diff options
Diffstat (limited to 'drivers/nvme')
-rw-r--r-- | drivers/nvme/host/core.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index ea99265565ae..5c729ab51911 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -100,11 +100,6 @@ static struct class *nvme_subsys_class; static void nvme_ns_remove(struct nvme_ns *ns); static int nvme_revalidate_disk(struct gendisk *disk); -static __le32 nvme_get_log_dw10(u8 lid, size_t size) -{ - return cpu_to_le32((((size / 4) - 1) << 16) | lid); -} - int nvme_reset_ctrl(struct nvme_ctrl *ctrl) { if (!nvme_change_ctrl_state(ctrl, NVME_CTRL_RESETTING)) @@ -2218,18 +2213,35 @@ out_unlock: return ret; } -static int nvme_get_log(struct nvme_ctrl *ctrl, u8 log_page, void *log, - size_t size) +static int nvme_get_log_ext(struct nvme_ctrl *ctrl, struct nvme_ns *ns, + u8 log_page, void *log, + size_t size, size_t offset) { struct nvme_command c = { }; + unsigned long dwlen = size / 4 - 1; + + c.get_log_page.opcode = nvme_admin_get_log_page; + + if (ns) + c.get_log_page.nsid = cpu_to_le32(ns->head->ns_id); + else + c.get_log_page.nsid = cpu_to_le32(NVME_NSID_ALL); - c.common.opcode = nvme_admin_get_log_page; - c.common.nsid = cpu_to_le32(NVME_NSID_ALL); - c.common.cdw10[0] = nvme_get_log_dw10(log_page, size); + c.get_log_page.lid = log_page; + c.get_log_page.numdl = cpu_to_le16(dwlen & ((1 << 16) - 1)); + c.get_log_page.numdu = cpu_to_le16(dwlen >> 16); + c.get_log_page.lpol = cpu_to_le32(offset & ((1ULL << 32) - 1)); + c.get_log_page.lpou = cpu_to_le32(offset >> 32ULL); return nvme_submit_sync_cmd(ctrl->admin_q, &c, log, size); } +static int nvme_get_log(struct nvme_ctrl *ctrl, u8 log_page, void *log, + size_t size) +{ + return nvme_get_log_ext(ctrl, NULL, log_page, log, size, 0); +} + static int nvme_get_effects_log(struct nvme_ctrl *ctrl) { int ret; |