kopia lustrzana https://github.com/espressif/esp-idf
101 wiersze
2.6 KiB
C
101 wiersze
2.6 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_assert.h"
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#include "usb/usb_types_ch9.h"
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/*
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This header contains bare-bone mock implementations of the MSC SCSI class
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*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern const char *MSC_CLIENT_TAG;
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#define MOCK_MSC_SCSI_REQ_INIT_RESET(setup_pkt_ptr, intf_num) ({ \
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(setup_pkt_ptr)->bmRequestType = USB_BM_REQUEST_TYPE_DIR_OUT | USB_BM_REQUEST_TYPE_TYPE_CLASS | USB_BM_REQUEST_TYPE_RECIP_INTERFACE; \
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(setup_pkt_ptr)->bRequest = 0xFF; \
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(setup_pkt_ptr)->wValue = 0; \
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(setup_pkt_ptr)->wIndex = (intf_num); \
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(setup_pkt_ptr)->wLength = 0; \
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})
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typedef struct __attribute__((packed))
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{
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uint8_t opcode; //0x28 = read(10), 0x2A=write(10)
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uint8_t flags;
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uint8_t lba_3;
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uint8_t lba_2;
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uint8_t lba_1;
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uint8_t lba_0;
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uint8_t group;
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uint8_t len_1;
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uint8_t len_0;
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uint8_t control;
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} mock_scsi_cmd10_t;
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typedef struct __attribute__((packed))
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{
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uint32_t dCBWSignature;
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uint32_t dCBWTag;
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uint32_t dCBWDataTransferLength;
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uint8_t bmCBWFlags;
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uint8_t bCBWLUN;
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uint8_t bCBWCBLength;
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mock_scsi_cmd10_t CBWCB;
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uint8_t padding[6];
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} mock_msc_bulk_cbw_t;
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// USB Bulk Transfer Command Status Wrapper data
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typedef struct __attribute__((packed))
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{
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uint32_t dCSWSignature;
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uint32_t dCSWTag;
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uint32_t dCSWDataResidue;
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uint8_t bCSWStatus;
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} mock_msc_bulk_csw_t;
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/**
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* @brief Initialize a MSC Command Block Wrapper (CBW) as an SCSI command
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*
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* @param[in] cbw CBW structure
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* @param[in] is_read Is a read command
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* @param[in] offset Block offset
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* @param[in] num_sectors Number of sectors to read
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* @param[in] sector_size Size of each sector in bytes
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* @param[in] tag Tag (this is simply echoed back
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*/
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void mock_msc_scsi_init_cbw(mock_msc_bulk_cbw_t *cbw,
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bool is_read,
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unsigned int offset,
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unsigned int num_sectors,
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unsigned int sector_size,
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uint32_t tag);
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/**
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* @brief Check that returned Command Status Wrapper (CSW) is valid
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*
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* @param[in] csw CSW structure
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* @param[in] tag_expect Expected tag
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* @return True if CSW is valid, false otherwise
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*/
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bool mock_msc_scsi_check_csw(mock_msc_bulk_csw_t *csw, uint32_t tag_expect);
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/**
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* @brief Construct configuration and string descriptors
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*/
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void mock_msc_scsi_init_reference_descriptors(void);
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#ifdef __cplusplus
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}
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#endif
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