Changeset 095a989 in mainline for uspace/lib/device/src/hr.c

Timestamp:

2024-09-05T22:34:53Z (11 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

ee83e9c

Parents:

e192339

git-author:

Miroslav Cimerman <mc@…> (2024-09-05 22:31:28)

git-committer:

Miroslav Cimerman <mc@…> (2024-09-05 22:34:53)

Message:

hr: add status printing

File:

• uspace/lib/device/src/hr.c (modified) (1 diff)

uspace/lib/device/src/hr.c

@@ -114 +114 @@
 }
 
+static errno_t print_vol_info(size_t index, hr_vol_info_t *vol_info)
+{
+        errno_t rc;
+        size_t i;
+        char *devname;
+
+        printf("--- vol %zu ---\n", index);
+
+        printf("svc_id: %lu\n", vol_info->svc_id);
+
+        rc = loc_service_get_name(vol_info->svc_id, &devname);
+        if (rc != EOK)
+                return rc;
+        printf("devname: %s\n", devname);
+
+        printf("level: %d\n", vol_info->level);
+        printf("nblocks: %lu\n", vol_info->nblocks);
+        printf("bsize: %zu\n", vol_info->bsize);
+
+        printf("extents: [index] [devname]\n");
+        for (i = 0; i < vol_info->extent_no; i++) {
+                rc = loc_service_get_name(vol_info->extents[i], &devname);
+                if (rc != EOK)
+                        return rc;
+                printf("          %zu       %s\n", i, devname);
+        }
+        return EOK;
+}
+
+errno_t hr_print_status(void)
+{
+        hr_t *hr;
+        errno_t rc, retval;
+        async_exch_t *exch;
+        aid_t req;
+        size_t size, i;
+        hr_vol_info_t *vols;
+
+        rc = hr_sess_init(&hr);
+        if (rc != EOK)
+                return rc;
+
+        exch = async_exchange_begin(hr->sess);
+        if (exch == NULL)
+                return EINVAL;
+
+        req = async_send_0(exch, HR_STATUS, NULL);
+
+        rc = async_data_read_start(exch, &size, sizeof(size_t));
+        if (rc != EOK) {
+                async_exchange_end(exch);
+                async_forget(req);
+                return rc;
+        }
+
+        vols = calloc(size, sizeof(hr_vol_info_t));
+        if (vols == NULL) {
+                async_exchange_end(exch);
+                async_forget(req);
+                return ENOMEM;
+        }
+
+        for (i = 0; i < size; i++) {
+                rc = async_data_read_start(exch, &vols[i],
+                    sizeof(hr_vol_info_t));
+                if (rc != EOK) {
+                        async_exchange_end(exch);
+                        async_forget(req);
+                        goto error;
+                }
+        }
+
+        async_exchange_end(exch);
+        async_wait_for(req, &retval);
+        if (retval != EOK) {
+                rc = retval;
+                goto error;
+        }
+
+        for (i = 0; i < size; i++) {
+                rc = print_vol_info(i, &vols[i]);
+                if (rc != EOK)
+                        goto error;
+        }
+
+error:
+        if (vols != NULL)
+                free(vols);
+        return rc;
+}
+
 /** @}
  */