git: 9d66e94f4e5f - stable/15 - cxgbe(4): T7 ULPTX supports larger data length with MEMIO commands

The branch stable/15 has been updated by np:

URL: https://cgit.FreeBSD.org/src/commit/?id=9d66e94f4e5f23b03288311be75c8b18526a0fe8

commit 9d66e94f4e5f23b03288311be75c8b18526a0fe8
Author:     Navdeep Parhar <np@FreeBSD.org>
AuthorDate: 2025-09-29 13:18:07 +0000
Commit:     Navdeep Parhar <np@FreeBSD.org>
CommitDate: 2025-10-02 22:09:06 +0000

    cxgbe(4): T7 ULPTX supports larger data length with MEMIO commands
    
    Sponsored by:   Chelsio Communications
    
    (cherry picked from commit 77098268dc397ea86f157f6e66540cd6618e0a05)
---
 sys/dev/cxgbe/crypto/t4_keyctx.c |  4 ++++
 sys/dev/cxgbe/iw_cxgbe/mem.c     | 13 ++++++++++---
 sys/dev/cxgbe/tom/t4_ddp.c       | 20 ++++++++++++++++----
 3 files changed, 30 insertions(+), 7 deletions(-)

diff --git a/sys/dev/cxgbe/crypto/t4_keyctx.c b/sys/dev/cxgbe/crypto/t4_keyctx.c
index 50e339ac2e05..52a75666c3aa 100644
--- a/sys/dev/cxgbe/crypto/t4_keyctx.c
+++ b/sys/dev/cxgbe/crypto/t4_keyctx.c
@@ -665,6 +665,10 @@ t4_write_tlskey_wr(const struct ktls_session *tls, int direction, int tid,
 	kwr->reneg_to_write_rx = V_KEY_GET_LOC(direction == KTLS_TX ?
 	    KEY_WRITE_TX : KEY_WRITE_RX);
 
+	/* We don't need to use V_T7_ULP_MEMIO_DATA_LEN in this routine. */
+	_Static_assert(V_T7_ULP_MEMIO_DATA_LEN(TLS_KEY_CONTEXT_SZ >> 5) ==
+	    V_ULP_MEMIO_DATA_LEN(TLS_KEY_CONTEXT_SZ >> 5), "datalen mismatch");
+
 	/* master command */
 	kwr->cmd = htobe32(V_ULPTX_CMD(ULP_TX_MEM_WRITE) |
 	    V_T5_ULP_MEMIO_ORDER(1) | V_T5_ULP_MEMIO_IMM(1));
diff --git a/sys/dev/cxgbe/iw_cxgbe/mem.c b/sys/dev/cxgbe/iw_cxgbe/mem.c
index 4a1adc118b7c..9e879bde6169 100644
--- a/sys/dev/cxgbe/iw_cxgbe/mem.c
+++ b/sys/dev/cxgbe/iw_cxgbe/mem.c
@@ -86,7 +86,10 @@ _c4iw_write_mem_dma_aligned(struct c4iw_rdev *rdev, u32 addr, u32 len,
 	ulpmc->cmd = cpu_to_be32(V_ULPTX_CMD(ULP_TX_MEM_WRITE) |
 			       V_T5_ULP_MEMIO_ORDER(1) |
 			V_T5_ULP_MEMIO_FID(sc->sge.ofld_rxq[0].iq.abs_id));
-	ulpmc->dlen = cpu_to_be32(V_ULP_MEMIO_DATA_LEN(len>>5));
+	if (chip_id(sc) >= CHELSIO_T7)
+		ulpmc->dlen = cpu_to_be32(V_T7_ULP_MEMIO_DATA_LEN(len>>5));
+	else
+		ulpmc->dlen = cpu_to_be32(V_ULP_MEMIO_DATA_LEN(len>>5));
 	ulpmc->len16 = cpu_to_be32(DIV_ROUND_UP(wr_len-sizeof(ulpmc->wr), 16));
 	ulpmc->lock_addr = cpu_to_be32(V_ULP_MEMIO_ADDR(addr));
 
@@ -149,8 +152,12 @@ _c4iw_write_mem_inline(struct c4iw_rdev *rdev, u32 addr, u32 len, void *data)
 				       V_FW_WR_LEN16(DIV_ROUND_UP(wr_len, 16)));
 
 		ulpmc->cmd = cmd;
-		ulpmc->dlen = cpu_to_be32(V_ULP_MEMIO_DATA_LEN(
-		    DIV_ROUND_UP(copy_len, T4_ULPTX_MIN_IO)));
+		if (chip_id(sc) >= CHELSIO_T7)
+			ulpmc->dlen = cpu_to_be32(V_T7_ULP_MEMIO_DATA_LEN(
+			    DIV_ROUND_UP(copy_len, T4_ULPTX_MIN_IO)));
+		else
+			ulpmc->dlen = cpu_to_be32(V_ULP_MEMIO_DATA_LEN(
+			    DIV_ROUND_UP(copy_len, T4_ULPTX_MIN_IO)));
 		ulpmc->len16 = cpu_to_be32(DIV_ROUND_UP(wr_len-sizeof(ulpmc->wr),
 						      16));
 		ulpmc->lock_addr = cpu_to_be32(V_ULP_MEMIO_ADDR(addr + i * 3));
diff --git a/sys/dev/cxgbe/tom/t4_ddp.c b/sys/dev/cxgbe/tom/t4_ddp.c
index da0753296532..35fb1061d867 100644
--- a/sys/dev/cxgbe/tom/t4_ddp.c
+++ b/sys/dev/cxgbe/tom/t4_ddp.c
@@ -1655,7 +1655,10 @@ t4_write_page_pods_for_ps(struct adapter *sc, struct sge_wrq *wrq, int tid,
 
 		INIT_ULPTX_WR(ulpmc, len, 0, 0);
 		ulpmc->cmd = cmd;
-		ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk / 32));
+		if (chip_id(sc) >= CHELSIO_T7)
+			ulpmc->dlen = htobe32(V_T7_ULP_MEMIO_DATA_LEN(chunk >> 5));
+		else
+			ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk >> 5));
 		ulpmc->len16 = htobe32(howmany(len - sizeof(ulpmc->wr), 16));
 		ulpmc->lock_addr = htobe32(V_ULP_MEMIO_ADDR(ppod_addr >> 5));
 
@@ -1842,7 +1845,10 @@ t4_write_page_pods_for_bio(struct adapter *sc, struct toepcb *toep,
 		ulpmc = mtod(m, struct ulp_mem_io *);
 		INIT_ULPTX_WR(ulpmc, len, 0, toep->tid);
 		ulpmc->cmd = cmd;
-		ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk / 32));
+		if (chip_id(sc) >= CHELSIO_T7)
+			ulpmc->dlen = htobe32(V_T7_ULP_MEMIO_DATA_LEN(chunk >> 5));
+		else
+			ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk >> 5));
 		ulpmc->len16 = htobe32(howmany(len - sizeof(ulpmc->wr), 16));
 		ulpmc->lock_addr = htobe32(V_ULP_MEMIO_ADDR(ppod_addr >> 5));
 
@@ -1922,7 +1928,10 @@ t4_write_page_pods_for_buf(struct adapter *sc, struct toepcb *toep,
 
 		INIT_ULPTX_WR(ulpmc, len, 0, toep->tid);
 		ulpmc->cmd = cmd;
-		ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk / 32));
+		if (chip_id(sc) >= CHELSIO_T7)
+			ulpmc->dlen = htobe32(V_T7_ULP_MEMIO_DATA_LEN(chunk >> 5));
+		else
+			ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk >> 5));
 		ulpmc->len16 = htobe32(howmany(len - sizeof(ulpmc->wr), 16));
 		ulpmc->lock_addr = htobe32(V_ULP_MEMIO_ADDR(ppod_addr >> 5));
 
@@ -2013,7 +2022,10 @@ t4_write_page_pods_for_sgl(struct adapter *sc, struct toepcb *toep,
 
 		INIT_ULPTX_WR(ulpmc, len, 0, toep->tid);
 		ulpmc->cmd = cmd;
-		ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk / 32));
+		if (chip_id(sc) >= CHELSIO_T7)
+			ulpmc->dlen = htobe32(V_T7_ULP_MEMIO_DATA_LEN(chunk >> 5));
+		else
+			ulpmc->dlen = htobe32(V_ULP_MEMIO_DATA_LEN(chunk >> 5));
 		ulpmc->len16 = htobe32(howmany(len - sizeof(ulpmc->wr), 16));
 		ulpmc->lock_addr = htobe32(V_ULP_MEMIO_ADDR(ppod_addr >> 5));