diff options
Diffstat (limited to 'plugins/nbft')
| -rw-r--r-- | plugins/nbft/nbft-plugin.c | 563 | ||||
| -rw-r--r-- | plugins/nbft/nbft-plugin.h | 18 |
2 files changed, 581 insertions, 0 deletions
diff --git a/plugins/nbft/nbft-plugin.c b/plugins/nbft/nbft-plugin.c new file mode 100644 index 0000000..2193ffb --- /dev/null +++ b/plugins/nbft/nbft-plugin.c @@ -0,0 +1,563 @@ +// SPDX-License-Identifier: GPL-2.0-or-later + +#include <errno.h> +#include <stdio.h> +#include <fnmatch.h> + +#include "nvme-print.h" +#include "nvme.h" +#include "nbft.h" +#include "libnvme.h" +#include "fabrics.h" + +#define CREATE_CMD +#include "nbft-plugin.h" + +static const char dash[100] = {[0 ... 98] = '-', [99] = '\0'}; + +#define PCI_SEGMENT(sbdf) ((sbdf & 0xffff0000) >> 16) +#define PCI_BUS(sbdf) ((sbdf & 0x0000ff00) >> 8) +#define PCI_DEV(sbdf) ((sbdf & 0x000000f8) >> 3) +#define PCI_FUNC(sbdf) ((sbdf & 0x00000007) >> 0) + +static const char *pci_sbdf_to_string(__u16 pci_sbdf) +{ + static char pcidev[13]; + + snprintf(pcidev, sizeof(pcidev), "%x:%x:%x.%x", + PCI_SEGMENT(pci_sbdf), + PCI_BUS(pci_sbdf), + PCI_DEV(pci_sbdf), + PCI_FUNC(pci_sbdf)); + return pcidev; +} + +static char *mac_addr_to_string(unsigned char mac_addr[6]) +{ + static char mac_string[18]; + + snprintf(mac_string, sizeof(mac_string), "%02x:%02x:%02x:%02x:%02x:%02x", + mac_addr[0], + mac_addr[1], + mac_addr[2], + mac_addr[3], + mac_addr[4], + mac_addr[5]); + return mac_string; +} + +static json_object *hfi_to_json(struct nbft_info_hfi *hfi) +{ + struct json_object *hfi_json; + + hfi_json = json_create_object(); + if (!hfi_json) + return NULL; + + if (json_object_add_value_int(hfi_json, "index", hfi->index) + || json_object_add_value_string(hfi_json, "transport", hfi->transport)) + goto fail; + + if (strcmp(hfi->transport, "tcp") == 0) { + if (json_object_add_value_string(hfi_json, "pcidev", + pci_sbdf_to_string(hfi->tcp_info.pci_sbdf)) + || json_object_add_value_string(hfi_json, "mac_addr", + mac_addr_to_string(hfi->tcp_info.mac_addr)) + || json_object_add_value_int(hfi_json, "vlan", + hfi->tcp_info.vlan) + || json_object_add_value_int(hfi_json, "ip_origin", + hfi->tcp_info.ip_origin) + || json_object_add_value_string(hfi_json, "ipaddr", + hfi->tcp_info.ipaddr) + || json_object_add_value_int(hfi_json, "subnet_mask_prefix", + hfi->tcp_info.subnet_mask_prefix) + || json_object_add_value_string(hfi_json, "gateway_ipaddr", + hfi->tcp_info.gateway_ipaddr) + || json_object_add_value_int(hfi_json, "route_metric", + hfi->tcp_info.route_metric) + || json_object_add_value_string(hfi_json, "primary_dns_ipaddr", + hfi->tcp_info.primary_dns_ipaddr) + || json_object_add_value_string(hfi_json, "secondary_dns_ipaddr", + hfi->tcp_info.secondary_dns_ipaddr) + || json_object_add_value_string(hfi_json, "dhcp_server_ipaddr", + hfi->tcp_info.dhcp_server_ipaddr) + || (hfi->tcp_info.host_name + && json_object_add_value_string(hfi_json, "host_name", + hfi->tcp_info.host_name)) + || json_object_add_value_int(hfi_json, "this_hfi_is_default_route", + hfi->tcp_info.this_hfi_is_default_route) + || json_object_add_value_int(hfi_json, "dhcp_override", + hfi->tcp_info.dhcp_override)) + goto fail; + else + return hfi_json; + } +fail: + json_free_object(hfi_json); + return NULL; +} + +static json_object *ssns_to_json(struct nbft_info_subsystem_ns *ss) +{ + struct json_object *ss_json; + struct json_object *hfi_array_json; + char json_str[40]; + char *json_str_p; + int i; + + ss_json = json_create_object(); + if (!ss_json) + return NULL; + + hfi_array_json = json_create_array(); + if (!hfi_array_json) + goto fail; + + for (i = 0; i < ss->num_hfis; i++) + if (json_array_add_value_object(hfi_array_json, + json_object_new_int(ss->hfis[i]->index))) + goto fail; + + if (json_object_add_value_int(ss_json, "index", ss->index) + || json_object_add_value_int(ss_json, "num_hfis", ss->num_hfis) + || json_object_object_add(ss_json, "hfis", hfi_array_json) + || json_object_add_value_string(ss_json, "transport", ss->transport) + || json_object_add_value_string(ss_json, "traddr", ss->traddr) + || json_object_add_value_string(ss_json, "trsvcid", ss->trsvcid) + || json_object_add_value_int(ss_json, "subsys_port_id", ss->subsys_port_id) + || json_object_add_value_int(ss_json, "nsid", ss->nsid)) + goto fail; + + memset(json_str, 0, sizeof(json_str)); + json_str_p = json_str; + + switch (ss->nid_type) { + case NBFT_INFO_NID_TYPE_EUI64: + if (json_object_add_value_string(ss_json, "nid_type", "eui64")) + goto fail; + for (i = 0; i < 8; i++) + json_str_p += sprintf(json_str_p, "%02x", ss->nid[i]); + break; + + case NBFT_INFO_NID_TYPE_NGUID: + if (json_object_add_value_string(ss_json, "nid_type", "nguid")) + goto fail; + for (i = 0; i < 16; i++) + json_str_p += sprintf(json_str_p, "%02x", ss->nid[i]); + break; + + case NBFT_INFO_NID_TYPE_NS_UUID: + if (json_object_add_value_string(ss_json, "nid_type", "uuid")) + goto fail; + nvme_uuid_to_string(ss->nid, json_str); + break; + + default: + break; + } + if (json_object_add_value_string(ss_json, "nid", json_str)) + goto fail; + + if ((ss->subsys_nqn + && json_object_add_value_string(ss_json, "subsys_nqn", ss->subsys_nqn)) + || json_object_add_value_int(ss_json, "controller_id", ss->controller_id) + || json_object_add_value_int(ss_json, "asqsz", ss->asqsz) + || (ss->dhcp_root_path_string + && json_object_add_value_string(ss_json, "dhcp_root_path_string", + ss->dhcp_root_path_string)) + || json_object_add_value_int(ss_json, "pdu_header_digest_required", + ss->pdu_header_digest_required) + || json_object_add_value_int(ss_json, "data_digest_required", + ss->data_digest_required)) + goto fail; + + return ss_json; +fail: + json_free_object(ss_json); + return NULL; +} + +static json_object *discovery_to_json(struct nbft_info_discovery *disc) +{ + struct json_object *disc_json; + + disc_json = json_create_object(); + if (!disc_json) + return NULL; + + if (json_object_add_value_int(disc_json, "index", disc->index) + || (disc->security + && json_object_add_value_int(disc_json, "security", disc->security->index)) + || (disc->hfi + && json_object_add_value_int(disc_json, "hfi", disc->hfi->index)) + || (disc->uri + && json_object_add_value_string(disc_json, "uri", disc->uri)) + || (disc->nqn + && json_object_add_value_string(disc_json, "nqn", disc->nqn))) { + json_free_object(disc_json); + return NULL; + } else + return disc_json; +} + +static const char *primary_admin_host_flag_to_str(unsigned int primary) +{ + static const char * const str[] = { + [NBFT_INFO_PRIMARY_ADMIN_HOST_FLAG_NOT_INDICATED] = "not indicated", + [NBFT_INFO_PRIMARY_ADMIN_HOST_FLAG_UNSELECTED] = "unselected", + [NBFT_INFO_PRIMARY_ADMIN_HOST_FLAG_SELECTED] = "selected", + [NBFT_INFO_PRIMARY_ADMIN_HOST_FLAG_RESERVED] = "reserved", + }; + + if (primary > NBFT_INFO_PRIMARY_ADMIN_HOST_FLAG_RESERVED) + return "INVALID"; + return str[primary]; +} + +static struct json_object *nbft_to_json(struct nbft_info *nbft, bool show_subsys, + bool show_hfi, bool show_discovery) +{ + struct json_object *nbft_json, *host_json; + + nbft_json = json_create_object(); + if (!nbft_json) + return NULL; + + if (json_object_add_value_string(nbft_json, "filename", nbft->filename)) + goto fail; + + host_json = json_create_object(); + if (!host_json) + goto fail; + if ((nbft->host.nqn + && json_object_add_value_string(host_json, "nqn", nbft->host.nqn)) + || (nbft->host.id + && json_object_add_value_string(host_json, "id", + util_uuid_to_string(nbft->host.id)))) + goto fail; + json_object_add_value_int(host_json, "host_id_configured", + nbft->host.host_id_configured); + json_object_add_value_int(host_json, "host_nqn_configured", + nbft->host.host_nqn_configured); + json_object_add_value_string(host_json, "primary_admin_host_flag", + primary_admin_host_flag_to_str(nbft->host.primary)); + if (json_object_object_add(nbft_json, "host", host_json)) { + json_free_object(host_json); + goto fail; + } + + if (show_subsys) { + struct json_object *subsys_array_json, *subsys_json; + struct nbft_info_subsystem_ns **ss; + + subsys_array_json = json_create_array(); + if (!subsys_array_json) + goto fail; + for (ss = nbft->subsystem_ns_list; ss && *ss; ss++) { + subsys_json = ssns_to_json(*ss); + if (!subsys_json) + goto fail; + if (json_object_array_add(subsys_array_json, subsys_json)) { + json_free_object(subsys_json); + goto fail; + } + } + if (json_object_object_add(nbft_json, "subsystem", subsys_array_json)) { + json_free_object(subsys_array_json); + goto fail; + } + } + if (show_hfi) { + struct json_object *hfi_array_json, *hfi_json; + struct nbft_info_hfi **hfi; + + hfi_array_json = json_create_array(); + if (!hfi_array_json) + goto fail; + for (hfi = nbft->hfi_list; hfi && *hfi; hfi++) { + hfi_json = hfi_to_json(*hfi); + if (!hfi_json) + goto fail; + if (json_object_array_add(hfi_array_json, hfi_json)) { + json_free_object(hfi_json); + goto fail; + } + } + if (json_object_object_add(nbft_json, "hfi", hfi_array_json)) { + json_free_object(hfi_array_json); + goto fail; + } + } + if (show_discovery) { + struct json_object *discovery_array_json, *discovery_json; + struct nbft_info_discovery **disc; + + discovery_array_json = json_create_array(); + if (!discovery_array_json) + goto fail; + for (disc = nbft->discovery_list; disc && *disc; disc++) { + discovery_json = discovery_to_json(*disc); + if (!discovery_json) + goto fail; + if (json_object_array_add(discovery_array_json, discovery_json)) { + json_free_object(discovery_json); + goto fail; + } + } + if (json_object_object_add(nbft_json, "discovery", discovery_array_json)) { + json_free_object(discovery_array_json); + goto fail; + } + } + return nbft_json; +fail: + json_free_object(nbft_json); + return NULL; +} + +static int json_show_nbfts(struct list_head *nbft_list, bool show_subsys, + bool show_hfi, bool show_discovery) +{ + struct json_object *nbft_json_array, *nbft_json; + struct nbft_file_entry *entry; + + nbft_json_array = json_create_array(); + if (!nbft_json_array) + return -ENOMEM; + + list_for_each(nbft_list, entry, node) { + nbft_json = nbft_to_json(entry->nbft, show_subsys, show_hfi, show_discovery); + if (!nbft_json) + goto fail; + if (json_object_array_add(nbft_json_array, nbft_json)) { + json_free_object(nbft_json); + goto fail; + } + } + + json_print_object(nbft_json_array, NULL); + printf("\n"); + json_free_object(nbft_json_array); + return 0; +fail: + json_free_object(nbft_json_array); + return -ENOMEM; +} + +static void print_nbft_hfi_info(struct nbft_info *nbft) +{ + struct nbft_info_hfi **hfi; + unsigned int ip_width = 8, gw_width = 8, dns_width = 8; + + hfi = nbft->hfi_list; + if (!hfi || !*hfi) + return; + + for (; *hfi; hfi++) { + unsigned int len; + + len = strlen((*hfi)->tcp_info.ipaddr); + if (len > ip_width) + ip_width = len; + len = strlen((*hfi)->tcp_info.gateway_ipaddr); + if (len > gw_width) + gw_width = len; + len = strlen((*hfi)->tcp_info.primary_dns_ipaddr); + if (len > dns_width) + dns_width = len; + } + + printf("\nNBFT HFIs:\n\n"); + printf("%-3.3s|%-4.4s|%-10.10s|%-17.17s|%-4.4s|%-*.*s|%-4.4s|%-*.*s|%-*.*s\n", + "Idx", "Trsp", "PCI Addr", "MAC Addr", "DHCP", + ip_width, ip_width, "IP Addr", "Mask", + gw_width, gw_width, "Gateway", dns_width, dns_width, "DNS"); + printf("%-.3s+%-.4s+%-.10s+%-.17s+%-.4s+%-.*s+%-.4s+%-.*s+%-.*s\n", + dash, dash, dash, dash, dash, ip_width, dash, dash, + gw_width, dash, dns_width, dash); + for (hfi = nbft->hfi_list; *hfi; hfi++) + printf("%-3d|%-4.4s|%-10.10s|%-17.17s|%-4.4s|%-*.*s|%-4d|%-*.*s|%-*.*s\n", + (*hfi)->index, + (*hfi)->transport, + pci_sbdf_to_string((*hfi)->tcp_info.pci_sbdf), + mac_addr_to_string((*hfi)->tcp_info.mac_addr), + (*hfi)->tcp_info.dhcp_override ? "yes" : "no", + ip_width, ip_width, (*hfi)->tcp_info.ipaddr, + (*hfi)->tcp_info.subnet_mask_prefix, + gw_width, gw_width, (*hfi)->tcp_info.gateway_ipaddr, + dns_width, dns_width, (*hfi)->tcp_info.primary_dns_ipaddr); +} + +static void print_nbft_discovery_info(struct nbft_info *nbft) +{ + struct nbft_info_discovery **disc; + unsigned int nqn_width = 20, uri_width = 12; + + disc = nbft->discovery_list; + if (!disc || !*disc) + return; + + for (; *disc; disc++) { + size_t len; + + len = strlen((*disc)->uri); + if (len > uri_width) + uri_width = len; + len = strlen((*disc)->nqn); + if (len > nqn_width) + nqn_width = len; + } + + printf("\nNBFT Discovery Controllers:\n\n"); + printf("%-3.3s|%-*.*s|%-*.*s\n", "Idx", uri_width, uri_width, "URI", + nqn_width, nqn_width, "NQN"); + printf("%-.3s+%-.*s+%-.*s\n", dash, uri_width, dash, nqn_width, dash); + for (disc = nbft->discovery_list; *disc; disc++) + printf("%-3d|%-*.*s|%-*.*s\n", (*disc)->index, + uri_width, uri_width, (*disc)->uri, + nqn_width, nqn_width, (*disc)->nqn); +} + +#define HFIS_LEN 20 +static size_t print_hfis(const struct nbft_info_subsystem_ns *ss, char buf[HFIS_LEN]) +{ + char hfi_buf[HFIS_LEN]; + size_t len, ofs; + int i; + + len = snprintf(hfi_buf, sizeof(hfi_buf), "%d", ss->hfis[0]->index); + for (i = 1; i < ss->num_hfis; i++) { + ofs = len; + len += snprintf(hfi_buf + ofs, sizeof(hfi_buf) - ofs, ",%d", + ss->hfis[i]->index); + /* + * If the list doesn't fit in HFIS_LEN characters, + * truncate and end with "..." + */ + if (len >= sizeof(hfi_buf)) { + while (ofs < sizeof(hfi_buf) - 1) + hfi_buf[ofs++] = '.'; + hfi_buf[ofs] = '\0'; + len = sizeof(hfi_buf) - 1; + break; + } + } + if (buf) + memcpy(buf, hfi_buf, len + 1); + return len; +} + + +static void print_nbft_subsys_info(struct nbft_info *nbft) +{ + struct nbft_info_subsystem_ns **ss; + unsigned int nqn_width = 20, adr_width = 8, hfi_width = 4; + + ss = nbft->subsystem_ns_list; + if (!ss || !*ss) + return; + for (; *ss; ss++) { + size_t len; + + len = strlen((*ss)->subsys_nqn); + if (len > nqn_width) + nqn_width = len; + len = strlen((*ss)->traddr); + if (len > adr_width) + adr_width = len; + len = print_hfis(*ss, NULL); + if (len > hfi_width) + hfi_width = len; + } + + printf("\nNBFT Subsystems:\n\n"); + printf("%-3.3s|%-*.*s|%-4.4s|%-*.*s|%-5.5s|%-*.*s\n", + "Idx", nqn_width, nqn_width, "NQN", + "Trsp", adr_width, adr_width, "Address", "SvcId", hfi_width, hfi_width, "HFIs"); + printf("%-.3s+%-.*s+%-.4s+%-.*s+%-.5s+%-.*s\n", + dash, nqn_width, dash, dash, adr_width, dash, dash, hfi_width, dash); + for (ss = nbft->subsystem_ns_list; *ss; ss++) { + char hfi_buf[HFIS_LEN]; + + print_hfis(*ss, hfi_buf); + printf("%-3d|%-*.*s|%-4.4s|%-*.*s|%-5.5s|%-*.*s\n", + (*ss)->index, nqn_width, nqn_width, (*ss)->subsys_nqn, + (*ss)->transport, adr_width, adr_width, (*ss)->traddr, + (*ss)->trsvcid, hfi_width, hfi_width, hfi_buf); + } +} + +static void normal_show_nbft(struct nbft_info *nbft, bool show_subsys, + bool show_hfi, bool show_discovery) +{ + printf("%s:\n", nbft->filename); + if ((!nbft->hfi_list || !*nbft->hfi_list) && + (!nbft->security_list || !*nbft->security_list) && + (!nbft->discovery_list || !*nbft->discovery_list) && + (!nbft->subsystem_ns_list || !*nbft->subsystem_ns_list)) + printf("(empty)\n"); + else { + if (show_subsys) + print_nbft_subsys_info(nbft); + if (show_hfi) + print_nbft_hfi_info(nbft); + if (show_discovery) + print_nbft_discovery_info(nbft); + } +} + +static void normal_show_nbfts(struct list_head *nbft_list, bool show_subsys, + bool show_hfi, bool show_discovery) +{ + bool not_first = false; + struct nbft_file_entry *entry; + + list_for_each(nbft_list, entry, node) { + if (not_first) + printf("\n"); + normal_show_nbft(entry->nbft, show_subsys, show_hfi, show_discovery); + not_first = true; + } +} + +int show_nbft(int argc, char **argv, struct command *cmd, struct plugin *plugin) +{ + const char *desc = "Display contents of the ACPI NBFT files."; + struct list_head nbft_list; + char *format = "normal"; + char *nbft_path = NBFT_SYSFS_PATH; + enum nvme_print_flags flags; + int ret; + bool show_subsys = false, show_hfi = false, show_discovery = false; + + OPT_ARGS(opts) = { + OPT_FMT("output-format", 'o', &format, "Output format: normal|json"), + OPT_FLAG("subsystem", 's', &show_subsys, "show NBFT subsystems"), + OPT_FLAG("hfi", 'H', &show_hfi, "show NBFT HFIs"), + OPT_FLAG("discovery", 'd', &show_discovery, "show NBFT discovery controllers"), + OPT_STRING("nbft-path", 0, "STR", &nbft_path, "user-defined path for NBFT tables"), + OPT_END() + }; + + ret = argconfig_parse(argc, argv, desc, opts); + if (ret) + return ret; + + ret = validate_output_format(format, &flags); + if (ret < 0) + return ret; + + if (!(show_subsys || show_hfi || show_discovery)) + show_subsys = show_hfi = show_discovery = true; + + list_head_init(&nbft_list); + ret = read_nbft_files(&nbft_list, nbft_path); + if (!ret) { + if (flags == NORMAL) + normal_show_nbfts(&nbft_list, show_subsys, show_hfi, show_discovery); + else if (flags == JSON) + ret = json_show_nbfts(&nbft_list, show_subsys, show_hfi, show_discovery); + free_nbfts(&nbft_list); + } + return ret; +} diff --git a/plugins/nbft/nbft-plugin.h b/plugins/nbft/nbft-plugin.h new file mode 100644 index 0000000..018349d --- /dev/null +++ b/plugins/nbft/nbft-plugin.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#undef CMD_INC_FILE +#define CMD_INC_FILE plugins/nbft/nbft-plugin + +#if !defined(NBFT) || defined(CMD_HEADER_MULTI_READ) +#define NBFT + +#include "cmd.h" + +PLUGIN(NAME("nbft", "ACPI NBFT table extensions", NVME_VERSION), + COMMAND_LIST( + ENTRY("show", "Show contents of ACPI NBFT tables", show_nbft) + ) +); + +#endif + +#include "define_cmd.h" |