From: Taku Izumi <izumi.taku@jp.fujitsu.com>
To: platform-driver-x86@vger.kernel.org, dvhart@infradead.org
Cc: rkhan@redhat.com, alexander.h.duyck@redhat.com,
netdev@vger.kernel.org, linux-acpi@vger.kernel.org,
Taku Izumi <izumi.taku@jp.fujitsu.com>
Subject: [PATCH 21/22] fjes: handle receive cancellation request interrupt
Date: Thu, 18 Jun 2015 09:49:46 +0900 [thread overview]
Message-ID: <1434588587-25655-21-git-send-email-izumi.taku@jp.fujitsu.com> (raw)
In-Reply-To: <1434588587-25655-1-git-send-email-izumi.taku@jp.fujitsu.com>
This patch adds implementation of handling IRQ
of other receiver's receive cancellation request.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
---
drivers/platform/x86/fjes/fjes_main.c | 85 +++++++++++++++++++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/drivers/platform/x86/fjes/fjes_main.c b/drivers/platform/x86/fjes/fjes_main.c
index f42441f..f33dafb 100644
--- a/drivers/platform/x86/fjes/fjes_main.c
+++ b/drivers/platform/x86/fjes/fjes_main.c
@@ -855,6 +855,81 @@ static int fjes_vlan_rx_kill_vid(struct net_device *netdev,
return 0;
}
+static void fjes_txrx_stop_req_irq(struct fjes_adapter *adapter,
+ int src_epid)
+{
+ struct fjes_hw *hw = &adapter->hw;
+ enum ep_partner_status status;
+
+ status = fjes_hw_get_partner_ep_status(hw, src_epid);
+ switch (status) {
+ case EP_PARTNER_UNSHARE:
+ default:
+ break;
+ case EP_PARTNER_COMPLETE:
+ break;
+ case EP_PARTNER_WAITING:
+ if (src_epid < hw->my_epid) {
+ hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |=
+ FJES_RX_STOP_REQ_DONE;
+
+ clear_bit(src_epid, &hw->txrx_stop_req_bit);
+ set_bit(src_epid, &adapter->unshare_watch_bitmask);
+
+ if (!work_pending(&adapter->unshare_watch_task))
+ queue_work(adapter->control_wq,
+ &adapter->unshare_watch_task);
+ }
+ break;
+ case EP_PARTNER_SHARED:
+ if (hw->ep_shm_info[src_epid].rx.info->v1i.rx_status
+ & FJES_RX_STOP_REQ_REQUEST) {
+
+ set_bit(src_epid, &hw->epstop_req_bit);
+
+ if (!work_pending(&hw->epstop_task))
+ queue_work(adapter->control_wq, &hw->epstop_task);
+
+ }
+ break;
+ }
+}
+
+static void fjes_stop_req_irq(struct fjes_adapter *adapter,
+ int src_epid)
+{
+ struct fjes_hw *hw = &adapter->hw;
+ enum ep_partner_status status;
+
+ set_bit(src_epid, &hw->hw_info.buffer_unshare_reserve_bit);
+
+ status = fjes_hw_get_partner_ep_status(hw, src_epid);
+ switch (status) {
+ case EP_PARTNER_WAITING:
+ hw->ep_shm_info[src_epid].tx.info->v1i.rx_status |=
+ FJES_RX_STOP_REQ_DONE;
+ clear_bit(src_epid, &hw->txrx_stop_req_bit);
+ /* fall through */
+ case EP_PARTNER_UNSHARE:
+ case EP_PARTNER_COMPLETE:
+ default:
+ set_bit(src_epid, &adapter->unshare_watch_bitmask);
+ if (!work_pending(&adapter->unshare_watch_task))
+ queue_work(adapter->control_wq,
+ &adapter->unshare_watch_task);
+
+ break;
+ case EP_PARTNER_SHARED:
+ set_bit(src_epid, &hw->epstop_req_bit);
+
+ if (!work_pending(&hw->epstop_task))
+ queue_work(adapter->control_wq, &hw->epstop_task);
+
+ break;
+ }
+
+}
+
static void fjes_update_zone_irq(struct fjes_adapter *adapter,
int src_epid)
{
@@ -878,6 +953,16 @@ static irqreturn_t fjes_intr(int irq, void *data)
if (icr & REG_ICTL_MASK_RX_DATA)
fjes_rx_irq(adapter, icr & REG_IS_MASK_EPID);
+ if (icr & REG_ICTL_MASK_DEV_STOP_REQ)
+ fjes_stop_req_irq(adapter, icr & REG_IS_MASK_EPID);
+
+ if (icr & REG_ICTL_MASK_TXRX_STOP_REQ)
+ fjes_txrx_stop_req_irq(adapter, icr & REG_IS_MASK_EPID);
+
+ if (icr & REG_ICTL_MASK_TXRX_STOP_DONE)
+ fjes_hw_set_irqmask(hw,
+ REG_ICTL_MASK_TXRX_STOP_DONE, true);
+
if (icr & REG_ICTL_MASK_INFO_UPDATE)
fjes_update_zone_irq(adapter, icr & REG_IS_MASK_EPID);
--
1.8.3.1
next prev parent reply other threads:[~2015-06-18 0:53 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-18 0:45 [PATCH 00/22] FUJITSU Extended Socket network device driver Taku Izumi
2015-06-18 0:49 ` [PATCH 01/22] fjes: Introduce FUJITSU Extended Socket Network Device driver Taku Izumi
2015-06-18 0:49 ` [PATCH 02/22] fjes: Hardware initialization routine Taku Izumi
2015-06-18 1:57 ` Joe Perches
2015-06-19 19:37 ` Yasuaki Ishimatsu
2015-06-18 0:49 ` [PATCH 03/22] fjes: Hardware cleanup routine Taku Izumi
2015-06-18 0:49 ` [PATCH 04/22] fjes: platform_driver's .probe and .remove routine Taku Izumi
2015-06-18 0:49 ` [PATCH 05/22] fjes: ES information acquisition routine Taku Izumi
2015-06-18 0:49 ` [PATCH 06/22] fjes: buffer address regist/unregistration routine Taku Izumi
2015-06-18 0:49 ` [PATCH 07/22] fjes: net_device_ops.ndo_open and .ndo_stop Taku Izumi
2015-06-18 0:49 ` [PATCH 08/22] fjes: net_device_ops.ndo_start_xmit Taku Izumi
2015-06-18 0:49 ` [PATCH 09/22] fjes: raise_intr_rxdata_task Taku Izumi
2015-06-18 0:49 ` [PATCH 10/22] fjes: tx_stall_task Taku Izumi
2015-06-18 0:49 ` [PATCH 11/22] fjes: NAPI polling function Taku Izumi
2015-06-18 0:49 ` [PATCH 12/22] fjes: net_device_ops.ndo_get_stats64 Taku Izumi
2015-06-18 14:00 ` Sergei Shtylyov
2015-06-18 0:49 ` [PATCH 13/22] fjes: net_device_ops.ndo_change_mtu Taku Izumi
2015-06-18 0:49 ` [PATCH 14/22] fjes: net_device_ops.ndo_tx_timeout Taku Izumi
2015-06-18 13:58 ` Sergei Shtylyov
2015-06-18 0:49 ` [PATCH 15/22] fjes: net_device_ops.ndo_vlan_rx_add/kill_vid Taku Izumi
2015-06-18 0:49 ` [PATCH 16/22] fjes: interrupt_watch_task Taku Izumi
2015-06-18 0:49 ` [PATCH 17/22] fjes: force_close_task Taku Izumi
2015-06-18 0:49 ` [PATCH 18/22] fjes: unshare_watch_task Taku Izumi
2015-06-18 0:49 ` [PATCH 19/22] fjes: update_zone_task Taku Izumi
2015-06-18 2:25 ` Joe Perches
2015-06-18 0:49 ` [PATCH 20/22] fjes: epstop_task Taku Izumi
2015-06-18 13:55 ` Sergei Shtylyov
2015-06-18 0:49 ` Taku Izumi [this message]
2015-06-18 0:49 ` [PATCH 22/22] fjes: ethtool support Taku Izumi
2015-06-18 1:10 ` Stephen Hemminger
2015-06-18 1:47 ` [PATCH 01/22] fjes: Introduce FUJITSU Extended Socket Network Device driver Joe Perches
2015-06-18 21:22 ` [PATCH 00/22] FUJITSU Extended Socket network device driver Darren Hart
2015-06-19 4:20 ` Izumi, Taku
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