#
1516ee035 |
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07-Aug-2023 |
Nilesh Javali <njavali@marvell.com> |
scsi: qedi: Fix firmware halt over suspend and resume While performing certain power-off sequences, PCI drivers are called to suspend and resume their underlying devices through PCI PM (power management) interface. However the hardware does not support PCI PM suspend/resume operations so system wide suspend/resume leads to bad MFW (management firmware) state which causes various follow-up errors in driver when communicating with the device/firmware. To fix this driver implements PCI PM suspend handler to indicate unsupported operation to the PCI subsystem explicitly, thus avoiding system to go into suspended/standby mode. Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Signed-off-by: Nilesh Javali <njavali@marvell.com> Link: https://lore.kernel.org/r/20230807093725.46829-2-njavali@marvell.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
dd64f805 |
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25-Jul-2023 |
Chengfeng Ye <dg573847474@gmail.com> |
scsi: qedi: Fix potential deadlock on &qedi_percpu->p_work_lock As &qedi_percpu->p_work_lock is acquired by hard IRQ qedi_msix_handler(), other acquisitions of the same lock under process context should disable IRQ, otherwise deadlock could happen if the IRQ preempts the execution while the lock is held in process context on the same CPU. qedi_cpu_offline() is one such function which acquires the lock in process context. [Deadlock Scenario] qedi_cpu_offline() ->spin_lock(&p->p_work_lock) <irq> ->qedi_msix_handler() ->edi_process_completions() ->spin_lock_irqsave(&p->p_work_lock, flags); (deadlock here) This flaw was found by an experimental static analysis tool I am developing for IRQ-related deadlocks. The tentative patch fix the potential deadlock by spin_lock_irqsave() under process context. Signed-off-by: Chengfeng Ye <dg573847474@gmail.com> Link: https://lore.kernel.org/r/20230726125655.4197-1-dg573847474@gmail.com Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
2f4113b3 |
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17-May-2023 |
Azeem Shaikh <azeemshaikh38@gmail.com> |
scsi: qedi: Replace all non-returning strlcpy with strscpy strlcpy() reads the entire source buffer first. This read may exceed the destination size limit. This is both inefficient and can lead to linear read overflows if a source string is not NUL-terminated [1]. In an effort to remove strlcpy() completely [2], replace strlcpy() here with strscpy(). No return values were used, so direct replacement is safe. [1] https://www.kernel.org/doc/html/latest/process/deprecated.html#strlcpy [2] https://github.com/KSPP/linux/issues/89 Signed-off-by: Azeem Shaikh <azeemshaikh38@gmail.com> Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Kees Cook <keescook@chromium.org> Link: https://lore.kernel.org/r/20230517143509.1520387-1-azeemshaikh38@gmail.com
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#
c5749639 |
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12-Apr-2023 |
Zheng Wang <zyytlz.wz@163.com> |
scsi: qedi: Fix use after free bug in qedi_remove() In qedi_probe() we call __qedi_probe() which initializes &qedi->recovery_work with qedi_recovery_handler() and &qedi->board_disable_work with qedi_board_disable_work(). When qedi_schedule_recovery_handler() is called, schedule_delayed_work() will finally start the work. In qedi_remove(), which is called to remove the driver, the following sequence may be observed: Fix this by finishing the work before cleanup in qedi_remove(). CPU0 CPU1 |qedi_recovery_handler qedi_remove | __qedi_remove | iscsi_host_free | scsi_host_put | //free shost | |iscsi_host_for_each_session |//use qedi->shost Cancel recovery_work and board_disable_work in __qedi_remove(). Fixes: 4b1068f5d74b ("scsi: qedi: Add MFW error recovery process") Signed-off-by: Zheng Wang <zyytlz.wz@163.com> Link: https://lore.kernel.org/r/20230413033422.28003-1-zyytlz.wz@163.com Acked-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
8032bf12 |
|
09-Oct-2022 |
Jason A. Donenfeld <Jason@zx2c4.com> |
treewide: use get_random_u32_below() instead of deprecated function This is a simple mechanical transformation done by: @@ expression E; @@ - prandom_u32_max + get_random_u32_below (E) Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs Reviewed-by: SeongJae Park <sj@kernel.org> # for damon Reviewed-by: Jason Gunthorpe <jgg@nvidia.com> # for infiniband Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk> # for arm Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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#
81895a65 |
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05-Oct-2022 |
Jason A. Donenfeld <Jason@zx2c4.com> |
treewide: use prandom_u32_max() when possible, part 1 Rather than incurring a division or requesting too many random bytes for the given range, use the prandom_u32_max() function, which only takes the minimum required bytes from the RNG and avoids divisions. This was done mechanically with this coccinelle script: @basic@ expression E; type T; identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32"; typedef u64; @@ ( - ((T)get_random_u32() % (E)) + prandom_u32_max(E) | - ((T)get_random_u32() & ((E) - 1)) + prandom_u32_max(E * XXX_MAKE_SURE_E_IS_POW2) | - ((u64)(E) * get_random_u32() >> 32) + prandom_u32_max(E) | - ((T)get_random_u32() & ~PAGE_MASK) + prandom_u32_max(PAGE_SIZE) ) @multi_line@ identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32"; identifier RAND; expression E; @@ - RAND = get_random_u32(); ... when != RAND - RAND %= (E); + RAND = prandom_u32_max(E); // Find a potential literal @literal_mask@ expression LITERAL; type T; identifier get_random_u32 =~ "get_random_int|prandom_u32|get_random_u32"; position p; @@ ((T)get_random_u32()@p & (LITERAL)) // Add one to the literal. @script:python add_one@ literal << literal_mask.LITERAL; RESULT; @@ value = None if literal.startswith('0x'): value = int(literal, 16) elif literal[0] in '123456789': value = int(literal, 10) if value is None: print("I don't know how to handle %s" % (literal)) cocci.include_match(False) elif value == 2**32 - 1 or value == 2**31 - 1 or value == 2**24 - 1 or value == 2**16 - 1 or value == 2**8 - 1: print("Skipping 0x%x for cleanup elsewhere" % (value)) cocci.include_match(False) elif value & (value + 1) != 0: print("Skipping 0x%x because it's not a power of two minus one" % (value)) cocci.include_match(False) elif literal.startswith('0x'): coccinelle.RESULT = cocci.make_expr("0x%x" % (value + 1)) else: coccinelle.RESULT = cocci.make_expr("%d" % (value + 1)) // Replace the literal mask with the calculated result. @plus_one@ expression literal_mask.LITERAL; position literal_mask.p; expression add_one.RESULT; identifier FUNC; @@ - (FUNC()@p & (LITERAL)) + prandom_u32_max(RESULT) @collapse_ret@ type T; identifier VAR; expression E; @@ { - T VAR; - VAR = (E); - return VAR; + return E; } @drop_var@ type T; identifier VAR; @@ { - T VAR; ... when != VAR } Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Kees Cook <keescook@chromium.org> Reviewed-by: Yury Norov <yury.norov@gmail.com> Reviewed-by: KP Singh <kpsingh@kernel.org> Reviewed-by: Jan Kara <jack@suse.cz> # for ext4 and sbitmap Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> # for drbd Acked-by: Jakub Kicinski <kuba@kernel.org> Acked-by: Heiko Carstens <hca@linux.ibm.com> # for s390 Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for mmc Acked-by: Darrick J. Wong <djwong@kernel.org> # for xfs Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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#
31500e90 |
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16-Jun-2022 |
Mike Christie <michael.christie@oracle.com> |
scsi: iscsi: Fix session removal on shutdown When the system is shutting down, iscsid is not running so we will not get a response to the ISCSI_ERR_INVALID_HOST error event. The system shutdown will then hang waiting on userspace to remove the session. This has libiscsi force the destruction of the session from the kernel when iscsi_host_remove() is called from a driver's shutdown callout. This fixes a regression added in qedi boot with commit d1f2ce77638d ("scsi: qedi: Fix host removal with running sessions") which made qedi use the common session removal function that waits on userspace instead of rolling its own kernel based removal. Link: https://lore.kernel.org/r/20220616222738.5722-7-michael.christie@oracle.com Fixes: d1f2ce77638d ("scsi: qedi: Fix host removal with running sessions") Tested-by: Nilesh Javali <njavali@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
7bf01eb0 |
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16-Jun-2022 |
Mike Christie <michael.christie@oracle.com> |
scsi: qedi: Use QEDI_MODE_NORMAL for error handling When handling errors that lead to host removal use QEDI_MODE_NORMAL. There is currently no difference in behavior between NORMAL and SHUTDOWN, but in a subsequent commit we will want to know when we are called from the pci_driver shutdown callout vs remove/err_handler so we know when userspace is up. Link: https://lore.kernel.org/r/20220616222738.5722-6-michael.christie@oracle.com Tested-by: Nilesh Javali <njavali@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
0603be71 |
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26-Jan-2022 |
Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn> |
scsi: qedi: Remove redundant flush_workqueue() calls destroy_workqueue() already drains the queue before destroying it, so there is no need to flush it explicitly. Remove the redundant flush_workqueue() calls. Link: https://lore.kernel.org/r/20220127013934.1184923-1-chi.minghao@zte.com.cn Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn> Signed-off-by: CGEL ZTE <cgel.zte@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
9f9b7fa9 |
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30-Nov-2021 |
Florian Fainelli <f.fainelli@gmail.com> |
scsi: qedi: Fix SYSFS_FLAG_FW_SEL_BOOT formatting The format used for formatting SYSFS_FLAG_FW_SEL_BOOT creates the following warning: drivers/scsi/qedi/qedi_main.c:2259:35: warning: format specifies type 'char' but the argument has type 'int' [-Wformat] rc = snprintf(buf, 3, "%hhd\n", SYSFS_FLAG_FW_SEL_BOOT); Fix this to cast the constant as a char since the intention is to print it via sysfs as a byte. Link: https://lore.kernel.org/r/20211130203813.12138-2-f.fainelli@gmail.com Reported-by: kernel test robot <lkp@intel.com> Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
6d8619f0 |
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26-Nov-2021 |
Florian Fainelli <f.fainelli@gmail.com> |
scsi: qedi: Remove set but unused 'page' variable The variable 'page' is set but never used throughout qedi_alloc_bdq(). Therefore remove it. Link: https://lore.kernel.org/r/20211126201708.27140-2-f.fainelli@gmail.com Reported-by: kernel test robot <lkp@intel.com> Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
a64aa0a8 |
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04-Oct-2021 |
Prabhakar Kushwaha <pkushwaha@marvell.com> |
qed: Update the TCP active termination 2 MSL timer ("TIME_WAIT") Initialize 2 MSL timeout value used for the TCP TIME_WAIT state to non-zero default. This patch also removes magic number from qedi/qedi_main.c. Reviewed-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Nikolay Assa <nassa@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: Shai Malin <smalin@marvell.com> Signed-off-by: Omkar Kulkarni <okulkarni@marvell.com> Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
3a6f5d0c |
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04-Oct-2021 |
Nikolay Assa <nassa@marvell.com> |
qed: Update TCP silly-window-syndrome timeout for iwarp, scsi Update TCP silly-window-syndrome timeout, for the cases where initiator's small TCP window size prevents FW from transmitting packets on the connection. Timeout causes FW to retransmit window probes if needed, preventing I/O stall if initiator ignores first window probe. Reviewed-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Nikolay Assa <nassa@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: Shai Malin <smalin@marvell.com> Signed-off-by: Omkar Kulkarni <okulkarni@marvell.com> Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
fb09a1ed |
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04-Oct-2021 |
Shai Malin <smalin@marvell.com> |
qed: Remove e4_ and _e4 from FW HSI The existing qed/qede/qedr/qedi/qedf code uses chip-specific naming in structures, functions, variables and defines in FW HSI (Hardware Software Interface). The new FW version introduced a generic naming convention in HSI in-which the same code will be used across different versions for simpler maintainability. It also eases in providing support for new features. With this patch every "_e4" or "e4_" prefix or suffix is not needed anymore and it will be removed. Reviewed-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Javed Hasan <jhasan@marvell.com> Signed-off-by: Ariel Elior <aelior@marvell.com> Signed-off-by: Omkar Kulkarni <okulkarni@marvell.com> Signed-off-by: Shai Malin <smalin@marvell.com> Signed-off-by: Prabhakar Kushwaha <pkushwaha@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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#
4dbe57d4 |
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10-Aug-2021 |
Dan Carpenter <dan.carpenter@oracle.com> |
scsi: qedi: Fix error codes in qedi_alloc_global_queues() This function had some left over code that returned 1 on error instead negative error codes. Convert everything to use negative error codes. The caller treats all non-zero returns the same so this does not affect run time. A couple places set "rc" instead of "status" so those error paths ended up returning success by mistake. Get rid of the "rc" variable and use "status" everywhere. Remove the bogus "status = 0" initialization, as a future proofing measure so the compiler will warn about uninitialized error codes. Link: https://lore.kernel.org/r/20210810084753.GD23810@kili Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
d1f2ce77 |
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09-Jun-2021 |
Mike Christie <michael.christie@oracle.com> |
scsi: qedi: Fix host removal with running sessions qedi_clear_session_ctx() could race with the in-kernel or userspace driven recovery/removal and we could access a NULL conn or do a double free. We should be using iscsi_host_remove() to start the removal process from the driver. It will start the in-kernel recovery and notify userspace that the driver's scsi_hosts are being removed. iscsid will then drive the session removal like is done when the logout command is run. When the sessions are removed, iscsi_host_remove() will return so qedi can finish knowing there are no running sessions and no new sessions will be allowed. This also fixes an issue where we check for a NULL conn after already accessing it introduced in commit 27e986289e73 ("scsi: iscsi: Drop suspend calls from ep_disconnect") by just removing the function completely. Link: https://lore.kernel.org/r/20210609192709.5094-1-michael.christie@oracle.com Fixes: 27e986289e73 ("scsi: iscsi: Drop suspend calls from ep_disconnect") Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
bdd4aad7 |
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25-May-2021 |
Mike Christie <michael.christie@oracle.com> |
scsi: iscsi: Fix shost->max_id use The iscsi offload drivers are setting the shost->max_id to the max number of sessions they support. The problem is that max_id is not the max number of targets but the highest identifier the targets can have. To use it to limit the number of targets we need to set it to max sessions - 1, or we can end up with a session we might not have preallocated resources for. Link: https://lore.kernel.org/r/20210525181821.7617-15-michael.christie@oracle.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
8dc60252 |
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27-Mar-2021 |
Colin Ian King <colin.king@canonical.com> |
scsi: qedi: Remove redundant assignment to variable err Variable err is assigned -ENOMEM followed by an error return path via label err_udev that does not access the variable and returns with the -ENOMEM error return code. The assignment to err is redundant and can be removed. Link: https://lore.kernel.org/r/20210327230650.25803-1-colin.king@canonical.com Addresses-Coverity: ("Unused value") Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
f6995383 |
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07-Mar-2021 |
Jia-Ju Bai <baijiaju1990@gmail.com> |
scsi: qedi: Fix error return code of qedi_alloc_global_queues() When kzalloc() returns NULL to qedi->global_queues[i], no error return code of qedi_alloc_global_queues() is assigned. To fix this bug, status is assigned with -ENOMEM in this case. Link: https://lore.kernel.org/r/20210308033024.27147-1-baijiaju1990@gmail.com Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Reported-by: TOTE Robot <oslab@tsinghua.edu.cn> Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
d50c7986 |
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17-Dec-2020 |
Nilesh Javali <njavali@marvell.com> |
scsi: qedi: Correct max length of CHAP secret The CHAP secret displayed garbage characters causing iSCSI login authentication failure. Correct the CHAP password max length. Link: https://lore.kernel.org/r/20201217105144.8055-1-njavali@marvell.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
62eebd52 |
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09-Nov-2020 |
Qinglang Miao <miaoqinglang@huawei.com> |
scsi: qedi: Fix missing destroy_workqueue() on error in __qedi_probe Add the missing destroy_workqueue() before return from __qedi_probe in the error handling case when fails to create workqueue qedi->offload_thread. Link: https://lore.kernel.org/r/20201109091518.55941-1-miaoqinglang@huawei.com Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Reviewed-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
7dc71ac8 |
|
24-Sep-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Add schedule_hw_err_handler callback for fan failure On fan failure event from MFW, bring down active connections and unload the firmware context. Link: https://lore.kernel.org/r/20200924070338.8270-1-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
96a766a7 |
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08-Sep-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Add support for handling PCIe errors The error recovery is handled by management firmware (MFW) with the help of qed/qedi drivers. Upon detecting errors, driver informs MFW about this event which in turn starts a recovery process. MFW sends ERROR_RECOVERY notification to the driver which performs the required cleanup/recovery from the driver side. Link: https://lore.kernel.org/r/20200908095657.26821-9-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
f4ba4e55 |
|
08-Sep-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Add firmware error recovery invocation support Add support to initiate MFW process recovery for all the devices if storage function receives the event first. Also added fix for kernel test robot warning, >> drivers/scsi/qedi/qedi_main.c:1119:6: warning: no previous prototype >> for 'qedi_schedule_hw_err_handler' [-Wmissing-prototypes] Link: https://lore.kernel.org/r/20200908095657.26821-8-mrangankar@marvell.com Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
4118879b |
|
08-Sep-2020 |
Nilesh Javali <njavali@marvell.com> |
scsi: qedi: Mark all connections for recovery on link down event For short time cable pulls, the in-flight I/O to the firmware is never cleaned up, resulting in the behaviour of stale I/O completion causing list_del corruption and soft lockup of the system. On link down event, mark all the connections for recovery, causing cleanup of all the in-flight I/O immediately. Link: https://lore.kernel.org/r/20200908095657.26821-7-mrangankar@marvell.com Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
5a2e69af |
|
08-Sep-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Use snprintf instead of sprintf Use snprintf to limit max number of bytes to the buffer. Link: https://lore.kernel.org/r/20200908095657.26821-6-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
3f8ad007 |
|
08-Sep-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Use qed count from set_fp_int in msix allocation To avoid unnecessary vector allocation when the number of fast-path queues is less then available msix vectors, use return count from module qed->set_fp_int. Link: https://lore.kernel.org/r/20200908095657.26821-2-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
9535f215 |
|
27-Aug-2020 |
Xu Wang <vulab@iscas.ac.cn> |
scsi: qedi: Remove redundant NULL check kfree_skb() handles a NULL skb argument so the additional check is unnecessary. Remove it. Link: https://lore.kernel.org/r/20200827092606.32148-1-vulab@iscas.ac.cn Signed-off-by: Xu Wang <vulab@iscas.ac.cn> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
3db05fed |
|
23-Jul-2020 |
Lee Jones <lee.jones@linaro.org> |
scsi: qedi: Demote seemingly unintentional kerneldoc header This is the only use of kerneldoc in the source file and no descriptions are provided. Fixes the following W=1 kernel build warning(s): drivers/scsi/qedi/qedi_main.c:1969: warning: Function parameter or member 'qedi' not described in 'qedi_get_nvram_block' Link: https://lore.kernel.org/r/20200723122446.1329773-37-lee.jones@linaro.org Cc: QLogic-Storage-Upstream@cavium.com Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
e4020e08 |
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23-Jul-2020 |
Lee Jones <lee.jones@linaro.org> |
scsi: qedi: Remove 2 set but unused variables Fixes the following W=1 kernel build warning(s): drivers/scsi/qedi/qedi_main.c: In function ‘qedi_queue_cqe’: drivers/scsi/qedi/qedi_main.c:1158:21: warning: variable ‘conn’ set but not used [-Wunused-but-set-variable] 1158 | struct iscsi_conn *conn; | ^~~~ drivers/scsi/qedi/qedi_main.c: In function ‘__qedi_probe’: drivers/scsi/qedi/qedi_main.c:2432:6: warning: variable ‘tmp’ set but not used [-Wunused-but-set-variable] 2432 | u16 tmp; | ^~~ Link: https://lore.kernel.org/r/20200723122446.1329773-12-lee.jones@linaro.org Cc: QLogic-Storage-Upstream@cavium.com Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
f9491ed5 |
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05-May-2020 |
Xie XiuQi <xiexiuqi@huawei.com> |
scsi: qedi: Remove unused variable udev & uctrl uctrl and udev are unused after commit 9632a6b4b747 ("scsi: qedi: Move LL2 producer index processing in BH.") Remove them. Link: https://lore.kernel.org/r/20200505121904.25702-1-xiexiuqi@huawei.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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9187745c |
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30-Apr-2020 |
Jason Yan <yanaijie@huawei.com> |
scsi: qedi: Remove comparison of 0/1 to bool variable Fix the following coccicheck warning: drivers/scsi/qedi/qedi_main.c:1309:5-25: WARNING: Comparison of 0/1 to bool variable drivers/scsi/qedi/qedi_main.c:1315:5-25: WARNING: Comparison of 0/1 to bool variable Link: https://lore.kernel.org/r/20200430121706.14879-1-yanaijie@huawei.com Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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44578ece |
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15-Apr-2020 |
Jason Yan <yanaijie@huawei.com> |
scsi: qedi: make qedi_ll2_buf_size static Fix the following sparse warning: drivers/scsi/qedi/qedi_main.c:44:6: warning: symbol 'qedi_ll2_buf_size' was not declared. Should it be static? Link: https://lore.kernel.org/r/20200415085029.7170-1-yanaijie@huawei.com Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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c6bfa707 |
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08-Apr-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Add modules param to enable qed iSCSI debug Add module parameter to enable debug messages specific to iSCSI functions. Link: https://lore.kernel.org/r/20200408064332.19377-6-mrangankar@marvell.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
cf9e672d |
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08-Apr-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Use correct msix count for fastpath vectors Use MSI-X count provided by qed. Link: https://lore.kernel.org/r/20200408064332.19377-4-mrangankar@marvell.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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2f1ea398 |
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08-Apr-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Remove additional char from boot target iqnname While parsing the iSCSI TLV data to MFW request, a newline was added to the firmware boot target iqnname string. Because of this, we were getting the following error even after the boot target was successfully logged in: "[qedi_get_protocol_tlv_data:1197]:1: Boot target not set" Remove the trailing newline. [mkp: clarified commit desc] Link: https://lore.kernel.org/r/20200408064332.19377-2-mrangankar@marvell.com Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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4f93c4bf |
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19-Mar-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Add PCI shutdown handler support Add PCI shutdown handler support for supporting wake-on-lan feature. Link: https://lore.kernel.org/r/20200319083811.19499-3-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Nilesh Javali <njavali@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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4b1068f5 |
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19-Mar-2020 |
Manish Rangankar <mrangankar@marvell.com> |
scsi: qedi: Add MFW error recovery process This patch adds the mfw error recovery process in the qedi driver. The process includes a partial/customized driver unload and load to reset context by preserving active iSCSI session kernel state. Link: https://lore.kernel.org/r/20200319083811.19499-2-mrangankar@marvell.com Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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1ac3549e |
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12-Jun-2019 |
Nilesh Javali <njavali@marvell.com> |
scsi: qedi: Check targetname while finding boot target information The kernel panic was observed during iSCSI discovery via offload with below call trace, [ 2115.646901] BUG: unable to handle kernel NULL pointer dereference at (null) [ 2115.646909] IP: [<ffffffffacf7f0cc>] strncmp+0xc/0x60 [ 2115.646927] PGD 0 [ 2115.646932] Oops: 0000 [#1] SMP [ 2115.647107] CPU: 24 PID: 264 Comm: kworker/24:1 Kdump: loaded Tainted: G OE ------------ 3.10.0-957.el7.x86_64 #1 [ 2115.647133] Workqueue: slowpath-13:00. qed_slowpath_task [qed] [ 2115.647135] task: ffff8d66af80b0c0 ti: ffff8d66afb80000 task.ti: ffff8d66afb80000 [ 2115.647136] RIP: 0010:[<ffffffffacf7f0cc>] [<ffffffffacf7f0cc>] strncmp+0xc/0x60 [ 2115.647141] RSP: 0018:ffff8d66afb83c68 EFLAGS: 00010206 [ 2115.647143] RAX: 0000000000000001 RBX: 0000000000000007 RCX: 000000000000000a [ 2115.647144] RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8d632b3ba040 [ 2115.647145] RBP: ffff8d66afb83c68 R08: 0000000000000000 R09: 000000000000ffff [ 2115.647147] R10: 0000000000000007 R11: 0000000000000800 R12: ffff8d66a30007a0 [ 2115.647148] R13: ffff8d66747a3c10 R14: ffff8d632b3ba000 R15: ffff8d66747a32f8 [ 2115.647149] FS: 0000000000000000(0000) GS:ffff8d66aff00000(0000) knlGS:0000000000000000 [ 2115.647151] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2115.647152] CR2: 0000000000000000 CR3: 0000000509610000 CR4: 00000000007607e0 [ 2115.647153] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2115.647154] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2115.647155] PKRU: 00000000 [ 2115.647157] Call Trace: [ 2115.647165] [<ffffffffc0634cc5>] qedi_get_protocol_tlv_data+0x2c5/0x510 [qedi] [ 2115.647184] [<ffffffffc05968f5>] ? qed_mfw_process_tlv_req+0x245/0xbe0 [qed] [ 2115.647195] [<ffffffffc05496cb>] qed_mfw_fill_tlv_data+0x4b/0xb0 [qed] [ 2115.647206] [<ffffffffc0596911>] qed_mfw_process_tlv_req+0x261/0xbe0 [qed] [ 2115.647215] [<ffffffffacce0e8e>] ? dequeue_task_fair+0x41e/0x660 [ 2115.647221] [<ffffffffacc2a59e>] ? __switch_to+0xce/0x580 [ 2115.647230] [<ffffffffc0546013>] qed_slowpath_task+0xa3/0x160 [qed] [ 2115.647278] RIP [<ffffffffacf7f0cc>] strncmp+0xc/0x60 Fix kernel panic by validating the session targetname before providing TLV data and confirming the presence of boot targets. Signed-off-by: Nilesh Javali <njavali@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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3287e96a |
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01-Jun-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 440 Based on 1 normalized pattern(s): this software is available under the terms of the gnu general public license gpl version 2 available from the file copying in the main directory of this source tree extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 35 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190531190115.411886531@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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2bfbc570 |
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26-May-2019 |
Manish Rangankar <mrangankar@marvell.com> |
qedi: Use hwfns and affin_hwfn_idx to get MSI-X vector index MSI-X vector index is determined using qed device information and affinity to use. Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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13b99d3d |
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26-May-2019 |
Manish Rangankar <mrangankar@marvell.com> |
Revert "scsi: qedi: Allocate IRQs based on msix_cnt" Always request for number of irqs equals to number of queues. This reverts commit 1a291bce5eaf5374627d337157544aa6499ce34a. Signed-off-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Ariel Elior <ariel.elior@marvell.com> Signed-off-by: Michal Kalderon <michal.kalderon@marvell.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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872e192f |
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27-Mar-2019 |
Colin Ian King <colin.king@canonical.com> |
scsi: qedi: remove declaration of nvm_image from stack The nvm_image is a large struct qedi_nvm_iscsi_image object of over 24K so don't declare it on the stack just for a sizeof requirement; use sizeof on struct qedi_nvm_iscsi_image instead. Fixes: c77a2fa3ff8f ("scsi: qedi: Add the CRC size within iSCSI NVM image") Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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750afb08 |
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04-Jan-2019 |
Luis Chamberlain <mcgrof@kernel.org> |
cross-tree: phase out dma_zalloc_coherent() We already need to zero out memory for dma_alloc_coherent(), as such using dma_zalloc_coherent() is superflous. Phase it out. This change was generated with the following Coccinelle SmPL patch: @ replace_dma_zalloc_coherent @ expression dev, size, data, handle, flags; @@ -dma_zalloc_coherent(dev, size, handle, flags) +dma_alloc_coherent(dev, size, handle, flags) Suggested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Luis Chamberlain <mcgrof@kernel.org> [hch: re-ran the script on the latest tree] Signed-off-by: Christoph Hellwig <hch@lst.de>
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9632a6b4 |
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21-Nov-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Move LL2 producer index processing in BH. 1. Removed logic to update HW producer index in interrupt context. 2. Update HW producer index after UIO ring and buffer gets initialized. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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dcceeeb7 |
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21-Nov-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: add module param to set ping packet size Default packet size is 0x400. For jumbo packets set to 0x2400. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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cdd3ff87 |
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21-Nov-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Add packet filter in light L2 Rx path. Add packet filter to avoid unnecessary packet processing in iscsiuio. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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d5632b11 |
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21-Nov-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Check for session online before getting iSCSI TLV data. The kernel panic was observed after switch side perturbation, BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<ffffffff8132b5a0>] strcmp+0x20/0x40 PGD 0 Oops: 0000 [#1] SMP CPU: 8 PID: 647 Comm: kworker/8:1 Tainted: G W OE ------------ 3.10.0-693.el7.x86_64 #1 Hardware name: HPE ProLiant DL380 Gen10/ProLiant DL380 Gen10, BIOS U30 06/20/2018 Workqueue: slowpath-13:00. qed_slowpath_task [qed] task: ffff880429eb8fd0 ti: ffff880429190000 task.ti: ffff880429190000 RIP: 0010:[<ffffffff8132b5a0>] [<ffffffff8132b5a0>] strcmp+0x20/0x40 RSP: 0018:ffff880429193c68 EFLAGS: 00010202 RAX: 000000000000000a RBX: 0000000000000002 RCX: 0000000000000000 RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff88042bda7a41 RBP: ffff880429193c68 R08: 000000000000ffff R09: 000000000000ffff R10: 0000000000000007 R11: ffff88042b3af338 R12: ffff880420b007a0 R13: ffff88081aa56af8 R14: 0000000000000001 R15: ffff88081aa50410 FS: 0000000000000000(0000) GS:ffff88042fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000019f2000 CR4: 00000000003407e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff880429193d20 ffffffffc02a0c90 ffffc90004b32000 ffff8803fd3ec600 ffff88042bda7800 ffff88042bda7a00 ffff88042bda7840 ffff88042bda7a40 0000000129193d10 2e3836312e323931 ff000a342e363232 ffffffffc01ad99d Call Trace: [<ffffffffc02a0c90>] qedi_get_protocol_tlv_data+0x270/0x470 [qedi] [<ffffffffc01ad99d>] ? qed_mfw_process_tlv_req+0x24d/0xbf0 [qed] [<ffffffffc01653ae>] qed_mfw_fill_tlv_data+0x5e/0xd0 [qed] [<ffffffffc01ad9b9>] qed_mfw_process_tlv_req+0x269/0xbf0 [qed] Fix kernel NULL pointer deref by checking for session is online before getting iSCSI TLV data. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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1a291bce |
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21-Nov-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Allocate IRQs based on msix_cnt The driver load on some systems failed with error, [0004:01:00.5]:[qedi_request_msix_irq:2524]:8: request_irq failed. Allocate the IRQs based on MSIX count obtained from qed module instead of number of queues. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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fa97c511 |
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21-Nov-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Replace PAGE_SIZE with QEDI_PAGE_SIZE Use QEDI_PAGE_SIZE for enablement of module on systems with 64K page size. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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f853053d |
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21-Nov-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Fix spelling mistake "OUSTANDING" -> "OUTSTANDING" Fix trivial spelling mistake within macro definition. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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f664a3cc |
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01-Nov-2018 |
Jens Axboe <axboe@kernel.dk> |
scsi: kill off the legacy IO path This removes the legacy (non-mq) IO path for SCSI. Cc: linux-scsi@vger.kernel.org Acked-by: Himanshu Madhani <himanshu.madhani@cavium.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Tested-by: Ming Lei <ming.lei@redhat.com> Reviewed-by: Omar Sandoval <osandov@fb.com> Acked-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
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7ae7ce0b |
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10-Oct-2018 |
Christoph Hellwig <hch@lst.de> |
scsi: qedi: fully convert to the generic DMA API The driver is currently using an odd mix of legacy PCI DMA API and generic DMA API calls, switch it over to the generic API entirely. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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3cc5746e |
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27-Sep-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Initialize the stats mutex lock Fix kernel NULL pointer dereference, Call Trace: [<ffffffff9b7658e6>] __mutex_lock_slowpath+0xa6/0x1d0 [<ffffffff9b764cef>] mutex_lock+0x1f/0x2f [<ffffffffc061b5e1>] qedi_get_protocol_tlv_data+0x61/0x450 [qedi] [<ffffffff9b1f9d8e>] ? map_vm_area+0x2e/0x40 [<ffffffff9b1fc370>] ? __vmalloc_node_range+0x170/0x280 [<ffffffffc0b81c3d>] ? qed_mfw_process_tlv_req+0x27d/0xbd0 [qed] [<ffffffffc0b6461b>] qed_mfw_fill_tlv_data+0x4b/0xb0 [qed] [<ffffffffc0b81c59>] qed_mfw_process_tlv_req+0x299/0xbd0 [qed] [<ffffffff9b02a59e>] ? __switch_to+0xce/0x580 [<ffffffffc0b61e5b>] qed_slowpath_task+0x5b/0x80 [qed] Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
c77a2fa3 |
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30-Aug-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Add the CRC size within iSCSI NVM image The QED driver commit, 1ac4329a1cff ("qed: Add configuration information to register dump and debug data"), removes the CRC length validation causing nvm_get_image failure while loading qedi driver: [qed_mcp_get_nvm_image:2700(host_10-0)]Image [0] is too big - 00006008 bytes where only 00006004 are available [qedi_get_boot_info:2253]:10: Could not get NVM image. ret = -12 Hence add and adjust the CRC size to iSCSI NVM image to read boot info at qedi load time. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
15d25867 |
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26-Jul-2018 |
Bart Van Assche <bvanassche@acm.org> |
scsi: qedi: Fix a potential buffer overflow Tell snprintf() to store at most 255 characters in the output buffer instead of 256. This patch avoids that smatch reports the following warning: drivers/scsi/qedi/qedi_main.c:891: qedi_get_boot_tgt_info() error: snprintf() is printing too much 256 vs 255 Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com> Cc: <QLogic-Storage-Upstream@cavium.com> Cc: <stable@vger.kernel.org> Acked-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
a3440d0d |
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03-Jul-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Send driver state to MFW In case of iSCSI offload BFS environment, MFW requires to mark virtual link based upon qedi load status. Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
915d9b71 |
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27-Jun-2018 |
Dan Carpenter <dan.carpenter@oracle.com> |
scsi: qedi: tidy up a size calculation The id_tbl->table pointer points to unsigned long so static checkers complain that instead of 4 we should be allocating sizeof(long) bytes. We're trying to allocate enough bits for the bitmap. The size variable is always 1024. (1024 / 32 * 4) is the same as (1024 / 64 * 8) so this doesn't change runtime, but this is the more idiomatic way to do it and makes the static checker happy. [mkp: typo] Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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6396bb22 |
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12-Jun-2018 |
Kees Cook <keescook@chromium.org> |
treewide: kzalloc() -> kcalloc() The kzalloc() function has a 2-factor argument form, kcalloc(). This patch replaces cases of: kzalloc(a * b, gfp) with: kcalloc(a * b, gfp) as well as handling cases of: kzalloc(a * b * c, gfp) with: kzalloc(array3_size(a, b, c), gfp) as it's slightly less ugly than: kzalloc_array(array_size(a, b), c, gfp) This does, however, attempt to ignore constant size factors like: kzalloc(4 * 1024, gfp) though any constants defined via macros get caught up in the conversion. Any factors with a sizeof() of "unsigned char", "char", and "u8" were dropped, since they're redundant. The Coccinelle script used for this was: // Fix redundant parens around sizeof(). @@ type TYPE; expression THING, E; @@ ( kzalloc( - (sizeof(TYPE)) * E + sizeof(TYPE) * E , ...) | kzalloc( - (sizeof(THING)) * E + sizeof(THING) * E , ...) ) // Drop single-byte sizes and redundant parens. @@ expression COUNT; typedef u8; typedef __u8; @@ ( kzalloc( - sizeof(u8) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(__u8) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(char) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(unsigned char) * (COUNT) + COUNT , ...) | kzalloc( - sizeof(u8) * COUNT + COUNT , ...) | kzalloc( - sizeof(__u8) * COUNT + COUNT , ...) | kzalloc( - sizeof(char) * COUNT + COUNT , ...) | kzalloc( - sizeof(unsigned char) * COUNT + COUNT , ...) ) // 2-factor product with sizeof(type/expression) and identifier or constant. @@ type TYPE; expression THING; identifier COUNT_ID; constant COUNT_CONST; @@ ( - kzalloc + kcalloc ( - sizeof(TYPE) * (COUNT_ID) + COUNT_ID, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * COUNT_ID + COUNT_ID, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * (COUNT_CONST) + COUNT_CONST, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * COUNT_CONST + COUNT_CONST, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (COUNT_ID) + COUNT_ID, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * COUNT_ID + COUNT_ID, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (COUNT_CONST) + COUNT_CONST, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * COUNT_CONST + COUNT_CONST, sizeof(THING) , ...) ) // 2-factor product, only identifiers. @@ identifier SIZE, COUNT; @@ - kzalloc + kcalloc ( - SIZE * COUNT + COUNT, SIZE , ...) // 3-factor product with 1 sizeof(type) or sizeof(expression), with // redundant parens removed. @@ expression THING; identifier STRIDE, COUNT; type TYPE; @@ ( kzalloc( - sizeof(TYPE) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(TYPE) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(TYPE)) , ...) | kzalloc( - sizeof(THING) * (COUNT) * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * (COUNT) * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * COUNT * (STRIDE) + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) | kzalloc( - sizeof(THING) * COUNT * STRIDE + array3_size(COUNT, STRIDE, sizeof(THING)) , ...) ) // 3-factor product with 2 sizeof(variable), with redundant parens removed. @@ expression THING1, THING2; identifier COUNT; type TYPE1, TYPE2; @@ ( kzalloc( - sizeof(TYPE1) * sizeof(TYPE2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2)) , ...) | kzalloc( - sizeof(THING1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kzalloc( - sizeof(THING1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(THING1), sizeof(THING2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * COUNT + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) | kzalloc( - sizeof(TYPE1) * sizeof(THING2) * (COUNT) + array3_size(COUNT, sizeof(TYPE1), sizeof(THING2)) , ...) ) // 3-factor product, only identifiers, with redundant parens removed. @@ identifier STRIDE, SIZE, COUNT; @@ ( kzalloc( - (COUNT) * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * (STRIDE) * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * STRIDE * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - (COUNT) * (STRIDE) * (SIZE) + array3_size(COUNT, STRIDE, SIZE) , ...) | kzalloc( - COUNT * STRIDE * SIZE + array3_size(COUNT, STRIDE, SIZE) , ...) ) // Any remaining multi-factor products, first at least 3-factor products, // when they're not all constants... @@ expression E1, E2, E3; constant C1, C2, C3; @@ ( kzalloc(C1 * C2 * C3, ...) | kzalloc( - (E1) * E2 * E3 + array3_size(E1, E2, E3) , ...) | kzalloc( - (E1) * (E2) * E3 + array3_size(E1, E2, E3) , ...) | kzalloc( - (E1) * (E2) * (E3) + array3_size(E1, E2, E3) , ...) | kzalloc( - E1 * E2 * E3 + array3_size(E1, E2, E3) , ...) ) // And then all remaining 2 factors products when they're not all constants, // keeping sizeof() as the second factor argument. @@ expression THING, E1, E2; type TYPE; constant C1, C2, C3; @@ ( kzalloc(sizeof(THING) * C2, ...) | kzalloc(sizeof(TYPE) * C2, ...) | kzalloc(C1 * C2 * C3, ...) | kzalloc(C1 * C2, ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * (E2) + E2, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(TYPE) * E2 + E2, sizeof(TYPE) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * (E2) + E2, sizeof(THING) , ...) | - kzalloc + kcalloc ( - sizeof(THING) * E2 + E2, sizeof(THING) , ...) | - kzalloc + kcalloc ( - (E1) * E2 + E1, E2 , ...) | - kzalloc + kcalloc ( - (E1) * (E2) + E1, E2 , ...) | - kzalloc + kcalloc ( - E1 * E2 + E1, E2 , ...) ) Signed-off-by: Kees Cook <keescook@chromium.org>
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269afb36 |
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22-May-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
qedi: Add get_generic_tlv_data handler. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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534bbdf8 |
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22-May-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
qedi: Add support for populating ethernet TLVs. This patch adds callbacks for providing the ethernet protocol driver TLVs. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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779936fa |
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02-Feb-2018 |
Arnd Bergmann <arnd@arndb.de> |
scsi: qedi: fix building with LTO When link-time optimizations are enabled, qedi fails to build because of mismatched prototypes: drivers/scsi/qedi/qedi_gbl.h:27:37: error: type of 'qedi_dbg_fops' does not match original declaration [-Werror=lto-type-mismatch] extern const struct file_operations qedi_dbg_fops; ^ drivers/scsi/qedi/qedi_debugfs.c:239:30: note: 'qedi_dbg_fops' was previously declared here const struct file_operations qedi_dbg_fops[] = { ^ drivers/scsi/qedi/qedi_gbl.h:26:32: error: type of 'qedi_debugfs_ops' does not match original declaration [-Werror=lto-type-mismatch] extern struct qedi_debugfs_ops qedi_debugfs_ops; ^ drivers/scsi/qedi/qedi_debugfs.c:102:25: note: 'qedi_debugfs_ops' was previously declared here struct qedi_debugfs_ops qedi_debugfs_ops[] = { This changes the declaration to match the definition, and adapts the users as necessary. Since both array can be constant here, I'm adding the 'const' everywhere for consistency. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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2c08fe64 |
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07-Feb-2018 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Cleanup local str variable Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Acked-by: Chris Leech <cleech@redhat.com> Acked-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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1683ce57 |
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07-Feb-2018 |
Andrew Vasquez <andrew.vasquez@cavium.com> |
scsi: qedi: Fix truncation of CHAP name and secret The data in NVRAM is not guaranteed to be NUL terminated. Since snprintf expects byte-stream to accommodate null byte, the CHAP secret is truncated. Use sprintf instead of snprintf to fix the truncation of CHAP name and secret. Signed-off-by: Andrew Vasquez <andrew.vasquez@cavium.com> Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Reviewed-by: Bart Van Assche <bart.vanassche@wdc.com> Acked-by: Chris Leech <cleech@redhat.com> Acked-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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a1a20ffd |
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18-Jan-2018 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Drop cqe response during connection recovery We get stuck in the loop when firmware sends a cqe response during connection recovery. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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e9f31779 |
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09-Jan-2018 |
Himanshu Jha <himanshujha199640@gmail.com> |
scsi: qedi: Use zeroing allocator instead of allocator/memset Use dma_zalloc_coherent instead of dma_alloc_coherent followed by memset 0. Generated-by: scripts/coccinelle/api/alloc/kzalloc-simple.cocci Suggested-by: Luis R. Rodriguez <mcgrof@kernel.org> Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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da090917 |
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27-Dec-2017 |
Tomer Tayar <Tomer.Tayar@cavium.com> |
qed*: Utilize FW 8.33.1.0 Advance the qed* drivers to use firmware 8.33.1.0: Modify core driver (qed) to utilize the new FW and initialize the device with it. This is the lion's share of the patch, and includes changes to FW interface files, device initialization flows, FW interaction flows, and debug collection flows. Modify Ethernet driver (qede) to make use of new FW in fastpath. Modify RoCE/iWARP driver (qedr) to make use of new FW in fastpath. Modify FCoE driver (qedf) to make use of new FW in fastpath. Modify iSCSI driver (qedi) to make use of new FW in fastpath. Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Yuval Bason <Yuval.Bason@cavium.com> Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com> Signed-off-by: Manish Chopra <Manish.Chopra@cavium.com> Signed-off-by: Chad Dupuis <Chad.Dupuis@cavium.com> Signed-off-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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21dd79e8 |
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27-Dec-2017 |
Tomer Tayar <Tomer.Tayar@cavium.com> |
qed*: HSI renaming for different types of HW This patch renames defines and structures in the FW HSI files to allow a distinction between different types of HW. Signed-off-by: Ariel Elior <Ariel.Elior@cavium.com> Signed-off-by: Michal Kalderon <Michal.Kalderon@cavium.com> Signed-off-by: Chad Dupuis <Chad.Dupuis@cavium.com> Signed-off-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Tomer Tayar <Tomer.Tayar@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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fa2d9d6e |
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25-Aug-2017 |
Dan Carpenter <dan.carpenter@oracle.com> |
scsi: qedi: off by one in qedi_get_cmd_from_tid() The > here should be >= or we end up reading one element beyond the end of the qedi->itt_map[] array. The qedi->itt_map[] array is allocated in qedi_alloc_itt(). Fixes: ace7f46ba5fd ("scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework.") Cc: <stable@vger.kernel.org> # v4.10+ Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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42d7c10f |
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10-Aug-2017 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Limit number for CQ queues. [qed_sp_iscsi_func_start:189(host_7-0)]Cannot satisfy CQ amount. Queues requested 8, CQs available 4. Aborting function start Above condition will resolve as management firmware is capable of telling us the number of CQs available for a given PF, qed will communicate the same number to qedi, So that qedi will know how much CQs are allowed. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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c57ec8fb |
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27-Jun-2017 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: Add support for Boot from SAN over iSCSI offload This patch adds support for Boot from SAN over iSCSI offload. The iSCSI boot information in the NVRAM is populated under /sys/firmware/iscsi_bootX/ using qed NVM-image reading API and further exported to open-iscsi to perform iSCSI login enabling boot over offload iSCSI interface in a Boot from SAN environment. Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Andrew Vasquez <andrew.vasquez@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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02d94e04 |
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15-Jun-2017 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Remove WARN_ON from clear task context. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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712c3cbf |
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23-May-2017 |
Mintz, Yuval <Yuval.Mintz@cavium.com> |
qed: Replace set_id() api with set_name() Current API between qed and protocol modules allows passing an additional private string - but it doesn't get utilized by qed anywhere. Clarify the API by removing it and renaming it 'set_name'. CC: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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3d61a313 |
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19-May-2017 |
Nilesh Javali <nilesh.javali@cavium.com> |
scsi: qedi: set max_fin_rt default value max_fin_rt is the maximum re-transmission of FIN packets as part of the termination flow. After reaching this value the FW will send a single RESET. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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962ea1c0 |
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19-May-2017 |
manish.rangankar@cavium.com <manish.rangankar@cavium.com> |
scsi: qedi: Set firmware tcp msl timer value. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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5e901d0b |
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19-May-2017 |
Arun Easi <arun.easi@cavium.com> |
scsi: qedi: Fix bad pte call trace when iscsiuio is stopped. munmap done by iscsiuio during a stop of the service triggers a "bad pte" warning sometimes. munmap kernel path goes through the mmapped pages and has a validation check for mapcount (in struct page) to be zero or above. kzalloc, which we had used to allocate udev->ctrl, uses slab allocations, which re-uses mapcount (union) for other purposes that can make the mapcount look negative. Avoid all these trouble by invoking one of the __get_free_pages wrappers to be used instead of kzalloc for udev->ctrl. BUG: Bad page map in process iscsiuio pte:80000000aa624067 pmd:3e6777067 page:ffffea0002a98900 count:2 mapcount:-2143289280 mapping: (null) index:0xffff8800aa624e00 page flags: 0x10075d00000090(dirty|slab) page dumped because: bad pte addr:00007fcba70a3000 vm_flags:0c0400fb anon_vma: (null) mapping:ffff8803edf66e90 index:0 Call Trace: dump_stack+0x19/0x1b print_bad_pte+0x1af/0x250 unmap_page_range+0x7a7/0x8a0 unmap_single_vma+0x81/0xf0 unmap_vmas+0x49/0x90 unmap_region+0xbe/0x140 ? vma_rb_erase+0x121/0x220 do_munmap+0x245/0x420 vm_munmap+0x41/0x60 SyS_munmap+0x22/0x30 tracesys+0xdd/0xe2 Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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04688525 |
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15-Mar-2017 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Add PCI device-ID for QL41xxx adapters. Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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d1a9ccc4 |
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28-Feb-2017 |
Colin Ian King <colin.king@canonical.com> |
scsi: qedi: fix missing return error code check on call to qedi_setup_int The call to qedi_setup_int is not updating the return code rc yet rc is being checked for an error. Fix this by assigning rc to the return code from the call to qedi_setup_int. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Manish Rangankar <Manish.Rangankar@cavium.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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a98d1a0c |
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23-Dec-2016 |
Thomas Gleixner <tglx@linutronix.de> |
scsi: qedi: Convert to hotplug state machine The CPU hotplug code is a trainwreck. It leaks a notifier in case of driver registration error and the per cpu loop is racy against cpu hotplug. Aside of that the driver should have been written and merged with the new state machine interfaces in the first place. Mop up the mess and Convert it to the hotplug state machine. Signed-off-by: Thomas Grumpy Gleixner <tglx@linutronix.de> Cc: Nilesh Javali <nilesh.javali@cavium.com> Cc: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Cc: Chad Dupuis <chad.dupuis@cavium.com> Cc: Saurav Kashyap <saurav.kashyap@cavium.com> Cc: Arun Easi <arun.easi@cavium.com> Cc: Manish Rangankar <manish.rangankar@cavium.com> Cc: Johannes Thumshirn <jthumshirn@suse.de> Cc: Hannes Reinecke <hare@suse.de> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
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ace7f46b |
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01-Dec-2016 |
Manish Rangankar <manish.rangankar@cavium.com> |
scsi: qedi: Add QLogic FastLinQ offload iSCSI driver framework. The QLogic FastLinQ Driver for iSCSI (qedi) is the iSCSI specific module for 41000 Series Converged Network Adapters by QLogic. This patch consists of following changes: - MAINTAINERS Makefile and Kconfig changes for qedi, - PCI driver registration, - iSCSI host level initialization, - Debugfs and log level infrastructure. The following indiviual changes are merged into this commit: qedi: Add LL2 iSCSI interface for offload iSCSI. qedi: Add support for iSCSI session management. qedi: Add support for data path. Signed-off-by: Nilesh Javali <nilesh.javali@cavium.com> Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@cavium.com> Signed-off-by: Saurav Kashyap <saurav.kashyap@cavium.com> Signed-off-by: Arun Easi <arun.easi@cavium.com> Signed-off-by: Manish Rangankar <manish.rangankar@cavium.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Reviewed-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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