From: Ofir Bitton Date: Sun, 31 Mar 2024 12:37:32 +0000 (+0300) Subject: accel/habanalbs/gaudi2: reduce interrupt count to 128 X-Git-Tag: v6.11-rc1~141^2~14^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f8422017b2e9331876efcfa07bb7579d5bc3e671;p=thirdparty%2Fkernel%2Flinux.git accel/habanalbs/gaudi2: reduce interrupt count to 128 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 Signed-off-by: Ofir Bitton --- diff --git a/drivers/accel/habanalabs/gaudi2/gaudi2P.h b/drivers/accel/habanalabs/gaudi2/gaudi2P.h index eee41387b269c..05117272cac7e 100644 --- a/drivers/accel/habanalabs/gaudi2/gaudi2P.h +++ b/drivers/accel/habanalabs/gaudi2/gaudi2P.h @@ -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_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_TOTAL_USER_INTERRUPTS - 1), + 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_USER_FIRST = GAUDI2_IRQ_NUM_UNEXPECTED_ERROR + 1, - GAUDI2_IRQ_NUM_USER_LAST = (GAUDI2_IRQ_NUM_USER_FIRST + GAUDI2_NUM_USER_INTERRUPTS - 1), GAUDI2_IRQ_NUM_LAST = (GAUDI2_MSIX_ENTRIES - 1) }; diff --git a/drivers/accel/habanalabs/include/gaudi2/gaudi2.h b/drivers/accel/habanalabs/include/gaudi2/gaudi2.h index 0231d6c55b4a7..753d46a2836be 100644 --- a/drivers/accel/habanalabs/include/gaudi2/gaudi2.h +++ b/drivers/accel/habanalabs/include/gaudi2/gaudi2.h @@ -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 */