diff options
Diffstat (limited to 'drivers/scsi/mpi3mr/mpi3mr_fw.c')
| -rw-r--r-- | drivers/scsi/mpi3mr/mpi3mr_fw.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/scsi/mpi3mr/mpi3mr_fw.c b/drivers/scsi/mpi3mr/mpi3mr_fw.c index 813b0bc6b9890..4b4b811403bf2 100644 --- a/drivers/scsi/mpi3mr/mpi3mr_fw.c +++ b/drivers/scsi/mpi3mr/mpi3mr_fw.c @@ -9,6 +9,7 @@ #include "mpi3mr.h" #include <linux/io-64-nonatomic-lo-hi.h> +extern int prot_mask; #if defined(writeq) && defined(CONFIG_64BIT) static inline void mpi3mr_writeq(__u64 b, volatile void __iomem *addr) @@ -2749,6 +2750,12 @@ static int mpi3mr_alloc_chain_bufs(struct mpi3mr_ioc *mrioc) num_chains = mrioc->max_host_ios / MPI3MR_CHAINBUF_FACTOR; + if (prot_mask & (SHOST_DIX_TYPE0_PROTECTION + | SHOST_DIX_TYPE1_PROTECTION + | SHOST_DIX_TYPE2_PROTECTION + | SHOST_DIX_TYPE3_PROTECTION)) + num_chains += (num_chains / MPI3MR_CHAINBUFDIX_FACTOR); + mrioc->chain_buf_count = num_chains; sz = sizeof(struct chain_element) * num_chains; mrioc->chain_sgl_list = kzalloc(sz, GFP_KERNEL); |