From: dykmanj@linux.vnet.ibm.com
To: netdev@vger.kernel.org
Cc: Jim Dykman <dykmanj@linux.vnet.ibm.com>,
Piyush Chaudhary <piyushc@linux.vnet.ibm.com>,
Fu-Chung Chang <fcchang@linux.vnet.ibm.com>,
" William S. Cadden" <wscadden@linux.vnet.ibm.com>,
" Wen C. Chen" <winstonc@linux.vnet.ibm.com>,
Scot Sakolish <sakolish@linux.vnet.ibm.com>,
Jian Xiao <jian@linux.vnet.ibm.com>,
" Carol L. Soto" <clsoto@linux.vnet.ibm.com>,
" Sarah J. Sheppard" <sjsheppa@linux.vnet.ibm.com>
Subject: [PATCH v4 06/27] HFI: Add DD calls to START/STOP INTERFACE HCALLs
Date: Mon, 25 Apr 2011 17:23:46 -0400 [thread overview]
Message-ID: <1303766647-30156-7-git-send-email-dykmanj@linux.vnet.ibm.com> (raw)
In-Reply-To: <1303766647-30156-1-git-send-email-dykmanj@linux.vnet.ibm.com>
From: Jim Dykman <dykmanj@linux.vnet.ibm.com>
Signed-off-by: Piyush Chaudhary <piyushc@linux.vnet.ibm.com>
Signed-off-by: Jim Dykman <dykmanj@linux.vnet.ibm.com>
Signed-off-by: Fu-Chung Chang <fcchang@linux.vnet.ibm.com>
Signed-off-by: William S. Cadden <wscadden@linux.vnet.ibm.com>
Signed-off-by: Wen C. Chen <winstonc@linux.vnet.ibm.com>
Signed-off-by: Scot Sakolish <sakolish@linux.vnet.ibm.com>
Signed-off-by: Jian Xiao <jian@linux.vnet.ibm.com>
Signed-off-by: Carol L. Soto <clsoto@linux.vnet.ibm.com>
Signed-off-by: Sarah J. Sheppard <sjsheppa@linux.vnet.ibm.com>
---
drivers/net/hfi/core/hfidd_init.c | 97 +++++++++++++++++++++++++++++++++++++
1 files changed, 97 insertions(+), 0 deletions(-)
diff --git a/drivers/net/hfi/core/hfidd_init.c b/drivers/net/hfi/core/hfidd_init.c
index d181d97..bbfc477 100644
--- a/drivers/net/hfi/core/hfidd_init.c
+++ b/drivers/net/hfi/core/hfidd_init.c
@@ -318,6 +318,93 @@ hfidd_create_devices_error0:
return rc;
}
+/*
+ * Disable message passing to each adapter by calling the
+ * Stop Interface hcall.
+ */
+static void hfidd_stop_adapter(void)
+{
+ int i;
+
+ for (i = 0; i < MAX_HFIS; i++) {
+ hfidd_stop_interface(hfidd_global.p_acs[i],
+ hfidd_global.p_acs[i]->dds.hfi_id);
+ }
+}
+
+/*
+ * Query the interface to check the logical state of HFI.
+ * Enable message passing to each adapter by calling Start
+ * Interface hcall.
+ */
+static int hfidd_start_adapter(void)
+{
+ unsigned long long hfi_state;
+ int i, j;
+ int rc = 0;
+
+ for (i = 0; i < MAX_HFIS; i++) {
+ rc = hfidd_query_interface(hfidd_global.p_acs[i], COMP_QUERY,
+ hfidd_global.p_acs[i]->dds.hfi_id, &hfi_state);
+ if (hfi_state != NOT_STARTED) {
+ rc = hfidd_stop_interface(hfidd_global.p_acs[i],
+ hfidd_global.p_acs[i]->dds.hfi_id);
+ if (rc) {
+ dev_printk(KERN_ERR,
+ hfidd_global.p_acs[i]->hfidd_dev,
+ "%s: hfidd_start_adapter:"
+ " hfidd_stop_interface failed rc = "
+ " 0x%x\n", hfidd_global.p_acs[i]->name,
+ rc);
+ }
+
+ rc = hfidd_query_interface(hfidd_global.p_acs[i],
+ COMP_QUERY,
+ hfidd_global.p_acs[i]->dds.hfi_id,
+ &hfi_state);
+ if (hfi_state != NOT_STARTED) {
+ dev_printk(KERN_ERR,
+ hfidd_global.p_acs[i]->hfidd_dev,
+ "%s: hfidd_start_adapter: query"
+ " interface bad state 0x%llx\n",
+ hfidd_global.p_acs[i]->name, hfi_state);
+ return -EIO;
+ }
+ }
+
+ }
+
+ for (i = 0; i < MAX_HFIS; i++) {
+ rc = hfidd_start_interface(hfidd_global.p_acs[i]);
+ if (rc) {
+ dev_printk(KERN_ERR, hfidd_global.p_acs[i]->hfidd_dev,
+ "%s: hfidd_start_adapter: "
+ "hfidd_start_interface failed rc = "
+ "%d\n", hfidd_global.p_acs[i]->name, rc);
+ goto hfidd_start_adapter_err;
+ }
+
+ /* query interface to get src ISR */
+ rc = hfidd_query_interface(hfidd_global.p_acs[i], COMP_QUERY,
+ hfidd_global.p_acs[i]->dds.hfi_id, &hfi_state);
+ if (rc) {
+ dev_printk(KERN_ERR, hfidd_global.p_acs[i]->hfidd_dev,
+ "%s: hfidd_start_adapter: "
+ "hfidd_query_interface failed rc = %d\n",
+ hfidd_global.p_acs[i]->name, rc);
+ goto hfidd_start_adapter_err;
+ }
+ }
+ return 0;
+
+hfidd_start_adapter_err:
+ for (j = 0; j < i; j++) {
+ hfidd_stop_interface(hfidd_global.p_acs[j],
+ hfidd_global.p_acs[j]->dds.hfi_id);
+ }
+ return rc;
+}
+
static int __init hfidd_mod_init(void)
{
int rc = 0;
@@ -338,9 +425,18 @@ static int __init hfidd_mod_init(void)
goto error1;
}
+ rc = hfidd_start_adapter();
+ if (rc < 0) {
+ printk(KERN_ERR "%s: hfidd_mod_init: hfidd_start_adapter failed"
+ " rc = %d\n", HFIDD_DEV_NAME, rc);
+ goto error2;
+ }
+
printk(KERN_INFO "IBM hfi device driver loaded sucessfully\n");
return 0;
+error2:
+ hfidd_destroy_devices();
error1:
hfidd_destroy_class();
return rc;
@@ -348,6 +444,7 @@ error1:
static void __exit hfidd_mod_exit(void)
{
+ hfidd_stop_adapter();
hfidd_destroy_devices();
hfidd_destroy_class();
}
--
1.7.3.5
next prev parent reply other threads:[~2011-04-25 21:24 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-25 21:23 [PATCH v4 00/27] HFI: minimal device driver/ip driver dykmanj
2011-04-25 21:23 ` [PATCH v4 01/27] HFI: skeleton driver dykmanj
2011-05-20 18:37 ` Brian King
2011-04-25 21:23 ` [PATCH v4 02/27] HFI: Add HFI adapter control structure dykmanj
2011-04-25 21:23 ` [PATCH v4 03/27] HFI: Add device_create/device_destroy calls for HFI devices dykmanj
2011-04-25 21:23 ` [PATCH v4 04/27] HFI: Find HFI devices in the device tree dykmanj
2011-04-25 21:23 ` [PATCH v4 05/27] HFI: The first few HFI-specific hypervisor calls dykmanj
2011-04-25 21:23 ` dykmanj [this message]
2011-04-25 21:23 ` [PATCH v4 07/27] HFI: Add nMMU start/stop " dykmanj
2011-04-25 21:23 ` [PATCH v4 08/27] HFI: DD request framework and first HFI DD request dykmanj
2011-04-25 21:23 ` [PATCH v4 09/27] HFI: Add HFI window resource tracking dykmanj
2011-04-25 21:23 ` [PATCH v4 10/27] HFI: HFIDD_REQ_OPEN_WINDOW request dykmanj
2011-04-25 21:23 ` [PATCH v4 11/27] HFI: Check window number/assign window number dykmanj
2011-04-25 21:23 ` [PATCH v4 12/27] HFI: Sanity check send and receive fifo parameters dykmanj
2011-04-25 21:23 ` [PATCH v4 13/27] HFI: Send and receive fifo address translation dykmanj
2011-04-25 21:23 ` [PATCH v4 14/27] HFI: Add hypercalls to create/modify/free page tables in the nMMU dykmanj
2011-04-25 21:23 ` [PATCH v4 15/27] HFI: Set up nMMU page tables for the send and receive fifos dykmanj
2011-04-25 21:23 ` [PATCH v4 16/27] HFI: Add window open hypervisor call dykmanj
2011-04-25 21:23 ` [PATCH v4 17/27] HFI: Set up and call the open window hypercall dykmanj
2011-04-25 21:23 ` [PATCH v4 18/27] HFI: Map window registers into user process dykmanj
2011-04-25 21:23 ` [PATCH v4 19/27] HFI: Add window close request dykmanj
2011-04-25 21:24 ` [PATCH v4 20/27] HFI: Close window hypervisor call dykmanj
2011-04-25 21:24 ` [PATCH v4 21/27] HFI: Add send and receive interrupts dykmanj
2011-04-25 21:24 ` [PATCH v4 22/27] HFI: Add event notifications dykmanj
2011-04-25 21:24 ` [PATCH v4 23/27] HFI: Define packet header formats and window register offsets dykmanj
2011-04-25 21:24 ` [PATCH v4 24/27] HFI: hfi_ip network driver dykmanj
2011-04-25 21:24 ` [PATCH v4 25/27] HFI: hfi_ip fifo transmit paths dykmanj
2011-04-25 21:24 ` [PATCH v4 26/27] HFI: hfi_ip fifo receive path dykmanj
2011-04-25 21:24 ` [PATCH v4 27/27] HFI: hfi_ip ethtool support dykmanj
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=1303766647-30156-7-git-send-email-dykmanj@linux.vnet.ibm.com \
--to=dykmanj@linux.vnet.ibm.com \
--cc=clsoto@linux.vnet.ibm.com \
--cc=fcchang@linux.vnet.ibm.com \
--cc=jian@linux.vnet.ibm.com \
--cc=netdev@vger.kernel.org \
--cc=piyushc@linux.vnet.ibm.com \
--cc=sakolish@linux.vnet.ibm.com \
--cc=sjsheppa@linux.vnet.ibm.com \
--cc=winstonc@linux.vnet.ibm.com \
--cc=wscadden@linux.vnet.ibm.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).