Message ID | 20181028124004.30494-2-liq3ea@163.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | test: fw_cfg: add reboot-timeout test case | expand |
Hi Li, On 28/10/18 13:40, Li Qiang wrote: > This is useful to write qtest abount fw_cfg file entry. > > Signed-off-by: Li Qiang <liq3ea@163.com> > --- > tests/libqos/fw_cfg.c | 30 ++++++++++++++++++++++++++++++ > tests/libqos/fw_cfg.h | 2 ++ > 2 files changed, 32 insertions(+) > > diff --git a/tests/libqos/fw_cfg.c b/tests/libqos/fw_cfg.c > index d0889d1e22..2dd7a498ab 100644 > --- a/tests/libqos/fw_cfg.c > +++ b/tests/libqos/fw_cfg.c > @@ -16,6 +16,7 @@ > #include "libqos/fw_cfg.h" > #include "libqtest.h" > #include "qemu/bswap.h" > +#include "standard-headers/linux/qemu_fw_cfg.h" > > void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key) > { > @@ -54,6 +55,35 @@ uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key) > return le64_to_cpu(value); > } > Can this return size_t the size of the file? So qfw_cfg_get_file(..., buflen=0) returns the file size. > +void 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; > + uint32_t dsize; > + struct fw_cfg_file *p; 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_malloc0(dsize); > + qfw_cfg_get(fw_cfg, FW_CFG_FILE_DIR, filesbuf, dsize); > + p = (struct fw_cfg_file *)(filesbuf + 4); > + for (i = 0; i < count; ++i, ++p) { > + if (!strcmp(p->name, filename)) { > + uint32_t len = be32_to_cpu(p->size); > + uint16_t sel = be16_to_cpu(p->select); > + void *buf = g_malloc0(len); Why call malloc() here? > + qfw_cfg_get(fw_cfg, sel, buf, len); And not copy directly to 'data': filesize = len; if (len > buflen) { len = buflen; } qfw_cfg_get(fw_cfg, sel, data, len); > + memcpy(data, buf, buflen); > + g_free(buf); Dropping 2 previous lines. > + break; > + } > + } > + g_free(filesbuf); return filesize; > +} > + > static void mm_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key) > { > qtest_writew(fw_cfg->qts, fw_cfg->base, key); > diff --git a/tests/libqos/fw_cfg.h b/tests/libqos/fw_cfg.h > index 0353416af0..50e4227638 100644 > --- a/tests/libqos/fw_cfg.h > +++ b/tests/libqos/fw_cfg.h > @@ -31,6 +31,8 @@ void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len); > uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key); > uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key); > uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key); > +void qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename, > + void *data, size_t buflen); > > QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base); > QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base); >
Hello Philippe, Thanks for your review, I will send v2 later. Thanks. Li Qiang 在 2018/10/30 7:46, Philippe Mathieu-Daudé 写道: > Hi Li, > > On 28/10/18 13:40, Li Qiang wrote: >> This is useful to write qtest abount fw_cfg file entry. >> >> Signed-off-by: Li Qiang <liq3ea@163.com> >> --- >> tests/libqos/fw_cfg.c | 30 ++++++++++++++++++++++++++++++ >> tests/libqos/fw_cfg.h | 2 ++ >> 2 files changed, 32 insertions(+) >> >> diff --git a/tests/libqos/fw_cfg.c b/tests/libqos/fw_cfg.c >> index d0889d1e22..2dd7a498ab 100644 >> --- a/tests/libqos/fw_cfg.c >> +++ b/tests/libqos/fw_cfg.c >> @@ -16,6 +16,7 @@ >> #include "libqos/fw_cfg.h" >> #include "libqtest.h" >> #include "qemu/bswap.h" >> +#include "standard-headers/linux/qemu_fw_cfg.h" >> void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key) >> { >> @@ -54,6 +55,35 @@ uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t >> key) >> return le64_to_cpu(value); >> } > > Can this return size_t the size of the file? > So qfw_cfg_get_file(..., buflen=0) returns the file size. > >> +void 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; >> + uint32_t dsize; >> + struct fw_cfg_file *p; > > 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_malloc0(dsize); >> + qfw_cfg_get(fw_cfg, FW_CFG_FILE_DIR, filesbuf, dsize); >> + p = (struct fw_cfg_file *)(filesbuf + 4); >> + for (i = 0; i < count; ++i, ++p) { >> + if (!strcmp(p->name, filename)) { >> + uint32_t len = be32_to_cpu(p->size); > > >> + uint16_t sel = be16_to_cpu(p->select); >> + void *buf = g_malloc0(len); > > Why call malloc() here? > >> + qfw_cfg_get(fw_cfg, sel, buf, len); > > And not copy directly to 'data': > > filesize = len; > if (len > buflen) { > len = buflen; > } > qfw_cfg_get(fw_cfg, sel, data, len); > >> + memcpy(data, buf, buflen); >> + g_free(buf); > > Dropping 2 previous lines. > >> + break; >> + } >> + } >> + g_free(filesbuf); > > return filesize; > >> +} >> + >> static void mm_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key) >> { >> qtest_writew(fw_cfg->qts, fw_cfg->base, key); >> diff --git a/tests/libqos/fw_cfg.h b/tests/libqos/fw_cfg.h >> index 0353416af0..50e4227638 100644 >> --- a/tests/libqos/fw_cfg.h >> +++ b/tests/libqos/fw_cfg.h >> @@ -31,6 +31,8 @@ void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void >> *data, size_t len); >> uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key); >> uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key); >> uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key); >> +void qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename, >> + void *data, size_t buflen); >> QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base); >> QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base); >> >
diff --git a/tests/libqos/fw_cfg.c b/tests/libqos/fw_cfg.c index d0889d1e22..2dd7a498ab 100644 --- a/tests/libqos/fw_cfg.c +++ b/tests/libqos/fw_cfg.c @@ -16,6 +16,7 @@ #include "libqos/fw_cfg.h" #include "libqtest.h" #include "qemu/bswap.h" +#include "standard-headers/linux/qemu_fw_cfg.h" void qfw_cfg_select(QFWCFG *fw_cfg, uint16_t key) { @@ -54,6 +55,35 @@ uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key) return le64_to_cpu(value); } +void 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; + uint32_t dsize; + struct fw_cfg_file *p; + + 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_malloc0(dsize); + qfw_cfg_get(fw_cfg, FW_CFG_FILE_DIR, filesbuf, dsize); + p = (struct fw_cfg_file *)(filesbuf + 4); + for (i = 0; i < count; ++i, ++p) { + if (!strcmp(p->name, filename)) { + uint32_t len = be32_to_cpu(p->size); + uint16_t sel = be16_to_cpu(p->select); + void *buf = g_malloc0(len); + qfw_cfg_get(fw_cfg, sel, buf, len); + memcpy(data, buf, buflen); + g_free(buf); + break; + } + } + g_free(filesbuf); +} + static void mm_fw_cfg_select(QFWCFG *fw_cfg, uint16_t key) { qtest_writew(fw_cfg->qts, fw_cfg->base, key); diff --git a/tests/libqos/fw_cfg.h b/tests/libqos/fw_cfg.h index 0353416af0..50e4227638 100644 --- a/tests/libqos/fw_cfg.h +++ b/tests/libqos/fw_cfg.h @@ -31,6 +31,8 @@ void qfw_cfg_get(QFWCFG *fw_cfg, uint16_t key, void *data, size_t len); uint16_t qfw_cfg_get_u16(QFWCFG *fw_cfg, uint16_t key); uint32_t qfw_cfg_get_u32(QFWCFG *fw_cfg, uint16_t key); uint64_t qfw_cfg_get_u64(QFWCFG *fw_cfg, uint16_t key); +void qfw_cfg_get_file(QFWCFG *fw_cfg, const char *filename, + void *data, size_t buflen); QFWCFG *mm_fw_cfg_init(QTestState *qts, uint64_t base); QFWCFG *io_fw_cfg_init(QTestState *qts, uint16_t base);
This is useful to write qtest abount fw_cfg file entry. Signed-off-by: Li Qiang <liq3ea@163.com> --- tests/libqos/fw_cfg.c | 30 ++++++++++++++++++++++++++++++ tests/libqos/fw_cfg.h | 2 ++ 2 files changed, 32 insertions(+)