d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Add more random bits from NVMe 1.4.

Browse Source 
MFC after:	2 weeks
This commit is contained in:
Alexander Motin 2019-08-03 02:36:35 +00:00
parent 84ce4f0375
commit a6d222eb68
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=350553
3 changed files with 82 additions and 28 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

83
sys/dev/nvme/nvme.h
View File

@ -81,12 +81,20 @@
#define NVME_CAP_HI_REG_DSTRD_SHIFT (0)
#define NVME_CAP_HI_REG_DSTRD_MASK (0xF)
#define NVME_CAP_HI_REG_NSSRS_SHIFT (4)
#define NVME_CAP_HI_REG_NSSRS_MASK (0x1)
#define NVME_CAP_HI_REG_CSS_NVM_SHIFT (5)
#define NVME_CAP_HI_REG_CSS_NVM_MASK (0x1)
#define NVME_CAP_HI_REG_BPS_SHIFT (13)
#define NVME_CAP_HI_REG_BPS_MASK (0x1)
#define NVME_CAP_HI_REG_MPSMIN_SHIFT (16)
#define NVME_CAP_HI_REG_MPSMIN_MASK (0xF)
#define NVME_CAP_HI_REG_MPSMAX_SHIFT (20)
#define NVME_CAP_HI_REG_MPSMAX_MASK (0xF)
#define NVME_CAP_HI_REG_PMRS_SHIFT (24)
#define NVME_CAP_HI_REG_PMRS_MASK (0x1)
#define NVME_CAP_HI_REG_CMBS_SHIFT (25)
#define NVME_CAP_HI_REG_CMBS_MASK (0x1)
#define NVME_CAP_HI_DSTRD(x) \
(((x) >> NVME_CAP_HI_REG_DSTRD_SHIFT) & NVME_CAP_HI_REG_DSTRD_MASK)
#define NVME_CAP_HI_CSS_NVM(x) \
@ -117,6 +125,10 @@
#define NVME_CSTS_REG_CFS_MASK (0x1)
#define NVME_CSTS_REG_SHST_SHIFT (2)
#define NVME_CSTS_REG_SHST_MASK (0x3)
#define NVME_CSTS_REG_NVSRO_SHIFT (4)
#define NVME_CSTS_REG_NVSRO_MASK (0x1)
#define NVME_CSTS_REG_PP_SHIFT (5)
#define NVME_CSTS_REG_PP_MASK (0x1)
#define NVME_CSTS_GET_SHST(csts) (((csts) >> NVME_CSTS_REG_SHST_SHIFT) & NVME_CSTS_REG_SHST_MASK)
@ -136,6 +148,8 @@
#define NVME_STATUS_SC_MASK (0xFF)
#define NVME_STATUS_SCT_SHIFT (9)
#define NVME_STATUS_SCT_MASK (0x7)
#define NVME_STATUS_CRD_SHIFT (12)
#define NVME_STATUS_CRD_MASK (0x3)
#define NVME_STATUS_M_SHIFT (14)
#define NVME_STATUS_M_MASK (0x1)
#define NVME_STATUS_DNR_SHIFT (15)
@ -489,34 +503,37 @@ enum shst_value {
struct nvme_registers
{
/** controller capabilities */
uint32_t cap_lo;
uint32_t cap_hi;
uint32_t vs; /* version */
uint32_t intms; /* interrupt mask set */
uint32_t intmc; /* interrupt mask clear */
/** controller configuration */
uint32_t cc;
uint32_t reserved1;
/** controller status */
uint32_t csts;
uint32_t reserved2;
/** admin queue attributes */
uint32_t aqa;
uint64_t asq; /* admin submission queue base addr */
uint64_t acq; /* admin completion queue base addr */
uint32_t reserved3[0x3f2];
uint32_t cap_lo; /* controller capabilities */
uint32_t cap_hi;
uint32_t vs; /* version */
uint32_t intms; /* interrupt mask set */
uint32_t intmc; /* interrupt mask clear */
uint32_t cc; /* controller configuration */
uint32_t reserved1;
uint32_t csts; /* controller status */
uint32_t nssr; /* NVM Subsystem Reset */
uint32_t aqa; /* admin queue attributes */
uint64_t asq; /* admin submission queue base addr */
uint64_t acq; /* admin completion queue base addr */
uint32_t cmbloc; /* Controller Memory Buffer Location */
uint32_t cmbsz; /* Controller Memory Buffer Size */
uint32_t bpinfo; /* Boot Partition Information */
uint32_t bprsel; /* Boot Partition Read Select */
uint64_t bpmbl; /* Boot Partition Memory Buffer Location */
uint64_t cmbmsc; /* Controller Memory Buffer Memory Space Control */
uint32_t cmbsts; /* Controller Memory Buffer Status */
uint8_t reserved3[3492]; /* 5Ch - DFFh */
uint32_t pmrcap; /* Persistent Memory Capabilities */
uint32_t pmrctl; /* Persistent Memory Region Control */
uint32_t pmrsts; /* Persistent Memory Region Status */
uint32_t pmrebs; /* Persistent Memory Region Elasticity Buffer Size */
uint32_t pmrswtp; /* Persistent Memory Region Sustained Write Throughput */
uint32_t pmrmsc_lo; /* Persistent Memory Region Controller Memory Space Control */
uint32_t pmrmsc_hi;
uint8_t reserved4[484]; /* E1Ch - FFFh */
struct {
uint32_t sq_tdbl; /* submission queue tail doorbell */
uint32_t cq_hdbl; /* completion queue head doorbell */
uint32_t sq_tdbl; /* submission queue tail doorbell */
uint32_t cq_hdbl; /* completion queue head doorbell */
} doorbell[1] __packed;
} __packed;
@ -591,6 +608,7 @@ enum nvme_status_code_type {
NVME_SCT_GENERIC = 0x0,
NVME_SCT_COMMAND_SPECIFIC = 0x1,
NVME_SCT_MEDIA_ERROR = 0x2,
NVME_SCT_PATH_RELATED = 0x3,
/* 0x3-0x6 - reserved */
NVME_SCT_VENDOR_SPECIFIC = 0x7,
};
@ -698,6 +716,17 @@ enum nvme_media_error_status_code {
NVME_SC_DEALLOCATED_OR_UNWRITTEN = 0x87,
};
/* path related status codes */
enum nvme_path_related_status_code {
NVME_SC_INTERNAL_PATH_ERROR = 0x00,
NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS = 0x01,
NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE = 0x02,
NVME_SC_ASYMMETRIC_ACCESS_TRANSITION = 0x03,
NVME_SC_CONTROLLER_PATHING_ERROR = 0x60,
NVME_SC_HOST_PATHING_ERROR = 0x70,
NVME_SC_COMMAND_ABOTHED_BY_HOST = 0x71,
};
/* admin opcodes */
enum nvme_admin_opcode {
NVME_OPC_DELETE_IO_SQ = 0x00,

2
sys/dev/nvme/nvme_ctrlr.c
View File

@ -759,7 +759,7 @@ nvme_ctrlr_async_event_cb(void *arg, const struct nvme_completion *cpl)
aer->log_page_id = (cpl->cdw0 & 0xFF0000) >> 16;
nvme_printf(aer->ctrlr, "async event occurred (type 0x%x, info 0x%02x,"
" page 0x%02x)\n", (cpl->cdw0 & 0x03), (cpl->cdw0 & 0xFF00) >> 8,
" page 0x%02x)\n", (cpl->cdw0 & 0x07), (cpl->cdw0 & 0xFF00) >> 8,
aer->log_page_id);
if (is_log_page_id_valid(aer->log_page_id)) {

25
sys/dev/nvme/nvme_qpair.c
View File

@ -299,6 +299,17 @@ static struct nvme_status_string media_error_status[] = {
{ 0xFFFF, "MEDIA ERROR" }
};
static struct nvme_status_string path_related_status[] = {
{ NVME_SC_INTERNAL_PATH_ERROR, "INTERNAL PATH ERROR" },
{ NVME_SC_ASYMMETRIC_ACCESS_PERSISTENT_LOSS, "ASYMMETRIC ACCESS PERSISTENT LOSS" },
{ NVME_SC_ASYMMETRIC_ACCESS_INACCESSIBLE, "ASYMMETRIC ACCESS INACCESSIBLE" },
{ NVME_SC_ASYMMETRIC_ACCESS_TRANSITION, "ASYMMETRIC ACCESS TRANSITION" },
{ NVME_SC_CONTROLLER_PATHING_ERROR, "CONTROLLER PATHING ERROR" },
{ NVME_SC_HOST_PATHING_ERROR, "HOST PATHING ERROR" },
{ NVME_SC_COMMAND_ABOTHED_BY_HOST, "COMMAND ABOTHED BY HOST" },
{ 0xFFFF, "PATH RELATED" },
};
static const char *
get_status_string(uint16_t sct, uint16_t sc)
{
@ -314,6 +325,9 @@ get_status_string(uint16_t sct, uint16_t sc)
case NVME_SCT_MEDIA_ERROR:
entry = media_error_status;
break;
case NVME_SCT_PATH_RELATED:
entry = path_related_status;
break;
case NVME_SCT_VENDOR_SPECIFIC:
return ("VENDOR SPECIFIC");
default:
@ -385,6 +399,17 @@ nvme_completion_is_retry(const struct nvme_completion *cpl)
}
case NVME_SCT_COMMAND_SPECIFIC:
case NVME_SCT_MEDIA_ERROR:
return (0);
case NVME_SCT_PATH_RELATED:
switch (sc) {
case NVME_SC_INTERNAL_PATH_ERROR:
if (dnr)
return (0);
else
return (1);
default:
return (0);
}
case NVME_SCT_VENDOR_SPECIFIC:
default:
return (0);