[PATCH 5.7 122/244] habanalabs: Align protection bits configuration of all TPCs

20 Jul 2020

From: Tomer Tayar ttayar@habana.ai
commit 79c823c57e69d9e584a5ee4ee6406eb3854393ae upstream.
Align the protection bits configuration of all TPC cores to be as of TPC
core 0.
Fixes: a513f9a7eca5 ("habanalabs: make tpc registers secured")
Signed-off-by: Tomer Tayar ttayar@habana.ai
Reviewed-by: Oded Gabbay oded.gabbay@gmail.com
Signed-off-by: Oded Gabbay oded.gabbay@gmail.com
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
---
 drivers/misc/habanalabs/goya/goya_security.c |   99 ++++++++++++++++++++++++++-
 1 file changed, 98 insertions(+), 1 deletion(-)

--- a/drivers/misc/habanalabs/goya/goya_security.c
+++ b/drivers/misc/habanalabs/goya/goya_security.c
@@ -695,7 +695,6 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC0_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC0_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC0_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
-	mask |= 1 << ((mmTPC0_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC0_CFG_TPC_STALL & 0x7F) >> 2);
    mask |= 1 << ((mmTPC0_CFG_MSS_CONFIG & 0x7F) >> 2);
    mask |= 1 << ((mmTPC0_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
@@ -875,6 +874,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC1_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC1_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC1_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC1_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC1_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC1_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) + PROT_BITS_OFFS;
    word_offset = ((mmTPC1_CFG_CFG_BASE_ADDRESS_HIGH &
    		PROT_BITS_OFFS) >> 7) << 2;
@@ -882,6 +891,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC1_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC1_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC1_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC1_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);
@@ -1057,6 +1070,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC2_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC2_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC2_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC2_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC2_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC2_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) + PROT_BITS_OFFS;
    word_offset = ((mmTPC2_CFG_CFG_BASE_ADDRESS_HIGH &
    		PROT_BITS_OFFS) >> 7) << 2;
@@ -1064,6 +1087,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC2_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC2_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC2_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC2_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);
@@ -1239,6 +1266,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC3_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC3_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC3_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC3_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC3_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC3_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) + PROT_BITS_OFFS;
    word_offset = ((mmTPC3_CFG_CFG_BASE_ADDRESS_HIGH
    		& PROT_BITS_OFFS) >> 7) << 2;
@@ -1246,6 +1283,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC3_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC3_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC3_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC3_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);
@@ -1421,6 +1462,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC4_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC4_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC4_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC4_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC4_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC4_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) + PROT_BITS_OFFS;
    word_offset = ((mmTPC4_CFG_CFG_BASE_ADDRESS_HIGH &
    		PROT_BITS_OFFS) >> 7) << 2;
@@ -1428,6 +1479,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC4_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC4_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC4_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC4_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);
@@ -1603,6 +1658,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC5_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC5_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC5_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC5_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC5_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC5_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) + PROT_BITS_OFFS;
    word_offset = ((mmTPC5_CFG_CFG_BASE_ADDRESS_HIGH &
    		PROT_BITS_OFFS) >> 7) << 2;
@@ -1610,6 +1675,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC5_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC5_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC5_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC5_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);
@@ -1785,6 +1854,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC6_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC6_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC6_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC6_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC6_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC6_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) + PROT_BITS_OFFS;
    word_offset = ((mmTPC6_CFG_CFG_BASE_ADDRESS_HIGH &
    		PROT_BITS_OFFS) >> 7) << 2;
@@ -1792,6 +1871,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC6_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC6_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC6_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC6_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);
@@ -1967,6 +2050,16 @@ static void goya_init_tpc_protection_bit
    goya_pb_set_block(hdev, mmTPC7_RD_REGULATOR_BASE);
    goya_pb_set_block(hdev, mmTPC7_WR_REGULATOR_BASE);
+	pb_addr = (mmTPC7_CFG_SEMAPHORE & ~0xFFF) + PROT_BITS_OFFS;
+	word_offset = ((mmTPC7_CFG_SEMAPHORE & PROT_BITS_OFFS) >> 7) << 2;
+
+	mask = 1 << ((mmTPC7_CFG_SEMAPHORE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_VFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_SFLAGS & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_STATUS & 0x7F) >> 2);
+
+	WREG32(pb_addr + word_offset, ~mask);
+
    pb_addr = (mmTPC7_CFG_CFG_BASE_ADDRESS_HIGH & ~0xFFF) +	PROT_BITS_OFFS;
    word_offset = ((mmTPC7_CFG_CFG_BASE_ADDRESS_HIGH &
    		PROT_BITS_OFFS) >> 7) << 2;
@@ -1974,6 +2067,10 @@ static void goya_init_tpc_protection_bit
    mask |= 1 << ((mmTPC7_CFG_CFG_SUBTRACT_VALUE & 0x7F) >> 2);
    mask |= 1 << ((mmTPC7_CFG_SM_BASE_ADDRESS_LOW & 0x7F) >> 2);
    mask |= 1 << ((mmTPC7_CFG_SM_BASE_ADDRESS_HIGH & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_TPC_STALL & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_MSS_CONFIG & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_TPC_INTR_CAUSE & 0x7F) >> 2);
+	mask |= 1 << ((mmTPC7_CFG_TPC_INTR_MASK & 0x7F) >> 2);
WREG32(pb_addr + word_offset, ~mask);

    

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[PATCH 5.7 122/244] habanalabs: Align protection bits configuration of all TPCs