diff options
Diffstat (limited to 'drivers/misc/habanalabs/common/firmware_if.c')
| -rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 86 |
1 files changed, 73 insertions, 13 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 3262126cc7ca..828a36af5b14 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -18,8 +18,9 @@ static char *extract_fw_ver_from_str(const char *fw_str) { char *str, *fw_ver, *whitespace; + u32 ver_offset; - fw_ver = kmalloc(16, GFP_KERNEL); + fw_ver = kmalloc(VERSION_MAX_LEN, GFP_KERNEL); if (!fw_ver) return NULL; @@ -29,9 +30,10 @@ static char *extract_fw_ver_from_str(const char *fw_str) /* Skip the fw- part */ str += 3; + ver_offset = str - fw_str; /* Copy until the next whitespace */ - whitespace = strnstr(str, " ", 15); + whitespace = strnstr(str, " ", VERSION_MAX_LEN - ver_offset); if (!whitespace) goto free_fw_ver; @@ -819,6 +821,54 @@ out: return rc; } +int hl_fw_get_monitor_dump(struct hl_device *hdev, void *data) +{ + struct cpucp_monitor_dump *mon_dump_cpu_addr; + dma_addr_t mon_dump_dma_addr; + struct cpucp_packet pkt = {}; + size_t data_size; + __le32 *src_ptr; + u32 *dst_ptr; + u64 result; + int i, rc; + + data_size = sizeof(struct cpucp_monitor_dump); + mon_dump_cpu_addr = hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, data_size, + &mon_dump_dma_addr); + if (!mon_dump_cpu_addr) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for CPU-CP monitor-dump packet\n"); + return -ENOMEM; + } + + memset(mon_dump_cpu_addr, 0, data_size); + + pkt.ctl = cpu_to_le32(CPUCP_PACKET_MONITOR_DUMP_GET << CPUCP_PKT_CTL_OPCODE_SHIFT); + pkt.addr = cpu_to_le64(mon_dump_dma_addr); + pkt.data_max_size = cpu_to_le32(data_size); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + HL_CPUCP_MON_DUMP_TIMEOUT_USEC, &result); + if (rc) { + dev_err(hdev->dev, "Failed to handle CPU-CP monitor-dump packet, error %d\n", rc); + goto out; + } + + /* result contains the actual size */ + src_ptr = (__le32 *) mon_dump_cpu_addr; + dst_ptr = data; + for (i = 0; i < (data_size / sizeof(u32)); i++) { + *dst_ptr = le32_to_cpu(*src_ptr); + src_ptr++; + dst_ptr++; + } + +out: + hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, data_size, mon_dump_cpu_addr); + + return rc; +} + int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev, struct hl_info_pci_counters *counters) { @@ -1539,7 +1589,7 @@ static int hl_fw_dynamic_wait_for_status(struct hl_device *hdev, le32_to_cpu(dyn_regs->cpu_cmd_status_to_host), status, FIELD_GET(COMMS_STATUS_STATUS_MASK, status) == expected_status, - hdev->fw_poll_interval_usec, + hdev->fw_comms_poll_interval_usec, timeout); if (rc) { @@ -1909,7 +1959,7 @@ static int hl_fw_dynamic_request_descriptor(struct hl_device *hdev, * @fwc: the firmware component * @fw_version: fw component's version string */ -static void hl_fw_dynamic_read_device_fw_version(struct hl_device *hdev, +static int hl_fw_dynamic_read_device_fw_version(struct hl_device *hdev, enum hl_fw_component fwc, const char *fw_version) { @@ -1933,23 +1983,33 @@ static void hl_fw_dynamic_read_device_fw_version(struct hl_device *hdev, VERSION_MAX_LEN); if (preboot_ver && preboot_ver != prop->preboot_ver) { strscpy(btl_ver, prop->preboot_ver, - min((int) (preboot_ver - prop->preboot_ver), - 31)); + min((int) (preboot_ver - prop->preboot_ver), 31)); dev_info(hdev->dev, "%s\n", btl_ver); } preboot_ver = extract_fw_ver_from_str(prop->preboot_ver); if (preboot_ver) { - dev_info(hdev->dev, "preboot version %s\n", - preboot_ver); + char major[8]; + int rc; + + dev_info(hdev->dev, "preboot version %s\n", preboot_ver); + sprintf(major, "%.2s", preboot_ver); kfree(preboot_ver); + + rc = kstrtou32(major, 10, &hdev->fw_major_version); + if (rc) { + dev_err(hdev->dev, "Error %d parsing preboot major version\n", rc); + return rc; + } } break; default: dev_warn(hdev->dev, "Undefined FW component: %d\n", fwc); - return; + return -EINVAL; } + + return 0; } /** @@ -2121,9 +2181,10 @@ static int hl_fw_dynamic_load_image(struct hl_device *hdev, goto release_fw; /* read preboot version */ - hl_fw_dynamic_read_device_fw_version(hdev, cur_fwc, + rc = hl_fw_dynamic_read_device_fw_version(hdev, cur_fwc, fw_loader->dynamic_loader.comm_desc.cur_fw_ver); - + if (rc) + goto release_fw; /* update state according to boot stage */ if (cur_fwc == FW_COMP_BOOT_FIT) { @@ -2390,9 +2451,8 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev, goto protocol_err; /* read preboot version */ - hl_fw_dynamic_read_device_fw_version(hdev, FW_COMP_PREBOOT, + return hl_fw_dynamic_read_device_fw_version(hdev, FW_COMP_PREBOOT, fw_loader->dynamic_loader.comm_desc.cur_fw_ver); - return 0; } /* load boot fit to FW */ |