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Tue, 21 Nov 2023 08:12:53 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1783190708775339982 X-GMAIL-MSGID: 1783190708775339982 The secure boot state of the BlueField SoC is represented by two bits: 0 = production state 1 = secure boot enabled 2 = non-secure (secure boot disabled) 3 = RMA state There is also a single bit to indicate whether production keys or development keys are being used when secure boot is enabled. The current logic in "lifecycle_state_show()" does not handle the case where the SoC is configured for secure boot and is using development keys. This patch updates the logic in "lifecycle_state_show()" to support this combination and properly report this state. Fixes: 79e29cb8fbc5c ("platform/mellanox: Add bootctl driver for Mellanox BlueField Soc") Reviewed-by: Khalil Blaiech Signed-off-by: David Thompson --- v1->v2 a) commit message was expanded and re-worded for clarity b) replaced use of hardcoded 0x10 with BIT(4) for MLXBF_BOOTCTL_SB_DEV_MASK --- drivers/platform/mellanox/mlxbf-bootctl.c | 24 +++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) diff --git a/drivers/platform/mellanox/mlxbf-bootctl.c b/drivers/platform/mellanox/mlxbf-bootctl.c index 1ac7dab22c63..13c62a97a6f7 100644 --- a/drivers/platform/mellanox/mlxbf-bootctl.c +++ b/drivers/platform/mellanox/mlxbf-bootctl.c @@ -20,6 +20,7 @@ #define MLXBF_BOOTCTL_SB_SECURE_MASK 0x03 #define MLXBF_BOOTCTL_SB_TEST_MASK 0x0c +#define MLXBF_BOOTCTL_SB_DEV_MASK BIT(4) #define MLXBF_SB_KEY_NUM 4 @@ -40,11 +41,18 @@ static struct mlxbf_bootctl_name boot_names[] = { { MLXBF_BOOTCTL_NONE, "none" }, }; +enum { + MLXBF_BOOTCTL_SB_LIFECYCLE_PRODUCTION = 0, + MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE = 1, + MLXBF_BOOTCTL_SB_LIFECYCLE_GA_NON_SECURE = 2, + MLXBF_BOOTCTL_SB_LIFECYCLE_RMA = 3 +}; + static const char * const mlxbf_bootctl_lifecycle_states[] = { - [0] = "Production", - [1] = "GA Secured", - [2] = "GA Non-Secured", - [3] = "RMA", + [MLXBF_BOOTCTL_SB_LIFECYCLE_PRODUCTION] = "Production", + [MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE] = "GA Secured", + [MLXBF_BOOTCTL_SB_LIFECYCLE_GA_NON_SECURE] = "GA Non-Secured", + [MLXBF_BOOTCTL_SB_LIFECYCLE_RMA] = "RMA", }; /* Log header format. */ @@ -254,8 +262,9 @@ static ssize_t lifecycle_state_show(struct device *dev, if (lc_state < 0) return lc_state; - lc_state &= - MLXBF_BOOTCTL_SB_TEST_MASK | MLXBF_BOOTCTL_SB_SECURE_MASK; + lc_state &= (MLXBF_BOOTCTL_SB_TEST_MASK | + MLXBF_BOOTCTL_SB_SECURE_MASK | + MLXBF_BOOTCTL_SB_DEV_MASK); /* * If the test bits are set, we specify that the current state may be @@ -266,6 +275,9 @@ static ssize_t lifecycle_state_show(struct device *dev, return sprintf(buf, "%s(test)\n", mlxbf_bootctl_lifecycle_states[lc_state]); + } else if ((lc_state & MLXBF_BOOTCTL_SB_SECURE_MASK) == MLXBF_BOOTCTL_SB_LIFECYCLE_GA_SECURE + && (lc_state & MLXBF_BOOTCTL_SB_DEV_MASK)) { + return sprintf(buf, "Secured (development)\n"); } return sprintf(buf, "%s\n", mlxbf_bootctl_lifecycle_states[lc_state]);