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authorShyam Sundar S K <Shyam-sundar.S-k@amd.com>2023-12-12 04:46:59 +0300
committerHans de Goede <hdegoede@redhat.com>2023-12-18 14:47:46 +0300
commitf4627dfd0e1924ad31c6476c0fc2308cfe12b561 (patch)
treeb24fc6092b14931f797409e07dcd8d9b01b1c7e1 /drivers/platform/x86/amd/pmf/tee-if.c
parentc7af165372a8612eae08dbbab787d1d84d7f0384 (diff)
downloadlinux-f4627dfd0e1924ad31c6476c0fc2308cfe12b561.tar.xz
platform/x86/amd/pmf: Add support to get inputs from other subsystems
PMF driver sends changing inputs from each subystem to TA for evaluating the conditions in the policy binary. Add initial support of plumbing in the PMF driver for Smart PC to get information from other subsystems in the kernel. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Link: https://lore.kernel.org/r/20231212014705.2017474-7-Shyam-sundar.S-k@amd.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/amd/pmf/tee-if.c')
-rw-r--r--drivers/platform/x86/amd/pmf/tee-if.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c
index f99dc79ebb40..e96db406e91b 100644
--- a/drivers/platform/x86/amd/pmf/tee-if.c
+++ b/drivers/platform/x86/amd/pmf/tee-if.c
@@ -113,6 +113,7 @@ static int amd_pmf_invoke_cmd_enact(struct amd_pmf_dev *dev)
{
struct ta_pmf_shared_memory *ta_sm = NULL;
struct ta_pmf_enact_result *out = NULL;
+ struct ta_pmf_enact_table *in = NULL;
struct tee_param param[MAX_TEE_PARAM];
struct tee_ioctl_invoke_arg arg;
int ret = 0;
@@ -123,11 +124,13 @@ static int amd_pmf_invoke_cmd_enact(struct amd_pmf_dev *dev)
memset(dev->shbuf, 0, dev->policy_sz);
ta_sm = dev->shbuf;
out = &ta_sm->pmf_output.policy_apply_table;
+ in = &ta_sm->pmf_input.enact_table;
memset(ta_sm, 0, sizeof(*ta_sm));
ta_sm->command_id = TA_PMF_COMMAND_POLICY_BUILDER_ENACT_POLICIES;
ta_sm->if_version = PMF_TA_IF_VERSION_MAJOR;
+ amd_pmf_populate_ta_inputs(dev, in);
amd_pmf_prepare_args(dev, TA_PMF_COMMAND_POLICY_BUILDER_ENACT_POLICIES, &arg, param);
ret = tee_client_invoke_func(dev->tee_ctx, &arg, param);