Current code incorrectly calculates the max transfer length, since
it is assuming a 4k page table, but ppc64 all run on 64k page tables.
Cc: sta...@vger.kernel.org
Reported-by: Steven Royer <sero...@linux.vnet.ibm.com>
Tested-by: Steven Royer <sero...@linux.vnet.ibm.com>
Signed-off-by: Bryant G. Ly <bryan...@linux.vnet.ibm.com>
---
drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
index 8fb5c54..3b4d36b 100644
--- a/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
+++ b/drivers/scsi/ibmvscsi_tgt/ibmvscsi_tgt.c
@@ -46,6 +46,7 @@
#define INITIAL_SRP_LIMIT 800
#define DEFAULT_MAX_SECTORS 256
+#define MAX_TXU 1024
static uint max_vdma_size = MAX_H_COPY_RDMA;
@@ -1443,7 +1444,7 @@ static long ibmvscsis_adapter_info(struct scsi_info
*vscsi,
info->mad_version = cpu_to_be32(MAD_VERSION_1);
info->os_type = cpu_to_be32(LINUX);
memset(&info->port_max_txu[0], 0, sizeof(info->port_max_txu));
- info->port_max_txu[0] = cpu_to_be32(128 * PAGE_SIZE);
+ info->port_max_txu[0] = cpu_to_be32(MAX_TXU);
dma_wmb();
rc = h_copy_rdma(sizeof(*info), vscsi->dds.window[LOCAL].liobn,
--
2.5.4 (Apple Git-61)
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