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hv: vioapic init for SOS VM on platforms with multiple IO-APICs

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For SOS VM, when the target platform has multiple IO-APICs, there
should be equal number of virtual IO-APICs.

This patch adds support for emulating multiple vIOAPICs per VM.

Tracked-On: #4151
Signed-off-by: Sainath Grandhi <sainath.grandhi@intel.com>
Acked-by: Eddie Dong <eddie.dong@Intel.com>
This commit is contained in:
Sainath Grandhi
2020-02-16 19:22:26 -08:00
committed by wenlingz
parent f67ac09141
commit fe5a108c7b
9 changed files with 206 additions and 73 deletions
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9
hypervisor/debug/shell.c
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@@ -1173,7 +1173,7 @@ static void get_vioapic_info(char *str_arg, size_t str_max, uint16_t vmid)
uint32_t delmode, vector, dest;
bool level, phys, remote_irr, mask;
struct acrn_vm *vm = get_vm_from_vmid(vmid);
uint32_t gsi, pincount;
uint32_t gsi, gsi_count;
if (is_poweroff_vm(vm)) {
len = snprintf(str, size, "\r\nvm is not exist for vmid %hu", vmid);
@@ -1192,9 +1192,12 @@ static void get_vioapic_info(char *str_arg, size_t str_max, uint16_t vmid)
size -= len;
str += len;
pincount = vioapic_pincount(vm);
gsi_count = get_vm_gsicount(vm);
rte.full = 0UL;
for (gsi = 0U; gsi < pincount; gsi++) {
for (gsi = 0U; gsi < gsi_count; gsi++) {
if (is_sos_vm(vm) && (!is_gsi_valid(gsi))) {
continue;
}
vioapic_get_rte(vm, gsi, &rte);
mask = (rte.bits.intr_mask == IOAPIC_RTE_MASK_SET);
remote_irr = (rte.bits.remote_irr == IOAPIC_RTE_REM_IRR);