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spapr: remove unused spapr_irq routines

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spapr_irq_alloc_block and spapr_irq_alloc() are now deprecated.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2018-06-18 19:34:01 +02:00 committed by David Gibson
parent 4fe75a8ccd
commit 71b5c8d26e
2 changed files with 1 additions and 83 deletions
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80
hw/ppc/spapr.c
View File

@ -3846,84 +3846,6 @@ int spapr_irq_find(sPAPRMachineState *spapr, int num, bool align, Error **errp)
return first + ics->offset;
}
/*
* Allocate the IRQ number and set the IRQ type, LSI or MSI
*/
static void spapr_irq_set_lsi(sPAPRMachineState *spapr, int irq, bool lsi)
{
ics_set_irq_type(spapr->ics, irq - spapr->ics->offset, lsi);
}
int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
Error **errp)
{
ICSState *ics = spapr->ics;
int irq;
assert(ics);
if (irq_hint) {
if (!ICS_IRQ_FREE(ics, irq_hint - ics->offset)) {
error_setg(errp, "can't allocate IRQ %d: already in use", irq_hint);
return -1;
}
irq = irq_hint;
} else {
irq = ics_find_free_block(ics, 1, 1);
if (irq < 0) {
error_setg(errp, "can't allocate IRQ: no IRQ left");
return -1;
}
irq += ics->offset;
}
spapr_irq_set_lsi(spapr, irq, lsi);
trace_spapr_irq_alloc(irq);
return irq;
}
/*
* Allocate block of consecutive IRQs, and return the number of the first IRQ in
* the block. If align==true, aligns the first IRQ number to num.
*/
int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi,
bool align, Error **errp)
{
ICSState *ics = spapr->ics;
int i, first = -1;
assert(ics);
/*
* MSIMesage::data is used for storing VIRQ so
* it has to be aligned to num to support multiple
* MSI vectors. MSI-X is not affected by this.
* The hint is used for the first IRQ, the rest should
* be allocated continuously.
*/
if (align) {
assert((num == 1) || (num == 2) || (num == 4) ||
(num == 8) || (num == 16) || (num == 32));
first = ics_find_free_block(ics, num, num);
} else {
first = ics_find_free_block(ics, num, 1);
}
if (first < 0) {
error_setg(errp, "can't find a free %d-IRQ block", num);
return -1;
}
first += ics->offset;
for (i = first; i < first + num; ++i) {
spapr_irq_set_lsi(spapr, i, lsi);
}
trace_spapr_irq_alloc_block(first, num, lsi, align);
return first;
}
int spapr_irq_claim(sPAPRMachineState *spapr, int irq, bool lsi, Error **errp)
{
ICSState *ics = spapr->ics;
@ -3940,7 +3862,7 @@ int spapr_irq_claim(sPAPRMachineState *spapr, int irq, bool lsi, Error **errp)
return -1;
}
spapr_irq_set_lsi(spapr, irq, lsi);
ics_set_irq_type(ics, irq - ics->offset, lsi);
return 0;
}

4
include/hw/ppc/spapr.h
View File

@ -772,10 +772,6 @@ int spapr_get_vcpu_id(PowerPCCPU *cpu);
void spapr_set_vcpu_id(PowerPCCPU *cpu, int cpu_index, Error **errp);
PowerPCCPU *spapr_find_cpu(int vcpu_id);
int spapr_irq_alloc(sPAPRMachineState *spapr, int irq_hint, bool lsi,
Error **errp);
int spapr_irq_alloc_block(sPAPRMachineState *spapr, int num, bool lsi,
bool align, Error **errp);
int spapr_irq_find(sPAPRMachineState *spapr, int num, bool align,
Error **errp);
#define spapr_irq_findone(spapr, errp) spapr_irq_find(spapr, 1, false, errp)