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megasas: fix mapped frame size 

the current value of 1024 bytes (16 * MFI_FRAME_SIZE) we map is not enough to hold
the maximum number of scatter gather elements we advertise. We actually need a
maximum of 2048 bytes. This is 128 max sg elements * 16 bytes (sizeof (union mfi_sgl)).

Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Lieven <pl@kamp.de>
Message-Id: <20190404121015.28634-1-pl@kamp.de>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Lieven 2019-04-04 14:10:15 +02:00 committed by Paolo Bonzini
parent d2fa65cd1c
commit 2e56fbc87f
1 changed files with 1 additions and 1 deletions
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2
hw/scsi/megasas.c
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@ -477,7 +477,7 @@ static MegasasCmd *megasas_enqueue_frame(MegasasState *s,
{
PCIDevice *pcid = PCI_DEVICE(s);
MegasasCmd *cmd = NULL;
int frame_size = MFI_FRAME_SIZE * 16;
int frame_size = MEGASAS_MAX_SGE * sizeof(union mfi_sgl);
hwaddr frame_size_p = frame_size;
unsigned long index;