tegra: safety: FuSa State notification command

Add support for CMDRESP_FUSA_STATE_NOTIFICATION command.
This command will be sent from L2SS to L1SS when FuSa (Functional
Safety) Manager's state changes.

Bug 200700404

Change-Id: Ice986c17adf809f1eaf2dd7131aa70a5e67f9d1a
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2537820
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/include/linux/tegra_l1ss_ioctl.h b/include/linux/tegra_l1ss_ioctl.h
index f42697499..847a169df 100644
--- a/include/linux/tegra_l1ss_ioctl.h
+++ b/include/linux/tegra_l1ss_ioctl.h
@@ -85,6 +85,27 @@ typedef uint32_t nv_guard_group_id_t;
  * Denotes diagnostic tests
  */
 #define NVGUARD_SERVICECLASS_DIAG_TEST                  (2U)
+/*
+ * Defines the FuSa state during initialization.
+ */
+#define NVGUARD_TEGRA_FUSASTATE_INIT                    (0U)
+/*
+ * Defines the FuSa state when no error is reported to 3LSS
+ */
+#define NVGUARD_TEGRA_FUSASTATE_NOERROR                 (1U)
+/*
+ * Defines the FuSa state when an error is reported to 3LSS
+ */
+#define NVGUARD_TEGRA_FUSASTATE_ERROR                   (2U)
+
+/* Defines a change in the FuSa state.
+ */
+#define NVGUARD_SUPPNOTIF_FUSASTATE_CHANGE              (0U)
+
+/*
+ * Defines the availability of user data to be read.
+ */
+#define NVGUARD_SUPPNOTIF_USERMSG_READY                 (1U)
 
 /*
  * Defines the maximum length of user message, in bytes.
@@ -215,6 +236,20 @@ typedef struct {
         nv_guard_group_state_t state;
 } nv_guard_query_grp_state_t;
 
+/* Holds Tegra FuSa state.
+ *
+ * @valuerange
+ * - NVGUARD_TEGRA_FUSASTATE_INIT
+ * - NVGUARD_TEGRA_FUSASTATE_NOERROR
+ * - NVGUARD_TEGRA_FUSASTATE_ERROR
+ */
+typedef uint8_t nv_guard_FuSa_state_t;
+
+/* Supplementary notification of type 'nv_guard_supplementary_notification_t'.
+ * Argument for supplementary notification callback registered by clients
+ */
+typedef uint8_t nv_guard_supplementary_notification_t;
+
 /*
  * Defines the user application message transferred to 3LSS. User messages
  *  are transmitted between Application SW at CCPLEX to MCU.