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Sun, 15 Dec 2019 13:05:50 +0000 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp08025.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id xBFD5nXQ55509496 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Sun, 15 Dec 2019 13:05:49 GMT Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 53EE5136053; Sun, 15 Dec 2019 13:05:49 +0000 (GMT) Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C4B60136061; Sun, 15 Dec 2019 13:05:48 +0000 (GMT) Received: from [9.70.82.143] (unknown [9.70.82.143]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP; Sun, 15 Dec 2019 13:05:48 +0000 (GMT) Subject: [PATCH 07/10] crypto/nx: Enable and setup GZIP compresstion type From: Haren Myneni To: herbert@gondor.apana.org.au In-Reply-To: <1576414240.16318.4066.camel@hbabu-laptop> References: <1576414240.16318.4066.camel@hbabu-laptop> Content-Type: text/plain; charset="UTF-8" Date: Sun, 15 Dec 2019 05:03:59 -0800 Message-ID: <1576415039.16318.4091.camel@hbabu-laptop> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.95,18.0.572 definitions=2019-12-15_03:2019-12-13,2019-12-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 mlxlogscore=999 clxscore=1015 bulkscore=0 adultscore=0 mlxscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 impostorscore=0 priorityscore=1501 suspectscore=1 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-1910280000 definitions=main-1912150124 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mikey@neuling.org, npiggin@gmail.com, hch@infradead.org, linux-crypto@vger.kernel.org, sukadev@linux.vnet.ibm.com, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Changes to probe GZIP device-tree nodes, open RX windows and setup GZIP compression type. No plans to provide GZIP usage in kernel right now, but this patch enables GZIP for user space usage. Signed-off-by: Haren Myneni --- drivers/crypto/nx/nx-commom-powernv.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/crypto/nx/nx-commom-powernv.c b/drivers/crypto/nx/nx-commom-powernv.c index 86efa4f..7cc736f 100644 --- a/drivers/crypto/nx/nx-commom-powernv.c +++ b/drivers/crypto/nx/nx-commom-powernv.c @@ -49,6 +49,7 @@ struct nx_coproc { * Using same values as in skiboot or coprocessor type representing * in NX workbook. */ +#define NX_CT_GZIP (2) /* on P9 and later */ #define NX_CT_842 (3) static inline void nx_add_coprocs_list(struct nx_coproc *coproc, @@ -198,6 +199,9 @@ static int __init vas_cfg_coproc_info(struct device_node *dn, int chip_id, if (type == NX_CT_842) ret = nx_set_ct(coproc, priority, VAS_COP_TYPE_842_HIPRI, VAS_COP_TYPE_842); + else if (type == NX_CT_GZIP) + ret = nx_set_ct(coproc, priority, VAS_COP_TYPE_GZIP_HIPRI, + VAS_COP_TYPE_GZIP); if (ret) goto err_out; @@ -245,12 +249,15 @@ static int __init vas_cfg_coproc_info(struct device_node *dn, int chip_id, return ret; } -static int __init nx_coproc_init(int chip_id, int ct_842) +static int __init nx_coproc_init(int chip_id, int ct_842, int ct_gzip) { int ret = 0; if (opal_check_token(OPAL_NX_COPROC_INIT)) { ret = opal_nx_coproc_init(chip_id, ct_842); + + if (!ret) + ret = opal_nx_coproc_init(chip_id, ct_gzip); if (ret) { ret = opal_error_code(ret); pr_err("Failed to initialize NX for chip(%d): %d\n", @@ -280,8 +287,8 @@ static int __init find_nx_device_tree(struct device_node *dn, int chip_id, static int __init nx_powernv_probe_vas(struct device_node *pn) { int chip_id, vasid, ret = 0; + int ct_842 = 0, ct_gzip = 0; struct device_node *dn; - int ct_842 = 0; chip_id = of_get_ibm_chip_id(pn); if (chip_id < 0) { @@ -298,19 +305,22 @@ static int __init nx_powernv_probe_vas(struct device_node *pn) for_each_child_of_node(pn, dn) { ret = find_nx_device_tree(dn, chip_id, vasid, NX_CT_842, "ibm,p9-nx-842", &ct_842); + if (!ret) + ret = find_nx_device_tree(dn, chip_id, vasid, + NX_CT_GZIP, "ibm,p9-nx-gzip", &ct_gzip); if (ret) return ret; } - if (!ct_842) { - pr_err("NX842 FIFO nodes are missing\n"); + if (!ct_842 || !ct_gzip) { + pr_err("NX FIFO nodes are missing\n"); return -EINVAL; } /* * Initialize NX instance for both high and normal priority FIFOs. */ - ret = nx_coproc_init(chip_id, ct_842); + ret = nx_coproc_init(chip_id, ct_842, ct_gzip); return ret; } -- 1.8.3.1