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Tue, 29 Sep 2020 19:19:28 -0400 (EDT) From: Klaus Jensen To: qemu-devel@nongnu.org Subject: [PATCH v2 07/14] hw/block/nvme: add commands supported and effects log page Date: Wed, 30 Sep 2020 01:19:10 +0200 Message-Id: <20200929231917.433586-8-its@irrelevant.dk> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200929231917.433586-1-its@irrelevant.dk> References: <20200929231917.433586-1-its@irrelevant.dk> MIME-Version: 1.0 Received-SPF: pass client-ip=64.147.123.27; envelope-from=its@irrelevant.dk; helo=wnew2-smtp.messagingengine.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/29 17:46:07 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , qemu-block@nongnu.org, Klaus Jensen , Gollu Appalanaidu , Max Reitz , Keith Busch , Klaus Jensen Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Gollu Appalanaidu This is to support for the Commands Supported and Effects log page. See NVM Express Spec 1.3d, sec. 5.14.1.5 ("Commands Supported and Effects") Signed-off-by: Gollu Appalanaidu Signed-off-by: Klaus Jensen --- include/block/nvme.h | 21 +++++++++++++ hw/block/nvme.c | 75 +++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 95 insertions(+), 1 deletion(-) diff --git a/include/block/nvme.h b/include/block/nvme.h index abd49d371e63..5a5e19f6bedc 100644 --- a/include/block/nvme.h +++ b/include/block/nvme.h @@ -734,6 +734,24 @@ typedef struct QEMU_PACKED NvmeSmartLog { uint8_t reserved2[320]; } NvmeSmartLog; +typedef struct QEMU_PACKED NvmeEffectsLog { + uint32_t acs[256]; + uint32_t iocs[256]; + uint8_t rsvd2048[2048]; +} NvmeEffectsLog; + +enum { + NVME_EFFECTS_CSUPP = 1 << 0, + NVME_EFFECTS_LBCC = 1 << 1, + NVME_EFFECTS_NCC = 1 << 2, + NVME_EFFECTS_NIC = 1 << 3, + NVME_EFFECTS_CCC = 1 << 4, + NVME_EFFECTS_CSE_SINGLE = 1 << 16, + NVME_EFFECTS_CSE_MULTI = 1 << 17, + NVME_EFFECTS_CSE_MASK = 3 << 16, + NVME_EFFECTS_UUID_SEL = 1 << 19, +}; + enum NvmeSmartWarn { NVME_SMART_SPARE = 1 << 0, NVME_SMART_TEMPERATURE = 1 << 1, @@ -746,6 +764,7 @@ enum NvmeLogIdentifier { NVME_LOG_ERROR_INFO = 0x01, NVME_LOG_SMART_INFO = 0x02, NVME_LOG_FW_SLOT_INFO = 0x03, + NVME_LOG_EFFECTS = 0x05, }; typedef struct QEMU_PACKED NvmePSD { @@ -857,6 +876,7 @@ enum NvmeIdCtrlFrmw { }; enum NvmeIdCtrlLpa { + NVME_LPA_EFFECTS_LOG = 1 << 1, NVME_LPA_EXTENDED = 1 << 2, }; @@ -1064,5 +1084,6 @@ static inline void _nvme_check_size(void) QEMU_BUILD_BUG_ON(sizeof(NvmeIdNs) != 4096); QEMU_BUILD_BUG_ON(sizeof(NvmeSglDescriptor) != 16); QEMU_BUILD_BUG_ON(sizeof(NvmeIdNsDescr) != 4); + QEMU_BUILD_BUG_ON(sizeof(NvmeEffectsLog) != 4096); } #endif diff --git a/hw/block/nvme.c b/hw/block/nvme.c index be5a0a7dfa09..0bc19a1e3688 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -81,6 +81,7 @@ #define NVME_TEMPERATURE_WARNING 0x157 #define NVME_TEMPERATURE_CRITICAL 0x175 #define NVME_NUM_FW_SLOTS 1 +#define NVME_MAX_ADM_IO_CMDS 0xFF #define NVME_GUEST_ERR(trace, fmt, ...) \ do { \ @@ -112,6 +113,46 @@ static const uint32_t nvme_feature_cap[NVME_FID_MAX] = { [NVME_TIMESTAMP] = NVME_FEAT_CAP_CHANGE, }; +#define NVME_EFFECTS_ADMIN_INITIALIZER \ + [NVME_ADM_CMD_DELETE_SQ] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_CREATE_SQ] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_GET_LOG_PAGE] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_DELETE_CQ] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_CREATE_CQ] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_IDENTIFY] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_ABORT] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_SET_FEATURES] = NVME_EFFECTS_CSUPP | \ + NVME_EFFECTS_CCC | \ + NVME_EFFECTS_NIC | \ + NVME_EFFECTS_NCC, \ + [NVME_ADM_CMD_GET_FEATURES] = NVME_EFFECTS_CSUPP, \ + [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_EFFECTS_CSUPP + +#define NVME_EFFECTS_NVM_INITIALIZER \ + [NVME_CMD_FLUSH] = NVME_EFFECTS_CSUPP | \ + NVME_EFFECTS_LBCC, \ + [NVME_CMD_WRITE] = NVME_EFFECTS_CSUPP | \ + NVME_EFFECTS_LBCC, \ + [NVME_CMD_READ] = NVME_EFFECTS_CSUPP, \ + [NVME_CMD_WRITE_ZEROES] = NVME_EFFECTS_CSUPP | \ + NVME_EFFECTS_LBCC + +static const NvmeEffectsLog nvme_effects_admin_only = { + .acs = { + NVME_EFFECTS_ADMIN_INITIALIZER, + }, +}; + +static const NvmeEffectsLog nvme_effects = { + .acs = { + NVME_EFFECTS_ADMIN_INITIALIZER, + }, + + .iocs = { + NVME_EFFECTS_NVM_INITIALIZER, + }, +}; + static void nvme_process_sq(void *opaque); static uint16_t nvme_cid(NvmeRequest *req) @@ -1382,6 +1423,36 @@ static uint16_t nvme_error_info(NvmeCtrl *n, uint8_t rae, uint32_t buf_len, DMA_DIRECTION_FROM_DEVICE, req); } +static uint16_t nvme_effects_log(NvmeCtrl *n, uint32_t buf_len, uint64_t off, + NvmeRequest *req) +{ + const NvmeEffectsLog *effects; + + uint32_t trans_len; + + if (off > sizeof(NvmeEffectsLog)) { + return NVME_INVALID_FIELD | NVME_DNR; + } + + switch (NVME_CC_CSS(n->bar.cc)) { + case NVME_CC_CSS_ADMIN_ONLY: + effects = &nvme_effects_admin_only; + break; + + case NVME_CC_CSS_NVM: + effects = &nvme_effects; + break; + + default: + return NVME_INTERNAL_DEV_ERROR | NVME_DNR; + } + + trans_len = MIN(sizeof(NvmeEffectsLog) - off, buf_len); + + return nvme_dma(n, (uint8_t *)effects + off, trans_len, + DMA_DIRECTION_FROM_DEVICE, req); +} + static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) { NvmeCmd *cmd = &req->cmd; @@ -1425,6 +1496,8 @@ static uint16_t nvme_get_log(NvmeCtrl *n, NvmeRequest *req) return nvme_smart_info(n, rae, len, off, req); case NVME_LOG_FW_SLOT_INFO: return nvme_fw_log_info(n, len, off, req); + case NVME_LOG_EFFECTS: + return nvme_effects_log(n, len, off, req); default: trace_pci_nvme_err_invalid_log_page(nvme_cid(req), lid); return NVME_INVALID_FIELD | NVME_DNR; @@ -2858,7 +2931,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) id->acl = 3; id->aerl = n->params.aerl; id->frmw = (NVME_NUM_FW_SLOTS << 1) | NVME_FRMW_SLOT1_RO; - id->lpa = NVME_LPA_EXTENDED; + id->lpa = NVME_LPA_EFFECTS_LOG | NVME_LPA_EXTENDED; /* recommended default value (~70 C) */ id->wctemp = cpu_to_le16(NVME_TEMPERATURE_WARNING);