From: dykmanj@linux.vnet.ibm.com
To: netdev@vger.kernel.org
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 14/27] HFI: Add hypercalls to create/modify/free page tables in the nMMU
Date: Wed, 2 Mar 2011 16:10:00 -0500 [thread overview]
Message-ID: <1299100213-8770-14-git-send-email-dykmanj@linux.vnet.ibm.com> (raw)
In-Reply-To: <1299100213-8770-1-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 | 124 +++++++++++++++++++++++++++++++++++
drivers/net/hfi/core/hfidd_proto.h | 15 ++++
include/linux/hfi/hfidd_hcalls.h | 3 +
3 files changed, 142 insertions(+), 0 deletions(-)
diff --git a/drivers/net/hfi/core/hfidd_hcalls.c b/drivers/net/hfi/core/hfidd_hcalls.c
index 2ca1c8a..aabb2a8 100644
--- a/drivers/net/hfi/core/hfidd_hcalls.c
+++ b/drivers/net/hfi/core/hfidd_hcalls.c
@@ -45,6 +45,64 @@ static inline long long h_nmmu_stop(int token, u64 torrent_chip_ID)
return plpar_hcall_norets(token, torrent_chip_ID);
}
+static inline long long h_nmmu_allocate_resource(int token,
+ u64 torrent_chip_ID,
+ u64 resource_name,
+ u64 eaddr,
+ u64 memory_region_size,
+ u64 access_controls,
+ u64 protection_domain,
+ u64 MR_Handle_In,
+ u64 *MR_Handle_out,
+ u64 *L_Key,
+ u64 *liobn)
+{
+ u64 hyp_outputs[PLPAR_HCALL9_BUFSIZE];
+ long long rc;
+
+ rc = plpar_hcall9(token, (unsigned long *)hyp_outputs,
+ torrent_chip_ID, resource_name, eaddr,
+ memory_region_size, access_controls,
+ protection_domain, MR_Handle_In);
+ *MR_Handle_out = hyp_outputs[0]; /* 1st ret value */
+ *L_Key = hyp_outputs[1]; /* 2nd */
+ *liobn = hyp_outputs[3]; /* 4th */
+
+ return rc;
+}
+
+static inline long long h_nmmu_free_resource(int token,
+ u64 torrent_chip_ID,
+ u64 resource_name,
+ u64 MR_Handle,
+ u64 subregion)
+{
+ return plpar_hcall_norets(token,
+ torrent_chip_ID,
+ resource_name,
+ MR_Handle,
+ subregion);
+}
+
+static inline long long h_nmmu_modify_resource(int token,
+ u64 torrent_chip_ID,
+ u64 request,
+ u64 MR_Handle,
+ u64 subregion,
+ u64 eaddr,
+ u64 laddr,
+ u64 num_pg_sz)
+{
+ return plpar_hcall_norets(token,
+ torrent_chip_ID,
+ request,
+ MR_Handle,
+ subregion,
+ eaddr,
+ laddr,
+ num_pg_sz);
+}
+
static inline long long h_hfi_start_interface(int token,
u64 HFI_chip_ID)
{
@@ -94,6 +152,72 @@ long long hfi_stop_nmmu(u64 chip_id)
return hvrc;
}
+long long hfi_allocate_mr(u64 chip_id, u64 res, u64 addr, u64 mr_size,
+ u64 access,
+ u64 job_id,
+ u64 mr_handle_in,
+ u64 *mr_handle_out,
+ u64 *lkey_p,
+ u64 *liobn)
+{
+ return h_nmmu_allocate_resource(H_NMMU_ALLOCATE_RESOURCE,
+ chip_id,
+ res,
+ addr,
+ mr_size,
+ access,
+ job_id,
+ mr_handle_in,
+ mr_handle_out,
+ lkey_p,
+ liobn);
+}
+
+long long hfi_modify_mr(u64 chip_id, u64 request, u64 mr_handle,
+ u64 sub_id,
+ u64 e_addr,
+ u64 l_addr,
+ u64 num_pg_sz)
+{
+ long long hvrc;
+ u64 start_time = get_jiffies_64();
+
+ while (1) {
+ hvrc = h_nmmu_modify_resource(H_NMMU_MODIFY_RESOURCE,
+ chip_id,
+ request,
+ mr_handle,
+ sub_id,
+ e_addr,
+ l_addr,
+ num_pg_sz);
+ if (hvrc != H_BUSY)
+ break;
+ if (hfidd_age_hcall(start_time))
+ break;
+ }
+ return hvrc;
+}
+
+long long hfi_free_mr(u64 chip_id, u64 res, u64 mr_handle, u64 sub_region_id)
+{
+ long long hvrc;
+ u64 start_time = get_jiffies_64();
+
+ while (1) {
+ hvrc = h_nmmu_free_resource(H_NMMU_FREE_RESOURCE,
+ chip_id,
+ res,
+ mr_handle,
+ sub_region_id);
+ if (hvrc != H_BUSY)
+ break;
+ if (hfidd_age_hcall(start_time))
+ break;
+ }
+ return hvrc;
+}
+
long long hfi_hquery_interface(u64 unit_id, u64 subtype,
u64 query_p, u64 *state)
{
diff --git a/drivers/net/hfi/core/hfidd_proto.h b/drivers/net/hfi/core/hfidd_proto.h
index 001f6d5..fb9c8c8 100644
--- a/drivers/net/hfi/core/hfidd_proto.h
+++ b/drivers/net/hfi/core/hfidd_proto.h
@@ -64,6 +64,21 @@ 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_allocate_mr(u64 chip_id, u64 res, u64 addr,
+ u64 mr_size,
+ u64 access,
+ u64 job_id,
+ u64 mr_handle_in,
+ u64 *mr_handle_out,
+ u64 *lkey_p,
+ u64 *liobn);
+long long hfi_modify_mr(u64 chip_id, u64 request, u64 mr_handle,
+ u64 sub_id,
+ u64 e_addr,
+ u64 l_addr,
+ u64 num_pg_sz);
+long long hfi_free_mr(u64 chip_id, u64 res, u64 mr_handle,
+ u64 sub_region_id);
long long hfi_hquery_interface(u64 unit_id, u64 subtype, u64 query_p,
u64 *state);
long long hfi_start_interface(u64 unit_id);
diff --git a/include/linux/hfi/hfidd_hcalls.h b/include/linux/hfi/hfidd_hcalls.h
index 57140a0..9fa87c5 100644
--- a/include/linux/hfi/hfidd_hcalls.h
+++ b/include/linux/hfi/hfidd_hcalls.h
@@ -41,6 +41,9 @@
#define H_HFI_STOP_INTERFACE 0xF008
#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 HFI_PAGE_CODE_SHIFT 28
--
1.7.3.1
next prev parent reply other threads:[~2011-03-02 21:10 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-02 21:09 [PATCH 01/27] HFI: skeleton driver dykmanj
2011-03-02 21:09 ` [PATCH 02/27] HFI: Add HFI adapter control structure dykmanj
2011-03-02 22:21 ` Stephen Hemminger
2011-03-02 22:44 ` Ben Hutchings
2011-04-18 3:21 ` Jim Dykman
2011-03-02 21:09 ` [PATCH 03/27] HFI: Add device_create/device_destroy calls for HFI devices dykmanj
2011-03-02 21:09 ` [PATCH 04/27] HFI: Find HFI devices in the device tree dykmanj
2011-03-02 21:09 ` [PATCH 05/27] HFI: The first few HFI-specific hypervisor calls dykmanj
2011-03-02 21:09 ` [PATCH 06/27] HFI: Add DD calls to START/STOP INTERFACE HCALLs dykmanj
2011-03-02 21:09 ` [PATCH 07/27] HFI: Add nMMU start/stop hypervisor calls dykmanj
2011-03-02 21:09 ` [PATCH 08/27] HFI: DD request framework and first HFI DD request dykmanj
2011-03-02 21:09 ` [PATCH 09/27] HFI: Add HFI window resource tracking dykmanj
2011-03-02 21:09 ` [PATCH 10/27] HFI: HFIDD_REQ_OPEN_WINDOW request dykmanj
2011-03-02 21:09 ` [PATCH 11/27] HFI: Check window number/assign window number dykmanj
2011-03-02 21:09 ` [PATCH 12/27] HFI: Sanity check send and receive fifo parameters dykmanj
2011-03-02 21:09 ` [PATCH 13/27] HFI: Send and receive fifo address translation dykmanj
2011-03-02 21:10 ` dykmanj [this message]
2011-03-02 21:10 ` [PATCH 15/27] HFI: Set up nMMU page tables for the send and receive fifos dykmanj
2011-03-02 21:10 ` [PATCH 16/27] HFI: Add window open hypervisor call dykmanj
2011-03-02 21:10 ` [PATCH 17/27] HFI: Set up and call the open window hypercall dykmanj
2011-03-02 21:10 ` [PATCH 18/27] HFI: Map window registers into user process dykmanj
2011-03-02 21:10 ` [PATCH 19/27] HFI: Add window close request dykmanj
2011-03-02 21:10 ` [PATCH 20/27] HFI: Close window hypervisor call dykmanj
2011-03-02 21:10 ` [PATCH 21/27] HFI: Add send and receive interrupts dykmanj
2011-03-02 21:10 ` [PATCH 22/27] HFI: Add event notifications dykmanj
2011-03-02 21:10 ` [PATCH 23/27] HFI: Define packet header formats and window register offsets dykmanj
2011-03-02 21:10 ` [PATCH 24/27] HFI: hf network driver dykmanj
2011-03-02 22:26 ` Stephen Hemminger
2011-04-18 3:21 ` Jim Dykman
2011-03-02 22:40 ` Ben Hutchings
2011-04-18 3:21 ` Jim Dykman
2011-03-02 21:10 ` [PATCH 25/27] HFI: hf fifo transmit paths dykmanj
2011-03-02 21:10 ` [PATCH 26/27] HFI: hf fifo receive path dykmanj
2011-03-02 21:10 ` [PATCH 27/27] HFI: hf ethtool support dykmanj
2011-03-02 21:52 ` Ben Hutchings
2011-03-02 22:28 ` Jim Dykman
2011-03-02 22:32 ` David Miller
2011-03-03 14:07 ` [PATCH 01/27] HFI: skeleton driver Christoph Hellwig
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