto err;
irq_insert_desc(start + i, desc);
irq_sysfs_add(start + i, desc);
irq_add_debugfs_entry(start + i, desc);
}
bitmap_set(allocated_irqs, start, cnt);
return start;
err:
for (i--; i >= 0; i--)
free_desc(start + i);
return -ENOMEM;
}
static int alloc_descs(unsigned int start, unsigned int cnt, int node,
const struct cpumask *affinity, struct module *owner)
{
const struct cpumask *mask = NULL;
struct irq_desc *desc;
unsigned int flags;
int i;
/* Validate affinity mask(s) */
if (affinity) {
for (i = 0, mask = affinity; i < cnt; i++, mask++) {
if (cpumask_empty(mask))
return -EINVAL;
}
}
flags = affinity ? IRQD_AFFINITY_MANAGED : 0;
mask = NULL;
for (i = 0; i < cnt; i++) {
if (affinity) {
node = cpu_to_node(cpumask_first(affinity));
mask = affinity;
affinity++;
}
desc = alloc_desc(start + i, node, flags, mask, owner);
if (!desc)
goto err;
mutex_lock(&sparse_irq_lock);
irq_insert_desc(start + i, desc);
irq_sysfs_add(start + i, desc);
mutex_unlock(&sparse_irq_lock);
}
return start;
err:
for (i--; i >= 0; i--)
free_desc(start + i);
mutex_lock(&sparse_irq_lock);
bitmap_clear(allocated_irqs, start, cnt);
mutex_unlock(&sparse_irq_lock);
return -ENOMEM;
}
/**
* Get and a device descriptor and byteswap it appropriately.
*/
static bool usbProxyGetDeviceDesc(PUSBPROXYDEV pProxyDev, PVUSBDESCDEVICE pOut)
{
/*
* Get the descriptor from the device.
*/
PVUSBDESCDEVICE pIn = (PVUSBDESCDEVICE)GetStdDescSync(pProxyDev, VUSB_DT_DEVICE, 0, 0, VUSB_DT_DEVICE_MIN_LEN);
if (!pIn)
{
Log(("usbProxyGetDeviceDesc: pProxyDev=%s: GetStdDescSync failed\n", pProxyDev->pUsbIns->pszName));
return false;
}
if (pIn->bLength < VUSB_DT_DEVICE_MIN_LEN)
{
Log(("usb-proxy: pProxyDev=%s: Corrupted device descriptor. bLength=%d\n", pProxyDev->pUsbIns->pszName, pIn->bLength));
return false;
}
/*
* Convert it.
*/
pOut->bLength = VUSB_DT_DEVICE_MIN_LEN;
pOut->bDescriptorType = VUSB_DT_DEVICE;
pOut->bcdUSB = RT_LE2H_U16(pIn->bcdUSB);
pOut->bDeviceClass = pIn->bDeviceClass;
pOut->bDeviceSubClass = pIn->bDeviceSubClass;
pOut->bDeviceProtocol = pIn->bDeviceProtocol;
pOut->bMaxPacketSize0 = pIn->bMaxPacketSize0;
pOut->idVendor = RT_LE2H_U16(pIn->idVendor);
pOut->idProduct = RT_LE2H_U16(pIn->idProduct);
pOut->bcdDevice = RT_LE2H_U16(pIn->bcdDevice);
pOut->iManufacturer = pIn->iManufacturer;
pOut->iProduct = pIn->iProduct;
pOut->iSerialNumber = pIn->iSerialNumber;
pOut->bNumConfigurations = pIn->bNumConfigurations;
free_desc(pIn);
return true;
}
void free_servicelist_desc(ServiceListDesc* head){
free_desc(head->next_desc);
head->next_desc = NULL;
free(head);
head = NULL;
}
void irq_init_desc(unsigned int irq)
{
free_desc(irq);
}
int16 RmvTime(uint32 tm)
{
D(bug("RmvTime %08lx\n", tm));
// Find descriptor
TMDesc *desc = find_desc(tm);
if (!desc) {
printf("WARNING: RmvTime(%08lx): Descriptor not found\n", (long unsigned int)tm);
return 0;
}
// Task active?
#if PRECISE_TIMING_BEOS
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
suspend_thread(timer_thread);
#endif
#ifdef PRECISE_TIMING_MACH
semaphore_wait(wakeup_time_sem);
thread_suspend(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
timer_thread_suspend();
pthread_mutex_lock(&wakeup_time_lock);
#endif
if (ReadMacInt16(tm + qType) & 0x8000) {
// Yes, make task inactive and remove it from the Time Manager queue
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
dequeue_tm(tm);
#if PRECISE_TIMING
// Look for next task to be called and set wakeup_time
wakeup_time = wakeup_time_max;
for (TMDesc *d = tmDescList; d; d = d->next)
if ((ReadMacInt16(d->task + qType) & 0x8000))
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
wakeup_time = d->wakeup;
#endif
// Compute remaining time
tm_time_t remaining, current;
timer_current_time(current);
timer_sub_time(remaining, desc->wakeup, current);
WriteMacInt32(tm + tmCount, timer_host2mac_time(remaining));
} else
WriteMacInt32(tm + tmCount, 0);
D(bug(" tmCount %ld\n", ReadMacInt32(tm + tmCount)));
#if PRECISE_TIMING_BEOS
release_sem(wakeup_time_sem);
thread_info info;
do {
resume_thread(timer_thread); // This will unblock the thread
get_thread_info(timer_thread, &info);
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
#endif
#ifdef PRECISE_TIMING_MACH
semaphore_signal(wakeup_time_sem);
thread_abort(timer_thread);
thread_resume(timer_thread);
#endif
#if PRECISE_TIMING_POSIX
pthread_mutex_unlock(&wakeup_time_lock);
timer_thread_resume();
assert(suspend_count == 0);
#endif
// Free descriptor
free_desc(desc);
return 0;
}
// ARM10C 20141115
// start: 16, cnt: 144, node: 0, owner: NULL
// ARM10C 20141213
// start: 160, cnt: 256, node: 0, owner: NULL
static int alloc_descs(unsigned int start, unsigned int cnt, int node,
struct module *owner)
{
struct irq_desc *desc;
int i;
// cnt: 144
for (i = 0; i < cnt; i++) {
// i: 0, start: 16, node: 0, owner: NULL
// alloc_desc(16, 0, NULL): kmem_cache#28-oX (irq 16)
// i: 48, start: 16, node: 0, owner: NULL
// alloc_desc(64, 0, NULL): kmem_cache#28-oX (irq 64)
desc = alloc_desc(start + i, node, owner);
// desc: kmem_cache#28-oX (irq 16)
// desc: kmem_cache#28-oX (irq 64)
// alloc_desc(16)에서 한일:
// (kmem_cache#28-oX)->kstat_irqs: pcp 4 byte 공간
// (kmem_cache#28-oX)->lock 을 이용한 spinlock 초기화 수행
// (kmem_cache#28-oX)->irq_data.irq: 16
// (kmem_cache#28-oX)->irq_data.chip: &no_irq_chip
// (kmem_cache#28-oX)->irq_data.chip_data: NULL
// (kmem_cache#28-oX)->irq_data.handler_data: NULL
// (kmem_cache#28-oX)->irq_data.msi_desc: NULL
// (kmem_cache#28-oX)->status_use_accessors: 0xc00
// (&(kmem_cache#28-oX)->irq_data)->state_use_accessors: 0x10000
// (kmem_cache#28-oX)->handle_irq: handle_bad_irq
// (kmem_cache#28-oX)->depth: 1
// (kmem_cache#28-oX)->irq_count: 0
// (kmem_cache#28-oX)->irqs_unhandled: 0
// (kmem_cache#28-oX)->name: NULL
// (kmem_cache#28-oX)->owner: null
// [pcp0...3] (kmem_cache#28-oX)->kstat_irqs: 0
// (kmem_cache#28-oX)->irq_data.node: 0
// (kmem_cache#28-oX)->irq_data.affinity.bits[0]: 0xF
// alloc_desc(64)에서 한일:
// (kmem_cache#28-oX)->kstat_irqs: pcp 4 byte 공간
// (kmem_cache#28-oX)->lock 을 이용한 spinlock 초기화 수행
// (kmem_cache#28-oX)->irq_data.irq: 64
// (kmem_cache#28-oX)->irq_data.chip: &no_irq_chip
// (kmem_cache#28-oX)->irq_data.chip_data: NULL
// (kmem_cache#28-oX)->irq_data.handler_data: NULL
// (kmem_cache#28-oX)->irq_data.msi_desc: NULL
// (kmem_cache#28-oX)->status_use_accessors: 0xc00
// (&(kmem_cache#28-oX)->irq_data)->state_use_accessors: 0x10000
// (kmem_cache#28-oX)->handle_irq: handle_bad_irq
// (kmem_cache#28-oX)->depth: 1
// (kmem_cache#28-oX)->irq_count: 0
// (kmem_cache#28-oX)->irqs_unhandled: 0
// (kmem_cache#28-oX)->name: NULL
// (kmem_cache#28-oX)->owner: null
// [pcp0...3] (kmem_cache#28-oX)->kstat_irqs: 0
// (kmem_cache#28-oX)->irq_data.node: 0
// (kmem_cache#28-oX)->irq_data.affinity.bits[0]: 0xF
// desc: kmem_cache#28-oX (irq 16)
// desc: kmem_cache#28-oX (irq 64)
if (!desc)
goto err;
mutex_lock(&sparse_irq_lock);
// sparse_irq_lock을 이용한 mutex lock 수행
// sparse_irq_lock을 이용한 mutex lock 수행
// i: 0, start: 16, desc: kmem_cache#28-oX (irq 16), irq_insert_desc(16, kmem_cache#28-oX (irq 16)): 0
// i: 48, start: 16, desc: kmem_cache#28-oX (irq 64), irq_insert_desc(48, kmem_cache#28-oX (irq 64)): 0
irq_insert_desc(start + i, desc);
// 2014/11/15 종료
// 2014/11/22 시작
// irq_insert_desc(16)에서 한일:
// (kmem_cache#20-o0)->count: 16
// (kmem_cache#20-o0)->slots[16]: kmem_cache#28-o16 (irq 16)
mutex_unlock(&sparse_irq_lock);
// sparse_irq_lock을 이용한 mutex unlock 수행
// sparse_irq_lock을 이용한 mutex unlock 수행
// i: 1 ... 143 까지 루프 수행
}
/*
// 위 loop의 수행 결과
//
// irq 16 ~ 159를 위한 struct irq_desc 메모리를 할당 받아 초기화 수행
// (kmem_cache#28-oX (irq 16...159))->lock 을 이용한 spinlock 초기화 수행
// (kmem_cache#28-oX (irq 16...159))->status_use_accessors: 0xc00
// (kmem_cache#28-oX (irq 16...159))->handle_irq: handle_bad_irq
// (kmem_cache#28-oX (irq 16...159))->depth: 1
// (kmem_cache#28-oX (irq 16...159))->irq_count: 0
// (kmem_cache#28-oX (irq 16...159))->irqs_unhandled: 0
// (kmem_cache#28-oX (irq 16...159))->name: NULL
// (kmem_cache#28-oX (irq 16...159))->owner: null
// (kmem_cache#28-oX (irq 16...159))->kstat_irqs: pcp 4 byte 공간
// [pcp0...3] (kmem_cache#28-oX (irq 16...159))->kstat_irqs: 0
// (kmem_cache#28-oX (irq 16...159))->irq_data.irq: 16...159
// (kmem_cache#28-oX (irq 16...159))->irq_data.chip: &no_irq_chip
// (kmem_cache#28-oX (irq 16...159))->irq_data.chip_data: NULL
// (kmem_cache#28-oX (irq 16...159))->irq_data.handler_data: NULL
// (kmem_cache#28-oX (irq 16...159))->irq_data.msi_desc: NULL
// (kmem_cache#28-oX (irq 16...159))->irq_data.state_use_accessors: 0x10000
// (kmem_cache#28-oX (irq 16...159))->irq_data.node: 0
// (kmem_cache#28-oX (irq 16...159))->irq_data.affinity.bits[0]: 0xF
//
// radix tree의 root node: &irq_desc_tree 값을 변경
// (&irq_desc_tree)->rnode: kmem_cache#20-o1 (RADIX_LSB: 1)
// (&irq_desc_tree)->height: 2
//
// (kmem_cache#20-o1)->height: 2
// (kmem_cache#20-o1)->count: 3
// (kmem_cache#20-o1)->parent: NULL
// (kmem_cache#20-o1)->slots[0]: kmem_cache#20-o0 (radix height 1 관리 주소)
// (kmem_cache#20-o1)->slots[1]: kmem_cache#20-o2 (radix height 1 관리 주소)
// (kmem_cache#20-o1)->slots[2]: kmem_cache#20-o3 (radix height 1 관리 주소)
//
// (kmem_cache#20-o0)->height: 1
// (kmem_cache#20-o0)->count: 63
// (kmem_cache#20-o0)->parent: kmem_cache#20-o1 (RADIX_LSB: 1)
// (kmem_cache#20-o0)->slots[0...63]: kmem_cache#28-oX (irq 0...63)
//
// (kmem_cache#20-o2)->height: 1
// (kmem_cache#20-o2)->count: 63
// (kmem_cache#20-o2)->parent: kmem_cache#20-o1 (RADIX_LSB: 1)
// (kmem_cache#20-o2)->slots[0...63]: kmem_cache#28-oX (irq 63...127)
//
// (kmem_cache#20-o3)->height: 1
// (kmem_cache#20-o3)->count: 32
// (kmem_cache#20-o3)->parent: kmem_cache#20-o1 (RADIX_LSB: 1)
// (kmem_cache#20-o3)->slots[0...63]: kmem_cache#28-oX (irq 127...159)
//
// 위 loop의 수행 결과를 나타낸 그림
//
// (&irq_desc_tree)->rnode --> +-----------------------+
// | radix_tree_node |
// | (kmem_cache#20-o1) |
// +-----------------------+
// | height: 2 | count: 3 |
// +-----------------------+
// | radix_tree_node 0 ~ 2 |
// +-----------------------+
// / | \
// slot: 0 / slot: 1 | \ slot: 2
// +-----------------------+ +-----------------------+ +-----------------------+
// | radix_tree_node | | radix_tree_node | | radix_tree_node |
// | (kmem_cache#20-o0) | | (kmem_cache#20-o2) | | (kmem_cache#20-o3) |
// +-----------------------+ +-----------------------+ +-----------------------+
// | height: 1 | count: 64 | | height: 1 | count: 64 | | height: 1 | count: 32 |
// +-----------------------+ +-----------------------+ +-----------------------+
// | irq 0 ~ 63 | | irq 64 ~ 127 | | irq 128 ~ 159 |
// +-----------------------+ +-----------------------+ +-----------------------+
*/
// start: 16
return start;
// return 16
err:
for (i--; i >= 0; i--)
free_desc(start + i);
mutex_lock(&sparse_irq_lock);
bitmap_clear(allocated_irqs, start, cnt);
mutex_unlock(&sparse_irq_lock);
return -ENOMEM;
}
void TimerReset(void)
{
// Mark all descriptors as inactive
for (int i=0; i<NUM_DESCS; i++)
free_desc(i);
}
