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authorGiovanni Cabiddu <giovanni.cabiddu@intel.com>2020-10-12 21:38:35 +0100
committerHerbert Xu <herbert@gondor.apana.org.au>2020-10-30 17:34:55 +1100
commit95a212bb7f1c9c75a5ae72277c734f8bf8fc04e4 (patch)
tree42965f98c46f1049468d6bcd1818f7dc68d92c08 /drivers/crypto
parent070a34c9dfa3eeb0b18d63c6fec5dfe7861a43ac (diff)
crypto: qat - abstract build ring base
Abstract the implementation of BUILD_RING_BASE_ADDR. This is in preparation for the introduction of the qat_4xxx driver since the value of the ring base differs between QAT GEN2 and QAT GEN4 devices. Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Reviewed-by: Wojciech Ziemba <wojciech.ziemba@intel.com> Reviewed-by: Maksim Lukoshkov <maksim.lukoshkov@intel.com> Reviewed-by: Fiona Trahe <fiona.trahe@intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/qat/qat_common/adf_accel_devices.h1
-rw-r--r--drivers/crypto/qat/qat_common/adf_gen2_hw_data.c6
-rw-r--r--drivers/crypto/qat/qat_common/adf_gen2_hw_data.h2
-rw-r--r--drivers/crypto/qat/qat_common/adf_transport.c4
-rw-r--r--drivers/crypto/qat/qat_common/adf_transport_access_macros.h2
5 files changed, 12 insertions, 3 deletions
diff --git a/drivers/crypto/qat/qat_common/adf_accel_devices.h b/drivers/crypto/qat/qat_common/adf_accel_devices.h
index 692e39e5e878..1fd32c56b119 100644
--- a/drivers/crypto/qat/qat_common/adf_accel_devices.h
+++ b/drivers/crypto/qat/qat_common/adf_accel_devices.h
@@ -110,6 +110,7 @@ struct admin_info {
};
struct adf_hw_csr_ops {
+ u64 (*build_csr_ring_base_addr)(dma_addr_t addr, u32 size);
u32 (*read_csr_ring_head)(void __iomem *csr_base_addr, u32 bank,
u32 ring);
void (*write_csr_ring_head)(void __iomem *csr_base_addr, u32 bank,
diff --git a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c
index d5560e714167..5de359165ab4 100644
--- a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c
+++ b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.c
@@ -55,6 +55,11 @@ void adf_gen2_get_arb_info(struct arb_info *arb_info)
}
EXPORT_SYMBOL_GPL(adf_gen2_get_arb_info);
+static u64 build_csr_ring_base_addr(dma_addr_t addr, u32 size)
+{
+ return BUILD_RING_BASE_ADDR(addr, size);
+}
+
static u32 read_csr_ring_head(void __iomem *csr_base_addr, u32 bank, u32 ring)
{
return READ_CSR_RING_HEAD(csr_base_addr, bank, ring);
@@ -124,6 +129,7 @@ static void write_csr_int_flag_and_col(void __iomem *csr_base_addr, u32 bank,
void adf_gen2_init_hw_csr_ops(struct adf_hw_csr_ops *csr_ops)
{
+ csr_ops->build_csr_ring_base_addr = build_csr_ring_base_addr;
csr_ops->read_csr_ring_head = read_csr_ring_head;
csr_ops->write_csr_ring_head = write_csr_ring_head;
csr_ops->read_csr_ring_tail = read_csr_ring_tail;
diff --git a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h
index 6c860aedb301..212ff395201f 100644
--- a/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h
+++ b/drivers/crypto/qat/qat_common/adf_gen2_hw_data.h
@@ -23,6 +23,8 @@
#define ADF_RING_CSR_INT_COL_CTL_ENABLE 0x80000000
#define ADF_RING_BUNDLE_SIZE 0x1000
+#define BUILD_RING_BASE_ADDR(addr, size) \
+ (((addr) >> 6) & (0xFFFFFFFFFFFFFFFFULL << (size)))
#define READ_CSR_RING_HEAD(csr_base_addr, bank, ring) \
ADF_CSR_RD(csr_base_addr, (ADF_RING_BUNDLE_SIZE * (bank)) + \
ADF_RING_CSR_RING_HEAD + ((ring) << 2))
diff --git a/drivers/crypto/qat/qat_common/adf_transport.c b/drivers/crypto/qat/qat_common/adf_transport.c
index 03fb7812818b..dd8f94fcb9a8 100644
--- a/drivers/crypto/qat/qat_common/adf_transport.c
+++ b/drivers/crypto/qat/qat_common/adf_transport.c
@@ -180,7 +180,9 @@ static int adf_init_ring(struct adf_etr_ring_data *ring)
else
adf_configure_rx_ring(ring);
- ring_base = BUILD_RING_BASE_ADDR(ring->dma_addr, ring->ring_size);
+ ring_base = csr_ops->build_csr_ring_base_addr(ring->dma_addr,
+ ring->ring_size);
+
csr_ops->write_csr_ring_base(ring->bank->csr_addr,
ring->bank->bank_number, ring->ring_number,
ring_base);
diff --git a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
index 4642b0b5cfb0..12b1605a740e 100644
--- a/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
+++ b/drivers/crypto/qat/qat_common/adf_transport_access_macros.h
@@ -56,6 +56,4 @@
((watermark_nf << ADF_RING_CONFIG_NEAR_FULL_WM) \
| (watermark_ne << ADF_RING_CONFIG_NEAR_EMPTY_WM) \
| size)
-#define BUILD_RING_BASE_ADDR(addr, size) \
- ((addr >> 6) & (0xFFFFFFFFFFFFFFFFULL << size))
#endif