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accel/habanalbs/gaudi2: reduce interrupt count to 128

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Some systems allow a maximum number of 128 MSI-X interrupts.
Hence we reduce the interrupt count to 128 instead of 512.

Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Ofir Bitton <obitton@habana.ai>
This commit is contained in:
Ofir Bitton 2024-03-31 15:37:32 +03:00
parent 61f4f624ea
commit f8422017b2
2 changed files with 7 additions and 7 deletions
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10
drivers/accel/habanalabs/gaudi2/gaudi2P.h
View File

@ -384,7 +384,7 @@ enum gaudi2_edma_id {
/* User interrupt count is aligned with HW CQ count.
* We have 64 CQ's per dcore, CQ0 in dcore 0 is reserved for legacy mode
*/
#define GAUDI2_NUM_USER_INTERRUPTS 255
#define GAUDI2_NUM_USER_INTERRUPTS 64
#define GAUDI2_NUM_RESERVED_INTERRUPTS 1
#define GAUDI2_TOTAL_USER_INTERRUPTS (GAUDI2_NUM_USER_INTERRUPTS + GAUDI2_NUM_RESERVED_INTERRUPTS)
@ -416,11 +416,11 @@ enum gaudi2_irq_num {
GAUDI2_IRQ_NUM_NIC_PORT_LAST = (GAUDI2_IRQ_NUM_NIC_PORT_FIRST + NIC_NUMBER_OF_PORTS - 1),
GAUDI2_IRQ_NUM_TPC_ASSERT,
GAUDI2_IRQ_NUM_EQ_ERROR,
GAUDI2_IRQ_NUM_RESERVED_FIRST,
GAUDI2_IRQ_NUM_RESERVED_LAST = (GAUDI2_MSIX_ENTRIES - GAUDI2_TOTAL_USER_INTERRUPTS - 1),
GAUDI2_IRQ_NUM_UNEXPECTED_ERROR = RESERVED_MSIX_UNEXPECTED_USER_ERROR_INTERRUPT,
GAUDI2_IRQ_NUM_USER_FIRST = GAUDI2_IRQ_NUM_UNEXPECTED_ERROR + 1,
GAUDI2_IRQ_NUM_USER_FIRST,
GAUDI2_IRQ_NUM_USER_LAST = (GAUDI2_IRQ_NUM_USER_FIRST + GAUDI2_NUM_USER_INTERRUPTS - 1),
GAUDI2_IRQ_NUM_RESERVED_FIRST,
GAUDI2_IRQ_NUM_RESERVED_LAST = (GAUDI2_MSIX_ENTRIES - GAUDI2_NUM_RESERVED_INTERRUPTS - 1),
GAUDI2_IRQ_NUM_UNEXPECTED_ERROR = RESERVED_MSIX_UNEXPECTED_USER_ERROR_INTERRUPT,
GAUDI2_IRQ_NUM_LAST = (GAUDI2_MSIX_ENTRIES - 1)
};

4
drivers/accel/habanalabs/include/gaudi2/gaudi2.h
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@ -63,9 +63,9 @@
#define RESERVED_VA_RANGE_FOR_ARC_ON_HOST_HPAGE_START 0xFFF0F80000000000ull
#define RESERVED_VA_RANGE_FOR_ARC_ON_HOST_HPAGE_END 0xFFF0FFFFFFFFFFFFull
#define RESERVED_MSIX_UNEXPECTED_USER_ERROR_INTERRUPT 256
#define RESERVED_MSIX_UNEXPECTED_USER_ERROR_INTERRUPT 127
#define GAUDI2_MSIX_ENTRIES 512
#define GAUDI2_MSIX_ENTRIES 128
#define QMAN_PQ_ENTRY_SIZE 16 /* Bytes */