[S390] cio: Add chsc subchannel driver.

[safe/jmp/linux-2.6] / drivers / s390 / cio / chsc.h

diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h
index 44e4b4b..fb6c4d6 100644 (file)
--- a/drivers/s390/cio/chsc.h
+++ b/drivers/s390/cio/chsc.h
@@ -1,16 +1,28 @@
 #ifndef S390_CHSC_H
 #define S390_CHSC_H
 
-#define CHSC_SEI_ACC_CHPID        1
-#define CHSC_SEI_ACC_LINKADDR     2
-#define CHSC_SEI_ACC_FULLLINKADDR 3
+#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;
@@ -21,25 +33,19 @@ struct channel_path_desc {
        u8 zeroes;
        u8 chla;
        u8 chpp;
-};
+} __attribute__ ((packed));
 
-struct channel_path {
-       int id;
-       int state;
-       struct channel_path_desc desc;
-       struct device dev;
-};
-
-extern void s390_process_css( void );
-extern void chsc_validate_chpids(struct subchannel *);
-extern void chpid_is_actually_online(int);
+struct channel_path;
 
 struct css_general_char {
-       u64 : 41;
+       u64 : 12;
+       u32 dynio : 1;   /* bit 12 */
+       u32 : 28;
        u32 aif : 1;     /* bit 41 */
        u32 : 3;
        u32 mcss : 1;    /* bit 45 */
-       u32 : 2;
+       u32 fcs : 1;     /* bit 46 */
+       u32 : 1;
        u32 ext_mb : 1;  /* bit 48 */
        u32 : 7;
        u32 aif_tdd : 1; /* bit 56 */
@@ -47,12 +53,20 @@ struct css_general_char {
        u32 qebsm : 1;   /* bit 58 */
        u32 : 8;
        u32 aif_osa : 1; /* bit 67 */
-       u32 : 28;
+       u32 : 14;
+       u32 cib : 1;     /* bit 82 */
+       u32 : 5;
+       u32 fcx : 1;     /* bit 88 */
+       u32 : 7;
 }__attribute__((packed));
 
 struct css_chsc_char {
        u64 res;
-       u64 : 43;
+       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;
@@ -61,13 +75,30 @@ struct css_chsc_char {
 extern struct css_general_char css_general_characteristics;
 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];
+};
+extern int chsc_get_ssd_info(struct subchannel_id schid,
+                            struct chsc_ssd_info *ssd);
 extern int chsc_determine_css_characteristics(void);
-extern int css_characteristics_avail;
-
-extern void *chsc_get_chp_desc(struct subchannel*, int);
+extern int chsc_alloc_sei_area(void);
+extern void chsc_free_sei_area(void);
 
 extern int chsc_enable_facility(int);
+struct channel_subsystem;
+extern int chsc_secm(struct channel_subsystem *, int);
 
-#define to_channelpath(dev) container_of(dev, struct channel_path, dev)
+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,
+                                    struct chsc_response_struct *resp);
+int chsc_determine_base_channel_path_desc(struct chp_id chpid,
+                                         struct channel_path_desc *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);
 
 #endif