Merge tag 'pull-ufs-20231013' of https://gitlab.com/jeuk20.kim/qemu i…

…nto staging

hw/ufs: fixes

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* tag 'pull-ufs-20231013' of https://gitlab.com/jeuk20.kim/qemu:
  hw/ufs: Fix incorrect register fields
  hw/ufs: Fix code coverity issues

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

hw/ufs/lu.c

@@ -1345,13 +1345,12 @@ static void ufs_lu_realize(SCSIDevice *dev, Error **errp)
         return;
     }
 
-    if (lu->qdev.conf.blk) {
-        ctx = blk_get_aio_context(lu->qdev.conf.blk);
-        aio_context_acquire(ctx);
-        if (!blkconf_blocksizes(&lu->qdev.conf, errp)) {
-            goto out;
-        }
+    ctx = blk_get_aio_context(lu->qdev.conf.blk);
+    aio_context_acquire(ctx);
+    if (!blkconf_blocksizes(&lu->qdev.conf, errp)) {
+        goto out;
     }
+
     lu->qdev.blocksize = UFS_BLOCK_SIZE;
     blk_get_geometry(lu->qdev.conf.blk, &nb_sectors);
     nb_blocks = nb_sectors / (lu->qdev.blocksize / BDRV_SECTOR_SIZE);
@@ -1367,10 +1366,9 @@ static void ufs_lu_realize(SCSIDevice *dev, Error **errp)
     }
 
     ufs_lu_brdv_init(lu, errp);
+
 out:
-    if (ctx) {
-        aio_context_release(ctx);
-    }
+    aio_context_release(ctx);
 }
 
 static void ufs_lu_unrealize(SCSIDevice *dev)

hw/ufs/ufs.c

@@ -258,7 +258,7 @@ static void ufs_irq_check(UfsHc *u)
 
 static void ufs_process_db(UfsHc *u, uint32_t val)
 {
-    unsigned long doorbell;
+    DECLARE_BITMAP(doorbell, UFS_MAX_NUTRS);
     uint32_t slot;
     uint32_t nutrs = u->params.nutrs;
     UfsRequest *req;
@@ -268,8 +268,8 @@ static void ufs_process_db(UfsHc *u, uint32_t val)
         return;
     }
 
-    doorbell = val;
-    slot = find_first_bit(&doorbell, nutrs);
+    doorbell[0] = val;
+    slot = find_first_bit(doorbell, nutrs);
 
     while (slot < nutrs) {
         req = &u->req_list[slot];
@@ -285,7 +285,7 @@ static void ufs_process_db(UfsHc *u, uint32_t val)
 
         trace_ufs_process_db(slot);
         req->state = UFS_REQUEST_READY;
-        slot = find_next_bit(&doorbell, nutrs, slot + 1);
+        slot = find_next_bit(doorbell, nutrs, slot + 1);
     }
 
     qemu_bh_schedule(u->doorbell_bh);
@@ -838,7 +838,7 @@ static QueryRespCode ufs_read_unit_desc(UfsRequest *req)
     uint8_t lun = req->req_upiu.qr.index;
 
     if (lun != UFS_UPIU_RPMB_WLUN &&
-        (lun > UFS_MAX_LUS || u->lus[lun] == NULL)) {
+        (lun >= UFS_MAX_LUS || u->lus[lun] == NULL)) {
         trace_ufs_err_query_invalid_index(req->req_upiu.qr.opcode, lun);
         return UFS_QUERY_RESULT_INVALID_INDEX;
     }

include/block/ufs.h

@@ -111,14 +111,14 @@ REG32(UECT, offsetof(UfsReg, uect))
 REG32(UECDME, offsetof(UfsReg, uecdme))
 REG32(UTRIACR, offsetof(UfsReg, utriacr))
 REG32(UTRLBA, offsetof(UfsReg, utrlba))
-    FIELD(UTRLBA, UTRLBA, 9, 22)
+    FIELD(UTRLBA, UTRLBA, 10, 22)
 REG32(UTRLBAU, offsetof(UfsReg, utrlbau))
 REG32(UTRLDBR, offsetof(UfsReg, utrldbr))
 REG32(UTRLCLR, offsetof(UfsReg, utrlclr))
 REG32(UTRLRSR, offsetof(UfsReg, utrlrsr))
 REG32(UTRLCNR, offsetof(UfsReg, utrlcnr))
 REG32(UTMRLBA, offsetof(UfsReg, utmrlba))
-    FIELD(UTMRLBA, UTMRLBA, 9, 22)
+    FIELD(UTMRLBA, UTMRLBA, 10, 22)
 REG32(UTMRLBAU, offsetof(UfsReg, utmrlbau))
 REG32(UTMRLDBR, offsetof(UfsReg, utmrldbr))
 REG32(UTMRLCLR, offsetof(UfsReg, utmrlclr))

tests/qtest/ufs-test.c

@@ -497,7 +497,7 @@ static void ufstest_read_write(void *obj, void *data, QGuestAllocator *alloc)
     g_assert_cmpuint(block_size, ==, 4096);
 
     /* Write data */
-    memset(write_buf, rand() % 255 + 1, block_size);
+    memset(write_buf, 0xab, block_size);
     ufs_send_scsi_command(ufs, 0, 1, write_cdb, write_buf, block_size, NULL, 0,
                           &utrd, &rsp_upiu);
     g_assert_cmpuint(le32_to_cpu(utrd.header.dword_2), ==, UFS_OCS_SUCCESS);