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 16/27] HFI: Add window open hypervisor call
Date: Mon, 25 Apr 2011 17:23:56 -0400 [thread overview]
Message-ID: <1303766647-30156-17-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_hcalls.c | 50 +++++++++++++++++++++++++
drivers/net/hfi/core/hfidd_proto.h | 6 +++
include/linux/hfi/hfidd_hcalls.h | 69 +++++++++++++++++++++++++++++++++++
3 files changed, 125 insertions(+), 0 deletions(-)
diff --git a/drivers/net/hfi/core/hfidd_hcalls.c b/drivers/net/hfi/core/hfidd_hcalls.c
index aabb2a8..1915336 100644
--- a/drivers/net/hfi/core/hfidd_hcalls.c
+++ b/drivers/net/hfi/core/hfidd_hcalls.c
@@ -131,6 +131,28 @@ static inline long long h_hfi_query_interface(int token,
return rc;
}
+static inline long long h_hfi_open_window(int token,
+ u64 HFI_chip_ID,
+ u64 win_num,
+ u64 flag,
+ u64 win_info_ptr,
+ u64 *user_mmio,
+ u64 *kernel_mmio,
+ u64 *send_int_num,
+ u64 *recv_int_num)
+{
+ long long rc;
+ u64 hyp_outputs[PLPAR_HCALL_BUFSIZE];
+
+ rc = plpar_hcall(token, (unsigned long *)hyp_outputs, HFI_chip_ID,
+ win_num, flag, win_info_ptr);
+ *user_mmio = hyp_outputs[0]; /* 1st ret value */
+ *kernel_mmio = hyp_outputs[1]; /* 2nd */
+ *send_int_num = hyp_outputs[2]; /* 3rd */
+ *recv_int_num = hyp_outputs[3]; /* 4th */
+ return rc;
+}
+
long long hfi_start_nmmu(u64 chip_id, void *nmmu_info)
{
return h_nmmu_start(H_NMMU_START, chip_id, nmmu_info);
@@ -152,6 +174,34 @@ long long hfi_stop_nmmu(u64 chip_id)
return hvrc;
}
+long long hfi_open_window(u64 unit_id, u64 win_id, u64 flag,
+ u64 win_info_p,
+ u64 *ummio_addr_p,
+ u64 *pmmio_addr_p,
+ u64 *send_intr,
+ u64 *recv_intr)
+{
+ long long hvrc;
+ u64 start_time = get_jiffies_64();
+
+ while (1) {
+ hvrc = h_hfi_open_window(H_HFI_OPEN_WINDOW,
+ unit_id,
+ win_id,
+ flag,
+ win_info_p,
+ ummio_addr_p,
+ pmmio_addr_p,
+ send_intr,
+ recv_intr);
+ if (hvrc != H_BUSY)
+ break;
+ if (hfidd_age_hcall(start_time))
+ break;
+ }
+ return hvrc;
+}
+
long long hfi_allocate_mr(u64 chip_id, u64 res, u64 addr, u64 mr_size,
u64 access,
u64 job_id,
diff --git a/drivers/net/hfi/core/hfidd_proto.h b/drivers/net/hfi/core/hfidd_proto.h
index ff39a02..c4ed215 100644
--- a/drivers/net/hfi/core/hfidd_proto.h
+++ b/drivers/net/hfi/core/hfidd_proto.h
@@ -67,6 +67,12 @@ int hfidd_start_interface(struct hfidd_acs *p_acs);
int hfidd_stop_interface(struct hfidd_acs *p_acs, unsigned int hfi_id);
long long hfi_start_nmmu(u64 chip_id, void *nmmu_info);
long long hfi_stop_nmmu(u64 chip_id);
+long long hfi_open_window(u64 unit_id, u64 win_id, u64 flag,
+ u64 win_info_p,
+ u64 *ummio_addr_p,
+ u64 *pmmio_addr_p,
+ u64 *send_intr,
+ u64 *recv_intr);
long long hfi_allocate_mr(u64 chip_id, u64 res, u64 addr,
u64 mr_size,
u64 access,
diff --git a/include/linux/hfi/hfidd_hcalls.h b/include/linux/hfi/hfidd_hcalls.h
index 3c9f556..a97bb5e 100644
--- a/include/linux/hfi/hfidd_hcalls.h
+++ b/include/linux/hfi/hfidd_hcalls.h
@@ -39,12 +39,19 @@
#define H_HFI_START_INTERFACE 0xF000
#define H_HFI_QUERY_INTERFACE 0xF004
#define H_HFI_STOP_INTERFACE 0xF008
+#define H_HFI_OPEN_WINDOW 0xF00C
#define H_NMMU_START 0xF028
#define H_NMMU_STOP 0xF02C
#define H_NMMU_ALLOCATE_RESOURCE 0xF030
#define H_NMMU_FREE_RESOURCE 0xF034
#define H_NMMU_MODIFY_RESOURCE 0xF03C
+#define H_OPEN 0x8000000000000000
+#define H_RESUME 0x0000000000000000
+#define H_SUSPEND 0x0000000000000000
+#define H_CLOSE 0x0000000000000001
+#define H_CHECK_CLOSED 0x0000000000000002
+
#define NMMU_MR 0
#define NMMU_MAP 1
@@ -63,6 +70,68 @@
#define HFI_ACCESS_CTL_SHIFT 32
+struct win_open_info {
+ /* Hyp Feedback */
+ unsigned long long hypervisor_capabilities;
+ unsigned int error_offset;
+
+ /* Window Control */
+ unsigned int job_id; /* send & recv jobid */
+ unsigned int protection_domain;
+
+ /* Immediate Send Context */
+ unsigned int immediate_send_pid;
+ unsigned int immediate_send_slots;
+ unsigned int immediate_send_update_freq;
+ unsigned long long immediate_send_finish_vec;
+
+ /* Send Fifo */
+ unsigned long long sfifo_base_eaddr;
+ unsigned int sfifo_lkey;
+ unsigned int sfifo_size; /* in bytes */
+ unsigned long long sfifo_finish_vec;
+
+ /* Full RDMA Send Fifo */
+ unsigned long long fullrdma_fifo_base_eaddr;
+ unsigned int fullrdma_fifo_lkey;
+ unsigned int fullrdma_fifo_size; /* in bytes */
+ unsigned int fullrdma_msg_breakup_count;
+ unsigned long long fullrdma_fifo_finish_vec;
+
+ /* Receive Fifo */
+ unsigned long long rfifo_base_eaddr;
+ unsigned int rfifo_lkey;
+ unsigned int rfifo_size; /* in bytes */
+
+ /* IP2k Free Space Decriptor Fifo */
+ unsigned long long ip2kfifo_base_eaddr;
+ unsigned int ip2kfifo_lkey;
+ unsigned int ip2kfifo_size; /* in bytes */
+
+ /* RDMA Pending Fifo */
+ unsigned long long rdmapending_base_eaddr;
+ unsigned int rdmapending_lkey;
+ unsigned int rdmapending_size; /* in bytes */
+ unsigned int rdmapending_read_req_thresh;
+
+ /* SendSpecial Fifo */
+ unsigned long long specialfifo_base_eaddr;
+ unsigned int specialfifo_lkey;
+ unsigned int specialfifo_size; /* in bytes */
+
+ /* IP Context */
+ unsigned int is_ip_window;
+ unsigned int multicast_enable;
+ unsigned int disable_src_isr_id_stamp;
+ unsigned int logical_port_id_valid;
+ unsigned int logical_port_id;
+
+ /* RDMA Context */
+ unsigned long long rcxt_base_eaddr;
+ unsigned int rcxt_lkey;
+ unsigned int rdma_payload_lkey;
+};
+
#define EEH_QUERY 1
#define COMP_QUERY 2
--
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 ` [PATCH v4 06/27] HFI: Add DD calls to START/STOP INTERFACE HCALLs dykmanj
2011-04-25 21:23 ` [PATCH v4 07/27] HFI: Add nMMU start/stop hypervisor calls 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 ` dykmanj [this message]
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=1303766647-30156-17-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).