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-rw-r--r--include/asm-s390/Kbuild3
-rw-r--r--include/asm-s390/chpid.h5
-rw-r--r--include/asm-s390/chsc.h127
-rw-r--r--include/asm-s390/isc.h1
-rw-r--r--include/asm-s390/schid.h28
5 files changed, 163 insertions, 1 deletions
diff --git a/include/asm-s390/Kbuild b/include/asm-s390/Kbuild
index 13c9805349f..09f312501eb 100644
--- a/include/asm-s390/Kbuild
+++ b/include/asm-s390/Kbuild
@@ -8,6 +8,9 @@ header-y += ucontext.h
header-y += vtoc.h
header-y += zcrypt.h
header-y += kvm.h
+header-y += schid.h
+header-y += chsc.h
unifdef-y += cmb.h
unifdef-y += debug.h
+unifdef-y += chpid.h
diff --git a/include/asm-s390/chpid.h b/include/asm-s390/chpid.h
index b203336fd89..606844d0a5c 100644
--- a/include/asm-s390/chpid.h
+++ b/include/asm-s390/chpid.h
@@ -10,7 +10,6 @@
#include <linux/string.h>
#include <asm/types.h>
-#include <asm/cio.h>
#define __MAX_CHPID 255
@@ -41,6 +40,9 @@ static inline void chp_id_next(struct chp_id *chpid)
}
}
+#ifdef __KERNEL__
+#include <asm/cio.h>
+
static inline int chp_id_is_valid(struct chp_id *chpid)
{
return (chpid->cssid <= __MAX_CSSID);
@@ -49,5 +51,6 @@ static inline int chp_id_is_valid(struct chp_id *chpid)
#define chp_id_for_each(c) \
for (chp_id_init(c); chp_id_is_valid(c); chp_id_next(c))
+#endif /* __KERNEL */
#endif /* _ASM_S390_CHPID_H */
diff --git a/include/asm-s390/chsc.h b/include/asm-s390/chsc.h
new file mode 100644
index 00000000000..d38d0cf62d4
--- /dev/null
+++ b/include/asm-s390/chsc.h
@@ -0,0 +1,127 @@
+/*
+ * ioctl interface for /dev/chsc
+ *
+ * Copyright 2008 IBM Corp.
+ * Author(s): Cornelia Huck <cornelia.huck@de.ibm.com>
+ */
+
+#ifndef _ASM_CHSC_H
+#define _ASM_CHSC_H
+
+#include <asm/chpid.h>
+#include <asm/schid.h>
+
+struct chsc_async_header {
+ __u16 length;
+ __u16 code;
+ __u32 cmd_dependend;
+ __u32 key : 4;
+ __u32 : 28;
+ struct subchannel_id sid;
+} __attribute__ ((packed));
+
+struct chsc_async_area {
+ struct chsc_async_header header;
+ __u8 data[PAGE_SIZE - 16 /* size of chsc_async_header */];
+} __attribute__ ((packed));
+
+
+struct chsc_response_struct {
+ __u16 length;
+ __u16 code;
+ __u32 parms;
+ __u8 data[PAGE_SIZE - 8];
+} __attribute__ ((packed));
+
+struct chsc_chp_cd {
+ struct chp_id chpid;
+ int m;
+ int fmt;
+ struct chsc_response_struct cpcb;
+};
+
+struct chsc_cu_cd {
+ __u16 cun;
+ __u8 cssid;
+ int m;
+ int fmt;
+ struct chsc_response_struct cucb;
+};
+
+struct chsc_sch_cud {
+ struct subchannel_id schid;
+ int fmt;
+ struct chsc_response_struct scub;
+};
+
+struct conf_id {
+ int m;
+ __u8 cssid;
+ __u8 ssid;
+};
+
+struct chsc_conf_info {
+ struct conf_id id;
+ int fmt;
+ struct chsc_response_struct scid;
+};
+
+struct ccl_parm_chpid {
+ int m;
+ struct chp_id chp;
+};
+
+struct ccl_parm_cssids {
+ __u8 f_cssid;
+ __u8 l_cssid;
+};
+
+struct chsc_comp_list {
+ struct {
+ enum {
+ CCL_CU_ON_CHP = 1,
+ CCL_CHP_TYPE_CAP = 2,
+ CCL_CSS_IMG = 4,
+ CCL_CSS_IMG_CONF_CHAR = 5,
+ CCL_IOP_CHP = 6,
+ } ctype;
+ int fmt;
+ struct ccl_parm_chpid chpid;
+ struct ccl_parm_cssids cssids;
+ } req;
+ struct chsc_response_struct sccl;
+};
+
+struct chsc_dcal {
+ struct {
+ enum {
+ DCAL_CSS_IID_PN = 4,
+ } atype;
+ __u32 list_parm[2];
+ int fmt;
+ } req;
+ struct chsc_response_struct sdcal;
+};
+
+struct chsc_cpd_info {
+ struct chp_id chpid;
+ int m;
+ int fmt;
+ int rfmt;
+ int c;
+ struct chsc_response_struct chpdb;
+};
+
+#define CHSC_IOCTL_MAGIC 'c'
+
+#define CHSC_START _IOWR(CHSC_IOCTL_MAGIC, 0x81, struct chsc_async_area)
+#define CHSC_INFO_CHANNEL_PATH _IOWR(CHSC_IOCTL_MAGIC, 0x82, \
+ struct chsc_chp_cd)
+#define CHSC_INFO_CU _IOWR(CHSC_IOCTL_MAGIC, 0x83, struct chsc_cu_cd)
+#define CHSC_INFO_SCH_CU _IOWR(CHSC_IOCTL_MAGIC, 0x84, struct chsc_sch_cud)
+#define CHSC_INFO_CI _IOWR(CHSC_IOCTL_MAGIC, 0x85, struct chsc_conf_info)
+#define CHSC_INFO_CCL _IOWR(CHSC_IOCTL_MAGIC, 0x86, struct chsc_comp_list)
+#define CHSC_INFO_CPD _IOWR(CHSC_IOCTL_MAGIC, 0x87, struct chsc_cpd_info)
+#define CHSC_INFO_DCAL _IOWR(CHSC_IOCTL_MAGIC, 0x88, struct chsc_dcal)
+
+#endif
diff --git a/include/asm-s390/isc.h b/include/asm-s390/isc.h
index fe56f7b445e..34bb8916db4 100644
--- a/include/asm-s390/isc.h
+++ b/include/asm-s390/isc.h
@@ -14,6 +14,7 @@
/* Regular I/O interrupts. */
#define IO_SCH_ISC 3 /* regular I/O subchannels */
#define CONSOLE_ISC 1 /* console I/O subchannel */
+#define CHSC_SCH_ISC 7 /* CHSC subchannels */
/* Adapter interrupts. */
#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */
diff --git a/include/asm-s390/schid.h b/include/asm-s390/schid.h
new file mode 100644
index 00000000000..5017ffa78e0
--- /dev/null
+++ b/include/asm-s390/schid.h
@@ -0,0 +1,28 @@
+#ifndef ASM_SCHID_H
+#define ASM_SCHID_H
+
+struct subchannel_id {
+ __u32 cssid : 8;
+ __u32 : 4;
+ __u32 m : 1;
+ __u32 ssid : 2;
+ __u32 one : 1;
+ __u32 sch_no : 16;
+} __attribute__ ((packed, aligned(4)));
+
+
+/* Helper function for sane state of pre-allocated subchannel_id. */
+static inline void
+init_subchannel_id(struct subchannel_id *schid)
+{
+ memset(schid, 0, sizeof(struct subchannel_id));
+ schid->one = 1;
+}
+
+static inline int
+schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2)
+{
+ return !memcmp(schid1, schid2, sizeof(struct subchannel_id));
+}
+
+#endif /* ASM_SCHID_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 03:30:14 +0000