From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 813AA3CC314; Tue, 30 Jun 2026 05:43:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782798191; cv=none; b=e/EQsL98RAC6cTfou53I9yyUwOb8yoyYzjUI5WGnmmOH6j7P7pZFZp5CCCNxPC2vDYOvUsClmGYsQDieKiWZD79L28B5ObDSzErhnU+ddqUcr1Y5MKHk1Vg2sua/aZTft9BKLzTcQs4LdQA+/NaI4qF6YEPGQlnl0YjoJU9Rlu4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782798191; c=relaxed/simple; bh=edSwDXSkrvVp2/le2kFo5JPMc3JldPLLx5OXXiDEEYA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=e8B0xhJQk5Dea382dlKa0/M1cdqqa61wxoakMNOw4jmS/KWtWs7A84PiQVXCQSvUJqoDXFPu2mC4TBDlcceAPemj3ePUOIhbdxCRb716g5jYCBUdy+Panrkffpk1Kipae+VDMjTD45bWgnesF/4dzYnAWS2wVOglaJXf655cJNU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Kb6nKmS5; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="Kb6nKmS5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A6D971F00A3A; Tue, 30 Jun 2026 05:42:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782798183; bh=rVjpD0hfi57XRFPBLRQN1tEafQimXq0PbvGegUPguzQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=Kb6nKmS5pqKqRg2oea89e+IKoay5FWwK1FgFWRJikwzeOhInp3T+EsnZUjo8MXLv7 UH9sdg/JD4x8VL1YM0bUSyBRlrC7oyOidEVIyCGUmLsnL/2xy8bctVId/uQhcLvBZ2 1ONqKlWEoYfC47m6RJEW39S4zOgXKqSg8HF0KqIgehvcCUf85rpuGm3XbCUnWTownE 6ltHFrOkITKCPlf9oI30bcZuA7c2o4ns2lAhL6xtKVlZVmGGWoGeFBSqSSB85JFztJ oqibm68A2g0RKfKKMgFhKmuKTw/WNBV+HqcBLfuyaF38g+K8uN++XPkWYKVfwDfrR2 GrrWa3i9xyGRQ== Message-ID: Date: Tue, 30 Jun 2026 07:42:53 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net-next 1/2] ehea: remove the ehea driver To: David Christensen , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Michael Ellerman , Nicholas Piggin Cc: netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org References: <20260629211343.3712775-1-drc@linux.ibm.com> <20260629211343.3712775-2-drc@linux.ibm.com> Content-Language: fr-FR From: "Christophe Leroy (CS GROUP)" In-Reply-To: <20260629211343.3712775-2-drc@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Le 29/06/2026 à 23:13, David Christensen a écrit : > [Vous ne recevez pas souvent de courriers de drc@linux.ibm.com. Découvrez pourquoi ceci est important à https://aka.ms/LearnAboutSenderIdentification ] > > The IBM eHEA (Ethernet Host Ethernet Adapter) driver has been orphaned > since April 2024 with no active maintainer. The hardware was last > supported on IBM POWER7 systems which reached end-of-support in > December 2020. The driver has received no functional updates since > October 2022, with all subsequent changes being mechanical API > migrations affecting the entire kernel tree. > > A search of lore.kernel.org for the last 24 months reveals no user > reports, no objections to the orphan status, and no maintenance > discussions indicating active hardware deployment. > > The code is preserved in git history and can be restored if a > maintainer steps forward to take ownership. > > Signed-off-by: David Christensen Reviewed-by: Christophe Leroy (CS GROUP) > --- > MAINTAINERS | 5 - > drivers/net/ethernet/ibm/Kconfig | 9 - > drivers/net/ethernet/ibm/Makefile | 1 - > drivers/net/ethernet/ibm/ehea/Makefile | 7 - > drivers/net/ethernet/ibm/ehea/ehea.h | 477 --- > drivers/net/ethernet/ibm/ehea/ehea_ethtool.c | 277 -- > drivers/net/ethernet/ibm/ehea/ehea_hw.h | 253 -- > drivers/net/ethernet/ibm/ehea/ehea_main.c | 3581 ------------------ > drivers/net/ethernet/ibm/ehea/ehea_phyp.c | 612 --- > drivers/net/ethernet/ibm/ehea/ehea_phyp.h | 433 --- > drivers/net/ethernet/ibm/ehea/ehea_qmr.c | 999 ----- > drivers/net/ethernet/ibm/ehea/ehea_qmr.h | 390 -- > 12 files changed, 7044 deletions(-) > delete mode 100644 drivers/net/ethernet/ibm/ehea/Makefile > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea.h > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_ethtool.c > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_hw.h > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_main.c > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_phyp.c > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_phyp.h > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_qmr.c > delete mode 100644 drivers/net/ethernet/ibm/ehea/ehea_qmr.h > > diff --git a/MAINTAINERS b/MAINTAINERS > index 15011f5752a9..ee4ee7b8e947 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -9498,11 +9498,6 @@ S: Orphan > W: http://aeschi.ch.eu.org/efs/ > F: fs/efs/ > > -EHEA (IBM pSeries eHEA 10Gb ethernet adapter) DRIVER > -L: netdev@vger.kernel.org > -S: Orphan > -F: drivers/net/ethernet/ibm/ehea/ > - > ELM327 CAN NETWORK DRIVER > M: Max Staudt > L: linux-can@vger.kernel.org > diff --git a/drivers/net/ethernet/ibm/Kconfig b/drivers/net/ethernet/ibm/Kconfig > index 4f4b23465c47..8e55faac2035 100644 > --- a/drivers/net/ethernet/ibm/Kconfig > +++ b/drivers/net/ethernet/ibm/Kconfig > @@ -42,15 +42,6 @@ config IBMVETH_KUNIT_TEST > > source "drivers/net/ethernet/ibm/emac/Kconfig" > > -config EHEA > - tristate "eHEA Ethernet support" > - depends on IBMEBUS && SPARSEMEM > - help > - This driver supports the IBM pSeries eHEA ethernet adapter. > - > - To compile the driver as a module, choose M here. The module > - will be called ehea. > - > config IBMVNIC > tristate "IBM Virtual NIC support" > depends on PPC_PSERIES > diff --git a/drivers/net/ethernet/ibm/Makefile b/drivers/net/ethernet/ibm/Makefile > index 1d17d0c33d4d..c7e5d891c946 100644 > --- a/drivers/net/ethernet/ibm/Makefile > +++ b/drivers/net/ethernet/ibm/Makefile > @@ -6,4 +6,3 @@ > obj-$(CONFIG_IBMVETH) += ibmveth.o > obj-$(CONFIG_IBMVNIC) += ibmvnic.o > obj-$(CONFIG_IBM_EMAC) += emac/ > -obj-$(CONFIG_EHEA) += ehea/ > diff --git a/drivers/net/ethernet/ibm/ehea/Makefile b/drivers/net/ethernet/ibm/ehea/Makefile > deleted file mode 100644 > index 9e1e5c7aafe2..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/Makefile > +++ /dev/null > @@ -1,7 +0,0 @@ > -# SPDX-License-Identifier: GPL-2.0-only > -# > -# Makefile for the eHEA ethernet device driver for IBM eServer System p > -# > -ehea-y = ehea_main.o ehea_phyp.o ehea_qmr.o ehea_ethtool.o > -obj-$(CONFIG_EHEA) += ehea.o > - > diff --git a/drivers/net/ethernet/ibm/ehea/ehea.h b/drivers/net/ethernet/ibm/ehea/ehea.h > deleted file mode 100644 > index 208c440a602b..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea.h > +++ /dev/null > @@ -1,477 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0-or-later */ > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea.h > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#ifndef __EHEA_H__ > -#define __EHEA_H__ > - > -#include > -#include > -#include > -#include > -#include > - > -#include > -#include > - > -#define DRV_NAME "ehea" > -#define DRV_VERSION "EHEA_0107" > - > -/* eHEA capability flags */ > -#define DLPAR_PORT_ADD_REM 1 > -#define DLPAR_MEM_ADD 2 > -#define DLPAR_MEM_REM 4 > -#define EHEA_CAPABILITIES (DLPAR_PORT_ADD_REM | DLPAR_MEM_ADD | DLPAR_MEM_REM) > - > -#define EHEA_MSG_DEFAULT (NETIF_MSG_LINK | NETIF_MSG_TIMER \ > - | NETIF_MSG_RX_ERR | NETIF_MSG_TX_ERR) > - > -#define EHEA_MAX_ENTRIES_RQ1 32767 > -#define EHEA_MAX_ENTRIES_RQ2 16383 > -#define EHEA_MAX_ENTRIES_RQ3 16383 > -#define EHEA_MAX_ENTRIES_SQ 32767 > -#define EHEA_MIN_ENTRIES_QP 127 > - > -#define EHEA_SMALL_QUEUES > - > -#ifdef EHEA_SMALL_QUEUES > -#define EHEA_MAX_CQE_COUNT 1023 > -#define EHEA_DEF_ENTRIES_SQ 1023 > -#define EHEA_DEF_ENTRIES_RQ1 1023 > -#define EHEA_DEF_ENTRIES_RQ2 1023 > -#define EHEA_DEF_ENTRIES_RQ3 511 > -#else > -#define EHEA_MAX_CQE_COUNT 4080 > -#define EHEA_DEF_ENTRIES_SQ 4080 > -#define EHEA_DEF_ENTRIES_RQ1 8160 > -#define EHEA_DEF_ENTRIES_RQ2 2040 > -#define EHEA_DEF_ENTRIES_RQ3 2040 > -#endif > - > -#define EHEA_MAX_ENTRIES_EQ 20 > - > -#define EHEA_SG_SQ 2 > -#define EHEA_SG_RQ1 1 > -#define EHEA_SG_RQ2 0 > -#define EHEA_SG_RQ3 0 > - > -#define EHEA_MAX_PACKET_SIZE 9022 /* for jumbo frames */ > -#define EHEA_RQ2_PKT_SIZE 2048 > -#define EHEA_L_PKT_SIZE 256 /* low latency */ > - > -/* Send completion signaling */ > - > -/* Protection Domain Identifier */ > -#define EHEA_PD_ID 0xaabcdeff > - > -#define EHEA_RQ2_THRESHOLD 1 > -#define EHEA_RQ3_THRESHOLD 4 /* use RQ3 threshold of 2048 bytes */ > - > -#define EHEA_SPEED_10G 10000 > -#define EHEA_SPEED_1G 1000 > -#define EHEA_SPEED_100M 100 > -#define EHEA_SPEED_10M 10 > -#define EHEA_SPEED_AUTONEG 0 > - > -/* Broadcast/Multicast registration types */ > -#define EHEA_BCMC_SCOPE_ALL 0x08 > -#define EHEA_BCMC_SCOPE_SINGLE 0x00 > -#define EHEA_BCMC_MULTICAST 0x04 > -#define EHEA_BCMC_BROADCAST 0x00 > -#define EHEA_BCMC_UNTAGGED 0x02 > -#define EHEA_BCMC_TAGGED 0x00 > -#define EHEA_BCMC_VLANID_ALL 0x01 > -#define EHEA_BCMC_VLANID_SINGLE 0x00 > - > -#define EHEA_CACHE_LINE 128 > - > -/* Memory Regions */ > -#define EHEA_MR_ACC_CTRL 0x00800000 > - > -#define EHEA_BUSMAP_START 0x8000000000000000ULL > -#define EHEA_INVAL_ADDR 0xFFFFFFFFFFFFFFFFULL > -#define EHEA_DIR_INDEX_SHIFT 13 /* 8k Entries in 64k block */ > -#define EHEA_TOP_INDEX_SHIFT (EHEA_DIR_INDEX_SHIFT * 2) > -#define EHEA_MAP_ENTRIES (1 << EHEA_DIR_INDEX_SHIFT) > -#define EHEA_MAP_SIZE (0x10000) /* currently fixed map size */ > -#define EHEA_INDEX_MASK (EHEA_MAP_ENTRIES - 1) > - > - > -#define EHEA_WATCH_DOG_TIMEOUT 10*HZ > - > -/* utility functions */ > - > -void ehea_dump(void *adr, int len, char *msg); > - > -#define EHEA_BMASK(pos, length) (((pos) << 16) + (length)) > - > -#define EHEA_BMASK_IBM(from, to) (((63 - to) << 16) + ((to) - (from) + 1)) > - > -#define EHEA_BMASK_SHIFTPOS(mask) (((mask) >> 16) & 0xffff) > - > -#define EHEA_BMASK_MASK(mask) \ > - (0xffffffffffffffffULL >> ((64 - (mask)) & 0xffff)) > - > -#define EHEA_BMASK_SET(mask, value) \ > - ((EHEA_BMASK_MASK(mask) & ((u64)(value))) << EHEA_BMASK_SHIFTPOS(mask)) > - > -#define EHEA_BMASK_GET(mask, value) \ > - (EHEA_BMASK_MASK(mask) & (((u64)(value)) >> EHEA_BMASK_SHIFTPOS(mask))) > - > -/* > - * Generic ehea page > - */ > -struct ehea_page { > - u8 entries[PAGE_SIZE]; > -}; > - > -/* > - * Generic queue in linux kernel virtual memory > - */ > -struct hw_queue { > - u64 current_q_offset; /* current queue entry */ > - struct ehea_page **queue_pages; /* array of pages belonging to queue */ > - u32 qe_size; /* queue entry size */ > - u32 queue_length; /* queue length allocated in bytes */ > - u32 pagesize; > - u32 toggle_state; /* toggle flag - per page */ > - u32 reserved; /* 64 bit alignment */ > -}; > - > -/* > - * For pSeries this is a 64bit memory address where > - * I/O memory is mapped into CPU address space > - */ > -struct h_epa { > - void __iomem *addr; > -}; > - > -struct h_epa_user { > - u64 addr; > -}; > - > -struct h_epas { > - struct h_epa kernel; /* kernel space accessible resource, > - set to 0 if unused */ > - struct h_epa_user user; /* user space accessible resource > - set to 0 if unused */ > -}; > - > -/* > - * Memory map data structures > - */ > -struct ehea_dir_bmap > -{ > - u64 ent[EHEA_MAP_ENTRIES]; > -}; > -struct ehea_top_bmap > -{ > - struct ehea_dir_bmap *dir[EHEA_MAP_ENTRIES]; > -}; > -struct ehea_bmap > -{ > - struct ehea_top_bmap *top[EHEA_MAP_ENTRIES]; > -}; > - > -struct ehea_qp; > -struct ehea_cq; > -struct ehea_eq; > -struct ehea_port; > -struct ehea_av; > - > -/* > - * Queue attributes passed to ehea_create_qp() > - */ > -struct ehea_qp_init_attr { > - /* input parameter */ > - u32 qp_token; /* queue token */ > - u8 low_lat_rq1; > - u8 signalingtype; /* cqe generation flag */ > - u8 rq_count; /* num of receive queues */ > - u8 eqe_gen; /* eqe generation flag */ > - u16 max_nr_send_wqes; /* max number of send wqes */ > - u16 max_nr_rwqes_rq1; /* max number of receive wqes */ > - u16 max_nr_rwqes_rq2; > - u16 max_nr_rwqes_rq3; > - u8 wqe_size_enc_sq; > - u8 wqe_size_enc_rq1; > - u8 wqe_size_enc_rq2; > - u8 wqe_size_enc_rq3; > - u8 swqe_imm_data_len; /* immediate data length for swqes */ > - u16 port_nr; > - u16 rq2_threshold; > - u16 rq3_threshold; > - u64 send_cq_handle; > - u64 recv_cq_handle; > - u64 aff_eq_handle; > - > - /* output parameter */ > - u32 qp_nr; > - u16 act_nr_send_wqes; > - u16 act_nr_rwqes_rq1; > - u16 act_nr_rwqes_rq2; > - u16 act_nr_rwqes_rq3; > - u8 act_wqe_size_enc_sq; > - u8 act_wqe_size_enc_rq1; > - u8 act_wqe_size_enc_rq2; > - u8 act_wqe_size_enc_rq3; > - u32 nr_sq_pages; > - u32 nr_rq1_pages; > - u32 nr_rq2_pages; > - u32 nr_rq3_pages; > - u32 liobn_sq; > - u32 liobn_rq1; > - u32 liobn_rq2; > - u32 liobn_rq3; > -}; > - > -/* > - * Event Queue attributes, passed as parameter > - */ > -struct ehea_eq_attr { > - u32 type; > - u32 max_nr_of_eqes; > - u8 eqe_gen; /* generate eqe flag */ > - u64 eq_handle; > - u32 act_nr_of_eqes; > - u32 nr_pages; > - u32 ist1; /* Interrupt service token */ > - u32 ist2; > - u32 ist3; > - u32 ist4; > -}; > - > - > -/* > - * Event Queue > - */ > -struct ehea_eq { > - struct ehea_adapter *adapter; > - struct hw_queue hw_queue; > - u64 fw_handle; > - struct h_epas epas; > - spinlock_t spinlock; > - struct ehea_eq_attr attr; > -}; > - > -/* > - * HEA Queues > - */ > -struct ehea_qp { > - struct ehea_adapter *adapter; > - u64 fw_handle; /* QP handle for firmware calls */ > - struct hw_queue hw_squeue; > - struct hw_queue hw_rqueue1; > - struct hw_queue hw_rqueue2; > - struct hw_queue hw_rqueue3; > - struct h_epas epas; > - struct ehea_qp_init_attr init_attr; > -}; > - > -/* > - * Completion Queue attributes > - */ > -struct ehea_cq_attr { > - /* input parameter */ > - u32 max_nr_of_cqes; > - u32 cq_token; > - u64 eq_handle; > - > - /* output parameter */ > - u32 act_nr_of_cqes; > - u32 nr_pages; > -}; > - > -/* > - * Completion Queue > - */ > -struct ehea_cq { > - struct ehea_adapter *adapter; > - u64 fw_handle; > - struct hw_queue hw_queue; > - struct h_epas epas; > - struct ehea_cq_attr attr; > -}; > - > -/* > - * Memory Region > - */ > -struct ehea_mr { > - struct ehea_adapter *adapter; > - u64 handle; > - u64 vaddr; > - u32 lkey; > -}; > - > -/* > - * Port state information > - */ > -struct port_stats { > - int poll_receive_errors; > - int queue_stopped; > - int err_tcp_cksum; > - int err_ip_cksum; > - int err_frame_crc; > -}; > - > -#define EHEA_IRQ_NAME_SIZE 20 > - > -/* > - * Queue SKB Array > - */ > -struct ehea_q_skb_arr { > - struct sk_buff **arr; /* skb array for queue */ > - int len; /* array length */ > - int index; /* array index */ > - int os_skbs; /* rq2/rq3 only: outstanding skbs */ > -}; > - > -/* > - * Port resources > - */ > -struct ehea_port_res { > - struct napi_struct napi; > - struct port_stats p_stats; > - struct ehea_mr send_mr; /* send memory region */ > - struct ehea_mr recv_mr; /* receive memory region */ > - struct ehea_port *port; > - char int_recv_name[EHEA_IRQ_NAME_SIZE]; > - char int_send_name[EHEA_IRQ_NAME_SIZE]; > - struct ehea_qp *qp; > - struct ehea_cq *send_cq; > - struct ehea_cq *recv_cq; > - struct ehea_eq *eq; > - struct ehea_q_skb_arr rq1_skba; > - struct ehea_q_skb_arr rq2_skba; > - struct ehea_q_skb_arr rq3_skba; > - struct ehea_q_skb_arr sq_skba; > - int sq_skba_size; > - int swqe_refill_th; > - atomic_t swqe_avail; > - int swqe_ll_count; > - u32 swqe_id_counter; > - u64 tx_packets; > - u64 tx_bytes; > - u64 rx_packets; > - u64 rx_bytes; > - int sq_restart_flag; > -}; > - > - > -#define EHEA_MAX_PORTS 16 > - > -#define EHEA_NUM_PORTRES_FW_HANDLES 6 /* QP handle, SendCQ handle, > - RecvCQ handle, EQ handle, > - SendMR handle, RecvMR handle */ > -#define EHEA_NUM_PORT_FW_HANDLES 1 /* EQ handle */ > -#define EHEA_NUM_ADAPTER_FW_HANDLES 2 /* MR handle, NEQ handle */ > - > -struct ehea_adapter { > - u64 handle; > - struct platform_device *ofdev; > - struct ehea_port *port[EHEA_MAX_PORTS]; > - struct ehea_eq *neq; /* notification event queue */ > - struct tasklet_struct neq_tasklet; > - struct ehea_mr mr; > - u32 pd; /* protection domain */ > - u64 max_mc_mac; /* max number of multicast mac addresses */ > - int active_ports; > - struct list_head list; > -}; > - > - > -struct ehea_mc_list { > - struct list_head list; > - u64 macaddr; > -}; > - > -/* kdump support */ > -struct ehea_fw_handle_entry { > - u64 adh; /* Adapter Handle */ > - u64 fwh; /* Firmware Handle */ > -}; > - > -struct ehea_fw_handle_array { > - struct ehea_fw_handle_entry *arr; > - int num_entries; > - struct mutex lock; > -}; > - > -struct ehea_bcmc_reg_entry { > - u64 adh; /* Adapter Handle */ > - u32 port_id; /* Logical Port Id */ > - u8 reg_type; /* Registration Type */ > - u64 macaddr; > -}; > - > -struct ehea_bcmc_reg_array { > - struct ehea_bcmc_reg_entry *arr; > - int num_entries; > - spinlock_t lock; > -}; > - > -#define EHEA_PORT_UP 1 > -#define EHEA_PORT_DOWN 0 > -#define EHEA_PHY_LINK_UP 1 > -#define EHEA_PHY_LINK_DOWN 0 > -#define EHEA_MAX_PORT_RES 16 > -struct ehea_port { > - struct ehea_adapter *adapter; /* adapter that owns this port */ > - struct net_device *netdev; > - struct rtnl_link_stats64 stats; > - struct ehea_port_res port_res[EHEA_MAX_PORT_RES]; > - struct platform_device ofdev; /* Open Firmware Device */ > - struct ehea_mc_list *mc_list; /* Multicast MAC addresses */ > - struct ehea_eq *qp_eq; > - struct work_struct reset_task; > - struct delayed_work stats_work; > - struct mutex port_lock; > - char int_aff_name[EHEA_IRQ_NAME_SIZE]; > - int allmulti; /* Indicates IFF_ALLMULTI state */ > - int promisc; /* Indicates IFF_PROMISC state */ > - int num_mcs; > - int resets; > - unsigned long flags; > - u64 mac_addr; > - u32 logical_port_id; > - u32 port_speed; > - u32 msg_enable; > - u32 sig_comp_iv; > - u32 state; > - u8 phy_link; > - u8 full_duplex; > - u8 autoneg; > - u8 num_def_qps; > - wait_queue_head_t swqe_avail_wq; > - wait_queue_head_t restart_wq; > -}; > - > -struct port_res_cfg { > - int max_entries_rcq; > - int max_entries_scq; > - int max_entries_sq; > - int max_entries_rq1; > - int max_entries_rq2; > - int max_entries_rq3; > -}; > - > -enum ehea_flag_bits { > - __EHEA_STOP_XFER, > - __EHEA_DISABLE_PORT_RESET > -}; > - > -void ehea_set_ethtool_ops(struct net_device *netdev); > -int ehea_sense_port_attr(struct ehea_port *port); > -int ehea_set_portspeed(struct ehea_port *port, u32 port_speed); > - > -#endif /* __EHEA_H__ */ > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c b/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c > deleted file mode 100644 > index 1db5b6790a41..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c > +++ /dev/null > @@ -1,277 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-or-later > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_ethtool.c > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt > - > -#include "ehea.h" > -#include "ehea_phyp.h" > - > -static int ehea_get_link_ksettings(struct net_device *dev, > - struct ethtool_link_ksettings *cmd) > -{ > - struct ehea_port *port = netdev_priv(dev); > - u32 supported, advertising; > - u32 speed; > - int ret; > - > - ret = ehea_sense_port_attr(port); > - > - if (ret) > - return ret; > - > - if (netif_carrier_ok(dev)) { > - switch (port->port_speed) { > - case EHEA_SPEED_10M: > - speed = SPEED_10; > - break; > - case EHEA_SPEED_100M: > - speed = SPEED_100; > - break; > - case EHEA_SPEED_1G: > - speed = SPEED_1000; > - break; > - case EHEA_SPEED_10G: > - speed = SPEED_10000; > - break; > - default: > - speed = -1; > - break; /* BUG */ > - } > - cmd->base.duplex = port->full_duplex == 1 ? > - DUPLEX_FULL : DUPLEX_HALF; > - } else { > - speed = SPEED_UNKNOWN; > - cmd->base.duplex = DUPLEX_UNKNOWN; > - } > - cmd->base.speed = speed; > - > - if (cmd->base.speed == SPEED_10000) { > - supported = (SUPPORTED_10000baseT_Full | SUPPORTED_FIBRE); > - advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_FIBRE); > - cmd->base.port = PORT_FIBRE; > - } else { > - supported = (SUPPORTED_1000baseT_Full | SUPPORTED_100baseT_Full > - | SUPPORTED_100baseT_Half | SUPPORTED_10baseT_Full > - | SUPPORTED_10baseT_Half | SUPPORTED_Autoneg > - | SUPPORTED_TP); > - advertising = (ADVERTISED_1000baseT_Full | ADVERTISED_Autoneg > - | ADVERTISED_TP); > - cmd->base.port = PORT_TP; > - } > - > - cmd->base.autoneg = port->autoneg == 1 ? > - AUTONEG_ENABLE : AUTONEG_DISABLE; > - > - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported, > - supported); > - ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising, > - advertising); > - > - return 0; > -} > - > -static int ehea_set_link_ksettings(struct net_device *dev, > - const struct ethtool_link_ksettings *cmd) > -{ > - struct ehea_port *port = netdev_priv(dev); > - int ret = 0; > - u32 sp; > - > - if (cmd->base.autoneg == AUTONEG_ENABLE) { > - sp = EHEA_SPEED_AUTONEG; > - goto doit; > - } > - > - switch (cmd->base.speed) { > - case SPEED_10: > - if (cmd->base.duplex == DUPLEX_FULL) > - sp = H_SPEED_10M_F; > - else > - sp = H_SPEED_10M_H; > - break; > - > - case SPEED_100: > - if (cmd->base.duplex == DUPLEX_FULL) > - sp = H_SPEED_100M_F; > - else > - sp = H_SPEED_100M_H; > - break; > - > - case SPEED_1000: > - if (cmd->base.duplex == DUPLEX_FULL) > - sp = H_SPEED_1G_F; > - else > - ret = -EINVAL; > - break; > - > - case SPEED_10000: > - if (cmd->base.duplex == DUPLEX_FULL) > - sp = H_SPEED_10G_F; > - else > - ret = -EINVAL; > - break; > - > - default: > - ret = -EINVAL; > - break; > - } > - > - if (ret) > - goto out; > -doit: > - ret = ehea_set_portspeed(port, sp); > - > - if (!ret) > - netdev_info(dev, > - "Port speed successfully set: %dMbps %s Duplex\n", > - port->port_speed, > - port->full_duplex == 1 ? "Full" : "Half"); > -out: > - return ret; > -} > - > -static int ehea_nway_reset(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - int ret; > - > - ret = ehea_set_portspeed(port, EHEA_SPEED_AUTONEG); > - > - if (!ret) > - netdev_info(port->netdev, > - "Port speed successfully set: %dMbps %s Duplex\n", > - port->port_speed, > - port->full_duplex == 1 ? "Full" : "Half"); > - return ret; > -} > - > -static void ehea_get_drvinfo(struct net_device *dev, > - struct ethtool_drvinfo *info) > -{ > - strscpy(info->driver, DRV_NAME, sizeof(info->driver)); > - strscpy(info->version, DRV_VERSION, sizeof(info->version)); > -} > - > -static u32 ehea_get_msglevel(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - return port->msg_enable; > -} > - > -static void ehea_set_msglevel(struct net_device *dev, u32 value) > -{ > - struct ehea_port *port = netdev_priv(dev); > - port->msg_enable = value; > -} > - > -static const char ehea_ethtool_stats_keys[][ETH_GSTRING_LEN] = { > - {"sig_comp_iv"}, > - {"swqe_refill_th"}, > - {"port resets"}, > - {"Receive errors"}, > - {"TCP cksum errors"}, > - {"IP cksum errors"}, > - {"Frame cksum errors"}, > - {"num SQ stopped"}, > - {"PR0 free_swqes"}, > - {"PR1 free_swqes"}, > - {"PR2 free_swqes"}, > - {"PR3 free_swqes"}, > - {"PR4 free_swqes"}, > - {"PR5 free_swqes"}, > - {"PR6 free_swqes"}, > - {"PR7 free_swqes"}, > - {"PR8 free_swqes"}, > - {"PR9 free_swqes"}, > - {"PR10 free_swqes"}, > - {"PR11 free_swqes"}, > - {"PR12 free_swqes"}, > - {"PR13 free_swqes"}, > - {"PR14 free_swqes"}, > - {"PR15 free_swqes"}, > -}; > - > -static void ehea_get_strings(struct net_device *dev, u32 stringset, u8 *data) > -{ > - if (stringset == ETH_SS_STATS) { > - memcpy(data, &ehea_ethtool_stats_keys, > - sizeof(ehea_ethtool_stats_keys)); > - } > -} > - > -static int ehea_get_sset_count(struct net_device *dev, int sset) > -{ > - switch (sset) { > - case ETH_SS_STATS: > - return ARRAY_SIZE(ehea_ethtool_stats_keys); > - default: > - return -EOPNOTSUPP; > - } > -} > - > -static void ehea_get_ethtool_stats(struct net_device *dev, > - struct ethtool_stats *stats, u64 *data) > -{ > - int i, k, tmp; > - struct ehea_port *port = netdev_priv(dev); > - > - for (i = 0; i < ehea_get_sset_count(dev, ETH_SS_STATS); i++) > - data[i] = 0; > - i = 0; > - > - data[i++] = port->sig_comp_iv; > - data[i++] = port->port_res[0].swqe_refill_th; > - data[i++] = port->resets; > - > - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) > - tmp += port->port_res[k].p_stats.poll_receive_errors; > - data[i++] = tmp; > - > - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) > - tmp += port->port_res[k].p_stats.err_tcp_cksum; > - data[i++] = tmp; > - > - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) > - tmp += port->port_res[k].p_stats.err_ip_cksum; > - data[i++] = tmp; > - > - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) > - tmp += port->port_res[k].p_stats.err_frame_crc; > - data[i++] = tmp; > - > - for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++) > - tmp += port->port_res[k].p_stats.queue_stopped; > - data[i++] = tmp; > - > - for (k = 0; k < 16; k++) > - data[i++] = atomic_read(&port->port_res[k].swqe_avail); > -} > - > -static const struct ethtool_ops ehea_ethtool_ops = { > - .get_drvinfo = ehea_get_drvinfo, > - .get_msglevel = ehea_get_msglevel, > - .set_msglevel = ehea_set_msglevel, > - .get_link = ethtool_op_get_link, > - .get_strings = ehea_get_strings, > - .get_sset_count = ehea_get_sset_count, > - .get_ethtool_stats = ehea_get_ethtool_stats, > - .nway_reset = ehea_nway_reset, /* Restart autonegotiation */ > - .get_link_ksettings = ehea_get_link_ksettings, > - .set_link_ksettings = ehea_set_link_ksettings, > -}; > - > -void ehea_set_ethtool_ops(struct net_device *netdev) > -{ > - netdev->ethtool_ops = &ehea_ethtool_ops; > -} > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_hw.h b/drivers/net/ethernet/ibm/ehea/ehea_hw.h > deleted file mode 100644 > index 590933a45d65..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_hw.h > +++ /dev/null > @@ -1,253 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0-or-later */ > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_hw.h > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#ifndef __EHEA_HW_H__ > -#define __EHEA_HW_H__ > - > -#define QPX_SQA_VALUE EHEA_BMASK_IBM(48, 63) > -#define QPX_RQ1A_VALUE EHEA_BMASK_IBM(48, 63) > -#define QPX_RQ2A_VALUE EHEA_BMASK_IBM(48, 63) > -#define QPX_RQ3A_VALUE EHEA_BMASK_IBM(48, 63) > - > -#define QPTEMM_OFFSET(x) offsetof(struct ehea_qptemm, x) > - > -struct ehea_qptemm { > - u64 qpx_hcr; > - u64 qpx_c; > - u64 qpx_herr; > - u64 qpx_aer; > - u64 qpx_sqa; > - u64 qpx_sqc; > - u64 qpx_rq1a; > - u64 qpx_rq1c; > - u64 qpx_st; > - u64 qpx_aerr; > - u64 qpx_tenure; > - u64 qpx_reserved1[(0x098 - 0x058) / 8]; > - u64 qpx_portp; > - u64 qpx_reserved2[(0x100 - 0x0A0) / 8]; > - u64 qpx_t; > - u64 qpx_sqhp; > - u64 qpx_sqptp; > - u64 qpx_reserved3[(0x140 - 0x118) / 8]; > - u64 qpx_sqwsize; > - u64 qpx_reserved4[(0x170 - 0x148) / 8]; > - u64 qpx_sqsize; > - u64 qpx_reserved5[(0x1B0 - 0x178) / 8]; > - u64 qpx_sigt; > - u64 qpx_wqecnt; > - u64 qpx_rq1hp; > - u64 qpx_rq1ptp; > - u64 qpx_rq1size; > - u64 qpx_reserved6[(0x220 - 0x1D8) / 8]; > - u64 qpx_rq1wsize; > - u64 qpx_reserved7[(0x240 - 0x228) / 8]; > - u64 qpx_pd; > - u64 qpx_scqn; > - u64 qpx_rcqn; > - u64 qpx_aeqn; > - u64 reserved49; > - u64 qpx_ram; > - u64 qpx_reserved8[(0x300 - 0x270) / 8]; > - u64 qpx_rq2a; > - u64 qpx_rq2c; > - u64 qpx_rq2hp; > - u64 qpx_rq2ptp; > - u64 qpx_rq2size; > - u64 qpx_rq2wsize; > - u64 qpx_rq2th; > - u64 qpx_rq3a; > - u64 qpx_rq3c; > - u64 qpx_rq3hp; > - u64 qpx_rq3ptp; > - u64 qpx_rq3size; > - u64 qpx_rq3wsize; > - u64 qpx_rq3th; > - u64 qpx_lpn; > - u64 qpx_reserved9[(0x400 - 0x378) / 8]; > - u64 reserved_ext[(0x500 - 0x400) / 8]; > - u64 reserved2[(0x1000 - 0x500) / 8]; > -}; > - > -#define MRx_HCR_LPARID_VALID EHEA_BMASK_IBM(0, 0) > - > -#define MRMWMM_OFFSET(x) offsetof(struct ehea_mrmwmm, x) > - > -struct ehea_mrmwmm { > - u64 mrx_hcr; > - u64 mrx_c; > - u64 mrx_herr; > - u64 mrx_aer; > - u64 mrx_pp; > - u64 reserved1; > - u64 reserved2; > - u64 reserved3; > - u64 reserved4[(0x200 - 0x40) / 8]; > - u64 mrx_ctl[64]; > -}; > - > -#define QPEDMM_OFFSET(x) offsetof(struct ehea_qpedmm, x) > - > -struct ehea_qpedmm { > - > - u64 reserved0[(0x400) / 8]; > - u64 qpedx_phh; > - u64 qpedx_ppsgp; > - u64 qpedx_ppsgu; > - u64 qpedx_ppdgp; > - u64 qpedx_ppdgu; > - u64 qpedx_aph; > - u64 qpedx_apsgp; > - u64 qpedx_apsgu; > - u64 qpedx_apdgp; > - u64 qpedx_apdgu; > - u64 qpedx_apav; > - u64 qpedx_apsav; > - u64 qpedx_hcr; > - u64 reserved1[4]; > - u64 qpedx_rrl0; > - u64 qpedx_rrrkey0; > - u64 qpedx_rrva0; > - u64 reserved2; > - u64 qpedx_rrl1; > - u64 qpedx_rrrkey1; > - u64 qpedx_rrva1; > - u64 reserved3; > - u64 qpedx_rrl2; > - u64 qpedx_rrrkey2; > - u64 qpedx_rrva2; > - u64 reserved4; > - u64 qpedx_rrl3; > - u64 qpedx_rrrkey3; > - u64 qpedx_rrva3; > -}; > - > -#define CQX_FECADDER EHEA_BMASK_IBM(32, 63) > -#define CQX_FEC_CQE_CNT EHEA_BMASK_IBM(32, 63) > -#define CQX_N1_GENERATE_COMP_EVENT EHEA_BMASK_IBM(0, 0) > -#define CQX_EP_EVENT_PENDING EHEA_BMASK_IBM(0, 0) > - > -#define CQTEMM_OFFSET(x) offsetof(struct ehea_cqtemm, x) > - > -struct ehea_cqtemm { > - u64 cqx_hcr; > - u64 cqx_c; > - u64 cqx_herr; > - u64 cqx_aer; > - u64 cqx_ptp; > - u64 cqx_tp; > - u64 cqx_fec; > - u64 cqx_feca; > - u64 cqx_ep; > - u64 cqx_eq; > - u64 reserved1; > - u64 cqx_n0; > - u64 cqx_n1; > - u64 reserved2[(0x1000 - 0x60) / 8]; > -}; > - > -#define EQTEMM_OFFSET(x) offsetof(struct ehea_eqtemm, x) > - > -struct ehea_eqtemm { > - u64 eqx_hcr; > - u64 eqx_c; > - u64 eqx_herr; > - u64 eqx_aer; > - u64 eqx_ptp; > - u64 eqx_tp; > - u64 eqx_ssba; > - u64 eqx_psba; > - u64 eqx_cec; > - u64 eqx_meql; > - u64 eqx_xisbi; > - u64 eqx_xisc; > - u64 eqx_it; > -}; > - > -/* > - * These access functions will be changed when the dissuccsion about > - * the new access methods for POWER has settled. > - */ > - > -static inline u64 epa_load(struct h_epa epa, u32 offset) > -{ > - return __raw_readq((void __iomem *)(epa.addr + offset)); > -} > - > -static inline void epa_store(struct h_epa epa, u32 offset, u64 value) > -{ > - __raw_writeq(value, (void __iomem *)(epa.addr + offset)); > - epa_load(epa, offset); /* synchronize explicitly to eHEA */ > -} > - > -static inline void epa_store_acc(struct h_epa epa, u32 offset, u64 value) > -{ > - __raw_writeq(value, (void __iomem *)(epa.addr + offset)); > -} > - > -#define epa_store_cq(epa, offset, value)\ > - epa_store(epa, CQTEMM_OFFSET(offset), value) > -#define epa_load_cq(epa, offset)\ > - epa_load(epa, CQTEMM_OFFSET(offset)) > - > -static inline void ehea_update_sqa(struct ehea_qp *qp, u16 nr_wqes) > -{ > - struct h_epa epa = qp->epas.kernel; > - epa_store_acc(epa, QPTEMM_OFFSET(qpx_sqa), > - EHEA_BMASK_SET(QPX_SQA_VALUE, nr_wqes)); > -} > - > -static inline void ehea_update_rq3a(struct ehea_qp *qp, u16 nr_wqes) > -{ > - struct h_epa epa = qp->epas.kernel; > - epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq3a), > - EHEA_BMASK_SET(QPX_RQ1A_VALUE, nr_wqes)); > -} > - > -static inline void ehea_update_rq2a(struct ehea_qp *qp, u16 nr_wqes) > -{ > - struct h_epa epa = qp->epas.kernel; > - epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq2a), > - EHEA_BMASK_SET(QPX_RQ2A_VALUE, nr_wqes)); > -} > - > -static inline void ehea_update_rq1a(struct ehea_qp *qp, u16 nr_wqes) > -{ > - struct h_epa epa = qp->epas.kernel; > - epa_store_acc(epa, QPTEMM_OFFSET(qpx_rq1a), > - EHEA_BMASK_SET(QPX_RQ3A_VALUE, nr_wqes)); > -} > - > -static inline void ehea_update_feca(struct ehea_cq *cq, u32 nr_cqes) > -{ > - struct h_epa epa = cq->epas.kernel; > - epa_store_acc(epa, CQTEMM_OFFSET(cqx_feca), > - EHEA_BMASK_SET(CQX_FECADDER, nr_cqes)); > -} > - > -static inline void ehea_reset_cq_n1(struct ehea_cq *cq) > -{ > - struct h_epa epa = cq->epas.kernel; > - epa_store_cq(epa, cqx_n1, > - EHEA_BMASK_SET(CQX_N1_GENERATE_COMP_EVENT, 1)); > -} > - > -static inline void ehea_reset_cq_ep(struct ehea_cq *my_cq) > -{ > - struct h_epa epa = my_cq->epas.kernel; > - epa_store_acc(epa, CQTEMM_OFFSET(cqx_ep), > - EHEA_BMASK_SET(CQX_EP_EVENT_PENDING, 0)); > -} > - > -#endif /* __EHEA_HW_H__ */ > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_main.c b/drivers/net/ethernet/ibm/ehea/ehea_main.c > deleted file mode 100644 > index bfc8699a05b9..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_main.c > +++ /dev/null > @@ -1,3581 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-or-later > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_main.c > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt > - > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > -#include > - > -#include > - > -#include "ehea.h" > -#include "ehea_qmr.h" > -#include "ehea_phyp.h" > - > - > -MODULE_LICENSE("GPL"); > -MODULE_AUTHOR("Christoph Raisch "); > -MODULE_DESCRIPTION("IBM eServer HEA Driver"); > -MODULE_VERSION(DRV_VERSION); > - > - > -static int msg_level = -1; > -static int rq1_entries = EHEA_DEF_ENTRIES_RQ1; > -static int rq2_entries = EHEA_DEF_ENTRIES_RQ2; > -static int rq3_entries = EHEA_DEF_ENTRIES_RQ3; > -static int sq_entries = EHEA_DEF_ENTRIES_SQ; > -static int use_mcs = 1; > -static int prop_carrier_state; > - > -module_param(msg_level, int, 0); > -module_param(rq1_entries, int, 0); > -module_param(rq2_entries, int, 0); > -module_param(rq3_entries, int, 0); > -module_param(sq_entries, int, 0); > -module_param(prop_carrier_state, int, 0); > -module_param(use_mcs, int, 0); > - > -MODULE_PARM_DESC(msg_level, "msg_level"); > -MODULE_PARM_DESC(prop_carrier_state, "Propagate carrier state of physical " > - "port to stack. 1:yes, 0:no. Default = 0 "); > -MODULE_PARM_DESC(rq3_entries, "Number of entries for Receive Queue 3 " > - "[2^x - 1], x = [7..14]. Default = " > - __MODULE_STRING(EHEA_DEF_ENTRIES_RQ3) ")"); > -MODULE_PARM_DESC(rq2_entries, "Number of entries for Receive Queue 2 " > - "[2^x - 1], x = [7..14]. Default = " > - __MODULE_STRING(EHEA_DEF_ENTRIES_RQ2) ")"); > -MODULE_PARM_DESC(rq1_entries, "Number of entries for Receive Queue 1 " > - "[2^x - 1], x = [7..14]. Default = " > - __MODULE_STRING(EHEA_DEF_ENTRIES_RQ1) ")"); > -MODULE_PARM_DESC(sq_entries, " Number of entries for the Send Queue " > - "[2^x - 1], x = [7..14]. Default = " > - __MODULE_STRING(EHEA_DEF_ENTRIES_SQ) ")"); > -MODULE_PARM_DESC(use_mcs, " Multiple receive queues, 1: enable, 0: disable, " > - "Default = 1"); > - > -static int port_name_cnt; > -static LIST_HEAD(adapter_list); > -static unsigned long ehea_driver_flags; > -static DEFINE_MUTEX(dlpar_mem_lock); > -static struct ehea_fw_handle_array ehea_fw_handles; > -static struct ehea_bcmc_reg_array ehea_bcmc_regs; > - > - > -static int ehea_probe_adapter(struct platform_device *dev); > - > -static void ehea_remove(struct platform_device *dev); > - > -static const struct of_device_id ehea_module_device_table[] = { > - { > - .name = "lhea", > - .compatible = "IBM,lhea", > - }, > - { > - .type = "network", > - .compatible = "IBM,lhea-ethernet", > - }, > - {}, > -}; > -MODULE_DEVICE_TABLE(of, ehea_module_device_table); > - > -static const struct of_device_id ehea_device_table[] = { > - { > - .name = "lhea", > - .compatible = "IBM,lhea", > - }, > - {}, > -}; > -MODULE_DEVICE_TABLE(of, ehea_device_table); > - > -static struct platform_driver ehea_driver = { > - .driver = { > - .name = "ehea", > - .owner = THIS_MODULE, > - .of_match_table = ehea_device_table, > - }, > - .probe = ehea_probe_adapter, > - .remove = ehea_remove, > -}; > - > -void ehea_dump(void *adr, int len, char *msg) > -{ > - int x; > - unsigned char *deb = adr; > - for (x = 0; x < len; x += 16) { > - pr_info("%s adr=%p ofs=%04x %016llx %016llx\n", > - msg, deb, x, *((u64 *)&deb[0]), *((u64 *)&deb[8])); > - deb += 16; > - } > -} > - > -static void ehea_schedule_port_reset(struct ehea_port *port) > -{ > - if (!test_bit(__EHEA_DISABLE_PORT_RESET, &port->flags)) > - schedule_work(&port->reset_task); > -} > - > -static void ehea_update_firmware_handles(void) > -{ > - struct ehea_fw_handle_entry *arr = NULL; > - struct ehea_adapter *adapter; > - int num_adapters = 0; > - int num_ports = 0; > - int num_portres = 0; > - int i = 0; > - int num_fw_handles, k, l; > - > - /* Determine number of handles */ > - mutex_lock(&ehea_fw_handles.lock); > - > - list_for_each_entry(adapter, &adapter_list, list) { > - num_adapters++; > - > - for (k = 0; k < EHEA_MAX_PORTS; k++) { > - struct ehea_port *port = adapter->port[k]; > - > - if (!port || (port->state != EHEA_PORT_UP)) > - continue; > - > - num_ports++; > - num_portres += port->num_def_qps; > - } > - } > - > - num_fw_handles = num_adapters * EHEA_NUM_ADAPTER_FW_HANDLES + > - num_ports * EHEA_NUM_PORT_FW_HANDLES + > - num_portres * EHEA_NUM_PORTRES_FW_HANDLES; > - > - if (num_fw_handles) { > - arr = kzalloc_objs(*arr, num_fw_handles); > - if (!arr) > - goto out; /* Keep the existing array */ > - } else > - goto out_update; > - > - list_for_each_entry(adapter, &adapter_list, list) { > - if (num_adapters == 0) > - break; > - > - for (k = 0; k < EHEA_MAX_PORTS; k++) { > - struct ehea_port *port = adapter->port[k]; > - > - if (!port || (port->state != EHEA_PORT_UP) || > - (num_ports == 0)) > - continue; > - > - for (l = 0; l < port->num_def_qps; l++) { > - struct ehea_port_res *pr = &port->port_res[l]; > - > - arr[i].adh = adapter->handle; > - arr[i++].fwh = pr->qp->fw_handle; > - arr[i].adh = adapter->handle; > - arr[i++].fwh = pr->send_cq->fw_handle; > - arr[i].adh = adapter->handle; > - arr[i++].fwh = pr->recv_cq->fw_handle; > - arr[i].adh = adapter->handle; > - arr[i++].fwh = pr->eq->fw_handle; > - arr[i].adh = adapter->handle; > - arr[i++].fwh = pr->send_mr.handle; > - arr[i].adh = adapter->handle; > - arr[i++].fwh = pr->recv_mr.handle; > - } > - arr[i].adh = adapter->handle; > - arr[i++].fwh = port->qp_eq->fw_handle; > - num_ports--; > - } > - > - arr[i].adh = adapter->handle; > - arr[i++].fwh = adapter->neq->fw_handle; > - > - if (adapter->mr.handle) { > - arr[i].adh = adapter->handle; > - arr[i++].fwh = adapter->mr.handle; > - } > - num_adapters--; > - } > - > -out_update: > - kfree(ehea_fw_handles.arr); > - ehea_fw_handles.arr = arr; > - ehea_fw_handles.num_entries = i; > -out: > - mutex_unlock(&ehea_fw_handles.lock); > -} > - > -static void ehea_update_bcmc_registrations(void) > -{ > - unsigned long flags; > - struct ehea_bcmc_reg_entry *arr = NULL; > - struct ehea_adapter *adapter; > - struct ehea_mc_list *mc_entry; > - int num_registrations = 0; > - int i = 0; > - int k; > - > - spin_lock_irqsave(&ehea_bcmc_regs.lock, flags); > - > - /* Determine number of registrations */ > - list_for_each_entry(adapter, &adapter_list, list) > - for (k = 0; k < EHEA_MAX_PORTS; k++) { > - struct ehea_port *port = adapter->port[k]; > - > - if (!port || (port->state != EHEA_PORT_UP)) > - continue; > - > - num_registrations += 2; /* Broadcast registrations */ > - > - list_for_each_entry(mc_entry, &port->mc_list->list,list) > - num_registrations += 2; > - } > - > - if (num_registrations) { > - arr = kzalloc_objs(*arr, num_registrations, GFP_ATOMIC); > - if (!arr) > - goto out; /* Keep the existing array */ > - } else > - goto out_update; > - > - list_for_each_entry(adapter, &adapter_list, list) { > - for (k = 0; k < EHEA_MAX_PORTS; k++) { > - struct ehea_port *port = adapter->port[k]; > - > - if (!port || (port->state != EHEA_PORT_UP)) > - continue; > - > - if (num_registrations == 0) > - goto out_update; > - > - arr[i].adh = adapter->handle; > - arr[i].port_id = port->logical_port_id; > - arr[i].reg_type = EHEA_BCMC_BROADCAST | > - EHEA_BCMC_UNTAGGED; > - arr[i++].macaddr = port->mac_addr; > - > - arr[i].adh = adapter->handle; > - arr[i].port_id = port->logical_port_id; > - arr[i].reg_type = EHEA_BCMC_BROADCAST | > - EHEA_BCMC_VLANID_ALL; > - arr[i++].macaddr = port->mac_addr; > - num_registrations -= 2; > - > - list_for_each_entry(mc_entry, > - &port->mc_list->list, list) { > - if (num_registrations == 0) > - goto out_update; > - > - arr[i].adh = adapter->handle; > - arr[i].port_id = port->logical_port_id; > - arr[i].reg_type = EHEA_BCMC_MULTICAST | > - EHEA_BCMC_UNTAGGED; > - if (mc_entry->macaddr == 0) > - arr[i].reg_type |= EHEA_BCMC_SCOPE_ALL; > - arr[i++].macaddr = mc_entry->macaddr; > - > - arr[i].adh = adapter->handle; > - arr[i].port_id = port->logical_port_id; > - arr[i].reg_type = EHEA_BCMC_MULTICAST | > - EHEA_BCMC_VLANID_ALL; > - if (mc_entry->macaddr == 0) > - arr[i].reg_type |= EHEA_BCMC_SCOPE_ALL; > - arr[i++].macaddr = mc_entry->macaddr; > - num_registrations -= 2; > - } > - } > - } > - > -out_update: > - kfree(ehea_bcmc_regs.arr); > - ehea_bcmc_regs.arr = arr; > - ehea_bcmc_regs.num_entries = i; > -out: > - spin_unlock_irqrestore(&ehea_bcmc_regs.lock, flags); > -} > - > -static void ehea_get_stats64(struct net_device *dev, > - struct rtnl_link_stats64 *stats) > -{ > - struct ehea_port *port = netdev_priv(dev); > - u64 rx_packets = 0, tx_packets = 0, rx_bytes = 0, tx_bytes = 0; > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) { > - rx_packets += port->port_res[i].rx_packets; > - rx_bytes += port->port_res[i].rx_bytes; > - } > - > - for (i = 0; i < port->num_def_qps; i++) { > - tx_packets += port->port_res[i].tx_packets; > - tx_bytes += port->port_res[i].tx_bytes; > - } > - > - stats->tx_packets = tx_packets; > - stats->rx_bytes = rx_bytes; > - stats->tx_bytes = tx_bytes; > - stats->rx_packets = rx_packets; > - > - stats->multicast = port->stats.multicast; > - stats->rx_errors = port->stats.rx_errors; > -} > - > -static void ehea_update_stats(struct work_struct *work) > -{ > - struct ehea_port *port = > - container_of(work, struct ehea_port, stats_work.work); > - struct net_device *dev = port->netdev; > - struct rtnl_link_stats64 *stats = &port->stats; > - struct hcp_ehea_port_cb2 *cb2; > - u64 hret; > - > - cb2 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb2) { > - netdev_err(dev, "No mem for cb2. Some interface statistics were not updated\n"); > - goto resched; > - } > - > - hret = ehea_h_query_ehea_port(port->adapter->handle, > - port->logical_port_id, > - H_PORT_CB2, H_PORT_CB2_ALL, cb2); > - if (hret != H_SUCCESS) { > - netdev_err(dev, "query_ehea_port failed\n"); > - goto out_herr; > - } > - > - if (netif_msg_hw(port)) > - ehea_dump(cb2, sizeof(*cb2), "net_device_stats"); > - > - stats->multicast = cb2->rxmcp; > - stats->rx_errors = cb2->rxuerr; > - > -out_herr: > - free_page((unsigned long)cb2); > -resched: > - schedule_delayed_work(&port->stats_work, > - round_jiffies_relative(msecs_to_jiffies(1000))); > -} > - > -static void ehea_refill_rq1(struct ehea_port_res *pr, int index, int nr_of_wqes) > -{ > - struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr; > - struct net_device *dev = pr->port->netdev; > - int max_index_mask = pr->rq1_skba.len - 1; > - int fill_wqes = pr->rq1_skba.os_skbs + nr_of_wqes; > - int adder = 0; > - int i; > - > - pr->rq1_skba.os_skbs = 0; > - > - if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) { > - if (nr_of_wqes > 0) > - pr->rq1_skba.index = index; > - pr->rq1_skba.os_skbs = fill_wqes; > - return; > - } > - > - for (i = 0; i < fill_wqes; i++) { > - if (!skb_arr_rq1[index]) { > - skb_arr_rq1[index] = netdev_alloc_skb(dev, > - EHEA_L_PKT_SIZE); > - if (!skb_arr_rq1[index]) { > - pr->rq1_skba.os_skbs = fill_wqes - i; > - break; > - } > - } > - index--; > - index &= max_index_mask; > - adder++; > - } > - > - if (adder == 0) > - return; > - > - /* Ring doorbell */ > - ehea_update_rq1a(pr->qp, adder); > -} > - > -static void ehea_init_fill_rq1(struct ehea_port_res *pr, int nr_rq1a) > -{ > - struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr; > - struct net_device *dev = pr->port->netdev; > - int i; > - > - if (nr_rq1a > pr->rq1_skba.len) { > - netdev_err(dev, "NR_RQ1A bigger than skb array len\n"); > - return; > - } > - > - for (i = 0; i < nr_rq1a; i++) { > - skb_arr_rq1[i] = netdev_alloc_skb(dev, EHEA_L_PKT_SIZE); > - if (!skb_arr_rq1[i]) > - break; > - } > - /* Ring doorbell */ > - ehea_update_rq1a(pr->qp, i - 1); > -} > - > -static int ehea_refill_rq_def(struct ehea_port_res *pr, > - struct ehea_q_skb_arr *q_skba, int rq_nr, > - int num_wqes, int wqe_type, int packet_size) > -{ > - struct net_device *dev = pr->port->netdev; > - struct ehea_qp *qp = pr->qp; > - struct sk_buff **skb_arr = q_skba->arr; > - struct ehea_rwqe *rwqe; > - int i, index, max_index_mask, fill_wqes; > - int adder = 0; > - int ret = 0; > - > - fill_wqes = q_skba->os_skbs + num_wqes; > - q_skba->os_skbs = 0; > - > - if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) { > - q_skba->os_skbs = fill_wqes; > - return ret; > - } > - > - index = q_skba->index; > - max_index_mask = q_skba->len - 1; > - for (i = 0; i < fill_wqes; i++) { > - u64 tmp_addr; > - struct sk_buff *skb; > - > - skb = netdev_alloc_skb_ip_align(dev, packet_size); > - if (!skb) { > - q_skba->os_skbs = fill_wqes - i; > - if (q_skba->os_skbs == q_skba->len - 2) { > - netdev_info(pr->port->netdev, > - "rq%i ran dry - no mem for skb\n", > - rq_nr); > - ret = -ENOMEM; > - } > - break; > - } > - > - skb_arr[index] = skb; > - tmp_addr = ehea_map_vaddr(skb->data); > - if (tmp_addr == -1) { > - dev_consume_skb_any(skb); > - q_skba->os_skbs = fill_wqes - i; > - ret = 0; > - break; > - } > - > - rwqe = ehea_get_next_rwqe(qp, rq_nr); > - rwqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, wqe_type) > - | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, index); > - rwqe->sg_list[0].l_key = pr->recv_mr.lkey; > - rwqe->sg_list[0].vaddr = tmp_addr; > - rwqe->sg_list[0].len = packet_size; > - rwqe->data_segments = 1; > - > - index++; > - index &= max_index_mask; > - adder++; > - } > - > - q_skba->index = index; > - if (adder == 0) > - goto out; > - > - /* Ring doorbell */ > - iosync(); > - if (rq_nr == 2) > - ehea_update_rq2a(pr->qp, adder); > - else > - ehea_update_rq3a(pr->qp, adder); > -out: > - return ret; > -} > - > - > -static int ehea_refill_rq2(struct ehea_port_res *pr, int nr_of_wqes) > -{ > - return ehea_refill_rq_def(pr, &pr->rq2_skba, 2, > - nr_of_wqes, EHEA_RWQE2_TYPE, > - EHEA_RQ2_PKT_SIZE); > -} > - > - > -static int ehea_refill_rq3(struct ehea_port_res *pr, int nr_of_wqes) > -{ > - return ehea_refill_rq_def(pr, &pr->rq3_skba, 3, > - nr_of_wqes, EHEA_RWQE3_TYPE, > - EHEA_MAX_PACKET_SIZE); > -} > - > -static inline int ehea_check_cqe(struct ehea_cqe *cqe, int *rq_num) > -{ > - *rq_num = (cqe->type & EHEA_CQE_TYPE_RQ) >> 5; > - if ((cqe->status & EHEA_CQE_STAT_ERR_MASK) == 0) > - return 0; > - if (((cqe->status & EHEA_CQE_STAT_ERR_TCP) != 0) && > - (cqe->header_length == 0)) > - return 0; > - return -EINVAL; > -} > - > -static inline void ehea_fill_skb(struct net_device *dev, > - struct sk_buff *skb, struct ehea_cqe *cqe, > - struct ehea_port_res *pr) > -{ > - int length = cqe->num_bytes_transfered - 4; /*remove CRC */ > - > - skb_put(skb, length); > - skb->protocol = eth_type_trans(skb, dev); > - > - /* The packet was not an IPV4 packet so a complemented checksum was > - calculated. The value is found in the Internet Checksum field. */ > - if (cqe->status & EHEA_CQE_BLIND_CKSUM) { > - skb->ip_summed = CHECKSUM_COMPLETE; > - skb->csum = csum_unfold(~cqe->inet_checksum_value); > - } else > - skb->ip_summed = CHECKSUM_UNNECESSARY; > - > - skb_record_rx_queue(skb, pr - &pr->port->port_res[0]); > -} > - > -static inline struct sk_buff *get_skb_by_index(struct sk_buff **skb_array, > - int arr_len, > - struct ehea_cqe *cqe) > -{ > - int skb_index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id); > - struct sk_buff *skb; > - void *pref; > - int x; > - > - x = skb_index + 1; > - x &= (arr_len - 1); > - > - pref = skb_array[x]; > - if (pref) { > - prefetchw(pref); > - prefetchw(pref + EHEA_CACHE_LINE); > - > - pref = (skb_array[x]->data); > - prefetch(pref); > - prefetch(pref + EHEA_CACHE_LINE); > - prefetch(pref + EHEA_CACHE_LINE * 2); > - prefetch(pref + EHEA_CACHE_LINE * 3); > - } > - > - skb = skb_array[skb_index]; > - skb_array[skb_index] = NULL; > - return skb; > -} > - > -static inline struct sk_buff *get_skb_by_index_ll(struct sk_buff **skb_array, > - int arr_len, int wqe_index) > -{ > - struct sk_buff *skb; > - void *pref; > - int x; > - > - x = wqe_index + 1; > - x &= (arr_len - 1); > - > - pref = skb_array[x]; > - if (pref) { > - prefetchw(pref); > - prefetchw(pref + EHEA_CACHE_LINE); > - > - pref = (skb_array[x]->data); > - prefetchw(pref); > - prefetchw(pref + EHEA_CACHE_LINE); > - } > - > - skb = skb_array[wqe_index]; > - skb_array[wqe_index] = NULL; > - return skb; > -} > - > -static int ehea_treat_poll_error(struct ehea_port_res *pr, int rq, > - struct ehea_cqe *cqe, int *processed_rq2, > - int *processed_rq3) > -{ > - struct sk_buff *skb; > - > - if (cqe->status & EHEA_CQE_STAT_ERR_TCP) > - pr->p_stats.err_tcp_cksum++; > - if (cqe->status & EHEA_CQE_STAT_ERR_IP) > - pr->p_stats.err_ip_cksum++; > - if (cqe->status & EHEA_CQE_STAT_ERR_CRC) > - pr->p_stats.err_frame_crc++; > - > - if (rq == 2) { > - *processed_rq2 += 1; > - skb = get_skb_by_index(pr->rq2_skba.arr, pr->rq2_skba.len, cqe); > - dev_kfree_skb(skb); > - } else if (rq == 3) { > - *processed_rq3 += 1; > - skb = get_skb_by_index(pr->rq3_skba.arr, pr->rq3_skba.len, cqe); > - dev_kfree_skb(skb); > - } > - > - if (cqe->status & EHEA_CQE_STAT_FAT_ERR_MASK) { > - if (netif_msg_rx_err(pr->port)) { > - pr_err("Critical receive error for QP %d. Resetting port.\n", > - pr->qp->init_attr.qp_nr); > - ehea_dump(cqe, sizeof(*cqe), "CQE"); > - } > - ehea_schedule_port_reset(pr->port); > - return 1; > - } > - > - return 0; > -} > - > -static int ehea_proc_rwqes(struct net_device *dev, > - struct ehea_port_res *pr, > - int budget) > -{ > - struct ehea_port *port = pr->port; > - struct ehea_qp *qp = pr->qp; > - struct ehea_cqe *cqe; > - struct sk_buff *skb; > - struct sk_buff **skb_arr_rq1 = pr->rq1_skba.arr; > - struct sk_buff **skb_arr_rq2 = pr->rq2_skba.arr; > - struct sk_buff **skb_arr_rq3 = pr->rq3_skba.arr; > - int skb_arr_rq1_len = pr->rq1_skba.len; > - int skb_arr_rq2_len = pr->rq2_skba.len; > - int skb_arr_rq3_len = pr->rq3_skba.len; > - int processed, processed_rq1, processed_rq2, processed_rq3; > - u64 processed_bytes = 0; > - int wqe_index, last_wqe_index, rq, port_reset; > - > - processed = processed_rq1 = processed_rq2 = processed_rq3 = 0; > - last_wqe_index = 0; > - > - cqe = ehea_poll_rq1(qp, &wqe_index); > - while ((processed < budget) && cqe) { > - ehea_inc_rq1(qp); > - processed_rq1++; > - processed++; > - if (netif_msg_rx_status(port)) > - ehea_dump(cqe, sizeof(*cqe), "CQE"); > - > - last_wqe_index = wqe_index; > - rmb(); > - if (!ehea_check_cqe(cqe, &rq)) { > - if (rq == 1) { > - /* LL RQ1 */ > - skb = get_skb_by_index_ll(skb_arr_rq1, > - skb_arr_rq1_len, > - wqe_index); > - if (unlikely(!skb)) { > - netif_info(port, rx_err, dev, > - "LL rq1: skb=NULL\n"); > - > - skb = netdev_alloc_skb(dev, > - EHEA_L_PKT_SIZE); > - if (!skb) > - break; > - } > - skb_copy_to_linear_data(skb, ((char *)cqe) + 64, > - cqe->num_bytes_transfered - 4); > - ehea_fill_skb(dev, skb, cqe, pr); > - } else if (rq == 2) { > - /* RQ2 */ > - skb = get_skb_by_index(skb_arr_rq2, > - skb_arr_rq2_len, cqe); > - if (unlikely(!skb)) { > - netif_err(port, rx_err, dev, > - "rq2: skb=NULL\n"); > - break; > - } > - ehea_fill_skb(dev, skb, cqe, pr); > - processed_rq2++; > - } else { > - /* RQ3 */ > - skb = get_skb_by_index(skb_arr_rq3, > - skb_arr_rq3_len, cqe); > - if (unlikely(!skb)) { > - netif_err(port, rx_err, dev, > - "rq3: skb=NULL\n"); > - break; > - } > - ehea_fill_skb(dev, skb, cqe, pr); > - processed_rq3++; > - } > - > - processed_bytes += skb->len; > - > - if (cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) > - __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), > - cqe->vlan_tag); > - > - napi_gro_receive(&pr->napi, skb); > - } else { > - pr->p_stats.poll_receive_errors++; > - port_reset = ehea_treat_poll_error(pr, rq, cqe, > - &processed_rq2, > - &processed_rq3); > - if (port_reset) > - break; > - } > - cqe = ehea_poll_rq1(qp, &wqe_index); > - } > - > - pr->rx_packets += processed; > - pr->rx_bytes += processed_bytes; > - > - ehea_refill_rq1(pr, last_wqe_index, processed_rq1); > - ehea_refill_rq2(pr, processed_rq2); > - ehea_refill_rq3(pr, processed_rq3); > - > - return processed; > -} > - > -#define SWQE_RESTART_CHECK 0xdeadbeaff00d0000ull > - > -static void reset_sq_restart_flag(struct ehea_port *port) > -{ > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) { > - struct ehea_port_res *pr = &port->port_res[i]; > - pr->sq_restart_flag = 0; > - } > - wake_up(&port->restart_wq); > -} > - > -static void check_sqs(struct ehea_port *port) > -{ > - struct ehea_swqe *swqe; > - int swqe_index; > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) { > - struct ehea_port_res *pr = &port->port_res[i]; > - int ret; > - swqe = ehea_get_swqe(pr->qp, &swqe_index); > - memset(swqe, 0, SWQE_HEADER_SIZE); > - atomic_dec(&pr->swqe_avail); > - > - swqe->tx_control |= EHEA_SWQE_PURGE; > - swqe->wr_id = SWQE_RESTART_CHECK; > - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; > - swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT; > - swqe->immediate_data_length = 80; > - > - ehea_post_swqe(pr->qp, swqe); > - > - ret = wait_event_timeout(port->restart_wq, > - pr->sq_restart_flag == 0, > - msecs_to_jiffies(100)); > - > - if (!ret) { > - pr_err("HW/SW queues out of sync\n"); > - ehea_schedule_port_reset(pr->port); > - return; > - } > - } > -} > - > - > -static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota) > -{ > - struct sk_buff *skb; > - struct ehea_cq *send_cq = pr->send_cq; > - struct ehea_cqe *cqe; > - int quota = my_quota; > - int cqe_counter = 0; > - int swqe_av = 0; > - int index; > - struct netdev_queue *txq = netdev_get_tx_queue(pr->port->netdev, > - pr - &pr->port->port_res[0]); > - > - cqe = ehea_poll_cq(send_cq); > - while (cqe && (quota > 0)) { > - ehea_inc_cq(send_cq); > - > - cqe_counter++; > - rmb(); > - > - if (cqe->wr_id == SWQE_RESTART_CHECK) { > - pr->sq_restart_flag = 1; > - swqe_av++; > - break; > - } > - > - if (cqe->status & EHEA_CQE_STAT_ERR_MASK) { > - pr_err("Bad send completion status=0x%04X\n", > - cqe->status); > - > - if (netif_msg_tx_err(pr->port)) > - ehea_dump(cqe, sizeof(*cqe), "Send CQE"); > - > - if (cqe->status & EHEA_CQE_STAT_RESET_MASK) { > - pr_err("Resetting port\n"); > - ehea_schedule_port_reset(pr->port); > - break; > - } > - } > - > - if (netif_msg_tx_done(pr->port)) > - ehea_dump(cqe, sizeof(*cqe), "CQE"); > - > - if (likely(EHEA_BMASK_GET(EHEA_WR_ID_TYPE, cqe->wr_id) > - == EHEA_SWQE2_TYPE)) { > - > - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, cqe->wr_id); > - skb = pr->sq_skba.arr[index]; > - dev_consume_skb_any(skb); > - pr->sq_skba.arr[index] = NULL; > - } > - > - swqe_av += EHEA_BMASK_GET(EHEA_WR_ID_REFILL, cqe->wr_id); > - quota--; > - > - cqe = ehea_poll_cq(send_cq); > - } > - > - ehea_update_feca(send_cq, cqe_counter); > - atomic_add(swqe_av, &pr->swqe_avail); > - > - if (unlikely(netif_tx_queue_stopped(txq) && > - (atomic_read(&pr->swqe_avail) >= pr->swqe_refill_th))) { > - __netif_tx_lock(txq, smp_processor_id()); > - if (netif_tx_queue_stopped(txq) && > - (atomic_read(&pr->swqe_avail) >= pr->swqe_refill_th)) > - netif_tx_wake_queue(txq); > - __netif_tx_unlock(txq); > - } > - > - wake_up(&pr->port->swqe_avail_wq); > - > - return cqe; > -} > - > -#define EHEA_POLL_MAX_CQES 65535 > - > -static int ehea_poll(struct napi_struct *napi, int budget) > -{ > - struct ehea_port_res *pr = container_of(napi, struct ehea_port_res, > - napi); > - struct net_device *dev = pr->port->netdev; > - struct ehea_cqe *cqe; > - struct ehea_cqe *cqe_skb = NULL; > - int wqe_index; > - int rx = 0; > - > - cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES); > - rx += ehea_proc_rwqes(dev, pr, budget - rx); > - > - while (rx != budget) { > - napi_complete(napi); > - ehea_reset_cq_ep(pr->recv_cq); > - ehea_reset_cq_ep(pr->send_cq); > - ehea_reset_cq_n1(pr->recv_cq); > - ehea_reset_cq_n1(pr->send_cq); > - rmb(); > - cqe = ehea_poll_rq1(pr->qp, &wqe_index); > - cqe_skb = ehea_poll_cq(pr->send_cq); > - > - if (!cqe && !cqe_skb) > - return rx; > - > - if (!napi_schedule(napi)) > - return rx; > - > - cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES); > - rx += ehea_proc_rwqes(dev, pr, budget - rx); > - } > - > - return rx; > -} > - > -static irqreturn_t ehea_recv_irq_handler(int irq, void *param) > -{ > - struct ehea_port_res *pr = param; > - > - napi_schedule(&pr->napi); > - > - return IRQ_HANDLED; > -} > - > -static irqreturn_t ehea_qp_aff_irq_handler(int irq, void *param) > -{ > - struct ehea_port *port = param; > - struct ehea_eqe *eqe; > - struct ehea_qp *qp; > - u32 qp_token; > - u64 resource_type, aer, aerr; > - int reset_port = 0; > - > - eqe = ehea_poll_eq(port->qp_eq); > - > - while (eqe) { > - qp_token = EHEA_BMASK_GET(EHEA_EQE_QP_TOKEN, eqe->entry); > - pr_err("QP aff_err: entry=0x%llx, token=0x%x\n", > - eqe->entry, qp_token); > - > - qp = port->port_res[qp_token].qp; > - > - resource_type = ehea_error_data(port->adapter, qp->fw_handle, > - &aer, &aerr); > - > - if (resource_type == EHEA_AER_RESTYPE_QP) { > - if ((aer & EHEA_AER_RESET_MASK) || > - (aerr & EHEA_AERR_RESET_MASK)) > - reset_port = 1; > - } else > - reset_port = 1; /* Reset in case of CQ or EQ error */ > - > - eqe = ehea_poll_eq(port->qp_eq); > - } > - > - if (reset_port) { > - pr_err("Resetting port\n"); > - ehea_schedule_port_reset(port); > - } > - > - return IRQ_HANDLED; > -} > - > -static struct ehea_port *ehea_get_port(struct ehea_adapter *adapter, > - int logical_port) > -{ > - int i; > - > - for (i = 0; i < EHEA_MAX_PORTS; i++) > - if (adapter->port[i]) > - if (adapter->port[i]->logical_port_id == logical_port) > - return adapter->port[i]; > - return NULL; > -} > - > -int ehea_sense_port_attr(struct ehea_port *port) > -{ > - int ret; > - u64 hret; > - struct hcp_ehea_port_cb0 *cb0; > - > - /* may be called via ehea_neq_tasklet() */ > - cb0 = (void *)get_zeroed_page(GFP_ATOMIC); > - if (!cb0) { > - pr_err("no mem for cb0\n"); > - ret = -ENOMEM; > - goto out; > - } > - > - hret = ehea_h_query_ehea_port(port->adapter->handle, > - port->logical_port_id, H_PORT_CB0, > - EHEA_BMASK_SET(H_PORT_CB0_ALL, 0xFFFF), > - cb0); > - if (hret != H_SUCCESS) { > - ret = -EIO; > - goto out_free; > - } > - > - /* MAC address */ > - port->mac_addr = cb0->port_mac_addr << 16; > - > - if (!is_valid_ether_addr((u8 *)&port->mac_addr)) { > - ret = -EADDRNOTAVAIL; > - goto out_free; > - } > - > - /* Port speed */ > - switch (cb0->port_speed) { > - case H_SPEED_10M_H: > - port->port_speed = EHEA_SPEED_10M; > - port->full_duplex = 0; > - break; > - case H_SPEED_10M_F: > - port->port_speed = EHEA_SPEED_10M; > - port->full_duplex = 1; > - break; > - case H_SPEED_100M_H: > - port->port_speed = EHEA_SPEED_100M; > - port->full_duplex = 0; > - break; > - case H_SPEED_100M_F: > - port->port_speed = EHEA_SPEED_100M; > - port->full_duplex = 1; > - break; > - case H_SPEED_1G_F: > - port->port_speed = EHEA_SPEED_1G; > - port->full_duplex = 1; > - break; > - case H_SPEED_10G_F: > - port->port_speed = EHEA_SPEED_10G; > - port->full_duplex = 1; > - break; > - default: > - port->port_speed = 0; > - port->full_duplex = 0; > - break; > - } > - > - port->autoneg = 1; > - port->num_mcs = cb0->num_default_qps; > - > - /* Number of default QPs */ > - if (use_mcs) > - port->num_def_qps = cb0->num_default_qps; > - else > - port->num_def_qps = 1; > - > - if (!port->num_def_qps) { > - ret = -EINVAL; > - goto out_free; > - } > - > - ret = 0; > -out_free: > - if (ret || netif_msg_probe(port)) > - ehea_dump(cb0, sizeof(*cb0), "ehea_sense_port_attr"); > - free_page((unsigned long)cb0); > -out: > - return ret; > -} > - > -int ehea_set_portspeed(struct ehea_port *port, u32 port_speed) > -{ > - struct hcp_ehea_port_cb4 *cb4; > - u64 hret; > - int ret = 0; > - > - cb4 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb4) { > - pr_err("no mem for cb4\n"); > - ret = -ENOMEM; > - goto out; > - } > - > - cb4->port_speed = port_speed; > - > - netif_carrier_off(port->netdev); > - > - hret = ehea_h_modify_ehea_port(port->adapter->handle, > - port->logical_port_id, > - H_PORT_CB4, H_PORT_CB4_SPEED, cb4); > - if (hret == H_SUCCESS) { > - port->autoneg = port_speed == EHEA_SPEED_AUTONEG ? 1 : 0; > - > - hret = ehea_h_query_ehea_port(port->adapter->handle, > - port->logical_port_id, > - H_PORT_CB4, H_PORT_CB4_SPEED, > - cb4); > - if (hret == H_SUCCESS) { > - switch (cb4->port_speed) { > - case H_SPEED_10M_H: > - port->port_speed = EHEA_SPEED_10M; > - port->full_duplex = 0; > - break; > - case H_SPEED_10M_F: > - port->port_speed = EHEA_SPEED_10M; > - port->full_duplex = 1; > - break; > - case H_SPEED_100M_H: > - port->port_speed = EHEA_SPEED_100M; > - port->full_duplex = 0; > - break; > - case H_SPEED_100M_F: > - port->port_speed = EHEA_SPEED_100M; > - port->full_duplex = 1; > - break; > - case H_SPEED_1G_F: > - port->port_speed = EHEA_SPEED_1G; > - port->full_duplex = 1; > - break; > - case H_SPEED_10G_F: > - port->port_speed = EHEA_SPEED_10G; > - port->full_duplex = 1; > - break; > - default: > - port->port_speed = 0; > - port->full_duplex = 0; > - break; > - } > - } else { > - pr_err("Failed sensing port speed\n"); > - ret = -EIO; > - } > - } else { > - if (hret == H_AUTHORITY) { > - pr_info("Hypervisor denied setting port speed\n"); > - ret = -EPERM; > - } else { > - ret = -EIO; > - pr_err("Failed setting port speed\n"); > - } > - } > - if (!prop_carrier_state || (port->phy_link == EHEA_PHY_LINK_UP)) > - netif_carrier_on(port->netdev); > - > - free_page((unsigned long)cb4); > -out: > - return ret; > -} > - > -static void ehea_parse_eqe(struct ehea_adapter *adapter, u64 eqe) > -{ > - int ret; > - u8 ec; > - u8 portnum; > - struct ehea_port *port; > - struct net_device *dev; > - > - ec = EHEA_BMASK_GET(NEQE_EVENT_CODE, eqe); > - portnum = EHEA_BMASK_GET(NEQE_PORTNUM, eqe); > - port = ehea_get_port(adapter, portnum); > - if (!port) { > - netdev_err(NULL, "unknown portnum %x\n", portnum); > - return; > - } > - dev = port->netdev; > - > - switch (ec) { > - case EHEA_EC_PORTSTATE_CHG: /* port state change */ > - > - if (EHEA_BMASK_GET(NEQE_PORT_UP, eqe)) { > - if (!netif_carrier_ok(dev)) { > - ret = ehea_sense_port_attr(port); > - if (ret) { > - netdev_err(dev, "failed resensing port attributes\n"); > - break; > - } > - > - netif_info(port, link, dev, > - "Logical port up: %dMbps %s Duplex\n", > - port->port_speed, > - port->full_duplex == 1 ? > - "Full" : "Half"); > - > - netif_carrier_on(dev); > - netif_wake_queue(dev); > - } > - } else > - if (netif_carrier_ok(dev)) { > - netif_info(port, link, dev, > - "Logical port down\n"); > - netif_carrier_off(dev); > - netif_tx_disable(dev); > - } > - > - if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PORT_UP, eqe)) { > - port->phy_link = EHEA_PHY_LINK_UP; > - netif_info(port, link, dev, > - "Physical port up\n"); > - if (prop_carrier_state) > - netif_carrier_on(dev); > - } else { > - port->phy_link = EHEA_PHY_LINK_DOWN; > - netif_info(port, link, dev, > - "Physical port down\n"); > - if (prop_carrier_state) > - netif_carrier_off(dev); > - } > - > - if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PRIMARY, eqe)) > - netdev_info(dev, > - "External switch port is primary port\n"); > - else > - netdev_info(dev, > - "External switch port is backup port\n"); > - > - break; > - case EHEA_EC_ADAPTER_MALFUNC: > - netdev_err(dev, "Adapter malfunction\n"); > - break; > - case EHEA_EC_PORT_MALFUNC: > - netdev_info(dev, "Port malfunction\n"); > - netif_carrier_off(dev); > - netif_tx_disable(dev); > - break; > - default: > - netdev_err(dev, "unknown event code %x, eqe=0x%llX\n", ec, eqe); > - break; > - } > -} > - > -static void ehea_neq_tasklet(struct tasklet_struct *t) > -{ > - struct ehea_adapter *adapter = from_tasklet(adapter, t, neq_tasklet); > - struct ehea_eqe *eqe; > - u64 event_mask; > - > - eqe = ehea_poll_eq(adapter->neq); > - pr_debug("eqe=%p\n", eqe); > - > - while (eqe) { > - pr_debug("*eqe=%lx\n", (unsigned long) eqe->entry); > - ehea_parse_eqe(adapter, eqe->entry); > - eqe = ehea_poll_eq(adapter->neq); > - pr_debug("next eqe=%p\n", eqe); > - } > - > - event_mask = EHEA_BMASK_SET(NELR_PORTSTATE_CHG, 1) > - | EHEA_BMASK_SET(NELR_ADAPTER_MALFUNC, 1) > - | EHEA_BMASK_SET(NELR_PORT_MALFUNC, 1); > - > - ehea_h_reset_events(adapter->handle, > - adapter->neq->fw_handle, event_mask); > -} > - > -static irqreturn_t ehea_interrupt_neq(int irq, void *param) > -{ > - struct ehea_adapter *adapter = param; > - tasklet_hi_schedule(&adapter->neq_tasklet); > - return IRQ_HANDLED; > -} > - > - > -static int ehea_fill_port_res(struct ehea_port_res *pr) > -{ > - int ret; > - struct ehea_qp_init_attr *init_attr = &pr->qp->init_attr; > - > - ehea_init_fill_rq1(pr, pr->rq1_skba.len); > - > - ret = ehea_refill_rq2(pr, init_attr->act_nr_rwqes_rq2 - 1); > - > - ret |= ehea_refill_rq3(pr, init_attr->act_nr_rwqes_rq3 - 1); > - > - return ret; > -} > - > -static int ehea_reg_interrupts(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_port_res *pr; > - int i, ret; > - > - > - snprintf(port->int_aff_name, EHEA_IRQ_NAME_SIZE - 1, "%s-aff", > - dev->name); > - > - ret = ibmebus_request_irq(port->qp_eq->attr.ist1, > - ehea_qp_aff_irq_handler, > - 0, port->int_aff_name, port); > - if (ret) { > - netdev_err(dev, "failed registering irq for qp_aff_irq_handler:ist=%X\n", > - port->qp_eq->attr.ist1); > - goto out_free_qpeq; > - } > - > - netif_info(port, ifup, dev, > - "irq_handle 0x%X for function qp_aff_irq_handler registered\n", > - port->qp_eq->attr.ist1); > - > - > - for (i = 0; i < port->num_def_qps; i++) { > - pr = &port->port_res[i]; > - snprintf(pr->int_send_name, EHEA_IRQ_NAME_SIZE - 1, > - "%s-queue%d", dev->name, i); > - ret = ibmebus_request_irq(pr->eq->attr.ist1, > - ehea_recv_irq_handler, > - 0, pr->int_send_name, pr); > - if (ret) { > - netdev_err(dev, "failed registering irq for ehea_queue port_res_nr:%d, ist=%X\n", > - i, pr->eq->attr.ist1); > - goto out_free_req; > - } > - netif_info(port, ifup, dev, > - "irq_handle 0x%X for function ehea_queue_int %d registered\n", > - pr->eq->attr.ist1, i); > - } > -out: > - return ret; > - > - > -out_free_req: > - while (--i >= 0) { > - u32 ist = port->port_res[i].eq->attr.ist1; > - ibmebus_free_irq(ist, &port->port_res[i]); > - } > - > -out_free_qpeq: > - ibmebus_free_irq(port->qp_eq->attr.ist1, port); > - i = port->num_def_qps; > - > - goto out; > - > -} > - > -static void ehea_free_interrupts(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_port_res *pr; > - int i; > - > - /* send */ > - > - for (i = 0; i < port->num_def_qps; i++) { > - pr = &port->port_res[i]; > - ibmebus_free_irq(pr->eq->attr.ist1, pr); > - netif_info(port, intr, dev, > - "free send irq for res %d with handle 0x%X\n", > - i, pr->eq->attr.ist1); > - } > - > - /* associated events */ > - ibmebus_free_irq(port->qp_eq->attr.ist1, port); > - netif_info(port, intr, dev, > - "associated event interrupt for handle 0x%X freed\n", > - port->qp_eq->attr.ist1); > -} > - > -static int ehea_configure_port(struct ehea_port *port) > -{ > - int ret, i; > - u64 hret, mask; > - struct hcp_ehea_port_cb0 *cb0; > - > - ret = -ENOMEM; > - cb0 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb0) > - goto out; > - > - cb0->port_rc = EHEA_BMASK_SET(PXLY_RC_VALID, 1) > - | EHEA_BMASK_SET(PXLY_RC_IP_CHKSUM, 1) > - | EHEA_BMASK_SET(PXLY_RC_TCP_UDP_CHKSUM, 1) > - | EHEA_BMASK_SET(PXLY_RC_VLAN_XTRACT, 1) > - | EHEA_BMASK_SET(PXLY_RC_VLAN_TAG_FILTER, > - PXLY_RC_VLAN_FILTER) > - | EHEA_BMASK_SET(PXLY_RC_JUMBO_FRAME, 1); > - > - for (i = 0; i < port->num_mcs; i++) > - if (use_mcs) > - cb0->default_qpn_arr[i] = > - port->port_res[i].qp->init_attr.qp_nr; > - else > - cb0->default_qpn_arr[i] = > - port->port_res[0].qp->init_attr.qp_nr; > - > - if (netif_msg_ifup(port)) > - ehea_dump(cb0, sizeof(*cb0), "ehea_configure_port"); > - > - mask = EHEA_BMASK_SET(H_PORT_CB0_PRC, 1) > - | EHEA_BMASK_SET(H_PORT_CB0_DEFQPNARRAY, 1); > - > - hret = ehea_h_modify_ehea_port(port->adapter->handle, > - port->logical_port_id, > - H_PORT_CB0, mask, cb0); > - ret = -EIO; > - if (hret != H_SUCCESS) > - goto out_free; > - > - ret = 0; > - > -out_free: > - free_page((unsigned long)cb0); > -out: > - return ret; > -} > - > -static int ehea_gen_smrs(struct ehea_port_res *pr) > -{ > - int ret; > - struct ehea_adapter *adapter = pr->port->adapter; > - > - ret = ehea_gen_smr(adapter, &adapter->mr, &pr->send_mr); > - if (ret) > - goto out; > - > - ret = ehea_gen_smr(adapter, &adapter->mr, &pr->recv_mr); > - if (ret) > - goto out_free; > - > - return 0; > - > -out_free: > - ehea_rem_mr(&pr->send_mr); > -out: > - pr_err("Generating SMRS failed\n"); > - return -EIO; > -} > - > -static int ehea_rem_smrs(struct ehea_port_res *pr) > -{ > - if ((ehea_rem_mr(&pr->send_mr)) || > - (ehea_rem_mr(&pr->recv_mr))) > - return -EIO; > - else > - return 0; > -} > - > -static int ehea_init_q_skba(struct ehea_q_skb_arr *q_skba, int max_q_entries) > -{ > - int arr_size = sizeof(void *) * max_q_entries; > - > - q_skba->arr = vzalloc(arr_size); > - if (!q_skba->arr) > - return -ENOMEM; > - > - q_skba->len = max_q_entries; > - q_skba->index = 0; > - q_skba->os_skbs = 0; > - > - return 0; > -} > - > -static int ehea_init_port_res(struct ehea_port *port, struct ehea_port_res *pr, > - struct port_res_cfg *pr_cfg, int queue_token) > -{ > - struct ehea_adapter *adapter = port->adapter; > - enum ehea_eq_type eq_type = EHEA_EQ; > - struct ehea_qp_init_attr *init_attr = NULL; > - int ret = -EIO; > - u64 tx_bytes, rx_bytes, tx_packets, rx_packets; > - > - tx_bytes = pr->tx_bytes; > - tx_packets = pr->tx_packets; > - rx_bytes = pr->rx_bytes; > - rx_packets = pr->rx_packets; > - > - memset(pr, 0, sizeof(struct ehea_port_res)); > - > - pr->tx_bytes = tx_bytes; > - pr->tx_packets = tx_packets; > - pr->rx_bytes = rx_bytes; > - pr->rx_packets = rx_packets; > - > - pr->port = port; > - > - pr->eq = ehea_create_eq(adapter, eq_type, EHEA_MAX_ENTRIES_EQ, 0); > - if (!pr->eq) { > - pr_err("create_eq failed (eq)\n"); > - goto out_free; > - } > - > - pr->recv_cq = ehea_create_cq(adapter, pr_cfg->max_entries_rcq, > - pr->eq->fw_handle, > - port->logical_port_id); > - if (!pr->recv_cq) { > - pr_err("create_cq failed (cq_recv)\n"); > - goto out_free; > - } > - > - pr->send_cq = ehea_create_cq(adapter, pr_cfg->max_entries_scq, > - pr->eq->fw_handle, > - port->logical_port_id); > - if (!pr->send_cq) { > - pr_err("create_cq failed (cq_send)\n"); > - goto out_free; > - } > - > - if (netif_msg_ifup(port)) > - pr_info("Send CQ: act_nr_cqes=%d, Recv CQ: act_nr_cqes=%d\n", > - pr->send_cq->attr.act_nr_of_cqes, > - pr->recv_cq->attr.act_nr_of_cqes); > - > - init_attr = kzalloc_obj(*init_attr); > - if (!init_attr) { > - ret = -ENOMEM; > - pr_err("no mem for ehea_qp_init_attr\n"); > - goto out_free; > - } > - > - init_attr->low_lat_rq1 = 1; > - init_attr->signalingtype = 1; /* generate CQE if specified in WQE */ > - init_attr->rq_count = 3; > - init_attr->qp_token = queue_token; > - init_attr->max_nr_send_wqes = pr_cfg->max_entries_sq; > - init_attr->max_nr_rwqes_rq1 = pr_cfg->max_entries_rq1; > - init_attr->max_nr_rwqes_rq2 = pr_cfg->max_entries_rq2; > - init_attr->max_nr_rwqes_rq3 = pr_cfg->max_entries_rq3; > - init_attr->wqe_size_enc_sq = EHEA_SG_SQ; > - init_attr->wqe_size_enc_rq1 = EHEA_SG_RQ1; > - init_attr->wqe_size_enc_rq2 = EHEA_SG_RQ2; > - init_attr->wqe_size_enc_rq3 = EHEA_SG_RQ3; > - init_attr->rq2_threshold = EHEA_RQ2_THRESHOLD; > - init_attr->rq3_threshold = EHEA_RQ3_THRESHOLD; > - init_attr->port_nr = port->logical_port_id; > - init_attr->send_cq_handle = pr->send_cq->fw_handle; > - init_attr->recv_cq_handle = pr->recv_cq->fw_handle; > - init_attr->aff_eq_handle = port->qp_eq->fw_handle; > - > - pr->qp = ehea_create_qp(adapter, adapter->pd, init_attr); > - if (!pr->qp) { > - pr_err("create_qp failed\n"); > - ret = -EIO; > - goto out_free; > - } > - > - if (netif_msg_ifup(port)) > - pr_info("QP: qp_nr=%d\n act_nr_snd_wqe=%d\n nr_rwqe_rq1=%d\n nr_rwqe_rq2=%d\n nr_rwqe_rq3=%d\n", > - init_attr->qp_nr, > - init_attr->act_nr_send_wqes, > - init_attr->act_nr_rwqes_rq1, > - init_attr->act_nr_rwqes_rq2, > - init_attr->act_nr_rwqes_rq3); > - > - pr->sq_skba_size = init_attr->act_nr_send_wqes + 1; > - > - ret = ehea_init_q_skba(&pr->sq_skba, pr->sq_skba_size); > - ret |= ehea_init_q_skba(&pr->rq1_skba, init_attr->act_nr_rwqes_rq1 + 1); > - ret |= ehea_init_q_skba(&pr->rq2_skba, init_attr->act_nr_rwqes_rq2 + 1); > - ret |= ehea_init_q_skba(&pr->rq3_skba, init_attr->act_nr_rwqes_rq3 + 1); > - if (ret) > - goto out_free; > - > - pr->swqe_refill_th = init_attr->act_nr_send_wqes / 10; > - if (ehea_gen_smrs(pr) != 0) { > - ret = -EIO; > - goto out_free; > - } > - > - atomic_set(&pr->swqe_avail, init_attr->act_nr_send_wqes - 1); > - > - kfree(init_attr); > - > - netif_napi_add(pr->port->netdev, &pr->napi, ehea_poll); > - > - ret = 0; > - goto out; > - > -out_free: > - kfree(init_attr); > - vfree(pr->sq_skba.arr); > - vfree(pr->rq1_skba.arr); > - vfree(pr->rq2_skba.arr); > - vfree(pr->rq3_skba.arr); > - ehea_destroy_qp(pr->qp); > - ehea_destroy_cq(pr->send_cq); > - ehea_destroy_cq(pr->recv_cq); > - ehea_destroy_eq(pr->eq); > -out: > - return ret; > -} > - > -static int ehea_clean_portres(struct ehea_port *port, struct ehea_port_res *pr) > -{ > - int ret, i; > - > - if (pr->qp) > - netif_napi_del(&pr->napi); > - > - ret = ehea_destroy_qp(pr->qp); > - > - if (!ret) { > - ehea_destroy_cq(pr->send_cq); > - ehea_destroy_cq(pr->recv_cq); > - ehea_destroy_eq(pr->eq); > - > - for (i = 0; i < pr->rq1_skba.len; i++) > - dev_kfree_skb(pr->rq1_skba.arr[i]); > - > - for (i = 0; i < pr->rq2_skba.len; i++) > - dev_kfree_skb(pr->rq2_skba.arr[i]); > - > - for (i = 0; i < pr->rq3_skba.len; i++) > - dev_kfree_skb(pr->rq3_skba.arr[i]); > - > - for (i = 0; i < pr->sq_skba.len; i++) > - dev_kfree_skb(pr->sq_skba.arr[i]); > - > - vfree(pr->rq1_skba.arr); > - vfree(pr->rq2_skba.arr); > - vfree(pr->rq3_skba.arr); > - vfree(pr->sq_skba.arr); > - ret = ehea_rem_smrs(pr); > - } > - return ret; > -} > - > -static void write_swqe2_immediate(struct sk_buff *skb, struct ehea_swqe *swqe, > - u32 lkey) > -{ > - int skb_data_size = skb_headlen(skb); > - u8 *imm_data = &swqe->u.immdata_desc.immediate_data[0]; > - struct ehea_vsgentry *sg1entry = &swqe->u.immdata_desc.sg_entry; > - unsigned int immediate_len = SWQE2_MAX_IMM; > - > - swqe->descriptors = 0; > - > - if (skb_is_gso(skb)) { > - swqe->tx_control |= EHEA_SWQE_TSO; > - swqe->mss = skb_shinfo(skb)->gso_size; > - /* > - * For TSO packets we only copy the headers into the > - * immediate area. > - */ > - immediate_len = skb_tcp_all_headers(skb); > - } > - > - if (skb_is_gso(skb) || skb_data_size >= SWQE2_MAX_IMM) { > - skb_copy_from_linear_data(skb, imm_data, immediate_len); > - swqe->immediate_data_length = immediate_len; > - > - if (skb_data_size > immediate_len) { > - sg1entry->l_key = lkey; > - sg1entry->len = skb_data_size - immediate_len; > - sg1entry->vaddr = > - ehea_map_vaddr(skb->data + immediate_len); > - swqe->descriptors++; > - } > - } else { > - skb_copy_from_linear_data(skb, imm_data, skb_data_size); > - swqe->immediate_data_length = skb_data_size; > - } > -} > - > -static inline void write_swqe2_data(struct sk_buff *skb, struct net_device *dev, > - struct ehea_swqe *swqe, u32 lkey) > -{ > - struct ehea_vsgentry *sg_list, *sg1entry, *sgentry; > - skb_frag_t *frag; > - int nfrags, sg1entry_contains_frag_data, i; > - > - nfrags = skb_shinfo(skb)->nr_frags; > - sg1entry = &swqe->u.immdata_desc.sg_entry; > - sg_list = (struct ehea_vsgentry *)&swqe->u.immdata_desc.sg_list; > - sg1entry_contains_frag_data = 0; > - > - write_swqe2_immediate(skb, swqe, lkey); > - > - /* write descriptors */ > - if (nfrags > 0) { > - if (swqe->descriptors == 0) { > - /* sg1entry not yet used */ > - frag = &skb_shinfo(skb)->frags[0]; > - > - /* copy sg1entry data */ > - sg1entry->l_key = lkey; > - sg1entry->len = skb_frag_size(frag); > - sg1entry->vaddr = > - ehea_map_vaddr(skb_frag_address(frag)); > - swqe->descriptors++; > - sg1entry_contains_frag_data = 1; > - } > - > - for (i = sg1entry_contains_frag_data; i < nfrags; i++) { > - > - frag = &skb_shinfo(skb)->frags[i]; > - sgentry = &sg_list[i - sg1entry_contains_frag_data]; > - > - sgentry->l_key = lkey; > - sgentry->len = skb_frag_size(frag); > - sgentry->vaddr = ehea_map_vaddr(skb_frag_address(frag)); > - swqe->descriptors++; > - } > - } > -} > - > -static int ehea_broadcast_reg_helper(struct ehea_port *port, u32 hcallid) > -{ > - int ret = 0; > - u64 hret; > - u8 reg_type; > - > - /* De/Register untagged packets */ > - reg_type = EHEA_BCMC_BROADCAST | EHEA_BCMC_UNTAGGED; > - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, > - port->logical_port_id, > - reg_type, port->mac_addr, 0, hcallid); > - if (hret != H_SUCCESS) { > - pr_err("%sregistering bc address failed (tagged)\n", > - hcallid == H_REG_BCMC ? "" : "de"); > - ret = -EIO; > - goto out_herr; > - } > - > - /* De/Register VLAN packets */ > - reg_type = EHEA_BCMC_BROADCAST | EHEA_BCMC_VLANID_ALL; > - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, > - port->logical_port_id, > - reg_type, port->mac_addr, 0, hcallid); > - if (hret != H_SUCCESS) { > - pr_err("%sregistering bc address failed (vlan)\n", > - hcallid == H_REG_BCMC ? "" : "de"); > - ret = -EIO; > - } > -out_herr: > - return ret; > -} > - > -static int ehea_set_mac_addr(struct net_device *dev, void *sa) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct sockaddr *mac_addr = sa; > - struct hcp_ehea_port_cb0 *cb0; > - int ret; > - u64 hret; > - > - if (!is_valid_ether_addr(mac_addr->sa_data)) { > - ret = -EADDRNOTAVAIL; > - goto out; > - } > - > - cb0 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb0) { > - pr_err("no mem for cb0\n"); > - ret = -ENOMEM; > - goto out; > - } > - > - memcpy(&(cb0->port_mac_addr), &(mac_addr->sa_data[0]), ETH_ALEN); > - > - cb0->port_mac_addr = cb0->port_mac_addr >> 16; > - > - hret = ehea_h_modify_ehea_port(port->adapter->handle, > - port->logical_port_id, H_PORT_CB0, > - EHEA_BMASK_SET(H_PORT_CB0_MAC, 1), cb0); > - if (hret != H_SUCCESS) { > - ret = -EIO; > - goto out_free; > - } > - > - eth_hw_addr_set(dev, mac_addr->sa_data); > - > - /* Deregister old MAC in pHYP */ > - if (port->state == EHEA_PORT_UP) { > - ret = ehea_broadcast_reg_helper(port, H_DEREG_BCMC); > - if (ret) > - goto out_upregs; > - } > - > - port->mac_addr = cb0->port_mac_addr << 16; > - > - /* Register new MAC in pHYP */ > - if (port->state == EHEA_PORT_UP) { > - ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); > - if (ret) > - goto out_upregs; > - } > - > - ret = 0; > - > -out_upregs: > - ehea_update_bcmc_registrations(); > -out_free: > - free_page((unsigned long)cb0); > -out: > - return ret; > -} > - > -static void ehea_promiscuous_error(u64 hret, int enable) > -{ > - if (hret == H_AUTHORITY) > - pr_info("Hypervisor denied %sabling promiscuous mode\n", > - enable == 1 ? "en" : "dis"); > - else > - pr_err("failed %sabling promiscuous mode\n", > - enable == 1 ? "en" : "dis"); > -} > - > -static void ehea_promiscuous(struct net_device *dev, int enable) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct hcp_ehea_port_cb7 *cb7; > - u64 hret; > - > - if (enable == port->promisc) > - return; > - > - cb7 = (void *)get_zeroed_page(GFP_ATOMIC); > - if (!cb7) { > - pr_err("no mem for cb7\n"); > - goto out; > - } > - > - /* Modify Pxs_DUCQPN in CB7 */ > - cb7->def_uc_qpn = enable == 1 ? port->port_res[0].qp->fw_handle : 0; > - > - hret = ehea_h_modify_ehea_port(port->adapter->handle, > - port->logical_port_id, > - H_PORT_CB7, H_PORT_CB7_DUCQPN, cb7); > - if (hret) { > - ehea_promiscuous_error(hret, enable); > - goto out; > - } > - > - port->promisc = enable; > -out: > - free_page((unsigned long)cb7); > -} > - > -static u64 ehea_multicast_reg_helper(struct ehea_port *port, u64 mc_mac_addr, > - u32 hcallid) > -{ > - u64 hret; > - u8 reg_type; > - > - reg_type = EHEA_BCMC_MULTICAST | EHEA_BCMC_UNTAGGED; > - if (mc_mac_addr == 0) > - reg_type |= EHEA_BCMC_SCOPE_ALL; > - > - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, > - port->logical_port_id, > - reg_type, mc_mac_addr, 0, hcallid); > - if (hret) > - goto out; > - > - reg_type = EHEA_BCMC_MULTICAST | EHEA_BCMC_VLANID_ALL; > - if (mc_mac_addr == 0) > - reg_type |= EHEA_BCMC_SCOPE_ALL; > - > - hret = ehea_h_reg_dereg_bcmc(port->adapter->handle, > - port->logical_port_id, > - reg_type, mc_mac_addr, 0, hcallid); > -out: > - return hret; > -} > - > -static int ehea_drop_multicast_list(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_mc_list *mc_entry = port->mc_list; > - struct list_head *pos; > - struct list_head *temp; > - int ret = 0; > - u64 hret; > - > - list_for_each_safe(pos, temp, &(port->mc_list->list)) { > - mc_entry = list_entry(pos, struct ehea_mc_list, list); > - > - hret = ehea_multicast_reg_helper(port, mc_entry->macaddr, > - H_DEREG_BCMC); > - if (hret) { > - pr_err("failed deregistering mcast MAC\n"); > - ret = -EIO; > - } > - > - list_del(pos); > - kfree(mc_entry); > - } > - return ret; > -} > - > -static void ehea_allmulti(struct net_device *dev, int enable) > -{ > - struct ehea_port *port = netdev_priv(dev); > - u64 hret; > - > - if (!port->allmulti) { > - if (enable) { > - /* Enable ALLMULTI */ > - ehea_drop_multicast_list(dev); > - hret = ehea_multicast_reg_helper(port, 0, H_REG_BCMC); > - if (!hret) > - port->allmulti = 1; > - else > - netdev_err(dev, > - "failed enabling IFF_ALLMULTI\n"); > - } > - } else { > - if (!enable) { > - /* Disable ALLMULTI */ > - hret = ehea_multicast_reg_helper(port, 0, H_DEREG_BCMC); > - if (!hret) > - port->allmulti = 0; > - else > - netdev_err(dev, > - "failed disabling IFF_ALLMULTI\n"); > - } > - } > -} > - > -static void ehea_add_multicast_entry(struct ehea_port *port, u8 *mc_mac_addr) > -{ > - struct ehea_mc_list *ehea_mcl_entry; > - u64 hret; > - > - ehea_mcl_entry = kzalloc_obj(*ehea_mcl_entry, GFP_ATOMIC); > - if (!ehea_mcl_entry) > - return; > - > - INIT_LIST_HEAD(&ehea_mcl_entry->list); > - > - memcpy(&ehea_mcl_entry->macaddr, mc_mac_addr, ETH_ALEN); > - > - hret = ehea_multicast_reg_helper(port, ehea_mcl_entry->macaddr, > - H_REG_BCMC); > - if (!hret) > - list_add(&ehea_mcl_entry->list, &port->mc_list->list); > - else { > - pr_err("failed registering mcast MAC\n"); > - kfree(ehea_mcl_entry); > - } > -} > - > -static void ehea_set_multicast_list(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct netdev_hw_addr *ha; > - int ret; > - > - ehea_promiscuous(dev, !!(dev->flags & IFF_PROMISC)); > - > - if (dev->flags & IFF_ALLMULTI) { > - ehea_allmulti(dev, 1); > - goto out; > - } > - ehea_allmulti(dev, 0); > - > - if (!netdev_mc_empty(dev)) { > - ret = ehea_drop_multicast_list(dev); > - if (ret) { > - /* Dropping the current multicast list failed. > - * Enabling ALL_MULTI is the best we can do. > - */ > - ehea_allmulti(dev, 1); > - } > - > - if (netdev_mc_count(dev) > port->adapter->max_mc_mac) { > - pr_info("Mcast registration limit reached (0x%llx). Use ALLMULTI!\n", > - port->adapter->max_mc_mac); > - goto out; > - } > - > - netdev_for_each_mc_addr(ha, dev) > - ehea_add_multicast_entry(port, ha->addr); > - > - } > -out: > - ehea_update_bcmc_registrations(); > -} > - > -static void xmit_common(struct sk_buff *skb, struct ehea_swqe *swqe) > -{ > - swqe->tx_control |= EHEA_SWQE_IMM_DATA_PRESENT | EHEA_SWQE_CRC; > - > - if (vlan_get_protocol(skb) != htons(ETH_P_IP)) > - return; > - > - if (skb->ip_summed == CHECKSUM_PARTIAL) > - swqe->tx_control |= EHEA_SWQE_IP_CHECKSUM; > - > - swqe->ip_start = skb_network_offset(skb); > - swqe->ip_end = swqe->ip_start + ip_hdrlen(skb) - 1; > - > - switch (ip_hdr(skb)->protocol) { > - case IPPROTO_UDP: > - if (skb->ip_summed == CHECKSUM_PARTIAL) > - swqe->tx_control |= EHEA_SWQE_TCP_CHECKSUM; > - > - swqe->tcp_offset = swqe->ip_end + 1 + > - offsetof(struct udphdr, check); > - break; > - > - case IPPROTO_TCP: > - if (skb->ip_summed == CHECKSUM_PARTIAL) > - swqe->tx_control |= EHEA_SWQE_TCP_CHECKSUM; > - > - swqe->tcp_offset = swqe->ip_end + 1 + > - offsetof(struct tcphdr, check); > - break; > - } > -} > - > -static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev, > - struct ehea_swqe *swqe, u32 lkey) > -{ > - swqe->tx_control |= EHEA_SWQE_DESCRIPTORS_PRESENT; > - > - xmit_common(skb, swqe); > - > - write_swqe2_data(skb, dev, swqe, lkey); > -} > - > -static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev, > - struct ehea_swqe *swqe) > -{ > - u8 *imm_data = &swqe->u.immdata_nodesc.immediate_data[0]; > - > - xmit_common(skb, swqe); > - > - if (!skb->data_len) > - skb_copy_from_linear_data(skb, imm_data, skb->len); > - else > - skb_copy_bits(skb, 0, imm_data, skb->len); > - > - swqe->immediate_data_length = skb->len; > - dev_consume_skb_any(skb); > -} > - > -static netdev_tx_t ehea_start_xmit(struct sk_buff *skb, struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_swqe *swqe; > - u32 lkey; > - int swqe_index; > - struct ehea_port_res *pr; > - struct netdev_queue *txq; > - > - pr = &port->port_res[skb_get_queue_mapping(skb)]; > - txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb)); > - > - swqe = ehea_get_swqe(pr->qp, &swqe_index); > - memset(swqe, 0, SWQE_HEADER_SIZE); > - atomic_dec(&pr->swqe_avail); > - > - if (skb_vlan_tag_present(skb)) { > - swqe->tx_control |= EHEA_SWQE_VLAN_INSERT; > - swqe->vlan_tag = skb_vlan_tag_get(skb); > - } > - > - pr->tx_packets++; > - pr->tx_bytes += skb->len; > - > - if (skb->len <= SWQE3_MAX_IMM) { > - u32 sig_iv = port->sig_comp_iv; > - u32 swqe_num = pr->swqe_id_counter; > - ehea_xmit3(skb, dev, swqe); > - swqe->wr_id = EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE3_TYPE) > - | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, swqe_num); > - if (pr->swqe_ll_count >= (sig_iv - 1)) { > - swqe->wr_id |= EHEA_BMASK_SET(EHEA_WR_ID_REFILL, > - sig_iv); > - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; > - pr->swqe_ll_count = 0; > - } else > - pr->swqe_ll_count += 1; > - } else { > - swqe->wr_id = > - EHEA_BMASK_SET(EHEA_WR_ID_TYPE, EHEA_SWQE2_TYPE) > - | EHEA_BMASK_SET(EHEA_WR_ID_COUNT, pr->swqe_id_counter) > - | EHEA_BMASK_SET(EHEA_WR_ID_REFILL, 1) > - | EHEA_BMASK_SET(EHEA_WR_ID_INDEX, pr->sq_skba.index); > - pr->sq_skba.arr[pr->sq_skba.index] = skb; > - > - pr->sq_skba.index++; > - pr->sq_skba.index &= (pr->sq_skba.len - 1); > - > - lkey = pr->send_mr.lkey; > - ehea_xmit2(skb, dev, swqe, lkey); > - swqe->tx_control |= EHEA_SWQE_SIGNALLED_COMPLETION; > - } > - pr->swqe_id_counter += 1; > - > - netif_info(port, tx_queued, dev, > - "post swqe on QP %d\n", pr->qp->init_attr.qp_nr); > - if (netif_msg_tx_queued(port)) > - ehea_dump(swqe, 512, "swqe"); > - > - if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) { > - netif_tx_stop_queue(txq); > - swqe->tx_control |= EHEA_SWQE_PURGE; > - } > - > - ehea_post_swqe(pr->qp, swqe); > - > - if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) { > - pr->p_stats.queue_stopped++; > - netif_tx_stop_queue(txq); > - } > - > - return NETDEV_TX_OK; > -} > - > -static int ehea_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_adapter *adapter = port->adapter; > - struct hcp_ehea_port_cb1 *cb1; > - int index; > - u64 hret; > - int err = 0; > - > - cb1 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb1) { > - pr_err("no mem for cb1\n"); > - err = -ENOMEM; > - goto out; > - } > - > - hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id, > - H_PORT_CB1, H_PORT_CB1_ALL, cb1); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_port failed\n"); > - err = -EINVAL; > - goto out; > - } > - > - index = (vid / 64); > - cb1->vlan_filter[index] |= ((u64)(0x8000000000000000 >> (vid & 0x3F))); > - > - hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, > - H_PORT_CB1, H_PORT_CB1_ALL, cb1); > - if (hret != H_SUCCESS) { > - pr_err("modify_ehea_port failed\n"); > - err = -EINVAL; > - } > -out: > - free_page((unsigned long)cb1); > - return err; > -} > - > -static int ehea_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_adapter *adapter = port->adapter; > - struct hcp_ehea_port_cb1 *cb1; > - int index; > - u64 hret; > - int err = 0; > - > - cb1 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb1) { > - pr_err("no mem for cb1\n"); > - err = -ENOMEM; > - goto out; > - } > - > - hret = ehea_h_query_ehea_port(adapter->handle, port->logical_port_id, > - H_PORT_CB1, H_PORT_CB1_ALL, cb1); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_port failed\n"); > - err = -EINVAL; > - goto out; > - } > - > - index = (vid / 64); > - cb1->vlan_filter[index] &= ~((u64)(0x8000000000000000 >> (vid & 0x3F))); > - > - hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id, > - H_PORT_CB1, H_PORT_CB1_ALL, cb1); > - if (hret != H_SUCCESS) { > - pr_err("modify_ehea_port failed\n"); > - err = -EINVAL; > - } > -out: > - free_page((unsigned long)cb1); > - return err; > -} > - > -static int ehea_activate_qp(struct ehea_adapter *adapter, struct ehea_qp *qp) > -{ > - int ret = -EIO; > - u64 hret; > - u16 dummy16 = 0; > - u64 dummy64 = 0; > - struct hcp_modify_qp_cb0 *cb0; > - > - cb0 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb0) { > - ret = -ENOMEM; > - goto out; > - } > - > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_qp failed (1)\n"); > - goto out; > - } > - > - cb0->qp_ctl_reg = H_QP_CR_STATE_INITIALIZED; > - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0, > - &dummy64, &dummy64, &dummy16, &dummy16); > - if (hret != H_SUCCESS) { > - pr_err("modify_ehea_qp failed (1)\n"); > - goto out; > - } > - > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_qp failed (2)\n"); > - goto out; > - } > - > - cb0->qp_ctl_reg = H_QP_CR_ENABLED | H_QP_CR_STATE_INITIALIZED; > - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0, > - &dummy64, &dummy64, &dummy16, &dummy16); > - if (hret != H_SUCCESS) { > - pr_err("modify_ehea_qp failed (2)\n"); > - goto out; > - } > - > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_qp failed (3)\n"); > - goto out; > - } > - > - cb0->qp_ctl_reg = H_QP_CR_ENABLED | H_QP_CR_STATE_RDY2SND; > - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, 1), cb0, > - &dummy64, &dummy64, &dummy16, &dummy16); > - if (hret != H_SUCCESS) { > - pr_err("modify_ehea_qp failed (3)\n"); > - goto out; > - } > - > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), cb0); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_qp failed (4)\n"); > - goto out; > - } > - > - ret = 0; > -out: > - free_page((unsigned long)cb0); > - return ret; > -} > - > -static int ehea_port_res_setup(struct ehea_port *port, int def_qps) > -{ > - int ret, i; > - struct port_res_cfg pr_cfg, pr_cfg_small_rx; > - enum ehea_eq_type eq_type = EHEA_EQ; > - > - port->qp_eq = ehea_create_eq(port->adapter, eq_type, > - EHEA_MAX_ENTRIES_EQ, 1); > - if (!port->qp_eq) { > - ret = -EINVAL; > - pr_err("ehea_create_eq failed (qp_eq)\n"); > - goto out_kill_eq; > - } > - > - pr_cfg.max_entries_rcq = rq1_entries + rq2_entries + rq3_entries; > - pr_cfg.max_entries_scq = sq_entries * 2; > - pr_cfg.max_entries_sq = sq_entries; > - pr_cfg.max_entries_rq1 = rq1_entries; > - pr_cfg.max_entries_rq2 = rq2_entries; > - pr_cfg.max_entries_rq3 = rq3_entries; > - > - pr_cfg_small_rx.max_entries_rcq = 1; > - pr_cfg_small_rx.max_entries_scq = sq_entries; > - pr_cfg_small_rx.max_entries_sq = sq_entries; > - pr_cfg_small_rx.max_entries_rq1 = 1; > - pr_cfg_small_rx.max_entries_rq2 = 1; > - pr_cfg_small_rx.max_entries_rq3 = 1; > - > - for (i = 0; i < def_qps; i++) { > - ret = ehea_init_port_res(port, &port->port_res[i], &pr_cfg, i); > - if (ret) > - goto out_clean_pr; > - } > - for (i = def_qps; i < def_qps; i++) { > - ret = ehea_init_port_res(port, &port->port_res[i], > - &pr_cfg_small_rx, i); > - if (ret) > - goto out_clean_pr; > - } > - > - return 0; > - > -out_clean_pr: > - while (--i >= 0) > - ehea_clean_portres(port, &port->port_res[i]); > - > -out_kill_eq: > - ehea_destroy_eq(port->qp_eq); > - return ret; > -} > - > -static int ehea_clean_all_portres(struct ehea_port *port) > -{ > - int ret = 0; > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) > - ret |= ehea_clean_portres(port, &port->port_res[i]); > - > - ret |= ehea_destroy_eq(port->qp_eq); > - > - return ret; > -} > - > -static void ehea_remove_adapter_mr(struct ehea_adapter *adapter) > -{ > - if (adapter->active_ports) > - return; > - > - ehea_rem_mr(&adapter->mr); > -} > - > -static int ehea_add_adapter_mr(struct ehea_adapter *adapter) > -{ > - if (adapter->active_ports) > - return 0; > - > - return ehea_reg_kernel_mr(adapter, &adapter->mr); > -} > - > -static int ehea_up(struct net_device *dev) > -{ > - int ret, i; > - struct ehea_port *port = netdev_priv(dev); > - > - if (port->state == EHEA_PORT_UP) > - return 0; > - > - ret = ehea_port_res_setup(port, port->num_def_qps); > - if (ret) { > - netdev_err(dev, "port_res_failed\n"); > - goto out; > - } > - > - /* Set default QP for this port */ > - ret = ehea_configure_port(port); > - if (ret) { > - netdev_err(dev, "ehea_configure_port failed. ret:%d\n", ret); > - goto out_clean_pr; > - } > - > - ret = ehea_reg_interrupts(dev); > - if (ret) { > - netdev_err(dev, "reg_interrupts failed. ret:%d\n", ret); > - goto out_clean_pr; > - } > - > - for (i = 0; i < port->num_def_qps; i++) { > - ret = ehea_activate_qp(port->adapter, port->port_res[i].qp); > - if (ret) { > - netdev_err(dev, "activate_qp failed\n"); > - goto out_free_irqs; > - } > - } > - > - for (i = 0; i < port->num_def_qps; i++) { > - ret = ehea_fill_port_res(&port->port_res[i]); > - if (ret) { > - netdev_err(dev, "out_free_irqs\n"); > - goto out_free_irqs; > - } > - } > - > - ret = ehea_broadcast_reg_helper(port, H_REG_BCMC); > - if (ret) { > - ret = -EIO; > - goto out_free_irqs; > - } > - > - port->state = EHEA_PORT_UP; > - > - ret = 0; > - goto out; > - > -out_free_irqs: > - ehea_free_interrupts(dev); > - > -out_clean_pr: > - ehea_clean_all_portres(port); > -out: > - if (ret) > - netdev_info(dev, "Failed starting. ret=%i\n", ret); > - > - ehea_update_bcmc_registrations(); > - ehea_update_firmware_handles(); > - > - return ret; > -} > - > -static void port_napi_disable(struct ehea_port *port) > -{ > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) > - napi_disable(&port->port_res[i].napi); > -} > - > -static void port_napi_enable(struct ehea_port *port) > -{ > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) > - napi_enable(&port->port_res[i].napi); > -} > - > -static int ehea_open(struct net_device *dev) > -{ > - int ret; > - struct ehea_port *port = netdev_priv(dev); > - > - mutex_lock(&port->port_lock); > - > - netif_info(port, ifup, dev, "enabling port\n"); > - > - netif_carrier_off(dev); > - > - ret = ehea_up(dev); > - if (!ret) { > - port_napi_enable(port); > - netif_tx_start_all_queues(dev); > - } > - > - mutex_unlock(&port->port_lock); > - schedule_delayed_work(&port->stats_work, > - round_jiffies_relative(msecs_to_jiffies(1000))); > - > - return ret; > -} > - > -static int ehea_down(struct net_device *dev) > -{ > - int ret; > - struct ehea_port *port = netdev_priv(dev); > - > - if (port->state == EHEA_PORT_DOWN) > - return 0; > - > - ehea_drop_multicast_list(dev); > - ehea_allmulti(dev, 0); > - ehea_broadcast_reg_helper(port, H_DEREG_BCMC); > - > - ehea_free_interrupts(dev); > - > - port->state = EHEA_PORT_DOWN; > - > - ehea_update_bcmc_registrations(); > - > - ret = ehea_clean_all_portres(port); > - if (ret) > - netdev_info(dev, "Failed freeing resources. ret=%i\n", ret); > - > - ehea_update_firmware_handles(); > - > - return ret; > -} > - > -static int ehea_stop(struct net_device *dev) > -{ > - int ret; > - struct ehea_port *port = netdev_priv(dev); > - > - netif_info(port, ifdown, dev, "disabling port\n"); > - > - set_bit(__EHEA_DISABLE_PORT_RESET, &port->flags); > - cancel_work_sync(&port->reset_task); > - cancel_delayed_work_sync(&port->stats_work); > - mutex_lock(&port->port_lock); > - netif_tx_stop_all_queues(dev); > - port_napi_disable(port); > - ret = ehea_down(dev); > - mutex_unlock(&port->port_lock); > - clear_bit(__EHEA_DISABLE_PORT_RESET, &port->flags); > - return ret; > -} > - > -static void ehea_purge_sq(struct ehea_qp *orig_qp) > -{ > - struct ehea_qp qp = *orig_qp; > - struct ehea_qp_init_attr *init_attr = &qp.init_attr; > - struct ehea_swqe *swqe; > - int wqe_index; > - int i; > - > - for (i = 0; i < init_attr->act_nr_send_wqes; i++) { > - swqe = ehea_get_swqe(&qp, &wqe_index); > - swqe->tx_control |= EHEA_SWQE_PURGE; > - } > -} > - > -static void ehea_flush_sq(struct ehea_port *port) > -{ > - int i; > - > - for (i = 0; i < port->num_def_qps; i++) { > - struct ehea_port_res *pr = &port->port_res[i]; > - int swqe_max = pr->sq_skba_size - 2 - pr->swqe_ll_count; > - int ret; > - > - ret = wait_event_timeout(port->swqe_avail_wq, > - atomic_read(&pr->swqe_avail) >= swqe_max, > - msecs_to_jiffies(100)); > - > - if (!ret) { > - pr_err("WARNING: sq not flushed completely\n"); > - break; > - } > - } > -} > - > -static int ehea_stop_qps(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_adapter *adapter = port->adapter; > - struct hcp_modify_qp_cb0 *cb0; > - int ret = -EIO; > - int dret; > - int i; > - u64 hret; > - u64 dummy64 = 0; > - u16 dummy16 = 0; > - > - cb0 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb0) { > - ret = -ENOMEM; > - goto out; > - } > - > - for (i = 0; i < (port->num_def_qps); i++) { > - struct ehea_port_res *pr = &port->port_res[i]; > - struct ehea_qp *qp = pr->qp; > - > - /* Purge send queue */ > - ehea_purge_sq(qp); > - > - /* Disable queue pair */ > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), > - cb0); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_qp failed (1)\n"); > - goto out; > - } > - > - cb0->qp_ctl_reg = (cb0->qp_ctl_reg & H_QP_CR_RES_STATE) << 8; > - cb0->qp_ctl_reg &= ~H_QP_CR_ENABLED; > - > - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, > - 1), cb0, &dummy64, > - &dummy64, &dummy16, &dummy16); > - if (hret != H_SUCCESS) { > - pr_err("modify_ehea_qp failed (1)\n"); > - goto out; > - } > - > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), > - cb0); > - if (hret != H_SUCCESS) { > - pr_err("query_ehea_qp failed (2)\n"); > - goto out; > - } > - > - /* deregister shared memory regions */ > - dret = ehea_rem_smrs(pr); > - if (dret) { > - pr_err("unreg shared memory region failed\n"); > - goto out; > - } > - } > - > - ret = 0; > -out: > - free_page((unsigned long)cb0); > - > - return ret; > -} > - > -static void ehea_update_rqs(struct ehea_qp *orig_qp, struct ehea_port_res *pr) > -{ > - struct ehea_qp qp = *orig_qp; > - struct ehea_qp_init_attr *init_attr = &qp.init_attr; > - struct ehea_rwqe *rwqe; > - struct sk_buff **skba_rq2 = pr->rq2_skba.arr; > - struct sk_buff **skba_rq3 = pr->rq3_skba.arr; > - struct sk_buff *skb; > - u32 lkey = pr->recv_mr.lkey; > - > - > - int i; > - int index; > - > - for (i = 0; i < init_attr->act_nr_rwqes_rq2 + 1; i++) { > - rwqe = ehea_get_next_rwqe(&qp, 2); > - rwqe->sg_list[0].l_key = lkey; > - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, rwqe->wr_id); > - skb = skba_rq2[index]; > - if (skb) > - rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data); > - } > - > - for (i = 0; i < init_attr->act_nr_rwqes_rq3 + 1; i++) { > - rwqe = ehea_get_next_rwqe(&qp, 3); > - rwqe->sg_list[0].l_key = lkey; > - index = EHEA_BMASK_GET(EHEA_WR_ID_INDEX, rwqe->wr_id); > - skb = skba_rq3[index]; > - if (skb) > - rwqe->sg_list[0].vaddr = ehea_map_vaddr(skb->data); > - } > -} > - > -static int ehea_restart_qps(struct net_device *dev) > -{ > - struct ehea_port *port = netdev_priv(dev); > - struct ehea_adapter *adapter = port->adapter; > - int ret = 0; > - int i; > - > - struct hcp_modify_qp_cb0 *cb0; > - u64 hret; > - u64 dummy64 = 0; > - u16 dummy16 = 0; > - > - cb0 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb0) > - return -ENOMEM; > - > - for (i = 0; i < (port->num_def_qps); i++) { > - struct ehea_port_res *pr = &port->port_res[i]; > - struct ehea_qp *qp = pr->qp; > - > - ret = ehea_gen_smrs(pr); > - if (ret) { > - netdev_err(dev, "creation of shared memory regions failed\n"); > - goto out; > - } > - > - ehea_update_rqs(qp, pr); > - > - /* Enable queue pair */ > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), > - cb0); > - if (hret != H_SUCCESS) { > - netdev_err(dev, "query_ehea_qp failed (1)\n"); > - ret = -EFAULT; > - goto out; > - } > - > - cb0->qp_ctl_reg = (cb0->qp_ctl_reg & H_QP_CR_RES_STATE) << 8; > - cb0->qp_ctl_reg |= H_QP_CR_ENABLED; > - > - hret = ehea_h_modify_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_QP_CTL_REG, > - 1), cb0, &dummy64, > - &dummy64, &dummy16, &dummy16); > - if (hret != H_SUCCESS) { > - netdev_err(dev, "modify_ehea_qp failed (1)\n"); > - ret = -EFAULT; > - goto out; > - } > - > - hret = ehea_h_query_ehea_qp(adapter->handle, 0, qp->fw_handle, > - EHEA_BMASK_SET(H_QPCB0_ALL, 0xFFFF), > - cb0); > - if (hret != H_SUCCESS) { > - netdev_err(dev, "query_ehea_qp failed (2)\n"); > - ret = -EFAULT; > - goto out; > - } > - > - /* refill entire queue */ > - ehea_refill_rq1(pr, pr->rq1_skba.index, 0); > - ehea_refill_rq2(pr, 0); > - ehea_refill_rq3(pr, 0); > - } > -out: > - free_page((unsigned long)cb0); > - > - return ret; > -} > - > -static void ehea_reset_port(struct work_struct *work) > -{ > - int ret; > - struct ehea_port *port = > - container_of(work, struct ehea_port, reset_task); > - struct net_device *dev = port->netdev; > - > - mutex_lock(&dlpar_mem_lock); > - port->resets++; > - mutex_lock(&port->port_lock); > - netif_tx_disable(dev); > - > - port_napi_disable(port); > - > - ehea_down(dev); > - > - ret = ehea_up(dev); > - if (ret) > - goto out; > - > - ehea_set_multicast_list(dev); > - > - netif_info(port, timer, dev, "reset successful\n"); > - > - port_napi_enable(port); > - > - netif_tx_wake_all_queues(dev); > -out: > - mutex_unlock(&port->port_lock); > - mutex_unlock(&dlpar_mem_lock); > -} > - > -static void ehea_rereg_mrs(void) > -{ > - int ret, i; > - struct ehea_adapter *adapter; > - > - pr_info("LPAR memory changed - re-initializing driver\n"); > - > - list_for_each_entry(adapter, &adapter_list, list) > - if (adapter->active_ports) { > - /* Shutdown all ports */ > - for (i = 0; i < EHEA_MAX_PORTS; i++) { > - struct ehea_port *port = adapter->port[i]; > - struct net_device *dev; > - > - if (!port) > - continue; > - > - dev = port->netdev; > - > - if (dev->flags & IFF_UP) { > - mutex_lock(&port->port_lock); > - netif_tx_disable(dev); > - ehea_flush_sq(port); > - ret = ehea_stop_qps(dev); > - if (ret) { > - mutex_unlock(&port->port_lock); > - goto out; > - } > - port_napi_disable(port); > - mutex_unlock(&port->port_lock); > - } > - reset_sq_restart_flag(port); > - } > - > - /* Unregister old memory region */ > - ret = ehea_rem_mr(&adapter->mr); > - if (ret) { > - pr_err("unregister MR failed - driver inoperable!\n"); > - goto out; > - } > - } > - > - clear_bit(__EHEA_STOP_XFER, &ehea_driver_flags); > - > - list_for_each_entry(adapter, &adapter_list, list) > - if (adapter->active_ports) { > - /* Register new memory region */ > - ret = ehea_reg_kernel_mr(adapter, &adapter->mr); > - if (ret) { > - pr_err("register MR failed - driver inoperable!\n"); > - goto out; > - } > - > - /* Restart all ports */ > - for (i = 0; i < EHEA_MAX_PORTS; i++) { > - struct ehea_port *port = adapter->port[i]; > - > - if (port) { > - struct net_device *dev = port->netdev; > - > - if (dev->flags & IFF_UP) { > - mutex_lock(&port->port_lock); > - ret = ehea_restart_qps(dev); > - if (!ret) { > - check_sqs(port); > - port_napi_enable(port); > - netif_tx_wake_all_queues(dev); > - } else { > - netdev_err(dev, "Unable to restart QPS\n"); > - } > - mutex_unlock(&port->port_lock); > - } > - } > - } > - } > - pr_info("re-initializing driver complete\n"); > -out: > - return; > -} > - > -static void ehea_tx_watchdog(struct net_device *dev, unsigned int txqueue) > -{ > - struct ehea_port *port = netdev_priv(dev); > - > - if (netif_carrier_ok(dev) && > - !test_bit(__EHEA_STOP_XFER, &ehea_driver_flags)) > - ehea_schedule_port_reset(port); > -} > - > -static int ehea_sense_adapter_attr(struct ehea_adapter *adapter) > -{ > - struct hcp_query_ehea *cb; > - u64 hret; > - int ret; > - > - cb = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb) { > - ret = -ENOMEM; > - goto out; > - } > - > - hret = ehea_h_query_ehea(adapter->handle, cb); > - > - if (hret != H_SUCCESS) { > - ret = -EIO; > - goto out_herr; > - } > - > - adapter->max_mc_mac = cb->max_mc_mac - 1; > - ret = 0; > - > -out_herr: > - free_page((unsigned long)cb); > -out: > - return ret; > -} > - > -static int ehea_get_jumboframe_status(struct ehea_port *port, int *jumbo) > -{ > - struct hcp_ehea_port_cb4 *cb4; > - u64 hret; > - int ret = 0; > - > - *jumbo = 0; > - > - /* (Try to) enable *jumbo frames */ > - cb4 = (void *)get_zeroed_page(GFP_KERNEL); > - if (!cb4) { > - pr_err("no mem for cb4\n"); > - ret = -ENOMEM; > - goto out; > - } else { > - hret = ehea_h_query_ehea_port(port->adapter->handle, > - port->logical_port_id, > - H_PORT_CB4, > - H_PORT_CB4_JUMBO, cb4); > - if (hret == H_SUCCESS) { > - if (cb4->jumbo_frame) > - *jumbo = 1; > - else { > - cb4->jumbo_frame = 1; > - hret = ehea_h_modify_ehea_port(port->adapter-> > - handle, > - port-> > - logical_port_id, > - H_PORT_CB4, > - H_PORT_CB4_JUMBO, > - cb4); > - if (hret == H_SUCCESS) > - *jumbo = 1; > - } > - } else > - ret = -EINVAL; > - > - free_page((unsigned long)cb4); > - } > -out: > - return ret; > -} > - > -static ssize_t log_port_id_show(struct device *dev, > - struct device_attribute *attr, char *buf) > -{ > - struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev); > - return sprintf(buf, "%d", port->logical_port_id); > -} > - > -static DEVICE_ATTR_RO(log_port_id); > - > -static void logical_port_release(struct device *dev) > -{ > - struct ehea_port *port = container_of(dev, struct ehea_port, ofdev.dev); > - of_node_put(port->ofdev.dev.of_node); > -} > - > -static struct device *ehea_register_port(struct ehea_port *port, > - struct device_node *dn) > -{ > - int ret; > - > - port->ofdev.dev.of_node = of_node_get(dn); > - port->ofdev.dev.parent = &port->adapter->ofdev->dev; > - port->ofdev.dev.bus = &ibmebus_bus_type; > - > - dev_set_name(&port->ofdev.dev, "port%d", port_name_cnt++); > - port->ofdev.dev.release = logical_port_release; > - > - ret = of_device_register(&port->ofdev); > - if (ret) { > - pr_err("failed to register device. ret=%d\n", ret); > - put_device(&port->ofdev.dev); > - goto out; > - } > - > - ret = device_create_file(&port->ofdev.dev, &dev_attr_log_port_id); > - if (ret) { > - pr_err("failed to register attributes, ret=%d\n", ret); > - goto out_unreg_of_dev; > - } > - > - return &port->ofdev.dev; > - > -out_unreg_of_dev: > - of_device_unregister(&port->ofdev); > -out: > - return NULL; > -} > - > -static void ehea_unregister_port(struct ehea_port *port) > -{ > - device_remove_file(&port->ofdev.dev, &dev_attr_log_port_id); > - of_device_unregister(&port->ofdev); > -} > - > -static const struct net_device_ops ehea_netdev_ops = { > - .ndo_open = ehea_open, > - .ndo_stop = ehea_stop, > - .ndo_start_xmit = ehea_start_xmit, > - .ndo_get_stats64 = ehea_get_stats64, > - .ndo_set_mac_address = ehea_set_mac_addr, > - .ndo_validate_addr = eth_validate_addr, > - .ndo_set_rx_mode = ehea_set_multicast_list, > - .ndo_vlan_rx_add_vid = ehea_vlan_rx_add_vid, > - .ndo_vlan_rx_kill_vid = ehea_vlan_rx_kill_vid, > - .ndo_tx_timeout = ehea_tx_watchdog, > -}; > - > -static struct ehea_port *ehea_setup_single_port(struct ehea_adapter *adapter, > - u32 logical_port_id, > - struct device_node *dn) > -{ > - int ret; > - struct net_device *dev; > - struct ehea_port *port; > - struct device *port_dev; > - int jumbo; > - > - /* allocate memory for the port structures */ > - dev = alloc_etherdev_mq(sizeof(struct ehea_port), EHEA_MAX_PORT_RES); > - > - if (!dev) { > - ret = -ENOMEM; > - goto out_err; > - } > - > - port = netdev_priv(dev); > - > - mutex_init(&port->port_lock); > - port->state = EHEA_PORT_DOWN; > - port->sig_comp_iv = sq_entries / 10; > - > - port->adapter = adapter; > - port->netdev = dev; > - port->logical_port_id = logical_port_id; > - > - port->msg_enable = netif_msg_init(msg_level, EHEA_MSG_DEFAULT); > - > - port->mc_list = kzalloc_obj(struct ehea_mc_list); > - if (!port->mc_list) { > - ret = -ENOMEM; > - goto out_free_ethdev; > - } > - > - INIT_LIST_HEAD(&port->mc_list->list); > - > - ret = ehea_sense_port_attr(port); > - if (ret) > - goto out_free_mc_list; > - > - netif_set_real_num_rx_queues(dev, port->num_def_qps); > - netif_set_real_num_tx_queues(dev, port->num_def_qps); > - > - port_dev = ehea_register_port(port, dn); > - if (!port_dev) > - goto out_free_mc_list; > - > - SET_NETDEV_DEV(dev, port_dev); > - > - /* initialize net_device structure */ > - eth_hw_addr_set(dev, (u8 *)&port->mac_addr); > - > - dev->netdev_ops = &ehea_netdev_ops; > - ehea_set_ethtool_ops(dev); > - > - dev->hw_features = NETIF_F_SG | NETIF_F_TSO | > - NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_CTAG_TX; > - dev->features = NETIF_F_SG | NETIF_F_TSO | > - NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | > - NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | > - NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_RXCSUM; > - dev->vlan_features = NETIF_F_SG | NETIF_F_TSO | NETIF_F_HIGHDMA | > - NETIF_F_IP_CSUM; > - dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT; > - > - /* MTU range: 68 - 9022 */ > - dev->min_mtu = ETH_MIN_MTU; > - dev->max_mtu = EHEA_MAX_PACKET_SIZE; > - > - INIT_WORK(&port->reset_task, ehea_reset_port); > - INIT_DELAYED_WORK(&port->stats_work, ehea_update_stats); > - > - init_waitqueue_head(&port->swqe_avail_wq); > - init_waitqueue_head(&port->restart_wq); > - > - ret = register_netdev(dev); > - if (ret) { > - pr_err("register_netdev failed. ret=%d\n", ret); > - goto out_unreg_port; > - } > - > - ret = ehea_get_jumboframe_status(port, &jumbo); > - if (ret) > - netdev_err(dev, "failed determining jumbo frame status\n"); > - > - netdev_info(dev, "Jumbo frames are %sabled\n", > - jumbo == 1 ? "en" : "dis"); > - > - adapter->active_ports++; > - > - return port; > - > -out_unreg_port: > - ehea_unregister_port(port); > - > -out_free_mc_list: > - kfree(port->mc_list); > - > -out_free_ethdev: > - free_netdev(dev); > - > -out_err: > - pr_err("setting up logical port with id=%d failed, ret=%d\n", > - logical_port_id, ret); > - return NULL; > -} > - > -static void ehea_shutdown_single_port(struct ehea_port *port) > -{ > - struct ehea_adapter *adapter = port->adapter; > - > - cancel_work_sync(&port->reset_task); > - cancel_delayed_work_sync(&port->stats_work); > - unregister_netdev(port->netdev); > - ehea_unregister_port(port); > - kfree(port->mc_list); > - free_netdev(port->netdev); > - adapter->active_ports--; > -} > - > -static int ehea_setup_ports(struct ehea_adapter *adapter) > -{ > - struct device_node *lhea_dn; > - struct device_node *eth_dn; > - > - const u32 *dn_log_port_id; > - int i = 0; > - > - lhea_dn = adapter->ofdev->dev.of_node; > - for_each_child_of_node(lhea_dn, eth_dn) { > - dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no", > - NULL); > - if (!dn_log_port_id) { > - pr_err("bad device node: eth_dn name=%pOF\n", eth_dn); > - continue; > - } > - > - if (ehea_add_adapter_mr(adapter)) { > - pr_err("creating MR failed\n"); > - of_node_put(eth_dn); > - return -EIO; > - } > - > - adapter->port[i] = ehea_setup_single_port(adapter, > - *dn_log_port_id, > - eth_dn); > - if (adapter->port[i]) > - netdev_info(adapter->port[i]->netdev, > - "logical port id #%d\n", *dn_log_port_id); > - else > - ehea_remove_adapter_mr(adapter); > - > - i++; > - } > - return 0; > -} > - > -static struct device_node *ehea_get_eth_dn(struct ehea_adapter *adapter, > - u32 logical_port_id) > -{ > - struct device_node *lhea_dn; > - struct device_node *eth_dn; > - const u32 *dn_log_port_id; > - > - lhea_dn = adapter->ofdev->dev.of_node; > - for_each_child_of_node(lhea_dn, eth_dn) { > - dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no", > - NULL); > - if (dn_log_port_id) > - if (*dn_log_port_id == logical_port_id) > - return eth_dn; > - } > - > - return NULL; > -} > - > -static ssize_t probe_port_store(struct device *dev, > - struct device_attribute *attr, > - const char *buf, size_t count) > -{ > - struct ehea_adapter *adapter = dev_get_drvdata(dev); > - struct ehea_port *port; > - struct device_node *eth_dn = NULL; > - int i; > - > - u32 logical_port_id; > - > - sscanf(buf, "%d", &logical_port_id); > - > - port = ehea_get_port(adapter, logical_port_id); > - > - if (port) { > - netdev_info(port->netdev, "adding port with logical port id=%d failed: port already configured\n", > - logical_port_id); > - return -EINVAL; > - } > - > - eth_dn = ehea_get_eth_dn(adapter, logical_port_id); > - > - if (!eth_dn) { > - pr_info("no logical port with id %d found\n", logical_port_id); > - return -EINVAL; > - } > - > - if (ehea_add_adapter_mr(adapter)) { > - pr_err("creating MR failed\n"); > - of_node_put(eth_dn); > - return -EIO; > - } > - > - port = ehea_setup_single_port(adapter, logical_port_id, eth_dn); > - > - of_node_put(eth_dn); > - > - if (port) { > - for (i = 0; i < EHEA_MAX_PORTS; i++) > - if (!adapter->port[i]) { > - adapter->port[i] = port; > - break; > - } > - > - netdev_info(port->netdev, "added: (logical port id=%d)\n", > - logical_port_id); > - } else { > - ehea_remove_adapter_mr(adapter); > - return -EIO; > - } > - > - return (ssize_t) count; > -} > - > -static ssize_t remove_port_store(struct device *dev, > - struct device_attribute *attr, > - const char *buf, size_t count) > -{ > - struct ehea_adapter *adapter = dev_get_drvdata(dev); > - struct ehea_port *port; > - int i; > - u32 logical_port_id; > - > - sscanf(buf, "%d", &logical_port_id); > - > - port = ehea_get_port(adapter, logical_port_id); > - > - if (port) { > - netdev_info(port->netdev, "removed: (logical port id=%d)\n", > - logical_port_id); > - > - ehea_shutdown_single_port(port); > - > - for (i = 0; i < EHEA_MAX_PORTS; i++) > - if (adapter->port[i] == port) { > - adapter->port[i] = NULL; > - break; > - } > - } else { > - pr_err("removing port with logical port id=%d failed. port not configured.\n", > - logical_port_id); > - return -EINVAL; > - } > - > - ehea_remove_adapter_mr(adapter); > - > - return (ssize_t) count; > -} > - > -static DEVICE_ATTR_WO(probe_port); > -static DEVICE_ATTR_WO(remove_port); > - > -static int ehea_create_device_sysfs(struct platform_device *dev) > -{ > - int ret = device_create_file(&dev->dev, &dev_attr_probe_port); > - if (ret) > - goto out; > - > - ret = device_create_file(&dev->dev, &dev_attr_remove_port); > - if (ret) > - device_remove_file(&dev->dev, &dev_attr_probe_port); > -out: > - return ret; > -} > - > -static void ehea_remove_device_sysfs(struct platform_device *dev) > -{ > - device_remove_file(&dev->dev, &dev_attr_probe_port); > - device_remove_file(&dev->dev, &dev_attr_remove_port); > -} > - > -static int ehea_reboot_notifier(struct notifier_block *nb, > - unsigned long action, void *unused) > -{ > - if (action == SYS_RESTART) { > - pr_info("Reboot: freeing all eHEA resources\n"); > - ibmebus_unregister_driver(&ehea_driver); > - } > - return NOTIFY_DONE; > -} > - > -static struct notifier_block ehea_reboot_nb = { > - .notifier_call = ehea_reboot_notifier, > -}; > - > -static int ehea_mem_notifier(struct notifier_block *nb, > - unsigned long action, void *data) > -{ > - int ret = NOTIFY_BAD; > - struct memory_notify *arg = data; > - > - mutex_lock(&dlpar_mem_lock); > - > - switch (action) { > - case MEM_CANCEL_OFFLINE: > - pr_info("memory offlining canceled"); > - fallthrough; /* re-add canceled memory block */ > - > - case MEM_ONLINE: > - pr_info("memory is going online"); > - set_bit(__EHEA_STOP_XFER, &ehea_driver_flags); > - if (ehea_add_sect_bmap(arg->start_pfn, arg->nr_pages)) > - goto out_unlock; > - ehea_rereg_mrs(); > - break; > - > - case MEM_GOING_OFFLINE: > - pr_info("memory is going offline"); > - set_bit(__EHEA_STOP_XFER, &ehea_driver_flags); > - if (ehea_rem_sect_bmap(arg->start_pfn, arg->nr_pages)) > - goto out_unlock; > - ehea_rereg_mrs(); > - break; > - > - default: > - break; > - } > - > - ehea_update_firmware_handles(); > - ret = NOTIFY_OK; > - > -out_unlock: > - mutex_unlock(&dlpar_mem_lock); > - return ret; > -} > - > -static struct notifier_block ehea_mem_nb = { > - .notifier_call = ehea_mem_notifier, > -}; > - > -static void ehea_crash_handler(void) > -{ > - int i; > - > - if (ehea_fw_handles.arr) > - for (i = 0; i < ehea_fw_handles.num_entries; i++) > - ehea_h_free_resource(ehea_fw_handles.arr[i].adh, > - ehea_fw_handles.arr[i].fwh, > - FORCE_FREE); > - > - if (ehea_bcmc_regs.arr) > - for (i = 0; i < ehea_bcmc_regs.num_entries; i++) > - ehea_h_reg_dereg_bcmc(ehea_bcmc_regs.arr[i].adh, > - ehea_bcmc_regs.arr[i].port_id, > - ehea_bcmc_regs.arr[i].reg_type, > - ehea_bcmc_regs.arr[i].macaddr, > - 0, H_DEREG_BCMC); > -} > - > -static atomic_t ehea_memory_hooks_registered; > - > -/* Register memory hooks on probe of first adapter */ > -static int ehea_register_memory_hooks(void) > -{ > - int ret = 0; > - > - if (atomic_inc_return(&ehea_memory_hooks_registered) > 1) > - return 0; > - > - ret = ehea_create_busmap(); > - if (ret) { > - pr_info("ehea_create_busmap failed\n"); > - goto out; > - } > - > - ret = register_reboot_notifier(&ehea_reboot_nb); > - if (ret) { > - pr_info("register_reboot_notifier failed\n"); > - goto out; > - } > - > - ret = register_memory_notifier(&ehea_mem_nb); > - if (ret) { > - pr_info("register_memory_notifier failed\n"); > - goto out2; > - } > - > - ret = crash_shutdown_register(ehea_crash_handler); > - if (ret) { > - pr_info("crash_shutdown_register failed\n"); > - goto out3; > - } > - > - return 0; > - > -out3: > - unregister_memory_notifier(&ehea_mem_nb); > -out2: > - unregister_reboot_notifier(&ehea_reboot_nb); > -out: > - atomic_dec(&ehea_memory_hooks_registered); > - return ret; > -} > - > -static void ehea_unregister_memory_hooks(void) > -{ > - /* Only remove the hooks if we've registered them */ > - if (atomic_read(&ehea_memory_hooks_registered) == 0) > - return; > - > - unregister_reboot_notifier(&ehea_reboot_nb); > - if (crash_shutdown_unregister(ehea_crash_handler)) > - pr_info("failed unregistering crash handler\n"); > - unregister_memory_notifier(&ehea_mem_nb); > -} > - > -static int ehea_probe_adapter(struct platform_device *dev) > -{ > - struct ehea_adapter *adapter; > - const u64 *adapter_handle; > - int ret; > - int i; > - > - ret = ehea_register_memory_hooks(); > - if (ret) > - return ret; > - > - if (!dev || !dev->dev.of_node) { > - pr_err("Invalid ibmebus device probed\n"); > - return -EINVAL; > - } > - > - adapter = devm_kzalloc(&dev->dev, sizeof(*adapter), GFP_KERNEL); > - if (!adapter) { > - ret = -ENOMEM; > - dev_err(&dev->dev, "no mem for ehea_adapter\n"); > - goto out; > - } > - > - list_add(&adapter->list, &adapter_list); > - > - adapter->ofdev = dev; > - > - adapter_handle = of_get_property(dev->dev.of_node, "ibm,hea-handle", > - NULL); > - if (adapter_handle) > - adapter->handle = *adapter_handle; > - > - if (!adapter->handle) { > - dev_err(&dev->dev, "failed getting handle for adapter" > - " '%pOF'\n", dev->dev.of_node); > - ret = -ENODEV; > - goto out_free_ad; > - } > - > - adapter->pd = EHEA_PD_ID; > - > - platform_set_drvdata(dev, adapter); > - > - > - /* initialize adapter and ports */ > - /* get adapter properties */ > - ret = ehea_sense_adapter_attr(adapter); > - if (ret) { > - dev_err(&dev->dev, "sense_adapter_attr failed: %d\n", ret); > - goto out_free_ad; > - } > - > - adapter->neq = ehea_create_eq(adapter, > - EHEA_NEQ, EHEA_MAX_ENTRIES_EQ, 1); > - if (!adapter->neq) { > - ret = -EIO; > - dev_err(&dev->dev, "NEQ creation failed\n"); > - goto out_free_ad; > - } > - > - tasklet_setup(&adapter->neq_tasklet, ehea_neq_tasklet); > - > - ret = ehea_create_device_sysfs(dev); > - if (ret) > - goto out_kill_eq; > - > - ret = ehea_setup_ports(adapter); > - if (ret) { > - dev_err(&dev->dev, "setup_ports failed\n"); > - goto out_rem_dev_sysfs; > - } > - > - ret = ibmebus_request_irq(adapter->neq->attr.ist1, > - ehea_interrupt_neq, 0, > - "ehea_neq", adapter); > - if (ret) { > - dev_err(&dev->dev, "requesting NEQ IRQ failed\n"); > - goto out_shutdown_ports; > - } > - > - /* Handle any events that might be pending. */ > - tasklet_hi_schedule(&adapter->neq_tasklet); > - > - ret = 0; > - goto out; > - > -out_shutdown_ports: > - for (i = 0; i < EHEA_MAX_PORTS; i++) > - if (adapter->port[i]) { > - ehea_shutdown_single_port(adapter->port[i]); > - adapter->port[i] = NULL; > - } > - > -out_rem_dev_sysfs: > - ehea_remove_device_sysfs(dev); > - > -out_kill_eq: > - ehea_destroy_eq(adapter->neq); > - > -out_free_ad: > - list_del(&adapter->list); > - > -out: > - ehea_update_firmware_handles(); > - > - return ret; > -} > - > -static void ehea_remove(struct platform_device *dev) > -{ > - struct ehea_adapter *adapter = platform_get_drvdata(dev); > - int i; > - > - for (i = 0; i < EHEA_MAX_PORTS; i++) > - if (adapter->port[i]) { > - ehea_shutdown_single_port(adapter->port[i]); > - adapter->port[i] = NULL; > - } > - > - ehea_remove_device_sysfs(dev); > - > - ibmebus_free_irq(adapter->neq->attr.ist1, adapter); > - tasklet_kill(&adapter->neq_tasklet); > - > - ehea_destroy_eq(adapter->neq); > - ehea_remove_adapter_mr(adapter); > - list_del(&adapter->list); > - > - ehea_update_firmware_handles(); > -} > - > -static int check_module_parm(void) > -{ > - int ret = 0; > - > - if ((rq1_entries < EHEA_MIN_ENTRIES_QP) || > - (rq1_entries > EHEA_MAX_ENTRIES_RQ1)) { > - pr_info("Bad parameter: rq1_entries\n"); > - ret = -EINVAL; > - } > - if ((rq2_entries < EHEA_MIN_ENTRIES_QP) || > - (rq2_entries > EHEA_MAX_ENTRIES_RQ2)) { > - pr_info("Bad parameter: rq2_entries\n"); > - ret = -EINVAL; > - } > - if ((rq3_entries < EHEA_MIN_ENTRIES_QP) || > - (rq3_entries > EHEA_MAX_ENTRIES_RQ3)) { > - pr_info("Bad parameter: rq3_entries\n"); > - ret = -EINVAL; > - } > - if ((sq_entries < EHEA_MIN_ENTRIES_QP) || > - (sq_entries > EHEA_MAX_ENTRIES_SQ)) { > - pr_info("Bad parameter: sq_entries\n"); > - ret = -EINVAL; > - } > - > - return ret; > -} > - > -static ssize_t capabilities_show(struct device_driver *drv, char *buf) > -{ > - return sprintf(buf, "%d", EHEA_CAPABILITIES); > -} > - > -static DRIVER_ATTR_RO(capabilities); > - > -static int __init ehea_module_init(void) > -{ > - int ret; > - > - pr_info("IBM eHEA ethernet device driver (Release %s)\n", DRV_VERSION); > - > - memset(&ehea_fw_handles, 0, sizeof(ehea_fw_handles)); > - memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs)); > - > - mutex_init(&ehea_fw_handles.lock); > - spin_lock_init(&ehea_bcmc_regs.lock); > - > - ret = check_module_parm(); > - if (ret) > - goto out; > - > - ret = ibmebus_register_driver(&ehea_driver); > - if (ret) { > - pr_err("failed registering eHEA device driver on ebus\n"); > - goto out; > - } > - > - ret = driver_create_file(&ehea_driver.driver, > - &driver_attr_capabilities); > - if (ret) { > - pr_err("failed to register capabilities attribute, ret=%d\n", > - ret); > - goto out2; > - } > - > - return ret; > - > -out2: > - ibmebus_unregister_driver(&ehea_driver); > -out: > - return ret; > -} > - > -static void __exit ehea_module_exit(void) > -{ > - driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities); > - ibmebus_unregister_driver(&ehea_driver); > - ehea_unregister_memory_hooks(); > - kfree(ehea_fw_handles.arr); > - kfree(ehea_bcmc_regs.arr); > - ehea_destroy_busmap(); > -} > - > -module_init(ehea_module_init); > -module_exit(ehea_module_exit); > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_phyp.c b/drivers/net/ethernet/ibm/ehea/ehea_phyp.c > deleted file mode 100644 > index e63716e139f5..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_phyp.c > +++ /dev/null > @@ -1,612 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-or-later > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.c > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt > - > -#include "ehea_phyp.h" > - > - > -static inline u16 get_order_of_qentries(u16 queue_entries) > -{ > - u8 ld = 1; /* logarithmus dualis */ > - while (((1U << ld) - 1) < queue_entries) > - ld++; > - return ld - 1; > -} > - > -/* Defines for H_CALL H_ALLOC_RESOURCE */ > -#define H_ALL_RES_TYPE_QP 1 > -#define H_ALL_RES_TYPE_CQ 2 > -#define H_ALL_RES_TYPE_EQ 3 > -#define H_ALL_RES_TYPE_MR 5 > -#define H_ALL_RES_TYPE_MW 6 > - > -static long ehea_plpar_hcall_norets(unsigned long opcode, > - unsigned long arg1, > - unsigned long arg2, > - unsigned long arg3, > - unsigned long arg4, > - unsigned long arg5, > - unsigned long arg6, > - unsigned long arg7) > -{ > - long ret; > - int i, sleep_msecs; > - > - for (i = 0; i < 5; i++) { > - ret = plpar_hcall_norets(opcode, arg1, arg2, arg3, arg4, > - arg5, arg6, arg7); > - > - if (H_IS_LONG_BUSY(ret)) { > - sleep_msecs = get_longbusy_msecs(ret); > - msleep_interruptible(sleep_msecs); > - continue; > - } > - > - if (ret < H_SUCCESS) > - pr_err("opcode=%lx ret=%lx" > - " arg1=%lx arg2=%lx arg3=%lx arg4=%lx" > - " arg5=%lx arg6=%lx arg7=%lx\n", > - opcode, ret, > - arg1, arg2, arg3, arg4, arg5, arg6, arg7); > - > - return ret; > - } > - > - return H_BUSY; > -} > - > -static long ehea_plpar_hcall9(unsigned long opcode, > - unsigned long *outs, /* array of 9 outputs */ > - unsigned long arg1, > - unsigned long arg2, > - unsigned long arg3, > - unsigned long arg4, > - unsigned long arg5, > - unsigned long arg6, > - unsigned long arg7, > - unsigned long arg8, > - unsigned long arg9) > -{ > - long ret; > - int i, sleep_msecs; > - u8 cb_cat; > - > - for (i = 0; i < 5; i++) { > - ret = plpar_hcall9(opcode, outs, > - arg1, arg2, arg3, arg4, arg5, > - arg6, arg7, arg8, arg9); > - > - if (H_IS_LONG_BUSY(ret)) { > - sleep_msecs = get_longbusy_msecs(ret); > - msleep_interruptible(sleep_msecs); > - continue; > - } > - > - cb_cat = EHEA_BMASK_GET(H_MEHEAPORT_CAT, arg2); > - > - if ((ret < H_SUCCESS) && !(((ret == H_AUTHORITY) > - && (opcode == H_MODIFY_HEA_PORT)) > - && (((cb_cat == H_PORT_CB4) && ((arg3 == H_PORT_CB4_JUMBO) > - || (arg3 == H_PORT_CB4_SPEED))) || ((cb_cat == H_PORT_CB7) > - && (arg3 == H_PORT_CB7_DUCQPN))))) > - pr_err("opcode=%lx ret=%lx" > - " arg1=%lx arg2=%lx arg3=%lx arg4=%lx" > - " arg5=%lx arg6=%lx arg7=%lx arg8=%lx" > - " arg9=%lx" > - " out1=%lx out2=%lx out3=%lx out4=%lx" > - " out5=%lx out6=%lx out7=%lx out8=%lx" > - " out9=%lx\n", > - opcode, ret, > - arg1, arg2, arg3, arg4, arg5, > - arg6, arg7, arg8, arg9, > - outs[0], outs[1], outs[2], outs[3], outs[4], > - outs[5], outs[6], outs[7], outs[8]); > - return ret; > - } > - > - return H_BUSY; > -} > - > -u64 ehea_h_query_ehea_qp(const u64 adapter_handle, const u8 qp_category, > - const u64 qp_handle, const u64 sel_mask, void *cb_addr) > -{ > - return ehea_plpar_hcall_norets(H_QUERY_HEA_QP, > - adapter_handle, /* R4 */ > - qp_category, /* R5 */ > - qp_handle, /* R6 */ > - sel_mask, /* R7 */ > - __pa(cb_addr), /* R8 */ > - 0, 0); > -} > - > -/* input param R5 */ > -#define H_ALL_RES_QP_EQPO EHEA_BMASK_IBM(9, 11) > -#define H_ALL_RES_QP_QPP EHEA_BMASK_IBM(12, 12) > -#define H_ALL_RES_QP_RQR EHEA_BMASK_IBM(13, 15) > -#define H_ALL_RES_QP_EQEG EHEA_BMASK_IBM(16, 16) > -#define H_ALL_RES_QP_LL_QP EHEA_BMASK_IBM(17, 17) > -#define H_ALL_RES_QP_DMA128 EHEA_BMASK_IBM(19, 19) > -#define H_ALL_RES_QP_HSM EHEA_BMASK_IBM(20, 21) > -#define H_ALL_RES_QP_SIGT EHEA_BMASK_IBM(22, 23) > -#define H_ALL_RES_QP_TENURE EHEA_BMASK_IBM(48, 55) > -#define H_ALL_RES_QP_RES_TYP EHEA_BMASK_IBM(56, 63) > - > -/* input param R9 */ > -#define H_ALL_RES_QP_TOKEN EHEA_BMASK_IBM(0, 31) > -#define H_ALL_RES_QP_PD EHEA_BMASK_IBM(32, 63) > - > -/* input param R10 */ > -#define H_ALL_RES_QP_MAX_SWQE EHEA_BMASK_IBM(4, 7) > -#define H_ALL_RES_QP_MAX_R1WQE EHEA_BMASK_IBM(12, 15) > -#define H_ALL_RES_QP_MAX_R2WQE EHEA_BMASK_IBM(20, 23) > -#define H_ALL_RES_QP_MAX_R3WQE EHEA_BMASK_IBM(28, 31) > -/* Max Send Scatter Gather Elements */ > -#define H_ALL_RES_QP_MAX_SSGE EHEA_BMASK_IBM(37, 39) > -#define H_ALL_RES_QP_MAX_R1SGE EHEA_BMASK_IBM(45, 47) > -/* Max Receive SG Elements RQ1 */ > -#define H_ALL_RES_QP_MAX_R2SGE EHEA_BMASK_IBM(53, 55) > -#define H_ALL_RES_QP_MAX_R3SGE EHEA_BMASK_IBM(61, 63) > - > -/* input param R11 */ > -#define H_ALL_RES_QP_SWQE_IDL EHEA_BMASK_IBM(0, 7) > -/* max swqe immediate data length */ > -#define H_ALL_RES_QP_PORT_NUM EHEA_BMASK_IBM(48, 63) > - > -/* input param R12 */ > -#define H_ALL_RES_QP_TH_RQ2 EHEA_BMASK_IBM(0, 15) > -/* Threshold RQ2 */ > -#define H_ALL_RES_QP_TH_RQ3 EHEA_BMASK_IBM(16, 31) > -/* Threshold RQ3 */ > - > -/* output param R6 */ > -#define H_ALL_RES_QP_ACT_SWQE EHEA_BMASK_IBM(0, 15) > -#define H_ALL_RES_QP_ACT_R1WQE EHEA_BMASK_IBM(16, 31) > -#define H_ALL_RES_QP_ACT_R2WQE EHEA_BMASK_IBM(32, 47) > -#define H_ALL_RES_QP_ACT_R3WQE EHEA_BMASK_IBM(48, 63) > - > -/* output param, R7 */ > -#define H_ALL_RES_QP_ACT_SSGE EHEA_BMASK_IBM(0, 7) > -#define H_ALL_RES_QP_ACT_R1SGE EHEA_BMASK_IBM(8, 15) > -#define H_ALL_RES_QP_ACT_R2SGE EHEA_BMASK_IBM(16, 23) > -#define H_ALL_RES_QP_ACT_R3SGE EHEA_BMASK_IBM(24, 31) > -#define H_ALL_RES_QP_ACT_SWQE_IDL EHEA_BMASK_IBM(32, 39) > - > -/* output param R8,R9 */ > -#define H_ALL_RES_QP_SIZE_SQ EHEA_BMASK_IBM(0, 31) > -#define H_ALL_RES_QP_SIZE_RQ1 EHEA_BMASK_IBM(32, 63) > -#define H_ALL_RES_QP_SIZE_RQ2 EHEA_BMASK_IBM(0, 31) > -#define H_ALL_RES_QP_SIZE_RQ3 EHEA_BMASK_IBM(32, 63) > - > -/* output param R11,R12 */ > -#define H_ALL_RES_QP_LIOBN_SQ EHEA_BMASK_IBM(0, 31) > -#define H_ALL_RES_QP_LIOBN_RQ1 EHEA_BMASK_IBM(32, 63) > -#define H_ALL_RES_QP_LIOBN_RQ2 EHEA_BMASK_IBM(0, 31) > -#define H_ALL_RES_QP_LIOBN_RQ3 EHEA_BMASK_IBM(32, 63) > - > -u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, > - struct ehea_qp_init_attr *init_attr, const u32 pd, > - u64 *qp_handle, struct h_epas *h_epas) > -{ > - u64 hret; > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - u64 allocate_controls = > - EHEA_BMASK_SET(H_ALL_RES_QP_EQPO, init_attr->low_lat_rq1 ? 1 : 0) > - | EHEA_BMASK_SET(H_ALL_RES_QP_QPP, 0) > - | EHEA_BMASK_SET(H_ALL_RES_QP_RQR, 6) /* rq1 & rq2 & rq3 */ > - | EHEA_BMASK_SET(H_ALL_RES_QP_EQEG, 0) /* EQE gen. disabled */ > - | EHEA_BMASK_SET(H_ALL_RES_QP_LL_QP, init_attr->low_lat_rq1) > - | EHEA_BMASK_SET(H_ALL_RES_QP_DMA128, 0) > - | EHEA_BMASK_SET(H_ALL_RES_QP_HSM, 0) > - | EHEA_BMASK_SET(H_ALL_RES_QP_SIGT, init_attr->signalingtype) > - | EHEA_BMASK_SET(H_ALL_RES_QP_RES_TYP, H_ALL_RES_TYPE_QP); > - > - u64 r9_reg = EHEA_BMASK_SET(H_ALL_RES_QP_PD, pd) > - | EHEA_BMASK_SET(H_ALL_RES_QP_TOKEN, init_attr->qp_token); > - > - u64 max_r10_reg = > - EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SWQE, > - get_order_of_qentries(init_attr->max_nr_send_wqes)) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1WQE, > - get_order_of_qentries(init_attr->max_nr_rwqes_rq1)) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2WQE, > - get_order_of_qentries(init_attr->max_nr_rwqes_rq2)) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3WQE, > - get_order_of_qentries(init_attr->max_nr_rwqes_rq3)) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_SSGE, init_attr->wqe_size_enc_sq) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R1SGE, > - init_attr->wqe_size_enc_rq1) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R2SGE, > - init_attr->wqe_size_enc_rq2) > - | EHEA_BMASK_SET(H_ALL_RES_QP_MAX_R3SGE, > - init_attr->wqe_size_enc_rq3); > - > - u64 r11_in = > - EHEA_BMASK_SET(H_ALL_RES_QP_SWQE_IDL, init_attr->swqe_imm_data_len) > - | EHEA_BMASK_SET(H_ALL_RES_QP_PORT_NUM, init_attr->port_nr); > - u64 threshold = > - EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ2, init_attr->rq2_threshold) > - | EHEA_BMASK_SET(H_ALL_RES_QP_TH_RQ3, init_attr->rq3_threshold); > - > - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, > - outs, > - adapter_handle, /* R4 */ > - allocate_controls, /* R5 */ > - init_attr->send_cq_handle, /* R6 */ > - init_attr->recv_cq_handle, /* R7 */ > - init_attr->aff_eq_handle, /* R8 */ > - r9_reg, /* R9 */ > - max_r10_reg, /* R10 */ > - r11_in, /* R11 */ > - threshold); /* R12 */ > - > - *qp_handle = outs[0]; > - init_attr->qp_nr = (u32)outs[1]; > - > - init_attr->act_nr_send_wqes = > - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_SWQE, outs[2]); > - init_attr->act_nr_rwqes_rq1 = > - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R1WQE, outs[2]); > - init_attr->act_nr_rwqes_rq2 = > - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R2WQE, outs[2]); > - init_attr->act_nr_rwqes_rq3 = > - (u16)EHEA_BMASK_GET(H_ALL_RES_QP_ACT_R3WQE, outs[2]); > - > - init_attr->act_wqe_size_enc_sq = init_attr->wqe_size_enc_sq; > - init_attr->act_wqe_size_enc_rq1 = init_attr->wqe_size_enc_rq1; > - init_attr->act_wqe_size_enc_rq2 = init_attr->wqe_size_enc_rq2; > - init_attr->act_wqe_size_enc_rq3 = init_attr->wqe_size_enc_rq3; > - > - init_attr->nr_sq_pages = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_SQ, outs[4]); > - init_attr->nr_rq1_pages = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ1, outs[4]); > - init_attr->nr_rq2_pages = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ2, outs[5]); > - init_attr->nr_rq3_pages = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_SIZE_RQ3, outs[5]); > - > - init_attr->liobn_sq = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_SQ, outs[7]); > - init_attr->liobn_rq1 = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ1, outs[7]); > - init_attr->liobn_rq2 = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ2, outs[8]); > - init_attr->liobn_rq3 = > - (u32)EHEA_BMASK_GET(H_ALL_RES_QP_LIOBN_RQ3, outs[8]); > - > - if (!hret) > - hcp_epas_ctor(h_epas, outs[6], outs[6]); > - > - return hret; > -} > - > -u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, > - struct ehea_cq_attr *cq_attr, > - u64 *cq_handle, struct h_epas *epas) > -{ > - u64 hret; > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, > - outs, > - adapter_handle, /* R4 */ > - H_ALL_RES_TYPE_CQ, /* R5 */ > - cq_attr->eq_handle, /* R6 */ > - cq_attr->cq_token, /* R7 */ > - cq_attr->max_nr_of_cqes, /* R8 */ > - 0, 0, 0, 0); /* R9-R12 */ > - > - *cq_handle = outs[0]; > - cq_attr->act_nr_of_cqes = outs[3]; > - cq_attr->nr_pages = outs[4]; > - > - if (!hret) > - hcp_epas_ctor(epas, outs[5], outs[6]); > - > - return hret; > -} > - > -/* Defines for H_CALL H_ALLOC_RESOURCE */ > -#define H_ALL_RES_TYPE_QP 1 > -#define H_ALL_RES_TYPE_CQ 2 > -#define H_ALL_RES_TYPE_EQ 3 > -#define H_ALL_RES_TYPE_MR 5 > -#define H_ALL_RES_TYPE_MW 6 > - > -/* input param R5 */ > -#define H_ALL_RES_EQ_NEQ EHEA_BMASK_IBM(0, 0) > -#define H_ALL_RES_EQ_NON_NEQ_ISN EHEA_BMASK_IBM(6, 7) > -#define H_ALL_RES_EQ_INH_EQE_GEN EHEA_BMASK_IBM(16, 16) > -#define H_ALL_RES_EQ_RES_TYPE EHEA_BMASK_IBM(56, 63) > -/* input param R6 */ > -#define H_ALL_RES_EQ_MAX_EQE EHEA_BMASK_IBM(32, 63) > - > -/* output param R6 */ > -#define H_ALL_RES_EQ_LIOBN EHEA_BMASK_IBM(32, 63) > - > -/* output param R7 */ > -#define H_ALL_RES_EQ_ACT_EQE EHEA_BMASK_IBM(32, 63) > - > -/* output param R8 */ > -#define H_ALL_RES_EQ_ACT_PS EHEA_BMASK_IBM(32, 63) > - > -/* output param R9 */ > -#define H_ALL_RES_EQ_ACT_EQ_IST_C EHEA_BMASK_IBM(30, 31) > -#define H_ALL_RES_EQ_ACT_EQ_IST_1 EHEA_BMASK_IBM(40, 63) > - > -/* output param R10 */ > -#define H_ALL_RES_EQ_ACT_EQ_IST_2 EHEA_BMASK_IBM(40, 63) > - > -/* output param R11 */ > -#define H_ALL_RES_EQ_ACT_EQ_IST_3 EHEA_BMASK_IBM(40, 63) > - > -/* output param R12 */ > -#define H_ALL_RES_EQ_ACT_EQ_IST_4 EHEA_BMASK_IBM(40, 63) > - > -u64 ehea_h_alloc_resource_eq(const u64 adapter_handle, > - struct ehea_eq_attr *eq_attr, u64 *eq_handle) > -{ > - u64 hret, allocate_controls; > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - /* resource type */ > - allocate_controls = > - EHEA_BMASK_SET(H_ALL_RES_EQ_RES_TYPE, H_ALL_RES_TYPE_EQ) > - | EHEA_BMASK_SET(H_ALL_RES_EQ_NEQ, eq_attr->type ? 1 : 0) > - | EHEA_BMASK_SET(H_ALL_RES_EQ_INH_EQE_GEN, !eq_attr->eqe_gen) > - | EHEA_BMASK_SET(H_ALL_RES_EQ_NON_NEQ_ISN, 1); > - > - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, > - outs, > - adapter_handle, /* R4 */ > - allocate_controls, /* R5 */ > - eq_attr->max_nr_of_eqes, /* R6 */ > - 0, 0, 0, 0, 0, 0); /* R7-R10 */ > - > - *eq_handle = outs[0]; > - eq_attr->act_nr_of_eqes = outs[3]; > - eq_attr->nr_pages = outs[4]; > - eq_attr->ist1 = outs[5]; > - eq_attr->ist2 = outs[6]; > - eq_attr->ist3 = outs[7]; > - eq_attr->ist4 = outs[8]; > - > - return hret; > -} > - > -u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, const u8 cat, > - const u64 qp_handle, const u64 sel_mask, > - void *cb_addr, u64 *inv_attr_id, u64 *proc_mask, > - u16 *out_swr, u16 *out_rwr) > -{ > - u64 hret; > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - hret = ehea_plpar_hcall9(H_MODIFY_HEA_QP, > - outs, > - adapter_handle, /* R4 */ > - (u64) cat, /* R5 */ > - qp_handle, /* R6 */ > - sel_mask, /* R7 */ > - __pa(cb_addr), /* R8 */ > - 0, 0, 0, 0); /* R9-R12 */ > - > - *inv_attr_id = outs[0]; > - *out_swr = outs[3]; > - *out_rwr = outs[4]; > - *proc_mask = outs[5]; > - > - return hret; > -} > - > -u64 ehea_h_register_rpage(const u64 adapter_handle, const u8 pagesize, > - const u8 queue_type, const u64 resource_handle, > - const u64 log_pageaddr, u64 count) > -{ > - u64 reg_control; > - > - reg_control = EHEA_BMASK_SET(H_REG_RPAGE_PAGE_SIZE, pagesize) > - | EHEA_BMASK_SET(H_REG_RPAGE_QT, queue_type); > - > - return ehea_plpar_hcall_norets(H_REGISTER_HEA_RPAGES, > - adapter_handle, /* R4 */ > - reg_control, /* R5 */ > - resource_handle, /* R6 */ > - log_pageaddr, /* R7 */ > - count, /* R8 */ > - 0, 0); /* R9-R10 */ > -} > - > -u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, > - const u64 vaddr_in, const u32 access_ctrl, const u32 pd, > - struct ehea_mr *mr) > -{ > - u64 hret; > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - hret = ehea_plpar_hcall9(H_REGISTER_SMR, > - outs, > - adapter_handle , /* R4 */ > - orig_mr_handle, /* R5 */ > - vaddr_in, /* R6 */ > - (((u64)access_ctrl) << 32ULL), /* R7 */ > - pd, /* R8 */ > - 0, 0, 0, 0); /* R9-R12 */ > - > - mr->handle = outs[0]; > - mr->lkey = (u32)outs[2]; > - > - return hret; > -} > - > -u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle) > -{ > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - return ehea_plpar_hcall9(H_DISABLE_AND_GET_HEA, > - outs, > - adapter_handle, /* R4 */ > - H_DISABLE_GET_EHEA_WQE_P, /* R5 */ > - qp_handle, /* R6 */ > - 0, 0, 0, 0, 0, 0); /* R7-R12 */ > -} > - > -u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, > - u64 force_bit) > -{ > - return ehea_plpar_hcall_norets(H_FREE_RESOURCE, > - adapter_handle, /* R4 */ > - res_handle, /* R5 */ > - force_bit, > - 0, 0, 0, 0); /* R7-R10 */ > -} > - > -u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, > - const u64 length, const u32 access_ctrl, > - const u32 pd, u64 *mr_handle, u32 *lkey) > -{ > - u64 hret; > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - > - hret = ehea_plpar_hcall9(H_ALLOC_HEA_RESOURCE, > - outs, > - adapter_handle, /* R4 */ > - 5, /* R5 */ > - vaddr, /* R6 */ > - length, /* R7 */ > - (((u64) access_ctrl) << 32ULL), /* R8 */ > - pd, /* R9 */ > - 0, 0, 0); /* R10-R12 */ > - > - *mr_handle = outs[0]; > - *lkey = (u32)outs[2]; > - return hret; > -} > - > -u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle, > - const u8 pagesize, const u8 queue_type, > - const u64 log_pageaddr, const u64 count) > -{ > - if ((count > 1) && (log_pageaddr & ~PAGE_MASK)) { > - pr_err("not on pageboundary\n"); > - return H_PARAMETER; > - } > - > - return ehea_h_register_rpage(adapter_handle, pagesize, > - queue_type, mr_handle, > - log_pageaddr, count); > -} > - > -u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr) > -{ > - u64 hret, cb_logaddr; > - > - cb_logaddr = __pa(cb_addr); > - > - hret = ehea_plpar_hcall_norets(H_QUERY_HEA, > - adapter_handle, /* R4 */ > - cb_logaddr, /* R5 */ > - 0, 0, 0, 0, 0); /* R6-R10 */ > -#ifdef DEBUG > - ehea_dump(cb_addr, sizeof(struct hcp_query_ehea), "hcp_query_ehea"); > -#endif > - return hret; > -} > - > -u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num, > - const u8 cb_cat, const u64 select_mask, > - void *cb_addr) > -{ > - u64 port_info; > - u64 cb_logaddr = __pa(cb_addr); > - u64 arr_index = 0; > - > - port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat) > - | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num); > - > - return ehea_plpar_hcall_norets(H_QUERY_HEA_PORT, > - adapter_handle, /* R4 */ > - port_info, /* R5 */ > - select_mask, /* R6 */ > - arr_index, /* R7 */ > - cb_logaddr, /* R8 */ > - 0, 0); /* R9-R10 */ > -} > - > -u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num, > - const u8 cb_cat, const u64 select_mask, > - void *cb_addr) > -{ > - unsigned long outs[PLPAR_HCALL9_BUFSIZE]; > - u64 port_info; > - u64 arr_index = 0; > - u64 cb_logaddr = __pa(cb_addr); > - > - port_info = EHEA_BMASK_SET(H_MEHEAPORT_CAT, cb_cat) > - | EHEA_BMASK_SET(H_MEHEAPORT_PN, port_num); > -#ifdef DEBUG > - ehea_dump(cb_addr, sizeof(struct hcp_ehea_port_cb0), "Before HCALL"); > -#endif > - return ehea_plpar_hcall9(H_MODIFY_HEA_PORT, > - outs, > - adapter_handle, /* R4 */ > - port_info, /* R5 */ > - select_mask, /* R6 */ > - arr_index, /* R7 */ > - cb_logaddr, /* R8 */ > - 0, 0, 0, 0); /* R9-R12 */ > -} > - > -u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num, > - const u8 reg_type, const u64 mc_mac_addr, > - const u16 vlan_id, const u32 hcall_id) > -{ > - u64 r5_port_num, r6_reg_type, r7_mc_mac_addr, r8_vlan_id; > - u64 mac_addr = mc_mac_addr >> 16; > - > - r5_port_num = EHEA_BMASK_SET(H_REGBCMC_PN, port_num); > - r6_reg_type = EHEA_BMASK_SET(H_REGBCMC_REGTYPE, reg_type); > - r7_mc_mac_addr = EHEA_BMASK_SET(H_REGBCMC_MACADDR, mac_addr); > - r8_vlan_id = EHEA_BMASK_SET(H_REGBCMC_VLANID, vlan_id); > - > - return ehea_plpar_hcall_norets(hcall_id, > - adapter_handle, /* R4 */ > - r5_port_num, /* R5 */ > - r6_reg_type, /* R6 */ > - r7_mc_mac_addr, /* R7 */ > - r8_vlan_id, /* R8 */ > - 0, 0); /* R9-R12 */ > -} > - > -u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle, > - const u64 event_mask) > -{ > - return ehea_plpar_hcall_norets(H_RESET_EVENTS, > - adapter_handle, /* R4 */ > - neq_handle, /* R5 */ > - event_mask, /* R6 */ > - 0, 0, 0, 0); /* R7-R12 */ > -} > - > -u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle, > - void *rblock) > -{ > - return ehea_plpar_hcall_norets(H_ERROR_DATA, > - adapter_handle, /* R4 */ > - ressource_handle, /* R5 */ > - __pa(rblock), /* R6 */ > - 0, 0, 0, 0); /* R7-R12 */ > -} > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_phyp.h b/drivers/net/ethernet/ibm/ehea/ehea_phyp.h > deleted file mode 100644 > index e8b56c103410..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_phyp.h > +++ /dev/null > @@ -1,433 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0-or-later */ > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_phyp.h > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#ifndef __EHEA_PHYP_H__ > -#define __EHEA_PHYP_H__ > - > -#include > -#include > -#include "ehea.h" > -#include "ehea_hw.h" > - > -/* Some abbreviations used here: > - * > - * hcp_* - structures, variables and functions releated to Hypervisor Calls > - */ > - > -/* Number of pages which can be registered at once by H_REGISTER_HEA_RPAGES */ > -#define EHEA_MAX_RPAGE 512 > - > -/* Notification Event Queue (NEQ) Entry bit masks */ > -#define NEQE_EVENT_CODE EHEA_BMASK_IBM(2, 7) > -#define NEQE_PORTNUM EHEA_BMASK_IBM(32, 47) > -#define NEQE_PORT_UP EHEA_BMASK_IBM(16, 16) > -#define NEQE_EXTSWITCH_PORT_UP EHEA_BMASK_IBM(17, 17) > -#define NEQE_EXTSWITCH_PRIMARY EHEA_BMASK_IBM(18, 18) > -#define NEQE_PLID EHEA_BMASK_IBM(16, 47) > - > -/* Notification Event Codes */ > -#define EHEA_EC_PORTSTATE_CHG 0x30 > -#define EHEA_EC_ADAPTER_MALFUNC 0x32 > -#define EHEA_EC_PORT_MALFUNC 0x33 > - > -/* Notification Event Log Register (NELR) bit masks */ > -#define NELR_PORT_MALFUNC EHEA_BMASK_IBM(61, 61) > -#define NELR_ADAPTER_MALFUNC EHEA_BMASK_IBM(62, 62) > -#define NELR_PORTSTATE_CHG EHEA_BMASK_IBM(63, 63) > - > -static inline void hcp_epas_ctor(struct h_epas *epas, u64 paddr_kernel, > - u64 paddr_user) > -{ > - /* To support 64k pages we must round to 64k page boundary */ > - epas->kernel.addr = ioremap((paddr_kernel & PAGE_MASK), PAGE_SIZE) + > - (paddr_kernel & ~PAGE_MASK); > - epas->user.addr = paddr_user; > -} > - > -static inline void hcp_epas_dtor(struct h_epas *epas) > -{ > - if (epas->kernel.addr) > - iounmap((void __iomem *)((u64)epas->kernel.addr & PAGE_MASK)); > - > - epas->user.addr = 0; > - epas->kernel.addr = 0; > -} > - > -struct hcp_modify_qp_cb0 { > - u64 qp_ctl_reg; /* 00 */ > - u32 max_swqe; /* 02 */ > - u32 max_rwqe; /* 03 */ > - u32 port_nb; /* 04 */ > - u32 reserved0; /* 05 */ > - u64 qp_aer; /* 06 */ > - u64 qp_tenure; /* 08 */ > -}; > - > -/* Hcall Query/Modify Queue Pair Control Block 0 Selection Mask Bits */ > -#define H_QPCB0_ALL EHEA_BMASK_IBM(0, 5) > -#define H_QPCB0_QP_CTL_REG EHEA_BMASK_IBM(0, 0) > -#define H_QPCB0_MAX_SWQE EHEA_BMASK_IBM(1, 1) > -#define H_QPCB0_MAX_RWQE EHEA_BMASK_IBM(2, 2) > -#define H_QPCB0_PORT_NB EHEA_BMASK_IBM(3, 3) > -#define H_QPCB0_QP_AER EHEA_BMASK_IBM(4, 4) > -#define H_QPCB0_QP_TENURE EHEA_BMASK_IBM(5, 5) > - > -/* Queue Pair Control Register Status Bits */ > -#define H_QP_CR_ENABLED 0x8000000000000000ULL /* QP enabled */ > - /* QP States: */ > -#define H_QP_CR_STATE_RESET 0x0000010000000000ULL /* Reset */ > -#define H_QP_CR_STATE_INITIALIZED 0x0000020000000000ULL /* Initialized */ > -#define H_QP_CR_STATE_RDY2RCV 0x0000030000000000ULL /* Ready to recv */ > -#define H_QP_CR_STATE_RDY2SND 0x0000050000000000ULL /* Ready to send */ > -#define H_QP_CR_STATE_ERROR 0x0000800000000000ULL /* Error */ > -#define H_QP_CR_RES_STATE 0x0000007F00000000ULL /* Resultant state */ > - > -struct hcp_modify_qp_cb1 { > - u32 qpn; /* 00 */ > - u32 qp_asyn_ev_eq_nb; /* 01 */ > - u64 sq_cq_handle; /* 02 */ > - u64 rq_cq_handle; /* 04 */ > - /* sgel = scatter gather element */ > - u32 sgel_nb_sq; /* 06 */ > - u32 sgel_nb_rq1; /* 07 */ > - u32 sgel_nb_rq2; /* 08 */ > - u32 sgel_nb_rq3; /* 09 */ > -}; > - > -/* Hcall Query/Modify Queue Pair Control Block 1 Selection Mask Bits */ > -#define H_QPCB1_ALL EHEA_BMASK_IBM(0, 7) > -#define H_QPCB1_QPN EHEA_BMASK_IBM(0, 0) > -#define H_QPCB1_ASYN_EV_EQ_NB EHEA_BMASK_IBM(1, 1) > -#define H_QPCB1_SQ_CQ_HANDLE EHEA_BMASK_IBM(2, 2) > -#define H_QPCB1_RQ_CQ_HANDLE EHEA_BMASK_IBM(3, 3) > -#define H_QPCB1_SGEL_NB_SQ EHEA_BMASK_IBM(4, 4) > -#define H_QPCB1_SGEL_NB_RQ1 EHEA_BMASK_IBM(5, 5) > -#define H_QPCB1_SGEL_NB_RQ2 EHEA_BMASK_IBM(6, 6) > -#define H_QPCB1_SGEL_NB_RQ3 EHEA_BMASK_IBM(7, 7) > - > -struct hcp_query_ehea { > - u32 cur_num_qps; /* 00 */ > - u32 cur_num_cqs; /* 01 */ > - u32 cur_num_eqs; /* 02 */ > - u32 cur_num_mrs; /* 03 */ > - u32 auth_level; /* 04 */ > - u32 max_num_qps; /* 05 */ > - u32 max_num_cqs; /* 06 */ > - u32 max_num_eqs; /* 07 */ > - u32 max_num_mrs; /* 08 */ > - u32 reserved0; /* 09 */ > - u32 int_clock_freq; /* 10 */ > - u32 max_num_pds; /* 11 */ > - u32 max_num_addr_handles; /* 12 */ > - u32 max_num_cqes; /* 13 */ > - u32 max_num_wqes; /* 14 */ > - u32 max_num_sgel_rq1wqe; /* 15 */ > - u32 max_num_sgel_rq2wqe; /* 16 */ > - u32 max_num_sgel_rq3wqe; /* 17 */ > - u32 mr_page_size; /* 18 */ > - u32 reserved1; /* 19 */ > - u64 max_mr_size; /* 20 */ > - u64 reserved2; /* 22 */ > - u32 num_ports; /* 24 */ > - u32 reserved3; /* 25 */ > - u32 reserved4; /* 26 */ > - u32 reserved5; /* 27 */ > - u64 max_mc_mac; /* 28 */ > - u64 ehea_cap; /* 30 */ > - u32 max_isn_per_eq; /* 32 */ > - u32 max_num_neq; /* 33 */ > - u64 max_num_vlan_ids; /* 34 */ > - u32 max_num_port_group; /* 36 */ > - u32 max_num_phys_port; /* 37 */ > - > -}; > - > -/* Hcall Query/Modify Port Control Block defines */ > -#define H_PORT_CB0 0 > -#define H_PORT_CB1 1 > -#define H_PORT_CB2 2 > -#define H_PORT_CB3 3 > -#define H_PORT_CB4 4 > -#define H_PORT_CB5 5 > -#define H_PORT_CB6 6 > -#define H_PORT_CB7 7 > - > -struct hcp_ehea_port_cb0 { > - u64 port_mac_addr; > - u64 port_rc; > - u64 reserved0; > - u32 port_op_state; > - u32 port_speed; > - u32 ext_swport_op_state; > - u32 neg_tpf_prpf; > - u32 num_default_qps; > - u32 reserved1; > - u64 default_qpn_arr[16]; > -}; > - > -/* Hcall Query/Modify Port Control Block 0 Selection Mask Bits */ > -#define H_PORT_CB0_ALL EHEA_BMASK_IBM(0, 7) /* Set all bits */ > -#define H_PORT_CB0_MAC EHEA_BMASK_IBM(0, 0) /* MAC address */ > -#define H_PORT_CB0_PRC EHEA_BMASK_IBM(1, 1) /* Port Recv Control */ > -#define H_PORT_CB0_DEFQPNARRAY EHEA_BMASK_IBM(7, 7) /* Default QPN Array */ > - > -/* Hcall Query Port: Returned port speed values */ > -#define H_SPEED_10M_H 1 /* 10 Mbps, Half Duplex */ > -#define H_SPEED_10M_F 2 /* 10 Mbps, Full Duplex */ > -#define H_SPEED_100M_H 3 /* 100 Mbps, Half Duplex */ > -#define H_SPEED_100M_F 4 /* 100 Mbps, Full Duplex */ > -#define H_SPEED_1G_F 6 /* 1 Gbps, Full Duplex */ > -#define H_SPEED_10G_F 8 /* 10 Gbps, Full Duplex */ > - > -/* Port Receive Control Status Bits */ > -#define PXLY_RC_VALID EHEA_BMASK_IBM(49, 49) > -#define PXLY_RC_VLAN_XTRACT EHEA_BMASK_IBM(50, 50) > -#define PXLY_RC_TCP_6_TUPLE EHEA_BMASK_IBM(51, 51) > -#define PXLY_RC_UDP_6_TUPLE EHEA_BMASK_IBM(52, 52) > -#define PXLY_RC_TCP_3_TUPLE EHEA_BMASK_IBM(53, 53) > -#define PXLY_RC_TCP_2_TUPLE EHEA_BMASK_IBM(54, 54) > -#define PXLY_RC_LLC_SNAP EHEA_BMASK_IBM(55, 55) > -#define PXLY_RC_JUMBO_FRAME EHEA_BMASK_IBM(56, 56) > -#define PXLY_RC_FRAG_IP_PKT EHEA_BMASK_IBM(57, 57) > -#define PXLY_RC_TCP_UDP_CHKSUM EHEA_BMASK_IBM(58, 58) > -#define PXLY_RC_IP_CHKSUM EHEA_BMASK_IBM(59, 59) > -#define PXLY_RC_MAC_FILTER EHEA_BMASK_IBM(60, 60) > -#define PXLY_RC_UNTAG_FILTER EHEA_BMASK_IBM(61, 61) > -#define PXLY_RC_VLAN_TAG_FILTER EHEA_BMASK_IBM(62, 63) > - > -#define PXLY_RC_VLAN_FILTER 2 > -#define PXLY_RC_VLAN_PERM 0 > - > - > -#define H_PORT_CB1_ALL 0x8000000000000000ULL > - > -struct hcp_ehea_port_cb1 { > - u64 vlan_filter[64]; > -}; > - > -#define H_PORT_CB2_ALL 0xFFE0000000000000ULL > - > -struct hcp_ehea_port_cb2 { > - u64 rxo; > - u64 rxucp; > - u64 rxufd; > - u64 rxuerr; > - u64 rxftl; > - u64 rxmcp; > - u64 rxbcp; > - u64 txo; > - u64 txucp; > - u64 txmcp; > - u64 txbcp; > -}; > - > -struct hcp_ehea_port_cb3 { > - u64 vlan_bc_filter[64]; > - u64 vlan_mc_filter[64]; > - u64 vlan_un_filter[64]; > - u64 port_mac_hash_array[64]; > -}; > - > -#define H_PORT_CB4_ALL 0xF000000000000000ULL > -#define H_PORT_CB4_JUMBO 0x1000000000000000ULL > -#define H_PORT_CB4_SPEED 0x8000000000000000ULL > - > -struct hcp_ehea_port_cb4 { > - u32 port_speed; > - u32 pause_frame; > - u32 ens_port_op_state; > - u32 jumbo_frame; > - u32 ens_port_wrap; > -}; > - > -/* Hcall Query/Modify Port Control Block 5 Selection Mask Bits */ > -#define H_PORT_CB5_RCU 0x0001000000000000ULL > -#define PXS_RCU EHEA_BMASK_IBM(61, 63) > - > -struct hcp_ehea_port_cb5 { > - u64 prc; /* 00 */ > - u64 uaa; /* 01 */ > - u64 macvc; /* 02 */ > - u64 xpcsc; /* 03 */ > - u64 xpcsp; /* 04 */ > - u64 pcsid; /* 05 */ > - u64 xpcsst; /* 06 */ > - u64 pthlb; /* 07 */ > - u64 pthrb; /* 08 */ > - u64 pqu; /* 09 */ > - u64 pqd; /* 10 */ > - u64 prt; /* 11 */ > - u64 wsth; /* 12 */ > - u64 rcb; /* 13 */ > - u64 rcm; /* 14 */ > - u64 rcu; /* 15 */ > - u64 macc; /* 16 */ > - u64 pc; /* 17 */ > - u64 pst; /* 18 */ > - u64 ducqpn; /* 19 */ > - u64 mcqpn; /* 20 */ > - u64 mma; /* 21 */ > - u64 pmc0h; /* 22 */ > - u64 pmc0l; /* 23 */ > - u64 lbc; /* 24 */ > -}; > - > -#define H_PORT_CB6_ALL 0xFFFFFE7FFFFF8000ULL > - > -struct hcp_ehea_port_cb6 { > - u64 rxo; /* 00 */ > - u64 rx64; /* 01 */ > - u64 rx65; /* 02 */ > - u64 rx128; /* 03 */ > - u64 rx256; /* 04 */ > - u64 rx512; /* 05 */ > - u64 rx1024; /* 06 */ > - u64 rxbfcs; /* 07 */ > - u64 rxime; /* 08 */ > - u64 rxrle; /* 09 */ > - u64 rxorle; /* 10 */ > - u64 rxftl; /* 11 */ > - u64 rxjab; /* 12 */ > - u64 rxse; /* 13 */ > - u64 rxce; /* 14 */ > - u64 rxrf; /* 15 */ > - u64 rxfrag; /* 16 */ > - u64 rxuoc; /* 17 */ > - u64 rxcpf; /* 18 */ > - u64 rxsb; /* 19 */ > - u64 rxfd; /* 20 */ > - u64 rxoerr; /* 21 */ > - u64 rxaln; /* 22 */ > - u64 ducqpn; /* 23 */ > - u64 reserved0; /* 24 */ > - u64 rxmcp; /* 25 */ > - u64 rxbcp; /* 26 */ > - u64 txmcp; /* 27 */ > - u64 txbcp; /* 28 */ > - u64 txo; /* 29 */ > - u64 tx64; /* 30 */ > - u64 tx65; /* 31 */ > - u64 tx128; /* 32 */ > - u64 tx256; /* 33 */ > - u64 tx512; /* 34 */ > - u64 tx1024; /* 35 */ > - u64 txbfcs; /* 36 */ > - u64 txcpf; /* 37 */ > - u64 txlf; /* 38 */ > - u64 txrf; /* 39 */ > - u64 txime; /* 40 */ > - u64 txsc; /* 41 */ > - u64 txmc; /* 42 */ > - u64 txsqe; /* 43 */ > - u64 txdef; /* 44 */ > - u64 txlcol; /* 45 */ > - u64 txexcol; /* 46 */ > - u64 txcse; /* 47 */ > - u64 txbor; /* 48 */ > -}; > - > -#define H_PORT_CB7_DUCQPN 0x8000000000000000ULL > - > -struct hcp_ehea_port_cb7 { > - u64 def_uc_qpn; > -}; > - > -u64 ehea_h_query_ehea_qp(const u64 adapter_handle, > - const u8 qp_category, > - const u64 qp_handle, const u64 sel_mask, > - void *cb_addr); > - > -u64 ehea_h_modify_ehea_qp(const u64 adapter_handle, > - const u8 cat, > - const u64 qp_handle, > - const u64 sel_mask, > - void *cb_addr, > - u64 *inv_attr_id, > - u64 *proc_mask, u16 *out_swr, u16 *out_rwr); > - > -u64 ehea_h_alloc_resource_eq(const u64 adapter_handle, > - struct ehea_eq_attr *eq_attr, u64 *eq_handle); > - > -u64 ehea_h_alloc_resource_cq(const u64 adapter_handle, > - struct ehea_cq_attr *cq_attr, > - u64 *cq_handle, struct h_epas *epas); > - > -u64 ehea_h_alloc_resource_qp(const u64 adapter_handle, > - struct ehea_qp_init_attr *init_attr, > - const u32 pd, > - u64 *qp_handle, struct h_epas *h_epas); > - > -#define H_REG_RPAGE_PAGE_SIZE EHEA_BMASK_IBM(48, 55) > -#define H_REG_RPAGE_QT EHEA_BMASK_IBM(62, 63) > - > -u64 ehea_h_register_rpage(const u64 adapter_handle, > - const u8 pagesize, > - const u8 queue_type, > - const u64 resource_handle, > - const u64 log_pageaddr, u64 count); > - > -#define H_DISABLE_GET_EHEA_WQE_P 1 > -#define H_DISABLE_GET_SQ_WQE_P 2 > -#define H_DISABLE_GET_RQC 3 > - > -u64 ehea_h_disable_and_get_hea(const u64 adapter_handle, const u64 qp_handle); > - > -#define FORCE_FREE 1 > -#define NORMAL_FREE 0 > - > -u64 ehea_h_free_resource(const u64 adapter_handle, const u64 res_handle, > - u64 force_bit); > - > -u64 ehea_h_alloc_resource_mr(const u64 adapter_handle, const u64 vaddr, > - const u64 length, const u32 access_ctrl, > - const u32 pd, u64 *mr_handle, u32 *lkey); > - > -u64 ehea_h_register_rpage_mr(const u64 adapter_handle, const u64 mr_handle, > - const u8 pagesize, const u8 queue_type, > - const u64 log_pageaddr, const u64 count); > - > -u64 ehea_h_register_smr(const u64 adapter_handle, const u64 orig_mr_handle, > - const u64 vaddr_in, const u32 access_ctrl, const u32 pd, > - struct ehea_mr *mr); > - > -u64 ehea_h_query_ehea(const u64 adapter_handle, void *cb_addr); > - > -/* output param R5 */ > -#define H_MEHEAPORT_CAT EHEA_BMASK_IBM(40, 47) > -#define H_MEHEAPORT_PN EHEA_BMASK_IBM(48, 63) > - > -u64 ehea_h_query_ehea_port(const u64 adapter_handle, const u16 port_num, > - const u8 cb_cat, const u64 select_mask, > - void *cb_addr); > - > -u64 ehea_h_modify_ehea_port(const u64 adapter_handle, const u16 port_num, > - const u8 cb_cat, const u64 select_mask, > - void *cb_addr); > - > -#define H_REGBCMC_PN EHEA_BMASK_IBM(48, 63) > -#define H_REGBCMC_REGTYPE EHEA_BMASK_IBM(60, 63) > -#define H_REGBCMC_MACADDR EHEA_BMASK_IBM(16, 63) > -#define H_REGBCMC_VLANID EHEA_BMASK_IBM(52, 63) > - > -u64 ehea_h_reg_dereg_bcmc(const u64 adapter_handle, const u16 port_num, > - const u8 reg_type, const u64 mc_mac_addr, > - const u16 vlan_id, const u32 hcall_id); > - > -u64 ehea_h_reset_events(const u64 adapter_handle, const u64 neq_handle, > - const u64 event_mask); > - > -u64 ehea_h_error_data(const u64 adapter_handle, const u64 ressource_handle, > - void *rblock); > - > -#endif /* __EHEA_PHYP_H__ */ > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c b/drivers/net/ethernet/ibm/ehea/ehea_qmr.c > deleted file mode 100644 > index 60629a0032b2..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_qmr.c > +++ /dev/null > @@ -1,999 +0,0 @@ > -// SPDX-License-Identifier: GPL-2.0-or-later > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_qmr.c > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt > - > -#include > -#include > -#include "ehea.h" > -#include "ehea_phyp.h" > -#include "ehea_qmr.h" > - > -static struct ehea_bmap *ehea_bmap; > - > -static void *hw_qpageit_get_inc(struct hw_queue *queue) > -{ > - void *retvalue = hw_qeit_get(queue); > - > - queue->current_q_offset += queue->pagesize; > - if (queue->current_q_offset > queue->queue_length) { > - queue->current_q_offset -= queue->pagesize; > - retvalue = NULL; > - } else if (((u64) retvalue) & (EHEA_PAGESIZE-1)) { > - pr_err("not on pageboundary\n"); > - retvalue = NULL; > - } > - return retvalue; > -} > - > -static int hw_queue_ctor(struct hw_queue *queue, const u32 nr_of_pages, > - const u32 pagesize, const u32 qe_size) > -{ > - int pages_per_kpage = PAGE_SIZE / pagesize; > - int i, k; > - > - if ((pagesize > PAGE_SIZE) || (!pages_per_kpage)) { > - pr_err("pagesize conflict! kernel pagesize=%d, ehea pagesize=%d\n", > - (int)PAGE_SIZE, (int)pagesize); > - return -EINVAL; > - } > - > - queue->queue_length = nr_of_pages * pagesize; > - queue->queue_pages = kmalloc_array(nr_of_pages, sizeof(void *), > - GFP_KERNEL); > - if (!queue->queue_pages) > - return -ENOMEM; > - > - /* > - * allocate pages for queue: > - * outer loop allocates whole kernel pages (page aligned) and > - * inner loop divides a kernel page into smaller hea queue pages > - */ > - i = 0; > - while (i < nr_of_pages) { > - u8 *kpage = (u8 *)get_zeroed_page(GFP_KERNEL); > - if (!kpage) > - goto out_nomem; > - for (k = 0; k < pages_per_kpage && i < nr_of_pages; k++) { > - (queue->queue_pages)[i] = (struct ehea_page *)kpage; > - kpage += pagesize; > - i++; > - } > - } > - > - queue->current_q_offset = 0; > - queue->qe_size = qe_size; > - queue->pagesize = pagesize; > - queue->toggle_state = 1; > - > - return 0; > -out_nomem: > - for (i = 0; i < nr_of_pages; i += pages_per_kpage) { > - if (!(queue->queue_pages)[i]) > - break; > - free_page((unsigned long)(queue->queue_pages)[i]); > - } > - return -ENOMEM; > -} > - > -static void hw_queue_dtor(struct hw_queue *queue) > -{ > - int pages_per_kpage; > - int i, nr_pages; > - > - if (!queue || !queue->queue_pages) > - return; > - > - pages_per_kpage = PAGE_SIZE / queue->pagesize; > - > - nr_pages = queue->queue_length / queue->pagesize; > - > - for (i = 0; i < nr_pages; i += pages_per_kpage) > - free_page((unsigned long)(queue->queue_pages)[i]); > - > - kfree(queue->queue_pages); > -} > - > -struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, > - int nr_of_cqe, u64 eq_handle, u32 cq_token) > -{ > - struct ehea_cq *cq; > - u64 hret, rpage; > - u32 counter; > - int ret; > - void *vpage; > - > - cq = kzalloc_obj(*cq); > - if (!cq) > - goto out_nomem; > - > - cq->attr.max_nr_of_cqes = nr_of_cqe; > - cq->attr.cq_token = cq_token; > - cq->attr.eq_handle = eq_handle; > - > - cq->adapter = adapter; > - > - hret = ehea_h_alloc_resource_cq(adapter->handle, &cq->attr, > - &cq->fw_handle, &cq->epas); > - if (hret != H_SUCCESS) { > - pr_err("alloc_resource_cq failed\n"); > - goto out_freemem; > - } > - > - ret = hw_queue_ctor(&cq->hw_queue, cq->attr.nr_pages, > - EHEA_PAGESIZE, sizeof(struct ehea_cqe)); > - if (ret) > - goto out_freeres; > - > - for (counter = 0; counter < cq->attr.nr_pages; counter++) { > - vpage = hw_qpageit_get_inc(&cq->hw_queue); > - if (!vpage) { > - pr_err("hw_qpageit_get_inc failed\n"); > - goto out_kill_hwq; > - } > - > - rpage = __pa(vpage); > - hret = ehea_h_register_rpage(adapter->handle, > - 0, EHEA_CQ_REGISTER_ORIG, > - cq->fw_handle, rpage, 1); > - if (hret < H_SUCCESS) { > - pr_err("register_rpage_cq failed ehea_cq=%p hret=%llx counter=%i act_pages=%i\n", > - cq, hret, counter, cq->attr.nr_pages); > - goto out_kill_hwq; > - } > - > - if (counter == (cq->attr.nr_pages - 1)) { > - vpage = hw_qpageit_get_inc(&cq->hw_queue); > - > - if ((hret != H_SUCCESS) || (vpage)) { > - pr_err("registration of pages not complete hret=%llx\n", > - hret); > - goto out_kill_hwq; > - } > - } else { > - if (hret != H_PAGE_REGISTERED) { > - pr_err("CQ: registration of page failed hret=%llx\n", > - hret); > - goto out_kill_hwq; > - } > - } > - } > - > - hw_qeit_reset(&cq->hw_queue); > - ehea_reset_cq_ep(cq); > - ehea_reset_cq_n1(cq); > - > - return cq; > - > -out_kill_hwq: > - hw_queue_dtor(&cq->hw_queue); > - > -out_freeres: > - ehea_h_free_resource(adapter->handle, cq->fw_handle, FORCE_FREE); > - > -out_freemem: > - kfree(cq); > - > -out_nomem: > - return NULL; > -} > - > -static u64 ehea_destroy_cq_res(struct ehea_cq *cq, u64 force) > -{ > - u64 hret; > - u64 adapter_handle = cq->adapter->handle; > - > - /* deregister all previous registered pages */ > - hret = ehea_h_free_resource(adapter_handle, cq->fw_handle, force); > - if (hret != H_SUCCESS) > - return hret; > - > - hw_queue_dtor(&cq->hw_queue); > - kfree(cq); > - > - return hret; > -} > - > -int ehea_destroy_cq(struct ehea_cq *cq) > -{ > - u64 hret, aer, aerr; > - if (!cq) > - return 0; > - > - hcp_epas_dtor(&cq->epas); > - hret = ehea_destroy_cq_res(cq, NORMAL_FREE); > - if (hret == H_R_STATE) { > - ehea_error_data(cq->adapter, cq->fw_handle, &aer, &aerr); > - hret = ehea_destroy_cq_res(cq, FORCE_FREE); > - } > - > - if (hret != H_SUCCESS) { > - pr_err("destroy CQ failed\n"); > - return -EIO; > - } > - > - return 0; > -} > - > -struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter, > - const enum ehea_eq_type type, > - const u32 max_nr_of_eqes, const u8 eqe_gen) > -{ > - int ret, i; > - u64 hret, rpage; > - void *vpage; > - struct ehea_eq *eq; > - > - eq = kzalloc_obj(*eq); > - if (!eq) > - return NULL; > - > - eq->adapter = adapter; > - eq->attr.type = type; > - eq->attr.max_nr_of_eqes = max_nr_of_eqes; > - eq->attr.eqe_gen = eqe_gen; > - spin_lock_init(&eq->spinlock); > - > - hret = ehea_h_alloc_resource_eq(adapter->handle, > - &eq->attr, &eq->fw_handle); > - if (hret != H_SUCCESS) { > - pr_err("alloc_resource_eq failed\n"); > - goto out_freemem; > - } > - > - ret = hw_queue_ctor(&eq->hw_queue, eq->attr.nr_pages, > - EHEA_PAGESIZE, sizeof(struct ehea_eqe)); > - if (ret) { > - pr_err("can't allocate eq pages\n"); > - goto out_freeres; > - } > - > - for (i = 0; i < eq->attr.nr_pages; i++) { > - vpage = hw_qpageit_get_inc(&eq->hw_queue); > - if (!vpage) { > - pr_err("hw_qpageit_get_inc failed\n"); > - hret = H_RESOURCE; > - goto out_kill_hwq; > - } > - > - rpage = __pa(vpage); > - > - hret = ehea_h_register_rpage(adapter->handle, 0, > - EHEA_EQ_REGISTER_ORIG, > - eq->fw_handle, rpage, 1); > - > - if (i == (eq->attr.nr_pages - 1)) { > - /* last page */ > - vpage = hw_qpageit_get_inc(&eq->hw_queue); > - if ((hret != H_SUCCESS) || (vpage)) > - goto out_kill_hwq; > - > - } else { > - if (hret != H_PAGE_REGISTERED) > - goto out_kill_hwq; > - > - } > - } > - > - hw_qeit_reset(&eq->hw_queue); > - return eq; > - > -out_kill_hwq: > - hw_queue_dtor(&eq->hw_queue); > - > -out_freeres: > - ehea_h_free_resource(adapter->handle, eq->fw_handle, FORCE_FREE); > - > -out_freemem: > - kfree(eq); > - return NULL; > -} > - > -struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq) > -{ > - struct ehea_eqe *eqe; > - unsigned long flags; > - > - spin_lock_irqsave(&eq->spinlock, flags); > - eqe = hw_eqit_eq_get_inc_valid(&eq->hw_queue); > - spin_unlock_irqrestore(&eq->spinlock, flags); > - > - return eqe; > -} > - > -static u64 ehea_destroy_eq_res(struct ehea_eq *eq, u64 force) > -{ > - u64 hret; > - unsigned long flags; > - > - spin_lock_irqsave(&eq->spinlock, flags); > - > - hret = ehea_h_free_resource(eq->adapter->handle, eq->fw_handle, force); > - spin_unlock_irqrestore(&eq->spinlock, flags); > - > - if (hret != H_SUCCESS) > - return hret; > - > - hw_queue_dtor(&eq->hw_queue); > - kfree(eq); > - > - return hret; > -} > - > -int ehea_destroy_eq(struct ehea_eq *eq) > -{ > - u64 hret, aer, aerr; > - if (!eq) > - return 0; > - > - hcp_epas_dtor(&eq->epas); > - > - hret = ehea_destroy_eq_res(eq, NORMAL_FREE); > - if (hret == H_R_STATE) { > - ehea_error_data(eq->adapter, eq->fw_handle, &aer, &aerr); > - hret = ehea_destroy_eq_res(eq, FORCE_FREE); > - } > - > - if (hret != H_SUCCESS) { > - pr_err("destroy EQ failed\n"); > - return -EIO; > - } > - > - return 0; > -} > - > -/* allocates memory for a queue and registers pages in phyp */ > -static int ehea_qp_alloc_register(struct ehea_qp *qp, struct hw_queue *hw_queue, > - int nr_pages, int wqe_size, int act_nr_sges, > - struct ehea_adapter *adapter, int h_call_q_selector) > -{ > - u64 hret, rpage; > - int ret, cnt; > - void *vpage; > - > - ret = hw_queue_ctor(hw_queue, nr_pages, EHEA_PAGESIZE, wqe_size); > - if (ret) > - return ret; > - > - for (cnt = 0; cnt < nr_pages; cnt++) { > - vpage = hw_qpageit_get_inc(hw_queue); > - if (!vpage) { > - pr_err("hw_qpageit_get_inc failed\n"); > - goto out_kill_hwq; > - } > - rpage = __pa(vpage); > - hret = ehea_h_register_rpage(adapter->handle, > - 0, h_call_q_selector, > - qp->fw_handle, rpage, 1); > - if (hret < H_SUCCESS) { > - pr_err("register_rpage_qp failed\n"); > - goto out_kill_hwq; > - } > - } > - hw_qeit_reset(hw_queue); > - return 0; > - > -out_kill_hwq: > - hw_queue_dtor(hw_queue); > - return -EIO; > -} > - > -static inline u32 map_wqe_size(u8 wqe_enc_size) > -{ > - return 128 << wqe_enc_size; > -} > - > -struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, > - u32 pd, struct ehea_qp_init_attr *init_attr) > -{ > - int ret; > - u64 hret; > - struct ehea_qp *qp; > - u32 wqe_size_in_bytes_sq, wqe_size_in_bytes_rq1; > - u32 wqe_size_in_bytes_rq2, wqe_size_in_bytes_rq3; > - > - > - qp = kzalloc_obj(*qp); > - if (!qp) > - return NULL; > - > - qp->adapter = adapter; > - > - hret = ehea_h_alloc_resource_qp(adapter->handle, init_attr, pd, > - &qp->fw_handle, &qp->epas); > - if (hret != H_SUCCESS) { > - pr_err("ehea_h_alloc_resource_qp failed\n"); > - goto out_freemem; > - } > - > - wqe_size_in_bytes_sq = map_wqe_size(init_attr->act_wqe_size_enc_sq); > - wqe_size_in_bytes_rq1 = map_wqe_size(init_attr->act_wqe_size_enc_rq1); > - wqe_size_in_bytes_rq2 = map_wqe_size(init_attr->act_wqe_size_enc_rq2); > - wqe_size_in_bytes_rq3 = map_wqe_size(init_attr->act_wqe_size_enc_rq3); > - > - ret = ehea_qp_alloc_register(qp, &qp->hw_squeue, init_attr->nr_sq_pages, > - wqe_size_in_bytes_sq, > - init_attr->act_wqe_size_enc_sq, adapter, > - 0); > - if (ret) { > - pr_err("can't register for sq ret=%x\n", ret); > - goto out_freeres; > - } > - > - ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue1, > - init_attr->nr_rq1_pages, > - wqe_size_in_bytes_rq1, > - init_attr->act_wqe_size_enc_rq1, > - adapter, 1); > - if (ret) { > - pr_err("can't register for rq1 ret=%x\n", ret); > - goto out_kill_hwsq; > - } > - > - if (init_attr->rq_count > 1) { > - ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue2, > - init_attr->nr_rq2_pages, > - wqe_size_in_bytes_rq2, > - init_attr->act_wqe_size_enc_rq2, > - adapter, 2); > - if (ret) { > - pr_err("can't register for rq2 ret=%x\n", ret); > - goto out_kill_hwr1q; > - } > - } > - > - if (init_attr->rq_count > 2) { > - ret = ehea_qp_alloc_register(qp, &qp->hw_rqueue3, > - init_attr->nr_rq3_pages, > - wqe_size_in_bytes_rq3, > - init_attr->act_wqe_size_enc_rq3, > - adapter, 3); > - if (ret) { > - pr_err("can't register for rq3 ret=%x\n", ret); > - goto out_kill_hwr2q; > - } > - } > - > - qp->init_attr = *init_attr; > - > - return qp; > - > -out_kill_hwr2q: > - hw_queue_dtor(&qp->hw_rqueue2); > - > -out_kill_hwr1q: > - hw_queue_dtor(&qp->hw_rqueue1); > - > -out_kill_hwsq: > - hw_queue_dtor(&qp->hw_squeue); > - > -out_freeres: > - ehea_h_disable_and_get_hea(adapter->handle, qp->fw_handle); > - ehea_h_free_resource(adapter->handle, qp->fw_handle, FORCE_FREE); > - > -out_freemem: > - kfree(qp); > - return NULL; > -} > - > -static u64 ehea_destroy_qp_res(struct ehea_qp *qp, u64 force) > -{ > - u64 hret; > - struct ehea_qp_init_attr *qp_attr = &qp->init_attr; > - > - > - ehea_h_disable_and_get_hea(qp->adapter->handle, qp->fw_handle); > - hret = ehea_h_free_resource(qp->adapter->handle, qp->fw_handle, force); > - if (hret != H_SUCCESS) > - return hret; > - > - hw_queue_dtor(&qp->hw_squeue); > - hw_queue_dtor(&qp->hw_rqueue1); > - > - if (qp_attr->rq_count > 1) > - hw_queue_dtor(&qp->hw_rqueue2); > - if (qp_attr->rq_count > 2) > - hw_queue_dtor(&qp->hw_rqueue3); > - kfree(qp); > - > - return hret; > -} > - > -int ehea_destroy_qp(struct ehea_qp *qp) > -{ > - u64 hret, aer, aerr; > - if (!qp) > - return 0; > - > - hcp_epas_dtor(&qp->epas); > - > - hret = ehea_destroy_qp_res(qp, NORMAL_FREE); > - if (hret == H_R_STATE) { > - ehea_error_data(qp->adapter, qp->fw_handle, &aer, &aerr); > - hret = ehea_destroy_qp_res(qp, FORCE_FREE); > - } > - > - if (hret != H_SUCCESS) { > - pr_err("destroy QP failed\n"); > - return -EIO; > - } > - > - return 0; > -} > - > -static inline int ehea_calc_index(unsigned long i, unsigned long s) > -{ > - return (i >> s) & EHEA_INDEX_MASK; > -} > - > -static inline int ehea_init_top_bmap(struct ehea_top_bmap *ehea_top_bmap, > - int dir) > -{ > - if (!ehea_top_bmap->dir[dir]) { > - ehea_top_bmap->dir[dir] = > - kzalloc_obj(struct ehea_dir_bmap); > - if (!ehea_top_bmap->dir[dir]) > - return -ENOMEM; > - } > - return 0; > -} > - > -static inline int ehea_init_bmap(struct ehea_bmap *ehea_bmap, int top, int dir) > -{ > - if (!ehea_bmap->top[top]) { > - ehea_bmap->top[top] = > - kzalloc_obj(struct ehea_top_bmap); > - if (!ehea_bmap->top[top]) > - return -ENOMEM; > - } > - return ehea_init_top_bmap(ehea_bmap->top[top], dir); > -} > - > -static DEFINE_MUTEX(ehea_busmap_mutex); > -static unsigned long ehea_mr_len; > - > -#define EHEA_BUSMAP_ADD_SECT 1 > -#define EHEA_BUSMAP_REM_SECT 0 > - > -static void ehea_rebuild_busmap(void) > -{ > - u64 vaddr = EHEA_BUSMAP_START; > - int top, dir, idx; > - > - for (top = 0; top < EHEA_MAP_ENTRIES; top++) { > - struct ehea_top_bmap *ehea_top; > - int valid_dir_entries = 0; > - > - if (!ehea_bmap->top[top]) > - continue; > - ehea_top = ehea_bmap->top[top]; > - for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) { > - struct ehea_dir_bmap *ehea_dir; > - int valid_entries = 0; > - > - if (!ehea_top->dir[dir]) > - continue; > - valid_dir_entries++; > - ehea_dir = ehea_top->dir[dir]; > - for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) { > - if (!ehea_dir->ent[idx]) > - continue; > - valid_entries++; > - ehea_dir->ent[idx] = vaddr; > - vaddr += EHEA_SECTSIZE; > - } > - if (!valid_entries) { > - ehea_top->dir[dir] = NULL; > - kfree(ehea_dir); > - } > - } > - if (!valid_dir_entries) { > - ehea_bmap->top[top] = NULL; > - kfree(ehea_top); > - } > - } > -} > - > -static int ehea_update_busmap(unsigned long pfn, unsigned long nr_pages, int add) > -{ > - unsigned long i, start_section, end_section; > - > - if (!nr_pages) > - return 0; > - > - if (!ehea_bmap) { > - ehea_bmap = kzalloc_obj(struct ehea_bmap); > - if (!ehea_bmap) > - return -ENOMEM; > - } > - > - start_section = (pfn * PAGE_SIZE) / EHEA_SECTSIZE; > - end_section = start_section + ((nr_pages * PAGE_SIZE) / EHEA_SECTSIZE); > - /* Mark entries as valid or invalid only; address is assigned later */ > - for (i = start_section; i < end_section; i++) { > - u64 flag; > - int top = ehea_calc_index(i, EHEA_TOP_INDEX_SHIFT); > - int dir = ehea_calc_index(i, EHEA_DIR_INDEX_SHIFT); > - int idx = i & EHEA_INDEX_MASK; > - > - if (add) { > - int ret = ehea_init_bmap(ehea_bmap, top, dir); > - if (ret) > - return ret; > - flag = 1; /* valid */ > - ehea_mr_len += EHEA_SECTSIZE; > - } else { > - if (!ehea_bmap->top[top]) > - continue; > - if (!ehea_bmap->top[top]->dir[dir]) > - continue; > - flag = 0; /* invalid */ > - ehea_mr_len -= EHEA_SECTSIZE; > - } > - > - ehea_bmap->top[top]->dir[dir]->ent[idx] = flag; > - } > - ehea_rebuild_busmap(); /* Assign contiguous addresses for mr */ > - return 0; > -} > - > -int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages) > -{ > - int ret; > - > - mutex_lock(&ehea_busmap_mutex); > - ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_ADD_SECT); > - mutex_unlock(&ehea_busmap_mutex); > - return ret; > -} > - > -int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages) > -{ > - int ret; > - > - mutex_lock(&ehea_busmap_mutex); > - ret = ehea_update_busmap(pfn, nr_pages, EHEA_BUSMAP_REM_SECT); > - mutex_unlock(&ehea_busmap_mutex); > - return ret; > -} > - > -static int ehea_is_hugepage(unsigned long pfn) > -{ > - if (pfn & EHEA_HUGEPAGE_PFN_MASK) > - return 0; > - > - if (page_shift(pfn_to_page(pfn)) != EHEA_HUGEPAGESHIFT) > - return 0; > - > - return 1; > -} > - > -static int ehea_create_busmap_callback(unsigned long initial_pfn, > - unsigned long total_nr_pages, void *arg) > -{ > - int ret; > - unsigned long pfn, start_pfn, end_pfn, nr_pages; > - > - if ((total_nr_pages * PAGE_SIZE) < EHEA_HUGEPAGE_SIZE) > - return ehea_update_busmap(initial_pfn, total_nr_pages, > - EHEA_BUSMAP_ADD_SECT); > - > - /* Given chunk is >= 16GB -> check for hugepages */ > - start_pfn = initial_pfn; > - end_pfn = initial_pfn + total_nr_pages; > - pfn = start_pfn; > - > - while (pfn < end_pfn) { > - if (ehea_is_hugepage(pfn)) { > - /* Add mem found in front of the hugepage */ > - nr_pages = pfn - start_pfn; > - ret = ehea_update_busmap(start_pfn, nr_pages, > - EHEA_BUSMAP_ADD_SECT); > - if (ret) > - return ret; > - > - /* Skip the hugepage */ > - pfn += (EHEA_HUGEPAGE_SIZE / PAGE_SIZE); > - start_pfn = pfn; > - } else > - pfn += (EHEA_SECTSIZE / PAGE_SIZE); > - } > - > - /* Add mem found behind the hugepage(s) */ > - nr_pages = pfn - start_pfn; > - return ehea_update_busmap(start_pfn, nr_pages, EHEA_BUSMAP_ADD_SECT); > -} > - > -int ehea_create_busmap(void) > -{ > - int ret; > - > - mutex_lock(&ehea_busmap_mutex); > - ehea_mr_len = 0; > - ret = walk_system_ram_range(0, 1ULL << MAX_PHYSMEM_BITS, NULL, > - ehea_create_busmap_callback); > - mutex_unlock(&ehea_busmap_mutex); > - return ret; > -} > - > -void ehea_destroy_busmap(void) > -{ > - int top, dir; > - mutex_lock(&ehea_busmap_mutex); > - if (!ehea_bmap) > - goto out_destroy; > - > - for (top = 0; top < EHEA_MAP_ENTRIES; top++) { > - if (!ehea_bmap->top[top]) > - continue; > - > - for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) { > - if (!ehea_bmap->top[top]->dir[dir]) > - continue; > - > - kfree(ehea_bmap->top[top]->dir[dir]); > - } > - > - kfree(ehea_bmap->top[top]); > - } > - > - kfree(ehea_bmap); > - ehea_bmap = NULL; > -out_destroy: > - mutex_unlock(&ehea_busmap_mutex); > -} > - > -u64 ehea_map_vaddr(void *caddr) > -{ > - int top, dir, idx; > - unsigned long index, offset; > - > - if (!ehea_bmap) > - return EHEA_INVAL_ADDR; > - > - index = __pa(caddr) >> SECTION_SIZE_BITS; > - top = (index >> EHEA_TOP_INDEX_SHIFT) & EHEA_INDEX_MASK; > - if (!ehea_bmap->top[top]) > - return EHEA_INVAL_ADDR; > - > - dir = (index >> EHEA_DIR_INDEX_SHIFT) & EHEA_INDEX_MASK; > - if (!ehea_bmap->top[top]->dir[dir]) > - return EHEA_INVAL_ADDR; > - > - idx = index & EHEA_INDEX_MASK; > - if (!ehea_bmap->top[top]->dir[dir]->ent[idx]) > - return EHEA_INVAL_ADDR; > - > - offset = (unsigned long)caddr & (EHEA_SECTSIZE - 1); > - return ehea_bmap->top[top]->dir[dir]->ent[idx] | offset; > -} > - > -static inline void *ehea_calc_sectbase(int top, int dir, int idx) > -{ > - unsigned long ret = idx; > - ret |= dir << EHEA_DIR_INDEX_SHIFT; > - ret |= top << EHEA_TOP_INDEX_SHIFT; > - return __va(ret << SECTION_SIZE_BITS); > -} > - > -static u64 ehea_reg_mr_section(int top, int dir, int idx, u64 *pt, > - struct ehea_adapter *adapter, > - struct ehea_mr *mr) > -{ > - void *pg; > - u64 j, m, hret; > - unsigned long k = 0; > - u64 pt_abs = __pa(pt); > - > - void *sectbase = ehea_calc_sectbase(top, dir, idx); > - > - for (j = 0; j < (EHEA_PAGES_PER_SECTION / EHEA_MAX_RPAGE); j++) { > - > - for (m = 0; m < EHEA_MAX_RPAGE; m++) { > - pg = sectbase + ((k++) * EHEA_PAGESIZE); > - pt[m] = __pa(pg); > - } > - hret = ehea_h_register_rpage_mr(adapter->handle, mr->handle, 0, > - 0, pt_abs, EHEA_MAX_RPAGE); > - > - if ((hret != H_SUCCESS) && > - (hret != H_PAGE_REGISTERED)) { > - ehea_h_free_resource(adapter->handle, mr->handle, > - FORCE_FREE); > - pr_err("register_rpage_mr failed\n"); > - return hret; > - } > - } > - return hret; > -} > - > -static u64 ehea_reg_mr_sections(int top, int dir, u64 *pt, > - struct ehea_adapter *adapter, > - struct ehea_mr *mr) > -{ > - u64 hret = H_SUCCESS; > - int idx; > - > - for (idx = 0; idx < EHEA_MAP_ENTRIES; idx++) { > - if (!ehea_bmap->top[top]->dir[dir]->ent[idx]) > - continue; > - > - hret = ehea_reg_mr_section(top, dir, idx, pt, adapter, mr); > - if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) > - return hret; > - } > - return hret; > -} > - > -static u64 ehea_reg_mr_dir_sections(int top, u64 *pt, > - struct ehea_adapter *adapter, > - struct ehea_mr *mr) > -{ > - u64 hret = H_SUCCESS; > - int dir; > - > - for (dir = 0; dir < EHEA_MAP_ENTRIES; dir++) { > - if (!ehea_bmap->top[top]->dir[dir]) > - continue; > - > - hret = ehea_reg_mr_sections(top, dir, pt, adapter, mr); > - if ((hret != H_SUCCESS) && (hret != H_PAGE_REGISTERED)) > - return hret; > - } > - return hret; > -} > - > -int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr) > -{ > - int ret; > - u64 *pt; > - u64 hret; > - u32 acc_ctrl = EHEA_MR_ACC_CTRL; > - > - unsigned long top; > - > - pt = (void *)get_zeroed_page(GFP_KERNEL); > - if (!pt) { > - pr_err("no mem\n"); > - ret = -ENOMEM; > - goto out; > - } > - > - hret = ehea_h_alloc_resource_mr(adapter->handle, EHEA_BUSMAP_START, > - ehea_mr_len, acc_ctrl, adapter->pd, > - &mr->handle, &mr->lkey); > - > - if (hret != H_SUCCESS) { > - pr_err("alloc_resource_mr failed\n"); > - ret = -EIO; > - goto out; > - } > - > - if (!ehea_bmap) { > - ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); > - pr_err("no busmap available\n"); > - ret = -EIO; > - goto out; > - } > - > - for (top = 0; top < EHEA_MAP_ENTRIES; top++) { > - if (!ehea_bmap->top[top]) > - continue; > - > - hret = ehea_reg_mr_dir_sections(top, pt, adapter, mr); > - if((hret != H_PAGE_REGISTERED) && (hret != H_SUCCESS)) > - break; > - } > - > - if (hret != H_SUCCESS) { > - ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE); > - pr_err("registering mr failed\n"); > - ret = -EIO; > - goto out; > - } > - > - mr->vaddr = EHEA_BUSMAP_START; > - mr->adapter = adapter; > - ret = 0; > -out: > - free_page((unsigned long)pt); > - return ret; > -} > - > -int ehea_rem_mr(struct ehea_mr *mr) > -{ > - u64 hret; > - > - if (!mr || !mr->adapter) > - return -EINVAL; > - > - hret = ehea_h_free_resource(mr->adapter->handle, mr->handle, > - FORCE_FREE); > - if (hret != H_SUCCESS) { > - pr_err("destroy MR failed\n"); > - return -EIO; > - } > - > - return 0; > -} > - > -int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr, > - struct ehea_mr *shared_mr) > -{ > - u64 hret; > - > - hret = ehea_h_register_smr(adapter->handle, old_mr->handle, > - old_mr->vaddr, EHEA_MR_ACC_CTRL, > - adapter->pd, shared_mr); > - if (hret != H_SUCCESS) > - return -EIO; > - > - shared_mr->adapter = adapter; > - > - return 0; > -} > - > -static void print_error_data(u64 *data) > -{ > - int length; > - u64 type = EHEA_BMASK_GET(ERROR_DATA_TYPE, data[2]); > - u64 resource = data[1]; > - > - length = EHEA_BMASK_GET(ERROR_DATA_LENGTH, data[0]); > - > - if (length > EHEA_PAGESIZE) > - length = EHEA_PAGESIZE; > - > - if (type == EHEA_AER_RESTYPE_QP) > - pr_err("QP (resource=%llX) state: AER=0x%llX, AERR=0x%llX, port=%llX\n", > - resource, data[6], data[12], data[22]); > - else if (type == EHEA_AER_RESTYPE_CQ) > - pr_err("CQ (resource=%llX) state: AER=0x%llX\n", > - resource, data[6]); > - else if (type == EHEA_AER_RESTYPE_EQ) > - pr_err("EQ (resource=%llX) state: AER=0x%llX\n", > - resource, data[6]); > - > - ehea_dump(data, length, "error data"); > -} > - > -u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle, > - u64 *aer, u64 *aerr) > -{ > - unsigned long ret; > - u64 *rblock; > - u64 type = 0; > - > - rblock = (void *)get_zeroed_page(GFP_KERNEL); > - if (!rblock) { > - pr_err("Cannot allocate rblock memory\n"); > - goto out; > - } > - > - ret = ehea_h_error_data(adapter->handle, res_handle, rblock); > - > - if (ret == H_SUCCESS) { > - type = EHEA_BMASK_GET(ERROR_DATA_TYPE, rblock[2]); > - *aer = rblock[6]; > - *aerr = rblock[12]; > - print_error_data(rblock); > - } else if (ret == H_R_STATE) { > - pr_err("No error data available: %llX\n", res_handle); > - } else > - pr_err("Error data could not be fetched: %llX\n", res_handle); > - > - free_page((unsigned long)rblock); > -out: > - return type; > -} > diff --git a/drivers/net/ethernet/ibm/ehea/ehea_qmr.h b/drivers/net/ethernet/ibm/ehea/ehea_qmr.h > deleted file mode 100644 > index 7c7cccd820f7..000000000000 > --- a/drivers/net/ethernet/ibm/ehea/ehea_qmr.h > +++ /dev/null > @@ -1,390 +0,0 @@ > -/* SPDX-License-Identifier: GPL-2.0-or-later */ > -/* > - * linux/drivers/net/ethernet/ibm/ehea/ehea_qmr.h > - * > - * eHEA ethernet device driver for IBM eServer System p > - * > - * (C) Copyright IBM Corp. 2006 > - * > - * Authors: > - * Christoph Raisch > - * Jan-Bernd Themann > - * Thomas Klein > - */ > - > -#ifndef __EHEA_QMR_H__ > -#define __EHEA_QMR_H__ > - > -#include > -#include "ehea.h" > -#include "ehea_hw.h" > - > -/* > - * page size of ehea hardware queues > - */ > - > -#define EHEA_PAGESHIFT 12 > -#define EHEA_PAGESIZE (1UL << EHEA_PAGESHIFT) > -#define EHEA_SECTSIZE (1UL << 24) > -#define EHEA_PAGES_PER_SECTION (EHEA_SECTSIZE >> EHEA_PAGESHIFT) > -#define EHEA_HUGEPAGESHIFT 34 > -#define EHEA_HUGEPAGE_SIZE (1UL << EHEA_HUGEPAGESHIFT) > -#define EHEA_HUGEPAGE_PFN_MASK ((EHEA_HUGEPAGE_SIZE - 1) >> PAGE_SHIFT) > - > -#if ((1UL << SECTION_SIZE_BITS) < EHEA_SECTSIZE) > -#error eHEA module cannot work if kernel sectionsize < ehea sectionsize > -#endif > - > -/* Some abbreviations used here: > - * > - * WQE - Work Queue Entry > - * SWQE - Send Work Queue Entry > - * RWQE - Receive Work Queue Entry > - * CQE - Completion Queue Entry > - * EQE - Event Queue Entry > - * MR - Memory Region > - */ > - > -/* Use of WR_ID field for EHEA */ > -#define EHEA_WR_ID_COUNT EHEA_BMASK_IBM(0, 19) > -#define EHEA_WR_ID_TYPE EHEA_BMASK_IBM(20, 23) > -#define EHEA_SWQE2_TYPE 0x1 > -#define EHEA_SWQE3_TYPE 0x2 > -#define EHEA_RWQE2_TYPE 0x3 > -#define EHEA_RWQE3_TYPE 0x4 > -#define EHEA_WR_ID_INDEX EHEA_BMASK_IBM(24, 47) > -#define EHEA_WR_ID_REFILL EHEA_BMASK_IBM(48, 63) > - > -struct ehea_vsgentry { > - u64 vaddr; > - u32 l_key; > - u32 len; > -}; > - > -/* maximum number of sg entries allowed in a WQE */ > -#define EHEA_MAX_WQE_SG_ENTRIES 252 > -#define SWQE2_MAX_IMM (0xD0 - 0x30) > -#define SWQE3_MAX_IMM 224 > - > -/* tx control flags for swqe */ > -#define EHEA_SWQE_CRC 0x8000 > -#define EHEA_SWQE_IP_CHECKSUM 0x4000 > -#define EHEA_SWQE_TCP_CHECKSUM 0x2000 > -#define EHEA_SWQE_TSO 0x1000 > -#define EHEA_SWQE_SIGNALLED_COMPLETION 0x0800 > -#define EHEA_SWQE_VLAN_INSERT 0x0400 > -#define EHEA_SWQE_IMM_DATA_PRESENT 0x0200 > -#define EHEA_SWQE_DESCRIPTORS_PRESENT 0x0100 > -#define EHEA_SWQE_WRAP_CTL_REC 0x0080 > -#define EHEA_SWQE_WRAP_CTL_FORCE 0x0040 > -#define EHEA_SWQE_BIND 0x0020 > -#define EHEA_SWQE_PURGE 0x0010 > - > -/* sizeof(struct ehea_swqe) less the union */ > -#define SWQE_HEADER_SIZE 32 > - > -struct ehea_swqe { > - u64 wr_id; > - u16 tx_control; > - u16 vlan_tag; > - u8 reserved1; > - u8 ip_start; > - u8 ip_end; > - u8 immediate_data_length; > - u8 tcp_offset; > - u8 reserved2; > - u16 reserved2b; > - u8 wrap_tag; > - u8 descriptors; /* number of valid descriptors in WQE */ > - u16 reserved3; > - u16 reserved4; > - u16 mss; > - u32 reserved5; > - union { > - /* Send WQE Format 1 */ > - struct { > - struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES]; > - } no_immediate_data; > - > - /* Send WQE Format 2 */ > - struct { > - struct ehea_vsgentry sg_entry; > - /* 0x30 */ > - u8 immediate_data[SWQE2_MAX_IMM]; > - /* 0xd0 */ > - struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES-1]; > - } immdata_desc __packed; > - > - /* Send WQE Format 3 */ > - struct { > - u8 immediate_data[SWQE3_MAX_IMM]; > - } immdata_nodesc; > - } u; > -}; > - > -struct ehea_rwqe { > - u64 wr_id; /* work request ID */ > - u8 reserved1[5]; > - u8 data_segments; > - u16 reserved2; > - u64 reserved3; > - u64 reserved4; > - struct ehea_vsgentry sg_list[EHEA_MAX_WQE_SG_ENTRIES]; > -}; > - > -#define EHEA_CQE_VLAN_TAG_XTRACT 0x0400 > - > -#define EHEA_CQE_TYPE_RQ 0x60 > -#define EHEA_CQE_STAT_ERR_MASK 0x700F > -#define EHEA_CQE_STAT_FAT_ERR_MASK 0xF > -#define EHEA_CQE_BLIND_CKSUM 0x8000 > -#define EHEA_CQE_STAT_ERR_TCP 0x4000 > -#define EHEA_CQE_STAT_ERR_IP 0x2000 > -#define EHEA_CQE_STAT_ERR_CRC 0x1000 > - > -/* Defines which bad send cqe stati lead to a port reset */ > -#define EHEA_CQE_STAT_RESET_MASK 0x0002 > - > -struct ehea_cqe { > - u64 wr_id; /* work request ID from WQE */ > - u8 type; > - u8 valid; > - u16 status; > - u16 reserved1; > - u16 num_bytes_transfered; > - u16 vlan_tag; > - u16 inet_checksum_value; > - u8 reserved2; > - u8 header_length; > - u16 reserved3; > - u16 page_offset; > - u16 wqe_count; > - u32 qp_token; > - u32 timestamp; > - u32 reserved4; > - u64 reserved5[3]; > -}; > - > -#define EHEA_EQE_VALID EHEA_BMASK_IBM(0, 0) > -#define EHEA_EQE_IS_CQE EHEA_BMASK_IBM(1, 1) > -#define EHEA_EQE_IDENTIFIER EHEA_BMASK_IBM(2, 7) > -#define EHEA_EQE_QP_CQ_NUMBER EHEA_BMASK_IBM(8, 31) > -#define EHEA_EQE_QP_TOKEN EHEA_BMASK_IBM(32, 63) > -#define EHEA_EQE_CQ_TOKEN EHEA_BMASK_IBM(32, 63) > -#define EHEA_EQE_KEY EHEA_BMASK_IBM(32, 63) > -#define EHEA_EQE_PORT_NUMBER EHEA_BMASK_IBM(56, 63) > -#define EHEA_EQE_EQ_NUMBER EHEA_BMASK_IBM(48, 63) > -#define EHEA_EQE_SM_ID EHEA_BMASK_IBM(48, 63) > -#define EHEA_EQE_SM_MECH_NUMBER EHEA_BMASK_IBM(48, 55) > -#define EHEA_EQE_SM_PORT_NUMBER EHEA_BMASK_IBM(56, 63) > - > -#define EHEA_AER_RESTYPE_QP 0x8 > -#define EHEA_AER_RESTYPE_CQ 0x4 > -#define EHEA_AER_RESTYPE_EQ 0x3 > - > -/* Defines which affiliated errors lead to a port reset */ > -#define EHEA_AER_RESET_MASK 0xFFFFFFFFFEFFFFFFULL > -#define EHEA_AERR_RESET_MASK 0xFFFFFFFFFFFFFFFFULL > - > -struct ehea_eqe { > - u64 entry; > -}; > - > -#define ERROR_DATA_LENGTH EHEA_BMASK_IBM(52, 63) > -#define ERROR_DATA_TYPE EHEA_BMASK_IBM(0, 7) > - > -static inline void *hw_qeit_calc(struct hw_queue *queue, u64 q_offset) > -{ > - struct ehea_page *current_page; > - > - if (q_offset >= queue->queue_length) > - q_offset -= queue->queue_length; > - current_page = (queue->queue_pages)[q_offset >> EHEA_PAGESHIFT]; > - return ¤t_page->entries[q_offset & (EHEA_PAGESIZE - 1)]; > -} > - > -static inline void *hw_qeit_get(struct hw_queue *queue) > -{ > - return hw_qeit_calc(queue, queue->current_q_offset); > -} > - > -static inline void hw_qeit_inc(struct hw_queue *queue) > -{ > - queue->current_q_offset += queue->qe_size; > - if (queue->current_q_offset >= queue->queue_length) { > - queue->current_q_offset = 0; > - /* toggle the valid flag */ > - queue->toggle_state = (~queue->toggle_state) & 1; > - } > -} > - > -static inline void *hw_qeit_get_inc(struct hw_queue *queue) > -{ > - void *retvalue = hw_qeit_get(queue); > - hw_qeit_inc(queue); > - return retvalue; > -} > - > -static inline void *hw_qeit_get_inc_valid(struct hw_queue *queue) > -{ > - struct ehea_cqe *retvalue = hw_qeit_get(queue); > - u8 valid = retvalue->valid; > - void *pref; > - > - if ((valid >> 7) == (queue->toggle_state & 1)) { > - /* this is a good one */ > - hw_qeit_inc(queue); > - pref = hw_qeit_calc(queue, queue->current_q_offset); > - prefetch(pref); > - prefetch(pref + 128); > - } else > - retvalue = NULL; > - return retvalue; > -} > - > -static inline void *hw_qeit_get_valid(struct hw_queue *queue) > -{ > - struct ehea_cqe *retvalue = hw_qeit_get(queue); > - void *pref; > - u8 valid; > - > - pref = hw_qeit_calc(queue, queue->current_q_offset); > - prefetch(pref); > - prefetch(pref + 128); > - prefetch(pref + 256); > - valid = retvalue->valid; > - if (!((valid >> 7) == (queue->toggle_state & 1))) > - retvalue = NULL; > - return retvalue; > -} > - > -static inline void *hw_qeit_reset(struct hw_queue *queue) > -{ > - queue->current_q_offset = 0; > - return hw_qeit_get(queue); > -} > - > -static inline void *hw_qeit_eq_get_inc(struct hw_queue *queue) > -{ > - u64 last_entry_in_q = queue->queue_length - queue->qe_size; > - void *retvalue; > - > - retvalue = hw_qeit_get(queue); > - queue->current_q_offset += queue->qe_size; > - if (queue->current_q_offset > last_entry_in_q) { > - queue->current_q_offset = 0; > - queue->toggle_state = (~queue->toggle_state) & 1; > - } > - return retvalue; > -} > - > -static inline void *hw_eqit_eq_get_inc_valid(struct hw_queue *queue) > -{ > - void *retvalue = hw_qeit_get(queue); > - u32 qe = *(u8 *)retvalue; > - if ((qe >> 7) == (queue->toggle_state & 1)) > - hw_qeit_eq_get_inc(queue); > - else > - retvalue = NULL; > - return retvalue; > -} > - > -static inline struct ehea_rwqe *ehea_get_next_rwqe(struct ehea_qp *qp, > - int rq_nr) > -{ > - struct hw_queue *queue; > - > - if (rq_nr == 1) > - queue = &qp->hw_rqueue1; > - else if (rq_nr == 2) > - queue = &qp->hw_rqueue2; > - else > - queue = &qp->hw_rqueue3; > - > - return hw_qeit_get_inc(queue); > -} > - > -static inline struct ehea_swqe *ehea_get_swqe(struct ehea_qp *my_qp, > - int *wqe_index) > -{ > - struct hw_queue *queue = &my_qp->hw_squeue; > - struct ehea_swqe *wqe_p; > - > - *wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_SQ); > - wqe_p = hw_qeit_get_inc(&my_qp->hw_squeue); > - > - return wqe_p; > -} > - > -static inline void ehea_post_swqe(struct ehea_qp *my_qp, struct ehea_swqe *swqe) > -{ > - iosync(); > - ehea_update_sqa(my_qp, 1); > -} > - > -static inline struct ehea_cqe *ehea_poll_rq1(struct ehea_qp *qp, int *wqe_index) > -{ > - struct hw_queue *queue = &qp->hw_rqueue1; > - > - *wqe_index = (queue->current_q_offset) >> (7 + EHEA_SG_RQ1); > - return hw_qeit_get_valid(queue); > -} > - > -static inline void ehea_inc_cq(struct ehea_cq *cq) > -{ > - hw_qeit_inc(&cq->hw_queue); > -} > - > -static inline void ehea_inc_rq1(struct ehea_qp *qp) > -{ > - hw_qeit_inc(&qp->hw_rqueue1); > -} > - > -static inline struct ehea_cqe *ehea_poll_cq(struct ehea_cq *my_cq) > -{ > - return hw_qeit_get_valid(&my_cq->hw_queue); > -} > - > -#define EHEA_CQ_REGISTER_ORIG 0 > -#define EHEA_EQ_REGISTER_ORIG 0 > - > -enum ehea_eq_type { > - EHEA_EQ = 0, /* event queue */ > - EHEA_NEQ /* notification event queue */ > -}; > - > -struct ehea_eq *ehea_create_eq(struct ehea_adapter *adapter, > - enum ehea_eq_type type, > - const u32 length, const u8 eqe_gen); > - > -int ehea_destroy_eq(struct ehea_eq *eq); > - > -struct ehea_eqe *ehea_poll_eq(struct ehea_eq *eq); > - > -struct ehea_cq *ehea_create_cq(struct ehea_adapter *adapter, int cqe, > - u64 eq_handle, u32 cq_token); > - > -int ehea_destroy_cq(struct ehea_cq *cq); > - > -struct ehea_qp *ehea_create_qp(struct ehea_adapter *adapter, u32 pd, > - struct ehea_qp_init_attr *init_attr); > - > -int ehea_destroy_qp(struct ehea_qp *qp); > - > -int ehea_reg_kernel_mr(struct ehea_adapter *adapter, struct ehea_mr *mr); > - > -int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr, > - struct ehea_mr *shared_mr); > - > -int ehea_rem_mr(struct ehea_mr *mr); > - > -u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle, > - u64 *aer, u64 *aerr); > - > -int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages); > -int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages); > -int ehea_create_busmap(void); > -void ehea_destroy_busmap(void); > -u64 ehea_map_vaddr(void *caddr); > - > -#endif /* __EHEA_QMR_H__ */ > -- > 2.47.3 >