From: Nicholas Bellinger
Add basic struct iscsit_transport API template to allow iscsi-target for
running with external transport modules using existing iscsi_target_core.h
code.
For all external modules, this calls try_module_get() and module_put()
to obtain + release an external iscsit_transpo
From: Nicholas Bellinger
This patch converts struct iscsi_cmd memory allocation + free to use
->iscsit_alloc_cmd() iscsit_transport API caller, and export
iscsit_allocate_cmd() symbols
Also add iscsi_cmd->release_cmd() to be used seperately from
iscsit_transport for connection/session shutdown.
From: Nicholas Bellinger
This patch refactors TX immediate + response queue handling to use
the new iscsit_transport API callers, and exports the necessary
traditional iscsi PDU response creation functions for iser-target
to utilize.
This includes:
- Add iscsit_build_datain_pdu() for DATAIN PDU
From: Nicholas Bellinger
This patch adds a new network portal attribute for iser, that lives
under existing iscsi-target configfs layout at:
/sys/kernel/config/target/iscsi/$TARGETNAME/$TPGT/np/$PORTAL/iser
When lio_target_np_store_iser() is enabled, iscsit_tpg_add_network_portal()
will atte
From: Nicholas Bellinger
This series is the third RFC for iSCSI Extensions for RDMA (ISER) target
mode support planned for an future v3.10 merge. This series refactors
existing traditional iscsi-target mode logic in order for external
ib_isert.ko module code to function with areas common to trad
From: Nicholas Bellinger
This patch refactors existing traditional iscsi RX side PDU handling
to use iscsit_transport, and exports the necessary logic for external
transport modules.
This includes:
- Refactor iscsit_handle_scsi_cmd() into PDU setup / processing
- Add updated iscsit_handle_scsi_
From: Nicholas Bellinger
This patch adds RDMAExtensions, InitiatorRecvDataSegmentLength and
TargetRecvDataSegmentLength parameters keys necessary for iser-target
login to occur.
This includes setting the necessary parameters during login path
code within iscsi_login_zero_tsih_s2(), and currently
From: Nicholas Bellinger
This patch performs the initial conversion of existing traditional iscsi
to use iscsit_transport API callers. This includes:
- iscsi-np cleanups for iscsit_transport_type
- Add iscsi-np transport calls w/ ->iscsit_setup_up() and ->iscsit_free_np()
- Convert login thread
From: Nicholas Bellinger
Export target_get_sess_cmd() symbol so that it can be used by
iscsi-target.
Signed-off-by: Nicholas Bellinger
---
drivers/target/target_core_transport.c |4 ++--
include/target/target_core_fabric.h|2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
dif
On Tue, 26 Mar 2013 00:01:38 -0700 Jingoo Han wrote:
> Add CONFIG_PM_SLEEP to suspend/resume functions to fix the following
> build warning when CONFIG_PM_SLEEP is not selected. This is because
> sleep PM callbacks defined by SIMPLE_DEV_PM_OPS are only used when
> the CONFIG_PM_SLEEP is enabled.
>
On 04/04/2013 10:24, Nicholas A. Bellinger wrote:
+
+void isert_cq_tx_callback(struct ib_cq *, void *);
+void isert_cq_rx_callback(struct ib_cq *, void *);
+void isert_free_rx_descriptors(struct isert_conn *);
any reason not to have these as static functions (same for isert_cq_rx_work)
--
To uns
On 04/04/2013 10:24, Nicholas A. Bellinger wrote:
+#define ISER_RECV_DATA_SEG_LEN 8192
+#define ISER_RX_PAYLOAD_SIZE(ISER_HEADERS_LEN + ISER_RECV_DATA_SEG_LEN)
[...]
+#define ISER_RX_PAD_SIZE (16384 - (ISER_RX_PAYLOAD_SIZE + \
+ sizeof(u64) + size
On 04/04/2013 10:24, Nicholas A. Bellinger wrote:
+static int
+isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
+{
+ struct isert_cmd *isert_cmd = container_of(cmd,
+ struct isert_cmd, iscsi_cmd);
+ struct isert_conn *isert_conn
On 03/31/2013 07:44 PM, Tomas Henzl wrote:
> On 03/30/2013 05:53 PM, Hannes Reinecke wrote:
>> On 03/29/2013 05:32 PM, Tomas Henzl wrote:
[ .. ]
>>>
>>> in scsi_report_lun_scan is max_lun compared with the result of
>>> scsilun_to_int,
>>> but in that value is also stored the address method. This
Here is the code snippet for scanning LUNS (drivers/scsi/scsi_scan.c in
function
__scsi_scan_target()):
/*
* Scan LUN 0, if there is some response, scan further. Ideally, we
* would not configure LUN 0 until all LUNs are scanned.
*/
res = scsi_probe_and
Resending with requested rewording of the parameter description.
Currently ALUA device handler sends STPG command during failover and failback.
Failover can be optimized by implicit failover (by not to sending STPG
command), when 1 is passed as hwhandler parameter in multipath.conf. ex "2 alua
1"
On Thu, 2013-04-04 at 08:12 -0700, K. Y. Srinivasan wrote:
> Here is the code snippet for scanning LUNS (drivers/scsi/scsi_scan.c in
> function
> __scsi_scan_target()):
>
> /*
> * Scan LUN 0, if there is some response, scan further. Ideally, we
> * would not configure L
> -Original Message-
> From: James Bottomley [mailto:jbottom...@parallels.com]
> Sent: Thursday, April 04, 2013 11:15 AM
> To: KY Srinivasan
> Cc: gre...@linuxfoundation.org; linux-ker...@vger.kernel.org;
> de...@linuxdriverproject.org; oher...@suse.com; h...@infradead.org; linux-
> s...@
On Thu, Mar 21, 2013 at 6:51 PM, Robert Hancock wrote:
> On 03/20/2013 10:35 PM, Myron Stowe wrote:
>>
>> Sysfs includes entries to memory regions that back a PCI device's BARs.
>> The pci-sysfs entries backing I/O Port BARs can be accessed by userspace,
>> providing direct access to the device's
Il 22/03/2013 23:30, Paolo Bonzini ha scritto:
> Il 20/02/2013 17:12, Paolo Bonzini ha scritto:
>> Il 06/02/2013 16:15, Paolo Bonzini ha scritto:
>>> This series regards the whitelist that is used for the SG_IO ioctl. This
>>> whitelist has three problems:
>>>
>>> * the bitmap of allowed commands
On Wed, Mar 20, 2013 at 10:35 PM, Myron Stowe wrote:
> With the 0x1b4b vendor ID #define in place, convert hard-coded ID values.
> Also, unify the previous SCSI specific use of this vendor ID to the new
> macro.
>
> Signed-off-by: Myron Stowe
> ---
>
> drivers/ata/ahci.c | 10 +--
On Thu, 2013-04-04 at 12:20 +0300, Or Gerlitz wrote:
> On 04/04/2013 10:24, Nicholas A. Bellinger wrote:
> > +
> > +void isert_cq_tx_callback(struct ib_cq *, void *);
> > +void isert_cq_rx_callback(struct ib_cq *, void *);
> > +void isert_free_rx_descriptors(struct isert_conn *);
> any reason not t
On Thu, 2013-04-04 at 12:45 +0300, Or Gerlitz wrote:
> On 04/04/2013 10:24, Nicholas A. Bellinger wrote:
>
> > +#define ISER_RECV_DATA_SEG_LEN 8192
> > +#define ISER_RX_PAYLOAD_SIZE(ISER_HEADERS_LEN + ISER_RECV_DATA_SEG_LEN)
> > [...]
> > +#define ISER_RX_PAD_SIZE (16384 - (ISER_RX_PAYLOAD_
On Thu, 2013-04-04 at 12:51 +0300, Or Gerlitz wrote:
> On 04/04/2013 10:24, Nicholas A. Bellinger wrote:
> > +static int
> > +isert_put_response(struct iscsi_conn *conn, struct iscsi_cmd *cmd)
> > +{
> > + struct isert_cmd *isert_cmd = container_of(cmd,
> > + str
On 04/02/2013 07:09 PM, Mikulas Patocka wrote:
> Hi
>
> This fixes a possible race in scsi_dh_emc. It is untested because I don't
> have the hardware. It could happen when we reload a multipath device and
> path failure happens at the same time.
I think this patch is ok. I do not have the hw t
I can test it. I have a clarion Cx3
Will get to it next week, traveling tomorrow
Laurence
Sent from my iPhone
On Apr 4, 2013, at 7:11 PM, Mike Christie wrote:
> On 04/02/2013 07:09 PM, Mikulas Patocka wrote:
>> Hi
>>
>> This fixes a possible race in scsi_dh_emc. It is untested because I don't
Hi,
I am new to Linux Device Driver and reading LDD3.
It mentions that the disadvantage of dynamic major number allocation
is that you can’t create the device nodes in
advance, because the major number assigned to your module will vary.
To solve this problem, it says that create a script to invo
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