diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/firmware_if.c')
-rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 184 |
1 files changed, 121 insertions, 63 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 608ca67527a5..2de6a9bd564d 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -15,14 +15,6 @@ #define FW_FILE_MAX_SIZE 0x1400000 /* maximum size of 20MB */ -struct fw_binning_conf { - u64 tpc_binning; - u32 dec_binning; - u32 hbm_binning; - u32 edma_binning; - u32 mme_redundancy; -}; - static char *extract_fw_ver_from_str(const char *fw_str) { char *str, *fw_ver, *whitespace; @@ -260,7 +252,7 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg, struct cpucp_packet *pkt; dma_addr_t pkt_dma_addr; struct hl_bd *sent_bd; - u32 tmp, expected_ack_val, pi; + u32 tmp, expected_ack_val, pi, opcode; int rc; pkt = hl_cpu_accessible_dma_pool_alloc(hdev, len, &pkt_dma_addr); @@ -327,8 +319,35 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg, rc = (tmp & CPUCP_PKT_CTL_RC_MASK) >> CPUCP_PKT_CTL_RC_SHIFT; if (rc) { - dev_dbg(hdev->dev, "F/W ERROR %d for CPU packet %d\n", - rc, (tmp & CPUCP_PKT_CTL_OPCODE_MASK) >> CPUCP_PKT_CTL_OPCODE_SHIFT); + opcode = (tmp & CPUCP_PKT_CTL_OPCODE_MASK) >> CPUCP_PKT_CTL_OPCODE_SHIFT; + + if (!prop->supports_advanced_cpucp_rc) { + dev_dbg(hdev->dev, "F/W ERROR %d for CPU packet %d\n", rc, opcode); + goto scrub_descriptor; + } + + switch (rc) { + case cpucp_packet_invalid: + dev_err(hdev->dev, + "CPU packet %d is not supported by F/W\n", opcode); + break; + case cpucp_packet_fault: + dev_err(hdev->dev, + "F/W failed processing CPU packet %d\n", opcode); + break; + case cpucp_packet_invalid_pkt: + dev_dbg(hdev->dev, + "CPU packet %d is not supported by F/W\n", opcode); + break; + case cpucp_packet_invalid_params: + dev_err(hdev->dev, + "F/W reports invalid parameters for CPU packet %d\n", opcode); + break; + + default: + dev_err(hdev->dev, + "Unknown F/W ERROR %d for CPU packet %d\n", rc, opcode); + } /* propagate the return code from the f/w to the callers who want to check it */ if (result) @@ -340,6 +359,7 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg, *result = le64_to_cpu(pkt->result); } +scrub_descriptor: /* Scrub previous buffer descriptor 'ctl' field which contains the * previous PI value written during packet submission. * We must do this or else F/W can read an old value upon queue wraparound. @@ -462,6 +482,21 @@ void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size, size); } +int hl_fw_send_device_activity(struct hl_device *hdev, bool open) +{ + struct cpucp_packet pkt; + int rc; + + memset(&pkt, 0, sizeof(pkt)); + pkt.ctl = cpu_to_le32(CPUCP_PACKET_ACTIVE_STATUS_SET << CPUCP_PKT_CTL_OPCODE_SHIFT); + pkt.value = cpu_to_le64(open); + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, NULL); + if (rc) + dev_err(hdev->dev, "failed to send device activity msg(%u)\n", open); + + return rc; +} + int hl_fw_send_heartbeat(struct hl_device *hdev) { struct cpucp_packet hb_pkt; @@ -581,6 +616,15 @@ static bool fw_report_boot_dev0(struct hl_device *hdev, u32 err_val, dev_dbg(hdev->dev, "Device status0 %#x\n", sts_val); /* All warnings should go here in order not to reach the unknown error validation */ + if (err_val & CPU_BOOT_ERR0_EEPROM_FAIL) { + dev_warn(hdev->dev, + "Device boot warning - EEPROM failure detected, default settings applied\n"); + /* This is a warning so we don't want it to disable the + * device + */ + err_val &= ~CPU_BOOT_ERR0_EEPROM_FAIL; + } + if (err_val & CPU_BOOT_ERR0_DRAM_SKIPPED) { dev_warn(hdev->dev, "Device boot warning - Skipped DRAM initialization\n"); @@ -1476,6 +1520,8 @@ static void hl_fw_preboot_update_state(struct hl_device *hdev) */ prop->hard_reset_done_by_fw = !!(cpu_boot_dev_sts0 & CPU_BOOT_DEV_STS0_FW_HARD_RST_EN); + prop->fw_security_enabled = !!(cpu_boot_dev_sts0 & CPU_BOOT_DEV_STS0_SECURITY_EN); + dev_dbg(hdev->dev, "Firmware preboot boot device status0 %#x\n", cpu_boot_dev_sts0); @@ -1514,7 +1560,7 @@ int hl_fw_read_preboot_status(struct hl_device *hdev) hdev->asic_funcs->init_firmware_preload_params(hdev); /* - * In order to determine boot method (static VS dymanic) we need to + * In order to determine boot method (static VS dynamic) we need to * read the boot caps register */ rc = hl_fw_read_preboot_caps(hdev); @@ -1781,7 +1827,7 @@ int hl_fw_dynamic_send_protocol_cmd(struct hl_device *hdev, * * @return the CRC32 result * - * NOTE: kernel's CRC32 differ's from standard CRC32 calculation. + * NOTE: kernel's CRC32 differs from standard CRC32 calculation. * in order to be aligned we need to flip the bits of both the input * initial CRC and kernel's CRC32 result. * in addition both sides use initial CRC of 0, @@ -1798,7 +1844,7 @@ static u32 hl_fw_compat_crc32(u8 *data, size_t size) * * @hdev: pointer to the habanalabs device structure * @addr: device address of memory transfer - * @size: memory transter size + * @size: memory transfer size * @region: PCI memory region * * @return 0 on success, otherwise non-zero error code @@ -1854,50 +1900,36 @@ static int hl_fw_dynamic_validate_descriptor(struct hl_device *hdev, u64 addr; int rc; - if (le32_to_cpu(fw_desc->header.magic) != HL_COMMS_DESC_MAGIC) { - dev_err(hdev->dev, "Invalid magic for dynamic FW descriptor (%x)\n", + if (le32_to_cpu(fw_desc->header.magic) != HL_COMMS_DESC_MAGIC) + dev_warn(hdev->dev, "Invalid magic for dynamic FW descriptor (%x)\n", fw_desc->header.magic); - return -EIO; - } - if (fw_desc->header.version != HL_COMMS_DESC_VER) { - dev_err(hdev->dev, "Invalid version for dynamic FW descriptor (%x)\n", + if (fw_desc->header.version != HL_COMMS_DESC_VER) + dev_warn(hdev->dev, "Invalid version for dynamic FW descriptor (%x)\n", fw_desc->header.version); - return -EIO; - } /* - * calc CRC32 of data without header. + * Calc CRC32 of data without header. use the size of the descriptor + * reported by firmware, without calculating it ourself, to allow adding + * more fields to the lkd_fw_comms_desc structure. * note that no alignment/stride address issues here as all structures - * are 64 bit padded + * are 64 bit padded. */ - data_size = sizeof(struct lkd_fw_comms_desc) - - sizeof(struct comms_desc_header); data_ptr = (u8 *)fw_desc + sizeof(struct comms_desc_header); - - if (le16_to_cpu(fw_desc->header.size) != data_size) { - dev_err(hdev->dev, - "Invalid descriptor size 0x%x, expected size 0x%zx\n", - le16_to_cpu(fw_desc->header.size), data_size); - return -EIO; - } + data_size = le16_to_cpu(fw_desc->header.size); data_crc32 = hl_fw_compat_crc32(data_ptr, data_size); - if (data_crc32 != le32_to_cpu(fw_desc->header.crc32)) { - dev_err(hdev->dev, - "CRC32 mismatch for dynamic FW descriptor (%x:%x)\n", - data_crc32, fw_desc->header.crc32); + dev_err(hdev->dev, "CRC32 mismatch for dynamic FW descriptor (%x:%x)\n", + data_crc32, fw_desc->header.crc32); return -EIO; } /* find memory region to which to copy the image */ addr = le64_to_cpu(fw_desc->img_addr); region_id = hl_get_pci_memory_region(hdev, addr); - if ((region_id != PCI_REGION_SRAM) && - ((region_id != PCI_REGION_DRAM))) { - dev_err(hdev->dev, - "Invalid region to copy FW image address=%llx\n", addr); + if ((region_id != PCI_REGION_SRAM) && ((region_id != PCI_REGION_DRAM))) { + dev_err(hdev->dev, "Invalid region to copy FW image address=%llx\n", addr); return -EIO; } @@ -1914,8 +1946,7 @@ static int hl_fw_dynamic_validate_descriptor(struct hl_device *hdev, fw_loader->dynamic_loader.fw_image_size, region); if (rc) { - dev_err(hdev->dev, - "invalid mem transfer request for FW image\n"); + dev_err(hdev->dev, "invalid mem transfer request for FW image\n"); return rc; } @@ -2422,18 +2453,6 @@ static int hl_fw_dynamic_send_msg(struct hl_device *hdev, msg.reset_cause = *(__u8 *) data; break; - case HL_COMMS_BINNING_CONF_TYPE: - { - struct fw_binning_conf *binning_conf = (struct fw_binning_conf *) data; - - msg.tpc_binning_conf = cpu_to_le64(binning_conf->tpc_binning); - msg.dec_binning_conf = cpu_to_le32(binning_conf->dec_binning); - msg.hbm_binning_conf = cpu_to_le32(binning_conf->hbm_binning); - msg.edma_binning_conf = cpu_to_le32(binning_conf->edma_binning); - msg.mme_redundancy_conf = cpu_to_le32(binning_conf->mme_redundancy); - break; - } - default: dev_err(hdev->dev, "Send COMMS message - invalid message type %u\n", @@ -2503,13 +2522,6 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev, */ dyn_regs = &fw_loader->dynamic_loader.comm_desc.cpu_dyn_regs; - /* if no preboot loaded indication- wait for preboot */ - if (!(hdev->fw_loader.fw_comp_loaded & FW_TYPE_PREBOOT_CPU)) { - rc = hl_fw_wait_preboot_ready(hdev); - if (rc) - return -EIO; - } - rc = hl_fw_dynamic_send_protocol_cmd(hdev, fw_loader, COMMS_RST_STATE, 0, true, fw_loader->cpu_timeout); @@ -2547,7 +2559,7 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev, /* * when testing FW load (without Linux) on PLDM we don't want to * wait until boot fit is active as it may take several hours. - * instead, we load the bootfit and let it do all initializations in + * instead, we load the bootfit and let it do all initialization in * the background. */ if (hdev->pldm && !(hdev->fw_components & FW_TYPE_LINUX)) @@ -2961,3 +2973,49 @@ void hl_fw_set_max_power(struct hl_device *hdev) if (rc) dev_err(hdev->dev, "Failed to set max power, error %d\n", rc); } + +static int hl_fw_get_sec_attest_data(struct hl_device *hdev, u32 packet_id, void *data, u32 size, + u32 nonce, u32 timeout) +{ + struct cpucp_packet pkt = {}; + dma_addr_t req_dma_addr; + void *req_cpu_addr; + int rc; + + req_cpu_addr = hl_cpu_accessible_dma_pool_alloc(hdev, size, &req_dma_addr); + if (!data) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for CPU-CP packet %u\n", packet_id); + return -ENOMEM; + } + + memset(data, 0, size); + + pkt.ctl = cpu_to_le32(packet_id << CPUCP_PKT_CTL_OPCODE_SHIFT); + pkt.addr = cpu_to_le64(req_dma_addr); + pkt.data_max_size = cpu_to_le32(size); + pkt.nonce = cpu_to_le32(nonce); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + timeout, NULL); + if (rc) { + dev_err(hdev->dev, + "Failed to handle CPU-CP pkt %u, error %d\n", packet_id, rc); + goto out; + } + + memcpy(data, req_cpu_addr, size); + +out: + hl_cpu_accessible_dma_pool_free(hdev, size, req_cpu_addr); + + return rc; +} + +int hl_fw_get_sec_attest_info(struct hl_device *hdev, struct cpucp_sec_attest_info *sec_attest_info, + u32 nonce) +{ + return hl_fw_get_sec_attest_data(hdev, CPUCP_PACKET_SEC_ATTEST_GET, sec_attest_info, + sizeof(struct cpucp_sec_attest_info), nonce, + HL_CPUCP_SEC_ATTEST_INFO_TINEOUT_USEC); +} |