diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2025-11-06 09:25:16 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-11-06 09:27:40 -0800 |
| commit | 1ec9871fbb80ba7db84f868f6aa40d38bc43f0e0 (patch) | |
| tree | 5b51296797c4e6d4cfa1707d3cacf2704efa2de4 /drivers/nvme/host/pci.c | |
| parent | 13068e9d57264d0a86b8195817a01155ba33d230 (diff) | |
| parent | c2c2ccfd4ba72718266a56f3ecc34c989cb5b7a0 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.18-rc5).
Conflicts:
drivers/net/wireless/ath/ath12k/mac.c
9222582ec524 ("Revert "wifi: ath12k: Fix missing station power save configuration"")
6917e268c433 ("wifi: ath12k: Defer vdev bring-up until CSA finalize to avoid stale beacon")
https://lore.kernel.org/11cece9f7e36c12efd732baa5718239b1bf8c950.camel@sipsolutions.net
Adjacent changes:
drivers/net/ethernet/intel/Kconfig
b1d16f7c0063 ("libie: depend on DEBUG_FS when building LIBIE_FWLOG")
93f53db9f9dc ("ice: switch to Page Pool")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/nvme/host/pci.c')
| -rw-r--r-- | drivers/nvme/host/pci.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index c916176bd9f0..72fb675a696f 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -1042,7 +1042,7 @@ static blk_status_t nvme_map_data(struct request *req) return nvme_pci_setup_data_prp(req, &iter); } -static blk_status_t nvme_pci_setup_meta_sgls(struct request *req) +static blk_status_t nvme_pci_setup_meta_iter(struct request *req) { struct nvme_queue *nvmeq = req->mq_hctx->driver_data; unsigned int entries = req->nr_integrity_segments; @@ -1072,8 +1072,12 @@ static blk_status_t nvme_pci_setup_meta_sgls(struct request *req) * descriptor provides an explicit length, so we're relying on that * mechanism to catch any misunderstandings between the application and * device. + * + * P2P DMA also needs to use the blk_dma_iter method, so mptr setup + * leverages this routine when that happens. */ - if (entries == 1 && !(nvme_req(req)->flags & NVME_REQ_USERCMD)) { + if (!nvme_ctrl_meta_sgl_supported(&dev->ctrl) || + (entries == 1 && !(nvme_req(req)->flags & NVME_REQ_USERCMD))) { iod->cmd.common.metadata = cpu_to_le64(iter.addr); iod->meta_total_len = iter.len; iod->meta_dma = iter.addr; @@ -1114,6 +1118,9 @@ static blk_status_t nvme_pci_setup_meta_mptr(struct request *req) struct nvme_queue *nvmeq = req->mq_hctx->driver_data; struct bio_vec bv = rq_integrity_vec(req); + if (is_pci_p2pdma_page(bv.bv_page)) + return nvme_pci_setup_meta_iter(req); + iod->meta_dma = dma_map_bvec(nvmeq->dev->dev, &bv, rq_dma_dir(req), 0); if (dma_mapping_error(nvmeq->dev->dev, iod->meta_dma)) return BLK_STS_IOERR; @@ -1128,7 +1135,7 @@ static blk_status_t nvme_map_metadata(struct request *req) if ((iod->cmd.common.flags & NVME_CMD_SGL_METABUF) && nvme_pci_metadata_use_sgls(req)) - return nvme_pci_setup_meta_sgls(req); + return nvme_pci_setup_meta_iter(req); return nvme_pci_setup_meta_mptr(req); } |