Commit acd330c1 authored by farah kassabri's avatar farah kassabri Committed by Oded Gabbay
Browse files

habanalabs: remove security from ARB_MST_QUIET register 



Allow user application to write to this register in order
to be able to configure the quiet period of the QMAN between grants.

Signed-off-by: default avatarfarah kassabri <fkassabri@habana.ai>
Reviewed-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@gmail.com>
parent 2e5eda46

drivers/misc/habanalabs/gaudi/gaudi_security.c

+19 −36
Original line number Diff line number Diff line
@@ -831,8 +831,7 @@ static void gaudi_init_mme_protection_bits(struct hl_device *hdev) 
			PROT_BITS_OFFS;

	word_offset = ((mmMME0_QM_ARB_MST_CHOISE_PUSH_OFST_23 &

			PROT_BITS_OFFS) >> 7) << 2;

	mask = 1 << ((mmMME0_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmMME0_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmMME0_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmMME0_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmMME0_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmMME0_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -1311,8 +1310,7 @@ static void gaudi_init_mme_protection_bits(struct hl_device *hdev) 
			PROT_BITS_OFFS;

	word_offset = ((mmMME2_QM_ARB_MST_CHOISE_PUSH_OFST_23 &

			PROT_BITS_OFFS) >> 7) << 2;

	mask = 1 << ((mmMME2_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmMME2_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmMME2_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmMME2_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmMME2_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmMME2_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -1790,8 +1788,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA0_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA0_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA0_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA0_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA0_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA0_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA0_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -2186,8 +2183,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA1_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA1_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA1_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA1_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA1_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA1_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA1_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -2582,8 +2578,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA2_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA2_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA2_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA2_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA2_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA2_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA2_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -2978,8 +2973,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA3_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA3_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA3_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA3_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA3_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA3_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA3_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -3374,8 +3368,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA4_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA4_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA4_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA4_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA4_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA4_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA4_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -3770,8 +3763,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA5_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA5_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA5_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA5_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA5_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA5_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA5_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -4166,8 +4158,8 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA6_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA6_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA6_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);



	mask = 1 << ((mmDMA6_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA6_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA6_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA6_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -4562,8 +4554,7 @@ static void gaudi_init_dma_protection_bits(struct hl_device *hdev) 
	word_offset =

		((mmDMA7_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS) >> 7)

		<< 2;

	mask = 1 << ((mmDMA7_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmDMA7_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmDMA7_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA7_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmDMA7_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmDMA7_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -5491,8 +5482,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 


	word_offset = ((mmTPC0_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC0_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC0_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC0_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC0_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC0_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC0_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -5947,8 +5937,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 


	word_offset = ((mmTPC1_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC1_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC1_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC1_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC1_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC1_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC1_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -6402,8 +6391,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 
								PROT_BITS_OFFS;

	word_offset = ((mmTPC2_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC2_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC2_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC2_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC2_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC2_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC2_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -6857,8 +6845,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 
								PROT_BITS_OFFS;

	word_offset = ((mmTPC3_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC3_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC3_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC3_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC3_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC3_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC3_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -7312,8 +7299,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 
								PROT_BITS_OFFS;

	word_offset = ((mmTPC4_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC4_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC4_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC4_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC4_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC4_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC4_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -7767,8 +7753,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 
								PROT_BITS_OFFS;

	word_offset = ((mmTPC5_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC5_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC5_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC5_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC5_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC5_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC5_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -8223,8 +8208,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 


	word_offset = ((mmTPC6_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC6_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC6_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC6_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC6_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC6_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC6_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);
@@ -8681,8 +8665,7 @@ static void gaudi_init_tpc_protection_bits(struct hl_device *hdev) 
			PROT_BITS_OFFS;

	word_offset = ((mmTPC7_QM_ARB_MST_CHOISE_PUSH_OFST_23 & PROT_BITS_OFFS)

								>> 7) << 2;

	mask = 1 << ((mmTPC7_QM_ARB_MST_QUIET_PER & 0x7F) >> 2);

	mask |= 1 << ((mmTPC7_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask = 1 << ((mmTPC7_QM_ARB_SLV_CHOISE_WDT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC7_QM_ARB_MSG_MAX_INFLIGHT & 0x7F) >> 2);

	mask |= 1 << ((mmTPC7_QM_ARB_MSG_AWUSER_31_11 & 0x7F) >> 2);

	mask |= 1 << ((mmTPC7_QM_ARB_MSG_AWUSER_SEC_PROP & 0x7F) >> 2);

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