Changeset a19d7fc4 in mainline for uspace/lib/device/src/hr.c

Timestamp:

2024-09-06T14:56:46Z (8 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

4a2a6b8b

Parents:

09398589

git-author:

Miroslav Cimerman <mc@…> (2024-09-06 14:54:21)

git-committer:

Miroslav Cimerman <mc@…> (2024-09-06 14:56:46)

Message:

hr: add option (-T, —stop) for removing an active array

File:

• uspace/lib/device/src/hr.c (modified) (5 diffs)

uspace/lib/device/src/hr.c

@@ -180 +180 @@
 }
 
+errno_t hr_stop(const char *devname)
+{
+        hr_t *hr;
+        errno_t rc;
+        async_exch_t *exch;
+        service_id_t svc_id;
+
+        rc = loc_service_get_id(devname, &svc_id, 0);
+        if (rc != EOK)
+                return rc;
+
+        rc = hr_sess_init(&hr);
+        if (rc != EOK)
+                return rc;
+
+        exch = async_exchange_begin(hr->sess);
+        if (exch == NULL) {
+                rc = EINVAL;
+                goto error;
+        }
+        rc = async_req_1_0(exch, HR_STOP, svc_id);
+        async_exchange_end(exch);
+
+        if (rc != EOK)
+                goto error;
+error:
+        hr_sess_destroy(hr);
+        return rc;
+}
+
 errno_t hr_print_status(void)
 {
@@ -187 +217 @@
         aid_t req;
         size_t size, i;
-        hr_vol_info_t *vols;
+        hr_vol_info_t *vols = NULL;
 
         rc = hr_sess_init(&hr);
@@ -194 +224 @@
 
         exch = async_exchange_begin(hr->sess);
-        if (exch == NULL)
-                return EINVAL;
+        if (exch == NULL) {
+                rc = EINVAL;
+                goto error;
+        }
 
         req = async_send_0(exch, HR_STATUS, NULL);
-
         rc = async_data_read_start(exch, &size, sizeof(size_t));
         if (rc != EOK) {
@@ -230 +261 @@
         }
 
+        if (size == 0) {
+                printf("no active arrays\n");
+                goto error;
+        }
+
         for (i = 0; i < size; i++) {
                 rc = print_vol_info(i, &vols[i]);
@@ -237 +273 @@
 
 error:
+        hr_sess_destroy(hr);
         if (vols != NULL)
                 free(vols);