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authorPeter Maydell <peter.maydell@linaro.org>2020-01-13 13:06:49 +0000
committerPeter Maydell <peter.maydell@linaro.org>2020-01-13 13:06:49 +0000
commit981c9b88e674408a1579ca3aa8d42770e3b689de (patch)
treef08bbcff5d0f240f057b5eedbbd200040f420902 /tests/qtest/libqos/fw_cfg.c
parentabd5f8bb9525d3ad6cdced2c9208ee0cf445d9e1 (diff)
parent22108f333d16cbfbd5808bb4f661c394b08fe698 (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.c164
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);
+}