Very straightforward conversion of three scsi drivers.
Signed-off-by: Logan Gunthorpe logang@deltatee.com Cc: Achim Leubner achim_leubner@adaptec.com Cc: John Garry john.garry@huawei.com --- drivers/scsi/gdth.c | 9 +++++++-- drivers/scsi/hisi_sas/hisi_sas_v1_hw.c | 14 +++++++++----- drivers/scsi/hisi_sas/hisi_sas_v2_hw.c | 13 +++++++++---- drivers/scsi/mvsas/mv_sas.c | 10 +++++----- 4 files changed, 30 insertions(+), 16 deletions(-)
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index d020a13..c70248a2 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -2301,10 +2301,15 @@ static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp, return; } local_irq_save(flags); - address = kmap_atomic(sg_page(sl)) + sl->offset; + address = sg_map(sl, 0, SG_KMAP_ATOMIC); + if (IS_ERR(address)) { + scp->result = DID_ERROR << 16; + return; + } + memcpy(address, buffer, cpnow); flush_dcache_page(sg_page(sl)); - kunmap_atomic(address); + sg_unmap(sl, address, 0, SG_KMAP_ATOMIC); local_irq_restore(flags); if (cpsum == cpcount) break; diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c index fc1c1b2..b3953e3 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c @@ -1381,18 +1381,22 @@ static int slot_complete_v1_hw(struct hisi_hba *hisi_hba, void *to; struct scatterlist *sg_resp = &task->smp_task.smp_resp;
- ts->stat = SAM_STAT_GOOD; - to = kmap_atomic(sg_page(sg_resp)); + to = sg_map(sg_resp, 0, SG_KMAP_ATOMIC); + if (IS_ERR(to)) { + dev_err(dev, "slot complete: error mapping memory"); + ts->stat = SAS_SG_ERR; + break; + }
+ ts->stat = SAM_STAT_GOOD; dma_unmap_sg(dev, &task->smp_task.smp_resp, 1, DMA_FROM_DEVICE); dma_unmap_sg(dev, &task->smp_task.smp_req, 1, DMA_TO_DEVICE); - memcpy(to + sg_resp->offset, - slot->status_buffer + + memcpy(to, slot->status_buffer + sizeof(struct hisi_sas_err_record), sg_dma_len(sg_resp)); - kunmap_atomic(to); + sg_unmap(sg_resp, to, 0, SG_KMAP_ATOMIC); break; } case SAS_PROTOCOL_SATA: diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c index e241921..3e674a4 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c +++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c @@ -2307,18 +2307,23 @@ slot_complete_v2_hw(struct hisi_hba *hisi_hba, struct hisi_sas_slot *slot) struct scatterlist *sg_resp = &task->smp_task.smp_resp; void *to;
+ to = sg_map(sg_resp, 0, SG_KMAP_ATOMIC); + if (IS_ERR(to)) { + dev_err(dev, "slot complete: error mapping memory"); + ts->stat = SAS_SG_ERR; + break; + } + ts->stat = SAM_STAT_GOOD; - to = kmap_atomic(sg_page(sg_resp));
dma_unmap_sg(dev, &task->smp_task.smp_resp, 1, DMA_FROM_DEVICE); dma_unmap_sg(dev, &task->smp_task.smp_req, 1, DMA_TO_DEVICE); - memcpy(to + sg_resp->offset, - slot->status_buffer + + memcpy(to, slot->status_buffer + sizeof(struct hisi_sas_err_record), sg_dma_len(sg_resp)); - kunmap_atomic(to); + sg_unmap(sg_resp, to, 0, SG_KMAP_ATOMIC); break; } case SAS_PROTOCOL_SATA: diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index c7cc803..a72e0ce 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -1798,11 +1798,11 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) case SAS_PROTOCOL_SMP: { struct scatterlist *sg_resp = &task->smp_task.smp_resp; tstat->stat = SAM_STAT_GOOD; - to = kmap_atomic(sg_page(sg_resp)); - memcpy(to + sg_resp->offset, - slot->response + sizeof(struct mvs_err_info), - sg_dma_len(sg_resp)); - kunmap_atomic(to); + to = sg_map(sg_resp, 0, SG_KMAP_ATOMIC); + memcpy(to, + slot->response + sizeof(struct mvs_err_info), + sg_dma_len(sg_resp)); + sg_unmap(sg_resp, to, 0, SG_KMAP_ATOMIC); break; }