diff options
Diffstat (limited to 'drivers/scsi/bfa/bfad_fwimg.c')
-rw-r--r-- | drivers/scsi/bfa/bfad_fwimg.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_fwimg.c b/drivers/scsi/bfa/bfad_fwimg.c new file mode 100644 index 000000000000..b2f6949bc8d3 --- /dev/null +++ b/drivers/scsi/bfa/bfad_fwimg.c @@ -0,0 +1,95 @@ +/* + * Copyright (c) 2005-2009 Brocade Communications Systems, Inc. + * All rights reserved + * www.brocade.com + * + * Linux driver for Brocade Fibre Channel Host Bus Adapter. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License (GPL) Version 2 as + * published by the Free Software Foundation + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + */ + +/** + * bfad_fwimg.c Linux driver PCI interface module. + */ +#include <bfa_os_inc.h> +#include <bfad_drv.h> +#include <bfad_im_compat.h> +#include <defs/bfa_defs_version.h> +#include <linux/errno.h> +#include <linux/sched.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <asm/uaccess.h> +#include <asm/fcntl.h> +#include <linux/pci.h> +#include <linux/firmware.h> +#include <bfa_fwimg_priv.h> +#include <bfa.h> + +u32 bfi_image_ct_size; +u32 bfi_image_cb_size; +u32 *bfi_image_ct; +u32 *bfi_image_cb; + + +#define BFAD_FW_FILE_CT "ctfw.bin" +#define BFAD_FW_FILE_CB "cbfw.bin" + +u32 * +bfad_read_firmware(struct pci_dev *pdev, u32 **bfi_image, + u32 *bfi_image_size, char *fw_name) +{ + const struct firmware *fw; + + if (request_firmware(&fw, fw_name, &pdev->dev)) { + printk(KERN_ALERT "Can't locate firmware %s\n", fw_name); + goto error; + } + + *bfi_image = vmalloc(fw->size); + if (NULL == *bfi_image) { + printk(KERN_ALERT "Fail to allocate buffer for fw image " + "size=%x!\n", (u32) fw->size); + goto error; + } + + memcpy(*bfi_image, fw->data, fw->size); + *bfi_image_size = fw->size/sizeof(u32); + + return(*bfi_image); + +error: + return(NULL); +} + +u32 * +bfad_get_firmware_buf(struct pci_dev *pdev) +{ + if (pdev->device == BFA_PCI_DEVICE_ID_CT) { + if (bfi_image_ct_size == 0) + bfad_read_firmware(pdev, &bfi_image_ct, + &bfi_image_ct_size, BFAD_FW_FILE_CT); + return(bfi_image_ct); + } else { + if (bfi_image_cb_size == 0) + bfad_read_firmware(pdev, &bfi_image_cb, + &bfi_image_cb_size, BFAD_FW_FILE_CB); + return(bfi_image_cb); + } +} + +u32 * +bfi_image_ct_get_chunk(u32 off) +{ return (u32 *)(bfi_image_ct + off); } + +u32 * +bfi_image_cb_get_chunk(u32 off) +{ return (u32 *)(bfi_image_cb + off); } + |