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7d6a243779
Change-Id: I3a8a8e59cbed871e0ecf953e547de56c0656e112 Signed-off-by: Anastasia Klimchuk <aklm@flashrom.org> Reviewed-on: https://review.coreboot.org/c/flashrom/+/89361 Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Peter Marheine <pmarheine@chromium.org> Reviewed-by: Antonio Vázquez Blanco <antoniovazquezblanco@gmail.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* SPDX-License-Identifier: GPL-2.0-only
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* SPDX-FileCopyrightText: 2021 Google LLC
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*/
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#include "lifecycle.h"
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#if CONFIG_LINUX_SPI == 1
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static int linux_spi_ioctl(void *state, int fd, unsigned long request, va_list args) {
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if (request == SPI_IOC_MESSAGE(2)) { /* ioctl code for read request */
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struct spi_ioc_transfer* msg = va_arg(args, struct spi_ioc_transfer*);
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/* First message has write array and write count */
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unsigned int writecnt = msg[0].len;
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unsigned char *writearr = (unsigned char *)(uintptr_t)msg[0].tx_buf;
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/* Second message has read array and read count */
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unsigned int readcnt = msg[1].len;
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/* Detect probing */
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if (writecnt == 1 && writearr[0] == JEDEC_RDID && readcnt == 3) {
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/* We need to populate read array. */
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unsigned char *readarr = (unsigned char *)(uintptr_t)msg[1].rx_buf;
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readarr[0] = 0xEF; /* WINBOND_NEX_ID */
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readarr[1] = 0x40; /* WINBOND_NEX_W25Q128_V left byte */
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readarr[2] = 0x18; /* WINBOND_NEX_W25Q128_V right byte */
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}
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}
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return 0;
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}
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static char *linux_spi_fgets(void *state, char *buf, int len, FILE *fp)
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{
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/* Emulate reading max buffer size from sysfs. */
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const char *max_buf_size = "1048576";
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return memcpy(buf, max_buf_size, min(len, strlen(max_buf_size) + 1));
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}
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void linux_spi_probe_lifecycle_test_success(void **state)
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{
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/*
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* Current implementation tests a particular path of the init procedure.
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* Specifically, it is reading the buffer size from sysfs.
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*/
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struct io_mock_fallback_open_state linux_spi_fallback_open_state = {
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.noc = 0,
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.paths = { "/dev/null", NULL },
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.flags = { O_RDWR },
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};
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const struct io_mock linux_spi_io = {
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.iom_fgets = linux_spi_fgets,
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.iom_ioctl = linux_spi_ioctl,
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.fallback_open_state = &linux_spi_fallback_open_state,
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};
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const char *expected_matched_names[1] = {"W25Q128.V"};
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run_probe_v2_lifecycle(state, &linux_spi_io, &programmer_linux_spi, "dev=/dev/null", "W25Q128.V",
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expected_matched_names, 1);
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}
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#else
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SKIP_TEST(linux_spi_probe_lifecycle_test_success)
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#endif /* CONFIG_LINUX_SPI */
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