Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging

# gpg: Signature made Fri Jul 31 23:24:06 2015 BST using RSA key ID AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg:          It is not certain that the signature belongs to the owner.
# Primary key fingerprint: FAEB 9711 A12C F475 812F  18F2 88A9 064D 1835 61EB
#      Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76  CBD0 7DEF 8106 AAFC 390E

* remotes/jnsnow/tags/ide-pull-request:
  ahci: fix ICC mask definition
  macio: re-add TRIM support

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

2 files changed, 29 insertions, 1 deletions

diff --git a/hw/ide/ahci.h b/hw/ide/ahci.h
index 68d5074b33..79a463d93c 100644
--- a/hw/ide/ahci.h
+++ b/hw/ide/ahci.h
@@ -127,7 +127,7 @@
 #define PORT_CMD_SPIN_UP          (1 << 1) /* Spin up device */
 #define PORT_CMD_START            (1 << 0) /* Enable port DMA engine */
 
-#define PORT_CMD_ICC_MASK         (0xf << 28) /* i/f ICC state mask */
+#define PORT_CMD_ICC_MASK        (0xfU << 28) /* i/f ICC state mask */
 #define PORT_CMD_ICC_ACTIVE       (0x1 << 28) /* Put i/f in active state */
 #define PORT_CMD_ICC_PARTIAL      (0x2 << 28) /* Put i/f in partial state */
 #define PORT_CMD_ICC_SLUMBER      (0x6 << 28) /* Put i/f in slumber state */
diff --git a/hw/ide/macio.c b/hw/ide/macio.c
index a55a479da6..66ac2baa94 100644
--- a/hw/ide/macio.c
+++ b/hw/ide/macio.c
@@ -208,6 +208,33 @@ static void pmac_dma_write(BlockBackend *blk,
                               cb, io);
 }
 
+static void pmac_dma_trim(BlockBackend *blk,
+                        int64_t offset, int bytes,
+                        void (*cb)(void *opaque, int ret), void *opaque)
+{
+    DBDMA_io *io = opaque;
+    MACIOIDEState *m = io->opaque;
+    IDEState *s = idebus_active_if(&m->bus);
+    dma_addr_t dma_addr, dma_len;
+    void *mem;
+
+    qemu_iovec_destroy(&io->iov);
+    qemu_iovec_init(&io->iov, io->len / MACIO_PAGE_SIZE + 1);
+
+    dma_addr = io->addr;
+    dma_len = io->len;
+    mem = dma_memory_map(&address_space_memory, dma_addr, &dma_len,
+                         DMA_DIRECTION_TO_DEVICE);
+
+    qemu_iovec_add(&io->iov, mem, io->len);
+    s->io_buffer_size -= io->len;
+    s->io_buffer_index += io->len;
+    io->len = 0;
+
+    m->aiocb = ide_issue_trim(blk, (offset >> 9), &io->iov, (bytes >> 9),
+                              cb, io);
+}
+
 static void pmac_ide_atapi_transfer_cb(void *opaque, int ret)
 {
     DBDMA_io *io = opaque;
@@ -313,6 +340,7 @@ static void pmac_ide_transfer_cb(void *opaque, int ret)
         pmac_dma_write(s->blk, offset, io->len, pmac_ide_transfer_cb, io);
         break;
     case IDE_DMA_TRIM:
+        pmac_dma_trim(s->blk, offset, io->len, pmac_ide_transfer_cb, io);
         break;
     }