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habanalabs: remove security from ARB_MST_QUIET register
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[ Upstream commit acd330c ]

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: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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@Farah-kassabri @gregkh
Farah-kassabri authored and gregkh committed Nov 5, 2020
1 parent a00e6c3 commit 66b70f6
Showing 1 changed file with 19 additions and 36 deletions.
55 changes: 19 additions & 36 deletions drivers/misc/habanalabs/gaudi/gaudi_security.c
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Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down Expand Up @@ -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);
Expand Down

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