From: Ofir Bitton Date: Mon, 24 May 2021 19:58:44 +0000 (+0300) Subject: habanalabs/gaudi: don't use disabled ports in collective wait X-Git-Tag: accepted/tizen/unified/20230118.172025~6891^2~28^2~31 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a39725819c816c87c6b4eeca4c10197a41e2a928;p=platform%2Fkernel%2Flinux-rpi.git habanalabs/gaudi: don't use disabled ports in collective wait In the collective wait, we put jobs on the QMANs of all the NICs. The code takes into account if a port is disabled only in case of PCI card. When this info arrives from the f/w, the code doesn't take it into account, and it tries to schedule jobs on NICs that aren't enabled and thats a bug. To fix this, after the f/w sends us the list of disabled ports, we update the state of the QMANs according to that list. In addition, we need to update the HW_CAP bits so the collective wait operation will not try to use those QMANs. We also need to update the collective master monitor mask. Moreover, we need to add a protection for such future cases and in case the user will try to submit work to those QMANs. Signed-off-by: Ofir Bitton Reviewed-by: Oded Gabbay Signed-off-by: Oded Gabbay --- diff --git a/drivers/misc/habanalabs/gaudi/gaudi.c b/drivers/misc/habanalabs/gaudi/gaudi.c index ee1ab71..476dbe6a 100644 --- a/drivers/misc/habanalabs/gaudi/gaudi.c +++ b/drivers/misc/habanalabs/gaudi/gaudi.c @@ -1000,9 +1000,27 @@ static void gaudi_sob_group_reset_error(struct kref *ref) hw_sob_group->base_sob_id); } +static void gaudi_collective_mstr_sob_mask_set(struct gaudi_device *gaudi) +{ + struct gaudi_collective_properties *prop; + int i; + + prop = &gaudi->collective_props; + + memset(prop->mstr_sob_mask, 0, sizeof(prop->mstr_sob_mask)); + + for (i = 0 ; i < NIC_NUMBER_OF_ENGINES ; i++) + if (gaudi->hw_cap_initialized & BIT(HW_CAP_NIC_SHIFT + i)) + prop->mstr_sob_mask[i / HL_MAX_SOBS_PER_MONITOR] |= + BIT(i % HL_MAX_SOBS_PER_MONITOR); + /* Set collective engine bit */ + prop->mstr_sob_mask[i / HL_MAX_SOBS_PER_MONITOR] |= + BIT(i % HL_MAX_SOBS_PER_MONITOR); +} + static int gaudi_collective_init(struct hl_device *hdev) { - u32 i, master_monitor_sobs, sob_id, reserved_sobs_per_group; + u32 i, sob_id, reserved_sobs_per_group; struct gaudi_collective_properties *prop; struct gaudi_device *gaudi; @@ -1028,22 +1046,7 @@ static int gaudi_collective_init(struct hl_device *hdev) gaudi_collective_map_sobs(hdev, i); } - prop->mstr_sob_mask[0] = 0; - master_monitor_sobs = HL_MAX_SOBS_PER_MONITOR; - for (i = 0 ; i < master_monitor_sobs ; i++) - if (gaudi->hw_cap_initialized & BIT(HW_CAP_NIC_SHIFT + i)) - prop->mstr_sob_mask[0] |= BIT(i); - - prop->mstr_sob_mask[1] = 0; - master_monitor_sobs = - NIC_NUMBER_OF_ENGINES - HL_MAX_SOBS_PER_MONITOR; - for (i = 0 ; i < master_monitor_sobs; i++) { - if (gaudi->hw_cap_initialized & BIT(HW_CAP_NIC_SHIFT + i)) - prop->mstr_sob_mask[1] |= BIT(i); - } - - /* Set collective engine bit */ - prop->mstr_sob_mask[1] |= BIT(i); + gaudi_collective_mstr_sob_mask_set(gaudi); return 0; } @@ -4272,8 +4275,8 @@ static void gaudi_ring_doorbell(struct hl_device *hdev, u32 hw_queue_id, u32 pi) &hdev->fw_loader.dynamic_loader.comm_desc.cpu_dyn_regs; u32 db_reg_offset, db_value, dma_qm_offset, q_off, irq_handler_offset; struct gaudi_device *gaudi = hdev->asic_specific; - int dma_id; bool invalid_queue = false; + int dma_id; switch (hw_queue_id) { case GAUDI_QUEUE_ID_DMA_0_0...GAUDI_QUEUE_ID_DMA_0_3: @@ -4499,164 +4502,84 @@ static void gaudi_ring_doorbell(struct hl_device *hdev, u32 hw_queue_id, u32 pi) db_reg_offset = mmTPC7_QM_PQ_PI_3; break; - case GAUDI_QUEUE_ID_NIC_0_0: - db_reg_offset = mmNIC0_QM0_PQ_PI_0; - break; - - case GAUDI_QUEUE_ID_NIC_0_1: - db_reg_offset = mmNIC0_QM0_PQ_PI_1; - break; - - case GAUDI_QUEUE_ID_NIC_0_2: - db_reg_offset = mmNIC0_QM0_PQ_PI_2; - break; - - case GAUDI_QUEUE_ID_NIC_0_3: - db_reg_offset = mmNIC0_QM0_PQ_PI_3; - break; - - case GAUDI_QUEUE_ID_NIC_1_0: - db_reg_offset = mmNIC0_QM1_PQ_PI_0; - break; - - case GAUDI_QUEUE_ID_NIC_1_1: - db_reg_offset = mmNIC0_QM1_PQ_PI_1; - break; - - case GAUDI_QUEUE_ID_NIC_1_2: - db_reg_offset = mmNIC0_QM1_PQ_PI_2; - break; - - case GAUDI_QUEUE_ID_NIC_1_3: - db_reg_offset = mmNIC0_QM1_PQ_PI_3; - break; - - case GAUDI_QUEUE_ID_NIC_2_0: - db_reg_offset = mmNIC1_QM0_PQ_PI_0; - break; - - case GAUDI_QUEUE_ID_NIC_2_1: - db_reg_offset = mmNIC1_QM0_PQ_PI_1; - break; - - case GAUDI_QUEUE_ID_NIC_2_2: - db_reg_offset = mmNIC1_QM0_PQ_PI_2; - break; - - case GAUDI_QUEUE_ID_NIC_2_3: - db_reg_offset = mmNIC1_QM0_PQ_PI_3; - break; - - case GAUDI_QUEUE_ID_NIC_3_0: - db_reg_offset = mmNIC1_QM1_PQ_PI_0; - break; - - case GAUDI_QUEUE_ID_NIC_3_1: - db_reg_offset = mmNIC1_QM1_PQ_PI_1; - break; - - case GAUDI_QUEUE_ID_NIC_3_2: - db_reg_offset = mmNIC1_QM1_PQ_PI_2; - break; - - case GAUDI_QUEUE_ID_NIC_3_3: - db_reg_offset = mmNIC1_QM1_PQ_PI_3; - break; - - case GAUDI_QUEUE_ID_NIC_4_0: - db_reg_offset = mmNIC2_QM0_PQ_PI_0; - break; - - case GAUDI_QUEUE_ID_NIC_4_1: - db_reg_offset = mmNIC2_QM0_PQ_PI_1; - break; - - case GAUDI_QUEUE_ID_NIC_4_2: - db_reg_offset = mmNIC2_QM0_PQ_PI_2; - break; + case GAUDI_QUEUE_ID_NIC_0_0...GAUDI_QUEUE_ID_NIC_0_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC0)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_4_3: - db_reg_offset = mmNIC2_QM0_PQ_PI_3; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC0_QM0_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_5_0: - db_reg_offset = mmNIC2_QM1_PQ_PI_0; - break; + case GAUDI_QUEUE_ID_NIC_1_0...GAUDI_QUEUE_ID_NIC_1_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC1)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_5_1: - db_reg_offset = mmNIC2_QM1_PQ_PI_1; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC0_QM1_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_5_2: - db_reg_offset = mmNIC2_QM1_PQ_PI_2; - break; + case GAUDI_QUEUE_ID_NIC_2_0...GAUDI_QUEUE_ID_NIC_2_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC2)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_5_3: - db_reg_offset = mmNIC2_QM1_PQ_PI_3; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC1_QM0_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_6_0: - db_reg_offset = mmNIC3_QM0_PQ_PI_0; - break; - - case GAUDI_QUEUE_ID_NIC_6_1: - db_reg_offset = mmNIC3_QM0_PQ_PI_1; - break; + case GAUDI_QUEUE_ID_NIC_3_0...GAUDI_QUEUE_ID_NIC_3_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC3)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_6_2: - db_reg_offset = mmNIC3_QM0_PQ_PI_2; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC1_QM1_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_6_3: - db_reg_offset = mmNIC3_QM0_PQ_PI_3; - break; + case GAUDI_QUEUE_ID_NIC_4_0...GAUDI_QUEUE_ID_NIC_4_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC4)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_7_0: - db_reg_offset = mmNIC3_QM1_PQ_PI_0; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC2_QM0_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_7_1: - db_reg_offset = mmNIC3_QM1_PQ_PI_1; - break; + case GAUDI_QUEUE_ID_NIC_5_0...GAUDI_QUEUE_ID_NIC_5_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC5)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_7_2: - db_reg_offset = mmNIC3_QM1_PQ_PI_2; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC2_QM1_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_7_3: - db_reg_offset = mmNIC3_QM1_PQ_PI_3; - break; - - case GAUDI_QUEUE_ID_NIC_8_0: - db_reg_offset = mmNIC4_QM0_PQ_PI_0; - break; + case GAUDI_QUEUE_ID_NIC_6_0...GAUDI_QUEUE_ID_NIC_6_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC6)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_8_1: - db_reg_offset = mmNIC4_QM0_PQ_PI_1; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC3_QM0_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_8_2: - db_reg_offset = mmNIC4_QM0_PQ_PI_2; - break; + case GAUDI_QUEUE_ID_NIC_7_0...GAUDI_QUEUE_ID_NIC_7_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC7)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_8_3: - db_reg_offset = mmNIC4_QM0_PQ_PI_3; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC3_QM1_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_9_0: - db_reg_offset = mmNIC4_QM1_PQ_PI_0; - break; + case GAUDI_QUEUE_ID_NIC_8_0...GAUDI_QUEUE_ID_NIC_8_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC8)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_9_1: - db_reg_offset = mmNIC4_QM1_PQ_PI_1; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC4_QM0_PQ_PI_0 + q_off; break; - case GAUDI_QUEUE_ID_NIC_9_2: - db_reg_offset = mmNIC4_QM1_PQ_PI_2; - break; + case GAUDI_QUEUE_ID_NIC_9_0...GAUDI_QUEUE_ID_NIC_9_3: + if (!(gaudi->hw_cap_initialized & HW_CAP_NIC9)) + invalid_queue = true; - case GAUDI_QUEUE_ID_NIC_9_3: - db_reg_offset = mmNIC4_QM1_PQ_PI_3; + q_off = ((hw_queue_id - 1) & 0x3) * 4; + db_reg_offset = mmNIC4_QM1_PQ_PI_0 + q_off; break; default: