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ppc/xive: Export PQ get/set routines

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These will be shared with the XIVE2 router.

Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20210809134547.689560-8-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2021-08-09 15:45:28 +02:00 • committed by David Gibson
parent 379090306c
commit fb8dc327f4
3 changed files with 11 additions and 7 deletions
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8
hw/intc/spapr_xive_kvm.c
View file

@ -297,7 +297,7 @@ static uint8_t xive_esb_read(XiveSource *xsrc, int srcno, uint32_t offset)
return xive_esb_rw(xsrc, srcno, offset, 0, 0) & 0x3; return xive_esb_rw(xsrc, srcno, offset, 0, 0) & 0x3;
} }
static void xive_esb_trigger(XiveSource *xsrc, int srcno) static void kvmppc_xive_esb_trigger(XiveSource *xsrc, int srcno)
{ {
uint64_t *addr = xsrc->esb_mmap + xive_source_esb_page(xsrc, srcno); uint64_t *addr = xsrc->esb_mmap + xive_source_esb_page(xsrc, srcno);
@ -322,7 +322,7 @@ uint64_t kvmppc_xive_esb_rw(XiveSource *xsrc, int srcno, uint32_t offset,
offset == XIVE_ESB_LOAD_EOI) { offset == XIVE_ESB_LOAD_EOI) {
xive_esb_read(xsrc, srcno, XIVE_ESB_SET_PQ_00); xive_esb_read(xsrc, srcno, XIVE_ESB_SET_PQ_00);
if (xsrc->status[srcno] & XIVE_STATUS_ASSERTED) { if (xsrc->status[srcno] & XIVE_STATUS_ASSERTED) {
xive_esb_trigger(xsrc, srcno); kvmppc_xive_esb_trigger(xsrc, srcno);
} }
return 0; return 0;
} else { } else {
@ -366,7 +366,7 @@ void kvmppc_xive_source_set_irq(void *opaque, int srcno, int val)
} }
} }
xive_esb_trigger(xsrc, srcno); kvmppc_xive_esb_trigger(xsrc, srcno);
} }
/* /*
@ -533,7 +533,7 @@ static void kvmppc_xive_change_state_handler(void *opaque, bool running,
* generate a trigger. * generate a trigger.
*/ */
if (pq == XIVE_ESB_RESET && old_pq == XIVE_ESB_QUEUED) { if (pq == XIVE_ESB_RESET && old_pq == XIVE_ESB_QUEUED) {
xive_esb_trigger(xsrc, i); kvmppc_xive_esb_trigger(xsrc, i);
} }
} }

6
hw/intc/xive.c
View file

@ -816,7 +816,7 @@ void xive_tctx_destroy(XiveTCTX *tctx)
* XIVE ESB helpers * XIVE ESB helpers
*/ */
static uint8_t xive_esb_set(uint8_t *pq, uint8_t value) uint8_t xive_esb_set(uint8_t *pq, uint8_t value)
{ {
uint8_t old_pq = *pq & 0x3; uint8_t old_pq = *pq & 0x3;
@ -826,7 +826,7 @@ static uint8_t xive_esb_set(uint8_t *pq, uint8_t value)
return old_pq; return old_pq;
} }
static bool xive_esb_trigger(uint8_t *pq) bool xive_esb_trigger(uint8_t *pq)
{ {
uint8_t old_pq = *pq & 0x3; uint8_t old_pq = *pq & 0x3;
@ -846,7 +846,7 @@ static bool xive_esb_trigger(uint8_t *pq)
} }
} }
static bool xive_esb_eoi(uint8_t *pq) bool xive_esb_eoi(uint8_t *pq)
{ {
uint8_t old_pq = *pq & 0x3; uint8_t old_pq = *pq & 0x3;

4
include/hw/ppc/xive.h
View file

@ -261,6 +261,10 @@ static inline hwaddr xive_source_esb_mgmt(XiveSource *xsrc, int srcno)
#define XIVE_ESB_QUEUED (XIVE_ESB_VAL_P | XIVE_ESB_VAL_Q) #define XIVE_ESB_QUEUED (XIVE_ESB_VAL_P | XIVE_ESB_VAL_Q)
#define XIVE_ESB_OFF XIVE_ESB_VAL_Q #define XIVE_ESB_OFF XIVE_ESB_VAL_Q
bool xive_esb_trigger(uint8_t *pq);
bool xive_esb_eoi(uint8_t *pq);
uint8_t xive_esb_set(uint8_t *pq, uint8_t value);
/* /*
* "magic" Event State Buffer (ESB) MMIO offsets. * "magic" Event State Buffer (ESB) MMIO offsets.
* *