nvme-pci: remap BAR0 to cover admin CQ doorbell for large stride

[mirror_ubuntu-jammy-kernel.git] / include / linux / nvme.h

diff --git a/include/linux/nvme.h b/include/linux/nvme.h
index 51ca4771be2cf51b1ad652b862497855c83f882c..706a0fbfe28e85cf8db4527e9ca7b66ff32cb9e6 100644 (file)
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -102,6 +102,7 @@ enum {
        NVME_REG_ACQ    = 0x0030,       /* Admin CQ Base Address */
        NVME_REG_CMBLOC = 0x0038,       /* Controller Memory Buffer Location */
        NVME_REG_CMBSZ  = 0x003c,       /* Controller Memory Buffer Size */
+       NVME_REG_DBS    = 0x1000,       /* SQ 0 Tail Doorbell */
 };
 
 #define NVME_CAP_MQES(cap)     ((cap) & 0xffff)