From: Alexandre Bounine <alexandre.bounine@idt.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: Alexandre Bounine <alexandre.bounine@idt.com>,
Matt Porter <mporter@kernel.crashing.org>,
Aurelien Jacquiot <a-jacquiot@ti.com>,
Andre van Herk <andre.van.herk@prodrive-technologies.com>,
linux-kernel@vger.kernel.org
Subject: [PATCH 08/30] rapidio/tsi721: add query_mport callback
Date: Fri, 5 Feb 2016 18:19:24 -0500 [thread overview]
Message-ID: <1454714386-15259-9-git-send-email-alexandre.bounine@idt.com> (raw)
In-Reply-To: <1454714386-15259-1-git-send-email-alexandre.bounine@idt.com>
Add device-specific implementation of query_mport callback function.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com>
Cc: linux-kernel@vger.kernel.org
---
drivers/rapidio/devices/tsi721.c | 34 ++++++++++++++++++++++++++++++++++
1 files changed, 34 insertions(+), 0 deletions(-)
diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c
index d463d2c..cd40f0f 100644
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -2288,6 +2288,39 @@ static int tsi721_messages_init(struct tsi721_device *priv)
}
/**
+ * tsi721_query_mport - Fetch inbound message from the Tsi721 MSG Queue
+ * @mport: Master port implementing the Inbound Messaging Engine
+ * @mbox: Inbound mailbox number
+ *
+ * Returns pointer to the message on success or NULL on failure.
+ */
+static int tsi721_query_mport(struct rio_mport *mport,
+ struct rio_mport_attr *attr)
+{
+ struct tsi721_device *priv = mport->priv;
+ u32 rval;
+
+ rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_ERR_STS_CSR(0)));
+ if (rval & RIO_PORT_N_ERR_STS_PORT_OK) {
+ rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_CTL2_CSR(0)));
+ attr->link_speed = (rval & RIO_PORT_N_CTL2_SEL_BAUD) >> 28;
+ rval = ioread32(priv->regs + (0x100 + RIO_PORT_N_CTL_CSR(0)));
+ attr->link_width = (rval & RIO_PORT_N_CTL_IPW) >> 27;
+ } else
+ attr->link_speed = RIO_LINK_DOWN;
+
+#ifdef CONFIG_RAPIDIO_DMA_ENGINE
+ attr->flags = RIO_MPORT_DMA | RIO_MPORT_DMA_SG;
+ attr->dma_max_sge = 0;
+ attr->dma_max_size = TSI721_BDMA_MAX_BCOUNT;
+ attr->dma_align = 0;
+#else
+ attr->flags = 0;
+#endif
+ return 0;
+}
+
+/**
* tsi721_disable_ints - disables all device interrupts
* @priv: pointer to tsi721 private data
*/
@@ -2372,6 +2405,7 @@ static int tsi721_setup_mport(struct tsi721_device *priv)
ops->get_inb_message = tsi721_get_inb_message;
ops->map_inb = tsi721_rio_map_inb_mem;
ops->unmap_inb = tsi721_rio_unmap_inb_mem;
+ ops->query_mport = tsi721_query_mport;
mport = kzalloc(sizeof(struct rio_mport), GFP_KERNEL);
if (!mport) {
--
1.7.8.4
next prev parent reply other threads:[~2016-02-05 23:28 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-05 23:19 [PATCH 00/30] rapidio: mport character driver and subsystem updates Alexandre Bounine
2016-02-05 23:19 ` [PATCH 01/30] rapidio/rionet: fix deadlock on SMP Alexandre Bounine
2016-02-05 23:19 ` [PATCH 02/30] rapidio/rionet: add capability to change MTU Alexandre Bounine
2016-02-05 23:19 ` [PATCH 03/30] rapidio/tsi721: fix hardcoded MRRS setting Alexandre Bounine
2016-02-05 23:19 ` [PATCH 04/30] rapidio/tsi721: add check for overlapped IB window mappings Alexandre Bounine
2016-02-05 23:19 ` [PATCH 05/30] rapidio/tsi721: add option to configure direct mapping of IB window Alexandre Bounine
2016-02-05 23:19 ` [PATCH 06/30] rapidio/tsi721_dma: fix pending transaction queue handling Alexandre Bounine
2016-02-05 23:19 ` [PATCH 07/30] rapidio: add query_mport operation Alexandre Bounine
2016-02-05 23:19 ` Alexandre Bounine [this message]
2016-02-05 23:19 ` [PATCH 09/30] rapidio: add shutdown notification for RapidIO devices Alexandre Bounine
2016-02-05 23:19 ` [PATCH 10/30] rapidio/tsi721: add shutdown notification callback Alexandre Bounine
2016-02-05 23:19 ` [PATCH 11/30] rapidio/rionet: add shutdown event handling Alexandre Bounine
2016-02-05 23:19 ` [PATCH 12/30] rapidio: rework common RIO device add/delete routines Alexandre Bounine
2016-02-05 23:19 ` [PATCH 13/30] rapidio: move net allocation into core code Alexandre Bounine
2016-02-05 23:19 ` [PATCH 14/30] rapidio: add core mport removal support Alexandre Bounine
2016-02-05 23:19 ` [PATCH 15/30] rapidio/tsi721: add HW specific mport removal Alexandre Bounine
2016-02-05 23:19 ` [PATCH 16/30] powerpc/fsl_rio: changes to mport registration Alexandre Bounine
2016-02-05 23:19 ` [PATCH 17/30] rapidio/rionet: add locking into add/remove device Alexandre Bounine
2016-02-05 23:19 ` [PATCH 18/30] rapidio/rionet: add mport removal handling Alexandre Bounine
2016-02-05 23:19 ` [PATCH 19/30] rapidio: add lock protection for doorbell list Alexandre Bounine
2016-02-05 23:19 ` [PATCH 20/30] rapidio: move rio_local_set_device_id function to the common core Alexandre Bounine
2016-02-05 23:19 ` [PATCH 21/30] rapidio: move rio_pw_enable into core code Alexandre Bounine
2016-02-05 23:19 ` [PATCH 22/30] rapidio: add global inbound port write interfaces Alexandre Bounine
2016-02-08 21:18 ` Andrew Morton
2016-02-09 13:56 ` Bounine, Alexandre
2016-02-05 23:19 ` [PATCH 23/30] rapidio/tsi721: fix locking in OB_MSG processing Alexandre Bounine
2016-02-05 23:19 ` [PATCH 24/30] rapidio: add outbound window support Alexandre Bounine
2016-02-05 23:19 ` [PATCH 25/30] rapidio/tsi721: add outbound windows mapping support Alexandre Bounine
2016-02-05 23:19 ` [PATCH 26/30] rapidio/tsi721: add filtered debug output Alexandre Bounine
2016-02-05 23:19 ` [PATCH 27/30] rapidio/tsi721_dma: update error reporting from prep_sg callback Alexandre Bounine
2016-02-05 23:19 ` [PATCH 28/30] rapidio/tsi721_dma: fix synchronization issues Alexandre Bounine
2016-02-05 23:19 ` [PATCH 29/30] rapidio/tsi721_dma: fix hardware error handling Alexandre Bounine
2016-02-05 23:19 ` [PATCH 30/30] rapidio: add mport char device driver Alexandre Bounine
2016-04-05 10:36 ` Gabriel Laskar
2016-04-05 11:45 ` Bounine, Alexandre
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