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| author | Klaus Jensen <k.jensen@samsung.com> | 2024-12-16 13:53:04 +0100 |
|---|---|---|
| committer | Klaus Jensen <k.jensen@samsung.com> | 2025-02-25 12:55:21 +0100 |
| commit | 9cf6ec06592dea1973e66cd5cedf96fc59639047 (patch) | |
| tree | 7a800d0b40c2b15937648fed92284ed37a90dd98 /hw/nvme/ctrl.c | |
| parent | e7047adf1ebf4b5ad63e42c799d8334dcd3d139d (diff) | |
| download | focaccia-qemu-9cf6ec06592dea1973e66cd5cedf96fc59639047.tar.gz focaccia-qemu-9cf6ec06592dea1973e66cd5cedf96fc59639047.zip | |
hw/nvme: add knob for doorbell buffer config support
Add a 'dbcs' knob to allow Doorbell Buffer Config command to be disabled. Reviewed-by: Jesper Wendel Devantier <foss@defmacro.it> Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Diffstat (limited to 'hw/nvme/ctrl.c')
| -rw-r--r-- | hw/nvme/ctrl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 4ee8588ca9..1ad76da943 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -278,7 +278,6 @@ static const uint32_t nvme_cse_acs_default[256] = { [NVME_ADM_CMD_GET_FEATURES] = NVME_CMD_EFF_CSUPP, [NVME_ADM_CMD_ASYNC_EV_REQ] = NVME_CMD_EFF_CSUPP, [NVME_ADM_CMD_NS_ATTACHMENT] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_NIC, - [NVME_ADM_CMD_DBBUF_CONFIG] = NVME_CMD_EFF_CSUPP, [NVME_ADM_CMD_FORMAT_NVM] = NVME_CMD_EFF_CSUPP | NVME_CMD_EFF_LBCC, [NVME_ADM_CMD_DIRECTIVE_RECV] = NVME_CMD_EFF_CSUPP, [NVME_ADM_CMD_DIRECTIVE_SEND] = NVME_CMD_EFF_CSUPP, @@ -8773,8 +8772,13 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) id->mdts = n->params.mdts; id->ver = cpu_to_le32(NVME_SPEC_VER); - oacs = NVME_OACS_NMS | NVME_OACS_FORMAT | NVME_OACS_DBBUF | - NVME_OACS_DIRECTIVES; + oacs = NVME_OACS_NMS | NVME_OACS_FORMAT | NVME_OACS_DIRECTIVES; + + if (n->params.dbcs) { + oacs |= NVME_OACS_DBCS; + + n->cse.acs[NVME_ADM_CMD_DBBUF_CONFIG] = NVME_CMD_EFF_CSUPP; + } if (n->params.sriov_max_vfs) { oacs |= NVME_OACS_VMS; @@ -9024,6 +9028,7 @@ static const Property nvme_props[] = { DEFINE_PROP_BOOL("use-intel-id", NvmeCtrl, params.use_intel_id, false), DEFINE_PROP_BOOL("legacy-cmb", NvmeCtrl, params.legacy_cmb, false), DEFINE_PROP_BOOL("ioeventfd", NvmeCtrl, params.ioeventfd, false), + DEFINE_PROP_BOOL("dbcs", NvmeCtrl, params.dbcs, true), DEFINE_PROP_UINT8("zoned.zasl", NvmeCtrl, params.zasl, 0), DEFINE_PROP_BOOL("zoned.auto_transition", NvmeCtrl, params.auto_transition_zones, true), |