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path: root/drivers/net/ethernet/brocade/bna/cna_fwimg.c
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Diffstat (limited to 'drivers/net/ethernet/brocade/bna/cna_fwimg.c')
-rw-r--r--drivers/net/ethernet/brocade/bna/cna_fwimg.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/drivers/net/ethernet/brocade/bna/cna_fwimg.c b/drivers/net/ethernet/brocade/bna/cna_fwimg.c
new file mode 100644
index 000000000..824eaef30
--- /dev/null
+++ b/drivers/net/ethernet/brocade/bna/cna_fwimg.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Linux network driver for QLogic BR-series Converged Network Adapter.
+ */
+/*
+ * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
+ * Copyright (c) 2014-2015 QLogic Corporation
+ * All rights reserved
+ * www.qlogic.com
+ */
+#include <linux/firmware.h>
+#include "bnad.h"
+#include "bfi.h"
+#include "cna.h"
+
+const struct firmware *bfi_fw;
+static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna;
+static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size;
+
+static u32 *
+cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image,
+ u32 *bfi_image_size, char *fw_name)
+{
+ const struct firmware *fw;
+ u32 n;
+
+ if (request_firmware(&fw, fw_name, &pdev->dev)) {
+ dev_alert(&pdev->dev, "can't load firmware %s\n", fw_name);
+ goto error;
+ }
+
+ *bfi_image = (u32 *)fw->data;
+ *bfi_image_size = fw->size/sizeof(u32);
+ bfi_fw = fw;
+
+ /* Convert loaded firmware to host order as it is stored in file
+ * as sequence of LE32 integers.
+ */
+ for (n = 0; n < *bfi_image_size; n++)
+ le32_to_cpus(*bfi_image + n);
+
+ return *bfi_image;
+error:
+ return NULL;
+}
+
+u32 *
+cna_get_firmware_buf(struct pci_dev *pdev)
+{
+ if (pdev->device == BFA_PCI_DEVICE_ID_CT2) {
+ if (bfi_image_ct2_cna_size == 0)
+ cna_read_firmware(pdev, &bfi_image_ct2_cna,
+ &bfi_image_ct2_cna_size, CNA_FW_FILE_CT2);
+ return bfi_image_ct2_cna;
+ } else if (bfa_asic_id_ct(pdev->device)) {
+ if (bfi_image_ct_cna_size == 0)
+ cna_read_firmware(pdev, &bfi_image_ct_cna,
+ &bfi_image_ct_cna_size, CNA_FW_FILE_CT);
+ return bfi_image_ct_cna;
+ }
+
+ return NULL;
+}
+
+u32 *
+bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off)
+{
+ switch (asic_gen) {
+ case BFI_ASIC_GEN_CT:
+ return (bfi_image_ct_cna + off);
+ case BFI_ASIC_GEN_CT2:
+ return (bfi_image_ct2_cna + off);
+ default:
+ return NULL;
+ }
+}
+
+u32
+bfa_cb_image_get_size(enum bfi_asic_gen asic_gen)
+{
+ switch (asic_gen) {
+ case BFI_ASIC_GEN_CT:
+ return bfi_image_ct_cna_size;
+ case BFI_ASIC_GEN_CT2:
+ return bfi_image_ct2_cna_size;
+ default:
+ return 0;
+ }
+}