diff options
| author | Keith Busch <kbusch@kernel.org> | 2020-09-30 10:54:05 -0700 |
|---|---|---|
| committer | Klaus Jensen <k.jensen@samsung.com> | 2020-10-27 11:29:25 +0100 |
| commit | 492f9a8d79f2e815007e985cad8dd73b713722f0 (patch) | |
| tree | fbe048be143fcc3ba43749ae60610031ff46e297 /hw/block | |
| parent | 2fbbecc5cd90ec00027a155f7044f2f70ed84f30 (diff) | |
| download | qemu-492f9a8d79f2e815007e985cad8dd73b713722f0.zip qemu-492f9a8d79f2e815007e985cad8dd73b713722f0.tar.gz qemu-492f9a8d79f2e815007e985cad8dd73b713722f0.tar.bz2 | |
hw/block/nvme: validate command set selected
Fail to start the controller if the user requests a command set that the
controller does not support.
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Diffstat (limited to 'hw/block')
| -rw-r--r-- | hw/block/nvme.c | 6 | ||||
| -rw-r--r-- | hw/block/trace-events | 1 |
2 files changed, 6 insertions, 1 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c index 5a9ae69..94db06c 100644 --- a/hw/block/nvme.c +++ b/hw/block/nvme.c @@ -2045,6 +2045,10 @@ static int nvme_start_ctrl(NvmeCtrl *n) trace_pci_nvme_err_startfail_acq_misaligned(n->bar.acq); return -1; } + if (unlikely(!(NVME_CAP_CSS(n->bar.cap) & (1 << NVME_CC_CSS(n->bar.cc))))) { + trace_pci_nvme_err_startfail_css(NVME_CC_CSS(n->bar.cc)); + return -1; + } if (unlikely(NVME_CC_MPS(n->bar.cc) < NVME_CAP_MPSMIN(n->bar.cap))) { trace_pci_nvme_err_startfail_page_too_small( @@ -2746,7 +2750,7 @@ static void nvme_init_ctrl(NvmeCtrl *n, PCIDevice *pci_dev) NVME_CAP_SET_MQES(n->bar.cap, 0x7ff); NVME_CAP_SET_CQR(n->bar.cap, 1); NVME_CAP_SET_TO(n->bar.cap, 0xf); - NVME_CAP_SET_CSS(n->bar.cap, 1); + NVME_CAP_SET_CSS(n->bar.cap, NVME_CAP_CSS_NVM); NVME_CAP_SET_MPSMAX(n->bar.cap, 4); n->bar.vs = NVME_SPEC_VER; diff --git a/hw/block/trace-events b/hw/block/trace-events index e56d688..7b28091 100644 --- a/hw/block/trace-events +++ b/hw/block/trace-events @@ -132,6 +132,7 @@ pci_nvme_err_startfail_cqent_too_small(uint8_t log2ps, uint8_t maxlog2ps) "nvme_ pci_nvme_err_startfail_cqent_too_large(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the completion queue entry size is too large: log2size=%u, max=%u" pci_nvme_err_startfail_sqent_too_small(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the submission queue entry size is too small: log2size=%u, min=%u" pci_nvme_err_startfail_sqent_too_large(uint8_t log2ps, uint8_t maxlog2ps) "nvme_start_ctrl failed because the submission queue entry size is too large: log2size=%u, max=%u" +pci_nvme_err_startfail_css(uint8_t css) "nvme_start_ctrl failed because invalid command set selected:%u" pci_nvme_err_startfail_asqent_sz_zero(void) "nvme_start_ctrl failed because the admin submission queue size is zero" pci_nvme_err_startfail_acqent_sz_zero(void) "nvme_start_ctrl failed because the admin completion queue size is zero" pci_nvme_err_startfail(void) "setting controller enable bit failed" |