memory_region_set_enabled(&xive->end_source.esb_mmio, false);
}
-/*
- * When a Virtual Processor is scheduled to run on a HW thread, the
- * hypervisor pushes its identifier in the OS CAM line. Emulate the
- * same behavior under QEMU.
- */
-void spapr_xive_set_tctx_os_cam(XiveTCTX *tctx)
-{
- uint8_t nvt_blk;
- uint32_t nvt_idx;
- uint32_t nvt_cam;
-
- spapr_xive_cpu_to_nvt(POWERPC_CPU(tctx->cs), &nvt_blk, &nvt_idx);
-
- nvt_cam = cpu_to_be32(TM_QW1W2_VO | xive_nvt_cam_line(nvt_blk, nvt_idx));
- memcpy(&tctx->regs[TM_QW1_OS + TM_WORD2], &nvt_cam, 4);
-}
-
static void spapr_xive_end_reset(XiveEND *end)
{
memset(end, 0, sizeof(*end));
* Called by the sPAPR IRQ backend 'post_load' method at the machine
* level.
*/
-int spapr_xive_post_load(SpaprXive *xive, int version_id)
+static int spapr_xive_post_load(SpaprInterruptController *intc, int version_id)
{
if (kvm_irqchip_in_kernel()) {
- return kvmppc_xive_post_load(xive, version_id);
+ return kvmppc_xive_post_load(SPAPR_XIVE(intc), version_id);
}
return 0;
}
spapr_cpu->tctx = XIVE_TCTX(obj);
+ return 0;
+}
+
+static void xive_tctx_set_os_cam(XiveTCTX *tctx, uint32_t os_cam)
+{
+ uint32_t qw1w2 = cpu_to_be32(TM_QW1W2_VO | os_cam);
+ memcpy(&tctx->regs[TM_QW1_OS + TM_WORD2], &qw1w2, 4);
+}
+
+static void spapr_xive_cpu_intc_reset(SpaprInterruptController *intc,
+ PowerPCCPU *cpu)
+{
+ XiveTCTX *tctx = spapr_cpu_state(cpu)->tctx;
+ uint8_t nvt_blk;
+ uint32_t nvt_idx;
+
+ xive_tctx_reset(tctx);
/*
- * (TCG) Early setting the OS CAM line for hotplugged CPUs as they
- * don't beneficiate from the reset of the XIVE IRQ backend
+ * When a Virtual Processor is scheduled to run on a HW thread,
+ * the hypervisor pushes its identifier in the OS CAM line.
+ * Emulate the same behavior under QEMU.
*/
- spapr_xive_set_tctx_os_cam(spapr_cpu->tctx);
- return 0;
+ spapr_xive_cpu_to_nvt(cpu, &nvt_blk, &nvt_idx);
+
+ xive_tctx_set_os_cam(tctx, xive_nvt_cam_line(nvt_blk, nvt_idx));
}
static void spapr_xive_set_irq(SpaprInterruptController *intc, int irq, int val)
plat_res_int_priorities, sizeof(plat_res_int_priorities)));
}
+static int spapr_xive_activate(SpaprInterruptController *intc, Error **errp)
+{
+ SpaprXive *xive = SPAPR_XIVE(intc);
+
+ if (kvm_enabled()) {
+ int rc = spapr_irq_init_kvm(kvmppc_xive_connect, intc, errp);
+ if (rc < 0) {
+ return rc;
+ }
+ }
+
+ /* Activate the XIVE MMIOs */
+ spapr_xive_mmio_set_enabled(xive, true);
+
+ return 0;
+}
+
+static void spapr_xive_deactivate(SpaprInterruptController *intc)
+{
+ SpaprXive *xive = SPAPR_XIVE(intc);
+
+ spapr_xive_mmio_set_enabled(xive, false);
+
+ if (kvm_irqchip_in_kernel()) {
+ kvmppc_xive_disconnect(intc);
+ }
+}
+
static void spapr_xive_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
xrc->write_nvt = spapr_xive_write_nvt;
xrc->get_tctx = spapr_xive_get_tctx;
+ sicc->activate = spapr_xive_activate;
+ sicc->deactivate = spapr_xive_deactivate;
sicc->cpu_intc_create = spapr_xive_cpu_intc_create;
+ sicc->cpu_intc_reset = spapr_xive_cpu_intc_reset;
sicc->claim_irq = spapr_xive_claim_irq;
sicc->free_irq = spapr_xive_free_irq;
sicc->set_irq = spapr_xive_set_irq;
sicc->print_info = spapr_xive_print_info;
sicc->dt = spapr_xive_dt;
+ sicc->post_load = spapr_xive_post_load;
}
static const TypeInfo spapr_xive_info = {