diff options
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0153-soc-fsl-dpio-Fix-order-restoration-API-for-QBMan-5.0.patch')
| -rw-r--r-- | target/linux/layerscape/patches-5.4/701-net-0153-soc-fsl-dpio-Fix-order-restoration-API-for-QBMan-5.0.patch | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0153-soc-fsl-dpio-Fix-order-restoration-API-for-QBMan-5.0.patch b/target/linux/layerscape/patches-5.4/701-net-0153-soc-fsl-dpio-Fix-order-restoration-API-for-QBMan-5.0.patch new file mode 100644 index 0000000000..6ca8b59518 --- /dev/null +++ b/target/linux/layerscape/patches-5.4/701-net-0153-soc-fsl-dpio-Fix-order-restoration-API-for-QBMan-5.0.patch @@ -0,0 +1,144 @@ +From 72a6312eda9b142ac5910e5f4b652fa8ae8d222d Mon Sep 17 00:00:00 2001 +From: Roy Pledge <roy.pledge@nxp.com> +Date: Thu, 25 Oct 2018 16:55:53 -0400 +Subject: [PATCH] soc: fsl: dpio: Fix order restoration API for QBMan 5.0 + +The mechanism for indicating to HW that a frame was dropped +when performing HW order restoration changed in QBMan 5.0 to +use a management command instead of a special enqueue command. +This patch implements that change when running on a QBMan 5.0 +and above device. + +Signed-off-by: Roy Pledge <roy.pledge@nxp.com> +--- + drivers/soc/fsl/dpio/dpio-service.c | 10 +++++++ + drivers/soc/fsl/dpio/qbman-portal.c | 59 ++++++++++++++++++++++++++++++++----- + drivers/soc/fsl/dpio/qbman-portal.h | 9 ++++++ + 3 files changed, 71 insertions(+), 7 deletions(-) + +--- a/drivers/soc/fsl/dpio/dpio-service.c ++++ b/drivers/soc/fsl/dpio/dpio-service.c +@@ -803,10 +803,20 @@ int dpaa2_io_service_orp_seqnum_drop(str + { + struct qbman_eq_desc ed; + struct dpaa2_fd fd; ++ unsigned long irqflags; ++ int ret; + + d = service_select(d); + if (!d) + return -ENODEV; ++ ++ if ((d->swp->desc->qman_version & QMAN_REV_MASK) >= QMAN_REV_5000) { ++ spin_lock_irqsave(&d->lock_mgmt_cmd, irqflags); ++ ret = qbman_orp_drop(d->swp, orpid, seqnum); ++ spin_unlock_irqrestore(&d->lock_mgmt_cmd, irqflags); ++ return ret; ++ } ++ + qbman_eq_desc_clear(&ed); + qbman_eq_desc_set_orp_hole(&ed, orpid, seqnum); + return qbman_swp_enqueue(d->swp, &ed, &fd); +--- a/drivers/soc/fsl/dpio/qbman-portal.c ++++ b/drivers/soc/fsl/dpio/qbman-portal.c +@@ -12,19 +12,13 @@ + + #include "qbman-portal.h" + +-#define QMAN_REV_4000 0x04000000 +-#define QMAN_REV_4100 0x04010000 +-#define QMAN_REV_4101 0x04010001 +-#define QMAN_REV_5000 0x05000000 +- +-#define QMAN_REV_MASK 0xffff0000 +- + /* All QBMan command and result structures use this "valid bit" encoding */ + #define QB_VALID_BIT ((u32)0x80) + + /* QBMan portal management command codes */ + #define QBMAN_MC_ACQUIRE 0x30 + #define QBMAN_WQCHAN_CONFIGURE 0x46 ++#define QBMAN_MC_ORP 0x63 + + /* CINH register offsets */ + #define QBMAN_CINH_SWP_EQCR_PI 0x800 +@@ -1246,3 +1240,54 @@ u32 qbman_bp_info_num_free_bufs(struct q + { + return le32_to_cpu(a->fill); + } ++ ++struct qbman_orp_cmd_desc { ++ u8 verb; ++ u8 reserved; ++ u8 cid; ++ u8 reserved2; ++ u16 orpid; ++ u16 seqnum; ++ u8 reserved3[56]; ++}; ++ ++struct qbman_orp_cmd_rslt { ++ u8 verb; ++ u8 rslt; ++ u8 cid; ++ u8 reserved1[61]; ++}; ++ ++int qbman_orp_drop(struct qbman_swp *s, u16 orpid, u16 seqnum) ++{ ++ struct qbman_orp_cmd_desc *p; ++ struct qbman_orp_cmd_rslt *r; ++ void *resp; ++ ++ p = (struct qbman_orp_cmd_desc *)qbman_swp_mc_start(s); ++ if (!p) ++ return -EBUSY; ++ ++ p->cid = 0x7; ++ p->orpid = cpu_to_le16(orpid); ++ p->seqnum = cpu_to_le16(seqnum); ++ ++ resp = qbman_swp_mc_complete(s, p, QBMAN_MC_ORP); ++ if (!resp) { ++ pr_err("qbman: Drop sequence num %d orpid 0x%x failed, no response\n", ++ seqnum, orpid); ++ return -EIO; ++ } ++ r = (struct qbman_orp_cmd_rslt *)resp; ++ /* Decode the outcome */ ++ WARN_ON((r->verb & QBMAN_RESPONSE_VERB_MASK) != QBMAN_MC_ORP); ++ ++ /* Determine success or failure */ ++ if (r->rslt != QBMAN_MC_RSLT_OK) { ++ pr_err("Drop seqnum %d of prpid 0x%x failed, code=0x%02x\n", ++ seqnum, orpid, r->rslt); ++ return -EIO; ++ } ++ ++ return 0; ++} +--- a/drivers/soc/fsl/dpio/qbman-portal.h ++++ b/drivers/soc/fsl/dpio/qbman-portal.h +@@ -9,6 +9,13 @@ + + #include <soc/fsl/dpaa2-fd.h> + ++#define QMAN_REV_4000 0x04000000 ++#define QMAN_REV_4100 0x04010000 ++#define QMAN_REV_4101 0x04010001 ++#define QMAN_REV_5000 0x05000000 ++ ++#define QMAN_REV_MASK 0xffff0000 ++ + struct dpaa2_dq; + struct qbman_swp; + +@@ -178,6 +185,8 @@ void qbman_eq_desc_set_qd(struct qbman_e + int qbman_swp_enqueue(struct qbman_swp *p, const struct qbman_eq_desc *d, + const struct dpaa2_fd *fd); + ++int qbman_orp_drop(struct qbman_swp *s, u16 orpid, u16 seqnum); ++ + void qbman_release_desc_clear(struct qbman_release_desc *d); + void qbman_release_desc_set_bpid(struct qbman_release_desc *d, u16 bpid); + void qbman_release_desc_set_rcdi(struct qbman_release_desc *d, int enable); |