]> git.proxmox.com Git - mirror_qemu.git/blobdiff - block/qed-table.c
checkpatch.pl: forbid strerrorname_np()
[mirror_qemu.git] / block / qed-table.c
index c497bd4aec976109b6409f0b132674329d0c9b41..f04520d4c8349ee8ecca70d98662648a2359171f 100644 (file)
  */
 
 #include "qemu/osdep.h"
+#include "block/block-io.h"
 #include "trace.h"
 #include "qemu/sockets.h" /* for EINPROGRESS on Windows */
 #include "qed.h"
 #include "qemu/bswap.h"
+#include "qemu/memalign.h"
 
 /* Called with table_lock held.  */
-static int qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table)
+static int coroutine_fn GRAPH_RDLOCK
+qed_read_table(BDRVQEDState *s, uint64_t offset, QEDTable *table)
 {
-    QEMUIOVector qiov = QEMU_IOVEC_INIT_BUF(
-        qiov, table->offsets, s->header.cluster_size * s->header.table_size);
+    unsigned int bytes = s->header.cluster_size * s->header.table_size;
+
     int noffsets;
     int i, ret;
 
     trace_qed_read_table(s, offset, table);
 
     qemu_co_mutex_unlock(&s->table_lock);
-    ret = bdrv_preadv(s->bs->file, offset, &qiov);
+    ret = bdrv_co_pread(s->bs->file, offset, bytes, table->offsets, 0);
     qemu_co_mutex_lock(&s->table_lock);
     if (ret < 0) {
         goto out;
     }
 
     /* Byteswap offsets */
-    noffsets = qiov.size / sizeof(uint64_t);
+    noffsets = bytes / sizeof(uint64_t);
     for (i = 0; i < noffsets; i++) {
         table->offsets[i] = le64_to_cpu(table->offsets[i]);
     }
@@ -60,13 +63,13 @@ out:
  *
  * Called with table_lock held.
  */
-static int qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
-                           unsigned int index, unsigned int n, bool flush)
+static int coroutine_fn GRAPH_RDLOCK
+qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
+                unsigned int index, unsigned int n, bool flush)
 {
     unsigned int sector_mask = BDRV_SECTOR_SIZE / sizeof(uint64_t) - 1;
     unsigned int start, end, i;
     QEDTable *new_table;
-    QEMUIOVector qiov;
     size_t len_bytes;
     int ret;
 
@@ -79,7 +82,6 @@ static int qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
     len_bytes = (end - start) * sizeof(uint64_t);
 
     new_table = qemu_blockalign(s->bs, len_bytes);
-    qemu_iovec_init_buf(&qiov, new_table->offsets, len_bytes);
 
     /* Byteswap table */
     for (i = start; i < end; i++) {
@@ -91,7 +93,7 @@ static int qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
     offset += start * sizeof(uint64_t);
 
     qemu_co_mutex_unlock(&s->table_lock);
-    ret = bdrv_pwritev(s->bs->file, offset, &qiov);
+    ret = bdrv_co_pwrite(s->bs->file, offset, len_bytes, new_table->offsets, 0);
     qemu_co_mutex_lock(&s->table_lock);
     trace_qed_write_table_cb(s, table, flush, ret);
     if (ret < 0) {
@@ -99,7 +101,7 @@ static int qed_write_table(BDRVQEDState *s, uint64_t offset, QEDTable *table,
     }
 
     if (flush) {
-        ret = bdrv_flush(s->bs);
+        ret = bdrv_co_flush(s->bs);
         if (ret < 0) {
             goto out;
         }
@@ -111,27 +113,29 @@ out:
     return ret;
 }
 
-int qed_read_l1_table_sync(BDRVQEDState *s)
+int coroutine_fn qed_read_l1_table_sync(BDRVQEDState *s)
 {
     return qed_read_table(s, s->header.l1_table_offset, s->l1_table);
 }
 
 /* Called with table_lock held.  */
-int qed_write_l1_table(BDRVQEDState *s, unsigned int index, unsigned int n)
+int coroutine_fn qed_write_l1_table(BDRVQEDState *s, unsigned int index,
+                                    unsigned int n)
 {
-    BLKDBG_EVENT(s->bs->file, BLKDBG_L1_UPDATE);
+    BLKDBG_CO_EVENT(s->bs->file, BLKDBG_L1_UPDATE);
     return qed_write_table(s, s->header.l1_table_offset,
                            s->l1_table, index, n, false);
 }
 
-int qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index,
-                            unsigned int n)
+int coroutine_fn qed_write_l1_table_sync(BDRVQEDState *s, unsigned int index,
+                                         unsigned int n)
 {
     return qed_write_l1_table(s, index, n);
 }
 
 /* Called with table_lock held.  */
-int qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset)
+int coroutine_fn qed_read_l2_table(BDRVQEDState *s, QEDRequest *request,
+                                   uint64_t offset)
 {
     int ret;
 
@@ -146,7 +150,7 @@ int qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset)
     request->l2_table = qed_alloc_l2_cache_entry(&s->l2_cache);
     request->l2_table->table = qed_alloc_table(s);
 
-    BLKDBG_EVENT(s->bs->file, BLKDBG_L2_LOAD);
+    BLKDBG_CO_EVENT(s->bs->file, BLKDBG_L2_LOAD);
     ret = qed_read_table(s, offset, request->l2_table->table);
 
     if (ret) {
@@ -168,22 +172,25 @@ int qed_read_l2_table(BDRVQEDState *s, QEDRequest *request, uint64_t offset)
     return ret;
 }
 
-int qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request, uint64_t offset)
+int coroutine_fn qed_read_l2_table_sync(BDRVQEDState *s, QEDRequest *request,
+                                        uint64_t offset)
 {
     return qed_read_l2_table(s, request, offset);
 }
 
 /* Called with table_lock held.  */
-int qed_write_l2_table(BDRVQEDState *s, QEDRequest *request,
-                       unsigned int index, unsigned int n, bool flush)
+int coroutine_fn qed_write_l2_table(BDRVQEDState *s, QEDRequest *request,
+                                    unsigned int index, unsigned int n,
+                                    bool flush)
 {
-    BLKDBG_EVENT(s->bs->file, BLKDBG_L2_UPDATE);
+    BLKDBG_CO_EVENT(s->bs->file, BLKDBG_L2_UPDATE);
     return qed_write_table(s, request->l2_table->offset,
                            request->l2_table->table, index, n, flush);
 }
 
-int qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request,
-                            unsigned int index, unsigned int n, bool flush)
+int coroutine_fn qed_write_l2_table_sync(BDRVQEDState *s, QEDRequest *request,
+                                         unsigned int index, unsigned int n,
+                                         bool flush)
 {
     return qed_write_l2_table(s, request, index, n, flush);
 }