linux-kernel.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: <kelvin.cao@microchip.com>
To: <kurt.schwemmer@microsemi.com>, <logang@deltatee.com>,
	<bhelgaas@google.com>, <linux-pci@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>
Cc: <kelvin.cao@microchip.com>, <kelvincao@outlook.com>
Subject: [PATCH 3/5] PCI/switchtec: Update the way of getting management VEP instance ID
Date: Fri, 24 Sep 2021 11:08:40 +0000	[thread overview]
Message-ID: <20210924110842.6323-4-kelvin.cao@microchip.com> (raw)
In-Reply-To: <20210924110842.6323-1-kelvin.cao@microchip.com>

From: Kelvin Cao <kelvin.cao@microchip.com>

Gen4 firmware adds DMA VEP and NVMe VEP support in VEP (virtual EP)
instance ID register in addtion to management EP, update the way of
getting management VEP instance ID.

Signed-off-by: Kelvin Cao <kelvin.cao@microchip.com>
---
 drivers/pci/switch/switchtec.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c
index 76f14ed15445..b76094e2c885 100644
--- a/drivers/pci/switch/switchtec.c
+++ b/drivers/pci/switch/switchtec.c
@@ -1125,7 +1125,7 @@ static int ioctl_pff_to_port(struct switchtec_dev *stdev,
 			break;
 		}
 
-		reg = ioread32(&pcfg->vep_pff_inst_id);
+		reg = ioread32(&pcfg->vep_pff_inst_id) & 0xFF;
 		if (reg == p.pff) {
 			p.port = SWITCHTEC_IOCTL_PFF_VEP;
 			break;
@@ -1171,7 +1171,7 @@ static int ioctl_port_to_pff(struct switchtec_dev *stdev,
 		p.pff = ioread32(&pcfg->usp_pff_inst_id);
 		break;
 	case SWITCHTEC_IOCTL_PFF_VEP:
-		p.pff = ioread32(&pcfg->vep_pff_inst_id);
+		p.pff = ioread32(&pcfg->vep_pff_inst_id) & 0xFF;
 		break;
 	default:
 		if (p.port > ARRAY_SIZE(pcfg->dsp_pff_inst_id))
@@ -1545,7 +1545,7 @@ static void init_pff(struct switchtec_dev *stdev)
 	if (reg < stdev->pff_csr_count)
 		stdev->pff_local[reg] = 1;
 
-	reg = ioread32(&pcfg->vep_pff_inst_id);
+	reg = ioread32(&pcfg->vep_pff_inst_id) & 0xFF;
 	if (reg < stdev->pff_csr_count)
 		stdev->pff_local[reg] = 1;
 
-- 
2.25.1


  parent reply	other threads:[~2021-09-24  4:15 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-24 11:08 [PATCH 0/5] Switchtec Fixes and Improvements kelvin.cao
2021-09-24 11:08 ` [PATCH 1/5] PCI/switchtec: Error out MRPC execution when no GAS access kelvin.cao
2021-10-01 20:18   ` Bjorn Helgaas
2021-10-01 20:29     ` Logan Gunthorpe
2021-10-01 23:49       ` Kelvin.Cao
2021-10-02 15:11         ` Bjorn Helgaas
2021-10-04 20:51           ` Kelvin.Cao
2021-10-05 20:11             ` Bjorn Helgaas
2021-10-06  0:37               ` Kelvin.Cao
2021-10-06  2:33                 ` Bjorn Helgaas
2021-10-06  5:49                   ` Kelvin.Cao
2021-10-06 14:19                     ` Bjorn Helgaas
2021-10-06 19:00                       ` Kelvin.Cao
2021-10-06 20:20                         ` Bjorn Helgaas
2021-10-06 21:27                           ` Kelvin.Cao
2021-10-07 21:23                             ` Bjorn Helgaas
2021-10-08  0:06                               ` Kelvin.Cao
2021-10-08 11:03                                 ` Bjorn Helgaas
2021-10-01 22:58     ` Kelvin.Cao
2021-10-01 23:52       ` Logan Gunthorpe
2021-10-02  0:05         ` Kelvin.Cao
2021-09-24 11:08 ` [PATCH 2/5] PCI/switchtec: Fix a MRPC error status handling issue kelvin.cao
2021-09-24 11:08 ` kelvin.cao [this message]
2021-09-24 11:08 ` [PATCH 4/5] PCI/switchtec: Replace ENOTSUPP with EOPNOTSUPP kelvin.cao
2021-09-24 11:08 ` [PATCH 5/5] PCI/switchtec: Add check of event support kelvin.cao
2021-09-24 15:53 ` [PATCH 0/5] Switchtec Fixes and Improvements Logan Gunthorpe
2021-09-25  5:27   ` Kelvin.Cao
2021-09-27 16:39 ` Bjorn Helgaas
2021-09-27 18:25   ` Kelvin.Cao
2021-10-08 17:05 ` Bjorn Helgaas
2021-10-08 17:23   ` Logan Gunthorpe
2021-10-08 18:25     ` Bjorn Helgaas

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210924110842.6323-4-kelvin.cao@microchip.com \
    --to=kelvin.cao@microchip.com \
    --cc=bhelgaas@google.com \
    --cc=kelvincao@outlook.com \
    --cc=kurt.schwemmer@microsemi.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=logang@deltatee.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).