| Message ID | 1465547339-10557-1-git-send-email-adrian.hunter@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 10 June 2016 at 10:28, Adrian Hunter <adrian.hunter@intel.com> wrote: > Display Command Queue information when printing Extended CSD > Example: > > # mmc extcsd read /dev/mmcblk0 | grep CMDQ > Command Queue Support [CMDQ_SUPPORT]: 0x01 > Command Queue Depth [CMDQ_DEPTH]: 16 > Command Enabled [CMDQ_MODE_EN]: 0x01 > > Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Kind regards Uffe > --- > mmc.h | 3 +++ > mmc_cmds.c | 9 +++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/mmc.h b/mmc.h > index 8c77fd5572eb..a3d732c7215c 100644 > --- a/mmc.h > +++ b/mmc.h > @@ -55,6 +55,8 @@ > #define EXT_CSD_FFU_ARG_2 489 /* RO */ > #define EXT_CSD_FFU_ARG_1 488 /* RO */ > #define EXT_CSD_FFU_ARG_0 487 /* RO */ > +#define EXT_CSD_CMDQ_DEPTH 307 /* RO */ > +#define EXT_CSD_CMDQ_SUPPORT 308 /* RO */ > #define EXT_CSD_NUM_OF_FW_SEC_PROG_3 305 /* RO */ > #define EXT_CSD_NUM_OF_FW_SEC_PROG_2 304 /* RO */ > #define EXT_CSD_NUM_OF_FW_SEC_PROG_1 303 /* RO */ > @@ -119,6 +121,7 @@ > #define EXT_CSD_MODE_CONFIG 30 > #define EXT_CSD_MODE_OPERATION_CODES 29 /* W */ > #define EXT_CSD_FFU_STATUS 26 /* R */ > +#define EXT_CSD_CMDQ_MODE_EN 15 /* R/W */ > > /* > * WR_REL_PARAM field definitions > diff --git a/mmc_cmds.c b/mmc_cmds.c > index 36276106b7bf..295d50541dee 100644 > --- a/mmc_cmds.c > +++ b/mmc_cmds.c > @@ -1723,6 +1723,15 @@ int do_read_extcsd(int nargs, char **argv) > printf("eMMC Firmware Version: %s\n", > (char*)&ext_csd[EXT_CSD_FIRMWARE_VERSION]); > } > + > + if (ext_csd_rev >= 8) { > + printf("Command Queue Support [CMDQ_SUPPORT]: 0x%02x\n", > + ext_csd[EXT_CSD_CMDQ_SUPPORT]); > + printf("Command Queue Depth [CMDQ_DEPTH]: %u\n", > + (ext_csd[EXT_CSD_CMDQ_DEPTH] & 0x1f) + 1); > + printf("Command Enabled [CMDQ_MODE_EN]: 0x%02x\n", > + ext_csd[EXT_CSD_CMDQ_MODE_EN]); > + } > out_free: > return ret; > } > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/mmc.h b/mmc.h index 8c77fd5572eb..a3d732c7215c 100644 --- a/mmc.h +++ b/mmc.h @@ -55,6 +55,8 @@ #define EXT_CSD_FFU_ARG_2 489 /* RO */ #define EXT_CSD_FFU_ARG_1 488 /* RO */ #define EXT_CSD_FFU_ARG_0 487 /* RO */ +#define EXT_CSD_CMDQ_DEPTH 307 /* RO */ +#define EXT_CSD_CMDQ_SUPPORT 308 /* RO */ #define EXT_CSD_NUM_OF_FW_SEC_PROG_3 305 /* RO */ #define EXT_CSD_NUM_OF_FW_SEC_PROG_2 304 /* RO */ #define EXT_CSD_NUM_OF_FW_SEC_PROG_1 303 /* RO */ @@ -119,6 +121,7 @@ #define EXT_CSD_MODE_CONFIG 30 #define EXT_CSD_MODE_OPERATION_CODES 29 /* W */ #define EXT_CSD_FFU_STATUS 26 /* R */ +#define EXT_CSD_CMDQ_MODE_EN 15 /* R/W */ /* * WR_REL_PARAM field definitions diff --git a/mmc_cmds.c b/mmc_cmds.c index 36276106b7bf..295d50541dee 100644 --- a/mmc_cmds.c +++ b/mmc_cmds.c @@ -1723,6 +1723,15 @@ int do_read_extcsd(int nargs, char **argv) printf("eMMC Firmware Version: %s\n", (char*)&ext_csd[EXT_CSD_FIRMWARE_VERSION]); } + + if (ext_csd_rev >= 8) { + printf("Command Queue Support [CMDQ_SUPPORT]: 0x%02x\n", + ext_csd[EXT_CSD_CMDQ_SUPPORT]); + printf("Command Queue Depth [CMDQ_DEPTH]: %u\n", + (ext_csd[EXT_CSD_CMDQ_DEPTH] & 0x1f) + 1); + printf("Command Enabled [CMDQ_MODE_EN]: 0x%02x\n", + ext_csd[EXT_CSD_CMDQ_MODE_EN]); + } out_free: return ret; }
Display Command Queue information when printing Extended CSD Example: # mmc extcsd read /dev/mmcblk0 | grep CMDQ Command Queue Support [CMDQ_SUPPORT]: 0x01 Command Queue Depth [CMDQ_DEPTH]: 16 Command Enabled [CMDQ_MODE_EN]: 0x01 Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- mmc.h | 3 +++ mmc_cmds.c | 9 +++++++++ 2 files changed, 12 insertions(+)