diff options
author | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
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committer | Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com> | 2023-10-10 11:40:56 +0000 |
commit | e02cda008591317b1625707ff8e115a4841aa889 (patch) | |
tree | aee302e3cf8b59ec2d32ec481be3d1afddfc8968 /include/hw/sd/sdcard_legacy.h | |
parent | cc668e6b7e0ffd8c9d130513d12053cf5eda1d3b (diff) |
Introduce Virtio-loopback epsilon release:
Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.
Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9
Diffstat (limited to 'include/hw/sd/sdcard_legacy.h')
-rw-r--r-- | include/hw/sd/sdcard_legacy.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/include/hw/sd/sdcard_legacy.h b/include/hw/sd/sdcard_legacy.h new file mode 100644 index 000000000..0dc388955 --- /dev/null +++ b/include/hw/sd/sdcard_legacy.h @@ -0,0 +1,50 @@ +/* + * SD Memory Card emulation (deprecated legacy API) + * + * Copyright (c) 2006 Andrzej Zaborowski <balrog@zabor.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, + * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A + * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ +#ifndef HW_SDCARD_LEGACY_H +#define HW_SDCARD_LEGACY_H + +#include "hw/sd/sd.h" + +/* Legacy functions to be used only by non-qdevified callers */ +SDState *sd_init(BlockBackend *blk, bool is_spi); +int sd_do_command(SDState *card, SDRequest *request, uint8_t *response); +void sd_write_byte(SDState *card, uint8_t value); +uint8_t sd_read_byte(SDState *card); +void sd_set_cb(SDState *card, qemu_irq readonly, qemu_irq insert); + +/* sd_enable should not be used -- it is only used on the nseries boards, + * where it is part of a broken implementation of the MMC card slot switch + * (there should be two card slots which are multiplexed to a single MMC + * controller, but instead we model it with one card and controller and + * disable the card when the second slot is selected, so it looks like the + * second slot is always empty). + */ +void sd_enable(SDState *card, bool enable); + +#endif /* HW_SDCARD_LEGACY_H */ |