Commit 3c40706d authored by Marc Zyngier's avatar Marc Zyngier

irqchip/gic-v4.1: Advertise support v4.1 to KVM

Tell KVM that we support v4.1. Nothing uses this information so far.
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Reviewed-by: default avatarZenghui Yu <yuzenghui@huawei.com>
Reviewed-by: default avatarEric Auger <eric.auger@redhat.com>
Link: https://lore.kernel.org/r/20200304203330.4967-7-maz@kernel.org
parent 9058a4e9
......@@ -4870,6 +4870,7 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists,
struct device_node *of_node;
struct its_node *its;
bool has_v4 = false;
bool has_v4_1 = false;
int err;
gic_rdists = rdists;
......@@ -4890,8 +4891,14 @@ int __init its_init(struct fwnode_handle *handle, struct rdists *rdists,
if (err)
return err;
list_for_each_entry(its, &its_nodes, entry)
list_for_each_entry(its, &its_nodes, entry) {
has_v4 |= is_v4(its);
has_v4_1 |= is_v4_1(its);
}
/* Don't bother with inconsistent systems */
if (WARN_ON(!has_v4_1 && rdists->has_rvpeid))
rdists->has_rvpeid = false;
if (has_v4 & rdists->has_vlpis) {
if (its_init_vpe_domain() ||
......
......@@ -1764,6 +1764,7 @@ static void __init gic_of_setup_kvm_info(struct device_node *node)
gic_v3_kvm_info.vcpu = r;
gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis;
gic_v3_kvm_info.has_v4_1 = gic_data.rdists.has_rvpeid;
gic_set_kvm_info(&gic_v3_kvm_info);
}
......@@ -2079,6 +2080,7 @@ static void __init gic_acpi_setup_kvm_info(void)
}
gic_v3_kvm_info.has_v4 = gic_data.rdists.has_vlpis;
gic_v3_kvm_info.has_v4_1 = gic_data.rdists.has_rvpeid;
gic_set_kvm_info(&gic_v3_kvm_info);
}
......
......@@ -32,6 +32,8 @@ struct gic_kvm_info {
struct resource vctrl;
/* vlpi support */
bool has_v4;
/* rvpeid support */
bool has_v4_1;
};
const struct gic_kvm_info *gic_get_kvm_info(void);
......
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