patch-2.4.20 linux-2.4.20/include/asm-s390x/irq.h
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- Lines: 178
- Date:
Thu Nov 28 15:53:15 2002
- Orig file:
linux-2.4.19/include/asm-s390x/irq.h
- Orig date:
Fri Aug 2 17:39:45 2002
diff -urN linux-2.4.19/include/asm-s390x/irq.h linux-2.4.20/include/asm-s390x/irq.h
@@ -10,6 +10,7 @@
*/
#define __MAX_SUBCHANNELS 65536
#define NR_IRQS __MAX_SUBCHANNELS
+#define NR_CHPIDS 256
#define LPM_ANYPATH 0xff /* doesn't really belong here, Ingo? */
@@ -363,6 +364,93 @@
ciw_t ciw[MAX_CIWS]; /* variable # of CIWs */
} __attribute__ ((packed,aligned(4))) senseid_t;
+/*
+ * where we put the ssd info
+ */
+typedef struct _ssd_info {
+ __u8 valid:1;
+ __u8 type:7; /* subchannel type */
+ __u8 chpid[8]; /* chpids */
+ __u16 fla[8]; /* full link addresses */
+} __attribute__ ((packed)) ssd_info_t;
+
+/*
+ * area for store event information
+ */
+typedef struct chsc_area_t {
+ struct {
+ /* word 0 */
+ __u16 command_code1;
+ __u16 command_code2;
+ union {
+ struct {
+ /* word 1 */
+ __u32 reserved1;
+ /* word 2 */
+ __u32 reserved2;
+ } __attribute__ ((packed,aligned(8))) sei_req;
+ struct {
+ /* word 1 */
+ __u16 reserved1;
+ __u16 f_sch; /* first subchannel */
+ /* word 2 */
+ __u16 reserved2;
+ __u16 l_sch; /* last subchannel */
+ } __attribute__ ((packed,aligned(8))) ssd_req;
+ } request_block_data;
+ /* word 3 */
+ __u32 reserved3;
+ } __attribute__ ((packed,aligned(8))) request_block;
+ struct {
+ /* word 0 */
+ __u16 length;
+ __u16 response_code;
+ /* word 1 */
+ __u32 reserved1;
+ union {
+ struct {
+ /* word 2 */
+ __u8 flags;
+ __u8 vf; /* validity flags */
+ __u8 rs; /* reporting source */
+ __u8 cc; /* content code */
+ /* word 3 */
+ __u16 fla; /* full link address */
+ __u16 rsid; /* reporting source id */
+ /* word 4 */
+ __u32 reserved2;
+ /* word 5 */
+ __u32 reserved3;
+ /* word 6 */
+ __u32 ccdf; /* content-code dependent field */
+ /* word 7 */
+ __u32 reserved4;
+ /* word 8 */
+ __u32 reserved5;
+ /* word 9 */
+ __u32 reserved6;
+ } __attribute__ ((packed,aligned(8))) sei_res;
+ struct {
+ /* word 2 */
+ __u8 sch_valid : 1;
+ __u8 dev_valid : 1;
+ __u8 st : 3; /* subchannel type */
+ __u8 zeroes : 3;
+ __u8 unit_addr; /* unit address */
+ __u16 devno; /* device number */
+ /* word 3 */
+ __u8 path_mask;
+ __u8 fla_valid_mask;
+ __u16 sch; /* subchannel */
+ /* words 4-5 */
+ __u8 chpid[8]; /* chpids 0-7 */
+ /* words 6-9 */
+ __u16 fla[8]; /* full link addresses 0-7 */
+ } __attribute__ ((packed,aligned(8))) ssd_res;
+ } response_block_data;
+ } __attribute__ ((packed,aligned(8))) response_block;
+} __attribute__ ((packed,aligned(PAGE_SIZE))) chsc_area_t;
+
#endif /* __KERNEL__ */
/*
* sense data
@@ -409,12 +497,14 @@
#define DEVSTAT_PCI 0x00000200
#define DEVSTAT_SUSPENDED 0x00000400
#define DEVSTAT_UNKNOWN_DEV 0x00000800
+#define DEVSTAT_UNFRIENDLY_DEV 0x00001000
#define DEVSTAT_FINAL_STATUS 0x80000000
#define DEVINFO_NOT_OPER DEVSTAT_NOT_OPER
#define DEVINFO_UNKNOWN_DEV DEVSTAT_UNKNOWN_DEV
#define DEVINFO_DEVICE_OWNED DEVSTAT_DEVICE_OWNED
#define DEVINFO_QDIO_CAPABLE 0x40000000
+#define DEVINFO_UNFRIENDLY_DEV DEVSTAT_UNFRIENDLY_DEV
#define INTPARM_STATUS_PENDING 0xFFFFFFFF
#ifdef __KERNEL__
@@ -491,6 +581,7 @@
/* ... for suspended CCWs */
#define DOIO_TIMEOUT 0x0080 /* 3 secs. timeout for sync. I/O */
#define DOIO_DONT_CALL_INTHDLR 0x0100 /* don't call interrupt handler */
+#define DOIO_CANCEL_ON_TIMEOUT 0x0200 /* cancel I/O if it timed out */
/*
* do_IO()
@@ -562,6 +653,8 @@
int s390_DevicePathVerification( int irq, __u8 domask );
+int s390_trigger_resense(int irq);
+
int s390_request_irq_special( int irq,
io_handler_func_t io_handler,
not_oper_handler_func_t not_oper_handler,
@@ -738,6 +831,21 @@
return ccode;
}
+extern __inline__ int xsch(int irq)
+{
+ int ccode;
+
+ __asm__ __volatile__(
+ " lr 1,%1\n"
+ " .insn rre,0xb2760000,%1,0\n"
+ " ipm %0\n"
+ " srl %0,28"
+ : "=d" (ccode)
+ : "d" (irq | 0x10000L)
+ : "cc", "1" );
+ return ccode;
+}
+
extern __inline__ int iac( void)
{
int ccode;
@@ -801,6 +909,21 @@
return ccode;
}
+extern __inline__ int chsc( chsc_area_t * chsc_area)
+{
+ int cc;
+
+ __asm__ __volatile__ (
+ ".insn rre,0xb25f0000,%1,0 \n\t"
+ "ipm %0 \n\t"
+ "srl %0,28 \n\t"
+ : "=d" (cc)
+ : "d" (chsc_area)
+ : "cc" );
+
+ return cc;
+}
+
/*
* Various low-level irq details needed by irq.c, process.c,
* time.c, io_apic.c and smp.c
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