From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E412B1DDCE; Tue, 16 Jul 2024 16:11:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721146320; cv=none; b=kdumYK/s6razghgbbHdhTuKrZuooCPW56gZfTjZOn42RyYhhN813OYxdMmmLCrlrjqttNICQVQUpEMH6yV1LUyNyMEvlhebr7q+AXVGPkZU1QYMsjtFqE/rjr3T2iguD9kZ9+N4zKn9ZXmmtrKtZnKvftYCI5Vx7LcPciXEfRKw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721146320; c=relaxed/simple; bh=PAx6CqM32ctUDP7szCCi+PznyT+pb1RQVj+VcyK++WM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=YpysJ3IVkDtU/ZV/gLzGFtVJeVlozTXHDE9HrrEkkMvudT1GEmAO9zBrQuZMwSMNOpMcN53D40S3LrGs3CQQgErVLDTIvIMxrguKFDK0qz4n9MdVaBKDijSBGrHIwavNrPNXIwkLZecRi7KXjQT6/K0wArdIpqDYJbqpOfgc43o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=xHHsn4H8; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="xHHsn4H8" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61E07C116B1; Tue, 16 Jul 2024 16:11:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1721146319; bh=PAx6CqM32ctUDP7szCCi+PznyT+pb1RQVj+VcyK++WM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=xHHsn4H8PrAqGi6JT0uxq96M9vnAqQZSmMrvEI9UncPMySR4oKqE0gyeSwRsB6M1g QYse0uhfdUd97GKTj0WktH5yuNj7QNNlIvv0PFzzIDzfnMnsOAhxf/s7JJi8IieHVE oN8rrPY6saktBrGFw9izURifFS+hRuu5JdUI9uH4= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Nithin Dabilpuram , "David S. Miller" , Sasha Levin Subject: [PATCH 5.15 097/144] octeontx2-af: replace cpt slot with lf id on reg write Date: Tue, 16 Jul 2024 17:32:46 +0200 Message-ID: <20240716152756.266594808@linuxfoundation.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240716152752.524497140@linuxfoundation.org> References: <20240716152752.524497140@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Nithin Dabilpuram [ Upstream commit bc35e28af7890085dcbe5cc32373647dfb4d9af9 ] Replace slot id with global CPT lf id on reg read/write as CPTPF/VF driver would send slot number instead of global lf id in the reg offset. And also update the mailbox response with the global lf's register offset. Fixes: ae454086e3c2 ("octeontx2-af: add mailbox interface for CPT") Signed-off-by: Nithin Dabilpuram Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- .../ethernet/marvell/octeontx2/af/rvu_cpt.c | 23 +++++++++++++------ 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c index 4895faa667b50..767c975ef7f38 100644 --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_cpt.c @@ -260,7 +260,8 @@ int rvu_mbox_handler_cpt_rd_wr_register(struct rvu *rvu, struct cpt_rd_wr_reg_msg *req, struct cpt_rd_wr_reg_msg *rsp) { - int blkaddr; + u64 offset = req->reg_offset; + int blkaddr, lf; blkaddr = validate_and_get_cpt_blkaddr(req->blkaddr); if (blkaddr < 0) @@ -271,17 +272,25 @@ int rvu_mbox_handler_cpt_rd_wr_register(struct rvu *rvu, !is_cpt_vf(rvu, req->hdr.pcifunc)) return CPT_AF_ERR_ACCESS_DENIED; - rsp->reg_offset = req->reg_offset; - rsp->ret_val = req->ret_val; - rsp->is_write = req->is_write; - if (!is_valid_offset(rvu, req)) return CPT_AF_ERR_ACCESS_DENIED; + /* Translate local LF used by VFs to global CPT LF */ + lf = rvu_get_lf(rvu, &rvu->hw->block[blkaddr], req->hdr.pcifunc, + (offset & 0xFFF) >> 3); + + /* Translate local LF's offset to global CPT LF's offset */ + offset &= 0xFF000; + offset += lf << 3; + + rsp->reg_offset = offset; + rsp->ret_val = req->ret_val; + rsp->is_write = req->is_write; + if (req->is_write) - rvu_write64(rvu, blkaddr, req->reg_offset, req->val); + rvu_write64(rvu, blkaddr, offset, req->val); else - rsp->val = rvu_read64(rvu, blkaddr, req->reg_offset); + rsp->val = rvu_read64(rvu, blkaddr, offset); return 0; } -- 2.43.0