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linux_osl.c
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linux_osl.c
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/*
* Linux OS Independent Layer
*
* Copyright (C) 2022, Broadcom.
*
* Unless you and Broadcom execute a separate written software license
* agreement governing use of this software, this software is licensed to you
* under the terms of the GNU General Public License version 2 (the "GPL"),
* available at http://www.broadcom.com/licenses/GPLv2.php, with the
* following added to such license:
*
* As a special exception, the copyright holders of this software give you
* permission to link this software with independent modules, and to copy and
* distribute the resulting executable under terms of your choice, provided that
* you also meet, for each linked independent module, the terms and conditions of
* the license of that module. An independent module is a module which is not
* derived from this software. The special exception does not apply to any
* modifications of the software.
*
*
* <<Broadcom-WL-IPTag/Dual:>>
*/
#define LINUX_PORT
#include <typedefs.h>
#include <bcmendian.h>
#include <linuxver.h>
#include <bcmdefs.h>
#if defined(__ARM_ARCH_7A__) && !defined(DHD_USE_COHERENT_MEM_FOR_RING)
#include <asm/cacheflush.h>
#endif /* __ARM_ARCH_7A__ && !DHD_USE_COHERENT_MEM_FOR_RING */
#include <linux/random.h>
#include <osl.h>
#include <bcmutils.h>
#include <linux/delay.h>
#include <linux/vmalloc.h>
#include <pcicfg.h>
#include <linux/fs.h>
#ifdef BCM_OBJECT_TRACE
#include <bcmutils.h>
#endif /* BCM_OBJECT_TRACE */
#include "linux_osl_priv.h"
#define PCI_CFG_RETRY 10 /* PR15065: retry count for pci cfg accesses */
#define DUMPBUFSZ 1024
#if defined(CUSTOMER_HW4_DEBUG) || defined(CUSTOMER_HW2_DEBUG)
uint32 g_assert_type = 1; /* By Default not cause Kernel Panic */
#else
uint32 g_assert_type = 0; /* By Default Kernel Panic */
#endif /* CUSTOMER_HW4_DEBUG || CUSTOMER_HW2_DEBUG */
module_param(g_assert_type, int, 0);
#if defined(BCMSLTGT)
/* !!!make sure htclkratio is not 0!!! */
extern uint htclkratio;
#endif
#ifdef USE_DMA_LOCK
static void osl_dma_lock(osl_t *osh);
static void osl_dma_unlock(osl_t *osh);
static void osl_dma_lock_init(osl_t *osh);
#define DMA_LOCK(osh) osl_dma_lock(osh)
#define DMA_UNLOCK(osh) osl_dma_unlock(osh)
#define DMA_LOCK_INIT(osh) osl_dma_lock_init(osh);
#else
#define DMA_LOCK(osh) do { /* noop */ } while(0)
#define DMA_UNLOCK(osh) do { /* noop */ } while(0)
#define DMA_LOCK_INIT(osh) do { /* noop */ } while(0)
#endif /* USE_DMA_LOCK */
static int16 linuxbcmerrormap[] =
{ 0, /* 0 */
-EINVAL, /* BCME_ERROR */
-EINVAL, /* BCME_BADARG */
-EINVAL, /* BCME_BADOPTION */
-EINVAL, /* BCME_NOTUP */
-EINVAL, /* BCME_NOTDOWN */
-EINVAL, /* BCME_NOTAP */
-EINVAL, /* BCME_NOTSTA */
-EINVAL, /* BCME_BADKEYIDX */
-EINVAL, /* BCME_RADIOOFF */
-EINVAL, /* BCME_NOTBANDLOCKED */
-EINVAL, /* BCME_NOCLK */
-EINVAL, /* BCME_BADRATESET */
-EINVAL, /* BCME_BADBAND */
-E2BIG, /* BCME_BUFTOOSHORT */
-E2BIG, /* BCME_BUFTOOLONG */
-EBUSY, /* BCME_BUSY */
-EINVAL, /* BCME_NOTASSOCIATED */
-EINVAL, /* BCME_BADSSIDLEN */
-EINVAL, /* BCME_OUTOFRANGECHAN */
-EINVAL, /* BCME_BADCHAN */
-EFAULT, /* BCME_BADADDR */
-ENOMEM, /* BCME_NORESOURCE */
-EOPNOTSUPP, /* BCME_UNSUPPORTED */
-EMSGSIZE, /* BCME_BADLENGTH */
-EINVAL, /* BCME_NOTREADY */
-EPERM, /* BCME_EPERM */
-ENOMEM, /* BCME_NOMEM */
-EINVAL, /* BCME_ASSOCIATED */
-ERANGE, /* BCME_RANGE */
-EINVAL, /* BCME_NOTFOUND */
-EINVAL, /* BCME_WME_NOT_ENABLED */
-EINVAL, /* BCME_TSPEC_NOTFOUND */
-EINVAL, /* BCME_ACM_NOTSUPPORTED */
-EINVAL, /* BCME_NOT_WME_ASSOCIATION */
-EIO, /* BCME_SDIO_ERROR */
-ENODEV, /* BCME_DONGLE_DOWN */
-EINVAL, /* BCME_VERSION */
-EIO, /* BCME_TXFAIL */
-EIO, /* BCME_RXFAIL */
-ENODEV, /* BCME_NODEVICE */
-EINVAL, /* BCME_NMODE_DISABLED */
-ENODATA, /* BCME_NONRESIDENT */
-EINVAL, /* BCME_SCANREJECT */
-EINVAL, /* BCME_USAGE_ERROR */
-EIO, /* BCME_IOCTL_ERROR */
-EIO, /* BCME_SERIAL_PORT_ERR */
-EOPNOTSUPP, /* BCME_DISABLED, BCME_NOTENABLED */
-EIO, /* BCME_DECERR */
-EIO, /* BCME_ENCERR */
-EIO, /* BCME_MICERR */
-ERANGE, /* BCME_REPLAY */
-EINVAL, /* BCME_IE_NOTFOUND */
-EINVAL, /* BCME_DATA_NOTFOUND */
-EINVAL, /* BCME_NOT_GC */
-EINVAL, /* BCME_PRS_REQ_FAILED */
-EINVAL, /* BCME_NO_P2P_SE */
-EINVAL, /* BCME_NOA_PND */
-EINVAL, /* BCME_FRAG_Q_FAILED */
-EINVAL, /* BCME_GET_AF_FAILED */
-EINVAL, /* BCME_MSCH_NOTREADY */
-EINVAL, /* BCME_IOV_LAST_CMD */
-EINVAL, /* BCME_MINIPMU_CAL_FAIL */
-EINVAL, /* BCME_RCAL_FAIL */
-EINVAL, /* BCME_LPF_RCCAL_FAIL */
-EINVAL, /* BCME_DACBUF_RCCAL_FAIL */
-EINVAL, /* BCME_VCOCAL_FAIL */
-EINVAL, /* BCME_BANDLOCKED */
-EINVAL, /* BCME_BAD_IE_DATA */
-EINVAL, /* BCME_REG_FAILED */
-EINVAL, /* BCME_NOCHAN */
-EINVAL, /* BCME_PKTTOSS */
-EINVAL, /* BCME_DNGL_DEVRESET */
-EINVAL, /* BCME_ROAM */
-EOPNOTSUPP, /* BCME_NO_SIG_FILE */
-EOPNOTSUPP, /* BCME_RESP_PENDING */
-EINVAL, /* BCME_ACTIVE */
-EINVAL, /* BCME_IN_PROGRESS */
-EINVAL, /* BCME_NOP */
/* When an new error code is added to bcmutils.h, add os
* specific error translation here as well
*/
/* check if BCME_LAST changed since the last time this function was updated */
#if BCME_LAST != BCME_NOP
#error "You need to add a OS error translation in the linuxbcmerrormap \
for new error code defined in bcmutils.h"
#endif
};
uint lmtest = FALSE;
#ifdef DHD_MAP_LOGGING
#define DHD_MAP_LOG_SIZE 2048
typedef struct dhd_map_item {
dmaaddr_t pa; /* DMA address (physical) */
uint64 ts_nsec; /* timestamp: nsec */
uint32 size; /* mapping size */
uint8 rsvd[4]; /* reserved for future use */
} dhd_map_item_t;
typedef struct dhd_map_record {
uint32 items; /* number of total items */
uint32 idx; /* current index of metadata */
dhd_map_item_t map[0]; /* metadata storage */
} dhd_map_log_t;
void
osl_dma_map_dump(osl_t *osh)
{
dhd_map_log_t *map_log, *unmap_log;
uint64 ts_sec, ts_usec;
map_log = (dhd_map_log_t *)(osh->dhd_map_log);
unmap_log = (dhd_map_log_t *)(osh->dhd_unmap_log);
osl_get_localtime(&ts_sec, &ts_usec);
if (map_log && unmap_log) {
OSL_PRINT(("%s: map_idx=%d unmap_idx=%d "
"current time=[%5lu.%06lu]\n", __FUNCTION__,
map_log->idx, unmap_log->idx, (unsigned long)ts_sec,
(unsigned long)ts_usec));
OSL_PRINT(("%s: dhd_map_log(pa)=0x%llx size=%d,"
" dma_unmap_log(pa)=0x%llx size=%d\n", __FUNCTION__,
(uint64)__virt_to_phys((ulong)(map_log->map)),
(uint32)(sizeof(dhd_map_item_t) * map_log->items),
(uint64)__virt_to_phys((ulong)(unmap_log->map)),
(uint32)(sizeof(dhd_map_item_t) * unmap_log->items)));
}
}
static void *
osl_dma_map_log_init(uint32 item_len)
{
dhd_map_log_t *map_log;
gfp_t flags;
uint32 alloc_size = (uint32)(sizeof(dhd_map_log_t) +
(item_len * sizeof(dhd_map_item_t)));
flags = CAN_SLEEP() ? GFP_KERNEL : GFP_ATOMIC;
map_log = (dhd_map_log_t *)kmalloc(alloc_size, flags);
if (map_log) {
memset(map_log, 0, alloc_size);
map_log->items = item_len;
map_log->idx = 0;
}
return (void *)map_log;
}
static void
osl_dma_map_log_deinit(osl_t *osh)
{
if (osh->dhd_map_log) {
kfree(osh->dhd_map_log);
osh->dhd_map_log = NULL;
}
if (osh->dhd_unmap_log) {
kfree(osh->dhd_unmap_log);
osh->dhd_unmap_log = NULL;
}
}
static void
osl_dma_map_logging(osl_t *osh, void *handle, dmaaddr_t pa, uint32 len)
{
dhd_map_log_t *log = (dhd_map_log_t *)handle;
uint32 idx;
if (log == NULL) {
OSL_PRINT(("%s: log is NULL\n", __FUNCTION__));
return;
}
idx = log->idx;
log->map[idx].ts_nsec = osl_localtime_ns();
log->map[idx].pa = pa;
log->map[idx].size = len;
log->idx = (idx + 1) % log->items;
}
#endif /* DHD_MAP_LOGGING */
/* translate bcmerrors into linux errors */
int
osl_error(int bcmerror)
{
if (bcmerror > 0)
bcmerror = 0;
else if (bcmerror < BCME_LAST)
bcmerror = BCME_ERROR;
/* Array bounds covered by ASSERT in osl_attach */
return linuxbcmerrormap[-bcmerror];
}
#ifdef SHARED_OSL_CMN
osl_t *
osl_attach(void *pdev, uint bustype, bool pkttag, void **osl_cmn)
{
#else
osl_t *
osl_attach(void *pdev, uint bustype, bool pkttag)
{
void **osl_cmn = NULL;
#endif /* SHARED_OSL_CMN */
osl_t *osh;
gfp_t flags;
flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC;
if (!(osh = kmalloc(sizeof(osl_t), flags)))
return osh;
ASSERT_NULL(osh);
bzero(osh, sizeof(osl_t));
if (osl_cmn == NULL || *osl_cmn == NULL) {
if (!(osh->cmn = kmalloc(sizeof(osl_cmn_t), flags))) {
kfree(osh);
return NULL;
}
bzero(osh->cmn, sizeof(osl_cmn_t));
if (osl_cmn)
*osl_cmn = osh->cmn;
atomic_set(&osh->cmn->malloced, 0);
osh->cmn->dbgmem_list = NULL;
spin_lock_init(&(osh->cmn->dbgmem_lock));
#ifdef BCMDBG_PKT
spin_lock_init(&(osh->cmn->pktlist_lock));
#endif
spin_lock_init(&(osh->cmn->pktalloc_lock));
} else {
osh->cmn = *osl_cmn;
}
atomic_add(1, &osh->cmn->refcount);
bcm_object_trace_init();
/* Check that error map has the right number of entries in it */
ASSERT(ABS(BCME_LAST) == (ARRAYSIZE(linuxbcmerrormap) - 1));
osh->failed = 0;
osh->pdev = pdev;
osh->pub.pkttag = pkttag;
osh->bustype = bustype;
osh->magic = OS_HANDLE_MAGIC;
switch (bustype) {
case PCI_BUS:
case SI_BUS:
osh->pub.mmbus = TRUE;
break;
case SDIO_BUS:
case USB_BUS:
case SPI_BUS:
case RPC_BUS:
osh->pub.mmbus = FALSE;
break;
default:
ASSERT(FALSE);
break;
}
#ifdef BCMDBG_CTRACE
spin_lock_init(&osh->ctrace_lock);
INIT_LIST_HEAD(&osh->ctrace_list);
osh->ctrace_num = 0;
#endif /* BCMDBG_CTRACE */
DMA_LOCK_INIT(osh);
#ifdef BCMDBG_ASSERT
if (pkttag) {
struct sk_buff *skb;
BCM_REFERENCE(skb);
ASSERT(OSL_PKTTAG_SZ <= sizeof(skb->cb));
}
#endif
#ifdef DHD_MAP_LOGGING
osh->dhd_map_log = osl_dma_map_log_init(DHD_MAP_LOG_SIZE);
if (osh->dhd_map_log == NULL) {
OSL_PRINT(("%s: Failed to alloc dhd_map_log\n", __FUNCTION__));
}
osh->dhd_unmap_log = osl_dma_map_log_init(DHD_MAP_LOG_SIZE);
if (osh->dhd_unmap_log == NULL) {
OSL_PRINT(("%s: Failed to alloc dhd_unmap_log\n", __FUNCTION__));
}
#endif /* DHD_MAP_LOGGING */
return osh;
}
void osl_set_bus_handle(osl_t *osh, void *bus_handle)
{
osh->bus_handle = bus_handle;
}
void* osl_get_bus_handle(osl_t *osh)
{
return osh->bus_handle;
}
#if defined(AXI_TIMEOUTS_NIC)
void osl_set_bpt_cb(osl_t *osh, void *bpt_cb, void *bpt_ctx)
{
if (osh) {
osh->bpt_cb = (bpt_cb_fn)bpt_cb;
osh->sih = bpt_ctx;
}
}
#endif /* AXI_TIMEOUTS_NIC */
void
osl_detach(osl_t *osh)
{
if (osh == NULL)
return;
#ifdef BCMDBG_MEM
if (MEMORY_LEFTOVER(osh)) {
static char dumpbuf[DUMPBUFSZ];
struct bcmstrbuf b;
OSL_PRINT(("%s: MEMORY LEAK %d bytes\n", __FUNCTION__, MALLOCED(osh)));
bcm_binit(&b, dumpbuf, DUMPBUFSZ);
MALLOC_DUMP(osh, &b);
OSL_PRINT(("%s", b.origbuf));
}
#endif
bcm_object_trace_deinit();
#ifdef DHD_MAP_LOGGING
osl_dma_map_log_deinit(osh);
#endif /* DHD_MAP_LOGGING */
ASSERT(osh->magic == OS_HANDLE_MAGIC);
atomic_sub(1, &osh->cmn->refcount);
if (atomic_read(&osh->cmn->refcount) == 0) {
kfree(osh->cmn);
}
kfree(osh);
}
/* APIs to set/get specific quirks in OSL layer */
void
BCMFASTPATH(osl_flag_set)(osl_t *osh, uint32 mask)
{
osh->flags |= mask;
}
void
osl_flag_clr(osl_t *osh, uint32 mask)
{
osh->flags &= ~mask;
}
bool
osl_is_flag_set(osl_t *osh, uint32 mask)
{
return (osh->flags & mask);
}
#if (defined(__ARM_ARCH_7A__) && !defined(DHD_USE_COHERENT_MEM_FOR_RING))
inline void
BCMFASTPATH(osl_cache_flush)(void *va, uint size)
{
if (size > 0)
dma_sync_single_for_device(OSH_NULL, virt_to_dma(OSH_NULL, va), size,
DMA_TO_DEVICE);
}
inline void
BCMFASTPATH(osl_cache_inv)(void *va, uint size)
{
dma_sync_single_for_cpu(OSH_NULL, virt_to_dma(OSH_NULL, va), size, DMA_FROM_DEVICE);
}
inline void
BCMFASTPATH(osl_prefetch)(const void *ptr)
{
__asm__ __volatile__("pld\t%0" :: "o"(*(const char *)ptr) : "cc");
}
#endif /* !__ARM_ARCH_7A__ */
uint32
osl_pci_read_config(osl_t *osh, uint offset, uint size)
{
uint val = 0;
uint retry = PCI_CFG_RETRY; /* PR15065: faulty cardbus controller bug */
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
/* only 4byte access supported */
ASSERT(size == 4);
do {
pci_read_config_dword(osh->pdev, offset, &val);
if (val != 0xffffffff)
break;
} while (retry--);
#ifdef BCMDBG
if (retry < PCI_CFG_RETRY)
OSL_PRINT(("PCI CONFIG READ access to %d required %d retries\n", offset,
(PCI_CFG_RETRY - retry)));
#endif /* BCMDBG */
return (val);
}
void
osl_pci_write_config(osl_t *osh, uint offset, uint size, uint val)
{
uint retry = PCI_CFG_RETRY; /* PR15065: faulty cardbus controller bug */
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
/* only 4byte access supported */
ASSERT(size == 4);
#ifdef DHD_DEBUG_REG_DUMP
OSL_PRINT(("###### W_CFG : 0x%x 0x%x #######\n", offset, val));
#endif /* DHD_DEBUG_REG_DUMP */
do {
pci_write_config_dword(osh->pdev, offset, val);
/* PR15065: PCI_BAR0_WIN is believed to be the only pci cfg write that can occur
* when dma activity is possible
*/
if (offset != PCI_BAR0_WIN)
break;
if (osl_pci_read_config(osh, offset, size) == val)
break;
} while (retry--);
#ifdef BCMDBG
if (retry < PCI_CFG_RETRY)
OSL_PRINT(("PCI CONFIG WRITE access to %d required %d retries\n", offset,
(PCI_CFG_RETRY - retry)));
#endif /* BCMDBG */
}
/* return bus # for the pci device pointed by osh->pdev */
uint
osl_pci_bus(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC)
ASSERT_NULL(osh->pdev);
#if defined(__ARM_ARCH_7A__)
return pci_domain_nr(((struct pci_dev *)osh->pdev)->bus);
#else
return ((struct pci_dev *)osh->pdev)->bus->number;
#endif
}
/* return slot # for the pci device pointed by osh->pdev */
uint
osl_pci_slot(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT_NULL(osh->pdev);
#if defined(__ARM_ARCH_7A__)
return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn) + 1;
#else
return PCI_SLOT(((struct pci_dev *)osh->pdev)->devfn);
#endif
}
/* return domain # for the pci device pointed by osh->pdev */
uint
osl_pcie_domain(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT_NULL(osh->pdev);
return pci_domain_nr(((struct pci_dev *)osh->pdev)->bus);
}
/* return bus # for the pci device pointed by osh->pdev */
uint
osl_pcie_bus(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT_NULL(osh->pdev);
return ((struct pci_dev *)osh->pdev)->bus->number;
}
/* return the pci device pointed by osh->pdev */
struct pci_dev *
osl_pci_device(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT_NULL(osh->pdev);
return osh->pdev;
}
void *
osl_malloc(osl_t *osh, uint size)
{
void *addr;
gfp_t flags;
/* only ASSERT if osh is defined */
if (osh)
ASSERT(osh->magic == OS_HANDLE_MAGIC);
#ifdef CONFIG_DHD_USE_STATIC_BUF
if (bcm_static_buf)
{
unsigned long irq_flags;
int i = 0;
if ((size >= PAGE_SIZE)&&(size <= STATIC_BUF_SIZE))
{
OSL_STATIC_BUF_LOCK(&bcm_static_buf->static_lock, irq_flags);
for (i = 0; i < STATIC_BUF_MAX_NUM; i++)
{
if (bcm_static_buf->buf_use[i] == 0)
break;
}
if (i == STATIC_BUF_MAX_NUM)
{
OSL_STATIC_BUF_UNLOCK(&bcm_static_buf->static_lock, irq_flags);
OSL_PRINT(("all static buff in use!\n"));
goto original;
}
bcm_static_buf->buf_use[i] = 1;
OSL_STATIC_BUF_UNLOCK(&bcm_static_buf->static_lock, irq_flags);
bzero(bcm_static_buf->buf_ptr+STATIC_BUF_SIZE*i, size);
if (osh)
atomic_add(size, &osh->cmn->malloced);
return ((void *)(bcm_static_buf->buf_ptr+STATIC_BUF_SIZE*i));
}
}
original:
#endif /* CONFIG_DHD_USE_STATIC_BUF */
flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC;
if ((addr = kmalloc(size, flags)) == NULL) {
if (osh)
osh->failed++;
return (NULL);
}
if (osh && osh->cmn)
atomic_add(size, &osh->cmn->malloced);
return (addr);
}
void *
osl_mallocz(osl_t *osh, uint size)
{
void *ptr;
ptr = osl_malloc(osh, size);
if (ptr != NULL) {
bzero(ptr, size);
}
return ptr;
}
#if defined(L1_CACHE_BYTES)
#define DMA_PAD (L1_CACHE_BYTES)
#else
#define DMA_PAD (128u)
#endif
void *
osl_dma_mallocz(osl_t *osh, uint size, uint *dmable_size)
{
void *addr = NULL;
gfp_t flags = 0;
uint16 align = 0;
uint32 dmapad = 0;
if (osh)
ASSERT(osh->magic == OS_HANDLE_MAGIC);
if (!size || !dmable_size)
return NULL;
*dmable_size = size;
align = *dmable_size % DMA_PAD;
dmapad = align ? (DMA_PAD - align) : 0;
*dmable_size += dmapad;
flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC;
flags |= GFP_DMA;
addr = kmalloc(*dmable_size, flags);
if (addr != NULL) {
bzero(addr, *dmable_size);
if (osh && osh->cmn) {
atomic_add(*dmable_size, &osh->cmn->malloced);
}
} else {
if (osh) {
osh->failed++;
}
}
return addr;
}
void
osl_mfree(osl_t *osh, void *addr, uint size)
{
#ifdef CONFIG_DHD_USE_STATIC_BUF
unsigned long flags;
if (addr == NULL) {
return;
}
if (bcm_static_buf)
{
if ((addr > (void *)bcm_static_buf) && ((unsigned char *)addr
<= ((unsigned char *)bcm_static_buf + STATIC_BUF_TOTAL_LEN)))
{
int buf_idx = 0;
buf_idx = ((unsigned char *)addr - bcm_static_buf->buf_ptr)/STATIC_BUF_SIZE;
OSL_STATIC_BUF_LOCK(&bcm_static_buf->static_lock, flags);
bcm_static_buf->buf_use[buf_idx] = 0;
OSL_STATIC_BUF_UNLOCK(&bcm_static_buf->static_lock, flags);
if (osh && osh->cmn) {
ASSERT(osh->magic == OS_HANDLE_MAGIC);
atomic_sub(size, &osh->cmn->malloced);
}
return;
}
}
#endif /* CONFIG_DHD_USE_STATIC_BUF */
if (osh && osh->cmn) {
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT(size <= osl_malloced(osh));
atomic_sub(size, &osh->cmn->malloced);
}
kfree(addr);
}
void
osl_dma_mfree(osl_t *osh, void *addr, uint size)
{
if (addr == NULL) {
return;
}
if (osh && osh->cmn) {
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT(size <= osl_malloced(osh));
atomic_sub(size, &osh->cmn->malloced);
}
kfree(addr);
addr = NULL;
}
#ifdef BCMDBG_MEM
/* In BCMDBG_MEM configurations osl_vmalloc is only used internally in
* the implementation of osl_debug_vmalloc. Because we are using the GCC
* -Wstrict-prototypes compile option, we must always have a prototype
* for a global/external function. So make osl_vmalloc static in
* the BCMDBG_MEM case.
*/
static
#endif
void *
osl_vmalloc(osl_t *osh, uint size)
{
void *addr;
/* only ASSERT if osh is defined */
if (osh)
ASSERT(osh->magic == OS_HANDLE_MAGIC);
if ((addr = vmalloc(size)) == NULL) {
if (osh)
osh->failed++;
return (NULL);
}
if (osh && osh->cmn)
atomic_add(size, &osh->cmn->malloced);
return (addr);
}
#ifndef BCMDBG_MEM
void *
osl_vmallocz(osl_t *osh, uint size)
{
void *ptr;
ptr = osl_vmalloc(osh, size);
if (ptr != NULL) {
bzero(ptr, size);
}
return ptr;
}
#endif
#ifdef BCMDBG_MEM
/* In BCMDBG_MEM configurations osl_vmfree is only used internally in
* the implementation of osl_debug_vmfree. Because we are using the GCC
* -Wstrict-prototypes compile option, we must always have a prototype
* for a global/external function. So make osl_vmfree static in
* the BCMDBG_MEM case.
*/
static
#endif
void
osl_vmfree(osl_t *osh, void *addr, uint size)
{
if (osh && osh->cmn) {
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT(size <= osl_malloced(osh));
atomic_sub(size, &osh->cmn->malloced);
}
vfree(addr);
}
#ifdef BCMDBG_MEM
/* In BCMDBG_MEM configurations osl_kvmalloc is only used internally in
* the implementation of osl_debug_kvmalloc. Because we are using the GCC
* -Wstrict-prototypes compile option, we must always have a prototype
* for a global/external function. So make osl_kvmalloc static in
* the BCMDBG_MEM case.
*/
static
#endif
void *
osl_kvmalloc(osl_t *osh, uint size)
{
void *addr;
gfp_t flags;
/* only ASSERT if osh is defined */
if (osh)
ASSERT(osh->magic == OS_HANDLE_MAGIC);
flags = CAN_SLEEP() ? GFP_KERNEL: GFP_ATOMIC;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
if ((addr = kmalloc(size, flags)) == NULL) {
#else
if ((addr = kvmalloc(size, flags)) == NULL) {
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) */
if (osh)
osh->failed++;
return (NULL);
}
if (osh && osh->cmn)
atomic_add(size, &osh->cmn->malloced);
return (addr);
}
#ifndef BCMDBG_MEM
void *
osl_kvmallocz(osl_t *osh, uint size)
{
void *ptr;
ptr = osl_kvmalloc(osh, size);
if (ptr != NULL) {
bzero(ptr, size);
}
return ptr;
}
#endif
#ifdef BCMDBG_MEM
/* In BCMDBG_MEM configurations osl_kvmfree is only used internally in
* the implementation of osl_debug_kvmfree. Because we are using the GCC
* -Wstrict-prototypes compile option, we must always have a prototype
* for a global/external function. So make osl_kvmfree static in
* the BCMDBG_MEM case.
*/
static
#endif
void
osl_kvmfree(osl_t *osh, void *addr, uint size)
{
if (osh && osh->cmn) {
ASSERT(osh->magic == OS_HANDLE_MAGIC);
ASSERT(size <= osl_malloced(osh));
atomic_sub(size, &osh->cmn->malloced);
}
#if (LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0))
kfree(addr);
#else
kvfree(addr);
#endif /* LINUX_VERSION_CODE < KERNEL_VERSION(4, 12, 0) */
}
uint
osl_check_memleak(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
if (atomic_read(&osh->cmn->refcount) == 1)
return (atomic_read(&osh->cmn->malloced));
else
return 0;
}
uint
osl_malloced(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
return (atomic_read(&osh->cmn->malloced));
}
uint
osl_malloc_failed(osl_t *osh)
{
ASSERT_NULL(osh);
ASSERT(osh->magic == OS_HANDLE_MAGIC);
return (osh->failed);
}
#ifdef BCMDBG_MEM
void *
osl_debug_malloc(osl_t *osh, uint size, int line, const char* file)
{
bcm_mem_link_t *p;
const char* basename;
unsigned long flags = 0;
if (!size) {
OSL_PRINT(("%s: allocating zero sized mem at %s line %d\n",
__FUNCTION__, file, line));
ASSERT(0);
}
if ((p = (bcm_mem_link_t*)osl_malloc(osh, sizeof(bcm_mem_link_t) + size)) == NULL) {
return (NULL);
}
if (osh) {
OSL_MEMLIST_LOCK(&osh->cmn->dbgmem_lock, flags);
}
p->size = size;
p->line = line;
p->osh = (void *)osh;
basename = strrchr(file, '/');
/* skip the '/' */
if (basename)
basename++;
if (!basename)
basename = file;
strlcpy(p->file, basename, sizeof(p->file));
/* link this block */
if (osh) {
p->prev = NULL;
p->next = osh->cmn->dbgmem_list;
if (p->next)
p->next->prev = p;
osh->cmn->dbgmem_list = p;
OSL_MEMLIST_UNLOCK(&osh->cmn->dbgmem_lock, flags);
}
return p + 1;
}
void *
osl_debug_mallocz(osl_t *osh, uint size, int line, const char* file)
{
void *ptr;
ptr = osl_debug_malloc(osh, size, line, file);
if (ptr != NULL) {
bzero(ptr, size);
}
return ptr;
}
void
osl_debug_mfree(osl_t *osh, void *addr, uint size, int line, const char* file)
{
bcm_mem_link_t *p;
unsigned long flags = 0;