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dpc: add dpc_prepare

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iretq
2025-12-28 03:50:00 +01:00
parent a81ae88afb
commit 99d3374fc0
11 changed files with 45 additions and 27 deletions
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kernel-src/io/block/nvme.c
+4 -1
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@@ -299,7 +299,7 @@ static void nvme_dpc(context_t *, dpcarg_t arg) {
static void nvme_irq(isr_t *isr, context_t *context) {
queuepair_t *pair = isr->priv;
dpc_enqueue(&pair->dpc, nvme_dpc, pair);
dpc_enqueue(&pair->dpc, pair);
}
static isr_t *msixnewisrforqueue(queuepair_t *queuepair) {
@@ -458,6 +458,7 @@ static int createiosubqueue(nvmecontroller_t *controller, queuedesc_t *desc, siz
}
static void newioqueuepair(nvmecontroller_t *controller, queuepair_t *pair, int id) {
dpc_prepare(&pair->dpc, nvme_dpc);
__assert(createiocompqueue(controller, &pair->completion, QUEUEPAIR_ENTRY_COUNT, id, id, 0) == 0);
__assert(createiosubqueue(controller, &pair->submission, QUEUEPAIR_ENTRY_COUNT, id, id, 0) == 0);
pair->controller = controller;
@@ -813,6 +814,8 @@ static void initcontroller(pcienum_t *e) {
controller->adminqueue.completion.doorbell = GET_DOORBELL(controller->bar0, 0, 1, controller->dbstride);
controller->adminqueue.completion.phase = 1;
dpc_prepare(&controller->adminqueue.dpc, nvme_dpc);
SPINLOCK_INIT(controller->adminqueue.lock);
SEMAPHORE_INIT(&controller->adminqueue.entrysem, QUEUEPAIR_ENTRY_COUNT);