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path: root/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
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Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c543
1 files changed, 543 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
new file mode 100644
index 000000000..f9faa5b23
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cn10k.c
@@ -0,0 +1,543 @@
+// SPDX-License-Identifier: GPL-2.0
+/* Marvell RPM CN10K driver
+ *
+ * Copyright (C) 2020 Marvell.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/pci.h>
+#include "rvu.h"
+#include "cgx.h"
+#include "rvu_reg.h"
+
+/* RVU LMTST */
+#define LMT_TBL_OP_READ 0
+#define LMT_TBL_OP_WRITE 1
+#define LMT_MAP_TABLE_SIZE (128 * 1024)
+#define LMT_MAPTBL_ENTRY_SIZE 16
+
+/* Function to perform operations (read/write) on lmtst map table */
+static int lmtst_map_table_ops(struct rvu *rvu, u32 index, u64 *val,
+ int lmt_tbl_op)
+{
+ void __iomem *lmt_map_base;
+ u64 tbl_base;
+
+ tbl_base = rvu_read64(rvu, BLKADDR_APR, APR_AF_LMT_MAP_BASE);
+
+ lmt_map_base = ioremap_wc(tbl_base, LMT_MAP_TABLE_SIZE);
+ if (!lmt_map_base) {
+ dev_err(rvu->dev, "Failed to setup lmt map table mapping!!\n");
+ return -ENOMEM;
+ }
+
+ if (lmt_tbl_op == LMT_TBL_OP_READ) {
+ *val = readq(lmt_map_base + index);
+ } else {
+ writeq((*val), (lmt_map_base + index));
+ /* Flushing the AP interceptor cache to make APR_LMT_MAP_ENTRY_S
+ * changes effective. Write 1 for flush and read is being used as a
+ * barrier and sets up a data dependency. Write to 0 after a write
+ * to 1 to complete the flush.
+ */
+ rvu_write64(rvu, BLKADDR_APR, APR_AF_LMT_CTL, BIT_ULL(0));
+ rvu_read64(rvu, BLKADDR_APR, APR_AF_LMT_CTL);
+ rvu_write64(rvu, BLKADDR_APR, APR_AF_LMT_CTL, 0x00);
+ }
+
+ iounmap(lmt_map_base);
+ return 0;
+}
+
+#define LMT_MAP_TBL_W1_OFF 8
+static u32 rvu_get_lmtst_tbl_index(struct rvu *rvu, u16 pcifunc)
+{
+ return ((rvu_get_pf(pcifunc) * rvu->hw->total_vfs) +
+ (pcifunc & RVU_PFVF_FUNC_MASK)) * LMT_MAPTBL_ENTRY_SIZE;
+}
+
+static int rvu_get_lmtaddr(struct rvu *rvu, u16 pcifunc,
+ u64 iova, u64 *lmt_addr)
+{
+ u64 pa, val, pf;
+ int err = 0;
+
+ if (!iova) {
+ dev_err(rvu->dev, "%s Requested Null address for transulation\n", __func__);
+ return -EINVAL;
+ }
+
+ mutex_lock(&rvu->rsrc_lock);
+ rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_ADDR_REQ, iova);
+ pf = rvu_get_pf(pcifunc) & 0x1F;
+ val = BIT_ULL(63) | BIT_ULL(14) | BIT_ULL(13) | pf << 8 |
+ ((pcifunc & RVU_PFVF_FUNC_MASK) & 0xFF);
+ rvu_write64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_TXN_REQ, val);
+
+ err = rvu_poll_reg(rvu, BLKADDR_RVUM, RVU_AF_SMMU_ADDR_RSP_STS, BIT_ULL(0), false);
+ if (err) {
+ dev_err(rvu->dev, "%s LMTLINE iova transulation failed\n", __func__);
+ goto exit;
+ }
+ val = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_ADDR_RSP_STS);
+ if (val & ~0x1ULL) {
+ dev_err(rvu->dev, "%s LMTLINE iova transulation failed err:%llx\n", __func__, val);
+ err = -EIO;
+ goto exit;
+ }
+ /* PA[51:12] = RVU_AF_SMMU_TLN_FLIT0[57:18]
+ * PA[11:0] = IOVA[11:0]
+ */
+ pa = rvu_read64(rvu, BLKADDR_RVUM, RVU_AF_SMMU_TLN_FLIT0) >> 18;
+ pa &= GENMASK_ULL(39, 0);
+ *lmt_addr = (pa << 12) | (iova & 0xFFF);
+exit:
+ mutex_unlock(&rvu->rsrc_lock);
+ return err;
+}
+
+static int rvu_update_lmtaddr(struct rvu *rvu, u16 pcifunc, u64 lmt_addr)
+{
+ struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
+ u32 tbl_idx;
+ int err = 0;
+ u64 val;
+
+ /* Read the current lmt addr of pcifunc */
+ tbl_idx = rvu_get_lmtst_tbl_index(rvu, pcifunc);
+ err = lmtst_map_table_ops(rvu, tbl_idx, &val, LMT_TBL_OP_READ);
+ if (err) {
+ dev_err(rvu->dev,
+ "Failed to read LMT map table: index 0x%x err %d\n",
+ tbl_idx, err);
+ return err;
+ }
+
+ /* Storing the seondary's lmt base address as this needs to be
+ * reverted in FLR. Also making sure this default value doesn't
+ * get overwritten on multiple calls to this mailbox.
+ */
+ if (!pfvf->lmt_base_addr)
+ pfvf->lmt_base_addr = val;
+
+ /* Update the LMT table with new addr */
+ err = lmtst_map_table_ops(rvu, tbl_idx, &lmt_addr, LMT_TBL_OP_WRITE);
+ if (err) {
+ dev_err(rvu->dev,
+ "Failed to update LMT map table: index 0x%x err %d\n",
+ tbl_idx, err);
+ return err;
+ }
+ return 0;
+}
+
+int rvu_mbox_handler_lmtst_tbl_setup(struct rvu *rvu,
+ struct lmtst_tbl_setup_req *req,
+ struct msg_rsp *rsp)
+{
+ struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, req->hdr.pcifunc);
+ u32 pri_tbl_idx, tbl_idx;
+ u64 lmt_addr;
+ int err = 0;
+ u64 val;
+
+ /* Check if PF_FUNC wants to use it's own local memory as LMTLINE
+ * region, if so, convert that IOVA to physical address and
+ * populate LMT table with that address
+ */
+ if (req->use_local_lmt_region) {
+ err = rvu_get_lmtaddr(rvu, req->hdr.pcifunc,
+ req->lmt_iova, &lmt_addr);
+ if (err < 0)
+ return err;
+
+ /* Update the lmt addr for this PFFUNC in the LMT table */
+ err = rvu_update_lmtaddr(rvu, req->hdr.pcifunc, lmt_addr);
+ if (err)
+ return err;
+ }
+
+ /* Reconfiguring lmtst map table in lmt region shared mode i.e. make
+ * multiple PF_FUNCs to share an LMTLINE region, so primary/base
+ * pcifunc (which is passed as an argument to mailbox) is the one
+ * whose lmt base address will be shared among other secondary
+ * pcifunc (will be the one who is calling this mailbox).
+ */
+ if (req->base_pcifunc) {
+ /* Calculating the LMT table index equivalent to primary
+ * pcifunc.
+ */
+ pri_tbl_idx = rvu_get_lmtst_tbl_index(rvu, req->base_pcifunc);
+
+ /* Read the base lmt addr of the primary pcifunc */
+ err = lmtst_map_table_ops(rvu, pri_tbl_idx, &val,
+ LMT_TBL_OP_READ);
+ if (err) {
+ dev_err(rvu->dev,
+ "Failed to read LMT map table: index 0x%x err %d\n",
+ pri_tbl_idx, err);
+ goto error;
+ }
+
+ /* Update the base lmt addr of secondary with primary's base
+ * lmt addr.
+ */
+ err = rvu_update_lmtaddr(rvu, req->hdr.pcifunc, val);
+ if (err)
+ return err;
+ }
+
+ /* This mailbox can also be used to update word1 of APR_LMT_MAP_ENTRY_S
+ * like enabling scheduled LMTST, disable LMTLINE prefetch, disable
+ * early completion for ordered LMTST.
+ */
+ if (req->sch_ena || req->dis_sched_early_comp || req->dis_line_pref) {
+ tbl_idx = rvu_get_lmtst_tbl_index(rvu, req->hdr.pcifunc);
+ err = lmtst_map_table_ops(rvu, tbl_idx + LMT_MAP_TBL_W1_OFF,
+ &val, LMT_TBL_OP_READ);
+ if (err) {
+ dev_err(rvu->dev,
+ "Failed to read LMT map table: index 0x%x err %d\n",
+ tbl_idx + LMT_MAP_TBL_W1_OFF, err);
+ goto error;
+ }
+
+ /* Storing lmt map table entry word1 default value as this needs
+ * to be reverted in FLR. Also making sure this default value
+ * doesn't get overwritten on multiple calls to this mailbox.
+ */
+ if (!pfvf->lmt_map_ent_w1)
+ pfvf->lmt_map_ent_w1 = val;
+
+ /* Disable early completion for Ordered LMTSTs. */
+ if (req->dis_sched_early_comp)
+ val |= (req->dis_sched_early_comp <<
+ APR_LMT_MAP_ENT_DIS_SCH_CMP_SHIFT);
+ /* Enable scheduled LMTST */
+ if (req->sch_ena)
+ val |= (req->sch_ena << APR_LMT_MAP_ENT_SCH_ENA_SHIFT) |
+ req->ssow_pf_func;
+ /* Disables LMTLINE prefetch before receiving store data. */
+ if (req->dis_line_pref)
+ val |= (req->dis_line_pref <<
+ APR_LMT_MAP_ENT_DIS_LINE_PREF_SHIFT);
+
+ err = lmtst_map_table_ops(rvu, tbl_idx + LMT_MAP_TBL_W1_OFF,
+ &val, LMT_TBL_OP_WRITE);
+ if (err) {
+ dev_err(rvu->dev,
+ "Failed to update LMT map table: index 0x%x err %d\n",
+ tbl_idx + LMT_MAP_TBL_W1_OFF, err);
+ goto error;
+ }
+ }
+
+error:
+ return err;
+}
+
+/* Resetting the lmtst map table to original base addresses */
+void rvu_reset_lmt_map_tbl(struct rvu *rvu, u16 pcifunc)
+{
+ struct rvu_pfvf *pfvf = rvu_get_pfvf(rvu, pcifunc);
+ u32 tbl_idx;
+ int err;
+
+ if (is_rvu_otx2(rvu))
+ return;
+
+ if (pfvf->lmt_base_addr || pfvf->lmt_map_ent_w1) {
+ /* This corresponds to lmt map table index */
+ tbl_idx = rvu_get_lmtst_tbl_index(rvu, pcifunc);
+ /* Reverting back original lmt base addr for respective
+ * pcifunc.
+ */
+ if (pfvf->lmt_base_addr) {
+ err = lmtst_map_table_ops(rvu, tbl_idx,
+ &pfvf->lmt_base_addr,
+ LMT_TBL_OP_WRITE);
+ if (err)
+ dev_err(rvu->dev,
+ "Failed to update LMT map table: index 0x%x err %d\n",
+ tbl_idx, err);
+ pfvf->lmt_base_addr = 0;
+ }
+ /* Reverting back to orginal word1 val of lmtst map table entry
+ * which underwent changes.
+ */
+ if (pfvf->lmt_map_ent_w1) {
+ err = lmtst_map_table_ops(rvu,
+ tbl_idx + LMT_MAP_TBL_W1_OFF,
+ &pfvf->lmt_map_ent_w1,
+ LMT_TBL_OP_WRITE);
+ if (err)
+ dev_err(rvu->dev,
+ "Failed to update LMT map table: index 0x%x err %d\n",
+ tbl_idx + LMT_MAP_TBL_W1_OFF, err);
+ pfvf->lmt_map_ent_w1 = 0;
+ }
+ }
+}
+
+int rvu_set_channels_base(struct rvu *rvu)
+{
+ u16 nr_lbk_chans, nr_sdp_chans, nr_cgx_chans, nr_cpt_chans;
+ u16 sdp_chan_base, cgx_chan_base, cpt_chan_base;
+ struct rvu_hwinfo *hw = rvu->hw;
+ u64 nix_const, nix_const1;
+ int blkaddr;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NIX, 0);
+ if (blkaddr < 0)
+ return blkaddr;
+
+ nix_const = rvu_read64(rvu, blkaddr, NIX_AF_CONST);
+ nix_const1 = rvu_read64(rvu, blkaddr, NIX_AF_CONST1);
+
+ hw->cgx = (nix_const >> 12) & 0xFULL;
+ hw->lmac_per_cgx = (nix_const >> 8) & 0xFULL;
+ hw->cgx_links = hw->cgx * hw->lmac_per_cgx;
+ hw->lbk_links = (nix_const >> 24) & 0xFULL;
+ hw->cpt_links = (nix_const >> 44) & 0xFULL;
+ hw->sdp_links = 1;
+
+ hw->cgx_chan_base = NIX_CHAN_CGX_LMAC_CHX(0, 0, 0);
+ hw->lbk_chan_base = NIX_CHAN_LBK_CHX(0, 0);
+ hw->sdp_chan_base = NIX_CHAN_SDP_CH_START;
+
+ /* No Programmable channels */
+ if (!(nix_const & BIT_ULL(60)))
+ return 0;
+
+ hw->cap.programmable_chans = true;
+
+ /* If programmable channels are present then configure
+ * channels such that all channel numbers are contiguous
+ * leaving no holes. This way the new CPT channels can be
+ * accomodated. The order of channel numbers assigned is
+ * LBK, SDP, CGX and CPT. Also the base channel number
+ * of a block must be multiple of number of channels
+ * of the block.
+ */
+ nr_lbk_chans = (nix_const >> 16) & 0xFFULL;
+ nr_sdp_chans = nix_const1 & 0xFFFULL;
+ nr_cgx_chans = nix_const & 0xFFULL;
+ nr_cpt_chans = (nix_const >> 32) & 0xFFFULL;
+
+ sdp_chan_base = hw->lbk_chan_base + hw->lbk_links * nr_lbk_chans;
+ /* Round up base channel to multiple of number of channels */
+ hw->sdp_chan_base = ALIGN(sdp_chan_base, nr_sdp_chans);
+
+ cgx_chan_base = hw->sdp_chan_base + hw->sdp_links * nr_sdp_chans;
+ hw->cgx_chan_base = ALIGN(cgx_chan_base, nr_cgx_chans);
+
+ cpt_chan_base = hw->cgx_chan_base + hw->cgx_links * nr_cgx_chans;
+ hw->cpt_chan_base = ALIGN(cpt_chan_base, nr_cpt_chans);
+
+ /* Out of 4096 channels start CPT from 2048 so
+ * that MSB for CPT channels is always set
+ */
+ if (cpt_chan_base <= NIX_CHAN_CPT_CH_START) {
+ hw->cpt_chan_base = NIX_CHAN_CPT_CH_START;
+ } else {
+ dev_err(rvu->dev,
+ "CPT channels could not fit in the range 2048-4095\n");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+#define LBK_CONNECT_NIXX(a) (0x0 + (a))
+
+static void __rvu_lbk_set_chans(struct rvu *rvu, void __iomem *base,
+ u64 offset, int lbkid, u16 chans)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ u64 cfg;
+
+ cfg = readq(base + offset);
+ cfg &= ~(LBK_LINK_CFG_RANGE_MASK |
+ LBK_LINK_CFG_ID_MASK | LBK_LINK_CFG_BASE_MASK);
+ cfg |= FIELD_PREP(LBK_LINK_CFG_RANGE_MASK, ilog2(chans));
+ cfg |= FIELD_PREP(LBK_LINK_CFG_ID_MASK, lbkid);
+ cfg |= FIELD_PREP(LBK_LINK_CFG_BASE_MASK, hw->lbk_chan_base);
+
+ writeq(cfg, base + offset);
+}
+
+static void rvu_lbk_set_channels(struct rvu *rvu)
+{
+ struct pci_dev *pdev = NULL;
+ void __iomem *base;
+ u64 lbk_const;
+ u8 src, dst;
+ u16 chans;
+
+ /* To loopback packets between multiple NIX blocks
+ * mutliple LBK blocks are needed. With two NIX blocks,
+ * four LBK blocks are needed and each LBK block
+ * source and destination are as follows:
+ * LBK0 - source NIX0 and destination NIX1
+ * LBK1 - source NIX0 and destination NIX1
+ * LBK2 - source NIX1 and destination NIX0
+ * LBK3 - source NIX1 and destination NIX1
+ * As per the HRM channel numbers should be programmed as:
+ * P2X and X2P of LBK0 as same
+ * P2X and X2P of LBK3 as same
+ * P2X of LBK1 and X2P of LBK2 as same
+ * P2X of LBK2 and X2P of LBK1 as same
+ */
+ while (true) {
+ pdev = pci_get_device(PCI_VENDOR_ID_CAVIUM,
+ PCI_DEVID_OCTEONTX2_LBK, pdev);
+ if (!pdev)
+ return;
+
+ base = pci_ioremap_bar(pdev, 0);
+ if (!base)
+ goto err_put;
+
+ lbk_const = readq(base + LBK_CONST);
+ chans = FIELD_GET(LBK_CONST_CHANS, lbk_const);
+ dst = FIELD_GET(LBK_CONST_DST, lbk_const);
+ src = FIELD_GET(LBK_CONST_SRC, lbk_const);
+
+ if (src == dst) {
+ if (src == LBK_CONNECT_NIXX(0)) { /* LBK0 */
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_X2P,
+ 0, chans);
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_P2X,
+ 0, chans);
+ } else if (src == LBK_CONNECT_NIXX(1)) { /* LBK3 */
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_X2P,
+ 1, chans);
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_P2X,
+ 1, chans);
+ }
+ } else {
+ if (src == LBK_CONNECT_NIXX(0)) { /* LBK1 */
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_X2P,
+ 0, chans);
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_P2X,
+ 1, chans);
+ } else if (src == LBK_CONNECT_NIXX(1)) { /* LBK2 */
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_X2P,
+ 1, chans);
+ __rvu_lbk_set_chans(rvu, base, LBK_LINK_CFG_P2X,
+ 0, chans);
+ }
+ }
+ iounmap(base);
+ }
+err_put:
+ pci_dev_put(pdev);
+}
+
+static void __rvu_nix_set_channels(struct rvu *rvu, int blkaddr)
+{
+ u64 nix_const1 = rvu_read64(rvu, blkaddr, NIX_AF_CONST1);
+ u64 nix_const = rvu_read64(rvu, blkaddr, NIX_AF_CONST);
+ u16 cgx_chans, lbk_chans, sdp_chans, cpt_chans;
+ struct rvu_hwinfo *hw = rvu->hw;
+ int link, nix_link = 0;
+ u16 start;
+ u64 cfg;
+
+ cgx_chans = nix_const & 0xFFULL;
+ lbk_chans = (nix_const >> 16) & 0xFFULL;
+ sdp_chans = nix_const1 & 0xFFFULL;
+ cpt_chans = (nix_const >> 32) & 0xFFFULL;
+
+ start = hw->cgx_chan_base;
+ for (link = 0; link < hw->cgx_links; link++, nix_link++) {
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link));
+ cfg &= ~(NIX_AF_LINKX_BASE_MASK | NIX_AF_LINKX_RANGE_MASK);
+ cfg |= FIELD_PREP(NIX_AF_LINKX_RANGE_MASK, ilog2(cgx_chans));
+ cfg |= FIELD_PREP(NIX_AF_LINKX_BASE_MASK, start);
+ rvu_write64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link), cfg);
+ start += cgx_chans;
+ }
+
+ start = hw->lbk_chan_base;
+ for (link = 0; link < hw->lbk_links; link++, nix_link++) {
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link));
+ cfg &= ~(NIX_AF_LINKX_BASE_MASK | NIX_AF_LINKX_RANGE_MASK);
+ cfg |= FIELD_PREP(NIX_AF_LINKX_RANGE_MASK, ilog2(lbk_chans));
+ cfg |= FIELD_PREP(NIX_AF_LINKX_BASE_MASK, start);
+ rvu_write64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link), cfg);
+ start += lbk_chans;
+ }
+
+ start = hw->sdp_chan_base;
+ for (link = 0; link < hw->sdp_links; link++, nix_link++) {
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link));
+ cfg &= ~(NIX_AF_LINKX_BASE_MASK | NIX_AF_LINKX_RANGE_MASK);
+ cfg |= FIELD_PREP(NIX_AF_LINKX_RANGE_MASK, ilog2(sdp_chans));
+ cfg |= FIELD_PREP(NIX_AF_LINKX_BASE_MASK, start);
+ rvu_write64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link), cfg);
+ start += sdp_chans;
+ }
+
+ start = hw->cpt_chan_base;
+ for (link = 0; link < hw->cpt_links; link++, nix_link++) {
+ cfg = rvu_read64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link));
+ cfg &= ~(NIX_AF_LINKX_BASE_MASK | NIX_AF_LINKX_RANGE_MASK);
+ cfg |= FIELD_PREP(NIX_AF_LINKX_RANGE_MASK, ilog2(cpt_chans));
+ cfg |= FIELD_PREP(NIX_AF_LINKX_BASE_MASK, start);
+ rvu_write64(rvu, blkaddr, NIX_AF_LINKX_CFG(nix_link), cfg);
+ start += cpt_chans;
+ }
+}
+
+static void rvu_nix_set_channels(struct rvu *rvu)
+{
+ int blkaddr = 0;
+
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ while (blkaddr) {
+ __rvu_nix_set_channels(rvu, blkaddr);
+ blkaddr = rvu_get_next_nix_blkaddr(rvu, blkaddr);
+ }
+}
+
+static void __rvu_rpm_set_channels(int cgxid, int lmacid, u16 base)
+{
+ u64 cfg;
+
+ cfg = cgx_lmac_read(cgxid, lmacid, RPMX_CMRX_LINK_CFG);
+ cfg &= ~(RPMX_CMRX_LINK_BASE_MASK | RPMX_CMRX_LINK_RANGE_MASK);
+
+ /* There is no read-only constant register to read
+ * the number of channels for LMAC and it is always 16.
+ */
+ cfg |= FIELD_PREP(RPMX_CMRX_LINK_RANGE_MASK, ilog2(16));
+ cfg |= FIELD_PREP(RPMX_CMRX_LINK_BASE_MASK, base);
+ cgx_lmac_write(cgxid, lmacid, RPMX_CMRX_LINK_CFG, cfg);
+}
+
+static void rvu_rpm_set_channels(struct rvu *rvu)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+ u16 base = hw->cgx_chan_base;
+ int cgx, lmac;
+
+ for (cgx = 0; cgx < rvu->cgx_cnt_max; cgx++) {
+ for (lmac = 0; lmac < hw->lmac_per_cgx; lmac++) {
+ __rvu_rpm_set_channels(cgx, lmac, base);
+ base += 16;
+ }
+ }
+}
+
+void rvu_program_channels(struct rvu *rvu)
+{
+ struct rvu_hwinfo *hw = rvu->hw;
+
+ if (!hw->cap.programmable_chans)
+ return;
+
+ rvu_nix_set_channels(rvu);
+ rvu_lbk_set_channels(rvu);
+ rvu_rpm_set_channels(rvu);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-26 02:57:17 +0000