These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / scripts / mod / file2alias.c

diff --git a/kernel/scripts/mod/file2alias.c b/kernel/scripts/mod/file2alias.c
index 78691d5..5b96206 100644 (file)
--- a/kernel/scripts/mod/file2alias.c
+++ b/kernel/scripts/mod/file2alias.c
@@ -34,6 +34,9 @@ typedef Elf64_Addr    kernel_ulong_t;
 typedef uint32_t       __u32;
 typedef uint16_t       __u16;
 typedef unsigned char  __u8;
+typedef struct {
+       __u8 b[16];
+} uuid_le;
 
 /* Big exception to the "don't include kernel headers into userspace, which
  * even potentially has different endianness and word sizes, since
@@ -131,6 +134,17 @@ static inline void add_wildcard(char *str)
                strcat(str + len, "*");
 }
 
+static inline void add_uuid(char *str, uuid_le uuid)
+{
+       int len = strlen(str);
+
+       sprintf(str + len, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+               uuid.b[3], uuid.b[2], uuid.b[1], uuid.b[0],
+               uuid.b[5], uuid.b[4], uuid.b[7], uuid.b[6],
+               uuid.b[8], uuid.b[9], uuid.b[10], uuid.b[11],
+               uuid.b[12], uuid.b[13], uuid.b[14], uuid.b[15]);
+}
+
 /**
  * Check that sizeof(device_id type) are consistent with size of section
  * in .o file. If in-consistent then userspace and kernel does not agree
@@ -511,12 +525,40 @@ static int do_serio_entry(const char *filename,
 }
 ADD_TO_DEVTABLE("serio", serio_device_id, do_serio_entry);
 
-/* looks like: "acpi:ACPI0003 or acpi:PNP0C0B" or "acpi:LNXVIDEO" */
+/* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or
+ *             "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if)
+ *
+ * NOTE: Each driver should use one of the following : _HID, _CIDs
+ *       or _CLS. Also, bb, ss, and pp can be substituted with ??
+ *       as don't care byte.
+ */
 static int do_acpi_entry(const char *filename,
                        void *symval, char *alias)
 {
        DEF_FIELD_ADDR(symval, acpi_device_id, id);
-       sprintf(alias, "acpi*:%s:*", *id);
+       DEF_FIELD_ADDR(symval, acpi_device_id, cls);
+       DEF_FIELD_ADDR(symval, acpi_device_id, cls_msk);
+
+       if (id && strlen((const char *)*id))
+               sprintf(alias, "acpi*:%s:*", *id);
+       else if (cls) {
+               int i, byte_shift, cnt = 0;
+               unsigned int msk;
+
+               sprintf(&alias[cnt], "acpi*:");
+               cnt = 6;
+               for (i = 1; i <= 3; i++) {
+                       byte_shift = 8 * (3-i);
+                       msk = (*cls_msk >> byte_shift) & 0xFF;
+                       if (msk)
+                               sprintf(&alias[cnt], "%02x",
+                                       (*cls >> byte_shift) & 0xFF);
+                       else
+                               sprintf(&alias[cnt], "??");
+                       cnt += 2;
+               }
+               sprintf(&alias[cnt], ":*");
+       }
        return 1;
 }
 ADD_TO_DEVTABLE("acpi", acpi_device_id, do_acpi_entry);
@@ -1160,13 +1202,20 @@ static int do_cpu_entry(const char *filename, void *symval, char *alias)
 }
 ADD_TO_DEVTABLE("cpu", cpu_feature, do_cpu_entry);
 
-/* Looks like: mei:S */
+/* Looks like: mei:S:uuid:N:* */
 static int do_mei_entry(const char *filename, void *symval,
                        char *alias)
 {
        DEF_FIELD_ADDR(symval, mei_cl_device_id, name);
+       DEF_FIELD_ADDR(symval, mei_cl_device_id, uuid);
+       DEF_FIELD(symval, mei_cl_device_id, version);
 
-       sprintf(alias, MEI_CL_MODULE_PREFIX "%s", *name);
+       sprintf(alias, MEI_CL_MODULE_PREFIX);
+       sprintf(alias + strlen(alias), "%s:",  (*name)[0]  ? *name : "*");
+       add_uuid(alias, *uuid);
+       ADD(alias, ":", version != MEI_CL_VERSION_ANY, version);
+
+       strcat(alias, ":*");
 
        return 1;
 }
@@ -1192,6 +1241,36 @@ static int do_rio_entry(const char *filename,
 }
 ADD_TO_DEVTABLE("rapidio", rio_device_id, do_rio_entry);
 
+/* Looks like: ulpi:vNpN */
+static int do_ulpi_entry(const char *filename, void *symval,
+                        char *alias)
+{
+       DEF_FIELD(symval, ulpi_device_id, vendor);
+       DEF_FIELD(symval, ulpi_device_id, product);
+
+       sprintf(alias, "ulpi:v%04xp%04x", vendor, product);
+
+       return 1;
+}
+ADD_TO_DEVTABLE("ulpi", ulpi_device_id, do_ulpi_entry);
+
+/* Looks like: hdaudio:vNrNaN */
+static int do_hda_entry(const char *filename, void *symval, char *alias)
+{
+       DEF_FIELD(symval, hda_device_id, vendor_id);
+       DEF_FIELD(symval, hda_device_id, rev_id);
+       DEF_FIELD(symval, hda_device_id, api_version);
+
+       strcpy(alias, "hdaudio:");
+       ADD(alias, "v", vendor_id != 0, vendor_id);
+       ADD(alias, "r", rev_id != 0, rev_id);
+       ADD(alias, "a", api_version != 0, api_version);
+
+       add_wildcard(alias);
+       return 1;
+}
+ADD_TO_DEVTABLE("hdaudio", hda_device_id, do_hda_entry);
+
 /* Does namelen bytes of name exactly match the symbol? */
 static bool sym_is(const char *name, unsigned namelen, const char *symbol)
 {