diff options
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_sas_base.c')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_base.c | 318 |
1 files changed, 207 insertions, 111 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index a2f4d4f6515c..24e4116d2f4b 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1825,16 +1825,12 @@ void megasas_do_ocr(struct megasas_instance *instance) process_fw_state_change_wq(&instance->work_init); } -/* This function will get the current SR-IOV LD/VF affiliation */ -static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, - int initial) +static int megasas_get_ld_vf_affiliation_111(struct megasas_instance *instance, + int initial) { struct megasas_cmd *cmd; struct megasas_dcmd_frame *dcmd; - struct MR_LD_VF_AFFILIATION *new_affiliation = NULL; struct MR_LD_VF_AFFILIATION_111 *new_affiliation_111 = NULL; - struct MR_LD_VF_MAP *newmap = NULL, *savedmap = NULL; - dma_addr_t new_affiliation_h; dma_addr_t new_affiliation_111_h; int ld, retval = 0; u8 thisVf; @@ -1842,15 +1838,15 @@ static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, cmd = megasas_get_cmd(instance); if (!cmd) { - printk(KERN_DEBUG "megasas: megasas_get_ld_vf_" - "affiliation: Failed to get cmd for scsi%d.\n", + printk(KERN_DEBUG "megasas: megasas_get_ld_vf_affiliation_111:" + "Failed to get cmd for scsi%d.\n", instance->host->host_no); return -ENOMEM; } dcmd = &cmd->frame->dcmd; - if (!instance->vf_affiliation && !instance->vf_affiliation_111) { + if (!instance->vf_affiliation_111) { printk(KERN_WARNING "megasas: SR-IOV: Couldn't get LD/VF " "affiliation for scsi%d.\n", instance->host->host_no); megasas_return_cmd(instance, cmd); @@ -1858,38 +1854,22 @@ static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, } if (initial) - if (instance->PlasmaFW111) memset(instance->vf_affiliation_111, 0, sizeof(struct MR_LD_VF_AFFILIATION_111)); - else - memset(instance->vf_affiliation, 0, - (MAX_LOGICAL_DRIVES + 1) * - sizeof(struct MR_LD_VF_AFFILIATION)); else { - if (instance->PlasmaFW111) - new_affiliation_111 = - pci_alloc_consistent(instance->pdev, - sizeof(struct MR_LD_VF_AFFILIATION_111), - &new_affiliation_111_h); - else - new_affiliation = - pci_alloc_consistent(instance->pdev, - (MAX_LOGICAL_DRIVES + 1) * - sizeof(struct MR_LD_VF_AFFILIATION), - &new_affiliation_h); - if (!new_affiliation && !new_affiliation_111) { + new_affiliation_111 = + pci_alloc_consistent(instance->pdev, + sizeof(struct MR_LD_VF_AFFILIATION_111), + &new_affiliation_111_h); + if (!new_affiliation_111) { printk(KERN_DEBUG "megasas: SR-IOV: Couldn't allocate " "memory for new affiliation for scsi%d.\n", - instance->host->host_no); + instance->host->host_no); megasas_return_cmd(instance, cmd); return -ENOMEM; } - if (instance->PlasmaFW111) - memset(new_affiliation_111, 0, - sizeof(struct MR_LD_VF_AFFILIATION_111)); - else - memset(new_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * - sizeof(struct MR_LD_VF_AFFILIATION)); + memset(new_affiliation_111, 0, + sizeof(struct MR_LD_VF_AFFILIATION_111)); } memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); @@ -1900,34 +1880,17 @@ static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, dcmd->flags = MFI_FRAME_DIR_BOTH; dcmd->timeout = 0; dcmd->pad_0 = 0; - if (instance->PlasmaFW111) { - dcmd->data_xfer_len = sizeof(struct MR_LD_VF_AFFILIATION_111); - dcmd->opcode = MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111; - } else { - dcmd->data_xfer_len = (MAX_LOGICAL_DRIVES + 1) * - sizeof(struct MR_LD_VF_AFFILIATION); - dcmd->opcode = MR_DCMD_LD_VF_MAP_GET_ALL_LDS; - } + dcmd->data_xfer_len = sizeof(struct MR_LD_VF_AFFILIATION_111); + dcmd->opcode = MR_DCMD_LD_VF_MAP_GET_ALL_LDS_111; - if (initial) { - if (instance->PlasmaFW111) - dcmd->sgl.sge32[0].phys_addr = - instance->vf_affiliation_111_h; - else - dcmd->sgl.sge32[0].phys_addr = - instance->vf_affiliation_h; - } else { - if (instance->PlasmaFW111) - dcmd->sgl.sge32[0].phys_addr = new_affiliation_111_h; - else - dcmd->sgl.sge32[0].phys_addr = new_affiliation_h; - } - if (instance->PlasmaFW111) - dcmd->sgl.sge32[0].length = - sizeof(struct MR_LD_VF_AFFILIATION_111); + if (initial) + dcmd->sgl.sge32[0].phys_addr = + instance->vf_affiliation_111_h; else - dcmd->sgl.sge32[0].length = (MAX_LOGICAL_DRIVES + 1) * - sizeof(struct MR_LD_VF_AFFILIATION); + dcmd->sgl.sge32[0].phys_addr = new_affiliation_111_h; + + dcmd->sgl.sge32[0].length = + sizeof(struct MR_LD_VF_AFFILIATION_111); printk(KERN_WARNING "megasas: SR-IOV: Getting LD/VF affiliation for " "scsi%d\n", instance->host->host_no); @@ -1943,80 +1906,213 @@ static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, } if (!initial) { - if (instance->PlasmaFW111) { - if (!new_affiliation_111->vdCount) { - printk(KERN_WARNING "megasas: SR-IOV: Got new " - "LD/VF affiliation for passive path " + thisVf = new_affiliation_111->thisVf; + for (ld = 0 ; ld < new_affiliation_111->vdCount; ld++) + if (instance->vf_affiliation_111->map[ld].policy[thisVf] != + new_affiliation_111->map[ld].policy[thisVf]) { + printk(KERN_WARNING "megasas: SR-IOV: " + "Got new LD/VF affiliation " "for scsi%d.\n", - instance->host->host_no); - retval = 1; - goto out; - } - thisVf = new_affiliation_111->thisVf; - for (ld = 0 ; ld < new_affiliation_111->vdCount; ld++) - if (instance->vf_affiliation_111->map[ld].policy[thisVf] != new_affiliation_111->map[ld].policy[thisVf]) { - printk(KERN_WARNING "megasas: SR-IOV: " - "Got new LD/VF affiliation " - "for scsi%d.\n", - instance->host->host_no); - memcpy(instance->vf_affiliation_111, - new_affiliation_111, - sizeof(struct MR_LD_VF_AFFILIATION_111)); - retval = 1; - goto out; - } - } else { - if (!new_affiliation->ldCount) { - printk(KERN_WARNING "megasas: SR-IOV: Got new " - "LD/VF affiliation for passive " - "path for scsi%d.\n", instance->host->host_no); + memcpy(instance->vf_affiliation_111, + new_affiliation_111, + sizeof(struct MR_LD_VF_AFFILIATION_111)); retval = 1; goto out; } - newmap = new_affiliation->map; - savedmap = instance->vf_affiliation->map; - thisVf = new_affiliation->thisVf; - for (ld = 0 ; ld < new_affiliation->ldCount; ld++) { - if (savedmap->policy[thisVf] != - newmap->policy[thisVf]) { - printk(KERN_WARNING "megasas: SR-IOV: " - "Got new LD/VF affiliation " - "for scsi%d.\n", - instance->host->host_no); - memcpy(instance->vf_affiliation, - new_affiliation, - new_affiliation->size); - retval = 1; - goto out; + } +out: + if (new_affiliation_111) { + pci_free_consistent(instance->pdev, + sizeof(struct MR_LD_VF_AFFILIATION_111), + new_affiliation_111, + new_affiliation_111_h); + } + megasas_return_cmd(instance, cmd); + + return retval; +} + +static int megasas_get_ld_vf_affiliation_12(struct megasas_instance *instance, + int initial) +{ + struct megasas_cmd *cmd; + struct megasas_dcmd_frame *dcmd; + struct MR_LD_VF_AFFILIATION *new_affiliation = NULL; + struct MR_LD_VF_MAP *newmap = NULL, *savedmap = NULL; + dma_addr_t new_affiliation_h; + int i, j, retval = 0, found = 0, doscan = 0; + u8 thisVf; + + cmd = megasas_get_cmd(instance); + + if (!cmd) { + printk(KERN_DEBUG "megasas: megasas_get_ld_vf_affiliation12: " + "Failed to get cmd for scsi%d.\n", + instance->host->host_no); + return -ENOMEM; + } + + dcmd = &cmd->frame->dcmd; + + if (!instance->vf_affiliation) { + printk(KERN_WARNING "megasas: SR-IOV: Couldn't get LD/VF " + "affiliation for scsi%d.\n", instance->host->host_no); + megasas_return_cmd(instance, cmd); + return -ENOMEM; + } + + if (initial) + memset(instance->vf_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION)); + else { + new_affiliation = + pci_alloc_consistent(instance->pdev, + (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION), + &new_affiliation_h); + if (!new_affiliation) { + printk(KERN_DEBUG "megasas: SR-IOV: Couldn't allocate " + "memory for new affiliation for scsi%d.\n", + instance->host->host_no); + megasas_return_cmd(instance, cmd); + return -ENOMEM; + } + memset(new_affiliation, 0, (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION)); + } + + memset(dcmd->mbox.b, 0, MFI_MBOX_SIZE); + + dcmd->cmd = MFI_CMD_DCMD; + dcmd->cmd_status = 0xFF; + dcmd->sge_count = 1; + dcmd->flags = MFI_FRAME_DIR_BOTH; + dcmd->timeout = 0; + dcmd->pad_0 = 0; + dcmd->data_xfer_len = (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION); + dcmd->opcode = MR_DCMD_LD_VF_MAP_GET_ALL_LDS; + + if (initial) + dcmd->sgl.sge32[0].phys_addr = instance->vf_affiliation_h; + else + dcmd->sgl.sge32[0].phys_addr = new_affiliation_h; + + dcmd->sgl.sge32[0].length = (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION); + + printk(KERN_WARNING "megasas: SR-IOV: Getting LD/VF affiliation for " + "scsi%d\n", instance->host->host_no); + + megasas_issue_blocked_cmd(instance, cmd, 0); + + if (dcmd->cmd_status) { + printk(KERN_WARNING "megasas: SR-IOV: LD/VF affiliation DCMD" + " failed with status 0x%x for scsi%d.\n", + dcmd->cmd_status, instance->host->host_no); + retval = 1; /* Do a scan if we couldn't get affiliation */ + goto out; + } + + if (!initial) { + if (!new_affiliation->ldCount) { + printk(KERN_WARNING "megasas: SR-IOV: Got new LD/VF " + "affiliation for passive path for scsi%d.\n", + instance->host->host_no); + retval = 1; + goto out; + } + newmap = new_affiliation->map; + savedmap = instance->vf_affiliation->map; + thisVf = new_affiliation->thisVf; + for (i = 0 ; i < new_affiliation->ldCount; i++) { + found = 0; + for (j = 0; j < instance->vf_affiliation->ldCount; + j++) { + if (newmap->ref.targetId == + savedmap->ref.targetId) { + found = 1; + if (newmap->policy[thisVf] != + savedmap->policy[thisVf]) { + doscan = 1; + goto out; + } } savedmap = (struct MR_LD_VF_MAP *) ((unsigned char *)savedmap + savedmap->size); + } + if (!found && newmap->policy[thisVf] != + MR_LD_ACCESS_HIDDEN) { + doscan = 1; + goto out; + } + newmap = (struct MR_LD_VF_MAP *) + ((unsigned char *)newmap + newmap->size); + } + + newmap = new_affiliation->map; + savedmap = instance->vf_affiliation->map; + + for (i = 0 ; i < instance->vf_affiliation->ldCount; i++) { + found = 0; + for (j = 0 ; j < new_affiliation->ldCount; j++) { + if (savedmap->ref.targetId == + newmap->ref.targetId) { + found = 1; + if (savedmap->policy[thisVf] != + newmap->policy[thisVf]) { + doscan = 1; + goto out; + } + } newmap = (struct MR_LD_VF_MAP *) ((unsigned char *)newmap + newmap->size); } + if (!found && savedmap->policy[thisVf] != + MR_LD_ACCESS_HIDDEN) { + doscan = 1; + goto out; + } + savedmap = (struct MR_LD_VF_MAP *) + ((unsigned char *)savedmap + + savedmap->size); } } out: - if (new_affiliation) { - if (instance->PlasmaFW111) - pci_free_consistent(instance->pdev, - sizeof(struct MR_LD_VF_AFFILIATION_111), - new_affiliation_111, - new_affiliation_111_h); - else - pci_free_consistent(instance->pdev, - (MAX_LOGICAL_DRIVES + 1) * - sizeof(struct MR_LD_VF_AFFILIATION), - new_affiliation, new_affiliation_h); + if (doscan) { + printk(KERN_WARNING "megasas: SR-IOV: Got new LD/VF " + "affiliation for scsi%d.\n", instance->host->host_no); + memcpy(instance->vf_affiliation, new_affiliation, + new_affiliation->size); + retval = 1; } + + if (new_affiliation) + pci_free_consistent(instance->pdev, + (MAX_LOGICAL_DRIVES + 1) * + sizeof(struct MR_LD_VF_AFFILIATION), + new_affiliation, new_affiliation_h); megasas_return_cmd(instance, cmd); return retval; } +/* This function will get the current SR-IOV LD/VF affiliation */ +static int megasas_get_ld_vf_affiliation(struct megasas_instance *instance, + int initial) +{ + int retval; + + if (instance->PlasmaFW111) + retval = megasas_get_ld_vf_affiliation_111(instance, initial); + else + retval = megasas_get_ld_vf_affiliation_12(instance, initial); + return retval; +} + /* This function will tell FW to start the SR-IOV heartbeat */ int megasas_sriov_start_heartbeat(struct megasas_instance *instance, int initial) |
