diff options
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 80 |
1 files changed, 51 insertions, 29 deletions
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index 147524cce8d7..2863a3b334c3 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -4191,7 +4191,8 @@ _base_release_memory_pools(struct MPT3SAS_ADAPTER *ioc) kfree(ioc->internal_lookup); if (ioc->chain_lookup) { for (i = 0; i < ioc->scsiio_depth; i++) { - for (j = 0; j < ioc->chains_needed_per_io; j++) { + for (j = ioc->chains_per_prp_buffer; + j < ioc->chains_needed_per_io; j++) { ct = &ioc->chain_lookup[i].chains_per_smid[j]; if (ct && ct->chain_buffer) dma_pool_free(ioc->chain_dma_pool, @@ -4509,7 +4510,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->chain_lookup = kzalloc(sz, GFP_KERNEL); if (!ioc->chain_lookup) { pr_err(MPT3SAS_FMT "chain_lookup: __get_free_pages " - "failed\n", ioc->name); + "failed\n", ioc->name); goto out; } @@ -4523,33 +4524,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) } } - ioc->chain_dma_pool = dma_pool_create("chain pool", &ioc->pdev->dev, - ioc->chain_segment_sz, 16, 0); - if (!ioc->chain_dma_pool) { - pr_err(MPT3SAS_FMT "chain_dma_pool: dma_pool_create failed\n", - ioc->name); - goto out; - } - for (i = 0; i < ioc->scsiio_depth; i++) { - for (j = 0; j < ioc->chains_needed_per_io; j++) { - ct = &ioc->chain_lookup[i].chains_per_smid[j]; - ct->chain_buffer = dma_pool_alloc( - ioc->chain_dma_pool , GFP_KERNEL, - &ct->chain_buffer_dma); - if (!ct->chain_buffer) { - pr_err(MPT3SAS_FMT "chain_lookup: " - " pci_pool_alloc failed\n", ioc->name); - goto out; - } - } - total_sz += ioc->chain_segment_sz; - } - - dinitprintk(ioc, pr_info(MPT3SAS_FMT - "chain pool depth(%d), frame_size(%d), pool_size(%d kB)\n", - ioc->name, ioc->chain_depth, ioc->chain_segment_sz, - ((ioc->chain_depth * ioc->chain_segment_sz))/1024)); - /* initialize hi-priority queue smid's */ ioc->hpr_lookup = kcalloc(ioc->hi_priority_depth, sizeof(struct request_tracker), GFP_KERNEL); @@ -4590,6 +4564,7 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) * be required for NVMe PRP's, only each set of NVMe blocks will be * contiguous, so a new set is allocated for each possible I/O. */ + ioc->chains_per_prp_buffer = 0; if (ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_NVME_DEVICES) { nvme_blocks_needed = (ioc->shost->sg_tablesize * NVME_PRP_SIZE) - 1; @@ -4612,6 +4587,11 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->name); goto out; } + + ioc->chains_per_prp_buffer = sz/ioc->chain_segment_sz; + ioc->chains_per_prp_buffer = min(ioc->chains_per_prp_buffer, + ioc->chains_needed_per_io); + for (i = 0; i < ioc->scsiio_depth; i++) { ioc->pcie_sg_lookup[i].pcie_sgl = dma_pool_alloc( ioc->pcie_sgl_dma_pool, GFP_KERNEL, @@ -4622,13 +4602,55 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc) ioc->name); goto out; } + for (j = 0; j < ioc->chains_per_prp_buffer; j++) { + ct = &ioc->chain_lookup[i].chains_per_smid[j]; + ct->chain_buffer = + ioc->pcie_sg_lookup[i].pcie_sgl + + (j * ioc->chain_segment_sz); + ct->chain_buffer_dma = + ioc->pcie_sg_lookup[i].pcie_sgl_dma + + (j * ioc->chain_segment_sz); + } } dinitprintk(ioc, pr_info(MPT3SAS_FMT "PCIe sgl pool depth(%d), " "element_size(%d), pool_size(%d kB)\n", ioc->name, ioc->scsiio_depth, sz, (sz * ioc->scsiio_depth)/1024)); + dinitprintk(ioc, pr_info(MPT3SAS_FMT "Number of chains can " + "fit in a PRP page(%d)\n", ioc->name, + ioc->chains_per_prp_buffer)); total_sz += sz * ioc->scsiio_depth; } + + ioc->chain_dma_pool = dma_pool_create("chain pool", &ioc->pdev->dev, + ioc->chain_segment_sz, 16, 0); + if (!ioc->chain_dma_pool) { + pr_err(MPT3SAS_FMT "chain_dma_pool: dma_pool_create failed\n", + ioc->name); + goto out; + } + for (i = 0; i < ioc->scsiio_depth; i++) { + for (j = ioc->chains_per_prp_buffer; + j < ioc->chains_needed_per_io; j++) { + ct = &ioc->chain_lookup[i].chains_per_smid[j]; + ct->chain_buffer = dma_pool_alloc( + ioc->chain_dma_pool, GFP_KERNEL, + &ct->chain_buffer_dma); + if (!ct->chain_buffer) { + pr_err(MPT3SAS_FMT "chain_lookup: " + " pci_pool_alloc failed\n", ioc->name); + _base_release_memory_pools(ioc); + goto out; + } + } + total_sz += ioc->chain_segment_sz; + } + + dinitprintk(ioc, pr_info(MPT3SAS_FMT + "chain pool depth(%d), frame_size(%d), pool_size(%d kB)\n", + ioc->name, ioc->chain_depth, ioc->chain_segment_sz, + ((ioc->chain_depth * ioc->chain_segment_sz))/1024)); + /* sense buffers, 4 byte align */ sz = ioc->scsiio_depth * SCSI_SENSE_BUFFERSIZE; ioc->sense_dma_pool = dma_pool_create("sense pool", &ioc->pdev->dev, sz, |