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| * | scsi: lpfc: Move MI module parameter check to handle dynamic disableJames Smart2022-04-182-5/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | lpfc_refresh_params() can be called for an async event handler. This could potentially override the value initialized by lpfc_cmf_setup(). Move module parameter check to lpfc_refresh_params(). Link: https://lore.kernel.org/r/20220412222008.126521-14-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Remove unnecessary NULL pointer assignment for ELS_RDF pathJames Smart2022-04-181-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The command IOCB ndlp pointer is overwritten in lpfc_issue_els_rdf(), and the original ndlp pointer is stored ahead of time. This null ptr assignment can be safely removed. Link: https://lore.kernel.org/r/20220412222008.126521-13-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Transition to NPR state upon LOGO cmpl if link down or abortedJames Smart2022-04-181-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In P2P topology, a target controller reboot sometimes results in not reestablishing a login because the ndlp is stuck in LOGO state. Fix by transitioning to NPR state if we get link down before LOGO completes. Link: https://lore.kernel.org/r/20220412222008.126521-12-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Update fc_prli_sent outstanding only after guaranteed IOCB submitJames Smart2022-04-181-18/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If lpfc_sli_issue_iocb() fails, then the fc_prli_sent is never decremented. Move the fc_prli_sent++ to after a guaranteed IOCB submit. Link: https://lore.kernel.org/r/20220412222008.126521-11-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Protect memory leak for NPIV ports sending PLOGI_RJTJames Smart2022-04-182-2/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | There is a potential memory leak in lpfc_ignore_els_cmpl() and lpfc_els_rsp_reject() that was allocated from NPIV PLOGI_RJT (lpfc_rcv_plogi()'s login_mbox). Check if cmdiocb->context_un.mbox was allocated in lpfc_ignore_els_cmpl(), and then free it back to phba->mbox_mem_pool along with mbox->ctx_buf for service parameters. For lpfc_els_rsp_reject() failure, free both the ctx_buf for service parameters and the login_mbox. Link: https://lore.kernel.org/r/20220412222008.126521-10-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Fix null pointer dereference after failing to issue FLOGI and PLOGIJames Smart2022-04-181-16/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If lpfc_issue_els_flogi() fails and returns non-zero status, the node reference count is decremented to trigger the release of the nodelist structure. However, if there is a prior registration or dev-loss-evt work pending, the node may be released prematurely. When dev-loss-evt completes, the released node is referenced causing a use-after-free null pointer dereference. Similarly, when processing non-zero ELS PLOGI completion status in lpfc_cmpl_els_plogi(), the ndlp flags are checked for a transport registration before triggering node removal. If dev-loss-evt work is pending, the node may be released prematurely and a subsequent call to lpfc_dev_loss_tmo_handler() results in a use after free ndlp dereference. Add test for pending dev-loss before decrementing the node reference count for FLOGI, PLOGI, PRLI, and ADISC handling. Link: https://lore.kernel.org/r/20220412222008.126521-9-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Clear fabric topology flag before initiating a new FLOGIJames Smart2022-04-181-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previous topologies may no longer be in fabric mode, so clear FC_FABRIC in fc_flag for every new FLOGI. Link: https://lore.kernel.org/r/20220412222008.126521-8-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Fix SCSI I/O completion and abort handler deadlockJames Smart2022-04-181-18/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During stress I/O tests with 500+ vports, hard LOCKUP call traces are observed. CPU A: native_queued_spin_lock_slowpath+0x192 _raw_spin_lock_irqsave+0x32 lpfc_handle_fcp_err+0x4c6 lpfc_fcp_io_cmd_wqe_cmpl+0x964 lpfc_sli4_fp_handle_cqe+0x266 __lpfc_sli4_process_cq+0x105 __lpfc_sli4_hba_process_cq+0x3c lpfc_cq_poll_hdler+0x16 irq_poll_softirq+0x76 __softirqentry_text_start+0xe4 irq_exit+0xf7 do_IRQ+0x7f CPU B: native_queued_spin_lock_slowpath+0x5b _raw_spin_lock+0x1c lpfc_abort_handler+0x13e scmd_eh_abort_handler+0x85 process_one_work+0x1a7 worker_thread+0x30 kthread+0x112 ret_from_fork+0x1f Diagram of lockup: CPUA CPUB ---- ---- lpfc_cmd->buf_lock phba->hbalock lpfc_cmd->buf_lock phba->hbalock Fix by reordering the taking of the lpfc_cmd->buf_lock and phba->hbalock in lpfc_abort_handler routine so that it tries to take the lpfc_cmd->buf_lock first before phba->hbalock. Link: https://lore.kernel.org/r/20220412222008.126521-7-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Requeue SCSI I/O to upper layer when fw reports link downJames Smart2022-04-181-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | During heavy I/O stress tests with 100+ vports and cable pulls, it may take a while before the vport logs back into the fabric to resume I/O. Currently, the driver immediately fails the I/O with DID_ERROR. Change behavior to return DID_REQUEUE, and rely on SCSI layer's max retry of 5 before erroring out the I/O. Link: https://lore.kernel.org/r/20220412222008.126521-6-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Zero SLI4 fcp_cmnd buffer's fcpCntl0 fieldJames Smart2022-04-181-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It's possible that the fcpCntl0 reserved field is allocated non-zero. For certain target storage arrays this could cause problems expecting reserved fields to be all zero. SLI3 path already allocates fcp_cmnd buffer with dma_pool_zalloc() in lpfc_new_scsi_buf_s3. The fcpCntl0 field itself is never proactively set throughout the SCSI I/O path. Thus, we only change the SLI4 fcp_cmnd buffer allocation to dma_pool_zalloc. Link: https://lore.kernel.org/r/20220412222008.126521-5-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Fix diagnostic fw logging after a function resetJames Smart2022-04-182-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The lpfc_sli4_ras_setup() routine is only called from the lpfc_pci_probe_one_s4() routine, which means diagnostic fw logging initialization only occurs during probing. Thus, any path involving a reset of the HBA that restarts the state of the SLI port does not reinitialize diagnostic fw logging. Move lpfc_sli4_ras_setup() into lpfc_sli4_hba_setup() so that the LOWLEVEL_SET_DIAG_LOG_OPTIONS mailbox command can be sent after a function reset. Link: https://lore.kernel.org/r/20220412222008.126521-4-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Move cfg_log_verbose check before calling lpfc_dmp_dbg()James Smart2022-04-182-31/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | In an attempt to log message 0126 with LOG_TRACE_EVENT, the following hard lockup call trace hangs the system. Call Trace: _raw_spin_lock_irqsave+0x32/0x40 lpfc_dmp_dbg.part.32+0x28/0x220 [lpfc] lpfc_cmpl_els_fdisc+0x145/0x460 [lpfc] lpfc_sli_cancel_jobs+0x92/0xd0 [lpfc] lpfc_els_flush_cmd+0x43c/0x670 [lpfc] lpfc_els_flush_all_cmd+0x37/0x60 [lpfc] lpfc_sli4_async_event_proc+0x956/0x1720 [lpfc] lpfc_do_work+0x1485/0x1d70 [lpfc] kthread+0x112/0x130 ret_from_fork+0x1f/0x40 Kernel panic - not syncing: Hard LOCKUP The same CPU tries to claim the phba->port_list_lock twice. Move the cfg_log_verbose checks as part of the lpfc_printf_vlog() and lpfc_printf_log() macros before calling lpfc_dmp_dbg(). There is no need to take the phba->port_list_lock within lpfc_dmp_dbg(). Link: https://lore.kernel.org/r/20220412222008.126521-3-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | scsi: lpfc: Tweak message log categories for ELS/FDMI/NVMe rescanJames Smart2022-04-183-6/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Several log message categories were updated: - Enable msg 4623 (Xmit of ECD) to display for ELS logging. - Change msg 0220 (FDMI cmd failed) to display for ELS logging. - Change msg 6460 (FDMI RPA failure) to be warning not hard error. - Change msg 6172 (NVME rescan of DID) to be logged under NVMe discovery. Link: https://lore.kernel.org/r/20220412222008.126521-2-jsmart2021@gmail.com Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | Merge branch '5.18/scsi-fixes' into 5.19/scsi-stagingMartin K. Petersen2022-04-1846-1129/+734
| |\ \ | | | | | | | | | | | | | | | | | | | | | | | | Pull in 5.18 fixes branch which contains a bunch of fixes required for the lpfc driver update. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | | scsi: ufs: core: Remove redundant HPB unmapPo-Wen Kao2022-04-181-7/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Since the HPB mapping is already reset in ufshpb_init() by setting flag QUERY_FLAG_IDN_HPB_RESET, there is no need doing so again in ufshpb_hpb_lu_prepared(). This also resolves the issue where HPB WRITE BUFFER is issued before UAC is cleared. Link: https://lore.kernel.org/r/20220412073131.10644-1-powen.kao@mediatek.com Acked-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Po-Wen Kao <powen.kao@mediatek.com> Signed-off-by: Bean Huo <beanhuo@micron.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | | scsi: megaraid_sas: Remove unnecessary memsetWan Jiabing2022-04-111-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | instance->cmd_list is allocated by kcalloc(). The memory is already set to zero. It is unnecessary to call memset again. Link: https://lore.kernel.org/r/20220407072442.4137977-1-wanjiabing@vivo.com Acked-by: Sumit Saxena <sumit.saxena@broadcom.com> Signed-off-by: Wan Jiabing <wanjiabing@vivo.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | | scsi: vmw_pvscsi: No need to clear memory after a dma_alloc_coherent() callChristophe JAILLET2022-04-061-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | dma_alloc_coherent() already clear the allocated memory, there is no need to explicitly call memset(). Since 'config_page' and 'header' are the same, a memset() call can be avoided. Link: https://lore.kernel.org/r/cd1220c628c89465dcfcbf4aa9bd53110898a529.1648067518.git.christophe.jaillet@wanadoo.fr Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| * | | scsi: ufs: ufshcd-pltfrm: Simplify pdev->dev usageKrzysztof Kozlowski2022-04-061-5/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The 'struct device' pointer is already cached as a local variable in ufshcd_pltfrm_init(), so use it. Link: https://lore.kernel.org/r/20220401085050.119323-1-krzysztof.kozlowski@linaro.org Reviewed-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | | Merge tag 'Wstringop-overflow-fixes-5.19-rc1' of ↵Linus Torvalds2022-05-251-1/+1
|\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux Pull Wstringop-overflow fixes from Gustavo Silva: "Fix some -Wstringop-overflow warnings when building with GCC-11. All the patches have been in linux-next during the last development cycle. This is part of the ongoing efforts to globally enable -Wstringop-overflow" * tag 'Wstringop-overflow-fixes-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux: drm/i915: Fix -Wstringop-overflow warning in call to intel_read_wm_latency() drm/amd/display: Fix Wstringop-overflow warnings in dc_link_dp.c scsi: fcoe: Fix Wstringop-overflow warnings in fcoe_wwn_from_mac()
| * | | | scsi: fcoe: Fix Wstringop-overflow warnings in fcoe_wwn_from_mac()Gustavo A. R. Silva2022-04-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix the following Wstringop-overflow warnings when building with GCC-11: drivers/scsi/fcoe/fcoe.c: In function ‘fcoe_netdev_config’: drivers/scsi/fcoe/fcoe.c:744:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=] 744 | wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, 1, 0); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/fcoe/fcoe.c:744:32: note: referencing argument 1 of type ‘unsigned char *’ In file included from drivers/scsi/fcoe/fcoe.c:36: ./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’ 252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int); | ^~~~~~~~~~~~~~~~~ drivers/scsi/fcoe/fcoe.c:747:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=] 747 | wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 748 | 2, 0); | ~~~~~ drivers/scsi/fcoe/fcoe.c:747:32: note: referencing argument 1 of type ‘unsigned char *’ In file included from drivers/scsi/fcoe/fcoe.c:36: ./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’ 252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int); | ^~~~~~~~~~~~~~~~~ CC drivers/scsi/bnx2fc/bnx2fc_io.o In function ‘bnx2fc_net_config’, inlined from ‘bnx2fc_if_create’ at drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1543:7: drivers/scsi/bnx2fc/bnx2fc_fcoe.c:833:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=] 833 | wwnn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 834 | 1, 0); | ~~~~~ drivers/scsi/bnx2fc/bnx2fc_fcoe.c: In function ‘bnx2fc_if_create’: drivers/scsi/bnx2fc/bnx2fc_fcoe.c:833:32: note: referencing argument 1 of type ‘unsigned char *’ In file included from drivers/scsi/bnx2fc/bnx2fc.h:53, from drivers/scsi/bnx2fc/bnx2fc_fcoe.c:17: ./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’ 252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int); | ^~~~~~~~~~~~~~~~~ In function ‘bnx2fc_net_config’, inlined from ‘bnx2fc_if_create’ at drivers/scsi/bnx2fc/bnx2fc_fcoe.c:1543:7: drivers/scsi/bnx2fc/bnx2fc_fcoe.c:839:32: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=] 839 | wwpn = fcoe_wwn_from_mac(ctlr->ctl_src_addr, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 840 | 2, 0); | ~~~~~ drivers/scsi/bnx2fc/bnx2fc_fcoe.c: In function ‘bnx2fc_if_create’: drivers/scsi/bnx2fc/bnx2fc_fcoe.c:839:32: note: referencing argument 1 of type ‘unsigned char *’ In file included from drivers/scsi/bnx2fc/bnx2fc.h:53, from drivers/scsi/bnx2fc/bnx2fc_fcoe.c:17: ./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’ 252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int); | ^~~~~~~~~~~~~~~~~ drivers/scsi/qedf/qedf_main.c: In function ‘__qedf_probe’: drivers/scsi/qedf/qedf_main.c:3520:30: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=] 3520 | qedf->wwnn = fcoe_wwn_from_mac(qedf->mac, 1, 0); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qedf/qedf_main.c:3520:30: note: referencing argument 1 of type ‘unsigned char *’ In file included from drivers/scsi/qedf/qedf.h:9, from drivers/scsi/qedf/qedf_main.c:23: ./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’ 252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int); | ^~~~~~~~~~~~~~~~~ drivers/scsi/qedf/qedf_main.c:3521:30: warning: ‘fcoe_wwn_from_mac’ accessing 32 bytes in a region of size 6 [-Wstringop-overflow=] 3521 | qedf->wwpn = fcoe_wwn_from_mac(qedf->mac, 2, 0); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/scsi/qedf/qedf_main.c:3521:30: note: referencing argument 1 of type ‘unsigned char *’ In file included from drivers/scsi/qedf/qedf.h:9, from drivers/scsi/qedf/qedf_main.c:23: ./include/scsi/libfcoe.h:252:5: note: in a call to function ‘fcoe_wwn_from_mac’ 252 | u64 fcoe_wwn_from_mac(unsigned char mac[MAX_ADDR_LEN], unsigned int, unsigned int); | ^~~~~~~~~~~~~~~~~ by changing the array size to the correct value of ETH_ALEN in the argument declaration. Also, fix a couple of checkpatch warnings: WARNING: function definition argument 'unsigned int' should also have an identifier name This helps with the ongoing efforts to globally enable -Wstringop-overflow. Link: https://github.com/KSPP/linux/issues/181 Fixes: 85b4aa4926a5 ("[SCSI] fcoe: Fibre Channel over Ethernet") Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
* | | | | Merge tag 'net-next-5.19' of ↵Linus Torvalds2022-05-251-1/+1
|\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next Pull networking updates from Jakub Kicinski: "Core ---- - Support TCPv6 segmentation offload with super-segments larger than 64k bytes using the IPv6 Jumbogram extension header (AKA BIG TCP). - Generalize skb freeing deferral to per-cpu lists, instead of per-socket lists. - Add a netdev statistic for packets dropped due to L2 address mismatch (rx_otherhost_dropped). - Continue work annotating skb drop reasons. - Accept alternative netdev names (ALT_IFNAME) in more netlink requests. - Add VLAN support for AF_PACKET SOCK_RAW GSO. - Allow receiving skb mark from the socket as a cmsg. - Enable memcg accounting for veth queues, sysctl tables and IPv6. BPF --- - Add libbpf support for User Statically-Defined Tracing (USDTs). - Speed up symbol resolution for kprobes multi-link attachments. - Support storing typed pointers to referenced and unreferenced objects in BPF maps. - Add support for BPF link iterator. - Introduce access to remote CPU map elements in BPF per-cpu map. - Allow middle-of-the-road settings for the kernel.unprivileged_bpf_disabled sysctl. - Implement basic types of dynamic pointers e.g. to allow for dynamically sized ringbuf reservations without extra memory copies. Protocols --------- - Retire port only listening_hash table, add a second bind table hashed by port and address. Avoid linear list walk when binding to very popular ports (e.g. 443). - Add bridge FDB bulk flush filtering support allowing user space to remove all FDB entries matching a condition. - Introduce accept_unsolicited_na sysctl for IPv6 to implement router-side changes for RFC9131. - Support for MPTCP path manager in user space. - Add MPTCP support for fallback to regular TCP for connections that have never connected additional subflows or transmitted out-of-sequence data (partial support for RFC8684 fallback). - Avoid races in MPTCP-level window tracking, stabilize and improve throughput. - Support lockless operation of GRE tunnels with seq numbers enabled. - WiFi support for host based BSS color collision detection. - Add support for SO_TXTIME/SCM_TXTIME on CAN sockets. - Support transmission w/o flow control in CAN ISOTP (ISO 15765-2). - Support zero-copy Tx with TLS 1.2 crypto offload (sendfile). - Allow matching on the number of VLAN tags via tc-flower. - Add tracepoint for tcp_set_ca_state(). Driver API ---------- - Improve error reporting from classifier and action offload. - Add support for listing line cards in switches (devlink). - Add helpers for reporting page pool statistics with ethtool -S. - Add support for reading clock cycles when using PTP virtual clocks, instead of having the driver convert to time before reporting. This makes it possible to report time from different vclocks. - Support configuring low-latency Tx descriptor push via ethtool. - Separate Clause 22 and Clause 45 MDIO accesses more explicitly. New hardware / drivers ---------------------- - Ethernet: - Marvell's Octeon NIC PCI Endpoint support (octeon_ep) - Sunplus SP7021 SoC (sp7021_emac) - Add support for Renesas RZ/V2M (in ravb) - Add support for MediaTek mt7986 switches (in mtk_eth_soc) - Ethernet PHYs: - ADIN1100 industrial PHYs (w/ 10BASE-T1L and SQI reporting) - TI DP83TD510 PHY - Microchip LAN8742/LAN88xx PHYs - WiFi: - Driver for pureLiFi X, XL, XC devices (plfxlc) - Driver for Silicon Labs devices (wfx) - Support for WCN6750 (in ath11k) - Support Realtek 8852ce devices (in rtw89) - Mobile: - MediaTek T700 modems (Intel 5G 5000 M.2 cards) - CAN: - ctucanfd: add support for CTU CAN FD open-source IP core from Czech Technical University in Prague Drivers ------- - Delete a number of old drivers still using virt_to_bus(). - Ethernet NICs: - intel: support TSO on tunnels MPLS - broadcom: support multi-buffer XDP - nfp: support VF rate limiting - sfc: use hardware tx timestamps for more than PTP - mlx5: multi-port eswitch support - hyper-v: add support for XDP_REDIRECT - atlantic: XDP support (including multi-buffer) - macb: improve real-time perf by deferring Tx processing to NAPI - High-speed Ethernet switches: - mlxsw: implement basic line card information querying - prestera: add support for traffic policing on ingress and egress - Embedded Ethernet switches: - lan966x: add support for packet DMA (FDMA) - lan966x: add support for PTP programmable pins - ti: cpsw_new: enable bc/mc storm prevention - Qualcomm 802.11ax WiFi (ath11k): - Wake-on-WLAN support for QCA6390 and WCN6855 - device recovery (firmware restart) support - support setting Specific Absorption Rate (SAR) for WCN6855 - read country code from SMBIOS for WCN6855/QCA6390 - enable keep-alive during WoWLAN suspend - implement remain-on-channel support - MediaTek WiFi (mt76): - support Wireless Ethernet Dispatch offloading packet movement between the Ethernet switch and WiFi interfaces - non-standard VHT MCS10-11 support - mt7921 AP mode support - mt7921 IPv6 NS offload support - Ethernet PHYs: - micrel: ksz9031/ksz9131: cabletest support - lan87xx: SQI support for T1 PHYs - lan937x: add interrupt support for link detection" * tag 'net-next-5.19' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1809 commits) ptp: ocp: Add firmware header checks ptp: ocp: fix PPS source selector debugfs reporting ptp: ocp: add .init function for sma_op vector ptp: ocp: vectorize the sma accessor functions ptp: ocp: constify selectors ptp: ocp: parameterize input/output sma selectors ptp: ocp: revise firmware display ptp: ocp: add Celestica timecard PCI ids ptp: ocp: Remove #ifdefs around PCI IDs ptp: ocp: 32-bit fixups for pci start address Revert "net/smc: fix listen processing for SMC-Rv2" ath6kl: Use cc-disable-warning to disable -Wdangling-pointer selftests/bpf: Dynptr tests bpf: Add dynptr data slices bpf: Add bpf_dynptr_read and bpf_dynptr_write bpf: Dynptr support for ring buffers bpf: Add bpf_dynptr_from_mem for local dynptrs bpf: Add verifier support for dynptrs bpf: Suppress 'passing zero to PTR_ERR' warning bpf: Introduce bpf_arch_text_invalidate for bpf_prog_pack ...
| * \ \ \ \ Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netJakub Kicinski2022-05-194-6/+8
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | drivers/net/ethernet/mellanox/mlx5/core/main.c b33886971dbc ("net/mlx5: Initialize flow steering during driver probe") 40379a0084c2 ("net/mlx5_fpga: Drop INNOVA TLS support") f2b41b32cde8 ("net/mlx5: Remove ipsec_ops function table") https://lore.kernel.org/all/20220519040345.6yrjromcdistu7vh@sx1/ 16d42d313350 ("net/mlx5: Drain fw_reset when removing device") 8324a02c342a ("net/mlx5: Add exit route when waiting for FW") https://lore.kernel.org/all/20220519114119.060ce014@canb.auug.org.au/ tools/testing/selftests/net/mptcp/mptcp_join.sh e274f7154008 ("selftests: mptcp: add subflow limits test-cases") b6e074e171bc ("selftests: mptcp: add infinite map testcase") 5ac1d2d63451 ("selftests: mptcp: Add tests for userspace PM type") https://lore.kernel.org/all/20220516111918.366d747f@canb.auug.org.au/ net/mptcp/options.c ba2c89e0ea74 ("mptcp: fix checksum byte order") 1e39e5a32ad7 ("mptcp: infinite mapping sending") ea66758c1795 ("tcp: allow MPTCP to update the announced window") https://lore.kernel.org/all/20220519115146.751c3a37@canb.auug.org.au/ net/mptcp/pm.c 95d686517884 ("mptcp: fix subflow accounting on close") 4d25247d3ae4 ("mptcp: bypass in-kernel PM restrictions for non-kernel PMs") https://lore.kernel.org/all/20220516111435.72f35dca@canb.auug.org.au/ net/mptcp/subflow.c ae66fb2ba6c3 ("mptcp: Do TCP fallback on early DSS checksum failure") 0348c690ed37 ("mptcp: add the fallback check") f8d4bcacff3b ("mptcp: infinite mapping receiving") https://lore.kernel.org/all/20220519115837.380bb8d4@canb.auug.org.au/ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
| * | | | | | net: allow gso_max_size to exceed 65536Alexander Duyck2022-05-161-1/+1
| | |_|_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code for gso_max_size was added originally to allow for debugging and workaround of buggy devices that couldn't support TSO with blocks 64K in size. The original reason for limiting it to 64K was because that was the existing limits of IPv4 and non-jumbogram IPv6 length fields. With the addition of Big TCP we can remove this limit and allow the value to potentially go up to UINT_MAX and instead be limited by the tso_max_size value. So in order to support this we need to go through and clean up the remaining users of the gso_max_size value so that the values will cap at 64K for non-TCPv6 flows. In addition we can clean up the GSO_MAX_SIZE value so that 64K becomes GSO_LEGACY_MAX_SIZE and UINT_MAX will now be the upper limit for GSO_MAX_SIZE. v6: (edumazet) fixed a compile error if CONFIG_IPV6=n, in a new sk_trim_gso_size() helper. netif_set_tso_max_size() caps the requested TSO size with GSO_MAX_SIZE. Signed-off-by: Alexander Duyck <alexanderduyck@fb.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | | | | | Merge tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecacheLinus Torvalds2022-05-241-6/+5
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull page cache updates from Matthew Wilcox: - Appoint myself page cache maintainer - Fix how scsicam uses the page cache - Use the memalloc_nofs_save() API to replace AOP_FLAG_NOFS - Remove the AOP flags entirely - Remove pagecache_write_begin() and pagecache_write_end() - Documentation updates - Convert several address_space operations to use folios: - is_dirty_writeback - readpage becomes read_folio - releasepage becomes release_folio - freepage becomes free_folio - Change filler_t to require a struct file pointer be the first argument like ->read_folio * tag 'folio-5.19' of git://git.infradead.org/users/willy/pagecache: (107 commits) nilfs2: Fix some kernel-doc comments Appoint myself page cache maintainer fs: Remove aops->freepage secretmem: Convert to free_folio nfs: Convert to free_folio orangefs: Convert to free_folio fs: Add free_folio address space operation fs: Convert drop_buffers() to use a folio fs: Change try_to_free_buffers() to take a folio jbd2: Convert release_buffer_page() to use a folio jbd2: Convert jbd2_journal_try_to_free_buffers to take a folio reiserfs: Convert release_buffer_page() to use a folio fs: Remove last vestiges of releasepage ubifs: Convert to release_folio reiserfs: Convert to release_folio orangefs: Convert to release_folio ocfs2: Convert to release_folio nilfs2: Remove comment about releasepage nfs: Convert to release_folio jfs: Convert to release_folio ...
| * | | | | | scsicam: Fix use of page cacheMatthew Wilcox (Oracle)2022-05-081-6/+5
| |/ / / / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Convert scsicam to use a folio instead of a page. There is no need to check the error flag here; read_cache_folio() will return -EIO if the folio cannot be read correctly. Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
* | | | | | Merge tag 'for-linus-5.19-rc1-tag' of ↵Linus Torvalds2022-05-231-60/+139
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen updates from Juergen Gross: - decouple the PV interface from kernel internals in the Xen scsifront/scsiback pv drivers - harden the Xen scsifront PV driver against a malicious backend driver - simplify Xen PV frontend driver ring page setup - support Xen setups with multiple domains created at boot time to tolerate Xenstore coming up late - two small cleanup patches * tag 'for-linus-5.19-rc1-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: (29 commits) xen: add support for initializing xenstore later as HVM domain xen: sync xs_wire.h header with upstream xen x86: xen: remove STACK_FRAME_NON_STANDARD from xen_cpuid xen-blk{back,front}: Update contact points for buffer_squeeze_duration_ms and feature_persistent xen/xenbus: eliminate xenbus_grant_ring() xen/sndfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/usbfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/pcifront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/drmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/tpmfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/netfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/blkfront: use xenbus_setup_ring() and xenbus_teardown_ring() xen/xenbus: add xenbus_setup_ring() service function xen: update ring.h xen/shbuf: switch xen-front-pgdir-shbuf to use INVALID_GRANT_REF xen/dmabuf: switch gntdev-dmabuf to use INVALID_GRANT_REF xen/sound: switch xen_snd_front to use INVALID_GRANT_REF xen/drm: switch xen_drm_front to use INVALID_GRANT_REF xen/usb: switch xen-hcd to use INVALID_GRANT_REF ...
| * | | | | | xen/scsifront: use xenbus_setup_ring() and xenbus_teardown_ring()Juergen Gross2022-05-191-21/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Simplify scsifront's ring creation and removal via xenbus_setup_ring() and xenbus_teardown_ring(). Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
| * | | | | | xen/scsifront: remove unused GRANT_INVALID_REF definitionJuergen Gross2022-05-191-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | GRANT_INVALID_REF isn't used in scsifront, so remove it. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Signed-off-by: Juergen Gross <jgross@suse.com>
| * | | | | | xen/scsifront: harden driver against malicious backendJuergen Gross2022-05-191-28/+76
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Instead of relying on a well behaved PV scsi backend verify all meta data received from the backend and avoid multiple reads of the same data from the shared ring page. In case any illegal data from the backend is detected switch the PV device to a new "error" state and deactivate it for further use. Use the "lateeoi" variant for the event channel in order to avoid event storms blocking the guest. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/20220428075323.12853-5-jgross@suse.com Signed-off-by: Juergen Gross <jgross@suse.com>
| * | | | | | xen/scsifront: use new command result macrosJuergen Gross2022-05-191-8/+56
| | |/ / / / | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a translation layer for the command result values. Signed-off-by: Juergen Gross <jgross@suse.com> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com> Link: https://lore.kernel.org/r/20220428075323.12853-4-jgross@suse.com Signed-off-by: Juergen Gross <jgross@suse.com>
* | | | | | Merge tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-blockLinus Torvalds2022-05-232-3/+3
|\ \ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull block updates from Jens Axboe: "Here are the core block changes for 5.19. This contains: - blk-throttle accounting fix (Laibin) - Series removing redundant assignments (Michal) - Expose bio cache via the bio_set, so that DM can use it (Mike) - Finish off the bio allocation interface cleanups by dealing with the weirdest member of the family. bio_kmalloc combines a kmalloc for the bio and bio_vecs with a hidden bio_init call and magic cleanup semantics (Christoph) - Clean up the block layer API so that APIs consumed by file systems are (almost) only struct block_device based, so that file systems don't have to poke into block layer internals like the request_queue (Christoph) - Clean up the blk_execute_rq* API (Christoph) - Clean up various lose end in the blk-cgroup code to make it easier to follow in preparation of reworking the blkcg assignment for bios (Christoph) - Fix use-after-free issues in BFQ when processes with merged queues get moved to different cgroups (Jan) - BFQ fixes (Jan) - Various fixes and cleanups (Bart, Chengming, Fanjun, Julia, Ming, Wolfgang, me)" * tag 'for-5.19/block-2022-05-22' of git://git.kernel.dk/linux-block: (83 commits) blk-mq: fix typo in comment bfq: Remove bfq_requeue_request_body() bfq: Remove superfluous conversion from RQ_BIC() bfq: Allow current waker to defend against a tentative one bfq: Relax waker detection for shared queues blk-cgroup: delete rcu_read_lock_held() WARN_ON_ONCE() blk-throttle: Set BIO_THROTTLED when bio has been throttled blk-cgroup: Remove unnecessary rcu_read_lock/unlock() blk-cgroup: always terminate io.stat lines block, bfq: make bfq_has_work() more accurate block, bfq: protect 'bfqd->queued' by 'bfqd->lock' block: cleanup the VM accounting in submit_bio block: Fix the bio.bi_opf comment block: reorder the REQ_ flags blk-iocost: combine local_stat and desc_stat to stat block: improve the error message from bio_check_eod block: allow passing a NULL bdev to bio_alloc_clone/bio_init_clone block: remove superfluous calls to blkcg_bio_issue_init kthread: unexport kthread_blkcg blk-cgroup: cleanup blkcg_maybe_throttle_current ...
| * | | | | | blk-cgroup: move blkcg_{get,set}_fc_appid out of lineChristoph Hellwig2022-05-021-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | No need to have these helpers inline. Also remove the stubs and just use an IS_ENABLED for the get side (the set side already is only built conditionlly). Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Tejun Heo <tj@kernel.org> Link: https://lore.kernel.org/r/20220420042723.1010598-5-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
| * | | | | | block: remove QUEUE_FLAG_DISCARDChristoph Hellwig2022-04-171-2/+0
| | |_|_|_|/ | |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just use a non-zero max_discard_sectors as an indicator for discard support, similar to what is done for write zeroes. The only places where needs special attention is the RAID5 driver, which must clear discard support for security reasons by default, even if the default stacking rules would allow for it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com> Acked-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com> [drbd] Acked-by: Jan Höppner <hoeppner@linux.ibm.com> [s390] Acked-by: Coly Li <colyli@suse.de> [bcache] Acked-by: David Sterba <dsterba@suse.com> [btrfs] Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com> Link: https://lore.kernel.org/r/20220415045258.199825-25-hch@lst.de Signed-off-by: Jens Axboe <axboe@kernel.dk>
* | | | | | scsi: ufs: core: Fix referencing invalid rsp fieldDaejun Park2022-05-191-12/+7
| |/ / / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix referencing sense data when it is invalid. When the length of the data segment is 0, there is no valid information in the rsp field, so ufshpb_rsp_upiu() is returned without additional operation. Link: https://lore.kernel.org/r/252651381.41652940482659.JavaMail.epsvc@epcpadp4 Fixes: 4b5f49079c52 ("scsi: ufs: ufshpb: L2P map management for HPB read") Acked-by: Avri Altman <avri.altman@wdc.com> Signed-off-by: Daejun Park <daejun7.park@samsung.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | | | scsi: lpfc: Correct BDE DMA address assignment for GEN_REQ_WQEJames Smart2022-05-101-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Garbage FCoE CT frames are transmitted on the wire because of bad DMA ptr addresses filled in the GEN_REQ_WQE. The __lpfc_sli_prep_gen_req_s4() routine is using the wrong buffer for the payload address. Change the DMA buffer assignment from the bmp buffer to the bpl buffer. Link: https://lore.kernel.org/r/20220506205548.61644-1-jsmart2021@gmail.com Fixes: 61910d6a5243 ("scsi: lpfc: SLI path split: Refactor CT paths") Co-developed-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: Justin Tee <justin.tee@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | | | scsi: lpfc: Fix split code for FLOGI on FCoEJames Smart2022-05-101-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The refactoring code converted context information from SLI-3 to SLI-4. The conversion for the SLI-4 bit field tried to use the old (hacky) SLI3 high/low bit settings. Needless to say, it was incorrect. Explicitly set the context field to type FCFI and set it in the wqe. SLI-4 is now a proper bit field so no need for the shifting/anding. Link: https://lore.kernel.org/r/20220506205528.61590-1-jsmart2021@gmail.com Fixes: 6831ce129f19 ("scsi: lpfc: SLI path split: Refactor base ELS paths and the FLOGI path") Co-developed-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com> Signed-off-by: James Smart <jsmart2021@gmail.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | | | scsi: qla2xxx: Fix missed DMA unmap for aborted commandsGleb Chesnokov2022-05-021-0/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Aborting commands that have already been sent to the firmware can cause BUG in qlt_free_cmd(): BUG_ON(cmd->sg_mapped) For instance: - Command passes rdx_to_xfer state, maps sgl, sends to the firmware - Reset occurs, qla2xxx performs ISP error recovery, aborts the command - Target stack calls qlt_abort_cmd() and then qlt_free_cmd() - BUG_ON(cmd->sg_mapped) in qlt_free_cmd() occurs because sgl was not unmapped Thus, unmap sgl in qlt_abort_cmd() for commands with the aborted flag set. Link: https://lore.kernel.org/r/AS8PR10MB4952D545F84B6B1DFD39EC1E9DEE9@AS8PR10MB4952.EURPRD10.PROD.OUTLOOK.COM Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com> Signed-off-by: Gleb Chesnokov <Chesnokov.G@raidix.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | | | scsi: scsi_dh_alua: Properly handle the ALUA transitioning stateBrian Bunker2022-05-021-2/+1
| |/ / / |/| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The handling of the ALUA transitioning state is currently broken. When a target goes into this state, it is expected that the target is allowed to stay in this state for the implicit transition timeout without a path failure. The handler has this logic, but it gets skipped currently. When the target transitions, there is in-flight I/O from the initiator. The first of these responses from the target will be a unit attention letting the initiator know that the ALUA state has changed. The remaining in-flight I/Os, before the initiator finds out that the portal state has changed, will return not ready, ALUA state is transitioning. The portal state will change to SCSI_ACCESS_STATE_TRANSITIONING. This will lead to all new I/O immediately failing the path unexpectedly. The path failure happens in less than a second instead of the expected successes until the transition timer is exceeded. Allow I/Os to continue while the path is in the ALUA transitioning state. The handler already takes care of a target that stays in the transitioning state for too long by changing the state to ALUA state standby once the transition timeout is exceeded at which point the path will fail. Link: https://lore.kernel.org/r/CAHZQxy+4sTPz9+pY3=7VJH+CLUJsDct81KtnR2be8ycN5mhqTg@mail.gmail.com Reviewed-by: Hannes Reinecke <hare@suse.de> Acked-by: Krishna Kant <krishna.kant@purestorage.com> Acked-by: Seamus Connor <sconnor@purestorage.com> Signed-off-by: Brian Bunker <brian@purestorage.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | | scsi: sr: Do not leak information in ioctlTom Rix2022-04-181-3/+12
|/ / / | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sr_ioctl.c uses this pattern: result = sr_do_ioctl(cd, &cgc); to-user = buffer[]; kfree(buffer); return result; Use of a buffer without checking leaks information. Check result and jump over the use of buffer if there is an error. result = sr_do_ioctl(cd, &cgc); if (result) goto err; to-user = buffer[]; err: kfree(buffer); return result; Additionally, initialize the buffer to zero. This problem can be seen in the 2.4.0 kernel. Link: https://lore.kernel.org/r/20220411174756.2418435-1-trix@redhat.com Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Tom Rix <trix@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: qedi: Fix failed disconnect handlingMike Christie2022-04-111-35/+34
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We set the qedi_ep state to EP_STATE_OFLDCONN_START when the ep is created. Then in qedi_set_path we kick off the offload work. If userspace times out the connection and calls ep_disconnect, qedi will only flush the offload work if the qedi_ep state has transitioned away from EP_STATE_OFLDCONN_START. If we can't connect we will not have transitioned state and will leave the offload work running, and we will free the qedi_ep from under it. This patch just has us init the work when we create the ep, then always flush it. Link: https://lore.kernel.org/r/20220408001314.5014-10-michael.christie@oracle.com Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Acked-by: Manish Rangankar <mrangankar@marvell.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Fix NOP handling during conn recoveryMike Christie2022-04-111-1/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a offload driver doesn't use the xmit workqueue, then when we are doing ep_disconnect libiscsi can still inject PDUs to the driver. This adds a check for if the connection is bound before trying to inject PDUs. Link: https://lore.kernel.org/r/20220408001314.5014-9-michael.christie@oracle.com Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Merge suspend fieldsMike Christie2022-04-115-16/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Move the tx and rx suspend fields into one flags field. Link: https://lore.kernel.org/r/20220408001314.5014-8-michael.christie@oracle.com Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Fix unbound endpoint error handlingMike Christie2022-04-111-29/+36
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If a driver raises a connection error before the connection is bound, we can leave a cleanup_work queued that can later run and disconnect/stop a connection that is logged in. The problem is that drivers can call iscsi_conn_error_event for endpoints that are connected but not yet bound when something like the network port they are using is brought down. iscsi_cleanup_conn_work_fn will check for this and exit early, but if the cleanup_work is stuck behind other works, it might not get run until after userspace has done ep_disconnect. Because the endpoint is not yet bound there was no way for ep_disconnect to flush the work. The bug of leaving stop_conns queued was added in: Commit 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling") and: Commit 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space") was supposed to fix it, but left this case. This patch moves the conn state check to before we even queue the work so we can avoid queueing. Link: https://lore.kernel.org/r/20220408001314.5014-7-michael.christie@oracle.com Fixes: 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space") Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Fix conn cleanup and stop race during iscsid restartMike Christie2022-04-111-0/+17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | If iscsid is doing a stop_conn at the same time the kernel is starting error recovery we can hit a race that allows the cleanup work to run on a valid connection. In the race, iscsi_if_stop_conn sees the cleanup bit set, but it calls flush_work on the clean_work before iscsi_conn_error_event has queued it. The flush then returns before the queueing and so the cleanup_work can run later and disconnect/stop a conn while it's in a connected state. The patch: Commit 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space") added the late stop_conn call bug originally, and the patch: Commit 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling") attempted to fix it but only fixed the normal EH case and left the above race for the iscsid restart case. For the normal EH case we don't hit the race because we only signal userspace to start recovery after we have done the queueing, so the flush will always catch the queued work or see it completed. For iscsid restart cases like boot, we can hit the race because iscsid will call down to the kernel before the kernel has signaled any error, so both code paths can be running at the same time. This adds a lock around the setting of the cleanup bit and queueing so they happen together. Link: https://lore.kernel.org/r/20220408001314.5014-6-michael.christie@oracle.com Fixes: 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space") Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Fix endpoint reuse regressionMike Christie2022-04-111-1/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a bug where when using iSCSI offload we can free an endpoint while userspace still thinks it's active. That then causes the endpoint ID to be reused for a new connection's endpoint while userspace still thinks the ID is for the original connection. Userspace will then end up disconnecting a running connection's endpoint or trying to bind to another connection's endpoint. This bug is a regression added in: Commit 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling") where we added a in kernel ep_disconnect call to fix a bug in: Commit 0ab710458da1 ("scsi: iscsi: Perform connection failure entirely in kernel space") where we would call stop_conn without having done ep_disconnect. This early ep_disconnect call will then free the endpoint and it's ID while userspace still thinks the ID is valid. Fix the early release of the ID by having the in kernel recovery code keep a reference to the endpoint until userspace has called into the kernel to finish cleaning up the endpoint/connection. It requires the previous commit "scsi: iscsi: Release endpoint ID when its freed" which moved the freeing of the ID until when the endpoint is released. Link: https://lore.kernel.org/r/20220408001314.5014-5-michael.christie@oracle.com Fixes: 23d6fefbb3f6 ("scsi: iscsi: Fix in-kernel conn failure handling") Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Release endpoint ID when its freedMike Christie2022-04-111-36/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We can't release the endpoint ID until all references to the endpoint have been dropped or it could be allocated while in use. This has us use an idr instead of looping over all conns to find a free ID and then free the ID when all references have been dropped instead of when the device is only deleted. Link: https://lore.kernel.org/r/20220408001314.5014-4-michael.christie@oracle.com Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Reviewed-by: Wu Bo <wubo40@huawei.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Fix offload conn cleanup when iscsid restartsMike Christie2022-04-111-20/+28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When userspace restarts during boot or upgrades it won't know about the offload driver's endpoint and connection mappings. iscsid will start by cleaning up the old session by doing a stop_conn call. Later, if we are able to create a new connection, we clean up the old endpoint during the binding stage. The problem is that if we do stop_conn before doing the ep_disconnect call offload, drivers can still be executing I/O. We then might free tasks from the under the card/driver. This moves the ep_disconnect call to before we do the stop_conn call for this case. It will then work and look like a normal recovery/cleanup procedure from the driver's point of view. Link: https://lore.kernel.org/r/20220408001314.5014-3-michael.christie@oracle.com Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: iscsi: Move iscsi_ep_disconnect()Mike Christie2022-04-111-19/+19
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves iscsi_ep_disconnect() so it can be called earlier in the next patch. Link: https://lore.kernel.org/r/20220408001314.5014-2-michael.christie@oracle.com Tested-by: Manish Rangankar <mrangankar@marvell.com> Reviewed-by: Lee Duncan <lduncan@suse.com> Reviewed-by: Chris Leech <cleech@redhat.com> Signed-off-by: Mike Christie <michael.christie@oracle.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: pm80xx: Enable upper inbound, outbound queuesAjish Koshy2022-04-111-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Executing driver on servers with more than 32 CPUs were faced with command timeouts. This is because we were not geting completions for commands submitted on IQ32 - IQ63. Set E64Q bit to enable upper inbound and outbound queues 32 to 63 in the MPI main configuration table. Added 500ms delay after successful MPI initialization as mentioned in controller datasheet. Link: https://lore.kernel.org/r/20220411064603.668448-3-Ajish.Koshy@microchip.com Fixes: 05c6c029a44d ("scsi: pm80xx: Increase number of supported queues") Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com> Acked-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com> Signed-off-by: Viswas G <Viswas.G@microchip.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
* | | scsi: pm80xx: Mask and unmask upper interrupt vectors 32-63Ajish Koshy2022-04-111-9/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When upper inbound and outbound queues 32-63 are enabled, we see upper vectors 32-63 in interrupt service routine. We need corresponding registers to handle masking and unmasking of these upper interrupts. To achieve this, we use registers MSGU_ODMR_U(0x34) to mask and MSGU_ODMR_CLR_U(0x3C) to unmask the interrupts. In these registers bit 0-31 represents interrupt vectors 32-63. Link: https://lore.kernel.org/r/20220411064603.668448-2-Ajish.Koshy@microchip.com Fixes: 05c6c029a44d ("scsi: pm80xx: Increase number of supported queues") Reviewed-by: John Garry <john.garry@huawei.com> Acked-by: Jack Wang <jinpu.wang@ionos.com> Signed-off-by: Ajish Koshy <Ajish.Koshy@microchip.com> Signed-off-by: Viswas G <Viswas.G@microchip.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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