s390x/sclp: 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>
Message-Id: <1519407778-23095-3-git-send-email-imbrenda@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
Claudio Imbrenda 2018-02-23 18:42:57 +01:00 committed by Cornelia Huck
parent bc61c8c626
commit 1ffed98f24
6 changed files with 31 additions and 27 deletions

View file

@ -29,8 +29,8 @@ typedef struct SCLPEventsBus {
struct SCLPEventFacility {
SysBusDevice parent_obj;
SCLPEventsBus sbus;
/* guest' receive mask */
unsigned int receive_mask;
/* guest's receive mask */
sccb_mask_t receive_mask;
/*
* when false, we keep the same broken, backwards compatible behaviour as
* before, allowing only masks of size exactly 4; when true, we implement
@ -61,9 +61,9 @@ 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;
@ -77,9 +77,9 @@ 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;
@ -189,7 +189,7 @@ out:
}
static uint16_t handle_sccb_read_events(SCLPEventFacility *ef, SCCB *sccb,
unsigned int mask)
sccb_mask_t mask)
{
uint16_t rc;
int slen;
@ -242,8 +242,8 @@ 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;
sccb_mask_t sclp_cp_receive_mask;
ReadEventData *red = (ReadEventData *) sccb;
@ -285,7 +285,7 @@ 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;
if (!mask_length || (mask_length > SCLP_EVENT_MASK_LEN_MAX) ||
((mask_length != 4) && !ef->allow_all_mask_sizes)) {