diff options
Diffstat (limited to 'drivers')
109 files changed, 1659 insertions, 873 deletions
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index b7c2a06963d6..25aba9b107dd 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -57,6 +57,7 @@ #define ACPI_BUTTON_LID_INIT_IGNORE 0x00 #define ACPI_BUTTON_LID_INIT_OPEN 0x01 +#define ACPI_BUTTON_LID_INIT_METHOD 0x02 #define _COMPONENT ACPI_BUTTON_COMPONENT ACPI_MODULE_NAME("button"); @@ -376,6 +377,9 @@ static void acpi_lid_initialize_state(struct acpi_device *device) case ACPI_BUTTON_LID_INIT_OPEN: (void)acpi_lid_notify_state(device, 1); break; + case ACPI_BUTTON_LID_INIT_METHOD: + (void)acpi_lid_update_state(device); + break; case ACPI_BUTTON_LID_INIT_IGNORE: default: break; @@ -560,6 +564,9 @@ static int param_set_lid_init_state(const char *val, struct kernel_param *kp) if (!strncmp(val, "open", sizeof("open") - 1)) { lid_init_state = ACPI_BUTTON_LID_INIT_OPEN; pr_info("Notify initial lid state as open\n"); + } else if (!strncmp(val, "method", sizeof("method") - 1)) { + lid_init_state = ACPI_BUTTON_LID_INIT_METHOD; + pr_info("Notify initial lid state with _LID return value\n"); } else if (!strncmp(val, "ignore", sizeof("ignore") - 1)) { lid_init_state = ACPI_BUTTON_LID_INIT_IGNORE; pr_info("Do not notify initial lid state\n"); @@ -573,6 +580,8 @@ static int param_get_lid_init_state(char *buffer, struct kernel_param *kp) switch (lid_init_state) { case ACPI_BUTTON_LID_INIT_OPEN: return sprintf(buffer, "open"); + case ACPI_BUTTON_LID_INIT_METHOD: + return sprintf(buffer, "method"); case ACPI_BUTTON_LID_INIT_IGNORE: return sprintf(buffer, "ignore"); default: diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c index 3ba1c3472cf9..fd86bec98dea 100644 --- a/drivers/acpi/nfit/mce.c +++ b/drivers/acpi/nfit/mce.c @@ -26,7 +26,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, struct nfit_spa *nfit_spa; /* We only care about memory errors */ - if (!(mce->status & MCACOD)) + if (!mce_is_memory_error(mce)) return NOTIFY_DONE; /* diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c index f62082fdd670..9c36b27996fc 100644 --- a/drivers/base/power/wakeup.c +++ b/drivers/base/power/wakeup.c @@ -512,13 +512,12 @@ static bool wakeup_source_not_registered(struct wakeup_source *ws) /** * wakup_source_activate - Mark given wakeup source as active. * @ws: Wakeup source to handle. - * @hard: If set, abort suspends in progress and wake up from suspend-to-idle. * * Update the @ws' statistics and, if @ws has just been activated, notify the PM * core of the event by incrementing the counter of of wakeup events being * processed. */ -static void wakeup_source_activate(struct wakeup_source *ws, bool hard) +static void wakeup_source_activate(struct wakeup_source *ws) { unsigned int cec; @@ -526,9 +525,6 @@ static void wakeup_source_activate(struct wakeup_source *ws, bool hard) "unregistered wakeup source\n")) return; - if (hard) - pm_system_wakeup(); - ws->active = true; ws->active_count++; ws->last_time = ktime_get(); @@ -554,7 +550,10 @@ static void wakeup_source_report_event(struct wakeup_source *ws, bool hard) ws->wakeup_count++; if (!ws->active) - wakeup_source_activate(ws, hard); + wakeup_source_activate(ws); + + if (hard) + pm_system_wakeup(); } /** diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm index 74ed7e9a7f27..2011fec2d6ad 100644 --- a/drivers/cpufreq/Kconfig.arm +++ b/drivers/cpufreq/Kconfig.arm @@ -71,6 +71,15 @@ config ARM_HIGHBANK_CPUFREQ If in doubt, say N. +config ARM_DB8500_CPUFREQ + tristate "ST-Ericsson DB8500 cpufreq" if COMPILE_TEST && !ARCH_U8500 + default ARCH_U8500 + depends on HAS_IOMEM + depends on !CPU_THERMAL || THERMAL + help + This adds the CPUFreq driver for ST-Ericsson Ux500 (DB8500) SoC + series. + config ARM_IMX6Q_CPUFREQ tristate "Freescale i.MX6 cpufreq support" depends on ARCH_MXC diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile index b7e78f063c4f..ab3a42cd29ef 100644 --- a/drivers/cpufreq/Makefile +++ b/drivers/cpufreq/Makefile @@ -53,7 +53,7 @@ obj-$(CONFIG_ARM_DT_BL_CPUFREQ) += arm_big_little_dt.o obj-$(CONFIG_ARM_BRCMSTB_AVS_CPUFREQ) += brcmstb-avs-cpufreq.o obj-$(CONFIG_ARCH_DAVINCI) += davinci-cpufreq.o -obj-$(CONFIG_UX500_SOC_DB8500) += dbx500-cpufreq.o +obj-$(CONFIG_ARM_DB8500_CPUFREQ) += dbx500-cpufreq.o obj-$(CONFIG_ARM_EXYNOS5440_CPUFREQ) += exynos5440-cpufreq.o obj-$(CONFIG_ARM_HIGHBANK_CPUFREQ) += highbank-cpufreq.o obj-$(CONFIG_ARM_IMX6Q_CPUFREQ) += imx6q-cpufreq.o diff --git a/drivers/firmware/efi/efi-pstore.c b/drivers/firmware/efi/efi-pstore.c index ab3a951a17e6..ef1fafdad400 100644 --- a/drivers/firmware/efi/efi-pstore.c +++ b/drivers/firmware/efi/efi-pstore.c @@ -53,6 +53,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, if (sscanf(name, "dump-type%u-%u-%d-%lu-%c", &record->type, &part, &cnt, &time, &data_type) == 5) { record->id = generic_id(time, part, cnt); + record->part = part; record->count = cnt; record->time.tv_sec = time; record->time.tv_nsec = 0; @@ -64,6 +65,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, } else if (sscanf(name, "dump-type%u-%u-%d-%lu", &record->type, &part, &cnt, &time) == 4) { record->id = generic_id(time, part, cnt); + record->part = part; record->count = cnt; record->time.tv_sec = time; record->time.tv_nsec = 0; @@ -77,6 +79,7 @@ static int efi_pstore_read_func(struct efivar_entry *entry, * multiple logs, remains. */ record->id = generic_id(time, part, 0); + record->part = part; record->count = 0; record->time.tv_sec = time; record->time.tv_nsec = 0; @@ -241,9 +244,15 @@ static int efi_pstore_write(struct pstore_record *record) efi_guid_t vendor = LINUX_EFI_CRASH_GUID; int i, ret = 0; + record->time.tv_sec = get_seconds(); + record->time.tv_nsec = 0; + + record->id = generic_id(record->time.tv_sec, record->part, + record->count); + snprintf(name, sizeof(name), "dump-type%u-%u-%d-%lu-%c", record->type, record->part, record->count, - get_seconds(), record->compressed ? 'C' : 'D'); + record->time.tv_sec, record->compressed ? 'C' : 'D'); for (i = 0; i < DUMP_NAME_LEN; i++) efi_name[i] = name[i]; @@ -255,7 +264,6 @@ static int efi_pstore_write(struct pstore_record *record) if (record->reason == KMSG_DUMP_OOPS) efivar_run_worker(); - record->id = record->part; return ret; }; @@ -287,7 +295,7 @@ static int efi_pstore_erase_func(struct efivar_entry *entry, void *data) * holding multiple logs, remains. */ snprintf(name_old, sizeof(name_old), "dump-type%u-%u-%lu", - ed->record->type, (unsigned int)ed->record->id, + ed->record->type, ed->record->part, ed->record->time.tv_sec); for (i = 0; i < DUMP_NAME_LEN; i++) @@ -320,10 +328,7 @@ static int efi_pstore_erase(struct pstore_record *record) char name[DUMP_NAME_LEN]; efi_char16_t efi_name[DUMP_NAME_LEN]; int found, i; - unsigned int part; - do_div(record->id, 1000); - part = do_div(record->id, 100); snprintf(name, sizeof(name), "dump-type%u-%u-%d-%lu", record->type, record->part, record->count, record->time.tv_sec); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index 236d9950221b..c0d8c6ff6380 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -425,10 +425,15 @@ bool amdgpu_fbdev_robj_is_fb(struct amdgpu_device *adev, struct amdgpu_bo *robj) void amdgpu_fbdev_restore_mode(struct amdgpu_device *adev) { - struct amdgpu_fbdev *afbdev = adev->mode_info.rfbdev; + struct amdgpu_fbdev *afbdev; struct drm_fb_helper *fb_helper; int ret; + if (!adev) + return; + + afbdev = adev->mode_info.rfbdev; + if (!afbdev) return; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 07ff3b1514f1..8ecf82c5fe74 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -634,7 +634,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job) mutex_unlock(&id_mgr->lock); } - if (gds_switch_needed) { + if (ring->funcs->emit_gds_switch && gds_switch_needed) { id->gds_base = job->gds_base; id->gds_size = job->gds_size; id->gws_base = job->gws_base; @@ -672,6 +672,7 @@ void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vmhub, struct amdgpu_vm_id_manager *id_mgr = &adev->vm_manager.id_mgr[vmhub]; struct amdgpu_vm_id *id = &id_mgr->ids[vmid]; + atomic64_set(&id->owner, 0); id->gds_base = 0; id->gds_size = 0; id->gws_base = 0; @@ -681,6 +682,26 @@ void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vmhub, } /** + * amdgpu_vm_reset_all_id - reset VMID to zero + * + * @adev: amdgpu device structure + * + * Reset VMID to force flush on next use + */ +void amdgpu_vm_reset_all_ids(struct amdgpu_device *adev) +{ + unsigned i, j; + + for (i = 0; i < AMDGPU_MAX_VMHUBS; ++i) { + struct amdgpu_vm_id_manager *id_mgr = + &adev->vm_manager.id_mgr[i]; + + for (j = 1; j < id_mgr->num_ids; ++j) + amdgpu_vm_reset_id(adev, i, j); + } +} + +/** * amdgpu_vm_bo_find - find the bo_va for a specific vm & bo * * @vm: requested vm @@ -2270,7 +2291,6 @@ void amdgpu_vm_manager_init(struct amdgpu_device *adev) for (i = 0; i < AMDGPU_MAX_RINGS; ++i) adev->vm_manager.seqno[i] = 0; - atomic_set(&adev->vm_manager.vm_pte_next_ring, 0); atomic64_set(&adev->vm_manager.client_counter, 0); spin_lock_init(&adev->vm_manager.prt_lock); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index d97e28b4bdc4..e1d951ece433 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -204,6 +204,7 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job); void amdgpu_vm_reset_id(struct amdgpu_device *adev, unsigned vmhub, unsigned vmid); +void amdgpu_vm_reset_all_ids(struct amdgpu_device *adev); int amdgpu_vm_update_directories(struct amdgpu_device *adev, struct amdgpu_vm *vm); int amdgpu_vm_clear_freed(struct amdgpu_device *adev, diff --git a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c index 6dc1410b380f..ec93714e4524 100644 --- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c @@ -906,6 +906,12 @@ static bool ci_dpm_vblank_too_short(struct amdgpu_device *adev) u32 vblank_time = amdgpu_dpm_get_vblank_time(adev); u32 switch_limit = adev->mc.vram_type == AMDGPU_VRAM_TYPE_GDDR5 ? 450 : 300; + /* disable mclk switching if the refresh is >120Hz, even if the + * blanking period would allow it + */ + if (amdgpu_dpm_get_vrefresh(adev) > 120) + return true; + if (vblank_time < switch_limit) return true; else diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index a572979f186c..d860939152df 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -950,10 +950,6 @@ static int gmc_v6_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - if (adev->vm_manager.enabled) { - gmc_v6_0_vm_fini(adev); - adev->vm_manager.enabled = false; - } gmc_v6_0_hw_fini(adev); return 0; @@ -968,16 +964,9 @@ static int gmc_v6_0_resume(void *handle) if (r) return r; - if (!adev->vm_manager.enabled) { - r = gmc_v6_0_vm_init(adev); - if (r) { - dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); - return r; - } - adev->vm_manager.enabled = true; - } + amdgpu_vm_reset_all_ids(adev); - return r; + return 0; } static bool gmc_v6_0_is_idle(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c index a9083a16a250..2750e5c23813 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c @@ -1117,10 +1117,6 @@ static int gmc_v7_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - if (adev->vm_manager.enabled) { - gmc_v7_0_vm_fini(adev); - adev->vm_manager.enabled = false; - } gmc_v7_0_hw_fini(adev); return 0; @@ -1135,16 +1131,9 @@ static int gmc_v7_0_resume(void *handle) if (r) return r; - if (!adev->vm_manager.enabled) { - r = gmc_v7_0_vm_init(adev); - if (r) { - dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); - return r; - } - adev->vm_manager.enabled = true; - } + amdgpu_vm_reset_all_ids(adev); - return r; + return 0; } static bool gmc_v7_0_is_idle(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c index 4ac99784160a..f56b4089ee9f 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v8_0.c @@ -1209,10 +1209,6 @@ static int gmc_v8_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - if (adev->vm_manager.enabled) { - gmc_v8_0_vm_fini(adev); - adev->vm_manager.enabled = false; - } gmc_v8_0_hw_fini(adev); return 0; @@ -1227,16 +1223,9 @@ static int gmc_v8_0_resume(void *handle) if (r) return r; - if (!adev->vm_manager.enabled) { - r = gmc_v8_0_vm_init(adev); - if (r) { - dev_err(adev->dev, "vm manager initialization failed (%d).\n", r); - return r; - } - adev->vm_manager.enabled = true; - } + amdgpu_vm_reset_all_ids(adev); - return r; + return 0; } static bool gmc_v8_0_is_idle(void *handle) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index dc1e1c1d6b24..f936332a069d 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -791,10 +791,6 @@ static int gmc_v9_0_suspend(void *handle) { struct amdgpu_device *adev = (struct amdgpu_device *)handle; - if (adev->vm_manager.enabled) { - gmc_v9_0_vm_fini(adev); - adev->vm_manager.enabled = false; - } gmc_v9_0_hw_fini(adev); return 0; @@ -809,17 +805,9 @@ static int gmc_v9_0_resume(void *handle) if (r) return r; - if (!adev->vm_manager.enabled) { - r = gmc_v9_0_vm_init(adev); - if (r) { - dev_err(adev->dev, - "vm manager initialization failed (%d).\n", r); - return r; - } - adev->vm_manager.enabled = true; - } + amdgpu_vm_reset_all_ids(adev); - return r; + return 0; } static bool gmc_v9_0_is_idle(void *handle) diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c index a74a3db3056c..102eb6d029fa 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_hwmgr.c @@ -2655,6 +2655,28 @@ static int smu7_get_power_state_size(struct pp_hwmgr *hwmgr) return sizeof(struct smu7_power_state); } +static int smu7_vblank_too_short(struct pp_hwmgr *hwmgr, + uint32_t vblank_time_us) +{ + struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); + uint32_t switch_limit_us; + + switch (hwmgr->chip_id) { + case CHIP_POLARIS10: + case CHIP_POLARIS11: + case CHIP_POLARIS12: + switch_limit_us = data->is_memory_gddr5 ? 190 : 150; + break; + default: + switch_limit_us = data->is_memory_gddr5 ? 450 : 150; + break; + } + + if (vblank_time_us < switch_limit_us) + return true; + else + return false; +} static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, struct pp_power_state *request_ps, @@ -2669,6 +2691,7 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, bool disable_mclk_switching; bool disable_mclk_switching_for_frame_lock; struct cgs_display_info info = {0}; + struct cgs_mode_info mode_info = {0}; const struct phm_clock_and_voltage_limits *max_limits; uint32_t i; struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend); @@ -2677,6 +2700,7 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, int32_t count; int32_t stable_pstate_sclk = 0, stable_pstate_mclk = 0; + info.mode_info = &mode_info; data->battery_state = (PP_StateUILabel_Battery == request_ps->classification.ui_label); @@ -2703,8 +2727,6 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, cgs_get_active_displays_info(hwmgr->device, &info); - /*TO DO result = PHM_CheckVBlankTime(hwmgr, &vblankTooShort);*/ - minimum_clocks.engineClock = hwmgr->display_config.min_core_set_clock; minimum_clocks.memoryClock = hwmgr->display_config.min_mem_set_clock; @@ -2769,8 +2791,10 @@ static int smu7_apply_state_adjust_rules(struct pp_hwmgr *hwmgr, PHM_PlatformCaps_DisableMclkSwitchingForFrameLock); - disable_mclk_switching = (1 < info.display_count) || - disable_mclk_switching_for_frame_lock; + disable_mclk_switching = ((1 < info.display_count) || + disable_mclk_switching_for_frame_lock || + smu7_vblank_too_short(hwmgr, mode_info.vblank_time_us) || + (mode_info.refresh_rate > 120)); sclk = smu7_ps->performance_levels[0].engine_clock; mclk = smu7_ps->performance_levels[0].memory_clock; diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c index ad30f5d3a10d..2614af2f553f 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c @@ -4186,7 +4186,7 @@ static int vega10_force_clock_level(struct pp_hwmgr *hwmgr, enum pp_clock_type type, uint32_t mask) { struct vega10_hwmgr *data = (struct vega10_hwmgr *)(hwmgr->backend); - uint32_t i; + int i; if (hwmgr->dpm_level != AMD_DPM_FORCED_LEVEL_MANUAL) return -EINVAL; diff --git a/drivers/gpu/drm/drm_plane.c b/drivers/gpu/drm/drm_plane.c index fedd4d60d9cd..5dc8c4350602 100644 --- a/drivers/gpu/drm/drm_plane.c +++ b/drivers/gpu/drm/drm_plane.c @@ -948,8 +948,6 @@ retry: } out: - if (ret && crtc->funcs->page_flip_target) - drm_crtc_vblank_put(crtc); if (fb) drm_framebuffer_put(fb); if (crtc->primary->old_fb) @@ -964,5 +962,8 @@ out: drm_modeset_drop_locks(&ctx); drm_modeset_acquire_fini(&ctx); + if (ret && crtc->funcs->page_flip_target) + drm_crtc_vblank_put(crtc); + return ret; } diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index 0066fe7e622e..be3eefec5152 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -759,20 +759,23 @@ void psb_intel_lvds_init(struct drm_device *dev, if (scan->type & DRM_MODE_TYPE_PREFERRED) { mode_dev->panel_fixed_mode = drm_mode_duplicate(dev, scan); + DRM_DEBUG_KMS("Using mode from DDC\n"); goto out; /* FIXME: check for quirks */ } } /* Failed to get EDID, what about VBT? do we need this? */ - if (mode_dev->vbt_mode) + if (dev_priv->lfp_lvds_vbt_mode) { mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, mode_dev->vbt_mode); + drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode); - if (!mode_dev->panel_fixed_mode) - if (dev_priv->lfp_lvds_vbt_mode) - mode_dev->panel_fixed_mode = - drm_mode_duplicate(dev, - dev_priv->lfp_lvds_vbt_mode); + if (mode_dev->panel_fixed_mode) { + mode_dev->panel_fixed_mode->type |= + DRM_MODE_TYPE_PREFERRED; + DRM_DEBUG_KMS("Using mode from VBT\n"); + goto out; + } + } /* * If we didn't get EDID, try checking if the panel is already turned @@ -789,6 +792,7 @@ void psb_intel_lvds_init(struct drm_device *dev, if (mode_dev->panel_fixed_mode) { mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED; + DRM_DEBUG_KMS("Using pre-programmed mode\n"); goto out; /* FIXME: check for quirks */ } } diff --git a/drivers/gpu/drm/qxl/qxl_display.c b/drivers/gpu/drm/qxl/qxl_display.c index 058340a002c2..4a340efd8ba6 100644 --- a/drivers/gpu/drm/qxl/qxl_display.c +++ b/drivers/gpu/drm/qxl/qxl_display.c @@ -575,8 +575,6 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, if (ret) return; - cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); - if (fb != old_state->fb) { obj = to_qxl_framebuffer(fb)->obj; user_bo = gem_to_qxl_bo(obj); @@ -614,6 +612,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, qxl_bo_kunmap(cursor_bo); qxl_bo_kunmap(user_bo); + cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); cmd->u.set.visible = 1; cmd->u.set.shape = qxl_bo_physical_address(qdev, cursor_bo, 0); @@ -624,6 +623,7 @@ static void qxl_cursor_atomic_update(struct drm_plane *plane, if (ret) goto out_free_release; + cmd = (struct qxl_cursor_cmd *) qxl_release_map(qdev, release); cmd->type = QXL_CURSOR_MOVE; } diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c index 7ba450832e6b..ea36dc4dd5d2 100644 --- a/drivers/gpu/drm/radeon/ci_dpm.c +++ b/drivers/gpu/drm/radeon/ci_dpm.c @@ -776,6 +776,12 @@ bool ci_dpm_vblank_too_short(struct radeon_device *rdev) u32 vblank_time = r600_dpm_get_vblank_time(rdev); u32 switch_limit = pi->mem_gddr5 ? 450 : 300; + /* disable mclk switching if the refresh is >120Hz, even if the + * blanking period would allow it + */ + if (r600_dpm_get_vrefresh(rdev) > 120) + return true; + if (vblank_time < switch_limit) return true; else diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c index ccebe0f8d2e1..008c145b7f29 100644 --- a/drivers/gpu/drm/radeon/cik.c +++ b/drivers/gpu/drm/radeon/cik.c @@ -7401,7 +7401,7 @@ static inline void cik_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } @@ -7431,7 +7431,7 @@ static inline void cik_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.cik.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_RX_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index f130ec41ee4b..0bf103536404 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -4927,7 +4927,7 @@ static void evergreen_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } @@ -4958,7 +4958,7 @@ static void evergreen_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_RX_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index 0a085176e79b..e06e2d8feab3 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -3988,7 +3988,7 @@ static void r600_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c index e3e7cb1d10a2..4761f27f2ca2 100644 --- a/drivers/gpu/drm/radeon/radeon_kms.c +++ b/drivers/gpu/drm/radeon/radeon_kms.c @@ -116,7 +116,7 @@ int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags) if ((radeon_runtime_pm != 0) && radeon_has_atpx() && ((flags & RADEON_IS_IGP) == 0) && - !pci_is_thunderbolt_attached(rdev->pdev)) + !pci_is_thunderbolt_attached(dev->pdev)) flags |= RADEON_IS_PX; /* radeon_device_init should report only fatal error diff --git a/drivers/gpu/drm/radeon/si.c b/drivers/gpu/drm/radeon/si.c index ceee87f029d9..76d1888528e6 100644 --- a/drivers/gpu/drm/radeon/si.c +++ b/drivers/gpu/drm/radeon/si.c @@ -6317,7 +6317,7 @@ static inline void si_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } @@ -6348,7 +6348,7 @@ static inline void si_irq_ack(struct radeon_device *rdev) WREG32(DC_HPD5_INT_CONTROL, tmp); } if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_RX_INTERRUPT) { - tmp = RREG32(DC_HPD5_INT_CONTROL); + tmp = RREG32(DC_HPD6_INT_CONTROL); tmp |= DC_HPDx_RX_INT_ACK; WREG32(DC_HPD6_INT_CONTROL, tmp); } diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c index 6283b99d2b17..d1263b82d646 100644 --- a/drivers/i2c/busses/i2c-designware-platdrv.c +++ b/drivers/i2c/busses/i2c-designware-platdrv.c @@ -94,9 +94,9 @@ static void dw_i2c_acpi_params(struct platform_device *pdev, char method[], static int dw_i2c_acpi_configure(struct platform_device *pdev) { struct dw_i2c_dev *dev = platform_get_drvdata(pdev); + u32 ss_ht = 0, fp_ht = 0, hs_ht = 0, fs_ht = 0; acpi_handle handle = ACPI_HANDLE(&pdev->dev); const struct acpi_device_id *id; - u32 ss_ht, fp_ht, hs_ht, fs_ht; struct acpi_device *adev; const char *uid; diff --git a/drivers/i2c/busses/i2c-tiny-usb.c b/drivers/i2c/busses/i2c-tiny-usb.c index 0ed77eeff31e..a2e3dd715380 100644 --- a/drivers/i2c/busses/i2c-tiny-usb.c +++ b/drivers/i2c/busses/i2c-tiny-usb.c @@ -178,22 +178,39 @@ static int usb_read(struct i2c_adapter *adapter, int cmd, int value, int index, void *data, int len) { struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data; + void *dmadata = kmalloc(len, GFP_KERNEL); + int ret; + + if (!dmadata) + return -ENOMEM; /* do control transfer */ - return usb_control_msg(dev->usb_dev, usb_rcvctrlpipe(dev->usb_dev, 0), + ret = usb_control_msg(dev->usb_dev, usb_rcvctrlpipe(dev->usb_dev, 0), cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE | - USB_DIR_IN, value, index, data, len, 2000); + USB_DIR_IN, value, index, dmadata, len, 2000); + + memcpy(data, dmadata, len); + kfree(dmadata); + return ret; } static int usb_write(struct i2c_adapter *adapter, int cmd, int value, int index, void *data, int len) { struct i2c_tiny_usb *dev = (struct i2c_tiny_usb *)adapter->algo_data; + void *dmadata = kmemdup(data, len, GFP_KERNEL); + int ret; + + if (!dmadata) + return -ENOMEM; /* do control transfer */ - return usb_control_msg(dev->usb_dev, usb_sndctrlpipe(dev->usb_dev, 0), + ret = usb_control_msg(dev->usb_dev, usb_sndctrlpipe(dev->usb_dev, 0), cmd, USB_TYPE_VENDOR | USB_RECIP_INTERFACE, - value, index, data, len, 2000); + value, index, dmadata, len, 2000); + + kfree(dmadata); + return ret; } static void i2c_tiny_usb_free(struct i2c_tiny_usb *dev) diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c index a679e56c44cd..f431da07f861 100644 --- a/drivers/input/mouse/elan_i2c_i2c.c +++ b/drivers/input/mouse/elan_i2c_i2c.c @@ -554,32 +554,34 @@ static int elan_i2c_finish_fw_update(struct i2c_client *client, struct completion *completion) { struct device *dev = &client->dev; - long ret; int error; int len; - u8 buffer[ETP_I2C_INF_LENGTH]; + u8 buffer[ETP_I2C_REPORT_LEN]; + + len = i2c_master_recv(client, buffer, ETP_I2C_REPORT_LEN); + if (len != ETP_I2C_REPORT_LEN) { + error = len < 0 ? len : -EIO; + dev_warn(dev, "failed to read I2C data after FW WDT reset: %d (%d)\n", + error, len); + } reinit_completion(completion); enable_irq(client->irq); error = elan_i2c_write_cmd(client, ETP_I2C_STAND_CMD, ETP_I2C_RESET); - if (!error) - ret = wait_for_completion_interruptible_timeout(completion, - msecs_to_jiffies(300)); - disable_irq(client->irq); - if (error) { dev_err(dev, "device reset failed: %d\n", error); - return error; - } else if (ret == 0) { + } else if (!wait_for_completion_timeout(completion, + msecs_to_jiffies(300))) { dev_err(dev, "timeout waiting for device reset\n"); - return -ETIMEDOUT; - } else if (ret < 0) { - error = ret; - dev_err(dev, "error waiting for device reset: %d\n", error); - return error; + error = -ETIMEDOUT; } + disable_irq(client->irq); + + if (error) + return error; + len = i2c_master_recv(client, buffer, ETP_I2C_INF_LENGTH); if (len != ETP_I2C_INF_LENGTH) { error = len < 0 ? len : -EIO; diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 2302aef2b2d4..dd042a9b0aaa 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -350,6 +350,7 @@ static bool mxt_object_readable(unsigned int type) case MXT_TOUCH_KEYARRAY_T15: case MXT_TOUCH_PROXIMITY_T23: case MXT_TOUCH_PROXKEY_T52: + case MXT_TOUCH_MULTITOUCHSCREEN_T100: case MXT_PROCI_GRIPFACE_T20: case MXT_PROCG_NOISE_T22: case MXT_PROCI_ONETOUCH_T24: diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 8cf8d8d5d4ef..f872817e81e4 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -471,7 +471,7 @@ static EDT_ATTR(gain, S_IWUSR | S_IRUGO, WORK_REGISTER_GAIN, static EDT_ATTR(offset, S_IWUSR | S_IRUGO, WORK_REGISTER_OFFSET, M09_REGISTER_OFFSET, 0, 31); static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD, - M09_REGISTER_THRESHOLD, 20, 80); + M09_REGISTER_THRESHOLD, 0, 80); static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE, NO_REGISTER, 3, 14); diff --git a/drivers/leds/leds-pca955x.c b/drivers/leds/leds-pca955x.c index 78a7ce816a47..9a873118ea5f 100644 --- a/drivers/leds/leds-pca955x.c +++ b/drivers/leds/leds-pca955x.c @@ -285,7 +285,7 @@ static int pca955x_probe(struct i2c_client *client, "slave address 0x%02x\n", client->name, chip->bits, client->addr); - if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) return -EIO; if (pdata) { diff --git a/drivers/mmc/core/pwrseq_simple.c b/drivers/mmc/core/pwrseq_simple.c index 1304160de168..13ef162cf066 100644 --- a/drivers/mmc/core/pwrseq_simple.c +++ b/drivers/mmc/core/pwrseq_simple.c @@ -27,6 +27,7 @@ struct mmc_pwrseq_simple { struct mmc_pwrseq pwrseq; bool clk_enabled; u32 post_power_on_delay_ms; + u32 power_off_delay_us; struct clk *ext_clk; struct gpio_descs *reset_gpios; }; @@ -78,6 +79,10 @@ static void mmc_pwrseq_simple_power_off(struct mmc_host *host) mmc_pwrseq_simple_set_gpios_value(pwrseq, 1); + if (pwrseq->power_off_delay_us) + usleep_range(pwrseq->power_off_delay_us, + 2 * pwrseq->power_off_delay_us); + if (!IS_ERR(pwrseq->ext_clk) && pwrseq->clk_enabled) { clk_disable_unprepare(pwrseq->ext_clk); pwrseq->clk_enabled = false; @@ -119,6 +124,8 @@ static int mmc_pwrseq_simple_probe(struct platform_device *pdev) device_property_read_u32(dev, "post-power-on-delay-ms", &pwrseq->post_power_on_delay_ms); + device_property_read_u32(dev, "power-off-delay-us", + &pwrseq->power_off_delay_us); pwrseq->pwrseq.dev = dev; pwrseq->pwrseq.ops = &mmc_pwrseq_simple_ops; diff --git a/drivers/mmc/host/cavium-octeon.c b/drivers/mmc/host/cavium-octeon.c index 772d0900026d..951d2cdd7888 100644 --- a/drivers/mmc/host/cavium-octeon.c +++ b/drivers/mmc/host/cavium-octeon.c @@ -108,7 +108,7 @@ static void octeon_mmc_release_bus(struct cvm_mmc_host *host) static void octeon_mmc_int_enable(struct cvm_mmc_host *host, u64 val) { writeq(val, host->base + MIO_EMM_INT(host)); - if (!host->dma_active || (host->dma_active && !host->has_ciu3)) + if (!host->has_ciu3) writeq(val, host->base + MIO_EMM_INT_EN(host)); } @@ -267,7 +267,7 @@ static int octeon_mmc_probe(struct platform_device *pdev) } host->global_pwr_gpiod = devm_gpiod_get_optional(&pdev->dev, - "power-gpios", + "power", GPIOD_OUT_HIGH); if (IS_ERR(host->global_pwr_gpiod)) { dev_err(&pdev->dev, "Invalid power GPIO\n"); @@ -288,11 +288,20 @@ static int octeon_mmc_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Error populating slots\n"); octeon_mmc_set_shared_power(host, 0); - return ret; + goto error; } i++; } return 0; + +error: + for (i = 0; i < CAVIUM_MAX_MMC; i++) { + if (host->slot[i]) + cvm_mmc_of_slot_remove(host->slot[i]); + if (host->slot_pdev[i]) + of_platform_device_destroy(&host->slot_pdev[i]->dev, NULL); + } + return ret; } static int octeon_mmc_remove(struct platform_device *pdev) diff --git a/drivers/mmc/host/cavium-thunderx.c b/drivers/mmc/host/cavium-thunderx.c index fe3d77267cd6..b9cc95998799 100644 --- a/drivers/mmc/host/cavium-thunderx.c +++ b/drivers/mmc/host/cavium-thunderx.c @@ -146,6 +146,12 @@ static int thunder_mmc_probe(struct pci_dev *pdev, return 0; error: + for (i = 0; i < CAVIUM_MAX_MMC; i++) { + if (host->slot[i]) + cvm_mmc_of_slot_remove(host->slot[i]); + if (host->slot_pdev[i]) + of_platform_device_destroy(&host->slot_pdev[i]->dev, NULL); + } clk_disable_unprepare(host->clk); return ret; } diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c index 58b51ba6aabd..b8aaf0fdb77c 100644 --- a/drivers/mmc/host/cavium.c +++ b/drivers/mmc/host/cavium.c @@ -839,14 +839,14 @@ static void cvm_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) cvm_mmc_reset_bus(slot); if (host->global_pwr_gpiod) host->set_shared_power(host, 0); - else + else if (!IS_ERR(mmc->supply.vmmc)) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, 0); break; case MMC_POWER_UP: if (host->global_pwr_gpiod) host->set_shared_power(host, 1); - else + else if (!IS_ERR(mmc->supply.vmmc)) mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, ios->vdd); break; } @@ -968,20 +968,15 @@ static int cvm_mmc_of_parse(struct device *dev, struct cvm_mmc_slot *slot) return -EINVAL; } - mmc->supply.vmmc = devm_regulator_get_optional(dev, "vmmc"); - if (IS_ERR(mmc->supply.vmmc)) { - if (PTR_ERR(mmc->supply.vmmc) == -EPROBE_DEFER) - return -EPROBE_DEFER; - /* - * Legacy Octeon firmware has no regulator entry, fall-back to - * a hard-coded voltage to get a sane OCR. - */ + ret = mmc_regulator_get_supply(mmc); + if (ret == -EPROBE_DEFER) + return ret; + /* + * Legacy Octeon firmware has no regulator entry, fall-back to + * a hard-coded voltage to get a sane OCR. + */ + if (IS_ERR(mmc->supply.vmmc)) mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; - } else { - ret = mmc_regulator_get_ocrmask(mmc->supply.vmmc); - if (ret > 0) - mmc->ocr_avail = ret; - } /* Common MMC bindings */ ret = mmc_of_parse(mmc); diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c index 3275d4995812..61666d269771 100644 --- a/drivers/mmc/host/sdhci-iproc.c +++ b/drivers/mmc/host/sdhci-iproc.c @@ -187,7 +187,8 @@ static const struct sdhci_iproc_data iproc_cygnus_data = { }; static const struct sdhci_pltfm_data sdhci_iproc_pltfm_data = { - .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK, + .quirks = SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK | + SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12, .quirks2 = SDHCI_QUIRK2_ACMD23_BROKEN, .ops = &sdhci_iproc_ops, }; diff --git a/drivers/mmc/host/sdhci-xenon-phy.c b/drivers/mmc/host/sdhci-xenon-phy.c index 6356781f1cca..f7e26b031e76 100644 --- a/drivers/mmc/host/sdhci-xenon-phy.c +++ b/drivers/mmc/host/sdhci-xenon-phy.c @@ -787,14 +787,6 @@ int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios) return ret; } -void xenon_clean_phy(struct sdhci_host *host) -{ - struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - struct xenon_priv *priv = sdhci_pltfm_priv(pltfm_host); - - kfree(priv->phy_params); -} - static int xenon_add_phy(struct device_node *np, struct sdhci_host *host, const char *phy_name) { @@ -819,11 +811,7 @@ static int xenon_add_phy(struct device_node *np, struct sdhci_host *host, if (ret) return ret; - ret = xenon_emmc_phy_parse_param_dt(host, np, priv->phy_params); - if (ret) - xenon_clean_phy(host); - - return ret; + return xenon_emmc_phy_parse_param_dt(host, np, priv->phy_params); } int xenon_phy_parse_dt(struct device_node *np, struct sdhci_host *host) diff --git a/drivers/mmc/host/sdhci-xenon.c b/drivers/mmc/host/sdhci-xenon.c index 67246655315b..bc1781bb070b 100644 --- a/drivers/mmc/host/sdhci-xenon.c +++ b/drivers/mmc/host/sdhci-xenon.c @@ -486,7 +486,7 @@ static int xenon_probe(struct platform_device *pdev) err = xenon_sdhc_prepare(host); if (err) - goto clean_phy_param; + goto err_clk; err = sdhci_add_host(host); if (err) @@ -496,8 +496,6 @@ static int xenon_probe(struct platform_device *pdev) remove_sdhc: xenon_sdhc_unprepare(host); -clean_phy_param: - xenon_clean_phy(host); err_clk: clk_disable_unprepare(pltfm_host->clk); free_pltfm: @@ -510,8 +508,6 @@ static int xenon_remove(struct platform_device *pdev) struct sdhci_host *host = platform_get_drvdata(pdev); struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - xenon_clean_phy(host); - sdhci_remove_host(host, 0); xenon_sdhc_unprepare(host); diff --git a/drivers/mmc/host/sdhci-xenon.h b/drivers/mmc/host/sdhci-xenon.h index 6e6523ea01ce..73debb42dc2f 100644 --- a/drivers/mmc/host/sdhci-xenon.h +++ b/drivers/mmc/host/sdhci-xenon.h @@ -93,7 +93,6 @@ struct xenon_priv { }; int xenon_phy_adj(struct sdhci_host *host, struct mmc_ios *ios); -void xenon_clean_phy(struct sdhci_host *host); int xenon_phy_parse_dt(struct device_node *np, struct sdhci_host *host); void xenon_soc_pad_ctrl(struct sdhci_host *host, diff --git a/drivers/net/bonding/bond_3ad.c b/drivers/net/bonding/bond_3ad.c index c5fd4259da33..b44a6aeb346d 100644 --- a/drivers/net/bonding/bond_3ad.c +++ b/drivers/net/bonding/bond_3ad.c @@ -2577,7 +2577,7 @@ int __bond_3ad_get_active_agg_info(struct bonding *bond, return -1; ad_info->aggregator_id = aggregator->aggregator_identifier; - ad_info->ports = aggregator->num_of_ports; + ad_info->ports = __agg_active_ports(aggregator); ad_info->actor_key = aggregator->actor_oper_aggregator_key; ad_info->partner_key = aggregator->partner_oper_aggregator_key; ether_addr_copy(ad_info->partner_system, diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c index 2be78807fd6e..2359478b977f 100644 --- a/drivers/net/bonding/bond_main.c +++ b/drivers/net/bonding/bond_main.c @@ -2612,11 +2612,13 @@ static void bond_loadbalance_arp_mon(struct bonding *bond) bond_for_each_slave_rcu(bond, slave, iter) { unsigned long trans_start = dev_trans_start(slave->dev); + slave->new_link = BOND_LINK_NOCHANGE; + if (slave->link != BOND_LINK_UP) { if (bond_time_in_interval(bond, trans_start, 1) && bond_time_in_interval(bond, slave->last_rx, 1)) { - slave->link = BOND_LINK_UP; + slave->new_link = BOND_LINK_UP; slave_state_changed = 1; /* primary_slave has no meaning in round-robin @@ -2643,7 +2645,7 @@ static void bond_loadbalance_arp_mon(struct bonding *bond) if (!bond_time_in_interval(bond, trans_start, 2) || !bond_time_in_interval(bond, slave->last_rx, 2)) { - slave->link = BOND_LINK_DOWN; + slave->new_link = BOND_LINK_DOWN; slave_state_changed = 1; if (slave->link_failure_count < UINT_MAX) @@ -2674,6 +2676,11 @@ static void bond_loadbalance_arp_mon(struct bonding *bond) if (!rtnl_trylock()) goto re_arm; + bond_for_each_slave(bond, slave, iter) { + if (slave->new_link != BOND_LINK_NOCHANGE) + slave->link = slave->new_link; + } + if (slave_state_changed) { bond_slave_state_change(bond); if (BOND_MODE(bond) == BOND_MODE_XOR) @@ -4271,10 +4278,10 @@ static int bond_check_params(struct bond_params *params) int arp_validate_value, fail_over_mac_value, primary_reselect_value, i; struct bond_opt_value newval; const struct bond_opt_value *valptr; - int arp_all_targets_value; + int arp_all_targets_value = 0; u16 ad_actor_sys_prio = 0; u16 ad_user_port_key = 0; - __be32 arp_target[BOND_MAX_ARP_TARGETS]; + __be32 arp_target[BOND_MAX_ARP_TARGETS] = { 0 }; int arp_ip_count; int bond_mode = BOND_MODE_ROUNDROBIN; int xmit_hashtype = BOND_XMIT_POLICY_LAYER2; @@ -4501,7 +4508,6 @@ static int bond_check_params(struct bond_params *params) arp_validate_value = 0; } - arp_all_targets_value = 0; if (arp_all_targets) { bond_opt_initstr(&newval, arp_all_targets); valptr = bond_opt_parse(bond_opt_get(BOND_OPT_ARP_ALL_TARGETS), diff --git a/drivers/net/ethernet/8390/ax88796.c b/drivers/net/ethernet/8390/ax88796.c index b0a3b85fc6f8..db02bc2fb4b2 100644 --- a/drivers/net/ethernet/8390/ax88796.c +++ b/drivers/net/ethernet/8390/ax88796.c @@ -748,13 +748,13 @@ static int ax_init_dev(struct net_device *dev) ret = ax_mii_init(dev); if (ret) - goto out_irq; + goto err_out; ax_NS8390_init(dev, 0); ret = register_netdev(dev); if (ret) - goto out_irq; + goto err_out; netdev_info(dev, "%dbit, irq %d, %lx, MAC: %pM\n", ei_local->word16 ? 16 : 8, dev->irq, dev->base_addr, @@ -762,9 +762,6 @@ static int ax_init_dev(struct net_device *dev) return 0; - out_irq: - /* cleanup irq */ - free_irq(dev->irq, dev); err_out: return ret; } diff --git a/drivers/net/ethernet/atheros/atlx/atl2.c b/drivers/net/ethernet/atheros/atlx/atl2.c index 63f2deec2a52..77a1c03255de 100644 --- a/drivers/net/ethernet/atheros/atlx/atl2.c +++ b/drivers/net/ethernet/atheros/atlx/atl2.c @@ -1353,6 +1353,7 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)) && pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) { printk(KERN_ERR "atl2: No usable DMA configuration, aborting\n"); + err = -EIO; goto err_dma; } @@ -1366,10 +1367,11 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * pcibios_set_master to do the needed arch specific settings */ pci_set_master(pdev); - err = -ENOMEM; netdev = alloc_etherdev(sizeof(struct atl2_adapter)); - if (!netdev) + if (!netdev) { + err = -ENOMEM; goto err_alloc_etherdev; + } SET_NETDEV_DEV(netdev, &pdev->dev); @@ -1408,8 +1410,6 @@ static int atl2_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (err) goto err_sw_init; - err = -EIO; - netdev->hw_features = NETIF_F_HW_VLAN_CTAG_RX; netdev->features |= (NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX); diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c index f3a09ab55900..4eee18ce9be4 100644 --- a/drivers/net/ethernet/emulex/benet/be_main.c +++ b/drivers/net/ethernet/emulex/benet/be_main.c @@ -5078,9 +5078,11 @@ static netdev_features_t be_features_check(struct sk_buff *skb, struct be_adapter *adapter = netdev_priv(dev); u8 l4_hdr = 0; - /* The code below restricts offload features for some tunneled packets. + /* The code below restricts offload features for some tunneled and + * Q-in-Q packets. * Offload features for normal (non tunnel) packets are unchanged. */ + features = vlan_features_check(skb, features); if (!skb->encapsulation || !(adapter->flags & BE_FLAGS_VXLAN_OFFLOADS)) return features; diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 56a563f90b0b..f7c8649fd28f 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -3192,7 +3192,7 @@ static int fec_reset_phy(struct platform_device *pdev) { int err, phy_reset; bool active_high = false; - int msec = 1; + int msec = 1, phy_post_delay = 0; struct device_node *np = pdev->dev.of_node; if (!np) @@ -3209,6 +3209,11 @@ static int fec_reset_phy(struct platform_device *pdev) else if (!gpio_is_valid(phy_reset)) return 0; + err = of_property_read_u32(np, "phy-reset-post-delay", &phy_post_delay); + /* valid reset duration should be less than 1s */ + if (!err && phy_post_delay > 1000) + return -EINVAL; + active_high = of_property_read_bool(np, "phy-reset-active-high"); err = devm_gpio_request_one(&pdev->dev, phy_reset, @@ -3226,6 +3231,15 @@ static int fec_reset_phy(struct platform_device *pdev) gpio_set_value_cansleep(phy_reset, !active_high); + if (!phy_post_delay) + return 0; + + if (phy_post_delay > 20) + msleep(phy_post_delay); + else + usleep_range(phy_post_delay * 1000, + phy_post_delay * 1000 + 1000); + return 0; } #else /* CONFIG_OF */ diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index 5bdaf3d545b2..10d282841f5b 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -774,7 +774,7 @@ static void cb_timeout_handler(struct work_struct *work) mlx5_core_warn(dev, "%s(0x%x) timeout. Will cause a leak of a command resource\n", mlx5_command_str(msg_to_opcode(ent->in)), msg_to_opcode(ent->in)); - mlx5_cmd_comp_handler(dev, 1UL << ent->idx); + mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); } static void cmd_work_handler(struct work_struct *work) @@ -804,6 +804,7 @@ static void cmd_work_handler(struct work_struct *work) } cmd->ent_arr[ent->idx] = ent; + set_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, &ent->state); lay = get_inst(cmd, ent->idx); ent->lay = lay; memset(lay, 0, sizeof(*lay)); @@ -825,6 +826,20 @@ static void cmd_work_handler(struct work_struct *work) if (ent->callback) schedule_delayed_work(&ent->cb_timeout_work, cb_timeout); + /* Skip sending command to fw if internal error */ + if (pci_channel_offline(dev->pdev) || + dev->state == MLX5_DEVICE_STATE_INTERNAL_ERROR) { + u8 status = 0; + u32 drv_synd; + + ent->ret = mlx5_internal_err_ret_value(dev, msg_to_opcode(ent->in), &drv_synd, &status); + MLX5_SET(mbox_out, ent->out, status, status); + MLX5_SET(mbox_out, ent->out, syndrome, drv_synd); + + mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); + return; + } + /* ring doorbell after the descriptor is valid */ mlx5_core_dbg(dev, "writing 0x%x to command doorbell\n", 1 << ent->idx); wmb(); @@ -835,7 +850,7 @@ static void cmd_work_handler(struct work_struct *work) poll_timeout(ent); /* make sure we read the descriptor after ownership is SW */ rmb(); - mlx5_cmd_comp_handler(dev, 1UL << ent->idx); + mlx5_cmd_comp_handler(dev, 1UL << ent->idx, (ent->ret == -ETIMEDOUT)); } } @@ -879,7 +894,7 @@ static int wait_func(struct mlx5_core_dev *dev, struct mlx5_cmd_work_ent *ent) wait_for_completion(&ent->done); } else if (!wait_for_completion_timeout(&ent->done, timeout)) { ent->ret = -ETIMEDOUT; - mlx5_cmd_comp_handler(dev, 1UL << ent->idx); + mlx5_cmd_comp_handler(dev, 1UL << ent->idx, true); } err = ent->ret; @@ -1375,7 +1390,7 @@ static void free_msg(struct mlx5_core_dev *dev, struct mlx5_cmd_msg *msg) } } -void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec) +void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec, bool forced) { struct mlx5_cmd *cmd = &dev->cmd; struct mlx5_cmd_work_ent *ent; @@ -1395,6 +1410,19 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec) struct semaphore *sem; ent = cmd->ent_arr[i]; + + /* if we already completed the command, ignore it */ + if (!test_and_clear_bit(MLX5_CMD_ENT_STATE_PENDING_COMP, + &ent->state)) { + /* only real completion can free the cmd slot */ + if (!forced) { + mlx5_core_err(dev, "Command completion arrived after timeout (entry idx = %d).\n", + ent->idx); + free_ent(cmd, ent->idx); + } + continue; + } + if (ent->callback) cancel_delayed_work(&ent->cb_timeout_work); if (ent->page_queue) @@ -1417,7 +1445,10 @@ void mlx5_cmd_comp_handler(struct mlx5_core_dev *dev, u64 vec) mlx5_core_dbg(dev, "command completed. ret 0x%x, delivery status %s(0x%x)\n", ent->ret, deliv_status_to_str(ent->status), ent->status); } - free_ent(cmd, ent->idx); + + /* only real completion will free the entry slot */ + if (!forced) + free_ent(cmd, ent->idx); if (ent->callback) { ds = ent->ts2 - ent->ts1; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 7b1566f0ae58..66b5fec15313 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -1041,6 +1041,8 @@ void mlx5e_free_xdpsq_descs(struct mlx5e_xdpsq *sq) #define MLX5_IB_GRH_BYTES 40 #define MLX5_IPOIB_ENCAP_LEN 4 #define MLX5_GID_SIZE 16 +#define MLX5_IPOIB_PSEUDO_LEN 20 +#define MLX5_IPOIB_HARD_LEN (MLX5_IPOIB_PSEUDO_LEN + MLX5_IPOIB_ENCAP_LEN) static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, struct mlx5_cqe64 *cqe, @@ -1048,6 +1050,7 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, struct sk_buff *skb) { struct net_device *netdev = rq->netdev; + char *pseudo_header; u8 *dgid; u8 g; @@ -1076,8 +1079,11 @@ static inline void mlx5i_complete_rx_cqe(struct mlx5e_rq *rq, if (likely(netdev->features & NETIF_F_RXHASH)) mlx5e_skb_set_hash(cqe, skb); + /* 20 bytes of ipoib header and 4 for encap existing */ + pseudo_header = skb_push(skb, MLX5_IPOIB_PSEUDO_LEN); + memset(pseudo_header, 0, MLX5_IPOIB_PSEUDO_LEN); skb_reset_mac_header(skb); - skb_pull(skb, MLX5_IPOIB_ENCAP_LEN); + skb_pull(skb, MLX5_IPOIB_HARD_LEN); skb->dev = netdev; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 11c27e4fadf6..ec63158ab643 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -43,6 +43,7 @@ #include <net/tc_act/tc_vlan.h> #include <net/tc_act/tc_tunnel_key.h> #include <net/tc_act/tc_pedit.h> +#include <net/tc_act/tc_csum.h> #include <net/vxlan.h> #include <net/arp.h> #include "en.h" @@ -384,7 +385,7 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv, if (e->flags & MLX5_ENCAP_ENTRY_VALID) mlx5_encap_dealloc(priv->mdev, e->encap_id); - hlist_del_rcu(&e->encap_hlist); + hash_del_rcu(&e->encap_hlist); kfree(e->encap_header); kfree(e); } @@ -925,11 +926,11 @@ static int offload_pedit_fields(struct pedit_headers *masks, struct mlx5e_tc_flow_parse_attr *parse_attr) { struct pedit_headers *set_masks, *add_masks, *set_vals, *add_vals; - int i, action_size, nactions, max_actions, first, last; + int i, action_size, nactions, max_actions, first, last, first_z; void *s_masks_p, *a_masks_p, *vals_p; - u32 s_mask, a_mask, val; struct mlx5_fields *f; u8 cmd, field_bsize; + u32 s_mask, a_mask; unsigned long mask; void *action; @@ -946,7 +947,8 @@ static int offload_pedit_fields(struct pedit_headers *masks, for (i = 0; i < ARRAY_SIZE(fields); i++) { f = &fields[i]; /* avoid seeing bits set from previous iterations */ - s_mask = a_mask = mask = val = 0; + s_mask = 0; + a_mask = 0; s_masks_p = (void *)set_masks + f->offset; a_masks_p = (void *)add_masks + f->offset; @@ -981,12 +983,12 @@ static int offload_pedit_fields(struct pedit_headers *masks, memset(a_masks_p, 0, f->size); } - memcpy(&val, vals_p, f->size); - field_bsize = f->size * BITS_PER_BYTE; + + first_z = find_first_zero_bit(&mask, field_bsize); first = find_first_bit(&mask, field_bsize); last = find_last_bit(&mask, field_bsize); - if (first > 0 || last != (field_bsize - 1)) { + if (first > 0 || last != (field_bsize - 1) || first_z < last) { printk(KERN_WARNING "mlx5: partial rewrite (mask %lx) is currently not offloaded\n", mask); return -EOPNOTSUPP; @@ -1002,11 +1004,11 @@ static int offload_pedit_fields(struct pedit_headers *masks, } if (field_bsize == 32) - MLX5_SET(set_action_in, action, data, ntohl(val)); + MLX5_SET(set_action_in, action, data, ntohl(*(__be32 *)vals_p)); else if (field_bsize == 16) - MLX5_SET(set_action_in, action, data, ntohs(val)); + MLX5_SET(set_action_in, action, data, ntohs(*(__be16 *)vals_p)); else if (field_bsize == 8) - MLX5_SET(set_action_in, action, data, val); + MLX5_SET(set_action_in, action, data, *(u8 *)vals_p); action += action_size; nactions++; @@ -1109,6 +1111,28 @@ out_err: return err; } +static bool csum_offload_supported(struct mlx5e_priv *priv, u32 action, u32 update_flags) +{ + u32 prot_flags = TCA_CSUM_UPDATE_FLAG_IPV4HDR | TCA_CSUM_UPDATE_FLAG_TCP | + TCA_CSUM_UPDATE_FLAG_UDP; + + /* The HW recalcs checksums only if re-writing headers */ + if (!(action & MLX5_FLOW_CONTEXT_ACTION_MOD_HDR)) { + netdev_warn(priv->netdev, + "TC csum action is only offloaded with pedit\n"); + return false; + } + + if (update_flags & ~prot_flags) { + netdev_warn(priv->netdev, + "can't offload TC csum action for some header/s - flags %#x\n", + update_flags); + return false; + } + + return true; +} + static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, struct mlx5e_tc_flow_parse_attr *parse_attr, struct mlx5e_tc_flow *flow) @@ -1149,6 +1173,14 @@ static int parse_tc_nic_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, continue; } + if (is_tcf_csum(a)) { + if (csum_offload_supported(priv, attr->action, + tcf_csum_update_flags(a))) + continue; + + return -EOPNOTSUPP; + } + if (is_tcf_skbedit_mark(a)) { u32 mark = tcf_skbedit_mark(a); @@ -1651,6 +1683,14 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, continue; } + if (is_tcf_csum(a)) { + if (csum_offload_supported(priv, attr->action, + tcf_csum_update_flags(a))) + continue; + + return -EOPNOTSUPP; + } + if (is_tcf_mirred_egress_redirect(a)) { int ifindex = tcf_mirred_ifindex(a); struct net_device *out_dev, *encap_dev = NULL; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eq.c b/drivers/net/ethernet/mellanox/mlx5/core/eq.c index ea5d8d37a75c..33eae5ad2fb0 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eq.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eq.c @@ -422,7 +422,7 @@ static irqreturn_t mlx5_eq_int(int irq, void *eq_ptr) break; case MLX5_EVENT_TYPE_CMD: - mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector)); + mlx5_cmd_comp_handler(dev, be32_to_cpu(eqe->data.cmd.vector), false); break; case MLX5_EVENT_TYPE_PORT_CHANGE: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/health.c b/drivers/net/ethernet/mellanox/mlx5/core/health.c index d0515391d33b..44f59b1d6f0f 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/health.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/health.c @@ -90,7 +90,7 @@ static void trigger_cmd_completions(struct mlx5_core_dev *dev) spin_unlock_irqrestore(&dev->cmd.alloc_lock, flags); mlx5_core_dbg(dev, "vector 0x%llx\n", vector); - mlx5_cmd_comp_handler(dev, vector); + mlx5_cmd_comp_handler(dev, vector, true); return; no_trig: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index 0c123d571b4c..fe5546bb4153 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -612,7 +612,6 @@ static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) struct mlx5_priv *priv = &mdev->priv; struct msix_entry *msix = priv->msix_arr; int irq = msix[i + MLX5_EQ_VEC_COMP_BASE].vector; - int err; if (!zalloc_cpumask_var(&priv->irq_info[i].mask, GFP_KERNEL)) { mlx5_core_warn(mdev, "zalloc_cpumask_var failed"); @@ -622,18 +621,12 @@ static int mlx5_irq_set_affinity_hint(struct mlx5_core_dev *mdev, int i) cpumask_set_cpu(cpumask_local_spread(i, priv->numa_node), priv->irq_info[i].mask); - err = irq_set_affinity_hint(irq, priv->irq_info[i].mask); - if (err) { - mlx5_core_warn(mdev, "irq_set_affinity_hint failed,irq 0x%.4x", - irq); - goto err_clear_mask; - } +#ifdef CONFIG_SMP + if (irq_set_affinity_hint(irq, priv->irq_info[i].mask)) + mlx5_core_warn(mdev, "irq_set_affinity_hint failed, irq 0x%.4x", irq); +#endif return 0; - -err_clear_mask: - free_cpumask_var(priv->irq_info[i].mask); - return err; } static void mlx5_irq_clear_affinity_hint(struct mlx5_core_dev *mdev, int i) diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index dec5d563ab19..959fd12d2e67 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -1293,7 +1293,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) if (nla_put_u32(skb, IFLA_GENEVE_ID, vni)) goto nla_put_failure; - if (ip_tunnel_info_af(info) == AF_INET) { + if (rtnl_dereference(geneve->sock4)) { if (nla_put_in_addr(skb, IFLA_GENEVE_REMOTE, info->key.u.ipv4.dst)) goto nla_put_failure; @@ -1302,8 +1302,10 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) !!(info->key.tun_flags & TUNNEL_CSUM))) goto nla_put_failure; + } + #if IS_ENABLED(CONFIG_IPV6) - } else { + if (rtnl_dereference(geneve->sock6)) { if (nla_put_in6_addr(skb, IFLA_GENEVE_REMOTE6, &info->key.u.ipv6.dst)) goto nla_put_failure; @@ -1315,8 +1317,8 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) if (nla_put_u8(skb, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, !geneve->use_udp6_rx_checksums)) goto nla_put_failure; -#endif } +#endif if (nla_put_u8(skb, IFLA_GENEVE_TTL, info->key.ttl) || nla_put_u8(skb, IFLA_GENEVE_TOS, info->key.tos) || diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 4fea1b3dfbb4..7b652bb7ebe4 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -873,7 +873,7 @@ static struct gtp_dev *gtp_find_dev(struct net *src_net, struct nlattr *nla[]) /* Check if there's an existing gtpX device to configure */ dev = dev_get_by_index_rcu(net, nla_get_u32(nla[GTPA_LINK])); - if (dev->netdev_ops == >p_netdev_ops) + if (dev && dev->netdev_ops == >p_netdev_ops) gtp = netdev_priv(dev); put_net(net); diff --git a/drivers/net/phy/Kconfig b/drivers/net/phy/Kconfig index 60ffc9da6a28..c360dd6ead22 100644 --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig @@ -108,7 +108,7 @@ config MDIO_MOXART config MDIO_OCTEON tristate "Octeon and some ThunderX SOCs MDIO buses" depends on 64BIT - depends on HAS_IOMEM + depends on HAS_IOMEM && OF_MDIO select MDIO_CAVIUM help This module provides a driver for the Octeon and ThunderX MDIO diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index 272b051a0199..9097e42bec2e 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -255,34 +255,6 @@ static int marvell_config_aneg(struct phy_device *phydev) { int err; - /* The Marvell PHY has an errata which requires - * that certain registers get written in order - * to restart autonegotiation */ - err = phy_write(phydev, MII_BMCR, BMCR_RESET); - - if (err < 0) - return err; - - err = phy_write(phydev, 0x1d, 0x1f); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1e, 0x200c); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1d, 0x5); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1e, 0); - if (err < 0) - return err; - - err = phy_write(phydev, 0x1e, 0x100); - if (err < 0) - return err; - err = marvell_set_polarity(phydev, phydev->mdix_ctrl); if (err < 0) return err; @@ -316,6 +288,42 @@ static int marvell_config_aneg(struct phy_device *phydev) return 0; } +static int m88e1101_config_aneg(struct phy_device *phydev) +{ + int err; + + /* This Marvell PHY has an errata which requires + * that certain registers get written in order + * to restart autonegotiation + */ + err = phy_write(phydev, MII_BMCR, BMCR_RESET); + + if (err < 0) + return err; + + err = phy_write(phydev, 0x1d, 0x1f); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1e, 0x200c); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1d, 0x5); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1e, 0); + if (err < 0) + return err; + + err = phy_write(phydev, 0x1e, 0x100); + if (err < 0) + return err; + + return marvell_config_aneg(phydev); +} + static int m88e1111_config_aneg(struct phy_device *phydev) { int err; @@ -1892,7 +1900,7 @@ static struct phy_driver marvell_drivers[] = { .flags = PHY_HAS_INTERRUPT, .probe = marvell_probe, .config_init = &marvell_config_init, - .config_aneg = &marvell_config_aneg, + .config_aneg = &m88e1101_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &marvell_ack_interrupt, .config_intr = &marvell_config_intr, diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index f3ae88fdf332..8ab281b478f2 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -310,6 +310,26 @@ skip: return -ENODEV; } + return 0; + +bad_desc: + dev_info(&dev->udev->dev, "bad CDC descriptors\n"); + return -ENODEV; +} +EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); + + +/* like usbnet_generic_cdc_bind() but handles filter initialization + * correctly + */ +int usbnet_ether_cdc_bind(struct usbnet *dev, struct usb_interface *intf) +{ + int rv; + + rv = usbnet_generic_cdc_bind(dev, intf); + if (rv < 0) + goto bail_out; + /* Some devices don't initialise properly. In particular * the packet filter is not reset. There are devices that * don't do reset all the way. So the packet filter should @@ -317,13 +337,10 @@ skip: */ usbnet_cdc_update_filter(dev); - return 0; - -bad_desc: - dev_info(&dev->udev->dev, "bad CDC descriptors\n"); - return -ENODEV; +bail_out: + return rv; } -EXPORT_SYMBOL_GPL(usbnet_generic_cdc_bind); +EXPORT_SYMBOL_GPL(usbnet_ether_cdc_bind); void usbnet_cdc_unbind(struct usbnet *dev, struct usb_interface *intf) { @@ -417,7 +434,7 @@ int usbnet_cdc_bind(struct usbnet *dev, struct usb_interface *intf) BUILD_BUG_ON((sizeof(((struct usbnet *)0)->data) < sizeof(struct cdc_state))); - status = usbnet_generic_cdc_bind(dev, intf); + status = usbnet_ether_cdc_bind(dev, intf); if (status < 0) return status; diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c index 765400b62168..2dfca96a63b6 100644 --- a/drivers/net/usb/smsc95xx.c +++ b/drivers/net/usb/smsc95xx.c @@ -681,7 +681,7 @@ static int smsc95xx_set_features(struct net_device *netdev, if (ret < 0) return ret; - if (features & NETIF_F_HW_CSUM) + if (features & NETIF_F_IP_CSUM) read_buf |= Tx_COE_EN_; else read_buf &= ~Tx_COE_EN_; @@ -1279,12 +1279,19 @@ static int smsc95xx_bind(struct usbnet *dev, struct usb_interface *intf) spin_lock_init(&pdata->mac_cr_lock); + /* LAN95xx devices do not alter the computed checksum of 0 to 0xffff. + * RFC 2460, ipv6 UDP calculated checksum yields a result of zero must + * be changed to 0xffff. RFC 768, ipv4 UDP computed checksum is zero, + * it is transmitted as all ones. The zero transmitted checksum means + * transmitter generated no checksum. Hence, enable csum offload only + * for ipv4 packets. + */ if (DEFAULT_TX_CSUM_ENABLE) - dev->net->features |= NETIF_F_HW_CSUM; + dev->net->features |= NETIF_F_IP_CSUM; if (DEFAULT_RX_CSUM_ENABLE) dev->net->features |= NETIF_F_RXCSUM; - dev->net->hw_features = NETIF_F_HW_CSUM | NETIF_F_RXCSUM; + dev->net->hw_features = NETIF_F_IP_CSUM | NETIF_F_RXCSUM; smsc95xx_init_mac_address(dev); diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 9320d96a1632..3e9246cc49c3 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -1989,6 +1989,7 @@ static const struct net_device_ops virtnet_netdev = { .ndo_poll_controller = virtnet_netpoll, #endif .ndo_xdp = virtnet_xdp, + .ndo_features_check = passthru_features_check, }; static void virtnet_config_changed_work(struct work_struct *work) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index d5e0906262ea..a60926410438 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -925,6 +925,29 @@ static int nvme_getgeo(struct block_device *bdev, struct hd_geometry *geo) } #ifdef CONFIG_BLK_DEV_INTEGRITY +static void nvme_prep_integrity(struct gendisk *disk, struct nvme_id_ns *id, + u16 bs) +{ + struct nvme_ns *ns = disk->private_data; + u16 old_ms = ns->ms; + u8 pi_type = 0; + + ns->ms = le16_to_cpu(id->lbaf[id->flbas & NVME_NS_FLBAS_LBA_MASK].ms); + ns->ext = ns->ms && (id->flbas & NVME_NS_FLBAS_META_EXT); + + /* PI implementation requires metadata equal t10 pi tuple size */ + if (ns->ms == sizeof(struct t10_pi_tuple)) + pi_type = id->dps & NVME_NS_DPS_PI_MASK; + + if (blk_get_integrity(disk) && + (ns->pi_type != pi_type || ns->ms != old_ms || + bs != queue_logical_block_size(disk->queue) || + (ns->ms && ns->ext))) + blk_integrity_unregister(disk); + + ns->pi_type = pi_type; +} + static void nvme_init_integrity(struct nvme_ns *ns) { struct blk_integrity integrity; @@ -951,6 +974,10 @@ static void nvme_init_integrity(struct nvme_ns *ns) blk_queue_max_integrity_segments(ns->queue, 1); } #else +static void nvme_prep_integrity(struct gendisk *disk, struct nvme_id_ns *id, + u16 bs) +{ +} static void nvme_init_integrity(struct nvme_ns *ns) { } @@ -997,37 +1024,22 @@ static int nvme_revalidate_ns(struct nvme_ns *ns, struct nvme_id_ns **id) static void __nvme_revalidate_disk(struct gendisk *disk, struct nvme_id_ns *id) { struct nvme_ns *ns = disk->private_data; - u8 lbaf, pi_type; - u16 old_ms; - unsigned short bs; - - old_ms = ns->ms; - lbaf = id->flbas & NVME_NS_FLBAS_LBA_MASK; - ns->lba_shift = id->lbaf[lbaf].ds; - ns->ms = le16_to_cpu(id->lbaf[lbaf].ms); - ns->ext = ns->ms && (id->flbas & NVME_NS_FLBAS_META_EXT); + u16 bs; /* * If identify namespace failed, use default 512 byte block size so * block layer can use before failing read/write for 0 capacity. */ + ns->lba_shift = id->lbaf[id->flbas & NVME_NS_FLBAS_LBA_MASK].ds; if (ns->lba_shift == 0) ns->lba_shift = 9; bs = 1 << ns->lba_shift; - /* XXX: PI implementation requires metadata equal t10 pi tuple size */ - pi_type = ns->ms == sizeof(struct t10_pi_tuple) ? - id->dps & NVME_NS_DPS_PI_MASK : 0; blk_mq_freeze_queue(disk->queue); - if (blk_get_integrity(disk) && (ns->pi_type != pi_type || - ns->ms != old_ms || - bs != queue_logical_block_size(disk->queue) || - (ns->ms && ns->ext))) - blk_integrity_unregister(disk); - ns->pi_type = pi_type; + if (ns->ctrl->ops->flags & NVME_F_METADATA_SUPPORTED) + nvme_prep_integrity(disk, id, bs); blk_queue_logical_block_size(ns->queue, bs); - if (ns->ms && !blk_get_integrity(disk) && !ns->ext) nvme_init_integrity(ns); if (ns->ms && !(ns->ms == 8 && ns->pi_type) && !blk_get_integrity(disk)) @@ -1605,7 +1617,7 @@ int nvme_init_identify(struct nvme_ctrl *ctrl) } memcpy(ctrl->psd, id->psd, sizeof(ctrl->psd)); - if (ctrl->ops->is_fabrics) { + if (ctrl->ops->flags & NVME_F_FABRICS) { ctrl->icdoff = le16_to_cpu(id->icdoff); ctrl->ioccsz = le32_to_cpu(id->ioccsz); ctrl->iorcsz = le32_to_cpu(id->iorcsz); @@ -2098,7 +2110,6 @@ static void nvme_ns_remove(struct nvme_ns *ns) if (ns->ndev) nvme_nvm_unregister_sysfs(ns); del_gendisk(ns->disk); - blk_mq_abort_requeue_list(ns->queue); blk_cleanup_queue(ns->queue); } @@ -2436,8 +2447,16 @@ void nvme_kill_queues(struct nvme_ctrl *ctrl) continue; revalidate_disk(ns->disk); blk_set_queue_dying(ns->queue); - blk_mq_abort_requeue_list(ns->queue); - blk_mq_start_stopped_hw_queues(ns->queue, true); + + /* + * Forcibly start all queues to avoid having stuck requests. + * Note that we must ensure the queues are not stopped + * when the final removal happens. + */ + blk_mq_start_hw_queues(ns->queue); + + /* draining requests in requeue list */ + blk_mq_kick_requeue_list(ns->queue); } mutex_unlock(&ctrl->namespaces_mutex); } diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index dca7165fabcf..5b14cbefb724 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -45,8 +45,6 @@ enum nvme_fc_queue_flags { #define NVMEFC_QUEUE_DELAY 3 /* ms units */ -#define NVME_FC_MAX_CONNECT_ATTEMPTS 1 - struct nvme_fc_queue { struct nvme_fc_ctrl *ctrl; struct device *dev; @@ -165,8 +163,6 @@ struct nvme_fc_ctrl { struct work_struct delete_work; struct work_struct reset_work; struct delayed_work connect_work; - int reconnect_delay; - int connect_attempts; struct kref ref; u32 flags; @@ -1376,9 +1372,9 @@ done: complete_rq = __nvme_fc_fcpop_chk_teardowns(ctrl, op); if (!complete_rq) { if (unlikely(op->flags & FCOP_FLAGS_TERMIO)) { - status = cpu_to_le16(NVME_SC_ABORT_REQ); + status = cpu_to_le16(NVME_SC_ABORT_REQ << 1); if (blk_queue_dying(rq->q)) - status |= cpu_to_le16(NVME_SC_DNR); + status |= cpu_to_le16(NVME_SC_DNR << 1); } nvme_end_request(rq, status, result); } else @@ -1751,7 +1747,7 @@ nvme_fc_error_recovery(struct nvme_fc_ctrl *ctrl, char *errmsg) dev_warn(ctrl->ctrl.device, "NVME-FC{%d}: transport association error detected: %s\n", ctrl->cnum, errmsg); - dev_info(ctrl->ctrl.device, + dev_warn(ctrl->ctrl.device, "NVME-FC{%d}: resetting controller\n", ctrl->cnum); /* stop the queues on error, cleanup is in reset thread */ @@ -2195,9 +2191,6 @@ nvme_fc_create_io_queues(struct nvme_fc_ctrl *ctrl) if (!opts->nr_io_queues) return 0; - dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", - opts->nr_io_queues); - nvme_fc_init_io_queues(ctrl); memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); @@ -2268,9 +2261,6 @@ nvme_fc_reinit_io_queues(struct nvme_fc_ctrl *ctrl) if (ctrl->queue_count == 1) return 0; - dev_info(ctrl->ctrl.device, "Recreating %d I/O queues.\n", - opts->nr_io_queues); - nvme_fc_init_io_queues(ctrl); ret = blk_mq_reinit_tagset(&ctrl->tag_set); @@ -2306,7 +2296,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) int ret; bool changed; - ctrl->connect_attempts++; + ++ctrl->ctrl.opts->nr_reconnects; /* * Create the admin queue @@ -2403,9 +2393,7 @@ nvme_fc_create_association(struct nvme_fc_ctrl *ctrl) changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); WARN_ON_ONCE(!changed); - ctrl->connect_attempts = 0; - - kref_get(&ctrl->ctrl.kref); + ctrl->ctrl.opts->nr_reconnects = 0; if (ctrl->queue_count > 1) { nvme_start_queues(&ctrl->ctrl); @@ -2536,26 +2524,32 @@ nvme_fc_delete_ctrl_work(struct work_struct *work) /* * tear down the controller - * This will result in the last reference on the nvme ctrl to - * expire, calling the transport nvme_fc_nvme_ctrl_freed() callback. - * From there, the transport will tear down it's logical queues and - * association. + * After the last reference on the nvme ctrl is removed, + * the transport nvme_fc_nvme_ctrl_freed() callback will be + * invoked. From there, the transport will tear down it's + * logical queues and association. */ nvme_uninit_ctrl(&ctrl->ctrl); nvme_put_ctrl(&ctrl->ctrl); } -static int -__nvme_fc_del_ctrl(struct nvme_fc_ctrl *ctrl) +static bool +__nvme_fc_schedule_delete_work(struct nvme_fc_ctrl *ctrl) { if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_DELETING)) - return -EBUSY; + return true; if (!queue_work(nvme_fc_wq, &ctrl->delete_work)) - return -EBUSY; + return true; - return 0; + return false; +} + +static int +__nvme_fc_del_ctrl(struct nvme_fc_ctrl *ctrl) +{ + return __nvme_fc_schedule_delete_work(ctrl) ? -EBUSY : 0; } /* @@ -2581,6 +2575,35 @@ nvme_fc_del_nvme_ctrl(struct nvme_ctrl *nctrl) } static void +nvme_fc_reconnect_or_delete(struct nvme_fc_ctrl *ctrl, int status) +{ + /* If we are resetting/deleting then do nothing */ + if (ctrl->ctrl.state != NVME_CTRL_RECONNECTING) { + WARN_ON_ONCE(ctrl->ctrl.state == NVME_CTRL_NEW || + ctrl->ctrl.state == NVME_CTRL_LIVE); + return; + } + + dev_info(ctrl->ctrl.device, + "NVME-FC{%d}: reset: Reconnect attempt failed (%d)\n", + ctrl->cnum, status); + + if (nvmf_should_reconnect(&ctrl->ctrl)) { + dev_info(ctrl->ctrl.device, + "NVME-FC{%d}: Reconnect attempt in %d seconds.\n", + ctrl->cnum, ctrl->ctrl.opts->reconnect_delay); + queue_delayed_work(nvme_fc_wq, &ctrl->connect_work, + ctrl->ctrl.opts->reconnect_delay * HZ); + } else { + dev_warn(ctrl->ctrl.device, + "NVME-FC{%d}: Max reconnect attempts (%d) " + "reached. Removing controller\n", + ctrl->cnum, ctrl->ctrl.opts->nr_reconnects); + WARN_ON(__nvme_fc_schedule_delete_work(ctrl)); + } +} + +static void nvme_fc_reset_ctrl_work(struct work_struct *work) { struct nvme_fc_ctrl *ctrl = @@ -2591,34 +2614,9 @@ nvme_fc_reset_ctrl_work(struct work_struct *work) nvme_fc_delete_association(ctrl); ret = nvme_fc_create_association(ctrl); - if (ret) { - dev_warn(ctrl->ctrl.device, - "NVME-FC{%d}: reset: Reconnect attempt failed (%d)\n", - ctrl->cnum, ret); - if (ctrl->connect_attempts >= NVME_FC_MAX_CONNECT_ATTEMPTS) { - dev_warn(ctrl->ctrl.device, - "NVME-FC{%d}: Max reconnect attempts (%d) " - "reached. Removing controller\n", - ctrl->cnum, ctrl->connect_attempts); - - if (!nvme_change_ctrl_state(&ctrl->ctrl, - NVME_CTRL_DELETING)) { - dev_err(ctrl->ctrl.device, - "NVME-FC{%d}: failed to change state " - "to DELETING\n", ctrl->cnum); - return; - } - - WARN_ON(!queue_work(nvme_fc_wq, &ctrl->delete_work)); - return; - } - - dev_warn(ctrl->ctrl.device, - "NVME-FC{%d}: Reconnect attempt in %d seconds.\n", - ctrl->cnum, ctrl->reconnect_delay); - queue_delayed_work(nvme_fc_wq, &ctrl->connect_work, - ctrl->reconnect_delay * HZ); - } else + if (ret) + nvme_fc_reconnect_or_delete(ctrl, ret); + else dev_info(ctrl->ctrl.device, "NVME-FC{%d}: controller reset complete\n", ctrl->cnum); } @@ -2632,7 +2630,7 @@ nvme_fc_reset_nvme_ctrl(struct nvme_ctrl *nctrl) { struct nvme_fc_ctrl *ctrl = to_fc_ctrl(nctrl); - dev_warn(ctrl->ctrl.device, + dev_info(ctrl->ctrl.device, "NVME-FC{%d}: admin requested controller reset\n", ctrl->cnum); if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_RESETTING)) @@ -2649,7 +2647,7 @@ nvme_fc_reset_nvme_ctrl(struct nvme_ctrl *nctrl) static const struct nvme_ctrl_ops nvme_fc_ctrl_ops = { .name = "fc", .module = THIS_MODULE, - .is_fabrics = true, + .flags = NVME_F_FABRICS, .reg_read32 = nvmf_reg_read32, .reg_read64 = nvmf_reg_read64, .reg_write32 = nvmf_reg_write32, @@ -2671,34 +2669,9 @@ nvme_fc_connect_ctrl_work(struct work_struct *work) struct nvme_fc_ctrl, connect_work); ret = nvme_fc_create_association(ctrl); - if (ret) { - dev_warn(ctrl->ctrl.device, - "NVME-FC{%d}: Reconnect attempt failed (%d)\n", - ctrl->cnum, ret); - if (ctrl->connect_attempts >= NVME_FC_MAX_CONNECT_ATTEMPTS) { - dev_warn(ctrl->ctrl.device, - "NVME-FC{%d}: Max reconnect attempts (%d) " - "reached. Removing controller\n", - ctrl->cnum, ctrl->connect_attempts); - - if (!nvme_change_ctrl_state(&ctrl->ctrl, - NVME_CTRL_DELETING)) { - dev_err(ctrl->ctrl.device, - "NVME-FC{%d}: failed to change state " - "to DELETING\n", ctrl->cnum); - return; - } - - WARN_ON(!queue_work(nvme_fc_wq, &ctrl->delete_work)); - return; - } - - dev_warn(ctrl->ctrl.device, - "NVME-FC{%d}: Reconnect attempt in %d seconds.\n", - ctrl->cnum, ctrl->reconnect_delay); - queue_delayed_work(nvme_fc_wq, &ctrl->connect_work, - ctrl->reconnect_delay * HZ); - } else + if (ret) + nvme_fc_reconnect_or_delete(ctrl, ret); + else dev_info(ctrl->ctrl.device, "NVME-FC{%d}: controller reconnect complete\n", ctrl->cnum); @@ -2755,7 +2728,6 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, INIT_WORK(&ctrl->delete_work, nvme_fc_delete_ctrl_work); INIT_WORK(&ctrl->reset_work, nvme_fc_reset_ctrl_work); INIT_DELAYED_WORK(&ctrl->connect_work, nvme_fc_connect_ctrl_work); - ctrl->reconnect_delay = opts->reconnect_delay; spin_lock_init(&ctrl->lock); /* io queue count */ @@ -2819,7 +2791,6 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, ctrl->ctrl.opts = NULL; /* initiate nvme ctrl ref counting teardown */ nvme_uninit_ctrl(&ctrl->ctrl); - nvme_put_ctrl(&ctrl->ctrl); /* as we're past the point where we transition to the ref * counting teardown path, if we return a bad pointer here, @@ -2835,6 +2806,8 @@ nvme_fc_init_ctrl(struct device *dev, struct nvmf_ctrl_options *opts, return ERR_PTR(ret); } + kref_get(&ctrl->ctrl.kref); + dev_info(ctrl->ctrl.device, "NVME-FC{%d}: new ctrl: NQN \"%s\"\n", ctrl->cnum, ctrl->ctrl.opts->subsysnqn); @@ -2971,7 +2944,7 @@ nvme_fc_create_ctrl(struct device *dev, struct nvmf_ctrl_options *opts) static struct nvmf_transport_ops nvme_fc_transport = { .name = "fc", .required_opts = NVMF_OPT_TRADDR | NVMF_OPT_HOST_TRADDR, - .allowed_opts = NVMF_OPT_RECONNECT_DELAY, + .allowed_opts = NVMF_OPT_RECONNECT_DELAY | NVMF_OPT_CTRL_LOSS_TMO, .create_ctrl = nvme_fc_create_ctrl, }; diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 29c708ca9621..9d6a070d4391 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -208,7 +208,9 @@ struct nvme_ns { struct nvme_ctrl_ops { const char *name; struct module *module; - bool is_fabrics; + unsigned int flags; +#define NVME_F_FABRICS (1 << 0) +#define NVME_F_METADATA_SUPPORTED (1 << 1) int (*reg_read32)(struct nvme_ctrl *ctrl, u32 off, u32 *val); int (*reg_write32)(struct nvme_ctrl *ctrl, u32 off, u32 val); int (*reg_read64)(struct nvme_ctrl *ctrl, u32 off, u64 *val); diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c index 4c2ff2bb26bc..d52701df7245 100644 --- a/drivers/nvme/host/pci.c +++ b/drivers/nvme/host/pci.c @@ -263,7 +263,7 @@ static void nvme_dbbuf_set(struct nvme_dev *dev) c.dbbuf.prp2 = cpu_to_le64(dev->dbbuf_eis_dma_addr); if (nvme_submit_sync_cmd(dev->ctrl.admin_q, &c, NULL, 0)) { - dev_warn(dev->dev, "unable to set dbbuf\n"); + dev_warn(dev->ctrl.device, "unable to set dbbuf\n"); /* Free memory and continue on */ nvme_dbbuf_dma_free(dev); } @@ -1394,11 +1394,11 @@ static void nvme_warn_reset(struct nvme_dev *dev, u32 csts) result = pci_read_config_word(to_pci_dev(dev->dev), PCI_STATUS, &pci_status); if (result == PCIBIOS_SUCCESSFUL) - dev_warn(dev->dev, + dev_warn(dev->ctrl.device, "controller is down; will reset: CSTS=0x%x, PCI_STATUS=0x%hx\n", csts, pci_status); else - dev_warn(dev->dev, + dev_warn(dev->ctrl.device, "controller is down; will reset: CSTS=0x%x, PCI_STATUS read failed (%d)\n", csts, result); } @@ -1740,8 +1740,8 @@ static int nvme_pci_enable(struct nvme_dev *dev) */ if (pdev->vendor == PCI_VENDOR_ID_APPLE && pdev->device == 0x2001) { dev->q_depth = 2; - dev_warn(dev->dev, "detected Apple NVMe controller, set " - "queue depth=%u to work around controller resets\n", + dev_warn(dev->ctrl.device, "detected Apple NVMe controller, " + "set queue depth=%u to work around controller resets\n", dev->q_depth); } @@ -1759,7 +1759,7 @@ static int nvme_pci_enable(struct nvme_dev *dev) if (dev->cmbsz) { if (sysfs_add_file_to_group(&dev->ctrl.device->kobj, &dev_attr_cmb.attr, NULL)) - dev_warn(dev->dev, + dev_warn(dev->ctrl.device, "failed to add sysfs attribute for CMB\n"); } } @@ -2047,6 +2047,7 @@ static int nvme_pci_reset_ctrl(struct nvme_ctrl *ctrl) static const struct nvme_ctrl_ops nvme_pci_ctrl_ops = { .name = "pcie", .module = THIS_MODULE, + .flags = NVME_F_METADATA_SUPPORTED, .reg_read32 = nvme_pci_reg_read32, .reg_write32 = nvme_pci_reg_write32, .reg_read64 = nvme_pci_reg_read64, @@ -2293,6 +2294,8 @@ static const struct pci_device_id nvme_id_table[] = { { PCI_VDEVICE(INTEL, 0x0a54), .driver_data = NVME_QUIRK_STRIPE_SIZE | NVME_QUIRK_DEALLOCATE_ZEROES, }, + { PCI_VDEVICE(INTEL, 0xf1a5), /* Intel 600P/P3100 */ + .driver_data = NVME_QUIRK_NO_DEEPEST_PS }, { PCI_VDEVICE(INTEL, 0x5845), /* Qemu emulated controller */ .driver_data = NVME_QUIRK_IDENTIFY_CNS, }, { PCI_DEVICE(0x1c58, 0x0003), /* HGST adapter */ diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index dd1c6deef82f..28bd255c144d 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -1038,6 +1038,19 @@ static void nvme_rdma_send_done(struct ib_cq *cq, struct ib_wc *wc) nvme_rdma_wr_error(cq, wc, "SEND"); } +static inline int nvme_rdma_queue_sig_limit(struct nvme_rdma_queue *queue) +{ + int sig_limit; + + /* + * We signal completion every queue depth/2 and also handle the + * degenerated case of a device with queue_depth=1, where we + * would need to signal every message. + */ + sig_limit = max(queue->queue_size / 2, 1); + return (++queue->sig_count % sig_limit) == 0; +} + static int nvme_rdma_post_send(struct nvme_rdma_queue *queue, struct nvme_rdma_qe *qe, struct ib_sge *sge, u32 num_sge, struct ib_send_wr *first, bool flush) @@ -1065,9 +1078,6 @@ static int nvme_rdma_post_send(struct nvme_rdma_queue *queue, * Would have been way to obvious to handle this in hardware or * at least the RDMA stack.. * - * This messy and racy code sniplet is copy and pasted from the iSER - * initiator, and the magic '32' comes from there as well. - * * Always signal the flushes. The magic request used for the flush * sequencer is not allocated in our driver's tagset and it's * triggered to be freed by blk_cleanup_queue(). So we need to @@ -1075,7 +1085,7 @@ static int nvme_rdma_post_send(struct nvme_rdma_queue *queue, * embedded in request's payload, is not freed when __ib_process_cq() * calls wr_cqe->done(). */ - if ((++queue->sig_count % 32) == 0 || flush) + if (nvme_rdma_queue_sig_limit(queue) || flush) wr.send_flags |= IB_SEND_SIGNALED; if (first) @@ -1782,7 +1792,7 @@ static int nvme_rdma_reset_ctrl(struct nvme_ctrl *nctrl) static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = { .name = "rdma", .module = THIS_MODULE, - .is_fabrics = true, + .flags = NVME_F_FABRICS, .reg_read32 = nvmf_reg_read32, .reg_read64 = nvmf_reg_read64, .reg_write32 = nvmf_reg_write32, diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index feb497134aee..e503cfff0337 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -558,7 +558,7 @@ static int nvme_loop_reset_ctrl(struct nvme_ctrl *nctrl) static const struct nvme_ctrl_ops nvme_loop_ctrl_ops = { .name = "loop", .module = THIS_MODULE, - .is_fabrics = true, + .flags = NVME_F_FABRICS, .reg_read32 = nvmf_reg_read32, .reg_read64 = nvmf_reg_read64, .reg_write32 = nvmf_reg_write32, diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 71fecc2debfc..703a42118ffc 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -523,7 +523,7 @@ static int __init of_platform_default_populate_init(void) arch_initcall_sync(of_platform_default_populate_init); #endif -static int of_platform_device_destroy(struct device *dev, void *data) +int of_platform_device_destroy(struct device *dev, void *data) { /* Do not touch devices not populated from the device tree */ if (!dev->of_node || !of_node_check_flag(dev->of_node, OF_POPULATED)) @@ -544,6 +544,7 @@ static int of_platform_device_destroy(struct device *dev, void *data) of_node_clear_flag(dev->of_node, OF_POPULATED_BUS); return 0; } +EXPORT_SYMBOL_GPL(of_platform_device_destroy); /** * of_platform_depopulate() - Remove devices populated from device tree diff --git a/drivers/pci/dwc/pci-imx6.c b/drivers/pci/dwc/pci-imx6.c index a98cba55c7f0..19a289b8cc94 100644 --- a/drivers/pci/dwc/pci-imx6.c +++ b/drivers/pci/dwc/pci-imx6.c @@ -252,7 +252,34 @@ static void imx6_pcie_reset_phy(struct imx6_pcie *imx6_pcie) static int imx6q_pcie_abort_handler(unsigned long addr, unsigned int fsr, struct pt_regs *regs) { - return 0; + unsigned long pc = instruction_pointer(regs); + unsigned long instr = *(unsigned long *)pc; + int reg = (instr >> 12) & 15; + + /* + * If the instruction being executed was a read, + * make it look like it read all-ones. + */ + if ((instr & 0x0c100000) == 0x04100000) { + unsigned long val; + + if (instr & 0x00400000) + val = 255; + else + val = -1; + + regs->uregs[reg] = val; + regs->ARM_pc += 4; + return 0; + } + + if ((instr & 0x0e100090) == 0x00100090) { + regs->uregs[reg] = -1; + regs->ARM_pc += 4; + return 0; + } + + return 1; } static void imx6_pcie_assert_core_reset(struct imx6_pcie *imx6_pcie) @@ -819,8 +846,8 @@ static int __init imx6_pcie_init(void) * we can install the handler here without risking it * accessing some uninitialized driver state. */ - hook_fault_code(16 + 6, imx6q_pcie_abort_handler, SIGBUS, 0, - "imprecise external abort"); + hook_fault_code(8, imx6q_pcie_abort_handler, SIGBUS, 0, + "external abort on non-linefetch"); return platform_driver_register(&imx6_pcie_driver); } diff --git a/drivers/pci/endpoint/Kconfig b/drivers/pci/endpoint/Kconfig index c23f146fb5a6..c09623ca8c3b 100644 --- a/drivers/pci/endpoint/Kconfig +++ b/drivers/pci/endpoint/Kconfig @@ -6,6 +6,7 @@ menu "PCI Endpoint" config PCI_ENDPOINT bool "PCI Endpoint Support" + depends on HAS_DMA help Enable this configuration option to support configurable PCI endpoint. This should be enabled if the platform has a PCI diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index b01bd5bba8e6..563901cd9c06 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -2144,7 +2144,8 @@ bool pci_dev_keep_suspended(struct pci_dev *pci_dev) if (!pm_runtime_suspended(dev) || pci_target_state(pci_dev) != pci_dev->current_state - || platform_pci_need_resume(pci_dev)) + || platform_pci_need_resume(pci_dev) + || (pci_dev->dev_flags & PCI_DEV_FLAGS_NEEDS_RESUME)) return false; /* diff --git a/drivers/pci/switch/switchtec.c b/drivers/pci/switch/switchtec.c index cc6e085008fb..f6a63406c76e 100644 --- a/drivers/pci/switch/switchtec.c +++ b/drivers/pci/switch/switchtec.c @@ -1291,7 +1291,6 @@ static struct switchtec_dev *stdev_create(struct pci_dev *pdev) cdev = &stdev->cdev; cdev_init(cdev, &switchtec_fops); cdev->owner = THIS_MODULE; - cdev->kobj.parent = &dev->kobj; return stdev; @@ -1442,12 +1441,15 @@ static int switchtec_init_pci(struct switchtec_dev *stdev, stdev->mmio_sys_info = stdev->mmio + SWITCHTEC_GAS_SYS_INFO_OFFSET; stdev->mmio_flash_info = stdev->mmio + SWITCHTEC_GAS_FLASH_INFO_OFFSET; stdev->mmio_ntb = stdev->mmio + SWITCHTEC_GAS_NTB_OFFSET; - stdev->partition = ioread8(&stdev->mmio_ntb->partition_id); + stdev->partition = ioread8(&stdev->mmio_sys_info->partition_id); stdev->partition_count = ioread8(&stdev->mmio_ntb->partition_count); stdev->mmio_part_cfg_all = stdev->mmio + SWITCHTEC_GAS_PART_CFG_OFFSET; stdev->mmio_part_cfg = &stdev->mmio_part_cfg_all[stdev->partition]; stdev->mmio_pff_csr = stdev->mmio + SWITCHTEC_GAS_PFF_CSR_OFFSET; + if (stdev->partition_count < 1) + stdev->partition_count = 1; + init_pff(stdev); pci_set_drvdata(pdev, stdev); @@ -1479,11 +1481,7 @@ static int switchtec_pci_probe(struct pci_dev *pdev, SWITCHTEC_EVENT_EN_IRQ, &stdev->mmio_part_cfg->mrpc_comp_hdr); - rc = cdev_add(&stdev->cdev, stdev->dev.devt, 1); - if (rc) - goto err_put; - - rc = device_add(&stdev->dev); + rc = cdev_device_add(&stdev->cdev, &stdev->dev); if (rc) goto err_devadd; @@ -1492,7 +1490,6 @@ static int switchtec_pci_probe(struct pci_dev *pdev, return 0; err_devadd: - cdev_del(&stdev->cdev); stdev_kill(stdev); err_put: ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt)); @@ -1506,8 +1503,7 @@ static void switchtec_pci_remove(struct pci_dev *pdev) pci_set_drvdata(pdev, NULL); - device_del(&stdev->dev); - cdev_del(&stdev->cdev); + cdev_device_del(&stdev->cdev, &stdev->dev); ida_simple_remove(&switchtec_minor_ida, MINOR(stdev->dev.devt)); dev_info(&stdev->dev, "unregistered.\n"); diff --git a/drivers/powercap/powercap_sys.c b/drivers/powercap/powercap_sys.c index 14bde0db8c24..5b10b50f8686 100644 --- a/drivers/powercap/powercap_sys.c +++ b/drivers/powercap/powercap_sys.c @@ -538,6 +538,7 @@ struct powercap_zone *powercap_register_zone( power_zone->id = result; idr_init(&power_zone->idr); + result = -ENOMEM; power_zone->name = kstrdup(name, GFP_KERNEL); if (!power_zone->name) goto err_name_alloc; diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index b3de973a6260..9dca53df3584 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c @@ -1088,7 +1088,7 @@ static u32 rtc_handler(void *context) } spin_unlock_irqrestore(&rtc_lock, flags); - pm_wakeup_event(dev, 0); + pm_wakeup_hard_event(dev); acpi_clear_event(ACPI_EVENT_RTC); acpi_disable_event(ACPI_EVENT_RTC, 0); return ACPI_INTERRUPT_HANDLED; diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 622bdabc8894..dab195f04da7 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -1769,7 +1769,6 @@ csio_hw_use_fwconfig(struct csio_hw *hw, int reset, u32 *fw_cfg_param) goto bye; } - mempool_free(mbp, hw->mb_mempool); if (finicsum != cfcsum) { csio_warn(hw, "Config File checksum mismatch: csum=%#x, computed=%#x\n", @@ -1780,6 +1779,10 @@ csio_hw_use_fwconfig(struct csio_hw *hw, int reset, u32 *fw_cfg_param) rv = csio_hw_validate_caps(hw, mbp); if (rv != 0) goto bye; + + mempool_free(mbp, hw->mb_mempool); + mbp = NULL; + /* * Note that we're operating with parameters * not supplied by the driver, rather than from hard-wired diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index b44c3136eb51..520325867e2b 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -1422,7 +1422,7 @@ static void fc_rport_recv_rtv_req(struct fc_rport_priv *rdata, fp = fc_frame_alloc(lport, sizeof(*rtv)); if (!fp) { rjt_data.reason = ELS_RJT_UNAB; - rjt_data.reason = ELS_EXPL_INSUF_RES; + rjt_data.explan = ELS_EXPL_INSUF_RES; fc_seq_els_rsp_send(in_fp, ELS_LS_RJT, &rjt_data); goto drop; } diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 6d7840b096e6..f2c0ba6ced78 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -141,6 +141,13 @@ struct lpfc_dmabuf { uint32_t buffer_tag; /* used for tagged queue ring */ }; +struct lpfc_nvmet_ctxbuf { + struct list_head list; + struct lpfc_nvmet_rcv_ctx *context; + struct lpfc_iocbq *iocbq; + struct lpfc_sglq *sglq; +}; + struct lpfc_dma_pool { struct lpfc_dmabuf *elements; uint32_t max_count; @@ -163,9 +170,7 @@ struct rqb_dmabuf { struct lpfc_dmabuf dbuf; uint16_t total_size; uint16_t bytes_recv; - void *context; - struct lpfc_iocbq *iocbq; - struct lpfc_sglq *sglq; + uint16_t idx; struct lpfc_queue *hrq; /* ptr to associated Header RQ */ struct lpfc_queue *drq; /* ptr to associated Data RQ */ }; @@ -670,6 +675,8 @@ struct lpfc_hba { /* INIT_LINK mailbox command */ #define LS_NPIV_FAB_SUPPORTED 0x2 /* Fabric supports NPIV */ #define LS_IGNORE_ERATT 0x4 /* intr handler should ignore ERATT */ +#define LS_MDS_LINK_DOWN 0x8 /* MDS Diagnostics Link Down */ +#define LS_MDS_LOOPBACK 0x16 /* MDS Diagnostics Link Up (Loopback) */ uint32_t hba_flag; /* hba generic flags */ #define HBA_ERATT_HANDLED 0x1 /* This flag is set when eratt handled */ @@ -777,7 +784,6 @@ struct lpfc_hba { uint32_t cfg_nvme_oas; uint32_t cfg_nvme_io_channel; uint32_t cfg_nvmet_mrq; - uint32_t cfg_nvmet_mrq_post; uint32_t cfg_enable_nvmet; uint32_t cfg_nvme_enable_fb; uint32_t cfg_nvmet_fb_size; @@ -943,6 +949,7 @@ struct lpfc_hba { struct pci_pool *lpfc_mbuf_pool; struct pci_pool *lpfc_hrb_pool; /* header receive buffer pool */ struct pci_pool *lpfc_drb_pool; /* data receive buffer pool */ + struct pci_pool *lpfc_nvmet_drb_pool; /* data receive buffer pool */ struct pci_pool *lpfc_hbq_pool; /* SLI3 hbq buffer pool */ struct pci_pool *txrdy_payload_pool; struct lpfc_dma_pool lpfc_mbuf_safety_pool; @@ -1228,7 +1235,11 @@ lpfc_sli_read_hs(struct lpfc_hba *phba) static inline struct lpfc_sli_ring * lpfc_phba_elsring(struct lpfc_hba *phba) { - if (phba->sli_rev == LPFC_SLI_REV4) - return phba->sli4_hba.els_wq->pring; + if (phba->sli_rev == LPFC_SLI_REV4) { + if (phba->sli4_hba.els_wq) + return phba->sli4_hba.els_wq->pring; + else + return NULL; + } return &phba->sli.sli3_ring[LPFC_ELS_RING]; } diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 4830370bfab1..bb2d9e238225 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -60,9 +60,9 @@ #define LPFC_MIN_DEVLOSS_TMO 1 #define LPFC_MAX_DEVLOSS_TMO 255 -#define LPFC_DEF_MRQ_POST 256 -#define LPFC_MIN_MRQ_POST 32 -#define LPFC_MAX_MRQ_POST 512 +#define LPFC_DEF_MRQ_POST 512 +#define LPFC_MIN_MRQ_POST 512 +#define LPFC_MAX_MRQ_POST 2048 /* * Write key size should be multiple of 4. If write key is changed @@ -205,8 +205,9 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, atomic_read(&tgtp->xmt_ls_rsp_error)); len += snprintf(buf+len, PAGE_SIZE-len, - "FCP: Rcv %08x Drop %08x\n", + "FCP: Rcv %08x Release %08x Drop %08x\n", atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->xmt_fcp_release), atomic_read(&tgtp->rcv_fcp_cmd_drop)); if (atomic_read(&tgtp->rcv_fcp_cmd_in) != @@ -218,15 +219,12 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, } len += snprintf(buf+len, PAGE_SIZE-len, - "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x\n", + "FCP Rsp: RD %08x rsp %08x WR %08x rsp %08x " + "drop %08x\n", atomic_read(&tgtp->xmt_fcp_read), atomic_read(&tgtp->xmt_fcp_read_rsp), atomic_read(&tgtp->xmt_fcp_write), - atomic_read(&tgtp->xmt_fcp_rsp)); - - len += snprintf(buf+len, PAGE_SIZE-len, - "FCP Rsp: abort %08x drop %08x\n", - atomic_read(&tgtp->xmt_fcp_abort), + atomic_read(&tgtp->xmt_fcp_rsp), atomic_read(&tgtp->xmt_fcp_drop)); len += snprintf(buf+len, PAGE_SIZE-len, @@ -236,10 +234,22 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr, atomic_read(&tgtp->xmt_fcp_rsp_drop)); len += snprintf(buf+len, PAGE_SIZE-len, - "ABORT: Xmt %08x Err %08x Cmpl %08x", + "ABORT: Xmt %08x Cmpl %08x\n", + atomic_read(&tgtp->xmt_fcp_abort), + atomic_read(&tgtp->xmt_fcp_abort_cmpl)); + + len += snprintf(buf + len, PAGE_SIZE - len, + "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x", + atomic_read(&tgtp->xmt_abort_sol), + atomic_read(&tgtp->xmt_abort_unsol), atomic_read(&tgtp->xmt_abort_rsp), - atomic_read(&tgtp->xmt_abort_rsp_error), - atomic_read(&tgtp->xmt_abort_cmpl)); + atomic_read(&tgtp->xmt_abort_rsp_error)); + + len += snprintf(buf + len, PAGE_SIZE - len, + "IO_CTX: %08x outstanding %08x total %x", + phba->sli4_hba.nvmet_ctx_cnt, + phba->sli4_hba.nvmet_io_wait_cnt, + phba->sli4_hba.nvmet_io_wait_total); len += snprintf(buf+len, PAGE_SIZE-len, "\n"); return len; @@ -3312,14 +3322,6 @@ LPFC_ATTR_R(nvmet_mrq, "Specify number of RQ pairs for processing NVMET cmds"); /* - * lpfc_nvmet_mrq_post: Specify number buffers to post on every MRQ - * - */ -LPFC_ATTR_R(nvmet_mrq_post, LPFC_DEF_MRQ_POST, - LPFC_MIN_MRQ_POST, LPFC_MAX_MRQ_POST, - "Specify number of buffers to post on every MRQ"); - -/* * lpfc_enable_fc4_type: Defines what FC4 types are supported. * Supported Values: 1 - register just FCP * 3 - register both FCP and NVME @@ -5154,7 +5156,6 @@ struct device_attribute *lpfc_hba_attrs[] = { &dev_attr_lpfc_suppress_rsp, &dev_attr_lpfc_nvme_io_channel, &dev_attr_lpfc_nvmet_mrq, - &dev_attr_lpfc_nvmet_mrq_post, &dev_attr_lpfc_nvme_enable_fb, &dev_attr_lpfc_nvmet_fb_size, &dev_attr_lpfc_enable_bg, @@ -6194,7 +6195,6 @@ lpfc_get_cfgparam(struct lpfc_hba *phba) lpfc_enable_fc4_type_init(phba, lpfc_enable_fc4_type); lpfc_nvmet_mrq_init(phba, lpfc_nvmet_mrq); - lpfc_nvmet_mrq_post_init(phba, lpfc_nvmet_mrq_post); /* Initialize first burst. Target vs Initiator are different. */ lpfc_nvme_enable_fb_init(phba, lpfc_nvme_enable_fb); @@ -6291,7 +6291,6 @@ lpfc_nvme_mod_param_dep(struct lpfc_hba *phba) /* Not NVME Target mode. Turn off Target parameters. */ phba->nvmet_support = 0; phba->cfg_nvmet_mrq = 0; - phba->cfg_nvmet_mrq_post = 0; phba->cfg_nvmet_fb_size = 0; } diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 1c55408ac718..8912767e7bc8 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -75,6 +75,10 @@ void lpfc_init_vpi_cmpl(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_cancel_all_vport_retry_delay_timer(struct lpfc_hba *); void lpfc_retry_pport_discovery(struct lpfc_hba *); void lpfc_release_rpi(struct lpfc_hba *, struct lpfc_vport *, uint16_t); +int lpfc_init_iocb_list(struct lpfc_hba *phba, int cnt); +void lpfc_free_iocb_list(struct lpfc_hba *phba); +int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, + struct lpfc_queue *drq, int count, int idx); void lpfc_mbx_cmpl_local_config_link(struct lpfc_hba *, LPFC_MBOXQ_t *); void lpfc_mbx_cmpl_reg_login(struct lpfc_hba *, LPFC_MBOXQ_t *); @@ -246,16 +250,14 @@ struct hbq_dmabuf *lpfc_sli4_rb_alloc(struct lpfc_hba *); void lpfc_sli4_rb_free(struct lpfc_hba *, struct hbq_dmabuf *); struct rqb_dmabuf *lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba); void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab); -void lpfc_nvmet_rq_post(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp, - struct lpfc_dmabuf *mp); +void lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, + struct lpfc_nvmet_ctxbuf *ctxp); int lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, struct fc_frame_header *fc_hdr); void lpfc_sli4_build_dflt_fcf_record(struct lpfc_hba *, struct fcf_record *, uint16_t); int lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, struct lpfc_rqe *hrqe, struct lpfc_rqe *drqe); -int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq, - struct lpfc_queue *dq, int count); int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hq); void lpfc_unregister_fcf(struct lpfc_hba *); void lpfc_unregister_fcf_rescan(struct lpfc_hba *); @@ -271,6 +273,7 @@ int lpfc_sli4_fcf_rr_next_proc(struct lpfc_vport *, uint16_t); void lpfc_sli4_clear_fcf_rr_bmask(struct lpfc_hba *); int lpfc_mem_alloc(struct lpfc_hba *, int align); +int lpfc_nvmet_mem_alloc(struct lpfc_hba *phba); int lpfc_mem_alloc_active_rrq_pool_s4(struct lpfc_hba *); void lpfc_mem_free(struct lpfc_hba *); void lpfc_mem_free_all(struct lpfc_hba *); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index c7962dae4dab..f2cd19c6c2df 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -2092,6 +2092,7 @@ lpfc_fdmi_port_attr_fc4type(struct lpfc_vport *vport, ae->un.AttrTypes[3] = 0x02; /* Type 1 - ELS */ ae->un.AttrTypes[2] = 0x01; /* Type 8 - FCP */ + ae->un.AttrTypes[6] = 0x01; /* Type 40 - NVME */ ae->un.AttrTypes[7] = 0x01; /* Type 32 - CT */ size = FOURBYTES + 32; ad->AttrLen = cpu_to_be16(size); diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index fce549a91911..4bcb92c844ca 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -798,21 +798,22 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) atomic_read(&tgtp->xmt_fcp_rsp)); len += snprintf(buf + len, size - len, - "FCP Rsp: abort %08x drop %08x\n", - atomic_read(&tgtp->xmt_fcp_abort), - atomic_read(&tgtp->xmt_fcp_drop)); - - len += snprintf(buf + len, size - len, "FCP Rsp Cmpl: %08x err %08x drop %08x\n", atomic_read(&tgtp->xmt_fcp_rsp_cmpl), atomic_read(&tgtp->xmt_fcp_rsp_error), atomic_read(&tgtp->xmt_fcp_rsp_drop)); len += snprintf(buf + len, size - len, - "ABORT: Xmt %08x Err %08x Cmpl %08x", + "ABORT: Xmt %08x Cmpl %08x\n", + atomic_read(&tgtp->xmt_fcp_abort), + atomic_read(&tgtp->xmt_fcp_abort_cmpl)); + + len += snprintf(buf + len, size - len, + "ABORT: Sol %08x Usol %08x Err %08x Cmpl %08x", + atomic_read(&tgtp->xmt_abort_sol), + atomic_read(&tgtp->xmt_abort_unsol), atomic_read(&tgtp->xmt_abort_rsp), - atomic_read(&tgtp->xmt_abort_rsp_error), - atomic_read(&tgtp->xmt_abort_cmpl)); + atomic_read(&tgtp->xmt_abort_rsp_error)); len += snprintf(buf + len, size - len, "\n"); @@ -841,6 +842,12 @@ lpfc_debugfs_nvmestat_data(struct lpfc_vport *vport, char *buf, int size) } spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); } + + len += snprintf(buf + len, size - len, + "IO_CTX: %08x outstanding %08x total %08x\n", + phba->sli4_hba.nvmet_ctx_cnt, + phba->sli4_hba.nvmet_io_wait_cnt, + phba->sli4_hba.nvmet_io_wait_total); } else { if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) return len; @@ -1959,6 +1966,7 @@ lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf, atomic_set(&tgtp->rcv_ls_req_out, 0); atomic_set(&tgtp->rcv_ls_req_drop, 0); atomic_set(&tgtp->xmt_ls_abort, 0); + atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); atomic_set(&tgtp->xmt_ls_rsp, 0); atomic_set(&tgtp->xmt_ls_drop, 0); atomic_set(&tgtp->xmt_ls_rsp_error, 0); @@ -1967,19 +1975,22 @@ lpfc_debugfs_nvmestat_write(struct file *file, const char __user *buf, atomic_set(&tgtp->rcv_fcp_cmd_in, 0); atomic_set(&tgtp->rcv_fcp_cmd_out, 0); atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); - atomic_set(&tgtp->xmt_fcp_abort, 0); atomic_set(&tgtp->xmt_fcp_drop, 0); atomic_set(&tgtp->xmt_fcp_read_rsp, 0); atomic_set(&tgtp->xmt_fcp_read, 0); atomic_set(&tgtp->xmt_fcp_write, 0); atomic_set(&tgtp->xmt_fcp_rsp, 0); + atomic_set(&tgtp->xmt_fcp_release, 0); atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); atomic_set(&tgtp->xmt_fcp_rsp_error, 0); atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); + atomic_set(&tgtp->xmt_fcp_abort, 0); + atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); + atomic_set(&tgtp->xmt_abort_sol, 0); + atomic_set(&tgtp->xmt_abort_unsol, 0); atomic_set(&tgtp->xmt_abort_rsp, 0); atomic_set(&tgtp->xmt_abort_rsp_error, 0); - atomic_set(&tgtp->xmt_abort_cmpl, 0); } return nbytes; } @@ -3070,11 +3081,11 @@ __lpfc_idiag_print_wq(struct lpfc_queue *qp, char *wqtype, qp->assoc_qid, qp->q_cnt_1, (unsigned long long)qp->q_cnt_4); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, - "\t\tWQID[%02d], QE-CNT[%04d], QE-SIZE[%04d], " - "HOST-IDX[%04d], PORT-IDX[%04d]", + "\t\tWQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " + "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]", qp->queue_id, qp->entry_count, qp->entry_size, qp->host_index, - qp->hba_index); + qp->hba_index, qp->entry_repost); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); return len; @@ -3121,11 +3132,11 @@ __lpfc_idiag_print_cq(struct lpfc_queue *qp, char *cqtype, qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, - "\tCQID[%02d], QE-CNT[%04d], QE-SIZE[%04d], " - "HOST-IDX[%04d], PORT-IDX[%04d]", + "\tCQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " + "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]", qp->queue_id, qp->entry_count, qp->entry_size, qp->host_index, - qp->hba_index); + qp->hba_index, qp->entry_repost); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); @@ -3143,20 +3154,20 @@ __lpfc_idiag_print_rqpair(struct lpfc_queue *qp, struct lpfc_queue *datqp, "\t\t%s RQ info: ", rqtype); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "AssocCQID[%02d]: RQ-STAT[nopost:x%x nobuf:x%x " - "trunc:x%x rcv:x%llx]\n", + "posted:x%x rcv:x%llx]\n", qp->assoc_qid, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, - "\t\tHQID[%02d], QE-CNT[%04d], QE-SIZE[%04d], " - "HOST-IDX[%04d], PORT-IDX[%04d]\n", + "\t\tHQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " + "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n", qp->queue_id, qp->entry_count, qp->entry_size, - qp->host_index, qp->hba_index); + qp->host_index, qp->hba_index, qp->entry_repost); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, - "\t\tDQID[%02d], QE-CNT[%04d], QE-SIZE[%04d], " - "HOST-IDX[%04d], PORT-IDX[%04d]\n", + "\t\tDQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " + "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]\n", datqp->queue_id, datqp->entry_count, datqp->entry_size, datqp->host_index, - datqp->hba_index); + datqp->hba_index, datqp->entry_repost); return len; } @@ -3242,10 +3253,10 @@ __lpfc_idiag_print_eq(struct lpfc_queue *qp, char *eqtype, eqtype, qp->q_cnt_1, qp->q_cnt_2, qp->q_cnt_3, (unsigned long long)qp->q_cnt_4); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, - "EQID[%02d], QE-CNT[%04d], QE-SIZE[%04d], " - "HOST-IDX[%04d], PORT-IDX[%04d]", + "EQID[%02d], QE-CNT[%04d], QE-SZ[%04d], " + "HST-IDX[%04d], PRT-IDX[%04d], PST[%03d]", qp->queue_id, qp->entry_count, qp->entry_size, - qp->host_index, qp->hba_index); + qp->host_index, qp->hba_index, qp->entry_repost); len += snprintf(pbuffer + len, LPFC_QUE_INFO_GET_BUF_SIZE - len, "\n"); return len; @@ -5855,8 +5866,10 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) atomic_dec(&lpfc_debugfs_hba_count); } - debugfs_remove(lpfc_debugfs_root); /* lpfc */ - lpfc_debugfs_root = NULL; + if (atomic_read(&lpfc_debugfs_hba_count) == 0) { + debugfs_remove(lpfc_debugfs_root); /* lpfc */ + lpfc_debugfs_root = NULL; + } } #endif return; diff --git a/drivers/scsi/lpfc/lpfc_disc.h b/drivers/scsi/lpfc/lpfc_disc.h index 9d5a379f4b15..094c97b9e5f7 100644 --- a/drivers/scsi/lpfc/lpfc_disc.h +++ b/drivers/scsi/lpfc/lpfc_disc.h @@ -90,6 +90,7 @@ struct lpfc_nodelist { #define NLP_FCP_INITIATOR 0x10 /* entry is an FCP Initiator */ #define NLP_NVME_TARGET 0x20 /* entry is a NVME Target */ #define NLP_NVME_INITIATOR 0x40 /* entry is a NVME Initiator */ +#define NLP_NVME_DISCOVERY 0x80 /* entry has NVME disc srvc */ uint16_t nlp_fc4_type; /* FC types node supports. */ /* Assigned from GID_FF, only diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 67827e397431..8e532b39ae93 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1047,6 +1047,13 @@ stop_rr_fcf_flogi: irsp->ulpStatus, irsp->un.ulpWord[4], irsp->ulpTimeout); + + /* If this is not a loop open failure, bail out */ + if (!(irsp->ulpStatus == IOSTAT_LOCAL_REJECT && + ((irsp->un.ulpWord[4] & IOERR_PARAM_MASK) == + IOERR_LOOP_OPEN_FAILURE))) + goto flogifail; + /* FLOGI failed, so there is no fabric */ spin_lock_irq(shost->host_lock); vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP); @@ -2077,16 +2084,19 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, if (irsp->ulpStatus) { /* Check for retry */ + ndlp->fc4_prli_sent--; if (lpfc_els_retry(phba, cmdiocb, rspiocb)) { /* ELS command is being retried */ - ndlp->fc4_prli_sent--; goto out; } + /* PRLI failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "2754 PRLI failure DID:%06X Status:x%x/x%x\n", + "2754 PRLI failure DID:%06X Status:x%x/x%x, " + "data: x%x\n", ndlp->nlp_DID, irsp->ulpStatus, - irsp->un.ulpWord[4]); + irsp->un.ulpWord[4], ndlp->fc4_prli_sent); + /* Do not call DSM for lpfc_els_abort'ed ELS cmds */ if (lpfc_error_lost_link(irsp)) goto out; @@ -7441,6 +7451,13 @@ lpfc_els_flush_cmd(struct lpfc_vport *vport) */ spin_lock_irq(&phba->hbalock); pring = lpfc_phba_elsring(phba); + + /* Bail out if we've no ELS wq, like in PCI error recovery case. */ + if (unlikely(!pring)) { + spin_unlock_irq(&phba->hbalock); + return; + } + if (phba->sli_rev == LPFC_SLI_REV4) spin_lock(&pring->ring_lock); @@ -8667,7 +8684,8 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, lpfc_do_scr_ns_plogi(phba, vport); goto out; fdisc_failed: - if (vport->fc_vport->vport_state != FC_VPORT_NO_FABRIC_RSCS) + if (vport->fc_vport && + (vport->fc_vport->vport_state != FC_VPORT_NO_FABRIC_RSCS)) lpfc_vport_set_state(vport, FC_VPORT_FAILED); /* Cancel discovery timer */ lpfc_can_disctmo(vport); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 0482c5580331..3ffcd9215ca8 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -693,15 +693,16 @@ lpfc_work_done(struct lpfc_hba *phba) pring = lpfc_phba_elsring(phba); status = (ha_copy & (HA_RXMASK << (4*LPFC_ELS_RING))); status >>= (4*LPFC_ELS_RING); - if ((status & HA_RXMASK) || - (pring->flag & LPFC_DEFERRED_RING_EVENT) || - (phba->hba_flag & HBA_SP_QUEUE_EVT)) { + if (pring && (status & HA_RXMASK || + pring->flag & LPFC_DEFERRED_RING_EVENT || + phba->hba_flag & HBA_SP_QUEUE_EVT)) { if (pring->flag & LPFC_STOP_IOCB_EVENT) { pring->flag |= LPFC_DEFERRED_RING_EVENT; /* Set the lpfc data pending flag */ set_bit(LPFC_DATA_READY, &phba->data_flags); } else { - if (phba->link_state >= LPFC_LINK_UP) { + if (phba->link_state >= LPFC_LINK_UP || + phba->link_flag & LS_MDS_LOOPBACK) { pring->flag &= ~LPFC_DEFERRED_RING_EVENT; lpfc_sli_handle_slow_ring_event(phba, pring, (status & diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 1d12f2be36bc..e0a5fce416ae 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -1356,6 +1356,7 @@ struct lpfc_mbx_wq_destroy { #define LPFC_HDR_BUF_SIZE 128 #define LPFC_DATA_BUF_SIZE 2048 +#define LPFC_NVMET_DATA_BUF_SIZE 128 struct rq_context { uint32_t word0; #define lpfc_rq_context_rqe_count_SHIFT 16 /* Version 0 Only */ @@ -4420,6 +4421,19 @@ struct fcp_treceive64_wqe { }; #define TXRDY_PAYLOAD_LEN 12 +#define CMD_SEND_FRAME 0xE1 + +struct send_frame_wqe { + struct ulp_bde64 bde; /* words 0-2 */ + uint32_t frame_len; /* word 3 */ + uint32_t fc_hdr_wd0; /* word 4 */ + uint32_t fc_hdr_wd1; /* word 5 */ + struct wqe_common wqe_com; /* words 6-11 */ + uint32_t fc_hdr_wd2; /* word 12 */ + uint32_t fc_hdr_wd3; /* word 13 */ + uint32_t fc_hdr_wd4; /* word 14 */ + uint32_t fc_hdr_wd5; /* word 15 */ +}; union lpfc_wqe { uint32_t words[16]; @@ -4438,7 +4452,7 @@ union lpfc_wqe { struct fcp_trsp64_wqe fcp_trsp; struct fcp_tsend64_wqe fcp_tsend; struct fcp_treceive64_wqe fcp_treceive; - + struct send_frame_wqe send_frame; }; union lpfc_wqe128 { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 4b1eb98c228d..9add9473cae5 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1099,7 +1099,7 @@ lpfc_hba_down_post_s4(struct lpfc_hba *phba) list_for_each_entry_safe(ctxp, ctxp_next, &nvmet_aborts, list) { ctxp->flag &= ~(LPFC_NVMET_XBUSY | LPFC_NVMET_ABORT_OP); - lpfc_nvmet_rq_post(phba, ctxp, &ctxp->rqb_buffer->hbuf); + lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); } } @@ -3381,7 +3381,7 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) { struct lpfc_sglq *sglq_entry = NULL, *sglq_entry_next = NULL; uint16_t i, lxri, xri_cnt, els_xri_cnt; - uint16_t nvmet_xri_cnt, tot_cnt; + uint16_t nvmet_xri_cnt; LIST_HEAD(nvmet_sgl_list); int rc; @@ -3389,15 +3389,9 @@ lpfc_sli4_nvmet_sgl_update(struct lpfc_hba *phba) * update on pci function's nvmet xri-sgl list */ els_xri_cnt = lpfc_sli4_get_els_iocb_cnt(phba); - nvmet_xri_cnt = phba->cfg_nvmet_mrq * phba->cfg_nvmet_mrq_post; - tot_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; - if (nvmet_xri_cnt > tot_cnt) { - phba->cfg_nvmet_mrq_post = tot_cnt / phba->cfg_nvmet_mrq; - nvmet_xri_cnt = phba->cfg_nvmet_mrq * phba->cfg_nvmet_mrq_post; - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "6301 NVMET post-sgl count changed to %d\n", - phba->cfg_nvmet_mrq_post); - } + + /* For NVMET, ALL remaining XRIs are dedicated for IO processing */ + nvmet_xri_cnt = phba->sli4_hba.max_cfg_param.max_xri - els_xri_cnt; if (nvmet_xri_cnt > phba->sli4_hba.nvmet_xri_cnt) { /* els xri-sgl expanded */ @@ -4546,6 +4540,19 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc) pmb->vport = phba->pport; if (phba->sli4_hba.link_state.status != LPFC_FC_LA_TYPE_LINK_UP) { + phba->link_flag &= ~(LS_MDS_LINK_DOWN | LS_MDS_LOOPBACK); + + switch (phba->sli4_hba.link_state.status) { + case LPFC_FC_LA_TYPE_MDS_LINK_DOWN: + phba->link_flag |= LS_MDS_LINK_DOWN; + break; + case LPFC_FC_LA_TYPE_MDS_LOOPBACK: + phba->link_flag |= LS_MDS_LOOPBACK; + break; + default: + break; + } + /* Parse and translate status field */ mb = &pmb->u.mb; mb->mbxStatus = lpfc_sli4_parse_latt_fault(phba, @@ -5830,6 +5837,9 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvmet_ctx_list); + INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_ctx_list); + INIT_LIST_HEAD(&phba->sli4_hba.lpfc_nvmet_io_wait_list); + /* Fast-path XRI aborted CQ Event work queue list */ INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue); } @@ -5837,6 +5847,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* This abort list used by worker thread */ spin_lock_init(&phba->sli4_hba.sgl_list_lock); spin_lock_init(&phba->sli4_hba.nvmet_io_lock); + spin_lock_init(&phba->sli4_hba.nvmet_io_wait_lock); /* * Initialize driver internal slow-path work queues @@ -5951,16 +5962,21 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) for (i = 0; i < lpfc_enable_nvmet_cnt; i++) { if (wwn == lpfc_enable_nvmet[i]) { #if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) + if (lpfc_nvmet_mem_alloc(phba)) + break; + + phba->nvmet_support = 1; /* a match */ + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "6017 NVME Target %016llx\n", wwn); - phba->nvmet_support = 1; /* a match */ #else lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "6021 Can't enable NVME Target." " NVME_TARGET_FC infrastructure" " is not in kernel\n"); #endif + break; } } } @@ -6269,7 +6285,7 @@ lpfc_unset_driver_resource_phase2(struct lpfc_hba *phba) * * This routine is invoked to free the driver's IOCB list and memory. **/ -static void +void lpfc_free_iocb_list(struct lpfc_hba *phba) { struct lpfc_iocbq *iocbq_entry = NULL, *iocbq_next = NULL; @@ -6297,7 +6313,7 @@ lpfc_free_iocb_list(struct lpfc_hba *phba) * 0 - successful * other values - error **/ -static int +int lpfc_init_iocb_list(struct lpfc_hba *phba, int iocb_count) { struct lpfc_iocbq *iocbq_entry = NULL; @@ -6525,7 +6541,6 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) uint16_t rpi_limit, curr_rpi_range; struct lpfc_dmabuf *dmabuf; struct lpfc_rpi_hdr *rpi_hdr; - uint32_t rpi_count; /* * If the SLI4 port supports extents, posting the rpi header isn't @@ -6538,8 +6553,7 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) return NULL; /* The limit on the logical index is just the max_rpi count. */ - rpi_limit = phba->sli4_hba.max_cfg_param.rpi_base + - phba->sli4_hba.max_cfg_param.max_rpi - 1; + rpi_limit = phba->sli4_hba.max_cfg_param.max_rpi; spin_lock_irq(&phba->hbalock); /* @@ -6550,18 +6564,10 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) curr_rpi_range = phba->sli4_hba.next_rpi; spin_unlock_irq(&phba->hbalock); - /* - * The port has a limited number of rpis. The increment here - * is LPFC_RPI_HDR_COUNT - 1 to account for the starting value - * and to allow the full max_rpi range per port. - */ - if ((curr_rpi_range + (LPFC_RPI_HDR_COUNT - 1)) > rpi_limit) - rpi_count = rpi_limit - curr_rpi_range; - else - rpi_count = LPFC_RPI_HDR_COUNT; - - if (!rpi_count) + /* Reached full RPI range */ + if (curr_rpi_range == rpi_limit) return NULL; + /* * First allocate the protocol header region for the port. The * port expects a 4KB DMA-mapped memory region that is 4K aligned. @@ -6595,13 +6601,9 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) /* The rpi_hdr stores the logical index only. */ rpi_hdr->start_rpi = curr_rpi_range; + rpi_hdr->next_rpi = phba->sli4_hba.next_rpi + LPFC_RPI_HDR_COUNT; list_add_tail(&rpi_hdr->list, &phba->sli4_hba.lpfc_rpi_hdr_list); - /* - * The next_rpi stores the next logical module-64 rpi value used - * to post physical rpis in subsequent rpi postings. - */ - phba->sli4_hba.next_rpi += rpi_count; spin_unlock_irq(&phba->hbalock); return rpi_hdr; @@ -8172,7 +8174,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) /* Create NVMET Receive Queue for header */ qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, - phba->sli4_hba.rq_ecount); + LPFC_NVMET_RQE_DEF_COUNT); if (!qdesc) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "3146 Failed allocate " @@ -8194,7 +8196,7 @@ lpfc_sli4_queue_create(struct lpfc_hba *phba) /* Create NVMET Receive Queue for data */ qdesc = lpfc_sli4_queue_alloc(phba, phba->sli4_hba.rq_esize, - phba->sli4_hba.rq_ecount); + LPFC_NVMET_RQE_DEF_COUNT); if (!qdesc) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "3156 Failed allocate " @@ -8326,46 +8328,6 @@ lpfc_sli4_queue_destroy(struct lpfc_hba *phba) } int -lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, - struct lpfc_queue *drq, int count) -{ - int rc, i; - struct lpfc_rqe hrqe; - struct lpfc_rqe drqe; - struct lpfc_rqb *rqbp; - struct rqb_dmabuf *rqb_buffer; - LIST_HEAD(rqb_buf_list); - - rqbp = hrq->rqbp; - for (i = 0; i < count; i++) { - rqb_buffer = (rqbp->rqb_alloc_buffer)(phba); - if (!rqb_buffer) - break; - rqb_buffer->hrq = hrq; - rqb_buffer->drq = drq; - list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); - } - while (!list_empty(&rqb_buf_list)) { - list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, - hbuf.list); - - hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); - hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); - drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); - drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); - rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); - if (rc < 0) { - (rqbp->rqb_free_buffer)(phba, rqb_buffer); - } else { - list_add_tail(&rqb_buffer->hbuf.list, - &rqbp->rqb_buffer_list); - rqbp->buffer_count++; - } - } - return 1; -} - -int lpfc_free_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *rq) { struct lpfc_rqb *rqbp; @@ -8784,9 +8746,6 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) goto out_destroy; } - lpfc_rq_adjust_repost(phba, phba->sli4_hba.hdr_rq, LPFC_ELS_HBQ); - lpfc_rq_adjust_repost(phba, phba->sli4_hba.dat_rq, LPFC_ELS_HBQ); - rc = lpfc_rq_create(phba, phba->sli4_hba.hdr_rq, phba->sli4_hba.dat_rq, phba->sli4_hba.els_cq, LPFC_USOL); if (rc) { @@ -11110,7 +11069,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) struct lpfc_hba *phba; struct lpfc_vport *vport = NULL; struct Scsi_Host *shost = NULL; - int error, cnt; + int error; uint32_t cfg_mode, intr_mode; /* Allocate memory for HBA structure */ @@ -11144,22 +11103,6 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) goto out_unset_pci_mem_s4; } - cnt = phba->cfg_iocb_cnt * 1024; - if (phba->nvmet_support) - cnt += phba->cfg_nvmet_mrq_post * phba->cfg_nvmet_mrq; - - /* Initialize and populate the iocb list per host */ - lpfc_printf_log(phba, KERN_INFO, LOG_INIT, - "2821 initialize iocb list %d total %d\n", - phba->cfg_iocb_cnt, cnt); - error = lpfc_init_iocb_list(phba, cnt); - - if (error) { - lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "1413 Failed to initialize iocb list.\n"); - goto out_unset_driver_resource_s4; - } - INIT_LIST_HEAD(&phba->active_rrq_list); INIT_LIST_HEAD(&phba->fcf.fcf_pri_list); @@ -11168,7 +11111,7 @@ lpfc_pci_probe_one_s4(struct pci_dev *pdev, const struct pci_device_id *pid) if (error) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "1414 Failed to set up driver resource.\n"); - goto out_free_iocb_list; + goto out_unset_driver_resource_s4; } /* Get the default values for Model Name and Description */ @@ -11268,8 +11211,6 @@ out_destroy_shost: lpfc_destroy_shost(phba); out_unset_driver_resource: lpfc_unset_driver_resource_phase2(phba); -out_free_iocb_list: - lpfc_free_iocb_list(phba); out_unset_driver_resource_s4: lpfc_sli4_driver_resource_unset(phba); out_unset_pci_mem_s4: diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index 5986c7957199..fcc05a1517c2 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -214,6 +214,21 @@ fail_free_drb_pool: return -ENOMEM; } +int +lpfc_nvmet_mem_alloc(struct lpfc_hba *phba) +{ + phba->lpfc_nvmet_drb_pool = + pci_pool_create("lpfc_nvmet_drb_pool", + phba->pcidev, LPFC_NVMET_DATA_BUF_SIZE, + SGL_ALIGN_SZ, 0); + if (!phba->lpfc_nvmet_drb_pool) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6024 Can't enable NVME Target - no memory\n"); + return -ENOMEM; + } + return 0; +} + /** * lpfc_mem_free - Frees memory allocated by lpfc_mem_alloc * @phba: HBA to free memory for @@ -232,6 +247,9 @@ lpfc_mem_free(struct lpfc_hba *phba) /* Free HBQ pools */ lpfc_sli_hbqbuf_free_all(phba); + if (phba->lpfc_nvmet_drb_pool) + pci_pool_destroy(phba->lpfc_nvmet_drb_pool); + phba->lpfc_nvmet_drb_pool = NULL; if (phba->lpfc_drb_pool) pci_pool_destroy(phba->lpfc_drb_pool); phba->lpfc_drb_pool = NULL; @@ -611,8 +629,6 @@ struct rqb_dmabuf * lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) { struct rqb_dmabuf *dma_buf; - struct lpfc_iocbq *nvmewqe; - union lpfc_wqe128 *wqe; dma_buf = kzalloc(sizeof(struct rqb_dmabuf), GFP_KERNEL); if (!dma_buf) @@ -624,69 +640,15 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) kfree(dma_buf); return NULL; } - dma_buf->dbuf.virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, - &dma_buf->dbuf.phys); + dma_buf->dbuf.virt = pci_pool_alloc(phba->lpfc_nvmet_drb_pool, + GFP_KERNEL, &dma_buf->dbuf.phys); if (!dma_buf->dbuf.virt) { pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, dma_buf->hbuf.phys); kfree(dma_buf); return NULL; } - dma_buf->total_size = LPFC_DATA_BUF_SIZE; - - dma_buf->context = kzalloc(sizeof(struct lpfc_nvmet_rcv_ctx), - GFP_KERNEL); - if (!dma_buf->context) { - pci_pool_free(phba->lpfc_drb_pool, dma_buf->dbuf.virt, - dma_buf->dbuf.phys); - pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, - dma_buf->hbuf.phys); - kfree(dma_buf); - return NULL; - } - - dma_buf->iocbq = lpfc_sli_get_iocbq(phba); - if (!dma_buf->iocbq) { - kfree(dma_buf->context); - pci_pool_free(phba->lpfc_drb_pool, dma_buf->dbuf.virt, - dma_buf->dbuf.phys); - pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, - dma_buf->hbuf.phys); - kfree(dma_buf); - lpfc_printf_log(phba, KERN_ERR, LOG_NVME, - "2621 Ran out of nvmet iocb/WQEs\n"); - return NULL; - } - dma_buf->iocbq->iocb_flag = LPFC_IO_NVMET; - nvmewqe = dma_buf->iocbq; - wqe = (union lpfc_wqe128 *)&nvmewqe->wqe; - /* Initialize WQE */ - memset(wqe, 0, sizeof(union lpfc_wqe)); - /* Word 7 */ - bf_set(wqe_ct, &wqe->generic.wqe_com, SLI4_CT_RPI); - bf_set(wqe_class, &wqe->generic.wqe_com, CLASS3); - bf_set(wqe_pu, &wqe->generic.wqe_com, 1); - /* Word 10 */ - bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); - bf_set(wqe_ebde_cnt, &wqe->generic.wqe_com, 0); - bf_set(wqe_qosd, &wqe->generic.wqe_com, 0); - - dma_buf->iocbq->context1 = NULL; - spin_lock(&phba->sli4_hba.sgl_list_lock); - dma_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, dma_buf->iocbq); - spin_unlock(&phba->sli4_hba.sgl_list_lock); - if (!dma_buf->sglq) { - lpfc_sli_release_iocbq(phba, dma_buf->iocbq); - kfree(dma_buf->context); - pci_pool_free(phba->lpfc_drb_pool, dma_buf->dbuf.virt, - dma_buf->dbuf.phys); - pci_pool_free(phba->lpfc_hrb_pool, dma_buf->hbuf.virt, - dma_buf->hbuf.phys); - kfree(dma_buf); - lpfc_printf_log(phba, KERN_ERR, LOG_NVME, - "6132 Ran out of nvmet XRIs\n"); - return NULL; - } + dma_buf->total_size = LPFC_NVMET_DATA_BUF_SIZE; return dma_buf; } @@ -705,20 +667,9 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) void lpfc_sli4_nvmet_free(struct lpfc_hba *phba, struct rqb_dmabuf *dmab) { - unsigned long flags; - - __lpfc_clear_active_sglq(phba, dmab->sglq->sli4_lxritag); - dmab->sglq->state = SGL_FREED; - dmab->sglq->ndlp = NULL; - - spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, flags); - list_add_tail(&dmab->sglq->list, &phba->sli4_hba.lpfc_nvmet_sgl_list); - spin_unlock_irqrestore(&phba->sli4_hba.sgl_list_lock, flags); - - lpfc_sli_release_iocbq(phba, dmab->iocbq); - kfree(dmab->context); pci_pool_free(phba->lpfc_hrb_pool, dmab->hbuf.virt, dmab->hbuf.phys); - pci_pool_free(phba->lpfc_drb_pool, dmab->dbuf.virt, dmab->dbuf.phys); + pci_pool_free(phba->lpfc_nvmet_drb_pool, + dmab->dbuf.virt, dmab->dbuf.phys); kfree(dmab); } @@ -803,6 +754,11 @@ lpfc_rq_buf_free(struct lpfc_hba *phba, struct lpfc_dmabuf *mp) rc = lpfc_sli4_rq_put(rqb_entry->hrq, rqb_entry->drq, &hrqe, &drqe); if (rc < 0) { (rqbp->rqb_free_buffer)(phba, rqb_entry); + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6409 Cannot post to RQ %d: %x %x\n", + rqb_entry->hrq->queue_id, + rqb_entry->hrq->host_index, + rqb_entry->hrq->hba_index); } else { list_add_tail(&rqb_entry->hbuf.list, &rqbp->rqb_buffer_list); rqbp->buffer_count++; diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index 8777c2d5f50d..bff3de053df4 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1944,7 +1944,13 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, /* Target driver cannot solicit NVME FB. */ if (bf_get_be32(prli_tgt, nvpr)) { + /* Complete the nvme target roles. The transport + * needs to know if the rport is capable of + * discovery in addition to its role. + */ ndlp->nlp_type |= NLP_NVME_TARGET; + if (bf_get_be32(prli_disc, nvpr)) + ndlp->nlp_type |= NLP_NVME_DISCOVERY; if ((bf_get_be32(prli_fba, nvpr) == 1) && (bf_get_be32(prli_fb_sz, nvpr) > 0) && (phba->cfg_nvme_enable_fb) && diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index 0488580eea12..074a6b5e7763 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -142,7 +142,7 @@ out: } /** - * lpfc_nvmet_rq_post - Repost a NVMET RQ DMA buffer and clean up context + * lpfc_nvmet_ctxbuf_post - Repost a NVMET RQ DMA buffer and clean up context * @phba: HBA buffer is associated with * @ctxp: context to clean up * @mp: Buffer to free @@ -155,24 +155,113 @@ out: * Returns: None **/ void -lpfc_nvmet_rq_post(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp, - struct lpfc_dmabuf *mp) +lpfc_nvmet_ctxbuf_post(struct lpfc_hba *phba, struct lpfc_nvmet_ctxbuf *ctx_buf) { - if (ctxp) { - if (ctxp->flag) - lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, - "6314 rq_post ctx xri x%x flag x%x\n", - ctxp->oxid, ctxp->flag); - - if (ctxp->txrdy) { - pci_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, - ctxp->txrdy_phys); - ctxp->txrdy = NULL; - ctxp->txrdy_phys = 0; +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) + struct lpfc_nvmet_rcv_ctx *ctxp = ctx_buf->context; + struct lpfc_nvmet_tgtport *tgtp; + struct fc_frame_header *fc_hdr; + struct rqb_dmabuf *nvmebuf; + struct lpfc_dmabuf *hbufp; + uint32_t *payload; + uint32_t size, oxid, sid, rc; + unsigned long iflag; + + if (ctxp->txrdy) { + pci_pool_free(phba->txrdy_payload_pool, ctxp->txrdy, + ctxp->txrdy_phys); + ctxp->txrdy = NULL; + ctxp->txrdy_phys = 0; + } + ctxp->state = LPFC_NVMET_STE_FREE; + + spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); + if (phba->sli4_hba.nvmet_io_wait_cnt) { + hbufp = &nvmebuf->hbuf; + list_remove_head(&phba->sli4_hba.lpfc_nvmet_io_wait_list, + nvmebuf, struct rqb_dmabuf, + hbuf.list); + phba->sli4_hba.nvmet_io_wait_cnt--; + spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, + iflag); + + fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); + oxid = be16_to_cpu(fc_hdr->fh_ox_id); + tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; + payload = (uint32_t *)(nvmebuf->dbuf.virt); + size = nvmebuf->bytes_recv; + sid = sli4_sid_from_fc_hdr(fc_hdr); + + ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; + memset(ctxp, 0, sizeof(ctxp->ctx)); + ctxp->wqeq = NULL; + ctxp->txrdy = NULL; + ctxp->offset = 0; + ctxp->phba = phba; + ctxp->size = size; + ctxp->oxid = oxid; + ctxp->sid = sid; + ctxp->state = LPFC_NVMET_STE_RCV; + ctxp->entry_cnt = 1; + ctxp->flag = 0; + ctxp->ctxbuf = ctx_buf; + spin_lock_init(&ctxp->ctxlock); + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + if (phba->ktime_on) { + ctxp->ts_cmd_nvme = ktime_get_ns(); + ctxp->ts_isr_cmd = ctxp->ts_cmd_nvme; + ctxp->ts_nvme_data = 0; + ctxp->ts_data_wqput = 0; + ctxp->ts_isr_data = 0; + ctxp->ts_data_nvme = 0; + ctxp->ts_nvme_status = 0; + ctxp->ts_status_wqput = 0; + ctxp->ts_isr_status = 0; + ctxp->ts_status_nvme = 0; } - ctxp->state = LPFC_NVMET_STE_FREE; +#endif + atomic_inc(&tgtp->rcv_fcp_cmd_in); + /* + * The calling sequence should be: + * nvmet_fc_rcv_fcp_req->lpfc_nvmet_xmt_fcp_op/cmp- req->done + * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. + * When we return from nvmet_fc_rcv_fcp_req, all relevant info + * the NVME command / FC header is stored. + * A buffer has already been reposted for this IO, so just free + * the nvmebuf. + */ + rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, + payload, size); + + /* Process FCP command */ + if (rc == 0) { + atomic_inc(&tgtp->rcv_fcp_cmd_out); + nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); + return; + } + + atomic_inc(&tgtp->rcv_fcp_cmd_drop); + lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, + "2582 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", + ctxp->oxid, rc, + atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_out), + atomic_read(&tgtp->xmt_fcp_release)); + + lpfc_nvmet_defer_release(phba, ctxp); + lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); + nvmebuf->hrq->rqbp->rqb_free_buffer(phba, nvmebuf); + return; } - lpfc_rq_buf_free(phba, mp); + spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, iflag); + + spin_lock_irqsave(&phba->sli4_hba.nvmet_io_lock, iflag); + list_add_tail(&ctx_buf->list, + &phba->sli4_hba.lpfc_nvmet_ctx_list); + phba->sli4_hba.nvmet_ctx_cnt++; + spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_lock, iflag); +#endif } #ifdef CONFIG_SCSI_LPFC_DEBUG_FS @@ -502,6 +591,7 @@ lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport, "6150 LS Drop IO x%x: Prep\n", ctxp->oxid); lpfc_in_buf_free(phba, &nvmebuf->dbuf); + atomic_inc(&nvmep->xmt_ls_abort); lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); return -ENOMEM; @@ -545,6 +635,7 @@ lpfc_nvmet_xmt_ls_rsp(struct nvmet_fc_target_port *tgtport, lpfc_nlp_put(nvmewqeq->context1); lpfc_in_buf_free(phba, &nvmebuf->dbuf); + atomic_inc(&nvmep->xmt_ls_abort); lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, ctxp->sid, ctxp->oxid); return -ENXIO; } @@ -612,9 +703,9 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, lpfc_nvmeio_data(phba, "NVMET FCP CMND: xri x%x op x%x len x%x\n", ctxp->oxid, rsp->op, rsp->rsplen); + ctxp->flag |= LPFC_NVMET_IO_INP; rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, nvmewqeq); if (rc == WQE_SUCCESS) { - ctxp->flag |= LPFC_NVMET_IO_INP; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS if (!phba->ktime_on) return 0; @@ -692,6 +783,7 @@ static void lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, struct nvmefc_tgt_fcp_req *rsp) { + struct lpfc_nvmet_tgtport *lpfc_nvmep = tgtport->private; struct lpfc_nvmet_rcv_ctx *ctxp = container_of(rsp, struct lpfc_nvmet_rcv_ctx, ctx.fcp_req); struct lpfc_hba *phba = ctxp->phba; @@ -710,10 +802,12 @@ lpfc_nvmet_xmt_fcp_release(struct nvmet_fc_target_port *tgtport, lpfc_nvmeio_data(phba, "NVMET FCP FREE: xri x%x ste %d\n", ctxp->oxid, ctxp->state, 0); + atomic_inc(&lpfc_nvmep->xmt_fcp_release); + if (aborting) return; - lpfc_nvmet_rq_post(phba, ctxp, &ctxp->rqb_buffer->hbuf); + lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); } static struct nvmet_fc_target_template lpfc_tgttemplate = { @@ -734,17 +828,128 @@ static struct nvmet_fc_target_template lpfc_tgttemplate = { .target_priv_sz = sizeof(struct lpfc_nvmet_tgtport), }; +void +lpfc_nvmet_cleanup_io_context(struct lpfc_hba *phba) +{ + struct lpfc_nvmet_ctxbuf *ctx_buf, *next_ctx_buf; + unsigned long flags; + + list_for_each_entry_safe( + ctx_buf, next_ctx_buf, + &phba->sli4_hba.lpfc_nvmet_ctx_list, list) { + spin_lock_irqsave( + &phba->sli4_hba.abts_nvme_buf_list_lock, flags); + list_del_init(&ctx_buf->list); + spin_unlock_irqrestore( + &phba->sli4_hba.abts_nvme_buf_list_lock, flags); + __lpfc_clear_active_sglq(phba, + ctx_buf->sglq->sli4_lxritag); + ctx_buf->sglq->state = SGL_FREED; + ctx_buf->sglq->ndlp = NULL; + + spin_lock_irqsave(&phba->sli4_hba.sgl_list_lock, flags); + list_add_tail(&ctx_buf->sglq->list, + &phba->sli4_hba.lpfc_nvmet_sgl_list); + spin_unlock_irqrestore(&phba->sli4_hba.sgl_list_lock, + flags); + + lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); + kfree(ctx_buf->context); + } +} + +int +lpfc_nvmet_setup_io_context(struct lpfc_hba *phba) +{ + struct lpfc_nvmet_ctxbuf *ctx_buf; + struct lpfc_iocbq *nvmewqe; + union lpfc_wqe128 *wqe; + int i; + + lpfc_printf_log(phba, KERN_INFO, LOG_NVME, + "6403 Allocate NVMET resources for %d XRIs\n", + phba->sli4_hba.nvmet_xri_cnt); + + /* For all nvmet xris, allocate resources needed to process a + * received command on a per xri basis. + */ + for (i = 0; i < phba->sli4_hba.nvmet_xri_cnt; i++) { + ctx_buf = kzalloc(sizeof(*ctx_buf), GFP_KERNEL); + if (!ctx_buf) { + lpfc_printf_log(phba, KERN_ERR, LOG_NVME, + "6404 Ran out of memory for NVMET\n"); + return -ENOMEM; + } + + ctx_buf->context = kzalloc(sizeof(*ctx_buf->context), + GFP_KERNEL); + if (!ctx_buf->context) { + kfree(ctx_buf); + lpfc_printf_log(phba, KERN_ERR, LOG_NVME, + "6405 Ran out of NVMET " + "context memory\n"); + return -ENOMEM; + } + ctx_buf->context->ctxbuf = ctx_buf; + + ctx_buf->iocbq = lpfc_sli_get_iocbq(phba); + if (!ctx_buf->iocbq) { + kfree(ctx_buf->context); + kfree(ctx_buf); + lpfc_printf_log(phba, KERN_ERR, LOG_NVME, + "6406 Ran out of NVMET iocb/WQEs\n"); + return -ENOMEM; + } + ctx_buf->iocbq->iocb_flag = LPFC_IO_NVMET; + nvmewqe = ctx_buf->iocbq; + wqe = (union lpfc_wqe128 *)&nvmewqe->wqe; + /* Initialize WQE */ + memset(wqe, 0, sizeof(union lpfc_wqe)); + /* Word 7 */ + bf_set(wqe_ct, &wqe->generic.wqe_com, SLI4_CT_RPI); + bf_set(wqe_class, &wqe->generic.wqe_com, CLASS3); + bf_set(wqe_pu, &wqe->generic.wqe_com, 1); + /* Word 10 */ + bf_set(wqe_nvme, &wqe->fcp_tsend.wqe_com, 1); + bf_set(wqe_ebde_cnt, &wqe->generic.wqe_com, 0); + bf_set(wqe_qosd, &wqe->generic.wqe_com, 0); + + ctx_buf->iocbq->context1 = NULL; + spin_lock(&phba->sli4_hba.sgl_list_lock); + ctx_buf->sglq = __lpfc_sli_get_nvmet_sglq(phba, ctx_buf->iocbq); + spin_unlock(&phba->sli4_hba.sgl_list_lock); + if (!ctx_buf->sglq) { + lpfc_sli_release_iocbq(phba, ctx_buf->iocbq); + kfree(ctx_buf->context); + kfree(ctx_buf); + lpfc_printf_log(phba, KERN_ERR, LOG_NVME, + "6407 Ran out of NVMET XRIs\n"); + return -ENOMEM; + } + spin_lock(&phba->sli4_hba.nvmet_io_lock); + list_add_tail(&ctx_buf->list, + &phba->sli4_hba.lpfc_nvmet_ctx_list); + spin_unlock(&phba->sli4_hba.nvmet_io_lock); + } + phba->sli4_hba.nvmet_ctx_cnt = phba->sli4_hba.nvmet_xri_cnt; + return 0; +} + int lpfc_nvmet_create_targetport(struct lpfc_hba *phba) { struct lpfc_vport *vport = phba->pport; struct lpfc_nvmet_tgtport *tgtp; struct nvmet_fc_port_info pinfo; - int error = 0; + int error; if (phba->targetport) return 0; + error = lpfc_nvmet_setup_io_context(phba); + if (error) + return error; + memset(&pinfo, 0, sizeof(struct nvmet_fc_port_info)); pinfo.node_name = wwn_to_u64(vport->fc_nodename.u.wwn); pinfo.port_name = wwn_to_u64(vport->fc_portname.u.wwn); @@ -772,13 +977,16 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) &phba->pcidev->dev, &phba->targetport); #else - error = -ENOMEM; + error = -ENOENT; #endif if (error) { lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, "6025 Cannot register NVME targetport " "x%x\n", error); phba->targetport = NULL; + + lpfc_nvmet_cleanup_io_context(phba); + } else { tgtp = (struct lpfc_nvmet_tgtport *) phba->targetport->private; @@ -795,6 +1003,7 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) atomic_set(&tgtp->rcv_ls_req_out, 0); atomic_set(&tgtp->rcv_ls_req_drop, 0); atomic_set(&tgtp->xmt_ls_abort, 0); + atomic_set(&tgtp->xmt_ls_abort_cmpl, 0); atomic_set(&tgtp->xmt_ls_rsp, 0); atomic_set(&tgtp->xmt_ls_drop, 0); atomic_set(&tgtp->xmt_ls_rsp_error, 0); @@ -802,18 +1011,21 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) atomic_set(&tgtp->rcv_fcp_cmd_in, 0); atomic_set(&tgtp->rcv_fcp_cmd_out, 0); atomic_set(&tgtp->rcv_fcp_cmd_drop, 0); - atomic_set(&tgtp->xmt_fcp_abort, 0); atomic_set(&tgtp->xmt_fcp_drop, 0); atomic_set(&tgtp->xmt_fcp_read_rsp, 0); atomic_set(&tgtp->xmt_fcp_read, 0); atomic_set(&tgtp->xmt_fcp_write, 0); atomic_set(&tgtp->xmt_fcp_rsp, 0); + atomic_set(&tgtp->xmt_fcp_release, 0); atomic_set(&tgtp->xmt_fcp_rsp_cmpl, 0); atomic_set(&tgtp->xmt_fcp_rsp_error, 0); atomic_set(&tgtp->xmt_fcp_rsp_drop, 0); + atomic_set(&tgtp->xmt_fcp_abort, 0); + atomic_set(&tgtp->xmt_fcp_abort_cmpl, 0); + atomic_set(&tgtp->xmt_abort_unsol, 0); + atomic_set(&tgtp->xmt_abort_sol, 0); atomic_set(&tgtp->xmt_abort_rsp, 0); atomic_set(&tgtp->xmt_abort_rsp_error, 0); - atomic_set(&tgtp->xmt_abort_cmpl, 0); } return error; } @@ -864,7 +1076,7 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, list_for_each_entry_safe(ctxp, next_ctxp, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, list) { - if (ctxp->rqb_buffer->sglq->sli4_xritag != xri) + if (ctxp->ctxbuf->sglq->sli4_xritag != xri) continue; /* Check if we already received a free context call @@ -885,7 +1097,7 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, (ndlp->nlp_state == NLP_STE_UNMAPPED_NODE || ndlp->nlp_state == NLP_STE_MAPPED_NODE)) { lpfc_set_rrq_active(phba, ndlp, - ctxp->rqb_buffer->sglq->sli4_lxritag, + ctxp->ctxbuf->sglq->sli4_lxritag, rxid, 1); lpfc_sli4_abts_err_handler(phba, ndlp, axri); } @@ -894,8 +1106,8 @@ lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, "6318 XB aborted %x flg x%x (%x)\n", ctxp->oxid, ctxp->flag, released); if (released) - lpfc_nvmet_rq_post(phba, ctxp, - &ctxp->rqb_buffer->hbuf); + lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); + if (rrq_empty) lpfc_worker_wake_up(phba); return; @@ -923,7 +1135,7 @@ lpfc_nvmet_rcv_unsol_abort(struct lpfc_vport *vport, list_for_each_entry_safe(ctxp, next_ctxp, &phba->sli4_hba.lpfc_abts_nvmet_ctx_list, list) { - if (ctxp->rqb_buffer->sglq->sli4_xritag != xri) + if (ctxp->ctxbuf->sglq->sli4_xritag != xri) continue; spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); @@ -975,6 +1187,7 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) init_completion(&tgtp->tport_unreg_done); nvmet_fc_unregister_targetport(phba->targetport); wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); + lpfc_nvmet_cleanup_io_context(phba); } phba->targetport = NULL; #endif @@ -1010,6 +1223,7 @@ lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, oxid = 0; size = 0; sid = 0; + ctxp = NULL; goto dropit; } @@ -1104,39 +1318,71 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, struct lpfc_nvmet_rcv_ctx *ctxp; struct lpfc_nvmet_tgtport *tgtp; struct fc_frame_header *fc_hdr; + struct lpfc_nvmet_ctxbuf *ctx_buf; uint32_t *payload; - uint32_t size, oxid, sid, rc; + uint32_t size, oxid, sid, rc, qno; + unsigned long iflag; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS uint32_t id; #endif + ctx_buf = NULL; if (!nvmebuf || !phba->targetport) { lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, - "6157 FCP Drop IO\n"); + "6157 NVMET FCP Drop IO\n"); oxid = 0; size = 0; sid = 0; + ctxp = NULL; goto dropit; } + spin_lock_irqsave(&phba->sli4_hba.nvmet_io_lock, iflag); + if (phba->sli4_hba.nvmet_ctx_cnt) { + list_remove_head(&phba->sli4_hba.lpfc_nvmet_ctx_list, + ctx_buf, struct lpfc_nvmet_ctxbuf, list); + phba->sli4_hba.nvmet_ctx_cnt--; + } + spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_lock, iflag); - tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; - payload = (uint32_t *)(nvmebuf->dbuf.virt); fc_hdr = (struct fc_frame_header *)(nvmebuf->hbuf.virt); - size = nvmebuf->bytes_recv; oxid = be16_to_cpu(fc_hdr->fh_ox_id); - sid = sli4_sid_from_fc_hdr(fc_hdr); + size = nvmebuf->bytes_recv; - ctxp = (struct lpfc_nvmet_rcv_ctx *)nvmebuf->context; - if (ctxp == NULL) { - atomic_inc(&tgtp->rcv_fcp_cmd_drop); - lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, - "6158 FCP Drop IO x%x: Alloc\n", - oxid); - lpfc_nvmet_rq_post(phba, NULL, &nvmebuf->hbuf); - /* Cannot send ABTS without context */ +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { + id = smp_processor_id(); + if (id < LPFC_CHECK_CPU_CNT) + phba->cpucheck_rcv_io[id]++; + } +#endif + + lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", + oxid, size, smp_processor_id()); + + if (!ctx_buf) { + /* Queue this NVME IO to process later */ + spin_lock_irqsave(&phba->sli4_hba.nvmet_io_wait_lock, iflag); + list_add_tail(&nvmebuf->hbuf.list, + &phba->sli4_hba.lpfc_nvmet_io_wait_list); + phba->sli4_hba.nvmet_io_wait_cnt++; + phba->sli4_hba.nvmet_io_wait_total++; + spin_unlock_irqrestore(&phba->sli4_hba.nvmet_io_wait_lock, + iflag); + + /* Post a brand new DMA buffer to RQ */ + qno = nvmebuf->idx; + lpfc_post_rq_buffer( + phba, phba->sli4_hba.nvmet_mrq_hdr[qno], + phba->sli4_hba.nvmet_mrq_data[qno], 1, qno); return; } + + tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; + payload = (uint32_t *)(nvmebuf->dbuf.virt); + sid = sli4_sid_from_fc_hdr(fc_hdr); + + ctxp = (struct lpfc_nvmet_rcv_ctx *)ctx_buf->context; memset(ctxp, 0, sizeof(ctxp->ctx)); ctxp->wqeq = NULL; ctxp->txrdy = NULL; @@ -1146,9 +1392,9 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, ctxp->oxid = oxid; ctxp->sid = sid; ctxp->state = LPFC_NVMET_STE_RCV; - ctxp->rqb_buffer = nvmebuf; ctxp->entry_cnt = 1; ctxp->flag = 0; + ctxp->ctxbuf = ctx_buf; spin_lock_init(&ctxp->ctxlock); #ifdef CONFIG_SCSI_LPFC_DEBUG_FS @@ -1164,22 +1410,16 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, ctxp->ts_isr_status = 0; ctxp->ts_status_nvme = 0; } - - if (phba->cpucheck_on & LPFC_CHECK_NVMET_RCV) { - id = smp_processor_id(); - if (id < LPFC_CHECK_CPU_CNT) - phba->cpucheck_rcv_io[id]++; - } #endif - lpfc_nvmeio_data(phba, "NVMET FCP RCV: xri x%x sz %d CPU %02x\n", - oxid, size, smp_processor_id()); - atomic_inc(&tgtp->rcv_fcp_cmd_in); /* * The calling sequence should be: * nvmet_fc_rcv_fcp_req -> lpfc_nvmet_xmt_fcp_op/cmp -> req->done * lpfc_nvmet_xmt_fcp_op_cmp should free the allocated ctxp. + * When we return from nvmet_fc_rcv_fcp_req, all relevant info in + * the NVME command / FC header is stored, so we are free to repost + * the buffer. */ rc = nvmet_fc_rcv_fcp_req(phba->targetport, &ctxp->ctx.fcp_req, payload, size); @@ -1187,26 +1427,32 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, /* Process FCP command */ if (rc == 0) { atomic_inc(&tgtp->rcv_fcp_cmd_out); + lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ return; } atomic_inc(&tgtp->rcv_fcp_cmd_drop); lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, - "6159 FCP Drop IO x%x: err x%x\n", - ctxp->oxid, rc); + "6159 FCP Drop IO x%x: err x%x: x%x x%x x%x\n", + ctxp->oxid, rc, + atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_out), + atomic_read(&tgtp->xmt_fcp_release)); dropit: lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", oxid, size, sid); if (oxid) { + lpfc_nvmet_defer_release(phba, ctxp); lpfc_nvmet_unsol_fcp_issue_abort(phba, ctxp, sid, oxid); + lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ return; } - if (nvmebuf) { - nvmebuf->iocbq->hba_wqidx = 0; - /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ - lpfc_nvmet_rq_post(phba, NULL, &nvmebuf->hbuf); - } + if (ctx_buf) + lpfc_nvmet_ctxbuf_post(phba, ctx_buf); + + if (nvmebuf) + lpfc_rq_buf_free(phba, &nvmebuf->hbuf); /* repost */ #endif } @@ -1258,7 +1504,7 @@ lpfc_nvmet_unsol_fcp_event(struct lpfc_hba *phba, uint64_t isr_timestamp) { if (phba->nvmet_support == 0) { - lpfc_nvmet_rq_post(phba, NULL, &nvmebuf->hbuf); + lpfc_rq_buf_free(phba, &nvmebuf->hbuf); return; } lpfc_nvmet_unsol_fcp_buffer(phba, pring, nvmebuf, @@ -1459,7 +1705,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, nvmewqe = ctxp->wqeq; if (nvmewqe == NULL) { /* Allocate buffer for command wqe */ - nvmewqe = ctxp->rqb_buffer->iocbq; + nvmewqe = ctxp->ctxbuf->iocbq; if (nvmewqe == NULL) { lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, "6110 lpfc_nvmet_prep_fcp_wqe: No " @@ -1486,7 +1732,7 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, return NULL; } - sgl = (struct sli4_sge *)ctxp->rqb_buffer->sglq->sgl; + sgl = (struct sli4_sge *)ctxp->ctxbuf->sglq->sgl; switch (rsp->op) { case NVMET_FCOP_READDATA: case NVMET_FCOP_READDATA_RSP: @@ -1811,7 +2057,8 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, result = wcqe->parameter; tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; - atomic_inc(&tgtp->xmt_abort_cmpl); + if (ctxp->flag & LPFC_NVMET_ABORT_OP) + atomic_inc(&tgtp->xmt_fcp_abort_cmpl); ctxp->state = LPFC_NVMET_STE_DONE; @@ -1826,6 +2073,7 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, } ctxp->flag &= ~LPFC_NVMET_ABORT_OP; spin_unlock_irqrestore(&ctxp->ctxlock, flags); + atomic_inc(&tgtp->xmt_abort_rsp); lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, "6165 ABORT cmpl: xri x%x flg x%x (%d) " @@ -1834,15 +2082,16 @@ lpfc_nvmet_sol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, wcqe->word0, wcqe->total_data_placed, result, wcqe->word3); + cmdwqe->context2 = NULL; + cmdwqe->context3 = NULL; /* * if transport has released ctx, then can reuse it. Otherwise, * will be recycled by transport release call. */ if (released) - lpfc_nvmet_rq_post(phba, ctxp, &ctxp->rqb_buffer->hbuf); + lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); - cmdwqe->context2 = NULL; - cmdwqe->context3 = NULL; + /* This is the iocbq for the abort, not the command */ lpfc_sli_release_iocbq(phba, cmdwqe); /* Since iaab/iaar are NOT set, there is no work left. @@ -1876,7 +2125,8 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, result = wcqe->parameter; tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; - atomic_inc(&tgtp->xmt_abort_cmpl); + if (ctxp->flag & LPFC_NVMET_ABORT_OP) + atomic_inc(&tgtp->xmt_fcp_abort_cmpl); if (!ctxp) { /* if context is clear, related io alrady complete */ @@ -1906,6 +2156,7 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, } ctxp->flag &= ~LPFC_NVMET_ABORT_OP; spin_unlock_irqrestore(&ctxp->ctxlock, flags); + atomic_inc(&tgtp->xmt_abort_rsp); lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, "6316 ABTS cmpl xri x%x flg x%x (%x) " @@ -1913,15 +2164,15 @@ lpfc_nvmet_unsol_fcp_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, ctxp->oxid, ctxp->flag, released, wcqe->word0, wcqe->total_data_placed, result, wcqe->word3); + + cmdwqe->context2 = NULL; + cmdwqe->context3 = NULL; /* * if transport has released ctx, then can reuse it. Otherwise, * will be recycled by transport release call. */ if (released) - lpfc_nvmet_rq_post(phba, ctxp, &ctxp->rqb_buffer->hbuf); - - cmdwqe->context2 = NULL; - cmdwqe->context3 = NULL; + lpfc_nvmet_ctxbuf_post(phba, ctxp->ctxbuf); /* Since iaab/iaar are NOT set, there is no work left. * For LPFC_NVMET_XBUSY, lpfc_sli4_nvmet_xri_aborted @@ -1952,7 +2203,7 @@ lpfc_nvmet_xmt_ls_abort_cmp(struct lpfc_hba *phba, struct lpfc_iocbq *cmdwqe, result = wcqe->parameter; tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; - atomic_inc(&tgtp->xmt_abort_cmpl); + atomic_inc(&tgtp->xmt_ls_abort_cmpl); lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, "6083 Abort cmpl: ctx %p WCQE: %08x %08x %08x %08x\n", @@ -1983,10 +2234,6 @@ lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, sid, xri, ctxp->wqeq->sli4_xritag); tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; - if (!ctxp->wqeq) { - ctxp->wqeq = ctxp->rqb_buffer->iocbq; - ctxp->wqeq->hba_wqidx = 0; - } ndlp = lpfc_findnode_did(phba->pport, sid); if (!ndlp || !NLP_CHK_NODE_ACT(ndlp) || @@ -2082,7 +2329,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; if (!ctxp->wqeq) { - ctxp->wqeq = ctxp->rqb_buffer->iocbq; + ctxp->wqeq = ctxp->ctxbuf->iocbq; ctxp->wqeq->hba_wqidx = 0; } @@ -2103,6 +2350,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, /* Issue ABTS for this WQE based on iotag */ ctxp->abort_wqeq = lpfc_sli_get_iocbq(phba); if (!ctxp->abort_wqeq) { + atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_WARNING, LOG_NVME_ABTS, "6161 ABORT failed: No wqeqs: " "xri: x%x\n", ctxp->oxid); @@ -2127,6 +2375,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, /* driver queued commands are in process of being flushed */ if (phba->hba_flag & HBA_NVME_IOQ_FLUSH) { spin_unlock_irqrestore(&phba->hbalock, flags); + atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_ERR, LOG_NVME, "6163 Driver in reset cleanup - flushing " "NVME Req now. hba_flag x%x oxid x%x\n", @@ -2139,6 +2388,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, /* Outstanding abort is in progress */ if (abts_wqeq->iocb_flag & LPFC_DRIVER_ABORTED) { spin_unlock_irqrestore(&phba->hbalock, flags); + atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_ERR, LOG_NVME, "6164 Outstanding NVME I/O Abort Request " "still pending on oxid x%x\n", @@ -2189,9 +2439,12 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, abts_wqeq->context2 = ctxp; rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq); spin_unlock_irqrestore(&phba->hbalock, flags); - if (rc == WQE_SUCCESS) + if (rc == WQE_SUCCESS) { + atomic_inc(&tgtp->xmt_abort_sol); return 0; + } + atomic_inc(&tgtp->xmt_abort_rsp_error); ctxp->flag &= ~LPFC_NVMET_ABORT_OP; lpfc_sli_release_iocbq(phba, abts_wqeq); lpfc_printf_log(phba, KERN_ERR, LOG_NVME_ABTS, @@ -2214,7 +2467,7 @@ lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; if (!ctxp->wqeq) { - ctxp->wqeq = ctxp->rqb_buffer->iocbq; + ctxp->wqeq = ctxp->ctxbuf->iocbq; ctxp->wqeq->hba_wqidx = 0; } @@ -2230,11 +2483,11 @@ lpfc_nvmet_unsol_fcp_issue_abort(struct lpfc_hba *phba, rc = lpfc_sli4_issue_wqe(phba, LPFC_FCP_RING, abts_wqeq); spin_unlock_irqrestore(&phba->hbalock, flags); if (rc == WQE_SUCCESS) { - atomic_inc(&tgtp->xmt_abort_rsp); return 0; } aerr: + atomic_inc(&tgtp->xmt_abort_rsp_error); ctxp->flag &= ~LPFC_NVMET_ABORT_OP; atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_WARNING, LOG_NVME_ABTS, @@ -2269,6 +2522,7 @@ lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, } abts_wqeq = ctxp->wqeq; wqe_abts = &abts_wqeq->wqe; + lpfc_nvmet_unsol_issue_abort(phba, ctxp, sid, xri); spin_lock_irqsave(&phba->hbalock, flags); @@ -2278,7 +2532,7 @@ lpfc_nvmet_unsol_ls_issue_abort(struct lpfc_hba *phba, rc = lpfc_sli4_issue_wqe(phba, LPFC_ELS_RING, abts_wqeq); spin_unlock_irqrestore(&phba->hbalock, flags); if (rc == WQE_SUCCESS) { - atomic_inc(&tgtp->xmt_abort_rsp); + atomic_inc(&tgtp->xmt_abort_unsol); return 0; } diff --git a/drivers/scsi/lpfc/lpfc_nvmet.h b/drivers/scsi/lpfc/lpfc_nvmet.h index 128759fe6650..6eb2f5d8d4ed 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.h +++ b/drivers/scsi/lpfc/lpfc_nvmet.h @@ -22,6 +22,7 @@ ********************************************************************/ #define LPFC_NVMET_DEFAULT_SEGS (64 + 1) /* 256K IOs */ +#define LPFC_NVMET_RQE_DEF_COUNT 512 #define LPFC_NVMET_SUCCESS_LEN 12 /* Used for NVME Target */ @@ -34,6 +35,7 @@ struct lpfc_nvmet_tgtport { atomic_t rcv_ls_req_out; atomic_t rcv_ls_req_drop; atomic_t xmt_ls_abort; + atomic_t xmt_ls_abort_cmpl; /* Stats counters - lpfc_nvmet_xmt_ls_rsp */ atomic_t xmt_ls_rsp; @@ -47,9 +49,9 @@ struct lpfc_nvmet_tgtport { atomic_t rcv_fcp_cmd_in; atomic_t rcv_fcp_cmd_out; atomic_t rcv_fcp_cmd_drop; + atomic_t xmt_fcp_release; /* Stats counters - lpfc_nvmet_xmt_fcp_op */ - atomic_t xmt_fcp_abort; atomic_t xmt_fcp_drop; atomic_t xmt_fcp_read_rsp; atomic_t xmt_fcp_read; @@ -62,12 +64,13 @@ struct lpfc_nvmet_tgtport { atomic_t xmt_fcp_rsp_drop; - /* Stats counters - lpfc_nvmet_unsol_issue_abort */ + /* Stats counters - lpfc_nvmet_xmt_fcp_abort */ + atomic_t xmt_fcp_abort; + atomic_t xmt_fcp_abort_cmpl; + atomic_t xmt_abort_sol; + atomic_t xmt_abort_unsol; atomic_t xmt_abort_rsp; atomic_t xmt_abort_rsp_error; - - /* Stats counters - lpfc_nvmet_xmt_abort_cmp */ - atomic_t xmt_abort_cmpl; }; struct lpfc_nvmet_rcv_ctx { @@ -103,6 +106,7 @@ struct lpfc_nvmet_rcv_ctx { #define LPFC_NVMET_CTX_RLS 0x8 /* ctx free requested */ #define LPFC_NVMET_ABTS_RCV 0x10 /* ABTS received on exchange */ struct rqb_dmabuf *rqb_buffer; + struct lpfc_nvmet_ctxbuf *ctxbuf; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS uint64_t ts_isr_cmd; diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 2a4fc00dfa9b..d6b184839bc2 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -74,6 +74,8 @@ static struct lpfc_iocbq *lpfc_sli4_els_wcqe_to_rspiocbq(struct lpfc_hba *, struct lpfc_iocbq *); static void lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *, struct hbq_dmabuf *); +static void lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, + struct hbq_dmabuf *dmabuf); static int lpfc_sli4_fp_handle_cqe(struct lpfc_hba *, struct lpfc_queue *, struct lpfc_cqe *); static int lpfc_sli4_post_sgl_list(struct lpfc_hba *, struct list_head *, @@ -479,22 +481,23 @@ lpfc_sli4_rq_put(struct lpfc_queue *hq, struct lpfc_queue *dq, if (unlikely(!hq) || unlikely(!dq)) return -ENOMEM; put_index = hq->host_index; - temp_hrqe = hq->qe[hq->host_index].rqe; + temp_hrqe = hq->qe[put_index].rqe; temp_drqe = dq->qe[dq->host_index].rqe; if (hq->type != LPFC_HRQ || dq->type != LPFC_DRQ) return -EINVAL; - if (hq->host_index != dq->host_index) + if (put_index != dq->host_index) return -EINVAL; /* If the host has not yet processed the next entry then we are done */ - if (((hq->host_index + 1) % hq->entry_count) == hq->hba_index) + if (((put_index + 1) % hq->entry_count) == hq->hba_index) return -EBUSY; lpfc_sli_pcimem_bcopy(hrqe, temp_hrqe, hq->entry_size); lpfc_sli_pcimem_bcopy(drqe, temp_drqe, dq->entry_size); /* Update the host index to point to the next slot */ - hq->host_index = ((hq->host_index + 1) % hq->entry_count); + hq->host_index = ((put_index + 1) % hq->entry_count); dq->host_index = ((dq->host_index + 1) % dq->entry_count); + hq->RQ_buf_posted++; /* Ring The Header Receive Queue Doorbell */ if (!(hq->host_index % hq->entry_repost)) { @@ -5906,7 +5909,7 @@ lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox, bf_set(lpfc_mbx_set_feature_mds, &mbox->u.mqe.un.set_feature, 1); bf_set(lpfc_mbx_set_feature_mds_deep_loopbk, - &mbox->u.mqe.un.set_feature, 0); + &mbox->u.mqe.un.set_feature, 1); mbox->u.mqe.un.set_feature.feature = LPFC_SET_MDS_DIAGS; mbox->u.mqe.un.set_feature.param_len = 8; break; @@ -6512,6 +6515,50 @@ lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) (phba->hba_flag & HBA_FCOE_MODE) ? "FCoE" : "FC"); } +int +lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq, + struct lpfc_queue *drq, int count, int idx) +{ + int rc, i; + struct lpfc_rqe hrqe; + struct lpfc_rqe drqe; + struct lpfc_rqb *rqbp; + struct rqb_dmabuf *rqb_buffer; + LIST_HEAD(rqb_buf_list); + + rqbp = hrq->rqbp; + for (i = 0; i < count; i++) { + /* IF RQ is already full, don't bother */ + if (rqbp->buffer_count + i >= rqbp->entry_count - 1) + break; + rqb_buffer = rqbp->rqb_alloc_buffer(phba); + if (!rqb_buffer) + break; + rqb_buffer->hrq = hrq; + rqb_buffer->drq = drq; + rqb_buffer->idx = idx; + list_add_tail(&rqb_buffer->hbuf.list, &rqb_buf_list); + } + while (!list_empty(&rqb_buf_list)) { + list_remove_head(&rqb_buf_list, rqb_buffer, struct rqb_dmabuf, + hbuf.list); + + hrqe.address_lo = putPaddrLow(rqb_buffer->hbuf.phys); + hrqe.address_hi = putPaddrHigh(rqb_buffer->hbuf.phys); + drqe.address_lo = putPaddrLow(rqb_buffer->dbuf.phys); + drqe.address_hi = putPaddrHigh(rqb_buffer->dbuf.phys); + rc = lpfc_sli4_rq_put(hrq, drq, &hrqe, &drqe); + if (rc < 0) { + rqbp->rqb_free_buffer(phba, rqb_buffer); + } else { + list_add_tail(&rqb_buffer->hbuf.list, + &rqbp->rqb_buffer_list); + rqbp->buffer_count++; + } + } + return 1; +} + /** * lpfc_sli4_hba_setup - SLI4 device initialization PCI function * @phba: Pointer to HBA context object. @@ -6524,7 +6571,7 @@ lpfc_set_host_data(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox) int lpfc_sli4_hba_setup(struct lpfc_hba *phba) { - int rc, i; + int rc, i, cnt; LPFC_MBOXQ_t *mboxq; struct lpfc_mqe *mqe; uint8_t *vpd; @@ -6875,6 +6922,21 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) goto out_destroy_queue; } phba->sli4_hba.nvmet_xri_cnt = rc; + + cnt = phba->cfg_iocb_cnt * 1024; + /* We need 1 iocbq for every SGL, for IO processing */ + cnt += phba->sli4_hba.nvmet_xri_cnt; + /* Initialize and populate the iocb list per host */ + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "2821 initialize iocb list %d total %d\n", + phba->cfg_iocb_cnt, cnt); + rc = lpfc_init_iocb_list(phba, cnt); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "1413 Failed to init iocb list.\n"); + goto out_destroy_queue; + } + lpfc_nvmet_create_targetport(phba); } else { /* update host scsi xri-sgl sizes and mappings */ @@ -6894,28 +6956,34 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) "and mapping: %d\n", rc); goto out_destroy_queue; } + + cnt = phba->cfg_iocb_cnt * 1024; + /* Initialize and populate the iocb list per host */ + lpfc_printf_log(phba, KERN_INFO, LOG_INIT, + "2820 initialize iocb list %d total %d\n", + phba->cfg_iocb_cnt, cnt); + rc = lpfc_init_iocb_list(phba, cnt); + if (rc) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6301 Failed to init iocb list.\n"); + goto out_destroy_queue; + } } if (phba->nvmet_support && phba->cfg_nvmet_mrq) { - /* Post initial buffers to all RQs created */ for (i = 0; i < phba->cfg_nvmet_mrq; i++) { rqbp = phba->sli4_hba.nvmet_mrq_hdr[i]->rqbp; INIT_LIST_HEAD(&rqbp->rqb_buffer_list); rqbp->rqb_alloc_buffer = lpfc_sli4_nvmet_alloc; rqbp->rqb_free_buffer = lpfc_sli4_nvmet_free; - rqbp->entry_count = 256; + rqbp->entry_count = LPFC_NVMET_RQE_DEF_COUNT; rqbp->buffer_count = 0; - /* Divide by 4 and round down to multiple of 16 */ - rc = (phba->cfg_nvmet_mrq_post >> 2) & 0xfff8; - phba->sli4_hba.nvmet_mrq_hdr[i]->entry_repost = rc; - phba->sli4_hba.nvmet_mrq_data[i]->entry_repost = rc; - lpfc_post_rq_buffer( phba, phba->sli4_hba.nvmet_mrq_hdr[i], phba->sli4_hba.nvmet_mrq_data[i], - phba->cfg_nvmet_mrq_post); + LPFC_NVMET_RQE_DEF_COUNT, i); } } @@ -7082,6 +7150,7 @@ out_unset_queue: /* Unset all the queues set up in this routine when error out */ lpfc_sli4_queue_unset(phba); out_destroy_queue: + lpfc_free_iocb_list(phba); lpfc_sli4_queue_destroy(phba); out_stop_timers: lpfc_stop_hba_timers(phba); @@ -8621,8 +8690,11 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, memset(wqe, 0, sizeof(union lpfc_wqe128)); /* Some of the fields are in the right position already */ memcpy(wqe, &iocbq->iocb, sizeof(union lpfc_wqe)); - wqe->generic.wqe_com.word7 = 0; /* The ct field has moved so reset */ - wqe->generic.wqe_com.word10 = 0; + if (iocbq->iocb.ulpCommand != CMD_SEND_FRAME) { + /* The ct field has moved so reset */ + wqe->generic.wqe_com.word7 = 0; + wqe->generic.wqe_com.word10 = 0; + } abort_tag = (uint32_t) iocbq->iotag; xritag = iocbq->sli4_xritag; @@ -9116,6 +9188,10 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, } break; + case CMD_SEND_FRAME: + bf_set(wqe_xri_tag, &wqe->generic.wqe_com, xritag); + bf_set(wqe_reqtag, &wqe->generic.wqe_com, iocbq->iotag); + return 0; case CMD_XRI_ABORTED_CX: case CMD_CREATE_XRI_CR: /* Do we expect to use this? */ case CMD_IOCB_FCP_IBIDIR64_CR: /* bidirectional xfer */ @@ -12788,6 +12864,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) struct fc_frame_header *fc_hdr; struct lpfc_queue *hrq = phba->sli4_hba.hdr_rq; struct lpfc_queue *drq = phba->sli4_hba.dat_rq; + struct lpfc_nvmet_tgtport *tgtp; struct hbq_dmabuf *dma_buf; uint32_t status, rq_id; unsigned long iflags; @@ -12808,7 +12885,6 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) case FC_STATUS_RQ_BUF_LEN_EXCEEDED: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "2537 Receive Frame Truncated!!\n"); - hrq->RQ_buf_trunc++; case FC_STATUS_RQ_SUCCESS: lpfc_sli4_rq_release(hrq, drq); spin_lock_irqsave(&phba->hbalock, iflags); @@ -12819,6 +12895,7 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) goto out; } hrq->RQ_rcv_buf++; + hrq->RQ_buf_posted--; memcpy(&dma_buf->cq_event.cqe.rcqe_cmpl, rcqe, sizeof(*rcqe)); /* If a NVME LS event (type 0x28), treat it as Fast path */ @@ -12832,8 +12909,21 @@ lpfc_sli4_sp_handle_rcqe(struct lpfc_hba *phba, struct lpfc_rcqe *rcqe) spin_unlock_irqrestore(&phba->hbalock, iflags); workposted = true; break; - case FC_STATUS_INSUFF_BUF_NEED_BUF: case FC_STATUS_INSUFF_BUF_FRM_DISC: + if (phba->nvmet_support) { + tgtp = phba->targetport->private; + lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, + "6402 RQE Error x%x, posted %d err_cnt " + "%d: %x %x %x\n", + status, hrq->RQ_buf_posted, + hrq->RQ_no_posted_buf, + atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_out), + atomic_read(&tgtp->xmt_fcp_release)); + } + /* fallthrough */ + + case FC_STATUS_INSUFF_BUF_NEED_BUF: hrq->RQ_no_posted_buf++; /* Post more buffers if possible */ spin_lock_irqsave(&phba->hbalock, iflags); @@ -12951,7 +13041,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, while ((cqe = lpfc_sli4_cq_get(cq))) { workposted |= lpfc_sli4_sp_handle_mcqe(phba, cqe); if (!(++ecount % cq->entry_repost)) - lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); + break; cq->CQ_mbox++; } break; @@ -12965,7 +13055,7 @@ lpfc_sli4_sp_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe, workposted |= lpfc_sli4_sp_handle_cqe(phba, cq, cqe); if (!(++ecount % cq->entry_repost)) - lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); + break; } /* Track the max number of CQEs processed in 1 EQ */ @@ -13135,6 +13225,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, struct lpfc_queue *drq; struct rqb_dmabuf *dma_buf; struct fc_frame_header *fc_hdr; + struct lpfc_nvmet_tgtport *tgtp; uint32_t status, rq_id; unsigned long iflags; uint32_t fctl, idx; @@ -13165,8 +13256,6 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, case FC_STATUS_RQ_BUF_LEN_EXCEEDED: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "6126 Receive Frame Truncated!!\n"); - hrq->RQ_buf_trunc++; - break; case FC_STATUS_RQ_SUCCESS: lpfc_sli4_rq_release(hrq, drq); spin_lock_irqsave(&phba->hbalock, iflags); @@ -13178,6 +13267,7 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, } spin_unlock_irqrestore(&phba->hbalock, iflags); hrq->RQ_rcv_buf++; + hrq->RQ_buf_posted--; fc_hdr = (struct fc_frame_header *)dma_buf->hbuf.virt; /* Just some basic sanity checks on FCP Command frame */ @@ -13200,14 +13290,23 @@ lpfc_sli4_nvmet_handle_rcqe(struct lpfc_hba *phba, struct lpfc_queue *cq, drop: lpfc_in_buf_free(phba, &dma_buf->dbuf); break; - case FC_STATUS_INSUFF_BUF_NEED_BUF: case FC_STATUS_INSUFF_BUF_FRM_DISC: + if (phba->nvmet_support) { + tgtp = phba->targetport->private; + lpfc_printf_log(phba, KERN_ERR, LOG_SLI | LOG_NVME, + "6401 RQE Error x%x, posted %d err_cnt " + "%d: %x %x %x\n", + status, hrq->RQ_buf_posted, + hrq->RQ_no_posted_buf, + atomic_read(&tgtp->rcv_fcp_cmd_in), + atomic_read(&tgtp->rcv_fcp_cmd_out), + atomic_read(&tgtp->xmt_fcp_release)); + } + /* fallthrough */ + + case FC_STATUS_INSUFF_BUF_NEED_BUF: hrq->RQ_no_posted_buf++; /* Post more buffers if possible */ - spin_lock_irqsave(&phba->hbalock, iflags); - phba->hba_flag |= HBA_POST_RECEIVE_BUFFER; - spin_unlock_irqrestore(&phba->hbalock, iflags); - workposted = true; break; } out: @@ -13361,7 +13460,7 @@ process_cq: while ((cqe = lpfc_sli4_cq_get(cq))) { workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe); if (!(++ecount % cq->entry_repost)) - lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); + break; } /* Track the max number of CQEs processed in 1 EQ */ @@ -13452,7 +13551,7 @@ lpfc_sli4_fof_handle_eqe(struct lpfc_hba *phba, struct lpfc_eqe *eqe) while ((cqe = lpfc_sli4_cq_get(cq))) { workposted |= lpfc_sli4_fp_handle_cqe(phba, cq, cqe); if (!(++ecount % cq->entry_repost)) - lpfc_sli4_cq_release(cq, LPFC_QUEUE_NOARM); + break; } /* Track the max number of CQEs processed in 1 EQ */ @@ -13534,7 +13633,7 @@ lpfc_sli4_fof_intr_handler(int irq, void *dev_id) while ((eqe = lpfc_sli4_eq_get(eq))) { lpfc_sli4_fof_handle_eqe(phba, eqe); if (!(++ecount % eq->entry_repost)) - lpfc_sli4_eq_release(eq, LPFC_QUEUE_NOARM); + break; eq->EQ_processed++; } @@ -13651,7 +13750,7 @@ lpfc_sli4_hba_intr_handler(int irq, void *dev_id) lpfc_sli4_hba_handle_eqe(phba, eqe, hba_eqidx); if (!(++ecount % fpeq->entry_repost)) - lpfc_sli4_eq_release(fpeq, LPFC_QUEUE_NOARM); + break; fpeq->EQ_processed++; } @@ -13832,17 +13931,10 @@ lpfc_sli4_queue_alloc(struct lpfc_hba *phba, uint32_t entry_size, } queue->entry_size = entry_size; queue->entry_count = entry_count; - - /* - * entry_repost is calculated based on the number of entries in the - * queue. This works out except for RQs. If buffers are NOT initially - * posted for every RQE, entry_repost should be adjusted accordingly. - */ - queue->entry_repost = (entry_count >> 3); - if (queue->entry_repost < LPFC_QUEUE_MIN_REPOST) - queue->entry_repost = LPFC_QUEUE_MIN_REPOST; queue->phba = phba; + /* entry_repost will be set during q creation */ + return queue; out_fail: lpfc_sli4_queue_free(queue); @@ -14073,6 +14165,7 @@ lpfc_eq_create(struct lpfc_hba *phba, struct lpfc_queue *eq, uint32_t imax) status = -ENXIO; eq->host_index = 0; eq->hba_index = 0; + eq->entry_repost = LPFC_EQ_REPOST; mempool_free(mbox, phba->mbox_mem_pool); return status; @@ -14146,9 +14239,9 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, default: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, "0361 Unsupported CQ count: " - "entry cnt %d sz %d pg cnt %d repost %d\n", + "entry cnt %d sz %d pg cnt %d\n", cq->entry_count, cq->entry_size, - cq->page_count, cq->entry_repost); + cq->page_count); if (cq->entry_count < 256) { status = -EINVAL; goto out; @@ -14201,6 +14294,7 @@ lpfc_cq_create(struct lpfc_hba *phba, struct lpfc_queue *cq, cq->assoc_qid = eq->queue_id; cq->host_index = 0; cq->hba_index = 0; + cq->entry_repost = LPFC_CQ_REPOST; out: mempool_free(mbox, phba->mbox_mem_pool); @@ -14392,6 +14486,7 @@ lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp, cq->assoc_qid = eq->queue_id; cq->host_index = 0; cq->hba_index = 0; + cq->entry_repost = LPFC_CQ_REPOST; rc = 0; list_for_each_entry(dmabuf, &cq->page_list, list) { @@ -14640,6 +14735,7 @@ lpfc_mq_create(struct lpfc_hba *phba, struct lpfc_queue *mq, mq->subtype = subtype; mq->host_index = 0; mq->hba_index = 0; + mq->entry_repost = LPFC_MQ_REPOST; /* link the mq onto the parent cq child list */ list_add_tail(&mq->list, &cq->child_list); @@ -14865,34 +14961,6 @@ out: } /** - * lpfc_rq_adjust_repost - Adjust entry_repost for an RQ - * @phba: HBA structure that indicates port to create a queue on. - * @rq: The queue structure to use for the receive queue. - * @qno: The associated HBQ number - * - * - * For SLI4 we need to adjust the RQ repost value based on - * the number of buffers that are initially posted to the RQ. - */ -void -lpfc_rq_adjust_repost(struct lpfc_hba *phba, struct lpfc_queue *rq, int qno) -{ - uint32_t cnt; - - /* sanity check on queue memory */ - if (!rq) - return; - cnt = lpfc_hbq_defs[qno]->entry_count; - - /* Recalc repost for RQs based on buffers initially posted */ - cnt = (cnt >> 3); - if (cnt < LPFC_QUEUE_MIN_REPOST) - cnt = LPFC_QUEUE_MIN_REPOST; - - rq->entry_repost = cnt; -} - -/** * lpfc_rq_create - Create a Receive Queue on the HBA * @phba: HBA structure that indicates port to create a queue on. * @hrq: The queue structure to use to create the header receive queue. @@ -15077,6 +15145,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, hrq->subtype = subtype; hrq->host_index = 0; hrq->hba_index = 0; + hrq->entry_repost = LPFC_RQ_REPOST; /* now create the data queue */ lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_FCOE, @@ -15087,7 +15156,12 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, if (phba->sli4_hba.pc_sli4_params.rqv == LPFC_Q_CREATE_VERSION_1) { bf_set(lpfc_rq_context_rqe_count_1, &rq_create->u.request.context, hrq->entry_count); - rq_create->u.request.context.buffer_size = LPFC_DATA_BUF_SIZE; + if (subtype == LPFC_NVMET) + rq_create->u.request.context.buffer_size = + LPFC_NVMET_DATA_BUF_SIZE; + else + rq_create->u.request.context.buffer_size = + LPFC_DATA_BUF_SIZE; bf_set(lpfc_rq_context_rqe_size, &rq_create->u.request.context, LPFC_RQE_SIZE_8); bf_set(lpfc_rq_context_page_size, &rq_create->u.request.context, @@ -15124,8 +15198,14 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, LPFC_RQ_RING_SIZE_4096); break; } - bf_set(lpfc_rq_context_buf_size, &rq_create->u.request.context, - LPFC_DATA_BUF_SIZE); + if (subtype == LPFC_NVMET) + bf_set(lpfc_rq_context_buf_size, + &rq_create->u.request.context, + LPFC_NVMET_DATA_BUF_SIZE); + else + bf_set(lpfc_rq_context_buf_size, + &rq_create->u.request.context, + LPFC_DATA_BUF_SIZE); } bf_set(lpfc_rq_context_cq_id, &rq_create->u.request.context, cq->queue_id); @@ -15158,6 +15238,7 @@ lpfc_rq_create(struct lpfc_hba *phba, struct lpfc_queue *hrq, drq->subtype = subtype; drq->host_index = 0; drq->hba_index = 0; + drq->entry_repost = LPFC_RQ_REPOST; /* link the header and data RQs onto the parent cq child list */ list_add_tail(&hrq->list, &cq->child_list); @@ -15270,7 +15351,7 @@ lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, cq->queue_id); bf_set(lpfc_rq_context_data_size, &rq_create->u.request.context, - LPFC_DATA_BUF_SIZE); + LPFC_NVMET_DATA_BUF_SIZE); bf_set(lpfc_rq_context_hdr_size, &rq_create->u.request.context, LPFC_HDR_BUF_SIZE); @@ -15315,6 +15396,7 @@ lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, hrq->subtype = subtype; hrq->host_index = 0; hrq->hba_index = 0; + hrq->entry_repost = LPFC_RQ_REPOST; drq->db_format = LPFC_DB_RING_FORMAT; drq->db_regaddr = phba->sli4_hba.RQDBregaddr; @@ -15323,6 +15405,7 @@ lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, drq->subtype = subtype; drq->host_index = 0; drq->hba_index = 0; + drq->entry_repost = LPFC_RQ_REPOST; list_add_tail(&hrq->list, &cq->child_list); list_add_tail(&drq->list, &cq->child_list); @@ -16063,6 +16146,8 @@ lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) struct fc_vft_header *fc_vft_hdr; uint32_t *header = (uint32_t *) fc_hdr; +#define FC_RCTL_MDS_DIAGS 0xF4 + switch (fc_hdr->fh_r_ctl) { case FC_RCTL_DD_UNCAT: /* uncategorized information */ case FC_RCTL_DD_SOL_DATA: /* solicited data */ @@ -16090,6 +16175,7 @@ lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) case FC_RCTL_F_BSY: /* fabric busy to data frame */ case FC_RCTL_F_BSYL: /* fabric busy to link control frame */ case FC_RCTL_LCR: /* link credit reset */ + case FC_RCTL_MDS_DIAGS: /* MDS Diagnostics */ case FC_RCTL_END: /* end */ break; case FC_RCTL_VFTH: /* Virtual Fabric tagging Header */ @@ -16099,12 +16185,16 @@ lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) default: goto drop; } + +#define FC_TYPE_VENDOR_UNIQUE 0xFF + switch (fc_hdr->fh_type) { case FC_TYPE_BLS: case FC_TYPE_ELS: case FC_TYPE_FCP: case FC_TYPE_CT: case FC_TYPE_NVME: + case FC_TYPE_VENDOR_UNIQUE: break; case FC_TYPE_IP: case FC_TYPE_ILS: @@ -16115,12 +16205,14 @@ lpfc_fc_frame_check(struct lpfc_hba *phba, struct fc_frame_header *fc_hdr) lpfc_printf_log(phba, KERN_INFO, LOG_ELS, "2538 Received frame rctl:%s (x%x), type:%s (x%x), " "frame Data:%08x %08x %08x %08x %08x %08x %08x\n", + (fc_hdr->fh_r_ctl == FC_RCTL_MDS_DIAGS) ? "MDS Diags" : lpfc_rctl_names[fc_hdr->fh_r_ctl], fc_hdr->fh_r_ctl, - lpfc_type_names[fc_hdr->fh_type], fc_hdr->fh_type, - be32_to_cpu(header[0]), be32_to_cpu(header[1]), - be32_to_cpu(header[2]), be32_to_cpu(header[3]), - be32_to_cpu(header[4]), be32_to_cpu(header[5]), - be32_to_cpu(header[6])); + (fc_hdr->fh_type == FC_TYPE_VENDOR_UNIQUE) ? + "Vendor Unique" : lpfc_type_names[fc_hdr->fh_type], + fc_hdr->fh_type, be32_to_cpu(header[0]), + be32_to_cpu(header[1]), be32_to_cpu(header[2]), + be32_to_cpu(header[3]), be32_to_cpu(header[4]), + be32_to_cpu(header[5]), be32_to_cpu(header[6])); return 0; drop: lpfc_printf_log(phba, KERN_WARNING, LOG_ELS, @@ -16926,6 +17018,96 @@ lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport, lpfc_sli_release_iocbq(phba, iocbq); } +static void +lpfc_sli4_mds_loopback_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, + struct lpfc_iocbq *rspiocb) +{ + struct lpfc_dmabuf *pcmd = cmdiocb->context2; + + if (pcmd && pcmd->virt) + pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); + kfree(pcmd); + lpfc_sli_release_iocbq(phba, cmdiocb); +} + +static void +lpfc_sli4_handle_mds_loopback(struct lpfc_vport *vport, + struct hbq_dmabuf *dmabuf) +{ + struct fc_frame_header *fc_hdr; + struct lpfc_hba *phba = vport->phba; + struct lpfc_iocbq *iocbq = NULL; + union lpfc_wqe *wqe; + struct lpfc_dmabuf *pcmd = NULL; + uint32_t frame_len; + int rc; + + fc_hdr = (struct fc_frame_header *)dmabuf->hbuf.virt; + frame_len = bf_get(lpfc_rcqe_length, &dmabuf->cq_event.cqe.rcqe_cmpl); + + /* Send the received frame back */ + iocbq = lpfc_sli_get_iocbq(phba); + if (!iocbq) + goto exit; + + /* Allocate buffer for command payload */ + pcmd = kmalloc(sizeof(struct lpfc_dmabuf), GFP_KERNEL); + if (pcmd) + pcmd->virt = pci_pool_alloc(phba->lpfc_drb_pool, GFP_KERNEL, + &pcmd->phys); + if (!pcmd || !pcmd->virt) + goto exit; + + INIT_LIST_HEAD(&pcmd->list); + + /* copyin the payload */ + memcpy(pcmd->virt, dmabuf->dbuf.virt, frame_len); + + /* fill in BDE's for command */ + iocbq->iocb.un.xseq64.bdl.addrHigh = putPaddrHigh(pcmd->phys); + iocbq->iocb.un.xseq64.bdl.addrLow = putPaddrLow(pcmd->phys); + iocbq->iocb.un.xseq64.bdl.bdeFlags = BUFF_TYPE_BDE_64; + iocbq->iocb.un.xseq64.bdl.bdeSize = frame_len; + + iocbq->context2 = pcmd; + iocbq->vport = vport; + iocbq->iocb_flag &= ~LPFC_FIP_ELS_ID_MASK; + iocbq->iocb_flag |= LPFC_USE_FCPWQIDX; + + /* + * Setup rest of the iocb as though it were a WQE + * Build the SEND_FRAME WQE + */ + wqe = (union lpfc_wqe *)&iocbq->iocb; + + wqe->send_frame.frame_len = frame_len; + wqe->send_frame.fc_hdr_wd0 = be32_to_cpu(*((uint32_t *)fc_hdr)); + wqe->send_frame.fc_hdr_wd1 = be32_to_cpu(*((uint32_t *)fc_hdr + 1)); + wqe->send_frame.fc_hdr_wd2 = be32_to_cpu(*((uint32_t *)fc_hdr + 2)); + wqe->send_frame.fc_hdr_wd3 = be32_to_cpu(*((uint32_t *)fc_hdr + 3)); + wqe->send_frame.fc_hdr_wd4 = be32_to_cpu(*((uint32_t *)fc_hdr + 4)); + wqe->send_frame.fc_hdr_wd5 = be32_to_cpu(*((uint32_t *)fc_hdr + 5)); + + iocbq->iocb.ulpCommand = CMD_SEND_FRAME; + iocbq->iocb.ulpLe = 1; + iocbq->iocb_cmpl = lpfc_sli4_mds_loopback_cmpl; + rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, iocbq, 0); + if (rc == IOCB_ERROR) + goto exit; + + lpfc_in_buf_free(phba, &dmabuf->dbuf); + return; + +exit: + lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, + "2023 Unable to process MDS loopback frame\n"); + if (pcmd && pcmd->virt) + pci_pool_free(phba->lpfc_drb_pool, pcmd->virt, pcmd->phys); + kfree(pcmd); + lpfc_sli_release_iocbq(phba, iocbq); + lpfc_in_buf_free(phba, &dmabuf->dbuf); +} + /** * lpfc_sli4_handle_received_buffer - Handle received buffers from firmware * @phba: Pointer to HBA context object. @@ -16964,6 +17146,13 @@ lpfc_sli4_handle_received_buffer(struct lpfc_hba *phba, fcfi = bf_get(lpfc_rcqe_fcf_id, &dmabuf->cq_event.cqe.rcqe_cmpl); + if (fc_hdr->fh_r_ctl == 0xF4 && fc_hdr->fh_type == 0xFF) { + vport = phba->pport; + /* Handle MDS Loopback frames */ + lpfc_sli4_handle_mds_loopback(vport, dmabuf); + return; + } + /* d_id this frame is directed to */ did = sli4_did_from_fc_hdr(fc_hdr); @@ -17137,6 +17326,14 @@ lpfc_sli4_post_rpi_hdr(struct lpfc_hba *phba, struct lpfc_rpi_hdr *rpi_page) "status x%x add_status x%x, mbx status x%x\n", shdr_status, shdr_add_status, rc); rc = -ENXIO; + } else { + /* + * The next_rpi stores the next logical module-64 rpi value used + * to post physical rpis in subsequent rpi postings. + */ + spin_lock_irq(&phba->hbalock); + phba->sli4_hba.next_rpi = rpi_page->next_rpi; + spin_unlock_irq(&phba->hbalock); } return rc; } @@ -18717,7 +18914,7 @@ lpfc_sli4_issue_wqe(struct lpfc_hba *phba, uint32_t ring_number, spin_lock_irqsave(&pring->ring_lock, iflags); ctxp = pwqe->context2; - sglq = ctxp->rqb_buffer->sglq; + sglq = ctxp->ctxbuf->sglq; if (pwqe->sli4_xritag == NO_XRI) { pwqe->sli4_lxritag = sglq->sli4_lxritag; pwqe->sli4_xritag = sglq->sli4_xritag; diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index da46471337c8..cf863db27700 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -24,7 +24,6 @@ #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000 -#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 #define LPFC_RPI_LOW_WATER_MARK 10 #define LPFC_UNREG_FCF 1 @@ -155,7 +154,11 @@ struct lpfc_queue { uint32_t entry_count; /* Number of entries to support on the queue */ uint32_t entry_size; /* Size of each queue entry. */ uint32_t entry_repost; /* Count of entries before doorbell is rung */ -#define LPFC_QUEUE_MIN_REPOST 8 +#define LPFC_EQ_REPOST 8 +#define LPFC_MQ_REPOST 8 +#define LPFC_CQ_REPOST 64 +#define LPFC_RQ_REPOST 64 +#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32 /* For WQs */ uint32_t queue_id; /* Queue ID assigned by the hardware */ uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */ uint32_t page_count; /* Number of pages allocated for this queue */ @@ -195,7 +198,7 @@ struct lpfc_queue { /* defines for RQ stats */ #define RQ_no_posted_buf q_cnt_1 #define RQ_no_buf_found q_cnt_2 -#define RQ_buf_trunc q_cnt_3 +#define RQ_buf_posted q_cnt_3 #define RQ_rcv_buf q_cnt_4 uint64_t isr_timestamp; @@ -617,12 +620,17 @@ struct lpfc_sli4_hba { uint16_t scsi_xri_start; uint16_t els_xri_cnt; uint16_t nvmet_xri_cnt; + uint16_t nvmet_ctx_cnt; + uint16_t nvmet_io_wait_cnt; + uint16_t nvmet_io_wait_total; struct list_head lpfc_els_sgl_list; struct list_head lpfc_abts_els_sgl_list; struct list_head lpfc_nvmet_sgl_list; struct list_head lpfc_abts_nvmet_ctx_list; struct list_head lpfc_abts_scsi_buf_list; struct list_head lpfc_abts_nvme_buf_list; + struct list_head lpfc_nvmet_ctx_list; + struct list_head lpfc_nvmet_io_wait_list; struct lpfc_sglq **lpfc_sglq_active_list; struct list_head lpfc_rpi_hdr_list; unsigned long *rpi_bmask; @@ -654,6 +662,7 @@ struct lpfc_sli4_hba { spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */ spinlock_t sgl_list_lock; /* list of aborted els IOs */ spinlock_t nvmet_io_lock; + spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */ uint32_t physical_port; /* CPU to vector mapping information */ @@ -661,8 +670,6 @@ struct lpfc_sli4_hba { uint16_t num_online_cpu; uint16_t num_present_cpu; uint16_t curr_disp_cpu; - - uint16_t nvmet_mrq_post_idx; }; enum lpfc_sge_type { @@ -698,6 +705,7 @@ struct lpfc_rpi_hdr { struct lpfc_dmabuf *dmabuf; uint32_t page_count; uint32_t start_rpi; + uint16_t next_rpi; }; struct lpfc_rsrc_blks { @@ -762,7 +770,6 @@ int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *, int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, struct lpfc_queue **drqp, struct lpfc_queue **cqp, uint32_t subtype); -void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int); int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *); int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *); int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *); diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 1c26dc67151b..c2653244221c 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -20,7 +20,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "11.2.0.12" +#define LPFC_DRIVER_VERSION "11.2.0.14" #define LPFC_DRIVER_NAME "lpfc" /* Used for SLI 2/3 */ diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index e31f1cc90b81..99e16ac479e3 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -1851,7 +1851,7 @@ static int scsi_mq_prep_fn(struct request *req) /* zero out the cmd, except for the embedded scsi_request */ memset((char *)cmd + sizeof(cmd->req), 0, - sizeof(*cmd) - sizeof(cmd->req)); + sizeof(*cmd) - sizeof(cmd->req) + shost->hostt->cmd_size); req->special = cmd; diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index f9d1432d7cc5..b6bb4e0ce0e3 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -827,21 +827,32 @@ static int sd_setup_write_zeroes_cmnd(struct scsi_cmnd *cmd) struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); u64 sector = blk_rq_pos(rq) >> (ilog2(sdp->sector_size) - 9); u32 nr_sectors = blk_rq_sectors(rq) >> (ilog2(sdp->sector_size) - 9); + int ret; if (!(rq->cmd_flags & REQ_NOUNMAP)) { switch (sdkp->zeroing_mode) { case SD_ZERO_WS16_UNMAP: - return sd_setup_write_same16_cmnd(cmd, true); + ret = sd_setup_write_same16_cmnd(cmd, true); + goto out; case SD_ZERO_WS10_UNMAP: - return sd_setup_write_same10_cmnd(cmd, true); + ret = sd_setup_write_same10_cmnd(cmd, true); + goto out; } } if (sdp->no_write_same) return BLKPREP_INVALID; + if (sdkp->ws16 || sector > 0xffffffff || nr_sectors > 0xffff) - return sd_setup_write_same16_cmnd(cmd, false); - return sd_setup_write_same10_cmnd(cmd, false); + ret = sd_setup_write_same16_cmnd(cmd, false); + else + ret = sd_setup_write_same10_cmnd(cmd, false); + +out: + if (sd_is_zoned(sdkp) && ret == BLKPREP_OK) + return sd_zbc_write_lock_zone(cmd); + + return ret; } static void sd_config_write_same(struct scsi_disk *sdkp) @@ -948,6 +959,10 @@ static int sd_setup_write_same_cmnd(struct scsi_cmnd *cmd) rq->__data_len = sdp->sector_size; ret = scsi_init_io(cmd); rq->__data_len = nr_bytes; + + if (sd_is_zoned(sdkp) && ret != BLKPREP_OK) + sd_zbc_write_unlock_zone(cmd); + return ret; } @@ -1567,17 +1582,21 @@ out: return retval; } -static int sd_sync_cache(struct scsi_disk *sdkp) +static int sd_sync_cache(struct scsi_disk *sdkp, struct scsi_sense_hdr *sshdr) { int retries, res; struct scsi_device *sdp = sdkp->device; const int timeout = sdp->request_queue->rq_timeout * SD_FLUSH_TIMEOUT_MULTIPLIER; - struct scsi_sense_hdr sshdr; + struct scsi_sense_hdr my_sshdr; if (!scsi_device_online(sdp)) return -ENODEV; + /* caller might not be interested in sense, but we need it */ + if (!sshdr) + sshdr = &my_sshdr; + for (retries = 3; retries > 0; --retries) { unsigned char cmd[10] = { 0 }; @@ -1586,7 +1605,7 @@ static int sd_sync_cache(struct scsi_disk *sdkp) * Leave the rest of the command zero to indicate * flush everything. */ - res = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, &sshdr, + res = scsi_execute(sdp, cmd, DMA_NONE, NULL, 0, NULL, sshdr, timeout, SD_MAX_RETRIES, 0, RQF_PM, NULL); if (res == 0) break; @@ -1596,11 +1615,12 @@ static int sd_sync_cache(struct scsi_disk *sdkp) sd_print_result(sdkp, "Synchronize Cache(10) failed", res); if (driver_byte(res) & DRIVER_SENSE) - sd_print_sense_hdr(sdkp, &sshdr); + sd_print_sense_hdr(sdkp, sshdr); + /* we need to evaluate the error return */ - if (scsi_sense_valid(&sshdr) && - (sshdr.asc == 0x3a || /* medium not present */ - sshdr.asc == 0x20)) /* invalid command */ + if (scsi_sense_valid(sshdr) && + (sshdr->asc == 0x3a || /* medium not present */ + sshdr->asc == 0x20)) /* invalid command */ /* this is no error here */ return 0; @@ -3444,7 +3464,7 @@ static void sd_shutdown(struct device *dev) if (sdkp->WCE && sdkp->media_present) { sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n"); - sd_sync_cache(sdkp); + sd_sync_cache(sdkp, NULL); } if (system_state != SYSTEM_RESTART && sdkp->device->manage_start_stop) { @@ -3456,6 +3476,7 @@ static void sd_shutdown(struct device *dev) static int sd_suspend_common(struct device *dev, bool ignore_stop_errors) { struct scsi_disk *sdkp = dev_get_drvdata(dev); + struct scsi_sense_hdr sshdr; int ret = 0; if (!sdkp) /* E.g.: runtime suspend following sd_remove() */ @@ -3463,12 +3484,23 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors) if (sdkp->WCE && sdkp->media_present) { sd_printk(KERN_NOTICE, sdkp, "Synchronizing SCSI cache\n"); - ret = sd_sync_cache(sdkp); + ret = sd_sync_cache(sdkp, &sshdr); + if (ret) { /* ignore OFFLINE device */ if (ret == -ENODEV) - ret = 0; - goto done; + return 0; + + if (!scsi_sense_valid(&sshdr) || + sshdr.sense_key != ILLEGAL_REQUEST) + return ret; + + /* + * sshdr.sense_key == ILLEGAL_REQUEST means this drive + * doesn't support sync. There's not much to do and + * suspend shouldn't fail. + */ + ret = 0; } } @@ -3480,7 +3512,6 @@ static int sd_suspend_common(struct device *dev, bool ignore_stop_errors) ret = 0; } -done: return ret; } diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 0a38ba01b7b4..82c33a6edbea 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -2074,11 +2074,12 @@ sg_get_rq_mark(Sg_fd * sfp, int pack_id) if ((1 == resp->done) && (!resp->sg_io_owned) && ((-1 == pack_id) || (resp->header.pack_id == pack_id))) { resp->done = 2; /* guard against other readers */ - break; + write_unlock_irqrestore(&sfp->rq_list_lock, iflags); + return resp; } } write_unlock_irqrestore(&sfp->rq_list_lock, iflags); - return resp; + return NULL; } /* always adds to end of list */ diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index abc7e87937cc..ffe8d8608818 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -7698,6 +7698,12 @@ static inline void ufshcd_add_sysfs_nodes(struct ufs_hba *hba) ufshcd_add_spm_lvl_sysfs_nodes(hba); } +static inline void ufshcd_remove_sysfs_nodes(struct ufs_hba *hba) +{ + device_remove_file(hba->dev, &hba->rpm_lvl_attr); + device_remove_file(hba->dev, &hba->spm_lvl_attr); +} + /** * ufshcd_shutdown - shutdown routine * @hba: per adapter instance @@ -7735,6 +7741,7 @@ EXPORT_SYMBOL(ufshcd_shutdown); */ void ufshcd_remove(struct ufs_hba *hba) { + ufshcd_remove_sysfs_nodes(hba); scsi_remove_host(hba->host); /* disable interrupts */ ufshcd_disable_intr(hba, hba->intr_mask); diff --git a/drivers/thermal/broadcom/Kconfig b/drivers/thermal/broadcom/Kconfig index ab08af4654ef..42c098e86f84 100644 --- a/drivers/thermal/broadcom/Kconfig +++ b/drivers/thermal/broadcom/Kconfig @@ -9,8 +9,9 @@ config BCM2835_THERMAL config BCM_NS_THERMAL tristate "Northstar thermal driver" depends on ARCH_BCM_IPROC || COMPILE_TEST + default y if ARCH_BCM_IPROC help - Northstar is a family of SoCs that includes e.g. BCM4708, BCM47081, - BCM4709 and BCM47094. It contains DMU (Device Management Unit) block - with a thermal sensor that allows checking CPU temperature. This - driver provides support for it. + Support for the Northstar and Northstar Plus family of SoCs (e.g. + BCM4708, BCM4709, BCM5301x, BCM95852X, etc). It contains DMU (Device + Management Unit) block with a thermal sensor that allows checking CPU + temperature. diff --git a/drivers/thermal/qoriq_thermal.c b/drivers/thermal/qoriq_thermal.c index 644ba526d9ea..4362a69ac88d 100644 --- a/drivers/thermal/qoriq_thermal.c +++ b/drivers/thermal/qoriq_thermal.c @@ -195,7 +195,6 @@ static struct thermal_zone_of_device_ops tmu_tz_ops = { static int qoriq_tmu_probe(struct platform_device *pdev) { int ret; - const struct thermal_trip *trip; struct qoriq_tmu_data *data; struct device_node *np = pdev->dev.of_node; u32 site = 0; @@ -243,8 +242,6 @@ static int qoriq_tmu_probe(struct platform_device *pdev) goto err_tmu; } - trip = of_thermal_get_trip_points(data->tz); - /* Enable monitoring */ site |= 0x1 << (15 - data->sensor_id); tmu_write(data, site | TMR_ME | TMR_ALPF, &data->regs->tmr); diff --git a/drivers/thermal/thermal_core.c b/drivers/thermal/thermal_core.c index b21b9cc2c8d6..5a51c740e372 100644 --- a/drivers/thermal/thermal_core.c +++ b/drivers/thermal/thermal_core.c @@ -359,7 +359,7 @@ static DECLARE_DELAYED_WORK(thermal_emergency_poweroff_work, * This may be called from any critical situation to trigger a system shutdown * after a known period of time. By default this is not scheduled. */ -void thermal_emergency_poweroff(void) +static void thermal_emergency_poweroff(void) { int poweroff_delay_ms = CONFIG_THERMAL_EMERGENCY_POWEROFF_DELAY_MS; /* diff --git a/drivers/thermal/ti-soc-thermal/ti-bandgap.c b/drivers/thermal/ti-soc-thermal/ti-bandgap.c index ba9c302454fb..696ab3046b87 100644 --- a/drivers/thermal/ti-soc-thermal/ti-bandgap.c +++ b/drivers/thermal/ti-soc-thermal/ti-bandgap.c @@ -1010,7 +1010,7 @@ ti_bandgap_force_single_read(struct ti_bandgap *bgp, int id) } /** - * ti_bandgap_set_continous_mode() - One time enabling of continuous mode + * ti_bandgap_set_continuous_mode() - One time enabling of continuous mode * @bgp: pointer to struct ti_bandgap * * Call this function only if HAS(MODE_CONFIG) is set. As this driver may @@ -1214,22 +1214,18 @@ static struct ti_bandgap *ti_bandgap_build(struct platform_device *pdev) } bgp = devm_kzalloc(&pdev->dev, sizeof(*bgp), GFP_KERNEL); - if (!bgp) { - dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n"); + if (!bgp) return ERR_PTR(-ENOMEM); - } of_id = of_match_device(of_ti_bandgap_match, &pdev->dev); if (of_id) bgp->conf = of_id->data; /* register shadow for context save and restore */ - bgp->regval = devm_kzalloc(&pdev->dev, sizeof(*bgp->regval) * - bgp->conf->sensor_count, GFP_KERNEL); - if (!bgp->regval) { - dev_err(&pdev->dev, "Unable to allocate mem for driver ref\n"); + bgp->regval = devm_kcalloc(&pdev->dev, bgp->conf->sensor_count, + sizeof(*bgp->regval), GFP_KERNEL); + if (!bgp->regval) return ERR_PTR(-ENOMEM); - } i = 0; do { diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c index 7ac9bcdf1e61..61fe8d6fd24e 100644 --- a/drivers/tty/ehv_bytechan.c +++ b/drivers/tty/ehv_bytechan.c @@ -764,7 +764,7 @@ static int __init ehv_bc_init(void) ehv_bc_driver = alloc_tty_driver(count); if (!ehv_bc_driver) { ret = -ENOMEM; - goto error; + goto err_free_bcs; } ehv_bc_driver->driver_name = "ehv-bc"; @@ -778,24 +778,23 @@ static int __init ehv_bc_init(void) ret = tty_register_driver(ehv_bc_driver); if (ret) { pr_err("ehv-bc: could not register tty driver (ret=%i)\n", ret); - goto error; + goto err_put_tty_driver; } ret = platform_driver_register(&ehv_bc_tty_driver); if (ret) { pr_err("ehv-bc: could not register platform driver (ret=%i)\n", ret); - goto error; + goto err_deregister_tty_driver; } return 0; -error: - if (ehv_bc_driver) { - tty_unregister_driver(ehv_bc_driver); - put_tty_driver(ehv_bc_driver); - } - +err_deregister_tty_driver: + tty_unregister_driver(ehv_bc_driver); +err_put_tty_driver: + put_tty_driver(ehv_bc_driver); +err_free_bcs: kfree(bcs); return ret; diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 433de5ea9b02..f71b47334149 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -122,6 +122,18 @@ void serdev_device_write_wakeup(struct serdev_device *serdev) } EXPORT_SYMBOL_GPL(serdev_device_write_wakeup); +int serdev_device_write_buf(struct serdev_device *serdev, + const unsigned char *buf, size_t count) +{ + struct serdev_controller *ctrl = serdev->ctrl; + + if (!ctrl || !ctrl->ops->write_buf) + return -EINVAL; + + return ctrl->ops->write_buf(ctrl, buf, count); +} +EXPORT_SYMBOL_GPL(serdev_device_write_buf); + int serdev_device_write(struct serdev_device *serdev, const unsigned char *buf, size_t count, unsigned long timeout) diff --git a/drivers/tty/serdev/serdev-ttyport.c b/drivers/tty/serdev/serdev-ttyport.c index 487c88f6aa0e..d0a021c93986 100644 --- a/drivers/tty/serdev/serdev-ttyport.c +++ b/drivers/tty/serdev/serdev-ttyport.c @@ -102,9 +102,6 @@ static int ttyport_open(struct serdev_controller *ctrl) return PTR_ERR(tty); serport->tty = tty; - serport->port->client_ops = &client_ops; - serport->port->client_data = ctrl; - if (tty->ops->open) tty->ops->open(serport->tty, NULL); else @@ -215,6 +212,7 @@ struct device *serdev_tty_port_register(struct tty_port *port, struct device *parent, struct tty_driver *drv, int idx) { + const struct tty_port_client_operations *old_ops; struct serdev_controller *ctrl; struct serport *serport; int ret; @@ -233,28 +231,37 @@ struct device *serdev_tty_port_register(struct tty_port *port, ctrl->ops = &ctrl_ops; + old_ops = port->client_ops; + port->client_ops = &client_ops; + port->client_data = ctrl; + ret = serdev_controller_add(ctrl); if (ret) - goto err_controller_put; + goto err_reset_data; dev_info(&ctrl->dev, "tty port %s%d registered\n", drv->name, idx); return &ctrl->dev; -err_controller_put: +err_reset_data: + port->client_data = NULL; + port->client_ops = old_ops; serdev_controller_put(ctrl); + return ERR_PTR(ret); } -void serdev_tty_port_unregister(struct tty_port *port) +int serdev_tty_port_unregister(struct tty_port *port) { struct serdev_controller *ctrl = port->client_data; struct serport *serport = serdev_controller_get_drvdata(ctrl); if (!serport) - return; + return -ENODEV; serdev_controller_remove(ctrl); port->client_ops = NULL; port->client_data = NULL; serdev_controller_put(ctrl); + + return 0; } diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c index 09a65a3ec7f7..68fd045a7025 100644 --- a/drivers/tty/serial/8250/8250_port.c +++ b/drivers/tty/serial/8250/8250_port.c @@ -47,6 +47,7 @@ /* * These are definitions for the Exar XR17V35X and XR17(C|D)15X */ +#define UART_EXAR_INT0 0x80 #define UART_EXAR_SLEEP 0x8b /* Sleep mode */ #define UART_EXAR_DVID 0x8d /* Device identification */ @@ -1337,7 +1338,7 @@ out_lock: /* * Check if the device is a Fintek F81216A */ - if (port->type == PORT_16550A) + if (port->type == PORT_16550A && port->iotype == UPIO_PORT) fintek_8250_probe(up); if (up->capabilities != old_capabilities) { @@ -1869,17 +1870,13 @@ static int serial8250_default_handle_irq(struct uart_port *port) static int exar_handle_irq(struct uart_port *port) { unsigned int iir = serial_port_in(port, UART_IIR); - int ret; + int ret = 0; - ret = serial8250_handle_irq(port, iir); + if (((port->type == PORT_XR17V35X) || (port->type == PORT_XR17D15X)) && + serial_port_in(port, UART_EXAR_INT0) != 0) + ret = 1; - if ((port->type == PORT_XR17V35X) || - (port->type == PORT_XR17D15X)) { - serial_port_in(port, 0x80); - serial_port_in(port, 0x81); - serial_port_in(port, 0x82); - serial_port_in(port, 0x83); - } + ret |= serial8250_handle_irq(port, iir); return ret; } @@ -2177,6 +2174,8 @@ int serial8250_do_startup(struct uart_port *port) serial_port_in(port, UART_RX); serial_port_in(port, UART_IIR); serial_port_in(port, UART_MSR); + if ((port->type == PORT_XR17V35X) || (port->type == PORT_XR17D15X)) + serial_port_in(port, UART_EXAR_INT0); /* * At this point, there's no way the LSR could still be 0xff; @@ -2335,6 +2334,8 @@ dont_test_tx_en: serial_port_in(port, UART_RX); serial_port_in(port, UART_IIR); serial_port_in(port, UART_MSR); + if ((port->type == PORT_XR17V35X) || (port->type == PORT_XR17D15X)) + serial_port_in(port, UART_EXAR_INT0); up->lsr_saved_flags = 0; up->msr_saved_flags = 0; diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c index 18e3f8342b85..0475f5d261ce 100644 --- a/drivers/tty/serial/altera_jtaguart.c +++ b/drivers/tty/serial/altera_jtaguart.c @@ -478,6 +478,7 @@ static int altera_jtaguart_remove(struct platform_device *pdev) port = &altera_jtaguart_ports[i].port; uart_remove_one_port(&altera_jtaguart_driver, port); + iounmap(port->membase); return 0; } diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c index 46d3438a0d27..3e4b717670d7 100644 --- a/drivers/tty/serial/altera_uart.c +++ b/drivers/tty/serial/altera_uart.c @@ -615,6 +615,7 @@ static int altera_uart_remove(struct platform_device *pdev) if (port) { uart_remove_one_port(&altera_uart_driver, port); port->mapbase = 0; + iounmap(port->membase); } return 0; diff --git a/drivers/tty/serial/efm32-uart.c b/drivers/tty/serial/efm32-uart.c index ebd8569f9ad5..9fff25be87f9 100644 --- a/drivers/tty/serial/efm32-uart.c +++ b/drivers/tty/serial/efm32-uart.c @@ -27,6 +27,7 @@ #define UARTn_FRAME 0x04 #define UARTn_FRAME_DATABITS__MASK 0x000f #define UARTn_FRAME_DATABITS(n) ((n) - 3) +#define UARTn_FRAME_PARITY__MASK 0x0300 #define UARTn_FRAME_PARITY_NONE 0x0000 #define UARTn_FRAME_PARITY_EVEN 0x0200 #define UARTn_FRAME_PARITY_ODD 0x0300 @@ -572,12 +573,16 @@ static void efm32_uart_console_get_options(struct efm32_uart_port *efm_port, 16 * (4 + (clkdiv >> 6))); frame = efm32_uart_read32(efm_port, UARTn_FRAME); - if (frame & UARTn_FRAME_PARITY_ODD) + switch (frame & UARTn_FRAME_PARITY__MASK) { + case UARTn_FRAME_PARITY_ODD: *parity = 'o'; - else if (frame & UARTn_FRAME_PARITY_EVEN) + break; + case UARTn_FRAME_PARITY_EVEN: *parity = 'e'; - else + break; + default: *parity = 'n'; + } *bits = (frame & UARTn_FRAME_DATABITS__MASK) - UARTn_FRAME_DATABITS(4) + 4; diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c index 157883653256..f190a84a0246 100644 --- a/drivers/tty/serial/ifx6x60.c +++ b/drivers/tty/serial/ifx6x60.c @@ -1382,9 +1382,9 @@ static struct spi_driver ifx_spi_driver = { static void __exit ifx_spi_exit(void) { /* unregister */ + spi_unregister_driver(&ifx_spi_driver); tty_unregister_driver(tty_drv); put_tty_driver(tty_drv); - spi_unregister_driver(&ifx_spi_driver); unregister_reboot_notifier(&ifx_modem_reboot_notifier_block); } diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index 33509b4beaec..bbefddd92bfe 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -2184,7 +2184,9 @@ static int serial_imx_probe(struct platform_device *pdev) * and DCD (when they are outputs) or enables the respective * irqs. So set this bit early, i.e. before requesting irqs. */ - writel(UFCR_DCEDTE, sport->port.membase + UFCR); + reg = readl(sport->port.membase + UFCR); + if (!(reg & UFCR_DCEDTE)) + writel(reg | UFCR_DCEDTE, sport->port.membase + UFCR); /* * Disable UCR3_RI and UCR3_DCD irqs. They are also not @@ -2195,7 +2197,15 @@ static int serial_imx_probe(struct platform_device *pdev) sport->port.membase + UCR3); } else { - writel(0, sport->port.membase + UFCR); + unsigned long ucr3 = UCR3_DSR; + + reg = readl(sport->port.membase + UFCR); + if (reg & UFCR_DCEDTE) + writel(reg & ~UFCR_DCEDTE, sport->port.membase + UFCR); + + if (!is_imx1_uart(sport)) + ucr3 |= IMX21_UCR3_RXDMUXSEL | UCR3_ADNIMP; + writel(ucr3, sport->port.membase + UCR3); } clk_disable_unprepare(sport->clk_ipg); diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 0f45b7884a2c..13bfd5dcffce 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -2083,7 +2083,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) mutex_lock(&port->mutex); tty_dev = device_find_child(uport->dev, &match, serial_match_port); - if (device_may_wakeup(tty_dev)) { + if (tty_dev && device_may_wakeup(tty_dev)) { if (!enable_irq_wake(uport->irq)) uport->irq_wake = 1; put_device(tty_dev); @@ -2782,7 +2782,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *uport) * Register the port whether it's detected or not. This allows * setserial to be used to alter this port's parameters. */ - tty_dev = tty_port_register_device_attr(port, drv->tty_driver, + tty_dev = tty_port_register_device_attr_serdev(port, drv->tty_driver, uport->line, uport->dev, port, uport->tty_groups); if (likely(!IS_ERR(tty_dev))) { device_set_wakeup_capable(tty_dev, 1); @@ -2845,7 +2845,7 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *uport) /* * Remove the devices from the tty layer */ - tty_unregister_device(drv->tty_driver, uport->line); + tty_port_unregister_device(port, drv->tty_driver, uport->line); tty = tty_port_tty_get(port); if (tty) { diff --git a/drivers/tty/tty_port.c b/drivers/tty/tty_port.c index 1d21a9c1d33e..4fb3165384c4 100644 --- a/drivers/tty/tty_port.c +++ b/drivers/tty/tty_port.c @@ -34,7 +34,9 @@ static int tty_port_default_receive_buf(struct tty_port *port, if (!disc) return 0; + mutex_lock(&tty->atomic_write_lock); ret = tty_ldisc_receive_buf(disc, p, (char *)f, count); + mutex_unlock(&tty->atomic_write_lock); tty_ldisc_deref(disc); @@ -129,19 +131,85 @@ struct device *tty_port_register_device_attr(struct tty_port *port, struct device *device, void *drvdata, const struct attribute_group **attr_grp) { + tty_port_link_device(port, driver, index); + return tty_register_device_attr(driver, index, device, drvdata, + attr_grp); +} +EXPORT_SYMBOL_GPL(tty_port_register_device_attr); + +/** + * tty_port_register_device_attr_serdev - register tty or serdev device + * @port: tty_port of the device + * @driver: tty_driver for this device + * @index: index of the tty + * @device: parent if exists, otherwise NULL + * @drvdata: driver data for the device + * @attr_grp: attribute group for the device + * + * Register a serdev or tty device depending on if the parent device has any + * defined serdev clients or not. + */ +struct device *tty_port_register_device_attr_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device, void *drvdata, + const struct attribute_group **attr_grp) +{ struct device *dev; tty_port_link_device(port, driver, index); dev = serdev_tty_port_register(port, device, driver, index); - if (PTR_ERR(dev) != -ENODEV) + if (PTR_ERR(dev) != -ENODEV) { /* Skip creating cdev if we registered a serdev device */ return dev; + } return tty_register_device_attr(driver, index, device, drvdata, attr_grp); } -EXPORT_SYMBOL_GPL(tty_port_register_device_attr); +EXPORT_SYMBOL_GPL(tty_port_register_device_attr_serdev); + +/** + * tty_port_register_device_serdev - register tty or serdev device + * @port: tty_port of the device + * @driver: tty_driver for this device + * @index: index of the tty + * @device: parent if exists, otherwise NULL + * + * Register a serdev or tty device depending on if the parent device has any + * defined serdev clients or not. + */ +struct device *tty_port_register_device_serdev(struct tty_port *port, + struct tty_driver *driver, unsigned index, + struct device *device) +{ + return tty_port_register_device_attr_serdev(port, driver, index, + device, NULL, NULL); +} +EXPORT_SYMBOL_GPL(tty_port_register_device_serdev); + +/** + * tty_port_unregister_device - deregister a tty or serdev device + * @port: tty_port of the device + * @driver: tty_driver for this device + * @index: index of the tty + * + * If a tty or serdev device is registered with a call to + * tty_port_register_device_serdev() then this function must be called when + * the device is gone. + */ +void tty_port_unregister_device(struct tty_port *port, + struct tty_driver *driver, unsigned index) +{ + int ret; + + ret = serdev_tty_port_unregister(port); + if (ret == 0) + return; + + tty_unregister_device(driver, index); +} +EXPORT_SYMBOL_GPL(tty_port_unregister_device); int tty_port_alloc_xmit_buf(struct tty_port *port) { @@ -189,9 +257,6 @@ static void tty_port_destructor(struct kref *kref) /* check if last port ref was dropped before tty release */ if (WARN_ON(port->itty)) return; - - serdev_tty_port_unregister(port); - if (port->xmit_buf) free_page((unsigned long)port->xmit_buf); tty_port_destroy(port); |