hw/nvme: split pmrmsc register into upper and lower
The specification uses a set of 32 bit PMRMSCL and PMRMSCU registers to make up the 64 bit logical PMRMSC register. Make it so. Signed-off-by: Klaus Jensen <k.jensen@samsung.com> Reviewed-by: Keith Busch <kbusch@kernel.org>
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@ -5916,11 +5916,13 @@ static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data,
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return;
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return;
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}
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}
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n->bar.pmrmsc = (n->bar.pmrmsc & ~0xffffffff) | (data & 0xffffffff);
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n->bar.pmrmscl = data;
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n->pmr.cmse = false;
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n->pmr.cmse = false;
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if (NVME_PMRMSC_CMSE(n->bar.pmrmsc)) {
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if (NVME_PMRMSCL_CMSE(n->bar.pmrmscl)) {
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hwaddr cba = NVME_PMRMSC_CBA(n->bar.pmrmsc) << PMRMSC_CBA_SHIFT;
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uint64_t pmrmscu = n->bar.pmrmscu;
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hwaddr cba = (pmrmscu << 32) |
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(NVME_PMRMSCL_CBA(n->bar.pmrmscl) << PMRMSCL_CBA_SHIFT);
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if (cba + int128_get64(n->pmr.dev->mr.size) < cba) {
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if (cba + int128_get64(n->pmr.dev->mr.size) < cba) {
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NVME_PMRSTS_SET_CBAI(n->bar.pmrsts, 1);
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NVME_PMRSTS_SET_CBAI(n->bar.pmrsts, 1);
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return;
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return;
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@ -5936,7 +5938,7 @@ static void nvme_write_bar(NvmeCtrl *n, hwaddr offset, uint64_t data,
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return;
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return;
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}
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}
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n->bar.pmrmsc = (n->bar.pmrmsc & 0xffffffff) | (data << 32);
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n->bar.pmrmscu = data;
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return;
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return;
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default:
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default:
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NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid,
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NVME_GUEST_ERR(pci_nvme_ub_mmiowr_invalid,
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@ -26,7 +26,8 @@ typedef struct QEMU_PACKED NvmeBar {
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uint32_t pmrsts;
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uint32_t pmrsts;
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uint32_t pmrebs;
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uint32_t pmrebs;
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uint32_t pmrswtp;
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uint32_t pmrswtp;
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uint64_t pmrmsc;
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uint32_t pmrmscl;
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uint32_t pmrmscu;
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uint8_t css[484];
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uint8_t css[484];
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} NvmeBar;
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} NvmeBar;
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@ -475,25 +476,25 @@ enum NvmePmrswtpMask {
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#define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val) \
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#define NVME_PMRSWTP_SET_PMRSWTV(pmrswtp, val) \
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(pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
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(pmrswtp |= (uint64_t)(val & PMRSWTP_PMRSWTV_MASK) << PMRSWTP_PMRSWTV_SHIFT)
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enum NvmePmrmscShift {
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enum NvmePmrmsclShift {
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PMRMSC_CMSE_SHIFT = 1,
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PMRMSCL_CMSE_SHIFT = 1,
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PMRMSC_CBA_SHIFT = 12,
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PMRMSCL_CBA_SHIFT = 12,
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};
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};
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enum NvmePmrmscMask {
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enum NvmePmrmsclMask {
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PMRMSC_CMSE_MASK = 0x1,
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PMRMSCL_CMSE_MASK = 0x1,
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PMRMSC_CBA_MASK = 0xfffffffffffff,
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PMRMSCL_CBA_MASK = 0xfffff,
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};
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};
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#define NVME_PMRMSC_CMSE(pmrmsc) \
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#define NVME_PMRMSCL_CMSE(pmrmscl) \
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((pmrmsc >> PMRMSC_CMSE_SHIFT) & PMRMSC_CMSE_MASK)
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((pmrmscl >> PMRMSCL_CMSE_SHIFT) & PMRMSCL_CMSE_MASK)
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#define NVME_PMRMSC_CBA(pmrmsc) \
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#define NVME_PMRMSCL_CBA(pmrmscl) \
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((pmrmsc >> PMRMSC_CBA_SHIFT) & PMRMSC_CBA_MASK)
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((pmrmscl >> PMRMSCL_CBA_SHIFT) & PMRMSCL_CBA_MASK)
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#define NVME_PMRMSC_SET_CMSE(pmrmsc, val) \
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#define NVME_PMRMSCL_SET_CMSE(pmrmscl, val) \
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(pmrmsc |= (uint64_t)(val & PMRMSC_CMSE_MASK) << PMRMSC_CMSE_SHIFT)
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(pmrmscl |= (uint32_t)(val & PMRMSCL_CMSE_MASK) << PMRMSCL_CMSE_SHIFT)
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#define NVME_PMRMSC_SET_CBA(pmrmsc, val) \
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#define NVME_PMRMSCL_SET_CBA(pmrmscl, val) \
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(pmrmsc |= (uint64_t)(val & PMRMSC_CBA_MASK) << PMRMSC_CBA_SHIFT)
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(pmrmscl |= (uint32_t)(val & PMRMSCL_CBA_MASK) << PMRMSCL_CBA_SHIFT)
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enum NvmeSglDescriptorType {
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enum NvmeSglDescriptorType {
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NVME_SGL_DESCR_TYPE_DATA_BLOCK = 0x0,
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NVME_SGL_DESCR_TYPE_DATA_BLOCK = 0x0,
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