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[PATCH v5 05/18] nvme: use constants in identify
From: |
Klaus Jensen |
Subject: |
[PATCH v5 05/18] nvme: use constants in identify |
Date: |
Tue, 5 May 2020 07:48:27 +0200 |
From: Klaus Jensen <address@hidden>
Signed-off-by: Klaus Jensen <address@hidden>
Reviewed-by: Maxim Levitsky <address@hidden>
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Reviewed-by: Keith Busch <address@hidden>
---
hw/block/nvme.c | 8 ++++----
include/block/nvme.h | 8 ++++++++
2 files changed, 12 insertions(+), 4 deletions(-)
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index e26db7591574..4058f2c79796 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -693,7 +693,7 @@ static uint16_t nvme_identify_ns(NvmeCtrl *n, NvmeIdentify
*c)
static uint16_t nvme_identify_nslist(NvmeCtrl *n, NvmeIdentify *c)
{
- static const int data_len = 4 * KiB;
+ static const int data_len = NVME_IDENTIFY_DATA_SIZE;
uint32_t min_nsid = le32_to_cpu(c->nsid);
uint64_t prp1 = le64_to_cpu(c->prp1);
uint64_t prp2 = le64_to_cpu(c->prp2);
@@ -723,11 +723,11 @@ static uint16_t nvme_identify(NvmeCtrl *n, NvmeCmd *cmd)
NvmeIdentify *c = (NvmeIdentify *)cmd;
switch (le32_to_cpu(c->cns)) {
- case 0x00:
+ case NVME_ID_CNS_NS:
return nvme_identify_ns(n, c);
- case 0x01:
+ case NVME_ID_CNS_CTRL:
return nvme_identify_ctrl(n, c);
- case 0x02:
+ case NVME_ID_CNS_NS_ACTIVE_LIST:
return nvme_identify_nslist(n, c);
default:
trace_pci_nvme_err_invalid_identify_cns(le32_to_cpu(c->cns));
diff --git a/include/block/nvme.h b/include/block/nvme.h
index 5525c8e34308..1720ee1d5158 100644
--- a/include/block/nvme.h
+++ b/include/block/nvme.h
@@ -705,6 +705,14 @@ typedef struct NvmePSD {
uint8_t resv[16];
} NvmePSD;
+#define NVME_IDENTIFY_DATA_SIZE 4096
+
+enum {
+ NVME_ID_CNS_NS = 0x0,
+ NVME_ID_CNS_CTRL = 0x1,
+ NVME_ID_CNS_NS_ACTIVE_LIST = 0x2,
+};
+
typedef struct NvmeIdCtrl {
uint16_t vid;
uint16_t ssvid;
--
2.26.2
- [PATCH v5 00/18] nvme: refactoring and cleanups, Klaus Jensen, 2020/05/05
- [PATCH v5 01/18] nvme: fix pci doorbell size calculation, Klaus Jensen, 2020/05/05
- [PATCH v5 03/18] nvme: remove superfluous breaks, Klaus Jensen, 2020/05/05
- [PATCH v5 06/18] nvme: refactor nvme_addr_read, Klaus Jensen, 2020/05/05
- [PATCH v5 04/18] nvme: move device parameters to separate struct, Klaus Jensen, 2020/05/05
- [PATCH v5 05/18] nvme: use constants in identify,
Klaus Jensen <=
- [PATCH v5 08/18] nvme: remove redundant cmbloc/cmbsz members, Klaus Jensen, 2020/05/05
- [PATCH v5 02/18] nvme: rename trace events to pci_nvme, Klaus Jensen, 2020/05/05
- [PATCH v5 10/18] nvme: factor out device state setup, Klaus Jensen, 2020/05/05
- [PATCH v5 07/18] nvme: add max_ioqpairs device parameter, Klaus Jensen, 2020/05/05
- [PATCH v5 15/18] nvme: factor out cmb setup, Klaus Jensen, 2020/05/05
- [PATCH v5 14/18] nvme: factor out pci setup, Klaus Jensen, 2020/05/05
- [PATCH v5 09/18] nvme: factor out property/constraint checks, Klaus Jensen, 2020/05/05
- [PATCH v5 11/18] nvme: factor out block backend setup, Klaus Jensen, 2020/05/05
- [PATCH v5 12/18] nvme: add namespace helpers, Klaus Jensen, 2020/05/05