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author | Peter Maydell <peter.maydell@linaro.org> | 2020-01-13 13:06:49 +0000 |
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committer | Peter Maydell <peter.maydell@linaro.org> | 2020-01-13 13:06:49 +0000 |
commit | 981c9b88e674408a1579ca3aa8d42770e3b689de (patch) | |
tree | f08bbcff5d0f240f057b5eedbbd200040f420902 /tests/qtest/libqos/fw_cfg.c | |
parent | abd5f8bb9525d3ad6cdced2c9208ee0cf445d9e1 (diff) | |
parent | 22108f333d16cbfbd5808bb4f661c394b08fe698 (diff) |
Merge remote-tracking branch 'remotes/huth-gitlab/tags/pull-request-2020-01-12' into staging
* Move qtests into a separate directory
* Build index.html for docs
# gpg: Signature made Sun 12 Jan 2020 11:21:41 GMT
# gpg: using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* remotes/huth-gitlab/tags/pull-request-2020-01-12:
docs: build an index page for the HTML docs
tests/libqos: Move the libqos files under tests/qtest/
tests/Makefile: Move qtest-related settings to a separate Makefile.include
test: Move qtests to a separate directory
tests/Makefile: Separate unit test dependencies from qtest dependencies
tests/Makefile: Remove 'tests/' and '$(EXESUF)' from the check-qtest variables
tests/ptimer: Remove unnecessary inclusion of libqtest.h
tests/Makefile: test-char does not need libqtest
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'tests/qtest/libqos/fw_cfg.c')
-rw-r--r-- | tests/qtest/libqos/fw_cfg.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/tests/qtest/libqos/fw_cfg.c b/tests/qtest/libqos/fw_cfg.c new file mode 100644 index 0000000000..1f46258f96 --- /dev/null +++ b/tests/qtest/libqos/fw_cfg.c @@ -0,0 +1,164 @@ +/* + * libqos fw_cfg support + * + * Copyright IBM, Corp. 2012-2013 + * Copyright (C) 2013 Red Hat Inc. + * + * Authors: + * Anthony Liguori <aliguori@us.ibm.com> + * Markus Armbruster <armbru@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "libqos/fw_cfg.h" +#include "libqtest.h" +#include "qemu/bswap.h" +#include "hw/nvram/fw_cfg.h" + +void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key) +{ + fw_cfg->select(fw_cfg, key); +} + +void qfw_cfg_read_data(QFWCFG *fw_cfg, void *data, size_t len) +{ + fw_cfg->read(fw_cfg, data, len); +} + +void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len) +{ + qfw_cfg_select(fw_cfg, key); + qfw_cfg_read_data(fw_cfg, data, len); +} + +uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key) +{ + uint16_t value; + qfw_cfg_get(fw_cfg, key, &value, sizeof(value)); + return le16_to_cpu(value); +} + +uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key) +{ + uint32_t value; + qfw_cfg_get(fw_cfg, key, &value, sizeof(value)); + return le32_to_cpu(value); +} + +uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key) +{ + uint64_t value; + qfw_cfg_get(fw_cfg, key, &value, sizeof(value)); + return le64_to_cpu(value); +} + +static void mm_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key) +{ + qtest_writew(fw_cfg->qts, fw_cfg->base, key); +} + +/* + * The caller need check the return value. When the return value is + * nonzero, it means that some bytes have been transferred. + * + * If the fw_cfg file in question is smaller than the allocated & passed-in + * buffer, then the buffer has been populated only in part. + * + * If the fw_cfg file in question is larger than the passed-in + * buffer, then the return value explains how much room would have been + * necessary in total. And, while the caller's buffer has been fully + * populated, it has received only a starting slice of the fw_cfg file. + */ +size_t qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename, + void *data, size_t buflen) +{ + uint32_t count; + uint32_t i; + unsigned char *filesbuf = NULL; + size_t dsize; + FWCfgFile *pdir_entry; + size_t filesize = 0; + + qfw_cfg_get(fw_cfg, FW_CFG_FILE_DIR, &count, sizeof(count)); + count = be32_to_cpu(count); + dsize = sizeof(uint32_t) + count * sizeof(struct fw_cfg_file); + filesbuf = g_malloc(dsize); + qfw_cfg_get(fw_cfg, FW_CFG_FILE_DIR, filesbuf, dsize); + pdir_entry = (FWCfgFile *)(filesbuf + sizeof(uint32_t)); + for (i = 0; i < count; ++i, ++pdir_entry) { + if (!strcmp(pdir_entry->name, filename)) { + uint32_t len = be32_to_cpu(pdir_entry->size); + uint16_t sel = be16_to_cpu(pdir_entry->select); + filesize = len; + if (len > buflen) { + len = buflen; + } + qfw_cfg_get(fw_cfg, sel, data, len); + break; + } + } + g_free(filesbuf); + return filesize; +} + +static void mm_fw_cfg_read(QFWCFG *fw_cfg, void *data, size_t len) +{ + uint8_t *ptr = data; + int i; + + for (i = 0; i < len; i++) { + ptr[i] = qtest_readb(fw_cfg->qts, fw_cfg->base + 2); + } +} + +QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base) +{ + QFWCFG *fw_cfg = g_malloc0(sizeof(*fw_cfg)); + + fw_cfg->base = base; + fw_cfg->qts = qts; + fw_cfg->select = mm_fw_cfg_select; + fw_cfg->read = mm_fw_cfg_read; + + return fw_cfg; +} + +void mm_fw_cfg_uninit(QFWCFG *fw_cfg) +{ + g_free(fw_cfg); +} + +static void io_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key) +{ + qtest_outw(fw_cfg->qts, fw_cfg->base, key); +} + +static void io_fw_cfg_read(QFWCFG *fw_cfg, void *data, size_t len) +{ + uint8_t *ptr = data; + int i; + + for (i = 0; i < len; i++) { + ptr[i] = qtest_inb(fw_cfg->qts, fw_cfg->base + 1); + } +} + +QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base) +{ + QFWCFG *fw_cfg = g_malloc0(sizeof(*fw_cfg)); + + fw_cfg->base = base; + fw_cfg->qts = qts; + fw_cfg->select = io_fw_cfg_select; + fw_cfg->read = io_fw_cfg_read; + + return fw_cfg; +} + +void io_fw_cfg_uninit(QFWCFG *fw_cfg) +{ + g_free(fw_cfg); +} |