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NVMe: Simplify Firmware Activate code slightly 

Add definitions for the three Firmware Activate actions, and change the
SCSI translation code to construct the command into a temporary variable
instead of translating the endianness back-and-forth.

Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
Reviewed-by: Vishal Verma <vishal.l.verma@linux.intel.com>
wifi-calibration
Matthew Wilcox 2013-05-06 08:22:18 -04:00
parent 44af146a84
commit ab3ea5bf37
2 changed files with 5 additions and 4 deletions
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6
drivers/block/nvme-scsi.c
View File

@ -1577,10 +1577,8 @@ static int nvme_trans_send_fw_cmd(struct nvme_ns *ns, struct sg_io_hdr *hdr,
c.dlfw.numd = cpu_to_le32((tot_len/BYTES_TO_DWORDS) - 1);
c.dlfw.offset = cpu_to_le32(offset/BYTES_TO_DWORDS);
} else if (opcode == nvme_admin_activate_fw) {
c.common.cdw10[0] = cpu_to_le32(buffer_id);
/* AA=01b Replace & activate at reset */
c.common.cdw10[0] = cpu_to_le32(le32_to_cpu(
c.common.cdw10[0]) | 0x00000008);
u32 cdw10 = buffer_id | NVME_FWACT_REPL_ACTV;
c.common.cdw10[0] = cpu_to_le32(cdw10);
}
nvme_sc = nvme_submit_admin_cmd(dev, &c, NULL);

3
include/linux/nvme.h
View File

@ -316,6 +316,9 @@ enum {
NVME_FEAT_WRITE_ATOMIC = 0x0a,
NVME_FEAT_ASYNC_EVENT = 0x0b,
NVME_FEAT_SW_PROGRESS = 0x0c,
NVME_FWACT_REPL = (0 << 3),
NVME_FWACT_REPL_ACTV = (1 << 3),
NVME_FWACT_ACTV = (2 << 3),
};
struct nvme_identify {