| 1 | // SPDX-License-Identifier: GPL-2.0-only |
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| 2 | /* |
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| 3 | * Linux network driver for QLogic BR-series Converged Network Adapter. |
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| 4 | */ |
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| 5 | /* |
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| 6 | * Copyright (c) 2005-2014 Brocade Communications Systems, Inc. |
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| 7 | * Copyright (c) 2014-2015 QLogic Corporation |
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| 8 | * All rights reserved |
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| 9 | * www.qlogic.com |
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| 10 | */ |
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| 11 | #include <linux/firmware.h> |
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| 12 | #include "bnad.h" |
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| 13 | #include "bfi.h" |
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| 14 | #include "cna.h" |
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| 15 | |
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| 16 | const struct firmware *bfi_fw; |
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| 17 | static u32 *bfi_image_ct_cna, *bfi_image_ct2_cna; |
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| 18 | static u32 bfi_image_ct_cna_size, bfi_image_ct2_cna_size; |
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| 19 | |
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| 20 | static u32 * |
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| 21 | cna_read_firmware(struct pci_dev *pdev, u32 **bfi_image, |
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| 22 | u32 *bfi_image_size, char *fw_name) |
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| 23 | { |
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| 24 | const struct firmware *fw; |
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| 25 | u32 n; |
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| 26 | |
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| 27 | if (request_firmware(fw: &fw, name: fw_name, device: &pdev->dev)) { |
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| 28 | dev_alert(&pdev->dev, "can't load firmware %s\n" , fw_name); |
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| 29 | goto error; |
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| 30 | } |
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| 31 | |
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| 32 | *bfi_image = (u32 *)fw->data; |
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| 33 | *bfi_image_size = fw->size/sizeof(u32); |
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| 34 | bfi_fw = fw; |
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| 35 | |
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| 36 | /* Convert loaded firmware to host order as it is stored in file |
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| 37 | * as sequence of LE32 integers. |
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| 38 | */ |
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| 39 | for (n = 0; n < *bfi_image_size; n++) |
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| 40 | le32_to_cpus(*bfi_image + n); |
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| 41 | |
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| 42 | return *bfi_image; |
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| 43 | error: |
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| 44 | return NULL; |
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| 45 | } |
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| 46 | |
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| 47 | u32 * |
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| 48 | cna_get_firmware_buf(struct pci_dev *pdev) |
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| 49 | { |
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| 50 | if (pdev->device == BFA_PCI_DEVICE_ID_CT2) { |
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| 51 | if (bfi_image_ct2_cna_size == 0) |
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| 52 | cna_read_firmware(pdev, bfi_image: &bfi_image_ct2_cna, |
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| 53 | bfi_image_size: &bfi_image_ct2_cna_size, CNA_FW_FILE_CT2); |
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| 54 | return bfi_image_ct2_cna; |
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| 55 | } else if (bfa_asic_id_ct(pdev->device)) { |
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| 56 | if (bfi_image_ct_cna_size == 0) |
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| 57 | cna_read_firmware(pdev, bfi_image: &bfi_image_ct_cna, |
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| 58 | bfi_image_size: &bfi_image_ct_cna_size, CNA_FW_FILE_CT); |
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| 59 | return bfi_image_ct_cna; |
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| 60 | } |
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| 61 | |
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| 62 | return NULL; |
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| 63 | } |
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| 64 | |
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| 65 | u32 * |
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| 66 | bfa_cb_image_get_chunk(enum bfi_asic_gen asic_gen, u32 off) |
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| 67 | { |
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| 68 | switch (asic_gen) { |
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| 69 | case BFI_ASIC_GEN_CT: |
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| 70 | return (bfi_image_ct_cna + off); |
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| 71 | case BFI_ASIC_GEN_CT2: |
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| 72 | return (bfi_image_ct2_cna + off); |
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| 73 | default: |
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| 74 | return NULL; |
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| 75 | } |
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| 76 | } |
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| 77 | |
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| 78 | u32 |
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| 79 | bfa_cb_image_get_size(enum bfi_asic_gen asic_gen) |
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| 80 | { |
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| 81 | switch (asic_gen) { |
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| 82 | case BFI_ASIC_GEN_CT: |
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| 83 | return bfi_image_ct_cna_size; |
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| 84 | case BFI_ASIC_GEN_CT2: |
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| 85 | return bfi_image_ct2_cna_size; |
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| 86 | default: |
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| 87 | return 0; |
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| 88 | } |
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| 89 | } |
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| 90 | |
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