![Lisa Nguyen](/assets/img/avatar_default.png)
Some void pointers can be assigned to other pointer variables in functions without casting. Signed-off-by: Lisa Nguyen <lisa@xenapiadmin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
333 lines
10 KiB
C
333 lines
10 KiB
C
#include "headers.h"
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int InterfaceFileDownload(PVOID arg, struct file *flp, unsigned int on_chip_loc)
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{
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/* unsigned int reg = 0; */
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mm_segment_t oldfs = {0};
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int errno = 0, len = 0; /* ,is_config_file = 0 */
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loff_t pos = 0;
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struct bcm_interface_adapter *psIntfAdapter = arg;
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/* struct bcm_mini_adapter *Adapter = psIntfAdapter->psAdapter; */
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char *buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
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if (!buff)
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return -ENOMEM;
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while (1) {
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oldfs = get_fs();
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set_fs(get_ds());
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len = vfs_read(flp, (void __force __user *)buff,
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MAX_TRANSFER_CTRL_BYTE_USB, &pos);
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set_fs(oldfs);
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if (len <= 0) {
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if (len < 0) {
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
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DBG_TYPE_INITEXIT, MP_INIT,
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DBG_LVL_ALL, "len < 0");
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errno = len;
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} else {
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errno = 0;
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
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DBG_TYPE_INITEXIT, MP_INIT,
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DBG_LVL_ALL,
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"Got end of file!");
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}
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break;
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}
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/* BCM_DEBUG_PRINT_BUFFER(Adapter,DBG_TYPE_INITEXIT, MP_INIT,
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* DBG_LVL_ALL, buff,
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* MAX_TRANSFER_CTRL_BYTE_USB);
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*/
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errno = InterfaceWRM(psIntfAdapter, on_chip_loc, buff, len);
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if (errno) {
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter,
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DBG_TYPE_PRINTK, 0, 0,
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"WRM Failed! status: %d", errno);
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break;
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}
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on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
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}
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kfree(buff);
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return errno;
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}
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int InterfaceFileReadbackFromChip(PVOID arg, struct file *flp, unsigned int on_chip_loc)
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{
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char *buff, *buff_readback;
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unsigned int reg = 0;
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mm_segment_t oldfs = {0};
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int errno = 0, len = 0, is_config_file = 0;
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loff_t pos = 0;
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static int fw_down;
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INT Status = STATUS_SUCCESS;
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struct bcm_interface_adapter *psIntfAdapter = arg;
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int bytes;
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buff = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_DMA);
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buff_readback = kmalloc(MAX_TRANSFER_CTRL_BYTE_USB , GFP_DMA);
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if (!buff || !buff_readback) {
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kfree(buff);
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kfree(buff_readback);
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return -ENOMEM;
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}
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is_config_file = (on_chip_loc == CONFIG_BEGIN_ADDR) ? 1 : 0;
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memset(buff_readback, 0, MAX_TRANSFER_CTRL_BYTE_USB);
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memset(buff, 0, MAX_TRANSFER_CTRL_BYTE_USB);
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while (1) {
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oldfs = get_fs();
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set_fs(get_ds());
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len = vfs_read(flp, (void __force __user *)buff, MAX_TRANSFER_CTRL_BYTE_USB, &pos);
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set_fs(oldfs);
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fw_down++;
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if (len <= 0) {
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if (len < 0) {
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len < 0");
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errno = len;
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} else {
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errno = 0;
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Got end of file!");
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}
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break;
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}
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bytes = InterfaceRDM(psIntfAdapter, on_chip_loc, buff_readback, len);
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if (bytes < 0) {
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Status = bytes;
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "RDM of len %d Failed! %d", len, reg);
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goto exit;
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}
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reg++;
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if ((len-sizeof(unsigned int)) < 4) {
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if (memcmp(buff_readback, buff, len)) {
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Length is: %d", len);
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Status = -EIO;
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goto exit;
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}
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} else {
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len -= 4;
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while (len) {
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if (*(unsigned int *)&buff_readback[len] != *(unsigned int *)&buff[len]) {
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Firmware Download is not proper %d", fw_down);
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Val from Binary %x, Val From Read Back %x ", *(unsigned int *)&buff[len], *(unsigned int*)&buff_readback[len]);
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BCM_DEBUG_PRINT(psIntfAdapter->psAdapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "len =%x!!!", len);
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Status = -EIO;
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goto exit;
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}
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len -= 4;
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}
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}
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on_chip_loc += MAX_TRANSFER_CTRL_BYTE_USB;
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} /* End of while(1) */
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exit:
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kfree(buff);
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kfree(buff_readback);
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return Status;
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}
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static int bcm_download_config_file(struct bcm_mini_adapter *Adapter, struct bcm_firmware_info *psFwInfo)
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{
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int retval = STATUS_SUCCESS;
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B_UINT32 value = 0;
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if (Adapter->pstargetparams == NULL) {
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Adapter->pstargetparams = kmalloc(sizeof(struct bcm_target_params), GFP_KERNEL);
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if (Adapter->pstargetparams == NULL)
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return -ENOMEM;
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}
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if (psFwInfo->u32FirmwareLength != sizeof(struct bcm_target_params))
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return -EIO;
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retval = copy_from_user(Adapter->pstargetparams, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
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if (retval) {
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kfree(Adapter->pstargetparams);
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Adapter->pstargetparams = NULL;
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return -EFAULT;
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}
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/* Parse the structure and then Download the Firmware */
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beceem_parse_target_struct(Adapter);
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/* Initializing the NVM. */
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BcmInitNVM(Adapter);
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retval = InitLedSettings(Adapter);
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if (retval) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "INIT LED Failed\n");
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return retval;
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}
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if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
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Adapter->LEDInfo.bLedInitDone = false;
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Adapter->DriverState = DRIVER_INIT;
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wake_up(&Adapter->LEDInfo.notify_led_event);
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}
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if (Adapter->LEDInfo.led_thread_running & BCM_LED_THREAD_RUNNING_ACTIVELY) {
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Adapter->DriverState = FW_DOWNLOAD;
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wake_up(&Adapter->LEDInfo.notify_led_event);
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}
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/* Initialize the DDR Controller */
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retval = ddr_init(Adapter);
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if (retval) {
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BCM_DEBUG_PRINT (Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "DDR Init Failed\n");
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return retval;
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}
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value = 0;
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wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 4, &value, sizeof(value));
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wrmalt(Adapter, EEPROM_CAL_DATA_INTERNAL_LOC - 8, &value, sizeof(value));
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if (Adapter->eNVMType == NVM_FLASH) {
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retval = PropagateCalParamsFromFlashToMemory(Adapter);
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if (retval) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "propagaion of cal param failed with status :%d", retval);
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return retval;
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}
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}
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retval = buffDnldVerify(Adapter, (PUCHAR)Adapter->pstargetparams, sizeof(struct bcm_target_params), CONFIG_BEGIN_ADDR);
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if (retval)
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "configuration file not downloaded properly");
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else
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Adapter->bCfgDownloaded = TRUE;
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return retval;
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}
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int bcm_ioctl_fw_download(struct bcm_mini_adapter *Adapter, struct bcm_firmware_info *psFwInfo)
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{
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int retval = STATUS_SUCCESS;
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PUCHAR buff = NULL;
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/* Config File is needed for the Driver to download the Config file and
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* Firmware. Check for the Config file to be first to be sent from the
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* Application
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*/
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atomic_set(&Adapter->uiMBupdate, false);
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if (!Adapter->bCfgDownloaded && psFwInfo->u32StartingAddress != CONFIG_BEGIN_ADDR) {
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/* Can't Download Firmware. */
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Download the config File first\n");
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return -EINVAL;
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}
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/* If Config File, Finish the DDR Settings and then Download CFG File */
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if (psFwInfo->u32StartingAddress == CONFIG_BEGIN_ADDR) {
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retval = bcm_download_config_file(Adapter, psFwInfo);
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} else {
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buff = kzalloc(psFwInfo->u32FirmwareLength, GFP_KERNEL);
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if (buff == NULL) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Failed in allocation memory");
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return -ENOMEM;
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}
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retval = copy_from_user(buff, psFwInfo->pvMappedFirmwareAddress, psFwInfo->u32FirmwareLength);
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if (retval != STATUS_SUCCESS) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "copying buffer from user space failed");
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retval = -EFAULT;
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goto error;
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}
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retval = buffDnldVerify(Adapter,
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buff,
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psFwInfo->u32FirmwareLength,
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psFwInfo->u32StartingAddress);
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if (retval != STATUS_SUCCESS) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "f/w download failed status :%d", retval);
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goto error;
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}
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}
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error:
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kfree(buff);
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return retval;
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}
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static INT buffDnld(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
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{
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unsigned int len = 0;
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int retval = STATUS_SUCCESS;
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len = u32FirmwareLength;
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while (u32FirmwareLength) {
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len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
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retval = wrm(Adapter, u32StartingAddress, mappedbuffer, len);
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if (retval) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "wrm failed with status :%d", retval);
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break;
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}
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u32StartingAddress += len;
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u32FirmwareLength -= len;
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mappedbuffer += len;
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}
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return retval;
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}
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static INT buffRdbkVerify(struct bcm_mini_adapter *Adapter, PUCHAR mappedbuffer, UINT u32FirmwareLength, ULONG u32StartingAddress)
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{
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UINT len = u32FirmwareLength;
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INT retval = STATUS_SUCCESS;
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PUCHAR readbackbuff = kzalloc(MAX_TRANSFER_CTRL_BYTE_USB, GFP_KERNEL);
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int bytes;
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if (NULL == readbackbuff) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "MEMORY ALLOCATION FAILED");
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return -ENOMEM;
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}
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while (u32FirmwareLength && !retval) {
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len = MIN_VAL(u32FirmwareLength, MAX_TRANSFER_CTRL_BYTE_USB);
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bytes = rdm(Adapter, u32StartingAddress, readbackbuff, len);
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if (bytes < 0) {
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retval = bytes;
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "rdm failed with status %d", retval);
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break;
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}
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if (memcmp(readbackbuff, mappedbuffer, len) != 0) {
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pr_err("%s() failed. The firmware doesn't match what was written",
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__func__);
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retval = -EIO;
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}
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u32StartingAddress += len;
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u32FirmwareLength -= len;
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mappedbuffer += len;
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} /* end of while (u32FirmwareLength && !retval) */
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kfree(readbackbuff);
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return retval;
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}
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INT buffDnldVerify(struct bcm_mini_adapter *Adapter, unsigned char *mappedbuffer, unsigned int u32FirmwareLength, unsigned long u32StartingAddress)
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{
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INT status = STATUS_SUCCESS;
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status = buffDnld(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
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if (status != STATUS_SUCCESS) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer download failed");
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goto error;
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}
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status = buffRdbkVerify(Adapter, mappedbuffer, u32FirmwareLength, u32StartingAddress);
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if (status != STATUS_SUCCESS) {
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BCM_DEBUG_PRINT(Adapter, DBG_TYPE_INITEXIT, MP_INIT, DBG_LVL_ALL, "Buffer readback verifier failed");
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goto error;
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}
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error:
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return status;
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}
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