zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/s390/cio/chsc.h b/ap/os/linux/linux-3.4.x/drivers/s390/cio/chsc.h
new file mode 100644
index 0000000..3f15b2a
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/drivers/s390/cio/chsc.h
@@ -0,0 +1,121 @@
+#ifndef S390_CHSC_H
+#define S390_CHSC_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <asm/chpid.h>
+#include <asm/chsc.h>
+#include <asm/schid.h>
+
+#define CHSC_SDA_OC_MSS 0x2
+
+struct chsc_header {
+ u16 length;
+ u16 code;
+} __attribute__ ((packed));
+
+#define NR_MEASUREMENT_CHARS 5
+struct cmg_chars {
+ u32 values[NR_MEASUREMENT_CHARS];
+} __attribute__ ((packed));
+
+#define NR_MEASUREMENT_ENTRIES 8
+struct cmg_entry {
+ u32 values[NR_MEASUREMENT_ENTRIES];
+} __attribute__ ((packed));
+
+struct channel_path_desc {
+ u8 flags;
+ u8 lsn;
+ u8 desc;
+ u8 chpid;
+ u8 swla;
+ u8 zeroes;
+ u8 chla;
+ u8 chpp;
+} __attribute__ ((packed));
+
+struct channel_path_desc_fmt1 {
+ u8 flags;
+ u8 lsn;
+ u8 desc;
+ u8 chpid;
+ u32:24;
+ u8 chpp;
+ u32 unused[3];
+ u16 mdc;
+ u16:13;
+ u8 r:1;
+ u8 s:1;
+ u8 f:1;
+ u32 zeros[2];
+} __attribute__ ((packed));
+
+struct channel_path;
+
+struct css_chsc_char {
+ u64 res;
+ u64 : 20;
+ u32 secm : 1; /* bit 84 */
+ u32 : 1;
+ u32 scmc : 1; /* bit 86 */
+ u32 : 20;
+ u32 scssc : 1; /* bit 107 */
+ u32 scsscf : 1; /* bit 108 */
+ u32 : 19;
+}__attribute__((packed));
+
+extern struct css_chsc_char css_chsc_characteristics;
+
+struct chsc_ssd_info {
+ u8 path_mask;
+ u8 fla_valid_mask;
+ struct chp_id chpid[8];
+ u16 fla[8];
+};
+
+struct chsc_scpd {
+ struct chsc_header request;
+ u32:2;
+ u32 m:1;
+ u32 c:1;
+ u32 fmt:4;
+ u32 cssid:8;
+ u32:4;
+ u32 rfmt:4;
+ u32 first_chpid:8;
+ u32:24;
+ u32 last_chpid:8;
+ u32 zeroes1;
+ struct chsc_header response;
+ u8 data[PAGE_SIZE - 20];
+} __attribute__ ((packed));
+
+
+extern int chsc_get_ssd_info(struct subchannel_id schid,
+ struct chsc_ssd_info *ssd);
+extern int chsc_determine_css_characteristics(void);
+extern int chsc_init(void);
+extern void chsc_init_cleanup(void);
+
+extern int chsc_enable_facility(int);
+struct channel_subsystem;
+extern int chsc_secm(struct channel_subsystem *, int);
+int __chsc_do_secm(struct channel_subsystem *css, int enable);
+
+int chsc_chp_vary(struct chp_id chpid, int on);
+int chsc_determine_channel_path_desc(struct chp_id chpid, int fmt, int rfmt,
+ int c, int m, void *page);
+int chsc_determine_base_channel_path_desc(struct chp_id chpid,
+ struct channel_path_desc *desc);
+int chsc_determine_fmt1_channel_path_desc(struct chp_id chpid,
+ struct channel_path_desc_fmt1 *desc);
+void chsc_chp_online(struct chp_id chpid);
+void chsc_chp_offline(struct chp_id chpid);
+int chsc_get_channel_measurement_chars(struct channel_path *chp);
+
+int chsc_error_from_response(int response);
+
+int chsc_siosl(struct subchannel_id schid);
+
+#endif