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ppc/spapr-caps: Define the pseries-2.12-sxxm machine type 

The sxxm (speculative execution exploit mitigation) machine type is a
variant of the 2.12 machine type with workarounds for speculative
execution vulnerabilities enabled by default.

Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Suraj Jitindar Singh 2018-03-01 17:38:04 +11:00 committed by David Gibson
parent c76c0d3090
commit 813f3cf655
2 changed files with 28 additions and 0 deletions
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17
hw/ppc/spapr.c
View File

@ -3983,6 +3983,23 @@ static void spapr_machine_2_12_class_options(MachineClass *mc)
DEFINE_SPAPR_MACHINE(2_12, "2.12", true);
static void spapr_machine_2_12_sxxm_instance_options(MachineState *machine)
{
spapr_machine_2_12_instance_options(machine);
}
static void spapr_machine_2_12_sxxm_class_options(MachineClass *mc)
{
sPAPRMachineClass *smc = SPAPR_MACHINE_CLASS(mc);
spapr_machine_2_12_class_options(mc);
smc->default_caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_WORKAROUND;
smc->default_caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_WORKAROUND;
smc->default_caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_FIXED_CCD;
}
DEFINE_SPAPR_MACHINE(2_12_sxxm, "2.12-sxxm", false);
/*
* pseries-2.11
*/

11
hw/ppc/spapr_caps.c
View File

@ -335,15 +335,26 @@ static sPAPRCapabilities default_caps_with_cpu(sPAPRMachineState *spapr,
caps = smc->default_caps;
if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_3_00,
0, spapr->max_compat_pvr)) {
caps.caps[SPAPR_CAP_CFPC] = SPAPR_CAP_BROKEN;
}
if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_07,
0, spapr->max_compat_pvr)) {
caps.caps[SPAPR_CAP_HTM] = SPAPR_CAP_OFF;
}
if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_06_PLUS,
0, spapr->max_compat_pvr)) {
caps.caps[SPAPR_CAP_SBBC] = SPAPR_CAP_BROKEN;
}
if (!ppc_check_compat(cpu, CPU_POWERPC_LOGICAL_2_06,
0, spapr->max_compat_pvr)) {
caps.caps[SPAPR_CAP_VSX] = SPAPR_CAP_OFF;
caps.caps[SPAPR_CAP_DFP] = SPAPR_CAP_OFF;
caps.caps[SPAPR_CAP_IBS] = SPAPR_CAP_BROKEN;
}
return caps;