Lines Matching full:vpe
259 static int vpe_to_cpuid_lock(struct its_vpe *vpe, unsigned long *flags) in vpe_to_cpuid_lock() argument
261 raw_spin_lock_irqsave(&vpe->vpe_lock, *flags); in vpe_to_cpuid_lock()
262 return vpe->col_idx; in vpe_to_cpuid_lock()
265 static void vpe_to_cpuid_unlock(struct its_vpe *vpe, unsigned long flags) in vpe_to_cpuid_unlock() argument
267 raw_spin_unlock_irqrestore(&vpe->vpe_lock, flags); in vpe_to_cpuid_unlock()
274 struct its_vpe *vpe = NULL; in irq_to_cpuid_lock() local
278 vpe = irq_data_get_irq_chip_data(d); in irq_to_cpuid_lock()
282 vpe = map->vpe; in irq_to_cpuid_lock()
285 if (vpe) { in irq_to_cpuid_lock()
286 cpu = vpe_to_cpuid_lock(vpe, flags); in irq_to_cpuid_lock()
300 struct its_vpe *vpe = NULL; in irq_to_cpuid_unlock() local
303 vpe = irq_data_get_irq_chip_data(d); in irq_to_cpuid_unlock()
307 vpe = map->vpe; in irq_to_cpuid_unlock()
310 if (vpe) in irq_to_cpuid_unlock()
311 vpe_to_cpuid_unlock(vpe, flags); in irq_to_cpuid_unlock()
322 static struct its_vpe *valid_vpe(struct its_node *its, struct its_vpe *vpe) in valid_vpe() argument
324 if (valid_col(its->collections + vpe->col_idx)) in valid_vpe()
325 return vpe; in valid_vpe()
383 struct its_vpe *vpe; member
387 struct its_vpe *vpe; member
393 struct its_vpe *vpe; member
401 struct its_vpe *vpe; member
408 struct its_vpe *vpe; member
415 struct its_vpe *vpe; member
419 struct its_vpe *vpe; member
771 its_encode_vpeid(cmd, desc->its_vinvall_cmd.vpe->vpe_id); in its_build_vinvall_cmd()
775 return valid_vpe(its, desc->its_vinvall_cmd.vpe); in its_build_vinvall_cmd()
787 its_encode_vpeid(cmd, desc->its_vmapp_cmd.vpe->vpe_id); in its_build_vmapp_cmd()
792 alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count); in its_build_vmapp_cmd()
799 vpt_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->vpt_page)); in its_build_vmapp_cmd()
809 vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page)); in its_build_vmapp_cmd()
811 alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count); in its_build_vmapp_cmd()
818 its_encode_vmapp_default_db(cmd, desc->its_vmapp_cmd.vpe->vpe_db_lpi); in its_build_vmapp_cmd()
823 return valid_vpe(its, desc->its_vmapp_cmd.vpe); in its_build_vmapp_cmd()
833 db = desc->its_vmapti_cmd.vpe->vpe_db_lpi; in its_build_vmapti_cmd()
839 its_encode_vpeid(cmd, desc->its_vmapti_cmd.vpe->vpe_id); in its_build_vmapti_cmd()
846 return valid_vpe(its, desc->its_vmapti_cmd.vpe); in its_build_vmapti_cmd()
856 db = desc->its_vmovi_cmd.vpe->vpe_db_lpi; in its_build_vmovi_cmd()
862 its_encode_vpeid(cmd, desc->its_vmovi_cmd.vpe->vpe_id); in its_build_vmovi_cmd()
869 return valid_vpe(its, desc->its_vmovi_cmd.vpe); in its_build_vmovi_cmd()
882 its_encode_vpeid(cmd, desc->its_vmovp_cmd.vpe->vpe_id); in its_build_vmovp_cmd()
887 its_encode_vmovp_default_db(cmd, desc->its_vmovp_cmd.vpe->vpe_db_lpi); in its_build_vmovp_cmd()
892 return valid_vpe(its, desc->its_vmovp_cmd.vpe); in its_build_vmovp_cmd()
910 return valid_vpe(its, map->vpe); in its_build_vinv_cmd()
928 return valid_vpe(its, map->vpe); in its_build_vint_cmd()
946 return valid_vpe(its, map->vpe); in its_build_vclear_cmd()
957 its_encode_vpeid(cmd, desc->its_invdb_cmd.vpe->vpe_id); in its_build_invdb_cmd()
961 return valid_vpe(its, desc->its_invdb_cmd.vpe); in its_build_invdb_cmd()
972 its_encode_vpeid(cmd, desc->its_vsgi_cmd.vpe->vpe_id); in its_build_vsgi_cmd()
981 return valid_vpe(its, desc->its_vsgi_cmd.vpe); in its_build_vsgi_cmd()
1264 desc.its_vmapti_cmd.vpe = map->vpe; in its_send_vmapti()
1278 desc.its_vmovi_cmd.vpe = map->vpe; in its_send_vmovi()
1287 struct its_vpe *vpe, bool valid) in its_send_vmapp() argument
1291 desc.its_vmapp_cmd.vpe = vpe; in its_send_vmapp()
1293 desc.its_vmapp_cmd.col = &its->collections[vpe->col_idx]; in its_send_vmapp()
1298 static void its_send_vmovp(struct its_vpe *vpe) in its_send_vmovp() argument
1303 int col_id = vpe->col_idx; in its_send_vmovp()
1305 desc.its_vmovp_cmd.vpe = vpe; in its_send_vmovp()
1325 desc.its_vmovp_cmd.its_list = get_its_list(vpe->its_vm); in its_send_vmovp()
1332 if (!require_its_list_vmovp(vpe->its_vm, its)) in its_send_vmovp()
1342 static void its_send_vinvall(struct its_node *its, struct its_vpe *vpe) in its_send_vinvall() argument
1346 desc.its_vinvall_cmd.vpe = vpe; in its_send_vinvall()
1392 static void its_send_invdb(struct its_node *its, struct its_vpe *vpe) in its_send_invdb() argument
1396 desc.its_invdb_cmd.vpe = vpe; in its_send_invdb()
1472 val |= FIELD_PREP(GICR_INVLPIR_VPEID, map->vpe->vpe_id); in direct_lpi_inv()
1522 * to the /same/ vPE, using this opportunity to adjust the in its_vlpi_set_doorbell()
1791 struct its_vpe *vpe = vm->vpes[i]; in its_map_vm() local
1792 struct irq_data *d = irq_get_irq_data(vpe->irq); in its_map_vm()
1794 /* Map the VPE to the first possible CPU */ in its_map_vm()
1795 vpe->col_idx = cpumask_first(cpu_online_mask); in its_map_vm()
1796 its_send_vmapp(its, vpe, true); in its_map_vm()
1797 its_send_vinvall(its, vpe); in its_map_vm()
1798 irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx)); in its_map_vm()
2518 /* GICv4.1 guarantees that the vPE table is GITS_BASER2 */ in find_sibling_its()
2675 /* GICv4.1 guarantees that the vPE table is GITS_BASER2 */ in inherit_vpe_l1_table_from_its()
2829 * VPE by setting PendingLast while clearing Valid. This has the in allocate_vpe_l1_table()
3150 * scheduled as a vPE, especially for the first CPU, and the in its_cpu_init_lpis()
3334 * that have interrupts targeted at this VPE, but the in its_alloc_vpe_table()
3491 WARN_ONCE(1, "DevId %x clashes with GICv4 VPE proxy device\n", in its_msi_prepare()
3686 static void its_vpe_db_proxy_unmap_locked(struct its_vpe *vpe) in its_vpe_db_proxy_unmap_locked() argument
3693 if (vpe->vpe_proxy_event == -1) in its_vpe_db_proxy_unmap_locked()
3696 its_send_discard(vpe_proxy.dev, vpe->vpe_proxy_event); in its_vpe_db_proxy_unmap_locked()
3697 vpe_proxy.vpes[vpe->vpe_proxy_event] = NULL; in its_vpe_db_proxy_unmap_locked()
3707 vpe_proxy.next_victim = vpe->vpe_proxy_event; in its_vpe_db_proxy_unmap_locked()
3709 vpe->vpe_proxy_event = -1; in its_vpe_db_proxy_unmap_locked()
3712 static void its_vpe_db_proxy_unmap(struct its_vpe *vpe) in its_vpe_db_proxy_unmap() argument
3722 its_vpe_db_proxy_unmap_locked(vpe); in its_vpe_db_proxy_unmap()
3727 static void its_vpe_db_proxy_map_locked(struct its_vpe *vpe) in its_vpe_db_proxy_map_locked() argument
3734 if (vpe->vpe_proxy_event != -1) in its_vpe_db_proxy_map_locked()
3737 /* This slot was already allocated. Kick the other VPE out. */ in its_vpe_db_proxy_map_locked()
3741 /* Map the new VPE instead */ in its_vpe_db_proxy_map_locked()
3742 vpe_proxy.vpes[vpe_proxy.next_victim] = vpe; in its_vpe_db_proxy_map_locked()
3743 vpe->vpe_proxy_event = vpe_proxy.next_victim; in its_vpe_db_proxy_map_locked()
3746 vpe_proxy.dev->event_map.col_map[vpe->vpe_proxy_event] = vpe->col_idx; in its_vpe_db_proxy_map_locked()
3747 its_send_mapti(vpe_proxy.dev, vpe->vpe_db_lpi, vpe->vpe_proxy_event); in its_vpe_db_proxy_map_locked()
3750 static void its_vpe_db_proxy_move(struct its_vpe *vpe, int from, int to) in its_vpe_db_proxy_move() argument
3763 gic_write_lpir(vpe->vpe_db_lpi, rdbase + GICR_CLRLPIR); in its_vpe_db_proxy_move()
3771 its_vpe_db_proxy_map_locked(vpe); in its_vpe_db_proxy_move()
3774 its_send_movi(vpe_proxy.dev, target_col, vpe->vpe_proxy_event); in its_vpe_db_proxy_move()
3775 vpe_proxy.dev->event_map.col_map[vpe->vpe_proxy_event] = to; in its_vpe_db_proxy_move()
3784 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_set_affinity() local
3794 * Another thing is that changing the affinity of a vPE affects in its_vpe_set_affinity()
3796 * this vPE. This means that the irq_desc lock is not enough to in its_vpe_set_affinity()
3797 * protect us, and that we must ensure nobody samples vpe->col_idx in its_vpe_set_affinity()
3799 * taken on any vLPI handling path that evaluates vpe->col_idx. in its_vpe_set_affinity()
3801 from = vpe_to_cpuid_lock(vpe, &flags); in its_vpe_set_affinity()
3805 vpe->col_idx = cpu; in its_vpe_set_affinity()
3809 * is sharing its VPE table with the current one. in its_vpe_set_affinity()
3815 its_send_vmovp(vpe); in its_vpe_set_affinity()
3816 its_vpe_db_proxy_move(vpe, from, cpu); in its_vpe_set_affinity()
3820 vpe_to_cpuid_unlock(vpe, flags); in its_vpe_set_affinity()
3839 static void its_vpe_schedule(struct its_vpe *vpe) in its_vpe_schedule() argument
3844 /* Schedule the VPE */ in its_vpe_schedule()
3845 val = virt_to_phys(page_address(vpe->its_vm->vprop_page)) & in its_vpe_schedule()
3852 val = virt_to_phys(page_address(vpe->vpt_page)) & in its_vpe_schedule()
3859 * easily. So in the end, vpe->pending_last is only an in its_vpe_schedule()
3866 val |= vpe->idai ? GICR_VPENDBASER_IDAI : 0; in its_vpe_schedule()
3873 static void its_vpe_deschedule(struct its_vpe *vpe) in its_vpe_deschedule() argument
3880 vpe->idai = !!(val & GICR_VPENDBASER_IDAI); in its_vpe_deschedule()
3881 vpe->pending_last = !!(val & GICR_VPENDBASER_PendingLast); in its_vpe_deschedule()
3884 static void its_vpe_invall(struct its_vpe *vpe) in its_vpe_invall() argument
3892 if (its_list_map && !vpe->its_vm->vlpi_count[its->list_nr]) in its_vpe_invall()
3899 its_send_vinvall(its, vpe); in its_vpe_invall()
3906 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_set_vcpu_affinity() local
3911 its_vpe_schedule(vpe); in its_vpe_set_vcpu_affinity()
3915 its_vpe_deschedule(vpe); in its_vpe_set_vcpu_affinity()
3919 its_vpe_invall(vpe); in its_vpe_set_vcpu_affinity()
3927 static void its_vpe_send_cmd(struct its_vpe *vpe, in its_vpe_send_cmd() argument
3934 its_vpe_db_proxy_map_locked(vpe); in its_vpe_send_cmd()
3935 cmd(vpe_proxy.dev, vpe->vpe_proxy_event); in its_vpe_send_cmd()
3942 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_send_inv() local
3947 its_vpe_send_cmd(vpe, its_send_inv); in its_vpe_send_inv()
3973 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_set_irqchip_state() local
3981 rdbase = per_cpu_ptr(gic_rdists->rdist, vpe->col_idx)->rd_base; in its_vpe_set_irqchip_state()
3983 gic_write_lpir(vpe->vpe_db_lpi, rdbase + GICR_SETLPIR); in its_vpe_set_irqchip_state()
3985 gic_write_lpir(vpe->vpe_db_lpi, rdbase + GICR_CLRLPIR); in its_vpe_set_irqchip_state()
3990 its_vpe_send_cmd(vpe, its_send_int); in its_vpe_set_irqchip_state()
3992 its_vpe_send_cmd(vpe, its_send_clear); in its_vpe_set_irqchip_state()
4004 .name = "GICv4-vpe",
4033 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_4_1_send_inv() local
4043 its_send_invdb(its, vpe); in its_vpe_4_1_send_inv()
4058 static void its_vpe_4_1_schedule(struct its_vpe *vpe, in its_vpe_4_1_schedule() argument
4064 /* Schedule the VPE */ in its_vpe_4_1_schedule()
4068 val |= FIELD_PREP(GICR_VPENDBASER_4_1_VPEID, vpe->vpe_id); in its_vpe_4_1_schedule()
4075 static void its_vpe_4_1_deschedule(struct its_vpe *vpe, in its_vpe_4_1_deschedule() argument
4085 * vPE is going to block: make the vPE non-resident with in its_vpe_4_1_deschedule()
4094 raw_spin_lock_irqsave(&vpe->vpe_lock, flags); in its_vpe_4_1_deschedule()
4098 vpe->pending_last = !!(val & GICR_VPENDBASER_PendingLast); in its_vpe_4_1_deschedule()
4099 raw_spin_unlock_irqrestore(&vpe->vpe_lock, flags); in its_vpe_4_1_deschedule()
4102 * We're not blocking, so just make the vPE non-resident in its_vpe_4_1_deschedule()
4108 vpe->pending_last = true; in its_vpe_4_1_deschedule()
4112 static void its_vpe_4_1_invall(struct its_vpe *vpe) in its_vpe_4_1_invall() argument
4120 val |= FIELD_PREP(GICR_INVALLR_VPEID, vpe->vpe_id); in its_vpe_4_1_invall()
4122 /* Target the redistributor this vPE is currently known on */ in its_vpe_4_1_invall()
4123 cpu = vpe_to_cpuid_lock(vpe, &flags); in its_vpe_4_1_invall()
4130 vpe_to_cpuid_unlock(vpe, flags); in its_vpe_4_1_invall()
4135 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_4_1_set_vcpu_affinity() local
4140 its_vpe_4_1_schedule(vpe, info); in its_vpe_4_1_set_vcpu_affinity()
4144 its_vpe_4_1_deschedule(vpe, info); in its_vpe_4_1_set_vcpu_affinity()
4148 its_vpe_4_1_invall(vpe); in its_vpe_4_1_set_vcpu_affinity()
4157 .name = "GICv4.1-vpe",
4167 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_configure_sgi() local
4170 desc.its_vsgi_cmd.vpe = vpe; in its_configure_sgi()
4172 desc.its_vsgi_cmd.priority = vpe->sgi_config[d->hwirq].priority; in its_configure_sgi()
4173 desc.its_vsgi_cmd.enable = vpe->sgi_config[d->hwirq].enabled; in its_configure_sgi()
4174 desc.its_vsgi_cmd.group = vpe->sgi_config[d->hwirq].group; in its_configure_sgi()
4179 * destination VPE is mapped there. Since we map them eagerly at in its_configure_sgi()
4187 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_mask_irq() local
4189 vpe->sgi_config[d->hwirq].enabled = false; in its_sgi_mask_irq()
4195 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_unmask_irq() local
4197 vpe->sgi_config[d->hwirq].enabled = true; in its_sgi_unmask_irq()
4207 * not on the host (since they can only be targeting a vPE). in its_sgi_set_affinity()
4222 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_set_irqchip_state() local
4226 val = FIELD_PREP(GITS_SGIR_VPEID, vpe->vpe_id); in its_sgi_set_irqchip_state()
4239 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_get_irqchip_state() local
4252 * - Concurrent vPE affinity change: we must make sure it cannot in its_sgi_get_irqchip_state()
4259 cpu = vpe_to_cpuid_lock(vpe, &flags); in its_sgi_get_irqchip_state()
4262 writel_relaxed(vpe->vpe_id, base + GICR_VSGIR); in its_sgi_get_irqchip_state()
4279 vpe_to_cpuid_unlock(vpe, flags); in its_sgi_get_irqchip_state()
4291 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_set_vcpu_affinity() local
4296 vpe->sgi_config[d->hwirq].priority = info->priority; in its_sgi_set_vcpu_affinity()
4297 vpe->sgi_config[d->hwirq].group = info->group; in its_sgi_set_vcpu_affinity()
4320 struct its_vpe *vpe = args; in its_sgi_irq_domain_alloc() local
4327 vpe->sgi_config[i].priority = 0; in its_sgi_irq_domain_alloc()
4328 vpe->sgi_config[i].enabled = false; in its_sgi_irq_domain_alloc()
4329 vpe->sgi_config[i].group = false; in its_sgi_irq_domain_alloc()
4332 &its_sgi_irq_chip, vpe); in its_sgi_irq_domain_alloc()
4357 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_sgi_irq_domain_deactivate() local
4369 vpe->sgi_config[d->hwirq].enabled = false; in its_sgi_irq_domain_deactivate()
4391 static int its_vpe_init(struct its_vpe *vpe) in its_vpe_init() argument
4414 raw_spin_lock_init(&vpe->vpe_lock); in its_vpe_init()
4415 vpe->vpe_id = vpe_id; in its_vpe_init()
4416 vpe->vpt_page = vpt_page; in its_vpe_init()
4418 atomic_set(&vpe->vmapp_count, 0); in its_vpe_init()
4420 vpe->vpe_proxy_event = -1; in its_vpe_init()
4425 static void its_vpe_teardown(struct its_vpe *vpe) in its_vpe_teardown() argument
4427 its_vpe_db_proxy_unmap(vpe); in its_vpe_teardown()
4428 its_vpe_id_free(vpe->vpe_id); in its_vpe_teardown()
4429 its_free_pending_table(vpe->vpt_page); in its_vpe_teardown()
4444 struct its_vpe *vpe = irq_data_get_irq_chip_data(data); in its_vpe_irq_domain_free() local
4446 BUG_ON(vm != vpe->its_vm); in its_vpe_irq_domain_free()
4449 its_vpe_teardown(vpe); in its_vpe_irq_domain_free()
4516 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_irq_domain_activate() local
4521 * we're on a GICv4.1 and we eagerly map the VPE on all ITSs in its_vpe_irq_domain_activate()
4527 /* Map the VPE to the first possible CPU */ in its_vpe_irq_domain_activate()
4528 vpe->col_idx = cpumask_first(cpu_online_mask); in its_vpe_irq_domain_activate()
4534 its_send_vmapp(its, vpe, true); in its_vpe_irq_domain_activate()
4535 its_send_vinvall(its, vpe); in its_vpe_irq_domain_activate()
4538 irq_data_update_effective_affinity(d, cpumask_of(vpe->col_idx)); in its_vpe_irq_domain_activate()
4546 struct its_vpe *vpe = irq_data_get_irq_chip_data(d); in its_vpe_irq_domain_deactivate() local
4550 * If we use the list map on GICv4.0, we unmap the VPE once no in its_vpe_irq_domain_deactivate()
4560 its_send_vmapp(its, vpe, false); in its_vpe_irq_domain_deactivate()
4879 pr_info("ITS: Using DirectLPI for VPE invalidation\n"); in its_init_vpe_domain()