diff options
author | slm <slm@FreeBSD.org> | 2016-07-19 16:46:27 +0000 |
---|---|---|
committer | slm <slm@FreeBSD.org> | 2016-07-19 16:46:27 +0000 |
commit | ccb13f18cfd4b4fcbcd68c01609f4082564e190a (patch) | |
tree | 23ed71da144a5fa969fe22f44cb0727a5d24ec2d /sys | |
parent | 3760c494321b25497428e91014ec0883ec849117 (diff) | |
download | FreeBSD-src-ccb13f18cfd4b4fcbcd68c01609f4082564e190a.zip FreeBSD-src-ccb13f18cfd4b4fcbcd68c01609f4082564e190a.tar.gz |
MFC r302673
Use real values to calculate Max I/O size instead of guessing.
Reviewed by: ken, scottl
Approved by: re(gjb), ken, scottl, ambrisko (mentors)
Differential Revision: https://reviews.freebsd.org/D7043
Diffstat (limited to 'sys')
-rw-r--r-- | sys/dev/mpr/mpr.c | 11 | ||||
-rw-r--r-- | sys/dev/mpr/mpr_sas.c | 22 | ||||
-rw-r--r-- | sys/dev/mpr/mprvar.h | 4 | ||||
-rw-r--r-- | sys/dev/mps/mps.c | 11 | ||||
-rw-r--r-- | sys/dev/mps/mps_sas.c | 21 | ||||
-rw-r--r-- | sys/dev/mps/mpsvar.h | 4 |
6 files changed, 62 insertions, 11 deletions
diff --git a/sys/dev/mpr/mpr.c b/sys/dev/mpr/mpr.c index 5ae9f4c..9e84290 100644 --- a/sys/dev/mpr/mpr.c +++ b/sys/dev/mpr/mpr.c @@ -1373,6 +1373,7 @@ mpr_get_tunables(struct mpr_softc *sc) sc->disable_msix = 0; sc->disable_msi = 0; sc->max_chains = MPR_CHAIN_FRAMES; + sc->max_io_pages = MPR_MAXIO_PAGES; sc->enable_ssu = MPR_SSU_ENABLE_SSD_DISABLE_HDD; sc->spinup_wait_time = DEFAULT_SPINUP_WAIT; @@ -1383,6 +1384,7 @@ mpr_get_tunables(struct mpr_softc *sc) TUNABLE_INT_FETCH("hw.mpr.disable_msix", &sc->disable_msix); TUNABLE_INT_FETCH("hw.mpr.disable_msi", &sc->disable_msi); TUNABLE_INT_FETCH("hw.mpr.max_chains", &sc->max_chains); + TUNABLE_INT_FETCH("hw.mpr.max_io_pages", &sc->max_io_pages); TUNABLE_INT_FETCH("hw.mpr.enable_ssu", &sc->enable_ssu); TUNABLE_INT_FETCH("hw.mpr.spinup_wait_time", &sc->spinup_wait_time); @@ -1403,6 +1405,10 @@ mpr_get_tunables(struct mpr_softc *sc) device_get_unit(sc->mpr_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_chains); + snprintf(tmpstr, sizeof(tmpstr), "dev.mpr.%d.max_io_pages", + device_get_unit(sc->mpr_dev)); + TUNABLE_INT_FETCH(tmpstr, &sc->max_io_pages); + bzero(sc->exclude_ids, sizeof(sc->exclude_ids)); snprintf(tmpstr, sizeof(tmpstr), "dev.mpr.%d.exclude_ids", device_get_unit(sc->mpr_dev)); @@ -1488,6 +1494,11 @@ mpr_setup_sysctl(struct mpr_softc *sc) &sc->max_chains, 0,"maximum chain frames that will be allocated"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), + OID_AUTO, "max_io_pages", CTLFLAG_RD, + &sc->max_io_pages, 0,"maximum pages to allow per I/O (if <1 use " + "IOCFacts)"); + + SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "enable_ssu", CTLFLAG_RW, &sc->enable_ssu, 0, "enable SSU to SATA SSD/HDD at shutdown"); diff --git a/sys/dev/mpr/mpr_sas.c b/sys/dev/mpr/mpr_sas.c index 45c0bbd..d44e502 100644 --- a/sys/dev/mpr/mpr_sas.c +++ b/sys/dev/mpr/mpr_sas.c @@ -971,6 +971,8 @@ mprsas_action(struct cam_sim *sim, union ccb *ccb) case XPT_PATH_INQ: { struct ccb_pathinq *cpi = &ccb->cpi; + struct mpr_softc *sc = sassc->sc; + uint8_t sges_per_frame; cpi->version_num = 1; cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; @@ -999,13 +1001,23 @@ mprsas_action(struct cam_sim *sim, union ccb *ccb) cpi->transport_version = 0; cpi->protocol = PROTO_SCSI; cpi->protocol_version = SCSI_REV_SPC; -#if __FreeBSD_version >= 800001 + /* - * XXXSLM-probably need to base this number on max SGL's and - * page size. + * Max IO Size is Page Size * the following: + * ((SGEs per frame - 1 for chain element) * + * Max Chain Depth) + 1 for no chain needed in last frame + * + * If user suggests a Max IO size to use, use the smaller of the + * user's value and the calculated value as long as the user's + * value is larger than 0. The user's value is in pages. */ - cpi->maxio = 256 * 1024; -#endif + sges_per_frame = (sc->chain_frame_size / + sizeof(MPI2_IEEE_SGE_SIMPLE64)) - 1; + cpi->maxio = (sges_per_frame * sc->facts->MaxChainDepth) + 1; + cpi->maxio *= PAGE_SIZE; + if ((sc->max_io_pages > 0) && (sc->max_io_pages * PAGE_SIZE < + cpi->maxio)) + cpi->maxio = sc->max_io_pages * PAGE_SIZE; mprsas_set_ccbstatus(ccb, CAM_REQ_CMP); break; } diff --git a/sys/dev/mpr/mprvar.h b/sys/dev/mpr/mprvar.h index dd4b40f..b3a61f4 100644 --- a/sys/dev/mpr/mprvar.h +++ b/sys/dev/mpr/mprvar.h @@ -33,7 +33,7 @@ #ifndef _MPRVAR_H #define _MPRVAR_H -#define MPR_DRIVER_VERSION "13.00.00.00-fbsd" +#define MPR_DRIVER_VERSION "13.01.00.00-fbsd" #define MPR_DB_MAX_WAIT 2500 @@ -41,6 +41,7 @@ #define MPR_EVT_REPLY_FRAMES 32 #define MPR_REPLY_FRAMES MPR_REQ_FRAMES #define MPR_CHAIN_FRAMES 2048 +#define MPR_MAXIO_PAGES (-1) #define MPR_SENSE_LEN SSD_FULL_SIZE #define MPR_MSI_COUNT 1 #define MPR_SGE64_SIZE 12 @@ -264,6 +265,7 @@ struct mpr_softc { int io_cmds_highwater; int chain_free; int max_chains; + int max_io_pages; int chain_free_lowwater; uint32_t chain_frame_size; uint16_t chain_seg_size; diff --git a/sys/dev/mps/mps.c b/sys/dev/mps/mps.c index 3f75989..7f9cf0b 100644 --- a/sys/dev/mps/mps.c +++ b/sys/dev/mps/mps.c @@ -1350,6 +1350,7 @@ mps_get_tunables(struct mps_softc *sc) sc->disable_msix = 0; sc->disable_msi = 0; sc->max_chains = MPS_CHAIN_FRAMES; + sc->max_io_pages = MPS_MAXIO_PAGES; sc->enable_ssu = MPS_SSU_ENABLE_SSD_DISABLE_HDD; sc->spinup_wait_time = DEFAULT_SPINUP_WAIT; @@ -1360,6 +1361,7 @@ mps_get_tunables(struct mps_softc *sc) TUNABLE_INT_FETCH("hw.mps.disable_msix", &sc->disable_msix); TUNABLE_INT_FETCH("hw.mps.disable_msi", &sc->disable_msi); TUNABLE_INT_FETCH("hw.mps.max_chains", &sc->max_chains); + TUNABLE_INT_FETCH("hw.mps.max_io_pages", &sc->max_io_pages); TUNABLE_INT_FETCH("hw.mps.enable_ssu", &sc->enable_ssu); TUNABLE_INT_FETCH("hw.mps.spinup_wait_time", &sc->spinup_wait_time); @@ -1380,6 +1382,10 @@ mps_get_tunables(struct mps_softc *sc) device_get_unit(sc->mps_dev)); TUNABLE_INT_FETCH(tmpstr, &sc->max_chains); + snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.max_io_pages", + device_get_unit(sc->mps_dev)); + TUNABLE_INT_FETCH(tmpstr, &sc->max_io_pages); + bzero(sc->exclude_ids, sizeof(sc->exclude_ids)); snprintf(tmpstr, sizeof(tmpstr), "dev.mps.%d.exclude_ids", device_get_unit(sc->mps_dev)); @@ -1465,6 +1471,11 @@ mps_setup_sysctl(struct mps_softc *sc) &sc->max_chains, 0,"maximum chain frames that will be allocated"); SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), + OID_AUTO, "max_io_pages", CTLFLAG_RD, + &sc->max_io_pages, 0,"maximum pages to allow per I/O (if <1 use " + "IOCFacts)"); + + SYSCTL_ADD_INT(sysctl_ctx, SYSCTL_CHILDREN(sysctl_tree), OID_AUTO, "enable_ssu", CTLFLAG_RW, &sc->enable_ssu, 0, "enable SSU to SATA SSD/HDD at shutdown"); diff --git a/sys/dev/mps/mps_sas.c b/sys/dev/mps/mps_sas.c index 6a34c38..2f23612 100644 --- a/sys/dev/mps/mps_sas.c +++ b/sys/dev/mps/mps_sas.c @@ -928,6 +928,8 @@ mpssas_action(struct cam_sim *sim, union ccb *ccb) case XPT_PATH_INQ: { struct ccb_pathinq *cpi = &ccb->cpi; + struct mps_softc *sc = sassc->sc; + uint8_t sges_per_frame; cpi->version_num = 1; cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16; @@ -951,12 +953,23 @@ mpssas_action(struct cam_sim *sim, union ccb *ccb) cpi->transport_version = 0; cpi->protocol = PROTO_SCSI; cpi->protocol_version = SCSI_REV_SPC; -#if __FreeBSD_version >= 800001 + /* - * XXX KDM where does this number come from? + * Max IO Size is Page Size * the following: + * ((SGEs per frame - 1 for chain element) * + * Max Chain Depth) + 1 for no chain needed in last frame + * + * If user suggests a Max IO size to use, use the smaller of the + * user's value and the calculated value as long as the user's + * value is larger than 0. The user's value is in pages. */ - cpi->maxio = 256 * 1024; -#endif + sges_per_frame = ((sc->facts->IOCRequestFrameSize * 4) / + sizeof(MPI2_SGE_SIMPLE64)) - 1; + cpi->maxio = (sges_per_frame * sc->facts->MaxChainDepth) + 1; + cpi->maxio *= PAGE_SIZE; + if ((sc->max_io_pages > 0) && (sc->max_io_pages * PAGE_SIZE < + cpi->maxio)) + cpi->maxio = sc->max_io_pages * PAGE_SIZE; mpssas_set_ccbstatus(ccb, CAM_REQ_CMP); break; } diff --git a/sys/dev/mps/mpsvar.h b/sys/dev/mps/mpsvar.h index 74c5e55..f3a8929 100644 --- a/sys/dev/mps/mpsvar.h +++ b/sys/dev/mps/mpsvar.h @@ -33,7 +33,7 @@ #ifndef _MPSVAR_H #define _MPSVAR_H -#define MPS_DRIVER_VERSION "21.00.00.00-fbsd" +#define MPS_DRIVER_VERSION "21.01.00.00-fbsd" #define MPS_DB_MAX_WAIT 2500 @@ -41,6 +41,7 @@ #define MPS_EVT_REPLY_FRAMES 32 #define MPS_REPLY_FRAMES MPS_REQ_FRAMES #define MPS_CHAIN_FRAMES 2048 +#define MPS_MAXIO_PAGES (-1) #define MPS_SENSE_LEN SSD_FULL_SIZE #define MPS_MSI_COUNT 1 #define MPS_SGE64_SIZE 12 @@ -280,6 +281,7 @@ struct mps_softc { int io_cmds_highwater; int chain_free; int max_chains; + int max_io_pages; int chain_free_lowwater; u_int enable_ssu; int spinup_wait_time; |