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-rw-r--r--drivers/net/ehea/Makefile6
-rw-r--r--drivers/net/ehea/ehea.h520
-rw-r--r--drivers/net/ehea/ehea_ethtool.c282
-rw-r--r--drivers/net/ehea/ehea_hw.h292
-rw-r--r--drivers/net/ehea/ehea_main.c3804
-rw-r--r--drivers/net/ehea/ehea_phyp.c626
-rw-r--r--drivers/net/ehea/ehea_phyp.h467
-rw-r--r--drivers/net/ehea/ehea_qmr.c1030
-rw-r--r--drivers/net/ehea/ehea_qmr.h403
9 files changed, 0 insertions, 7430 deletions
diff --git a/drivers/net/ehea/Makefile b/drivers/net/ehea/Makefile
deleted file mode 100644
index 775d9969b5c..00000000000
--- a/drivers/net/ehea/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-#
-# 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 ehea_phyp.o
-obj-$(CONFIG_EHEA) += ehea.o
-
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
deleted file mode 100644
index 8e745e74828..00000000000
--- a/drivers/net/ehea/ehea.h
+++ /dev/null
@@ -1,520 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __EHEA_H__
-#define __EHEA_H__
-
-#include <linux/module.h>
-#include <linux/ethtool.h>
-#include <linux/vmalloc.h>
-#include <linux/if_vlan.h>
-#include <linux/inet_lro.h>
-
-#include <asm/ibmebus.h>
-#include <asm/abs_addr.h>
-#include <asm/io.h>
-
-#define DRV_NAME "ehea"
-#define DRV_VERSION "EHEA_0106"
-
-/* 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
-#define EHEA_NUM_TX_QP 1
-#define EHEA_LRO_MAX_AGGR 64
-
-#ifdef EHEA_SMALL_QUEUES
-#define EHEA_MAX_CQE_COUNT 1023
-#define EHEA_DEF_ENTRIES_SQ 1023
-#define EHEA_DEF_ENTRIES_RQ1 4095
-#define EHEA_DEF_ENTRIES_RQ2 1023
-#define EHEA_DEF_ENTRIES_RQ3 1023
-#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 1522
-#define EHEA_L_PKT_SIZE 256 /* low latency */
-
-#define MAX_LRO_DESCRIPTORS 8
-
-/* Send completion signaling */
-
-/* Protection Domain Identifier */
-#define EHEA_PD_ID 0xaabcdeff
-
-#define EHEA_RQ2_THRESHOLD 1
-#define EHEA_RQ3_THRESHOLD 9 /* use RQ3 threshold of 1522 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 */
-
-#define ehea_info(fmt, args...) \
- printk(KERN_INFO DRV_NAME ": " fmt "\n", ## args)
-
-#define ehea_error(fmt, args...) \
- printk(KERN_ERR DRV_NAME ": Error in %s: " fmt "\n", __func__, ## args)
-
-#ifdef DEBUG
-#define ehea_debug(fmt, args...) \
- printk(KERN_DEBUG DRV_NAME ": " fmt, ## args)
-#else
-#define ehea_debug(fmt, args...) do {} while (0)
-#endif
-
-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 */
- spinlock_t xmit_lock;
- 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;
- spinlock_t netif_queue;
- int queue_stopped;
- 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;
- u32 poll_counter;
- struct net_lro_mgr lro_mgr;
- struct net_lro_desc lro_desc[MAX_LRO_DESCRIPTORS];
- 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 net_device_stats 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 vlan_group *vgrp;
- struct ehea_eq *qp_eq;
- struct work_struct reset_task;
- 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_tx_qps;
- int num_add_tx_qps;
- 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;
- u32 lro_max_aggr;
- 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);
-
-extern struct work_struct ehea_rereg_mr_task;
-
-#endif /* __EHEA_H__ */
diff --git a/drivers/net/ehea/ehea_ethtool.c b/drivers/net/ehea/ehea_ethtool.c
deleted file mode 100644
index 75b099ce49c..00000000000
--- a/drivers/net/ehea/ehea_ethtool.c
+++ /dev/null
@@ -1,282 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_ethtool.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include "ehea.h"
-#include "ehea_phyp.h"
-
-static int ehea_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct ehea_port *port = netdev_priv(dev);
- 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: cmd->speed = SPEED_10; break;
- case EHEA_SPEED_100M: cmd->speed = SPEED_100; break;
- case EHEA_SPEED_1G: cmd->speed = SPEED_1000; break;
- case EHEA_SPEED_10G: cmd->speed = SPEED_10000; break;
- }
- cmd->duplex = port->full_duplex == 1 ?
- DUPLEX_FULL : DUPLEX_HALF;
- } else {
- cmd->speed = -1;
- cmd->duplex = -1;
- }
-
- cmd->supported = (SUPPORTED_10000baseT_Full | SUPPORTED_1000baseT_Full
- | SUPPORTED_100baseT_Full | SUPPORTED_100baseT_Half
- | SUPPORTED_10baseT_Full | SUPPORTED_10baseT_Half
- | SUPPORTED_Autoneg | SUPPORTED_FIBRE);
-
- cmd->advertising = (ADVERTISED_10000baseT_Full | ADVERTISED_Autoneg
- | ADVERTISED_FIBRE);
-
- cmd->port = PORT_FIBRE;
- cmd->autoneg = port->autoneg == 1 ? AUTONEG_ENABLE : AUTONEG_DISABLE;
-
- return 0;
-}
-
-static int ehea_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct ehea_port *port = netdev_priv(dev);
- int ret = 0;
- u32 sp;
-
- if (cmd->autoneg == AUTONEG_ENABLE) {
- sp = EHEA_SPEED_AUTONEG;
- goto doit;
- }
-
- switch (cmd->speed) {
- case SPEED_10:
- if (cmd->duplex == DUPLEX_FULL)
- sp = H_SPEED_10M_F;
- else
- sp = H_SPEED_10M_H;
- break;
-
- case SPEED_100:
- if (cmd->duplex == DUPLEX_FULL)
- sp = H_SPEED_100M_F;
- else
- sp = H_SPEED_100M_H;
- break;
-
- case SPEED_1000:
- if (cmd->duplex == DUPLEX_FULL)
- sp = H_SPEED_1G_F;
- else
- ret = -EINVAL;
- break;
-
- case SPEED_10000:
- if (cmd->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)
- ehea_info("%s: Port speed successfully set: %dMbps "
- "%s Duplex",
- port->netdev->name, 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)
- ehea_info("%s: Port speed successfully set: %dMbps "
- "%s Duplex",
- port->netdev->name, port->port_speed,
- port->full_duplex == 1 ? "Full" : "Half");
- return ret;
-}
-
-static void ehea_get_drvinfo(struct net_device *dev,
- struct ethtool_drvinfo *info)
-{
- strlcpy(info->driver, DRV_NAME, sizeof(info->driver));
- strlcpy(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 u32 ehea_get_rx_csum(struct net_device *dev)
-{
- return 1;
-}
-
-static 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"},
- {"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"},
- {"LRO aggregated"},
- {"LRO flushed"},
- {"LRO no_desc"},
-};
-
-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, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp |= port->port_res[k].queue_stopped;
- data[i++] = tmp;
-
- for (k = 0; k < 8; k++)
- data[i++] = atomic_read(&port->port_res[k].swqe_avail);
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp |= port->port_res[k].lro_mgr.stats.aggregated;
- data[i++] = tmp;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp |= port->port_res[k].lro_mgr.stats.flushed;
- data[i++] = tmp;
-
- for (k = 0, tmp = 0; k < EHEA_MAX_PORT_RES; k++)
- tmp |= port->port_res[k].lro_mgr.stats.no_desc;
- data[i++] = tmp;
-
-}
-
-const struct ethtool_ops ehea_ethtool_ops = {
- .get_settings = ehea_get_settings,
- .get_drvinfo = ehea_get_drvinfo,
- .get_msglevel = ehea_get_msglevel,
- .set_msglevel = ehea_set_msglevel,
- .get_link = ethtool_op_get_link,
- .set_tso = ethtool_op_set_tso,
- .get_strings = ehea_get_strings,
- .get_sset_count = ehea_get_sset_count,
- .get_ethtool_stats = ehea_get_ethtool_stats,
- .get_rx_csum = ehea_get_rx_csum,
- .set_settings = ehea_set_settings,
- .nway_reset = ehea_nway_reset, /* Restart autonegotiation */
-};
-
-void ehea_set_ethtool_ops(struct net_device *netdev)
-{
- SET_ETHTOOL_OPS(netdev, &ehea_ethtool_ops);
-}
diff --git a/drivers/net/ehea/ehea_hw.h b/drivers/net/ehea/ehea_hw.h
deleted file mode 100644
index 567981b4b2c..00000000000
--- a/drivers/net/ehea/ehea_hw.h
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_hw.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#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_eq(epa, offset, value)\
- epa_store(epa, EQTEMM_OFFSET(offset), value)
-#define epa_load_eq(epa, offset)\
- epa_load(epa, EQTEMM_OFFSET(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))
-
-#define epa_store_qp(epa, offset, value)\
- epa_store(epa, QPTEMM_OFFSET(offset), value)
-#define epa_load_qp(epa, offset)\
- epa_load(epa, QPTEMM_OFFSET(offset))
-
-#define epa_store_qped(epa, offset, value)\
- epa_store(epa, QPEDMM_OFFSET(offset), value)
-#define epa_load_qped(epa, offset)\
- epa_load(epa, QPEDMM_OFFSET(offset))
-
-#define epa_store_mrmw(epa, offset, value)\
- epa_store(epa, MRMWMM_OFFSET(offset), value)
-#define epa_load_mrmw(epa, offset)\
- epa_load(epa, MRMWMM_OFFSET(offset))
-
-#define epa_store_base(epa, offset, value)\
- epa_store(epa, HCAGR_OFFSET(offset), value)
-#define epa_load_base(epa, offset)\
- epa_load(epa, HCAGR_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/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
deleted file mode 100644
index a84c389d3db..00000000000
--- a/drivers/net/ehea/ehea_main.c
+++ /dev/null
@@ -1,3804 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_main.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/in.h>
-#include <linux/ip.h>
-#include <linux/tcp.h>
-#include <linux/udp.h>
-#include <linux/if.h>
-#include <linux/list.h>
-#include <linux/slab.h>
-#include <linux/if_ether.h>
-#include <linux/notifier.h>
-#include <linux/reboot.h>
-#include <linux/memory.h>
-#include <asm/kexec.h>
-#include <linux/mutex.h>
-
-#include <net/ip.h>
-
-#include "ehea.h"
-#include "ehea_qmr.h"
-#include "ehea_phyp.h"
-
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Christoph Raisch <raisch@de.ibm.com>");
-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;
-static int use_lro;
-static int lro_max_aggr = EHEA_LRO_MAX_AGGR;
-static int num_tx_qps = EHEA_NUM_TX_QP;
-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_param(use_lro, int, 0);
-module_param(lro_max_aggr, int, 0);
-module_param(num_tx_qps, int, 0);
-
-MODULE_PARM_DESC(num_tx_qps, "Number of TX-QPS");
-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 = [6..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_RQ3) ")");
-MODULE_PARM_DESC(rq2_entries, "Number of entries for Receive Queue 2 "
- "[2^x - 1], x = [6..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_RQ2) ")");
-MODULE_PARM_DESC(rq1_entries, "Number of entries for Receive Queue 1 "
- "[2^x - 1], x = [6..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_RQ1) ")");
-MODULE_PARM_DESC(sq_entries, " Number of entries for the Send Queue "
- "[2^x - 1], x = [6..14]. Default = "
- __MODULE_STRING(EHEA_DEF_ENTRIES_SQ) ")");
-MODULE_PARM_DESC(use_mcs, " 0:NAPI, 1:Multiple receive queues, Default = 0 ");
-
-MODULE_PARM_DESC(lro_max_aggr, " LRO: Max packets to be aggregated. Default = "
- __MODULE_STRING(EHEA_LRO_MAX_AGGR));
-MODULE_PARM_DESC(use_lro, " Large Receive Offload, 1: enable, 0: disable, "
- "Default = 0");
-
-static int port_name_cnt;
-static LIST_HEAD(adapter_list);
-static unsigned long ehea_driver_flags;
-struct work_struct ehea_rereg_mr_task;
-static DEFINE_MUTEX(dlpar_mem_lock);
-struct ehea_fw_handle_array ehea_fw_handles;
-struct ehea_bcmc_reg_array ehea_bcmc_regs;
-
-
-static int __devinit ehea_probe_adapter(struct platform_device *dev,
- const struct of_device_id *id);
-
-static int __devexit ehea_remove(struct platform_device *dev);
-
-static struct of_device_id ehea_device_table[] = {
- {
- .name = "lhea",
- .compatible = "IBM,lhea",
- },
- {},
-};
-MODULE_DEVICE_TABLE(of, ehea_device_table);
-
-static struct of_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) {
- printk(DRV_NAME " %s adr=%p ofs=%04x %016llx %016llx\n", msg,
- deb, x, *((u64 *)&deb[0]), *((u64 *)&deb[8]));
- deb += 16;
- }
-}
-
-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 + port->num_add_tx_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 = kcalloc(num_fw_handles, sizeof(*arr), GFP_KERNEL);
- 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 + port->num_add_tx_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 = kcalloc(num_registrations, sizeof(*arr), 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_SCOPE_ALL |
- EHEA_BCMC_MULTICAST |
- EHEA_BCMC_UNTAGGED;
- 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_SCOPE_ALL |
- EHEA_BCMC_MULTICAST |
- EHEA_BCMC_VLANID_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 struct net_device_stats *ehea_get_stats(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct net_device_stats *stats = &port->stats;
- struct hcp_ehea_port_cb2 *cb2;
- u64 hret, rx_packets, tx_packets, rx_bytes = 0, tx_bytes = 0;
- int i;
-
- memset(stats, 0, sizeof(*stats));
-
- cb2 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb2) {
- ehea_error("no mem for cb2");
- goto out;
- }
-
- 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) {
- ehea_error("query_ehea_port failed");
- goto out_herr;
- }
-
- if (netif_msg_hw(port))
- ehea_dump(cb2, sizeof(*cb2), "net_device_stats");
-
- rx_packets = 0;
- 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;
- }
-
- tx_packets = 0;
- for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
- tx_packets += port->port_res[i].tx_packets;
- tx_bytes += port->port_res[i].tx_bytes;
- }
-
- stats->tx_packets = tx_packets;
- stats->multicast = cb2->rxmcp;
- stats->rx_errors = cb2->rxuerr;
- stats->rx_bytes = rx_bytes;
- stats->tx_bytes = tx_bytes;
- stats->rx_packets = rx_packets;
-
-out_herr:
- free_page((unsigned long)cb2);
-out:
- return stats;
-}
-
-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;
-
- for (i = 0; i < pr->rq1_skba.len; 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, nr_rq1a);
-}
-
-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) {
- ehea_info("%s: rq%i ran dry - no mem for skb",
- pr->port->netdev->name, rq_nr);
- ret = -ENOMEM;
- }
- break;
- }
-
- skb_arr[index] = skb;
- tmp_addr = ehea_map_vaddr(skb->data);
- if (tmp_addr == -1) {
- dev_kfree_skb(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)
-{
- 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;
-}
-
-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)) {
- ehea_error("Critical receive error for QP %d. "
- "Resetting port.", pr->qp->init_attr.qp_nr);
- ehea_dump(cqe, sizeof(*cqe), "CQE");
- }
- ehea_schedule_port_reset(pr->port);
- return 1;
- }
-
- return 0;
-}
-
-static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
- void **tcph, u64 *hdr_flags, void *priv)
-{
- struct ehea_cqe *cqe = priv;
- unsigned int ip_len;
- struct iphdr *iph;
-
- /* non tcp/udp packets */
- if (!cqe->header_length)
- return -1;
-
- /* non tcp packet */
- skb_reset_network_header(skb);
- iph = ip_hdr(skb);
- if (iph->protocol != IPPROTO_TCP)
- return -1;
-
- ip_len = ip_hdrlen(skb);
- skb_set_transport_header(skb, ip_len);
- *tcph = tcp_hdr(skb);
-
- /* check if ip header and tcp header are complete */
- if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
- return -1;
-
- *hdr_flags = LRO_IPV4 | LRO_TCP;
- *iphdr = iph;
-
- return 0;
-}
-
-static void ehea_proc_skb(struct ehea_port_res *pr, struct ehea_cqe *cqe,
- struct sk_buff *skb)
-{
- int vlan_extracted = ((cqe->status & EHEA_CQE_VLAN_TAG_XTRACT) &&
- pr->port->vgrp);
-
- if (use_lro) {
- if (vlan_extracted)
- lro_vlan_hwaccel_receive_skb(&pr->lro_mgr, skb,
- pr->port->vgrp,
- cqe->vlan_tag,
- cqe);
- else
- lro_receive_skb(&pr->lro_mgr, skb, cqe);
- } else {
- if (vlan_extracted)
- vlan_hwaccel_receive_skb(skb, pr->port->vgrp,
- cqe->vlan_tag);
- else
- netif_receive_skb(skb);
- }
-}
-
-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)) {
- if (netif_msg_rx_err(port))
- ehea_error("LL rq1: skb=NULL");
-
- 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);
- } else if (rq == 2) {
- /* RQ2 */
- skb = get_skb_by_index(skb_arr_rq2,
- skb_arr_rq2_len, cqe);
- if (unlikely(!skb)) {
- if (netif_msg_rx_err(port))
- ehea_error("rq2: skb=NULL");
- break;
- }
- ehea_fill_skb(dev, skb, cqe);
- processed_rq2++;
- } else {
- /* RQ3 */
- skb = get_skb_by_index(skb_arr_rq3,
- skb_arr_rq3_len, cqe);
- if (unlikely(!skb)) {
- if (netif_msg_rx_err(port))
- ehea_error("rq3: skb=NULL");
- break;
- }
- ehea_fill_skb(dev, skb, cqe);
- processed_rq3++;
- }
-
- processed_bytes += skb->len;
- ehea_proc_skb(pr, cqe, 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);
- }
- if (use_lro)
- lro_flush_all(&pr->lro_mgr);
-
- 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 + port->num_add_tx_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, k;
-
- for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- int ret;
- k = 0;
- 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) {
- ehea_error("HW/SW queues out of sync");
- 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;
- unsigned long flags;
-
- 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) {
- ehea_error("Bad send completion status=0x%04X",
- cqe->status);
-
- if (netif_msg_tx_err(pr->port))
- ehea_dump(cqe, sizeof(*cqe), "Send CQE");
-
- if (cqe->status & EHEA_CQE_STAT_RESET_MASK) {
- ehea_error("Resetting port");
- 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_kfree_skb(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);
-
- spin_lock_irqsave(&pr->netif_queue, flags);
-
- if (pr->queue_stopped && (atomic_read(&pr->swqe_avail)
- >= pr->swqe_refill_th)) {
- netif_wake_queue(pr->port->netdev);
- pr->queue_stopped = 0;
- }
- spin_unlock_irqrestore(&pr->netif_queue, flags);
- wake_up(&pr->port->swqe_avail_wq);
-
- return cqe;
-}
-
-#define EHEA_NAPI_POLL_NUM_BEFORE_IRQ 16
-#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 force_irq, wqe_index;
- int rx = 0;
-
- force_irq = (pr->poll_counter > EHEA_NAPI_POLL_NUM_BEFORE_IRQ);
- cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES);
-
- if (!force_irq)
- rx += ehea_proc_rwqes(dev, pr, budget - rx);
-
- while ((rx != budget) || force_irq) {
- pr->poll_counter = 0;
- force_irq = 0;
- 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_reschedule(napi))
- return rx;
-
- cqe_skb = ehea_proc_cqes(pr, EHEA_POLL_MAX_CQES);
- rx += ehea_proc_rwqes(dev, pr, budget - rx);
- }
-
- pr->poll_counter++;
- return rx;
-}
-
-#ifdef CONFIG_NET_POLL_CONTROLLER
-static void ehea_netpoll(struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- int i;
-
- for (i = 0; i < port->num_def_qps; i++)
- napi_schedule(&port->port_res[i].napi);
-}
-#endif
-
-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);
- ehea_error("QP aff_err: entry=0x%llx, token=0x%x",
- 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) {
- ehea_error("Resetting port");
- 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) {
- ehea_error("no mem for cb0");
- 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;
- }
-
- port->num_tx_qps = num_tx_qps;
-
- if (port->num_def_qps >= port->num_tx_qps)
- port->num_add_tx_qps = 0;
- else
- port->num_add_tx_qps = port->num_tx_qps - port->num_def_qps;
-
- 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) {
- ehea_error("no mem for cb4");
- 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 {
- ehea_error("Failed sensing port speed");
- ret = -EIO;
- }
- } else {
- if (hret == H_AUTHORITY) {
- ehea_info("Hypervisor denied setting port speed");
- ret = -EPERM;
- } else {
- ret = -EIO;
- ehea_error("Failed setting port speed");
- }
- }
- 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;
-
- ec = EHEA_BMASK_GET(NEQE_EVENT_CODE, eqe);
- portnum = EHEA_BMASK_GET(NEQE_PORTNUM, eqe);
- port = ehea_get_port(adapter, portnum);
-
- switch (ec) {
- case EHEA_EC_PORTSTATE_CHG: /* port state change */
-
- if (!port) {
- ehea_error("unknown portnum %x", portnum);
- break;
- }
-
- if (EHEA_BMASK_GET(NEQE_PORT_UP, eqe)) {
- if (!netif_carrier_ok(port->netdev)) {
- ret = ehea_sense_port_attr(port);
- if (ret) {
- ehea_error("failed resensing port "
- "attributes");
- break;
- }
-
- if (netif_msg_link(port))
- ehea_info("%s: Logical port up: %dMbps "
- "%s Duplex",
- port->netdev->name,
- port->port_speed,
- port->full_duplex ==
- 1 ? "Full" : "Half");
-
- netif_carrier_on(port->netdev);
- netif_wake_queue(port->netdev);
- }
- } else
- if (netif_carrier_ok(port->netdev)) {
- if (netif_msg_link(port))
- ehea_info("%s: Logical port down",
- port->netdev->name);
- netif_carrier_off(port->netdev);
- netif_stop_queue(port->netdev);
- }
-
- if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PORT_UP, eqe)) {
- port->phy_link = EHEA_PHY_LINK_UP;
- if (netif_msg_link(port))
- ehea_info("%s: Physical port up",
- port->netdev->name);
- if (prop_carrier_state)
- netif_carrier_on(port->netdev);
- } else {
- port->phy_link = EHEA_PHY_LINK_DOWN;
- if (netif_msg_link(port))
- ehea_info("%s: Physical port down",
- port->netdev->name);
- if (prop_carrier_state)
- netif_carrier_off(port->netdev);
- }
-
- if (EHEA_BMASK_GET(NEQE_EXTSWITCH_PRIMARY, eqe))
- ehea_info("External switch port is primary port");
- else
- ehea_info("External switch port is backup port");
-
- break;
- case EHEA_EC_ADAPTER_MALFUNC:
- ehea_error("Adapter malfunction");
- break;
- case EHEA_EC_PORT_MALFUNC:
- ehea_info("Port malfunction: Device: %s", port->netdev->name);
- netif_carrier_off(port->netdev);
- netif_stop_queue(port->netdev);
- break;
- default:
- ehea_error("unknown event code %x, eqe=0x%llX", ec, eqe);
- break;
- }
-}
-
-static void ehea_neq_tasklet(unsigned long data)
-{
- struct ehea_adapter *adapter = (struct ehea_adapter *)data;
- struct ehea_eqe *eqe;
- u64 event_mask;
-
- eqe = ehea_poll_eq(adapter->neq);
- ehea_debug("eqe=%p", eqe);
-
- while (eqe) {
- ehea_debug("*eqe=%lx", eqe->entry);
- ehea_parse_eqe(adapter, eqe->entry);
- eqe = ehea_poll_eq(adapter->neq);
- ehea_debug("next eqe=%p", 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, init_attr->act_nr_rwqes_rq1
- - init_attr->act_nr_rwqes_rq2
- - init_attr->act_nr_rwqes_rq3 - 1);
-
- 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,
- IRQF_DISABLED, port->int_aff_name, port);
- if (ret) {
- ehea_error("failed registering irq for qp_aff_irq_handler:"
- "ist=%X", port->qp_eq->attr.ist1);
- goto out_free_qpeq;
- }
-
- if (netif_msg_ifup(port))
- ehea_info("irq_handle 0x%X for function qp_aff_irq_handler "
- "registered", port->qp_eq->attr.ist1);
-
-
- for (i = 0; i < port->num_def_qps + port->num_add_tx_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,
- IRQF_DISABLED, pr->int_send_name,
- pr);
- if (ret) {
- ehea_error("failed registering irq for ehea_queue "
- "port_res_nr:%d, ist=%X", i,
- pr->eq->attr.ist1);
- goto out_free_req;
- }
- if (netif_msg_ifup(port))
- ehea_info("irq_handle 0x%X for function ehea_queue_int "
- "%d registered", 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 + port->num_add_tx_qps; i++) {
- pr = &port->port_res[i];
- ibmebus_free_irq(pr->eq->attr.ist1, pr);
- if (netif_msg_intr(port))
- ehea_info("free send irq for res %d with handle 0x%X",
- i, pr->eq->attr.ist1);
- }
-
- /* associated events */
- ibmebus_free_irq(port->qp_eq->attr.ist1, port);
- if (netif_msg_intr(port))
- ehea_info("associated event interrupt for handle 0x%X freed",
- 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;
-}
-
-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:
- ehea_error("Generating SMRS failed\n");
- return -EIO;
-}
-
-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 = rx_bytes;
- pr->tx_packets = tx_packets;
- pr->rx_bytes = rx_bytes;
- pr->rx_packets = rx_packets;
-
- pr->port = port;
- spin_lock_init(&pr->xmit_lock);
- spin_lock_init(&pr->netif_queue);
-
- pr->eq = ehea_create_eq(adapter, eq_type, EHEA_MAX_ENTRIES_EQ, 0);
- if (!pr->eq) {
- ehea_error("create_eq failed (eq)");
- 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) {
- ehea_error("create_cq failed (cq_recv)");
- 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) {
- ehea_error("create_cq failed (cq_send)");
- goto out_free;
- }
-
- if (netif_msg_ifup(port))
- ehea_info("Send CQ: act_nr_cqes=%d, Recv CQ: act_nr_cqes=%d",
- pr->send_cq->attr.act_nr_of_cqes,
- pr->recv_cq->attr.act_nr_of_cqes);
-
- init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL);
- if (!init_attr) {
- ret = -ENOMEM;
- ehea_error("no mem for ehea_qp_init_attr");
- 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) {
- ehea_error("create_qp failed");
- ret = -EIO;
- goto out_free;
- }
-
- if (netif_msg_ifup(port))
- ehea_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", 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, 64);
-
- pr->lro_mgr.max_aggr = pr->port->lro_max_aggr;
- pr->lro_mgr.max_desc = MAX_LRO_DESCRIPTORS;
- pr->lro_mgr.lro_arr = pr->lro_desc;
- pr->lro_mgr.get_skb_header = get_skb_hdr;
- pr->lro_mgr.features = LRO_F_NAPI | LRO_F_EXTRACT_VLAN_ID;
- pr->lro_mgr.dev = port->netdev;
- pr->lro_mgr.ip_summed = CHECKSUM_UNNECESSARY;
- pr->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
-
- 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++)
- if (pr->rq1_skba.arr[i])
- dev_kfree_skb(pr->rq1_skba.arr[i]);
-
- for (i = 0; i < pr->rq2_skba.len; i++)
- if (pr->rq2_skba.arr[i])
- dev_kfree_skb(pr->rq2_skba.arr[i]);
-
- for (i = 0; i < pr->rq3_skba.len; i++)
- if (pr->rq3_skba.arr[i])
- dev_kfree_skb(pr->rq3_skba.arr[i]);
-
- for (i = 0; i < pr->sq_skba.len; i++)
- if (pr->sq_skba.arr[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;
-}
-
-/*
- * The write_* functions store information in swqe which is used by
- * the hardware to calculate the ip/tcp/udp checksum
- */
-
-static inline void write_ip_start_end(struct ehea_swqe *swqe,
- const struct sk_buff *skb)
-{
- swqe->ip_start = skb_network_offset(skb);
- swqe->ip_end = (u8)(swqe->ip_start + ip_hdrlen(skb) - 1);
-}
-
-static inline void write_tcp_offset_end(struct ehea_swqe *swqe,
- const struct sk_buff *skb)
-{
- swqe->tcp_offset =
- (u8)(swqe->ip_end + 1 + offsetof(struct tcphdr, check));
-
- swqe->tcp_end = (u16)skb->len - 1;
-}
-
-static inline void write_udp_offset_end(struct ehea_swqe *swqe,
- const struct sk_buff *skb)
-{
- swqe->tcp_offset =
- (u8)(swqe->ip_end + 1 + offsetof(struct udphdr, check));
-
- swqe->tcp_end = (u16)skb->len - 1;
-}
-
-
-static void write_swqe2_TSO(struct sk_buff *skb,
- struct ehea_swqe *swqe, u32 lkey)
-{
- struct ehea_vsgentry *sg1entry = &swqe->u.immdata_desc.sg_entry;
- u8 *imm_data = &swqe->u.immdata_desc.immediate_data[0];
- int skb_data_size = skb_headlen(skb);
- int headersize;
-
- /* Packet is TCP with TSO enabled */
- swqe->tx_control |= EHEA_SWQE_TSO;
- swqe->mss = skb_shinfo(skb)->gso_size;
- /* copy only eth/ip/tcp headers to immediate data and
- * the rest of skb->data to sg1entry
- */
- headersize = ETH_HLEN + ip_hdrlen(skb) + tcp_hdrlen(skb);
-
- skb_data_size = skb_headlen(skb);
-
- if (skb_data_size >= headersize) {
- /* copy immediate data */
- skb_copy_from_linear_data(skb, imm_data, headersize);
- swqe->immediate_data_length = headersize;
-
- if (skb_data_size > headersize) {
- /* set sg1entry data */
- sg1entry->l_key = lkey;
- sg1entry->len = skb_data_size - headersize;
- sg1entry->vaddr =
- ehea_map_vaddr(skb->data + headersize);
- swqe->descriptors++;
- }
- } else
- ehea_error("cannot handle fragmented headers");
-}
-
-static void write_swqe2_nonTSO(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;
-
- /* Packet is any nonTSO type
- *
- * Copy as much as possible skb->data to immediate data and
- * the rest to sg1entry
- */
- if (skb_data_size >= SWQE2_MAX_IMM) {
- /* copy immediate data */
- skb_copy_from_linear_data(skb, imm_data, SWQE2_MAX_IMM);
-
- swqe->immediate_data_length = SWQE2_MAX_IMM;
-
- if (skb_data_size > SWQE2_MAX_IMM) {
- /* copy sg1entry data */
- sg1entry->l_key = lkey;
- sg1entry->len = skb_data_size - SWQE2_MAX_IMM;
- sg1entry->vaddr =
- ehea_map_vaddr(skb->data + SWQE2_MAX_IMM);
- 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;
- swqe->descriptors = 0;
- sg1entry_contains_frag_data = 0;
-
- if ((dev->features & NETIF_F_TSO) && skb_shinfo(skb)->gso_size)
- write_swqe2_TSO(skb, swqe, lkey);
- else
- write_swqe2_nonTSO(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 = frag->size;
- sg1entry->vaddr =
- ehea_map_vaddr(page_address(frag->page)
- + frag->page_offset);
- 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 = frag->size;
- sgentry->vaddr =
- ehea_map_vaddr(page_address(frag->page)
- + frag->page_offset);
- 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) {
- ehea_error("%sregistering bc address failed (tagged)",
- 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) {
- ehea_error("%sregistering bc address failed (vlan)",
- 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) {
- ehea_error("no mem for cb0");
- 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;
- }
-
- memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len);
-
- /* 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)
- ehea_info("Hypervisor denied %sabling promiscuous mode",
- enable == 1 ? "en" : "dis");
- else
- ehea_error("failed %sabling promiscuous mode",
- 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) {
- ehea_error("no mem for cb7");
- 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_SCOPE_ALL | EHEA_BCMC_MULTICAST
- | EHEA_BCMC_UNTAGGED;
-
- 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_SCOPE_ALL | EHEA_BCMC_MULTICAST
- | EHEA_BCMC_VLANID_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) {
- ehea_error("failed deregistering mcast MAC");
- 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
- ehea_error("failed enabling IFF_ALLMULTI");
- }
- } else
- if (!enable) {
- /* Disable ALLMULTI */
- hret = ehea_multicast_reg_helper(port, 0, H_DEREG_BCMC);
- if (!hret)
- port->allmulti = 0;
- else
- ehea_error("failed disabling IFF_ALLMULTI");
- }
-}
-
-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(sizeof(*ehea_mcl_entry), GFP_ATOMIC);
- if (!ehea_mcl_entry) {
- ehea_error("no mem for 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 {
- ehea_error("failed registering mcast MAC");
- 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;
-
- if (dev->flags & IFF_PROMISC) {
- ehea_promiscuous(dev, 1);
- return;
- }
- ehea_promiscuous(dev, 0);
-
- 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) {
- ehea_info("Mcast registration limit reached (0x%llx). "
- "Use ALLMULTI!",
- 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 int ehea_change_mtu(struct net_device *dev, int new_mtu)
-{
- if ((new_mtu < 68) || (new_mtu > EHEA_MAX_PACKET_SIZE))
- return -EINVAL;
- dev->mtu = new_mtu;
- return 0;
-}
-
-static void ehea_xmit2(struct sk_buff *skb, struct net_device *dev,
- struct ehea_swqe *swqe, u32 lkey)
-{
- if (skb->protocol == htons(ETH_P_IP)) {
- const struct iphdr *iph = ip_hdr(skb);
-
- /* IPv4 */
- swqe->tx_control |= EHEA_SWQE_CRC
- | EHEA_SWQE_IP_CHECKSUM
- | EHEA_SWQE_TCP_CHECKSUM
- | EHEA_SWQE_IMM_DATA_PRESENT
- | EHEA_SWQE_DESCRIPTORS_PRESENT;
-
- write_ip_start_end(swqe, skb);
-
- if (iph->protocol == IPPROTO_UDP) {
- if ((iph->frag_off & IP_MF) ||
- (iph->frag_off & IP_OFFSET))
- /* IP fragment, so don't change cs */
- swqe->tx_control &= ~EHEA_SWQE_TCP_CHECKSUM;
- else
- write_udp_offset_end(swqe, skb);
- } else if (iph->protocol == IPPROTO_TCP) {
- write_tcp_offset_end(swqe, skb);
- }
-
- /* icmp (big data) and ip segmentation packets (all other ip
- packets) do not require any special handling */
-
- } else {
- /* Other Ethernet Protocol */
- swqe->tx_control |= EHEA_SWQE_CRC
- | EHEA_SWQE_IMM_DATA_PRESENT
- | EHEA_SWQE_DESCRIPTORS_PRESENT;
- }
-
- write_swqe2_data(skb, dev, swqe, lkey);
-}
-
-static void ehea_xmit3(struct sk_buff *skb, struct net_device *dev,
- struct ehea_swqe *swqe)
-{
- int nfrags = skb_shinfo(skb)->nr_frags;
- u8 *imm_data = &swqe->u.immdata_nodesc.immediate_data[0];
- skb_frag_t *frag;
- int i;
-
- if (skb->protocol == htons(ETH_P_IP)) {
- const struct iphdr *iph = ip_hdr(skb);
-
- /* IPv4 */
- write_ip_start_end(swqe, skb);
-
- if (iph->protocol == IPPROTO_TCP) {
- swqe->tx_control |= EHEA_SWQE_CRC
- | EHEA_SWQE_IP_CHECKSUM
- | EHEA_SWQE_TCP_CHECKSUM
- | EHEA_SWQE_IMM_DATA_PRESENT;
-
- write_tcp_offset_end(swqe, skb);
-
- } else if (iph->protocol == IPPROTO_UDP) {
- if ((iph->frag_off & IP_MF) ||
- (iph->frag_off & IP_OFFSET))
- /* IP fragment, so don't change cs */
- swqe->tx_control |= EHEA_SWQE_CRC
- | EHEA_SWQE_IMM_DATA_PRESENT;
- else {
- swqe->tx_control |= EHEA_SWQE_CRC
- | EHEA_SWQE_IP_CHECKSUM
- | EHEA_SWQE_TCP_CHECKSUM
- | EHEA_SWQE_IMM_DATA_PRESENT;
-
- write_udp_offset_end(swqe, skb);
- }
- } else {
- /* icmp (big data) and
- ip segmentation packets (all other ip packets) */
- swqe->tx_control |= EHEA_SWQE_CRC
- | EHEA_SWQE_IP_CHECKSUM
- | EHEA_SWQE_IMM_DATA_PRESENT;
- }
- } else {
- /* Other Ethernet Protocol */
- swqe->tx_control |= EHEA_SWQE_CRC | EHEA_SWQE_IMM_DATA_PRESENT;
- }
- /* copy (immediate) data */
- if (nfrags == 0) {
- /* data is in a single piece */
- skb_copy_from_linear_data(skb, imm_data, skb->len);
- } else {
- /* first copy data from the skb->data buffer ... */
- skb_copy_from_linear_data(skb, imm_data,
- skb_headlen(skb));
- imm_data += skb_headlen(skb);
-
- /* ... then copy data from the fragments */
- for (i = 0; i < nfrags; i++) {
- frag = &skb_shinfo(skb)->frags[i];
- memcpy(imm_data,
- page_address(frag->page) + frag->page_offset,
- frag->size);
- imm_data += frag->size;
- }
- }
- swqe->immediate_data_length = skb->len;
- dev_kfree_skb(skb);
-}
-
-static inline int ehea_hash_skb(struct sk_buff *skb, int num_qps)
-{
- struct tcphdr *tcp;
- u32 tmp;
-
- if ((skb->protocol == htons(ETH_P_IP)) &&
- (ip_hdr(skb)->protocol == IPPROTO_TCP)) {
- tcp = (struct tcphdr *)(skb_network_header(skb) +
- (ip_hdr(skb)->ihl * 4));
- tmp = (tcp->source + (tcp->dest << 16)) % 31;
- tmp += ip_hdr(skb)->daddr % 31;
- return tmp % num_qps;
- } else
- return 0;
-}
-
-static int ehea_start_xmit(struct sk_buff *skb, struct net_device *dev)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_swqe *swqe;
- unsigned long flags;
- u32 lkey;
- int swqe_index;
- struct ehea_port_res *pr;
-
- pr = &port->port_res[ehea_hash_skb(skb, port->num_tx_qps)];
-
- if (!spin_trylock(&pr->xmit_lock))
- return NETDEV_TX_BUSY;
-
- if (pr->queue_stopped) {
- spin_unlock(&pr->xmit_lock);
- return NETDEV_TX_BUSY;
- }
-
- swqe = ehea_get_swqe(pr->qp, &swqe_index);
- memset(swqe, 0, SWQE_HEADER_SIZE);
- atomic_dec(&pr->swqe_avail);
-
- if (vlan_tx_tag_present(skb)) {
- swqe->tx_control |= EHEA_SWQE_VLAN_INSERT;
- swqe->vlan_tag = vlan_tx_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;
-
- if (netif_msg_tx_queued(port)) {
- ehea_info("post swqe on QP %d", pr->qp->init_attr.qp_nr);
- ehea_dump(swqe, 512, "swqe");
- }
-
- if (unlikely(test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))) {
- netif_stop_queue(dev);
- swqe->tx_control |= EHEA_SWQE_PURGE;
- }
-
- ehea_post_swqe(pr->qp, swqe);
-
- if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) {
- spin_lock_irqsave(&pr->netif_queue, flags);
- if (unlikely(atomic_read(&pr->swqe_avail) <= 1)) {
- pr->p_stats.queue_stopped++;
- netif_stop_queue(dev);
- pr->queue_stopped = 1;
- }
- spin_unlock_irqrestore(&pr->netif_queue, flags);
- }
- dev->trans_start = jiffies; /* NETIF_F_LLTX driver :( */
- spin_unlock(&pr->xmit_lock);
-
- return NETDEV_TX_OK;
-}
-
-static void ehea_vlan_rx_register(struct net_device *dev,
- struct vlan_group *grp)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- struct hcp_ehea_port_cb1 *cb1;
- u64 hret;
-
- port->vgrp = grp;
-
- cb1 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb1) {
- ehea_error("no mem for cb1");
- goto out;
- }
-
- hret = ehea_h_modify_ehea_port(adapter->handle, port->logical_port_id,
- H_PORT_CB1, H_PORT_CB1_ALL, cb1);
- if (hret != H_SUCCESS)
- ehea_error("modify_ehea_port failed");
-
- free_page((unsigned long)cb1);
-out:
- return;
-}
-
-static void ehea_vlan_rx_add_vid(struct net_device *dev, unsigned short vid)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- struct hcp_ehea_port_cb1 *cb1;
- int index;
- u64 hret;
-
- cb1 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb1) {
- ehea_error("no mem for cb1");
- 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) {
- ehea_error("query_ehea_port failed");
- 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)
- ehea_error("modify_ehea_port failed");
-out:
- free_page((unsigned long)cb1);
- return;
-}
-
-static void ehea_vlan_rx_kill_vid(struct net_device *dev, unsigned short vid)
-{
- struct ehea_port *port = netdev_priv(dev);
- struct ehea_adapter *adapter = port->adapter;
- struct hcp_ehea_port_cb1 *cb1;
- int index;
- u64 hret;
-
- vlan_group_set_device(port->vgrp, vid, NULL);
-
- cb1 = (void *)get_zeroed_page(GFP_KERNEL);
- if (!cb1) {
- ehea_error("no mem for cb1");
- 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) {
- ehea_error("query_ehea_port failed");
- 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)
- ehea_error("modify_ehea_port failed");
-out:
- free_page((unsigned long)cb1);
-}
-
-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) {
- ehea_error("query_ehea_qp failed (1)");
- 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) {
- ehea_error("modify_ehea_qp failed (1)");
- 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) {
- ehea_error("query_ehea_qp failed (2)");
- 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) {
- ehea_error("modify_ehea_qp failed (2)");
- 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) {
- ehea_error("query_ehea_qp failed (3)");
- 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) {
- ehea_error("modify_ehea_qp failed (3)");
- 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) {
- ehea_error("query_ehea_qp failed (4)");
- 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 add_tx_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;
- ehea_error("ehea_create_eq failed (qp_eq)");
- 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 + add_tx_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 + port->num_add_tx_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,
- port->num_add_tx_qps);
- if (ret) {
- ehea_error("port_res_failed");
- goto out;
- }
-
- /* Set default QP for this port */
- ret = ehea_configure_port(port);
- if (ret) {
- ehea_error("ehea_configure_port failed. ret:%d", ret);
- goto out_clean_pr;
- }
-
- ret = ehea_reg_interrupts(dev);
- if (ret) {
- ehea_error("reg_interrupts failed. ret:%d", ret);
- goto out_clean_pr;
- }
-
- for (i = 0; i < port->num_def_qps + port->num_add_tx_qps; i++) {
- ret = ehea_activate_qp(port->adapter, port->port_res[i].qp);
- if (ret) {
- ehea_error("activate_qp failed");
- goto out_free_irqs;
- }
- }
-
- for (i = 0; i < port->num_def_qps; i++) {
- ret = ehea_fill_port_res(&port->port_res[i]);
- if (ret) {
- ehea_error("out_free_irqs");
- 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)
- ehea_info("Failed starting %s. ret=%i", dev->name, 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 + port->num_add_tx_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 + port->num_add_tx_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);
-
- if (netif_msg_ifup(port))
- ehea_info("enabling port %s", dev->name);
-
- ret = ehea_up(dev);
- if (!ret) {
- port_napi_enable(port);
- netif_start_queue(dev);
- }
-
- init_waitqueue_head(&port->swqe_avail_wq);
- init_waitqueue_head(&port->restart_wq);
-
- mutex_unlock(&port->port_lock);
-
- 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_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)
- ehea_info("Failed freeing resources for %s. ret=%i",
- dev->name, ret);
-
- ehea_update_firmware_handles();
-
- return ret;
-}
-
-static int ehea_stop(struct net_device *dev)
-{
- int ret;
- struct ehea_port *port = netdev_priv(dev);
-
- if (netif_msg_ifdown(port))
- ehea_info("disabling port %s", dev->name);
-
- set_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
- cancel_work_sync(&port->reset_task);
- mutex_lock(&port->port_lock);
- netif_stop_queue(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 + port->num_add_tx_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) {
- ehea_error("WARNING: sq not flushed completely");
- break;
- }
- }
-}
-
-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 + port->num_add_tx_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) {
- ehea_error("query_ehea_qp failed (1)");
- 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) {
- ehea_error("modify_ehea_qp failed (1)");
- 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) {
- ehea_error("query_ehea_qp failed (2)");
- goto out;
- }
-
- /* deregister shared memory regions */
- dret = ehea_rem_smrs(pr);
- if (dret) {
- ehea_error("unreg shared memory region failed");
- goto out;
- }
- }
-
- ret = 0;
-out:
- free_page((unsigned long)cb0);
-
- return ret;
-}
-
-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);
- }
-}
-
-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) {
- ret = -ENOMEM;
- goto out;
- }
-
- for (i = 0; i < (port->num_def_qps + port->num_add_tx_qps); i++) {
- struct ehea_port_res *pr = &port->port_res[i];
- struct ehea_qp *qp = pr->qp;
-
- ret = ehea_gen_smrs(pr);
- if (ret) {
- ehea_error("creation of shared memory regions failed");
- 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) {
- ehea_error("query_ehea_qp failed (1)");
- 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) {
- ehea_error("modify_ehea_qp failed (1)");
- 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) {
- ehea_error("query_ehea_qp failed (2)");
- 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_stop_queue(dev);
-
- port_napi_disable(port);
-
- ehea_down(dev);
-
- ret = ehea_up(dev);
- if (ret)
- goto out;
-
- ehea_set_multicast_list(dev);
-
- if (netif_msg_timer(port))
- ehea_info("Device %s resetted successfully", dev->name);
-
- port_napi_enable(port);
-
- netif_wake_queue(dev);
-out:
- mutex_unlock(&port->port_lock);
- mutex_unlock(&dlpar_mem_lock);
-}
-
-static void ehea_rereg_mrs(struct work_struct *work)
-{
- int ret, i;
- struct ehea_adapter *adapter;
-
- ehea_info("LPAR memory changed - re-initializing driver");
-
- 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_stop_queue(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) {
- ehea_error("unregister MR failed - driver"
- " inoperable!");
- 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) {
- ehea_error("register MR failed - driver"
- " inoperable!");
- 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);
- port_napi_enable(port);
- ret = ehea_restart_qps(dev);
- check_sqs(port);
- if (!ret)
- netif_wake_queue(dev);
- mutex_unlock(&port->port_lock);
- }
- }
- }
- }
- ehea_info("re-initializing driver complete");
-out:
- return;
-}
-
-static void ehea_tx_watchdog(struct net_device *dev)
-{
- 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);
-}
-
-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;
-}
-
-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) {
- ehea_error("no mem for cb4");
- 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 ehea_show_port_id(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(log_port_id, S_IRUSR | S_IRGRP | S_IROTH, ehea_show_port_id,
- NULL);
-
-static void __devinit 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) {
- ehea_error("failed to register device. ret=%d", ret);
- goto out;
- }
-
- ret = device_create_file(&port->ofdev.dev, &dev_attr_log_port_id);
- if (ret) {
- ehea_error("failed to register attributes, ret=%d", 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,
-#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = ehea_netpoll,
-#endif
- .ndo_get_stats = ehea_get_stats,
- .ndo_set_mac_address = ehea_set_mac_addr,
- .ndo_validate_addr = eth_validate_addr,
- .ndo_set_multicast_list = ehea_set_multicast_list,
- .ndo_change_mtu = ehea_change_mtu,
- .ndo_vlan_rx_register = ehea_vlan_rx_register,
- .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,
-};
-
-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(sizeof(struct ehea_port));
-
- if (!dev) {
- ehea_error("no mem for net_device");
- 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(sizeof(struct ehea_mc_list), GFP_KERNEL);
- 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;
-
- 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 */
- memcpy(dev->dev_addr, &port->mac_addr, ETH_ALEN);
-
- dev->netdev_ops = &ehea_netdev_ops;
- ehea_set_ethtool_ops(dev);
-
- dev->features = NETIF_F_SG | NETIF_F_FRAGLIST | NETIF_F_TSO
- | NETIF_F_HIGHDMA | NETIF_F_IP_CSUM | NETIF_F_HW_VLAN_TX
- | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER
- | NETIF_F_LLTX;
- dev->watchdog_timeo = EHEA_WATCH_DOG_TIMEOUT;
-
- INIT_WORK(&port->reset_task, ehea_reset_port);
-
- ret = register_netdev(dev);
- if (ret) {
- ehea_error("register_netdev failed. ret=%d", ret);
- goto out_unreg_port;
- }
-
- port->lro_max_aggr = lro_max_aggr;
-
- ret = ehea_get_jumboframe_status(port, &jumbo);
- if (ret)
- ehea_error("failed determining jumbo frame status for %s",
- port->netdev->name);
-
- ehea_info("%s: Jumbo frames are %sabled", dev->name,
- 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:
- ehea_error("setting up logical port with id=%d failed, ret=%d",
- logical_port_id, ret);
- return NULL;
-}
-
-static void ehea_shutdown_single_port(struct ehea_port *port)
-{
- struct ehea_adapter *adapter = port->adapter;
- 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 = NULL;
-
- const u32 *dn_log_port_id;
- int i = 0;
-
- lhea_dn = adapter->ofdev->dev.of_node;
- while ((eth_dn = of_get_next_child(lhea_dn, eth_dn))) {
-
- dn_log_port_id = of_get_property(eth_dn, "ibm,hea-port-no",
- NULL);
- if (!dn_log_port_id) {
- ehea_error("bad device node: eth_dn name=%s",
- eth_dn->full_name);
- continue;
- }
-
- if (ehea_add_adapter_mr(adapter)) {
- ehea_error("creating MR failed");
- 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])
- ehea_info("%s -> logical port id #%d",
- adapter->port[i]->netdev->name,
- *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 = NULL;
- const u32 *dn_log_port_id;
-
- lhea_dn = adapter->ofdev->dev.of_node;
- while ((eth_dn = of_get_next_child(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 ehea_probe_port(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) {
- ehea_info("adding port with logical port id=%d failed. port "
- "already configured as %s.", logical_port_id,
- port->netdev->name);
- return -EINVAL;
- }
-
- eth_dn = ehea_get_eth_dn(adapter, logical_port_id);
-
- if (!eth_dn) {
- ehea_info("no logical port with id %d found", logical_port_id);
- return -EINVAL;
- }
-
- if (ehea_add_adapter_mr(adapter)) {
- ehea_error("creating MR failed");
- 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;
- }
-
- ehea_info("added %s (logical port id=%d)", port->netdev->name,
- logical_port_id);
- } else {
- ehea_remove_adapter_mr(adapter);
- return -EIO;
- }
-
- return (ssize_t) count;
-}
-
-static ssize_t ehea_remove_port(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) {
- ehea_info("removed %s (logical port id=%d)", port->netdev->name,
- 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 {
- ehea_error("removing port with logical port id=%d failed. port "
- "not configured.", logical_port_id);
- return -EINVAL;
- }
-
- ehea_remove_adapter_mr(adapter);
-
- return (ssize_t) count;
-}
-
-static DEVICE_ATTR(probe_port, S_IWUSR, NULL, ehea_probe_port);
-static DEVICE_ATTR(remove_port, S_IWUSR, NULL, ehea_remove_port);
-
-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);
-out:
- return ret;
-}
-
-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 __devinit ehea_probe_adapter(struct platform_device *dev,
- const struct of_device_id *id)
-{
- struct ehea_adapter *adapter;
- const u64 *adapter_handle;
- int ret;
-
- if (!dev || !dev->dev.of_node) {
- ehea_error("Invalid ibmebus device probed");
- return -EINVAL;
- }
-
- adapter = kzalloc(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"
- " '%s'\n", dev->dev.of_node->full_name);
- ret = -ENODEV;
- goto out_free_ad;
- }
-
- adapter->pd = EHEA_PD_ID;
-
- dev_set_drvdata(&dev->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_init(&adapter->neq_tasklet, ehea_neq_tasklet,
- (unsigned long)adapter);
-
- ret = ibmebus_request_irq(adapter->neq->attr.ist1,
- ehea_interrupt_neq, IRQF_DISABLED,
- "ehea_neq", adapter);
- if (ret) {
- dev_err(&dev->dev, "requesting NEQ IRQ failed\n");
- goto out_kill_eq;
- }
-
- ret = ehea_create_device_sysfs(dev);
- if (ret)
- goto out_free_irq;
-
- ret = ehea_setup_ports(adapter);
- if (ret) {
- dev_err(&dev->dev, "setup_ports failed\n");
- goto out_rem_dev_sysfs;
- }
-
- ret = 0;
- goto out;
-
-out_rem_dev_sysfs:
- ehea_remove_device_sysfs(dev);
-
-out_free_irq:
- ibmebus_free_irq(adapter->neq->attr.ist1, adapter);
-
-out_kill_eq:
- ehea_destroy_eq(adapter->neq);
-
-out_free_ad:
- list_del(&adapter->list);
- kfree(adapter);
-
-out:
- ehea_update_firmware_handles();
-
- return ret;
-}
-
-static int __devexit ehea_remove(struct platform_device *dev)
-{
- struct ehea_adapter *adapter = dev_get_drvdata(&dev->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);
-
- flush_scheduled_work();
-
- 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);
- kfree(adapter);
-
- ehea_update_firmware_handles();
-
- return 0;
-}
-
-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 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:
- ehea_info("memory offlining canceled");
- /* Readd canceled memory block */
- case MEM_ONLINE:
- ehea_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(NULL);
- break;
- case MEM_GOING_OFFLINE:
- ehea_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(NULL);
- 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 int ehea_reboot_notifier(struct notifier_block *nb,
- unsigned long action, void *unused)
-{
- if (action == SYS_RESTART) {
- ehea_info("Reboot: freeing all eHEA resources");
- ibmebus_unregister_driver(&ehea_driver);
- }
- return NOTIFY_DONE;
-}
-
-static struct notifier_block ehea_reboot_nb = {
- .notifier_call = ehea_reboot_notifier,
-};
-
-static int check_module_parm(void)
-{
- int ret = 0;
-
- if ((rq1_entries < EHEA_MIN_ENTRIES_QP) ||
- (rq1_entries > EHEA_MAX_ENTRIES_RQ1)) {
- ehea_info("Bad parameter: rq1_entries");
- ret = -EINVAL;
- }
- if ((rq2_entries < EHEA_MIN_ENTRIES_QP) ||
- (rq2_entries > EHEA_MAX_ENTRIES_RQ2)) {
- ehea_info("Bad parameter: rq2_entries");
- ret = -EINVAL;
- }
- if ((rq3_entries < EHEA_MIN_ENTRIES_QP) ||
- (rq3_entries > EHEA_MAX_ENTRIES_RQ3)) {
- ehea_info("Bad parameter: rq3_entries");
- ret = -EINVAL;
- }
- if ((sq_entries < EHEA_MIN_ENTRIES_QP) ||
- (sq_entries > EHEA_MAX_ENTRIES_SQ)) {
- ehea_info("Bad parameter: sq_entries");
- ret = -EINVAL;
- }
-
- return ret;
-}
-
-static ssize_t ehea_show_capabilities(struct device_driver *drv,
- char *buf)
-{
- return sprintf(buf, "%d", EHEA_CAPABILITIES);
-}
-
-static DRIVER_ATTR(capabilities, S_IRUSR | S_IRGRP | S_IROTH,
- ehea_show_capabilities, NULL);
-
-int __init ehea_module_init(void)
-{
- int ret;
-
- printk(KERN_INFO "IBM eHEA ethernet device driver (Release %s)\n",
- DRV_VERSION);
-
-
- INIT_WORK(&ehea_rereg_mr_task, ehea_rereg_mrs);
- 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 = ehea_create_busmap();
- if (ret)
- goto out;
-
- ret = register_reboot_notifier(&ehea_reboot_nb);
- if (ret)
- ehea_info("failed registering reboot notifier");
-
- ret = register_memory_notifier(&ehea_mem_nb);
- if (ret)
- ehea_info("failed registering memory remove notifier");
-
- ret = crash_shutdown_register(ehea_crash_handler);
- if (ret)
- ehea_info("failed registering crash handler");
-
- ret = ibmebus_register_driver(&ehea_driver);
- if (ret) {
- ehea_error("failed registering eHEA device driver on ebus");
- goto out2;
- }
-
- ret = driver_create_file(&ehea_driver.driver,
- &driver_attr_capabilities);
- if (ret) {
- ehea_error("failed to register capabilities attribute, ret=%d",
- ret);
- goto out3;
- }
-
- return ret;
-
-out3:
- ibmebus_unregister_driver(&ehea_driver);
-out2:
- unregister_memory_notifier(&ehea_mem_nb);
- unregister_reboot_notifier(&ehea_reboot_nb);
- crash_shutdown_unregister(ehea_crash_handler);
-out:
- return ret;
-}
-
-static void __exit ehea_module_exit(void)
-{
- int ret;
-
- flush_scheduled_work();
- driver_remove_file(&ehea_driver.driver, &driver_attr_capabilities);
- ibmebus_unregister_driver(&ehea_driver);
- unregister_reboot_notifier(&ehea_reboot_nb);
- ret = crash_shutdown_unregister(ehea_crash_handler);
- if (ret)
- ehea_info("failed unregistering crash handler");
- unregister_memory_notifier(&ehea_mem_nb);
- 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/ehea/ehea_phyp.c b/drivers/net/ehea/ehea_phyp.c
deleted file mode 100644
index 8fe9dcaa753..00000000000
--- a/drivers/net/ehea/ehea_phyp.c
+++ /dev/null
@@ -1,626 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_phyp.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#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)
- ehea_error("opcode=%lx ret=%lx"
- " arg1=%lx arg2=%lx arg3=%lx arg4=%lx"
- " arg5=%lx arg6=%lx arg7=%lx ",
- 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)))))
- ehea_error("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",
- 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 */
- virt_to_abs(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 */
- virt_to_abs(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)) {
- ehea_error("not on pageboundary");
- 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 = virt_to_abs(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 = virt_to_abs(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 = virt_to_abs(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 */
- virt_to_abs(rblock), /* R6 */
- 0, 0, 0, 0); /* R7-R12 */
-}
diff --git a/drivers/net/ehea/ehea_phyp.h b/drivers/net/ehea/ehea_phyp.h
deleted file mode 100644
index 2f8174c248b..00000000000
--- a/drivers/net/ehea/ehea_phyp.h
+++ /dev/null
@@ -1,467 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_phyp.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __EHEA_PHYP_H__
-#define __EHEA_PHYP_H__
-
-#include <linux/delay.h>
-#include <asm/hvcall.h>
-#include "ehea.h"
-#include "ehea_hw.h"
-
-/* Some abbreviations used here:
- *
- * hcp_* - structures, variables and functions releated to Hypervisor Calls
- */
-
-static inline u32 get_longbusy_msecs(int long_busy_ret_code)
-{
- switch (long_busy_ret_code) {
- case H_LONG_BUSY_ORDER_1_MSEC:
- return 1;
- case H_LONG_BUSY_ORDER_10_MSEC:
- return 10;
- case H_LONG_BUSY_ORDER_100_MSEC:
- return 100;
- case H_LONG_BUSY_ORDER_1_SEC:
- return 1000;
- case H_LONG_BUSY_ORDER_10_SEC:
- return 10000;
- case H_LONG_BUSY_ORDER_100_SEC:
- return 100000;
- default:
- return 1;
- }
-}
-
-/* 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(61, 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/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c
deleted file mode 100644
index 89128b6373e..00000000000
--- a/drivers/net/ehea/ehea_qmr.c
+++ /dev/null
@@ -1,1030 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_qmr.c
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/mm.h>
-#include <linux/slab.h>
-#include "ehea.h"
-#include "ehea_phyp.h"
-#include "ehea_qmr.h"
-
-struct ehea_bmap *ehea_bmap = NULL;
-
-
-
-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)) {
- ehea_error("not on pageboundary");
- 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)) {
- ehea_error("pagesize conflict! kernel pagesize=%d, "
- "ehea pagesize=%d", (int)PAGE_SIZE, (int)pagesize);
- return -EINVAL;
- }
-
- queue->queue_length = nr_of_pages * pagesize;
- queue->queue_pages = kmalloc(nr_of_pages * sizeof(void *), GFP_KERNEL);
- if (!queue->queue_pages) {
- ehea_error("no mem for 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 = PAGE_SIZE / queue->pagesize;
- int i, nr_pages;
-
- if (!queue || !queue->queue_pages)
- return;
-
- 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;
- struct h_epa epa;
- u64 *cq_handle_ref, hret, rpage;
- u32 act_nr_of_entries, act_pages, counter;
- int ret;
- void *vpage;
-
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq) {
- ehea_error("no mem for 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;
-
- cq_handle_ref = &cq->fw_handle;
- act_nr_of_entries = 0;
- act_pages = 0;
-
- hret = ehea_h_alloc_resource_cq(adapter->handle, &cq->attr,
- &cq->fw_handle, &cq->epas);
- if (hret != H_SUCCESS) {
- ehea_error("alloc_resource_cq failed");
- 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) {
- ehea_error("hw_qpageit_get_inc failed");
- goto out_kill_hwq;
- }
-
- rpage = virt_to_abs(vpage);
- hret = ehea_h_register_rpage(adapter->handle,
- 0, EHEA_CQ_REGISTER_ORIG,
- cq->fw_handle, rpage, 1);
- if (hret < H_SUCCESS) {
- ehea_error("register_rpage_cq failed ehea_cq=%p "
- "hret=%llx counter=%i act_pages=%i",
- 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)) {
- ehea_error("registration of pages not "
- "complete hret=%llx\n", hret);
- goto out_kill_hwq;
- }
- } else {
- if (hret != H_PAGE_REGISTERED) {
- ehea_error("CQ: registration of page failed "
- "hret=%llx\n", hret);
- goto out_kill_hwq;
- }
- }
- }
-
- hw_qeit_reset(&cq->hw_queue);
- epa = cq->epas.kernel;
- 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;
-}
-
-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) {
- ehea_error("destroy CQ failed");
- 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(sizeof(*eq), GFP_KERNEL);
- if (!eq) {
- ehea_error("no mem for 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) {
- ehea_error("alloc_resource_eq failed");
- goto out_freemem;
- }
-
- ret = hw_queue_ctor(&eq->hw_queue, eq->attr.nr_pages,
- EHEA_PAGESIZE, sizeof(struct ehea_eqe));
- if (ret) {
- ehea_error("can't allocate eq pages");
- goto out_freeres;
- }
-
- for (i = 0; i < eq->attr.nr_pages; i++) {
- vpage = hw_qpageit_get_inc(&eq->hw_queue);
- if (!vpage) {
- ehea_error("hw_qpageit_get_inc failed");
- hret = H_RESOURCE;
- goto out_kill_hwq;
- }
-
- rpage = virt_to_abs(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 = (struct ehea_eqe *)hw_eqit_eq_get_inc_valid(&eq->hw_queue);
- spin_unlock_irqrestore(&eq->spinlock, flags);
-
- return eqe;
-}
-
-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) {
- ehea_error("destroy EQ failed");
- return -EIO;
- }
-
- return 0;
-}
-
-/**
- * allocates memory for a queue and registers pages in phyp
- */
-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) {
- ehea_error("hw_qpageit_get_inc failed");
- goto out_kill_hwq;
- }
- rpage = virt_to_abs(vpage);
- hret = ehea_h_register_rpage(adapter->handle,
- 0, h_call_q_selector,
- qp->fw_handle, rpage, 1);
- if (hret < H_SUCCESS) {
- ehea_error("register_rpage_qp failed");
- 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(sizeof(*qp), GFP_KERNEL);
- if (!qp) {
- ehea_error("no mem for 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) {
- ehea_error("ehea_h_alloc_resource_qp failed");
- 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) {
- ehea_error("can't register for sq ret=%x", 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) {
- ehea_error("can't register for rq1 ret=%x", 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) {
- ehea_error("can't register for rq2 ret=%x", 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) {
- ehea_error("can't register for rq3 ret=%x", 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;
-}
-
-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) {
- ehea_error("destroy QP failed");
- 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(sizeof(struct ehea_dir_bmap), GFP_KERNEL);
- 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(sizeof(struct ehea_top_bmap), GFP_KERNEL);
- 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(sizeof(struct ehea_bmap), GFP_KERNEL);
- 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)
-{
- int page_order;
-
- if (pfn & EHEA_HUGEPAGE_PFN_MASK)
- return 0;
-
- page_order = compound_order(pfn_to_page(pfn));
- if (page_order + PAGE_SHIFT != 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 = virt_to_abs(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 abs_to_virt(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 = virt_to_abs(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] = virt_to_abs(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);
- ehea_error("register_rpage_mr failed");
- 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) {
- ehea_error("no mem");
- 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) {
- ehea_error("alloc_resource_mr failed");
- ret = -EIO;
- goto out;
- }
-
- if (!ehea_bmap) {
- ehea_h_free_resource(adapter->handle, mr->handle, FORCE_FREE);
- ehea_error("no busmap available");
- 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);
- ehea_error("registering mr failed");
- 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) {
- ehea_error("destroy MR failed");
- 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;
-}
-
-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)
- ehea_error("QP (resource=%llX) state: AER=0x%llX, AERR=0x%llX, "
- "port=%llX", resource, data[6], data[12], data[22]);
- else if (type == EHEA_AER_RESTYPE_CQ)
- ehea_error("CQ (resource=%llX) state: AER=0x%llX", resource,
- data[6]);
- else if (type == EHEA_AER_RESTYPE_EQ)
- ehea_error("EQ (resource=%llX) state: AER=0x%llX", 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) {
- ehea_error("Cannot allocate rblock memory.");
- 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) {
- ehea_error("No error data available: %llX.", res_handle);
- } else
- ehea_error("Error data could not be fetched: %llX", res_handle);
-
- free_page((unsigned long)rblock);
-out:
- return type;
-}
diff --git a/drivers/net/ehea/ehea_qmr.h b/drivers/net/ehea/ehea_qmr.h
deleted file mode 100644
index 38104734a3b..00000000000
--- a/drivers/net/ehea/ehea_qmr.h
+++ /dev/null
@@ -1,403 +0,0 @@
-/*
- * linux/drivers/net/ehea/ehea_qmr.h
- *
- * eHEA ethernet device driver for IBM eServer System p
- *
- * (C) Copyright IBM Corp. 2006
- *
- * Authors:
- * Christoph Raisch <raisch@de.ibm.com>
- * Jan-Bernd Themann <themann@de.ibm.com>
- * Thomas Klein <tklein@de.ibm.com>
- *
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#ifndef __EHEA_QMR_H__
-#define __EHEA_QMR_H__
-
-#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 tcp_end;
- 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 &current_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__ */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 13:23:50 +0000