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Mon, 22 Jan 2024 11:00:28 -0800 (PST) From: Sam Li To: qemu-devel@nongnu.org Cc: qemu-block@nongnu.org, Kevin Wolf , Paolo Bonzini , stefanha@redhat.com, Peter Xu , David Hildenbrand , dmitry.fomichev@wdc.com, hare@suse.de, Hanna Reitz , Eric Blake , Markus Armbruster , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , dlemoal@kernel.org, Keith Busch , Klaus Jensen , Sam Li Subject: [RFC v3 4/7] hw/nvme: add blk_get_zone_extension to access zd_extensions Date: Mon, 22 Jan 2024 20:00:10 +0100 Message-Id: <20240122190013.41302-5-faithilikerun@gmail.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20240122190013.41302-1-faithilikerun@gmail.com> References: <20240122190013.41302-1-faithilikerun@gmail.com> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::533; envelope-from=faithilikerun@gmail.com; helo=mail-ed1-x533.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Signed-off-by: Sam Li --- block/block-backend.c | 16 ++++++++++++++++ hw/nvme/ctrl.c | 20 ++++++++++++++------ hw/nvme/ns.c | 24 ++++-------------------- hw/nvme/nvme.h | 7 ------- include/sysemu/block-backend-io.h | 2 ++ 5 files changed, 36 insertions(+), 33 deletions(-) diff --git a/block/block-backend.c b/block/block-backend.c index c23f2a731b..3bebee12b9 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -2431,6 +2431,22 @@ BlockZoneWps *blk_get_zone_wps(BlockBackend *blk) return bs ? bs->wps : NULL; } +uint8_t *blk_get_zone_extension(BlockBackend *blk) +{ + BlockDriverState *bs = blk_bs(blk); + IO_CODE(); + + return bs ? bs->zd_extensions : NULL; +} + +uint32_t blk_get_zd_ext_size(BlockBackend *blk) +{ + BlockDriverState *bs = blk_bs(blk); + IO_CODE(); + + return bs ? bs->bl.zd_extension_size : 0; +} + void *blk_try_blockalign(BlockBackend *blk, size_t size) { IO_CODE(); diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index e64b021454..dae6f00e4f 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -4004,6 +4004,12 @@ static uint16_t nvme_zone_mgmt_send_zrwa_flush(NvmeCtrl *n, NvmeZone *zone, return NVME_SUCCESS; } +static inline uint8_t *nvme_get_zd_extension(NvmeNamespace *ns, + uint32_t zone_idx) +{ + return &ns->zd_extensions[zone_idx * blk_get_zd_ext_size(ns->blkconf.blk)]; +} + static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) { NvmeZoneSendCmd *cmd = (NvmeZoneSendCmd *)&req->cmd; @@ -4088,11 +4094,11 @@ static uint16_t nvme_zone_mgmt_send(NvmeCtrl *n, NvmeRequest *req) case NVME_ZONE_ACTION_SET_ZD_EXT: trace_pci_nvme_set_descriptor_extension(slba, zone_idx); - if (all || !ns->params.zd_extension_size) { + if (all || !blk_get_zd_ext_size(ns->blkconf.blk)) { return NVME_INVALID_FIELD | NVME_DNR; } zd_ext = nvme_get_zd_extension(ns, zone_idx); - status = nvme_h2c(n, zd_ext, ns->params.zd_extension_size, req); + status = nvme_h2c(n, zd_ext, blk_get_zd_ext_size(ns->blkconf.blk), req); if (status) { trace_pci_nvme_err_zd_extension_map_error(zone_idx); return status; @@ -4183,7 +4189,8 @@ static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) if (zra != NVME_ZONE_REPORT && zra != NVME_ZONE_REPORT_EXTENDED) { return NVME_INVALID_FIELD | NVME_DNR; } - if (zra == NVME_ZONE_REPORT_EXTENDED && !ns->params.zd_extension_size) { + if (zra == NVME_ZONE_REPORT_EXTENDED && + !blk_get_zd_ext_size(ns->blkconf.blk)) { return NVME_INVALID_FIELD | NVME_DNR; } @@ -4205,7 +4212,7 @@ static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) zone_entry_sz = sizeof(NvmeZoneDescr); if (zra == NVME_ZONE_REPORT_EXTENDED) { - zone_entry_sz += ns->params.zd_extension_size; + zone_entry_sz += blk_get_zd_ext_size(ns->blkconf.blk) ; } max_zones = (data_size - sizeof(NvmeZoneReportHeader)) / zone_entry_sz; @@ -4243,11 +4250,12 @@ static uint16_t nvme_zone_mgmt_recv(NvmeCtrl *n, NvmeRequest *req) } if (zra == NVME_ZONE_REPORT_EXTENDED) { + int zd_ext_size = blk_get_zd_ext_size(ns->blkconf.blk); if (zone->d.za & NVME_ZA_ZD_EXT_VALID) { memcpy(buf_p, nvme_get_zd_extension(ns, zone_idx), - ns->params.zd_extension_size); + zd_ext_size); } - buf_p += ns->params.zd_extension_size; + buf_p += zd_ext_size; } max_zones--; diff --git a/hw/nvme/ns.c b/hw/nvme/ns.c index 82d4f7932d..45c08391f5 100644 --- a/hw/nvme/ns.c +++ b/hw/nvme/ns.c @@ -218,15 +218,15 @@ static int nvme_ns_zoned_check_calc_geometry(NvmeNamespace *ns, Error **errp) static void nvme_ns_zoned_init_state(NvmeNamespace *ns) { + BlockBackend *blk = ns->blkconf.blk; uint64_t start = 0, zone_size = ns->zone_size; uint64_t capacity = ns->num_zones * zone_size; NvmeZone *zone; int i; ns->zone_array = g_new0(NvmeZone, ns->num_zones); - if (ns->params.zd_extension_size) { - ns->zd_extensions = g_malloc0(ns->params.zd_extension_size * - ns->num_zones); + if (blk_get_zone_extension(blk)) { + ns->zd_extensions = blk_get_zone_extension(blk); } QTAILQ_INIT(&ns->exp_open_zones); @@ -275,7 +275,7 @@ static void nvme_ns_init_zoned(NvmeNamespace *ns) for (i = 0; i <= ns->id_ns.nlbaf; i++) { id_ns_z->lbafe[i].zsze = cpu_to_le64(ns->zone_size); id_ns_z->lbafe[i].zdes = - ns->params.zd_extension_size >> 6; /* Units of 64B */ + blk_get_zd_ext_size(blk) >> 6; /* Units of 64B */ } if (ns->params.zrwas) { @@ -576,19 +576,6 @@ static int nvme_ns_check_constraints(NvmeNamespace *ns, Error **errp) } if (blk_get_zone_model(blk)) { - if (ns->params.zd_extension_size) { - if (ns->params.zd_extension_size & 0x3f) { - error_setg(errp, "zone descriptor extension size must be a " - "multiple of 64B"); - return -1; - } - if ((ns->params.zd_extension_size >> 6) > 0xff) { - error_setg(errp, - "zone descriptor extension size is too large"); - return -1; - } - } - if (ns->params.zrwas) { if (ns->params.zrwas % ns->blkconf.logical_block_size) { error_setg(errp, "zone random write area size (zoned.zrwas " @@ -676,7 +663,6 @@ void nvme_ns_cleanup(NvmeNamespace *ns) if (blk_get_zone_model(ns->blkconf.blk)) { g_free(ns->id_ns_zoned); g_free(ns->zone_array); - g_free(ns->zd_extensions); } if (ns->endgrp && ns->endgrp->fdp.enabled) { @@ -794,8 +780,6 @@ static Property nvme_ns_props[] = { params.max_active_zones, 0), DEFINE_PROP_UINT32("zoned.max_open", NvmeNamespace, params.max_open_zones, 0), - DEFINE_PROP_UINT32("zoned.descr_ext_size", NvmeNamespace, - params.zd_extension_size, 0), DEFINE_PROP_UINT32("zoned.numzrwa", NvmeNamespace, params.numzrwa, 0), DEFINE_PROP_SIZE("zoned.zrwas", NvmeNamespace, params.zrwas, 0), DEFINE_PROP_SIZE("zoned.zrwafg", NvmeNamespace, params.zrwafg, -1), diff --git a/hw/nvme/nvme.h b/hw/nvme/nvme.h index 76677a86e9..37007952fc 100644 --- a/hw/nvme/nvme.h +++ b/hw/nvme/nvme.h @@ -192,7 +192,6 @@ typedef struct NvmeNamespaceParams { bool cross_zone_read; uint32_t max_active_zones; uint32_t max_open_zones; - uint32_t zd_extension_size; uint32_t numzrwa; uint64_t zrwas; @@ -315,12 +314,6 @@ static inline bool nvme_wp_is_valid(NvmeZone *zone) st != NVME_ZONE_STATE_OFFLINE; } -static inline uint8_t *nvme_get_zd_extension(NvmeNamespace *ns, - uint32_t zone_idx) -{ - return &ns->zd_extensions[zone_idx * ns->params.zd_extension_size]; -} - static inline void nvme_aor_inc_open(NvmeNamespace *ns) { assert(ns->nr_open_zones >= 0); diff --git a/include/sysemu/block-backend-io.h b/include/sysemu/block-backend-io.h index 44e44954fa..ab388801b1 100644 --- a/include/sysemu/block-backend-io.h +++ b/include/sysemu/block-backend-io.h @@ -108,6 +108,8 @@ uint32_t blk_get_max_append_sectors(BlockBackend *blk); uint32_t blk_get_nr_zones(BlockBackend *blk); uint32_t blk_get_write_granularity(BlockBackend *blk); BlockZoneWps *blk_get_zone_wps(BlockBackend *blk); +uint8_t *blk_get_zone_extension(BlockBackend *blk); +uint32_t blk_get_zd_ext_size(BlockBackend *blk); AioContext *blk_get_aio_context(BlockBackend *blk); BlockAcctStats *blk_get_stats(BlockBackend *blk);