Clean up SCLP masks: introduce an sccb_mask_t to be used for SCLP event
masks instead of just unsigned int or uint32_t. This will allow later
to extend the mask with more ease.
Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
---
hw/char/sclpconsole-lm.c | 4 ++--
hw/char/sclpconsole.c | 4 ++--
hw/s390x/event-facility.c | 18 +++++++++---------
hw/s390x/sclpcpu.c | 4 ++--
hw/s390x/sclpquiesce.c | 4 ++--
include/hw/s390x/event-facility.h | 22 +++++++++++++---------
6 files changed, 30 insertions(+), 26 deletions(-)
diff --git a/hw/char/sclpconsole-lm.c b/hw/char/sclpconsole-lm.c
index c500bda..cc4d70a 100644
--- a/hw/char/sclpconsole-lm.c
+++ b/hw/char/sclpconsole-lm.c
@@ -102,12 +102,12 @@ static bool can_handle_event(uint8_t type)
return type == SCLP_EVENT_MESSAGE || type == SCLP_EVENT_PMSGCMD;
}
-static unsigned int send_mask(void)
+static sccb_mask_t send_mask(void)
{
return SCLP_EVENT_MASK_OP_CMD | SCLP_EVENT_MASK_PMSGCMD;
}
-static unsigned int receive_mask(void)
+static sccb_mask_t receive_mask(void)
{
return SCLP_EVENT_MASK_MSG | SCLP_EVENT_MASK_PMSGCMD;
}
diff --git a/hw/char/sclpconsole.c b/hw/char/sclpconsole.c
index d0265df..ec9db13 100644
--- a/hw/char/sclpconsole.c
+++ b/hw/char/sclpconsole.c
@@ -83,12 +83,12 @@ static bool can_handle_event(uint8_t type)
return type == SCLP_EVENT_ASCII_CONSOLE_DATA;
}
-static unsigned int send_mask(void)
+static sccb_mask_t send_mask(void)
{
return SCLP_EVENT_MASK_MSG_ASCII;
}
-static unsigned int receive_mask(void)
+static sccb_mask_t receive_mask(void)
{
return SCLP_EVENT_MASK_MSG_ASCII;
}
diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c
index 2414614..f6f28fd 100644
--- a/hw/s390x/event-facility.c
+++ b/hw/s390x/event-facility.c
@@ -30,7 +30,7 @@ struct SCLPEventFacility {
SysBusDevice parent_obj;
SCLPEventsBus sbus;
/* guest' receive mask */
- unsigned int receive_mask;
+ sccb_mask_t receive_mask;
/*
* when false, we keep the same broken, backwards compatible behaviour as
* before; when true, we implement the architecture correctly. Needed for
@@ -60,9 +60,9 @@ static bool event_pending(SCLPEventFacility *ef)
return false;
}
-static unsigned int get_host_send_mask(SCLPEventFacility *ef)
+static sccb_mask_t get_host_send_mask(SCLPEventFacility *ef)
{
- unsigned int mask;
+ sccb_mask_t mask;
BusChild *kid;
SCLPEventClass *child;
@@ -76,9 +76,9 @@ static unsigned int get_host_send_mask(SCLPEventFacility *ef)
return mask;
}
-static unsigned int get_host_receive_mask(SCLPEventFacility *ef)
+static sccb_mask_t get_host_receive_mask(SCLPEventFacility *ef)
{
- unsigned int mask;
+ sccb_mask_t mask;
BusChild *kid;
SCLPEventClass *child;
@@ -188,7 +188,7 @@ out:
}
static uint16_t handle_sccb_read_events(SCLPEventFacility *ef, SCCB *sccb,
- unsigned int mask)
+ sccb_mask_t mask)
{
uint16_t rc;
int slen;
@@ -241,8 +241,8 @@ static void copy_mask(uint8_t *dst, uint8_t *src, uint16_t dst_len,
static void read_event_data(SCLPEventFacility *ef, SCCB *sccb)
{
- unsigned int sclp_active_selection_mask;
- unsigned int sclp_cp_receive_mask;
+ sccb_mask_t sclp_active_selection_mask = 0;
+ sccb_mask_t sclp_cp_receive_mask;
ReadEventData *red = (ReadEventData *) sccb;
@@ -284,7 +284,7 @@ static void write_event_mask(SCLPEventFacility *ef, SCCB *sccb)
{
WriteEventMask *we_mask = (WriteEventMask *) sccb;
uint16_t mask_length = be16_to_cpu(we_mask->mask_length);
- uint32_t tmp_mask;
+ sccb_mask_t tmp_mask = 0;
if (!mask_length || (mask_length > SCLP_EVENT_MASK_LEN_MAX) ||
((mask_length != 4) && !ef->allow_all_mask_sizes)) {
diff --git a/hw/s390x/sclpcpu.c b/hw/s390x/sclpcpu.c
index 3ee890b..50c021b 100644
--- a/hw/s390x/sclpcpu.c
+++ b/hw/s390x/sclpcpu.c
@@ -37,12 +37,12 @@ void raise_irq_cpu_hotplug(void)
sclp_service_interrupt(0);
}
-static unsigned int send_mask(void)
+static sccb_mask_t send_mask(void)
{
return SCLP_EVENT_MASK_CONFIG_MGT_DATA;
}
-static unsigned int receive_mask(void)
+static sccb_mask_t receive_mask(void)
{
return 0;
}
diff --git a/hw/s390x/sclpquiesce.c b/hw/s390x/sclpquiesce.c
index 0241643..1c8f5c9 100644
--- a/hw/s390x/sclpquiesce.c
+++ b/hw/s390x/sclpquiesce.c
@@ -28,12 +28,12 @@ static bool can_handle_event(uint8_t type)
return type == SCLP_EVENT_SIGNAL_QUIESCE;
}
-static unsigned int send_mask(void)
+static sccb_mask_t send_mask(void)
{
return SCLP_EVENT_MASK_SIGNAL_QUIESCE;
}
-static unsigned int receive_mask(void)
+static sccb_mask_t receive_mask(void)
{
return 0;
}
diff --git a/include/hw/s390x/event-facility.h b/include/hw/s390x/event-facility.h
index 5119b9b..0a8b47a 100644
--- a/include/hw/s390x/event-facility.h
+++ b/include/hw/s390x/event-facility.h
@@ -28,12 +28,14 @@
#define SCLP_EVENT_SIGNAL_QUIESCE 0x1d
/* SCLP event masks */
-#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008
-#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040
-#define SCLP_EVENT_MASK_CONFIG_MGT_DATA 0x10000000
-#define SCLP_EVENT_MASK_OP_CMD 0x80000000
-#define SCLP_EVENT_MASK_MSG 0x40000000
-#define SCLP_EVENT_MASK_PMSGCMD 0x00800000
+#define SCLPEVMSK(T) (1ULL << (sizeof(sccb_mask_t) * 8 - (T)))
+
+#define SCLP_EVENT_MASK_OP_CMD SCLPEVMSK(SCLP_EVENT_OPRTNS_COMMAND)
+#define SCLP_EVENT_MASK_MSG SCLPEVMSK(SCLP_EVENT_MESSAGE)
+#define SCLP_EVENT_MASK_CONFIG_MGT_DATA SCLPEVMSK(SCLP_EVENT_CONFIG_MGT_DATA)
+#define SCLP_EVENT_MASK_PMSGCMD SCLPEVMSK(SCLP_EVENT_PMSGCMD)
+#define SCLP_EVENT_MASK_MSG_ASCII SCLPEVMSK(SCLP_EVENT_ASCII_CONSOLE_DATA)
+#define SCLP_EVENT_MASK_SIGNAL_QUIESCE SCLPEVMSK(SCLP_EVENT_SIGNAL_QUIESCE)
#define SCLP_UNCONDITIONAL_READ 0x00
#define SCLP_SELECTIVE_READ 0x01
@@ -71,6 +73,8 @@ typedef struct WriteEventMask {
#define WEM_RECEIVE_MASK(wem, mask_len) ((wem)->masks + 2 * (mask_len))
#define WEM_SEND_MASK(wem, mask_len) ((wem)->masks + 3 * (mask_len))
+typedef uint32_t sccb_mask_t;
+
typedef struct EventBufferHeader {
uint16_t length;
uint8_t type;
@@ -160,7 +164,7 @@ typedef struct WriteEventData {
typedef struct ReadEventData {
SCCBHeader h;
union {
- uint32_t mask;
+ sccb_mask_t mask;
EventBufferHeader ebh;
};
} QEMU_PACKED ReadEventData;
@@ -177,10 +181,10 @@ typedef struct SCLPEventClass {
int (*exit)(SCLPEvent *event);
/* get SCLP's send mask */
- unsigned int (*get_send_mask)(void);
+ sccb_mask_t (*get_send_mask)(void);
/* get SCLP's receive mask */
- unsigned int (*get_receive_mask)(void);
+ sccb_mask_t (*get_receive_mask)(void);
int (*read_event_data)(SCLPEvent *event, EventBufferHeader *evt_buf_hdr,
int *slen);
--
2.7.4
On Tue, 20 Feb 2018 19:45:01 +0100 Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> wrote: > Clean up SCLP masks: introduce an sccb_mask_t to be used for SCLP event > masks instead of just unsigned int or uint32_t. This will allow later > to extend the mask with more ease. Looks mostly sane. > > Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> > --- > hw/char/sclpconsole-lm.c | 4 ++-- > hw/char/sclpconsole.c | 4 ++-- > hw/s390x/event-facility.c | 18 +++++++++--------- > hw/s390x/sclpcpu.c | 4 ++-- > hw/s390x/sclpquiesce.c | 4 ++-- > include/hw/s390x/event-facility.h | 22 +++++++++++++--------- > 6 files changed, 30 insertions(+), 26 deletions(-) > > diff --git a/hw/char/sclpconsole-lm.c b/hw/char/sclpconsole-lm.c > index c500bda..cc4d70a 100644 > --- a/hw/char/sclpconsole-lm.c > +++ b/hw/char/sclpconsole-lm.c > diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c > index 2414614..f6f28fd 100644 > --- a/hw/s390x/event-facility.c > +++ b/hw/s390x/event-facility.c > @@ -30,7 +30,7 @@ struct SCLPEventFacility { > SysBusDevice parent_obj; > SCLPEventsBus sbus; > /* guest' receive mask */ Let's make this "guest's", as you're touching the line right below. > - unsigned int receive_mask; > + sccb_mask_t receive_mask; > /* > * when false, we keep the same broken, backwards compatible behaviour as > * before; when true, we implement the architecture correctly. Needed for (...) > @@ -241,8 +241,8 @@ static void copy_mask(uint8_t *dst, uint8_t *src, uint16_t dst_len, > > static void read_event_data(SCLPEventFacility *ef, SCCB *sccb) > { > - unsigned int sclp_active_selection_mask; > - unsigned int sclp_cp_receive_mask; > + sccb_mask_t sclp_active_selection_mask = 0; Why do you need to initialize this now? > + sccb_mask_t sclp_cp_receive_mask; > > ReadEventData *red = (ReadEventData *) sccb; > > @@ -284,7 +284,7 @@ static void write_event_mask(SCLPEventFacility *ef, SCCB *sccb) > { > WriteEventMask *we_mask = (WriteEventMask *) sccb; > uint16_t mask_length = be16_to_cpu(we_mask->mask_length); > - uint32_t tmp_mask; > + sccb_mask_t tmp_mask = 0; Same here. > > if (!mask_length || (mask_length > SCLP_EVENT_MASK_LEN_MAX) || > ((mask_length != 4) && !ef->allow_all_mask_sizes)) { (...) > diff --git a/include/hw/s390x/event-facility.h b/include/hw/s390x/event-facility.h > index 5119b9b..0a8b47a 100644 > --- a/include/hw/s390x/event-facility.h > +++ b/include/hw/s390x/event-facility.h > @@ -28,12 +28,14 @@ > #define SCLP_EVENT_SIGNAL_QUIESCE 0x1d > > /* SCLP event masks */ > -#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 > -#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 > -#define SCLP_EVENT_MASK_CONFIG_MGT_DATA 0x10000000 > -#define SCLP_EVENT_MASK_OP_CMD 0x80000000 > -#define SCLP_EVENT_MASK_MSG 0x40000000 > -#define SCLP_EVENT_MASK_PMSGCMD 0x00800000 > +#define SCLPEVMSK(T) (1ULL << (sizeof(sccb_mask_t) * 8 - (T))) SCLP_EVMASK() would be a bit more readable, I think. > + > +#define SCLP_EVENT_MASK_OP_CMD SCLPEVMSK(SCLP_EVENT_OPRTNS_COMMAND) > +#define SCLP_EVENT_MASK_MSG SCLPEVMSK(SCLP_EVENT_MESSAGE) > +#define SCLP_EVENT_MASK_CONFIG_MGT_DATA SCLPEVMSK(SCLP_EVENT_CONFIG_MGT_DATA) > +#define SCLP_EVENT_MASK_PMSGCMD SCLPEVMSK(SCLP_EVENT_PMSGCMD) > +#define SCLP_EVENT_MASK_MSG_ASCII SCLPEVMSK(SCLP_EVENT_ASCII_CONSOLE_DATA) > +#define SCLP_EVENT_MASK_SIGNAL_QUIESCE SCLPEVMSK(SCLP_EVENT_SIGNAL_QUIESCE) > > #define SCLP_UNCONDITIONAL_READ 0x00 > #define SCLP_SELECTIVE_READ 0x01
On Wed, 21 Feb 2018 16:20:05 +0100 Cornelia Huck <cohuck@redhat.com> wrote: > On Tue, 20 Feb 2018 19:45:01 +0100 > Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> wrote: > > > Clean up SCLP masks: introduce an sccb_mask_t to be used for SCLP > > event masks instead of just unsigned int or uint32_t. This will > > allow later to extend the mask with more ease. > > Looks mostly sane. > > > > > Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> > > --- > > hw/char/sclpconsole-lm.c | 4 ++-- > > hw/char/sclpconsole.c | 4 ++-- > > hw/s390x/event-facility.c | 18 +++++++++--------- > > hw/s390x/sclpcpu.c | 4 ++-- > > hw/s390x/sclpquiesce.c | 4 ++-- > > include/hw/s390x/event-facility.h | 22 +++++++++++++--------- > > 6 files changed, 30 insertions(+), 26 deletions(-) > > > > diff --git a/hw/char/sclpconsole-lm.c b/hw/char/sclpconsole-lm.c > > index c500bda..cc4d70a 100644 > > --- a/hw/char/sclpconsole-lm.c > > +++ b/hw/char/sclpconsole-lm.c > > > diff --git a/hw/s390x/event-facility.c b/hw/s390x/event-facility.c > > index 2414614..f6f28fd 100644 > > --- a/hw/s390x/event-facility.c > > +++ b/hw/s390x/event-facility.c > > @@ -30,7 +30,7 @@ struct SCLPEventFacility { > > SysBusDevice parent_obj; > > SCLPEventsBus sbus; > > /* guest' receive mask */ > > Let's make this "guest's", as you're touching the line right below. will do > > - unsigned int receive_mask; > > + sccb_mask_t receive_mask; > > /* > > * when false, we keep the same broken, backwards compatible > > behaviour as > > * before; when true, we implement the architecture correctly. > > Needed for > > (...) > > > @@ -241,8 +241,8 @@ static void copy_mask(uint8_t *dst, uint8_t > > *src, uint16_t dst_len, > > static void read_event_data(SCLPEventFacility *ef, SCCB *sccb) > > { > > - unsigned int sclp_active_selection_mask; > > - unsigned int sclp_cp_receive_mask; > > + sccb_mask_t sclp_active_selection_mask = 0; > > Why do you need to initialize this now? right, copy_mask zeroes the unused space at the end of the destination, it can be removed > > + sccb_mask_t sclp_cp_receive_mask; > > > > ReadEventData *red = (ReadEventData *) sccb; > > > > @@ -284,7 +284,7 @@ static void write_event_mask(SCLPEventFacility > > *ef, SCCB *sccb) { > > WriteEventMask *we_mask = (WriteEventMask *) sccb; > > uint16_t mask_length = be16_to_cpu(we_mask->mask_length); > > - uint32_t tmp_mask; > > + sccb_mask_t tmp_mask = 0; > > Same here. this is different, but it can still be avoided; I'll fix both. > > > > if (!mask_length || (mask_length > SCLP_EVENT_MASK_LEN_MAX) || > > ((mask_length != 4) && !ef->allow_all_mask_sizes)) { > > (...) > > > diff --git a/include/hw/s390x/event-facility.h > > b/include/hw/s390x/event-facility.h index 5119b9b..0a8b47a 100644 > > --- a/include/hw/s390x/event-facility.h > > +++ b/include/hw/s390x/event-facility.h > > @@ -28,12 +28,14 @@ > > #define SCLP_EVENT_SIGNAL_QUIESCE 0x1d > > > > /* SCLP event masks */ > > -#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 > > -#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 > > -#define SCLP_EVENT_MASK_CONFIG_MGT_DATA 0x10000000 > > -#define SCLP_EVENT_MASK_OP_CMD 0x80000000 > > -#define SCLP_EVENT_MASK_MSG 0x40000000 > > -#define SCLP_EVENT_MASK_PMSGCMD 0x00800000 > > +#define SCLPEVMSK(T) (1ULL << (sizeof(sccb_mask_t) * 8 - (T))) > > SCLP_EVMASK() would be a bit more readable, I think. I know, but then it looks ugly when trying to fit everything in 80 columns. > > + > > +#define SCLP_EVENT_MASK_OP_CMD > > SCLPEVMSK(SCLP_EVENT_OPRTNS_COMMAND) +#define > > SCLP_EVENT_MASK_MSG SCLPEVMSK(SCLP_EVENT_MESSAGE) > > +#define SCLP_EVENT_MASK_CONFIG_MGT_DATA > > SCLPEVMSK(SCLP_EVENT_CONFIG_MGT_DATA) +#define > > SCLP_EVENT_MASK_PMSGCMD SCLPEVMSK(SCLP_EVENT_PMSGCMD) > > +#define SCLP_EVENT_MASK_MSG_ASCII > > SCLPEVMSK(SCLP_EVENT_ASCII_CONSOLE_DATA) +#define > > SCLP_EVENT_MASK_SIGNAL_QUIESCE > > SCLPEVMSK(SCLP_EVENT_SIGNAL_QUIESCE) #define > > SCLP_UNCONDITIONAL_READ 0x00 #define > > SCLP_SELECTIVE_READ 0x01 >
On Wed, 21 Feb 2018 17:42:57 +0100 Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> wrote: > On Wed, 21 Feb 2018 16:20:05 +0100 > Cornelia Huck <cohuck@redhat.com> wrote: > > > On Tue, 20 Feb 2018 19:45:01 +0100 > > Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> wrote: > > > diff --git a/include/hw/s390x/event-facility.h > > > b/include/hw/s390x/event-facility.h index 5119b9b..0a8b47a 100644 > > > --- a/include/hw/s390x/event-facility.h > > > +++ b/include/hw/s390x/event-facility.h > > > @@ -28,12 +28,14 @@ > > > #define SCLP_EVENT_SIGNAL_QUIESCE 0x1d > > > > > > /* SCLP event masks */ > > > -#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 > > > -#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 > > > -#define SCLP_EVENT_MASK_CONFIG_MGT_DATA 0x10000000 > > > -#define SCLP_EVENT_MASK_OP_CMD 0x80000000 > > > -#define SCLP_EVENT_MASK_MSG 0x40000000 > > > -#define SCLP_EVENT_MASK_PMSGCMD 0x00800000 > > > +#define SCLPEVMSK(T) (1ULL << (sizeof(sccb_mask_t) * 8 - (T))) > > > > SCLP_EVMASK() would be a bit more readable, I think. > > I know, but then it looks ugly when trying to fit everything in 80 > columns. I'd rather go slightly over 80 in that case (as long as you don't cross 90). > > > > + > > > +#define SCLP_EVENT_MASK_OP_CMD > > > SCLPEVMSK(SCLP_EVENT_OPRTNS_COMMAND) +#define > > > SCLP_EVENT_MASK_MSG SCLPEVMSK(SCLP_EVENT_MESSAGE) > > > +#define SCLP_EVENT_MASK_CONFIG_MGT_DATA > > > SCLPEVMSK(SCLP_EVENT_CONFIG_MGT_DATA) +#define > > > SCLP_EVENT_MASK_PMSGCMD SCLPEVMSK(SCLP_EVENT_PMSGCMD) > > > +#define SCLP_EVENT_MASK_MSG_ASCII > > > SCLPEVMSK(SCLP_EVENT_ASCII_CONSOLE_DATA) +#define > > > SCLP_EVENT_MASK_SIGNAL_QUIESCE > > > SCLPEVMSK(SCLP_EVENT_SIGNAL_QUIESCE) #define > > > SCLP_UNCONDITIONAL_READ 0x00 #define > > > SCLP_SELECTIVE_READ 0x01 > > >
On Wed, 21 Feb 2018 18:30:12 +0100 Cornelia Huck <cohuck@redhat.com> wrote: > On Wed, 21 Feb 2018 17:42:57 +0100 > Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> wrote: > > > On Wed, 21 Feb 2018 16:20:05 +0100 > > Cornelia Huck <cohuck@redhat.com> wrote: > > > > > On Tue, 20 Feb 2018 19:45:01 +0100 > > > Claudio Imbrenda <imbrenda@linux.vnet.ibm.com> wrote: > > > > > diff --git a/include/hw/s390x/event-facility.h > > > > b/include/hw/s390x/event-facility.h index 5119b9b..0a8b47a > > > > 100644 --- a/include/hw/s390x/event-facility.h > > > > +++ b/include/hw/s390x/event-facility.h > > > > @@ -28,12 +28,14 @@ > > > > #define SCLP_EVENT_SIGNAL_QUIESCE 0x1d > > > > > > > > /* SCLP event masks */ > > > > -#define SCLP_EVENT_MASK_SIGNAL_QUIESCE 0x00000008 > > > > -#define SCLP_EVENT_MASK_MSG_ASCII 0x00000040 > > > > -#define SCLP_EVENT_MASK_CONFIG_MGT_DATA 0x10000000 > > > > -#define SCLP_EVENT_MASK_OP_CMD 0x80000000 > > > > -#define SCLP_EVENT_MASK_MSG 0x40000000 > > > > -#define SCLP_EVENT_MASK_PMSGCMD 0x00800000 > > > > +#define SCLPEVMSK(T) (1ULL << (sizeof(sccb_mask_t) * 8 - > > > > (T))) > > > > > > SCLP_EVMASK() would be a bit more readable, I think. > > > > I know, but then it looks ugly when trying to fit everything in 80 > > columns. > > I'd rather go slightly over 80 in that case (as long as you don't > cross 90). will do > > > > > > + > > > > +#define SCLP_EVENT_MASK_OP_CMD > > > > SCLPEVMSK(SCLP_EVENT_OPRTNS_COMMAND) +#define > > > > SCLP_EVENT_MASK_MSG SCLPEVMSK(SCLP_EVENT_MESSAGE) > > > > +#define SCLP_EVENT_MASK_CONFIG_MGT_DATA > > > > SCLPEVMSK(SCLP_EVENT_CONFIG_MGT_DATA) +#define > > > > SCLP_EVENT_MASK_PMSGCMD SCLPEVMSK(SCLP_EVENT_PMSGCMD) > > > > +#define SCLP_EVENT_MASK_MSG_ASCII > > > > SCLPEVMSK(SCLP_EVENT_ASCII_CONSOLE_DATA) +#define > > > > SCLP_EVENT_MASK_SIGNAL_QUIESCE > > > > SCLPEVMSK(SCLP_EVENT_SIGNAL_QUIESCE) #define > > > > SCLP_UNCONDITIONAL_READ 0x00 #define > > > > SCLP_SELECTIVE_READ 0x01 > > > > > >
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