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| author | Cédric Le Goater <clg@kaod.org> | 2019-09-11 15:39:36 +0200 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2019-10-04 10:25:23 +1000 |
| commit | 4a99d40551d265e56584bfa6657d9a549e729127 (patch) | |
| tree | e48297b870e1e6aac7a2776556f0b030a4a46cce | |
| parent | 3887d241238c7b5960c7f153d2025891c5f5fc66 (diff) | |
| download | qemu-4a99d40551d265e56584bfa6657d9a549e729127.zip qemu-4a99d40551d265e56584bfa6657d9a549e729127.tar.gz qemu-4a99d40551d265e56584bfa6657d9a549e729127.tar.bz2 | |
spapr/irq: Introduce an ics_irq_free() helper
It will help us to discard interrupt numbers which have not been
claimed in the next patch.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20190911133937.2716-2-clg@kaod.org>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
| -rw-r--r-- | hw/ppc/spapr_irq.c | 9 | ||||
| -rw-r--r-- | include/hw/ppc/xics.h | 5 |
2 files changed, 8 insertions, 6 deletions
diff --git a/hw/ppc/spapr_irq.c b/hw/ppc/spapr_irq.c index 06fe243..d8f46b6 100644 --- a/hw/ppc/spapr_irq.c +++ b/hw/ppc/spapr_irq.c @@ -114,9 +114,6 @@ static void spapr_irq_init_xics(SpaprMachineState *spapr, int nr_irqs, xics_spapr_init(spapr); } -#define ICS_IRQ_FREE(ics, srcno) \ - (!((ics)->irqs[(srcno)].flags & (XICS_FLAGS_IRQ_MASK))) - static int spapr_irq_claim_xics(SpaprMachineState *spapr, int irq, bool lsi, Error **errp) { @@ -129,7 +126,7 @@ static int spapr_irq_claim_xics(SpaprMachineState *spapr, int irq, bool lsi, return -1; } - if (!ICS_IRQ_FREE(ics, irq - ics->offset)) { + if (!ics_irq_free(ics, irq - ics->offset)) { error_setg(errp, "IRQ %d is not free", irq); return -1; } @@ -147,7 +144,7 @@ static void spapr_irq_free_xics(SpaprMachineState *spapr, int irq, int num) if (ics_valid_irq(ics, irq)) { trace_spapr_irq_free(0, irq, num); for (i = srcno; i < srcno + num; ++i) { - if (ICS_IRQ_FREE(ics, i)) { + if (ics_irq_free(ics, i)) { trace_spapr_irq_free_warn(0, i); } memset(&ics->irqs[i], 0, sizeof(ICSIRQState)); @@ -767,7 +764,7 @@ static int ics_find_free_block(ICSState *ics, int num, int alignnum) return -1; } for (i = first; i < first + num; ++i) { - if (!ICS_IRQ_FREE(ics, i)) { + if (!ics_irq_free(ics, i)) { break; } } diff --git a/include/hw/ppc/xics.h b/include/hw/ppc/xics.h index f2a8d6a..64a2c88 100644 --- a/include/hw/ppc/xics.h +++ b/include/hw/ppc/xics.h @@ -179,6 +179,11 @@ void ics_simple_write_xive(ICSState *ics, int nr, int server, uint8_t priority, uint8_t saved_priority); void ics_simple_set_irq(void *opaque, int srcno, int val); +static inline bool ics_irq_free(ICSState *ics, uint32_t srcno) +{ + return !(ics->irqs[srcno].flags & XICS_FLAGS_IRQ_MASK); +} + void ics_set_irq_type(ICSState *ics, int srcno, bool lsi); void icp_pic_print_info(ICPState *icp, Monitor *mon); void ics_pic_print_info(ICSState *ics, Monitor *mon); |