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-rw-r--r--src/basic/MurmurHash2.c2
-rw-r--r--src/basic/architecture.h16
-rw-r--r--src/basic/calendarspec.c2
-rw-r--r--src/basic/cgroup-util.c2
-rw-r--r--src/basic/io-util.h2
-rw-r--r--src/basic/list.h14
-rw-r--r--src/basic/log.h2
-rw-r--r--src/basic/macro.h2
-rw-r--r--src/basic/parse-util.c2
-rw-r--r--src/basic/signal-util.h8
-rw-r--r--src/basic/stdio-util.h2
-rw-r--r--src/basic/virt.c72
12 files changed, 81 insertions, 45 deletions
diff --git a/src/basic/MurmurHash2.c b/src/basic/MurmurHash2.c
index 2f4149dbe9..9020793930 100644
--- a/src/basic/MurmurHash2.c
+++ b/src/basic/MurmurHash2.c
@@ -50,7 +50,7 @@ uint32_t MurmurHash2 ( const void * key, int len, uint32_t seed )
const unsigned char * data = (const unsigned char *)key;
- while(len >= 4)
+ while (len >= 4)
{
uint32_t k = *(uint32_t*)data;
diff --git a/src/basic/architecture.h b/src/basic/architecture.h
index 63cf6fb703..c22cbc8279 100644
--- a/src/basic/architecture.h
+++ b/src/basic/architecture.h
@@ -77,12 +77,10 @@ int uname_architecture(void);
#if defined(__x86_64__)
# define native_architecture() ARCHITECTURE_X86_64
# define LIB_ARCH_TUPLE "x86_64-linux-gnu"
-# define PROC_CPUINFO_MODEL "model name"
# define SECONDARY_ARCHITECTURE ARCHITECTURE_X86
#elif defined(__i386__)
# define native_architecture() ARCHITECTURE_X86
# define LIB_ARCH_TUPLE "i386-linux-gnu"
-# define PROC_CPUINFO_MODEL "model name"
#elif defined(__powerpc64__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_PPC64
@@ -93,7 +91,6 @@ int uname_architecture(void);
# define LIB_ARCH_TUPLE "powerpc64le-linux-gnu"
# define SECONDARY_ARCHITECTURE ARCHITECTURE_PPC_LE
# endif
-# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__powerpc__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_PPC
@@ -102,18 +99,15 @@ int uname_architecture(void);
# define native_architecture() ARCHITECTURE_PPC_LE
# error "Missing LIB_ARCH_TUPLE for PPCLE"
# endif
-# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__ia64__)
# define native_architecture() ARCHITECTURE_IA64
# define LIB_ARCH_TUPLE "ia64-linux-gnu"
#elif defined(__hppa64__)
# define native_architecture() ARCHITECTURE_PARISC64
# error "Missing LIB_ARCH_TUPLE for HPPA64"
-# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__hppa__)
# define native_architecture() ARCHITECTURE_PARISC
# define LIB_ARCH_TUPLE "hppa‑linux‑gnu"
-# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__s390x__)
# define native_architecture() ARCHITECTURE_S390X
# define LIB_ARCH_TUPLE "s390x-linux-gnu"
@@ -124,11 +118,9 @@ int uname_architecture(void);
#elif defined(__sparc64__)
# define native_architecture() ARCHITECTURE_SPARC64
# define LIB_ARCH_TUPLE "sparc64-linux-gnu"
-# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__sparc__)
# define native_architecture() ARCHITECTURE_SPARC
# define LIB_ARCH_TUPLE "sparc-linux-gnu"
-# define PROC_CPUINFO_MODEL "cpu"
#elif defined(__mips64__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_MIPS64
@@ -137,7 +129,6 @@ int uname_architecture(void);
# define native_architecture() ARCHITECTURE_MIPS64_LE
# error "Missing LIB_ARCH_TUPLE for MIPS64_LE"
# endif
-# define PROC_CPUINFO_MODEL "cpu model"
#elif defined(__mips__)
# if __BYTE_ORDER == __BIG_ENDIAN
# define native_architecture() ARCHITECTURE_MIPS
@@ -146,7 +137,6 @@ int uname_architecture(void);
# define native_architecture() ARCHITECTURE_MIPS_LE
# define LIB_ARCH_TUPLE "mipsel-linux-gnu"
# endif
-# define PROC_CPUINFO_MODEL "cpu model"
#elif defined(__alpha__)
# define native_architecture() ARCHITECTURE_ALPHA
# define LIB_ARCH_TUPLE "alpha-linux-gnu"
@@ -182,7 +172,6 @@ int uname_architecture(void);
# define LIB_ARCH_TUPLE "arm-linux-gnu"
# endif
# endif
-# define PROC_CPUINFO_MODEL "model name"
#elif defined(__sh64__)
# define native_architecture() ARCHITECTURE_SH64
# error "Missing LIB_ARCH_TUPLE for SH64"
@@ -202,10 +191,5 @@ int uname_architecture(void);
# error "Please register your architecture here!"
#endif
-#ifndef PROC_CPUINFO_MODEL
-#warning "PROC_CPUINFO_MODEL not defined for your architecture"
-#define PROC_CPUINFO_MODEL "model name"
-#endif
-
const char *architecture_to_string(int a) _const_;
int architecture_from_string(const char *s) _pure_;
diff --git a/src/basic/calendarspec.c b/src/basic/calendarspec.c
index b1f2a511f3..6e0bab9b94 100644
--- a/src/basic/calendarspec.c
+++ b/src/basic/calendarspec.c
@@ -114,7 +114,7 @@ static void sort_chain(CalendarComponent **c) {
static void fix_year(CalendarComponent *c) {
/* Turns 12 → 2012, 89 → 1989 */
- while(c) {
+ while (c) {
CalendarComponent *n = c->next;
if (c->value >= 0 && c->value < 70)
diff --git a/src/basic/cgroup-util.c b/src/basic/cgroup-util.c
index 6ef00d51df..56c1fcaab9 100644
--- a/src/basic/cgroup-util.c
+++ b/src/basic/cgroup-util.c
@@ -1248,7 +1248,7 @@ int cg_pid_get_path_shifted(pid_t pid, const char *root, char **cgroup) {
return 0;
}
-int cg_path_decode_unit(const char *cgroup, char **unit){
+int cg_path_decode_unit(const char *cgroup, char **unit) {
char *c, *s;
size_t n;
diff --git a/src/basic/io-util.h b/src/basic/io-util.h
index 142c940d92..4684ed3bfc 100644
--- a/src/basic/io-util.h
+++ b/src/basic/io-util.h
@@ -46,7 +46,7 @@ ssize_t sparse_write(int fd, const void *p, size_t sz, size_t run_length);
char *_s = (char *)(s); \
_i->iov_base = _s; \
_i->iov_len = strlen(_s); \
- } while(false)
+ } while (false)
static inline size_t IOVEC_TOTAL_SIZE(const struct iovec *i, unsigned n) {
unsigned j;
diff --git a/src/basic/list.h b/src/basic/list.h
index c68185f587..5962aa4211 100644
--- a/src/basic/list.h
+++ b/src/basic/list.h
@@ -32,7 +32,7 @@
#define LIST_HEAD_INIT(head) \
do { \
(head) = NULL; } \
- while(false)
+ while (false)
/* Initialize a list item */
#define LIST_INIT(name,item) \
@@ -40,7 +40,7 @@
typeof(*(item)) *_item = (item); \
assert(_item); \
_item->name##_prev = _item->name##_next = NULL; \
- } while(false)
+ } while (false)
/* Prepend an item to the list */
#define LIST_PREPEND(name,head,item) \
@@ -51,7 +51,7 @@
_item->name##_next->name##_prev = _item; \
_item->name##_prev = NULL; \
*_head = _item; \
- } while(false)
+ } while (false)
/* Append an item to the list */
#define LIST_APPEND(name,head,item) \
@@ -59,7 +59,7 @@
typeof(*(head)) *_tail; \
LIST_FIND_TAIL(name,head,_tail); \
LIST_INSERT_AFTER(name,head,_tail,item); \
- } while(false)
+ } while (false)
/* Remove an item from the list */
#define LIST_REMOVE(name,head,item) \
@@ -75,7 +75,7 @@
*_head = _item->name##_next; \
} \
_item->name##_next = _item->name##_prev = NULL; \
- } while(false)
+ } while (false)
/* Find the head of the list */
#define LIST_FIND_HEAD(name,item,head) \
@@ -119,7 +119,7 @@
_b->name##_prev = _a; \
_a->name##_next = _b; \
} \
- } while(false)
+ } while (false)
/* Insert an item before another one (a = where, b = what) */
#define LIST_INSERT_BEFORE(name,head,a,b) \
@@ -145,7 +145,7 @@
_b->name##_next = _a; \
_a->name##_prev = _b; \
} \
- } while(false)
+ } while (false)
#define LIST_JUST_US(name,item) \
(!(item)->name##_prev && !(item)->name##_next) \
diff --git a/src/basic/log.h b/src/basic/log.h
index 60ddead74c..f9fb1742a1 100644
--- a/src/basic/log.h
+++ b/src/basic/log.h
@@ -193,7 +193,7 @@ void log_assert_failed_return(
#ifdef LOG_TRACE
# define log_trace(...) log_debug(__VA_ARGS__)
#else
-# define log_trace(...) do {} while(0)
+# define log_trace(...) do {} while (0)
#endif
/* Structured logging */
diff --git a/src/basic/macro.h b/src/basic/macro.h
index 2695d0edb7..ddf0968d1b 100644
--- a/src/basic/macro.h
+++ b/src/basic/macro.h
@@ -224,7 +224,7 @@ static inline unsigned long ALIGN_POWER2(unsigned long u) {
/* We override the glibc assert() here. */
#undef assert
#ifdef NDEBUG
-#define assert(expr) do {} while(false)
+#define assert(expr) do {} while (false)
#else
#define assert(expr) assert_message_se(expr, #expr)
#endif
diff --git a/src/basic/parse-util.c b/src/basic/parse-util.c
index a3cb81b040..6c11b605a9 100644
--- a/src/basic/parse-util.c
+++ b/src/basic/parse-util.c
@@ -505,7 +505,7 @@ int parse_fractional_part_u(const char **p, size_t digits, unsigned *res) {
s = *p;
/* accept any number of digits, strtoull is limted to 19 */
- for(i=0; i < digits; i++,s++) {
+ for (i=0; i < digits; i++,s++) {
if (*s < '0' || *s > '9') {
if (i == 0)
return -EINVAL;
diff --git a/src/basic/signal-util.h b/src/basic/signal-util.h
index 72b10e8712..a7322ff26a 100644
--- a/src/basic/signal-util.h
+++ b/src/basic/signal-util.h
@@ -44,9 +44,9 @@ static inline void block_signals_reset(sigset_t *ss) {
assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
}
-#define BLOCK_SIGNALS(...) \
- _cleanup_(block_signals_reset) sigset_t _saved_sigset = ({ \
- sigset_t t; \
+#define BLOCK_SIGNALS(...) \
+ _cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({ \
+ sigset_t t; \
assert_se(sigprocmask_many(SIG_BLOCK, &t, __VA_ARGS__, -1) >= 0); \
- t; \
+ t; \
})
diff --git a/src/basic/stdio-util.h b/src/basic/stdio-util.h
index 0a675571ff..bd1144b4c9 100644
--- a/src/basic/stdio-util.h
+++ b/src/basic/stdio-util.h
@@ -73,4 +73,4 @@ do { \
assert_not_reached("Unknown format string argument."); \
} \
} \
-} while(false)
+} while (false)
diff --git a/src/basic/virt.c b/src/basic/virt.c
index 79387007f0..e6c5a095a0 100644
--- a/src/basic/virt.c
+++ b/src/basic/virt.c
@@ -98,6 +98,8 @@ static int detect_vm_cpuid(void) {
: "0" (eax)
);
+ log_debug("Virtualization found, CPUID=%s", sig.text);
+
for (j = 0; j < ELEMENTSOF(cpuid_vendor_table); j ++)
if (streq(sig.text, cpuid_vendor_table[j].cpuid))
return cpuid_vendor_table[j].id;
@@ -105,6 +107,7 @@ static int detect_vm_cpuid(void) {
return VIRTUALIZATION_VM_OTHER;
}
#endif
+ log_debug("No virtualization found in CPUID");
return VIRTUALIZATION_NONE;
}
@@ -121,19 +124,25 @@ static int detect_vm_device_tree(void) {
dir = opendir("/proc/device-tree");
if (!dir) {
- if (errno == ENOENT)
+ if (errno == ENOENT) {
+ log_debug_errno(errno, "/proc/device-tree: %m");
return VIRTUALIZATION_NONE;
+ }
return -errno;
}
FOREACH_DIRENT(dent, dir, return -errno)
- if (strstr(dent->d_name, "fw-cfg"))
+ if (strstr(dent->d_name, "fw-cfg")) {
+ log_debug("Virtualization QEMU: \"fw-cfg\" present in /proc/device-tree/%s", dent->d_name);
return VIRTUALIZATION_QEMU;
+ }
+ log_debug("No virtualization found in /proc/device-tree/*");
return VIRTUALIZATION_NONE;
} else if (r < 0)
return r;
+ log_debug("Virtualization %s found in /proc/device-tree/hypervisor/compatible", hvtype);
if (streq(hvtype, "linux,kvm"))
return VIRTUALIZATION_KVM;
else if (strstr(hvtype, "xen"))
@@ -141,6 +150,7 @@ static int detect_vm_device_tree(void) {
else
return VIRTUALIZATION_VM_OTHER;
#else
+ log_debug("This platform does not support /proc/device-tree");
return VIRTUALIZATION_NONE;
#endif
}
@@ -184,23 +194,44 @@ static int detect_vm_dmi(void) {
return r;
}
+
+
for (j = 0; j < ELEMENTSOF(dmi_vendor_table); j++)
- if (startswith(s, dmi_vendor_table[j].vendor))
+ if (startswith(s, dmi_vendor_table[j].vendor)) {
+ log_debug("Virtualization %s found in DMI (%s)", s, dmi_vendors[i]);
return dmi_vendor_table[j].id;
+ }
}
#endif
+ log_debug("No virtualization found in DMI");
+
return VIRTUALIZATION_NONE;
}
static int detect_vm_xen(void) {
+ /* Check for Dom0 will be executed later in detect_vm_xen_dom0
+ Thats why we dont check the content of /proc/xen/capabilities here. */
+ if (access("/proc/xen/capabilities", F_OK) < 0) {
+ log_debug("Virtualization XEN not found, /proc/xen/capabilities does not exist");
+ return VIRTUALIZATION_NONE;
+ }
+
+ log_debug("Virtualization XEN found (/proc/xen/capabilities exists)");
+ return VIRTUALIZATION_XEN;
+
+}
+
+static bool detect_vm_xen_dom0(void) {
_cleanup_free_ char *domcap = NULL;
char *cap, *i;
int r;
r = read_one_line_file("/proc/xen/capabilities", &domcap);
- if (r == -ENOENT)
- return VIRTUALIZATION_NONE;
+ if (r == -ENOENT) {
+ log_debug("Virtualization XEN not found, /proc/xen/capabilities does not exist");
+ return false;
+ }
if (r < 0)
return r;
@@ -208,8 +239,13 @@ static int detect_vm_xen(void) {
while ((cap = strsep(&i, ",")))
if (streq(cap, "control_d"))
break;
+ if (!cap) {
+ log_debug("Virtualization XEN DomU found (/proc/xen/capabilites)");
+ return false;
+ }
- return cap ? VIRTUALIZATION_NONE : VIRTUALIZATION_XEN;
+ log_debug("Virtualization XEN Dom0 ignored (/proc/xen/capabilities)");
+ return true;
}
static int detect_vm_hypervisor(void) {
@@ -222,6 +258,8 @@ static int detect_vm_hypervisor(void) {
if (r < 0)
return r;
+ log_debug("Virtualization %s found in /sys/hypervisor/type", hvtype);
+
if (streq(hvtype, "xen"))
return VIRTUALIZATION_XEN;
else
@@ -236,9 +274,13 @@ static int detect_vm_uml(void) {
r = read_full_file("/proc/cpuinfo", &cpuinfo_contents, NULL);
if (r < 0)
return r;
- if (strstr(cpuinfo_contents, "\nvendor_id\t: User Mode Linux\n"))
+
+ if (strstr(cpuinfo_contents, "\nvendor_id\t: User Mode Linux\n")) {
+ log_debug("UML virtualization found in /proc/cpuinfo");
return VIRTUALIZATION_UML;
+ }
+ log_debug("No virtualization found in /proc/cpuinfo (%s)", cpuinfo_contents);
return VIRTUALIZATION_NONE;
}
@@ -254,11 +296,13 @@ static int detect_vm_zvm(void) {
if (r < 0)
return r;
+ log_debug("Virtualization %s found in /proc/sysinfo", t);
if (streq(t, "z/VM"))
return VIRTUALIZATION_ZVM;
else
return VIRTUALIZATION_KVM;
#else
+ log_debug("This platform does not support /proc/sysinfo");
return VIRTUALIZATION_NONE;
#endif
}
@@ -326,7 +370,14 @@ int detect_vm(void) {
return r;
finish:
+ /* x86 xen Dom0 is detected as XEN in hypervisor and maybe others.
+ * In order to detect the Dom0 as not virtualization we need to
+ * double-check it */
+ if (r == VIRTUALIZATION_XEN && detect_vm_xen_dom0())
+ r = VIRTUALIZATION_NONE;
+
cached_found = r;
+ log_debug("Found VM virtualization %s", virtualization_to_string(r));
return r;
}
@@ -414,6 +465,7 @@ int detect_container(void) {
r = VIRTUALIZATION_CONTAINER_OTHER;
finish:
+ log_debug("Found container virtualization %s", virtualization_to_string(r));
cached_found = r;
return r;
}
@@ -422,10 +474,10 @@ int detect_virtualization(void) {
int r;
r = detect_container();
- if (r != 0)
- return r;
+ if (r == 0)
+ r = detect_vm();
- return detect_vm();
+ return r;
}
int running_in_chroot(void) {