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Date: Mon, 16 Jul 2018 09:35:24 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Kashyap Desai <kashyap.desai@...adcom.com>,
Shivasharan S <shivasharan.srikanteshwara@...adcom.com>,
"Martin K. Petersen" <martin.petersen@...cle.com>
Subject: [PATCH 4.14 27/54] scsi: megaraid_sas: replace instance->ctrl_context checks with instance->adapter_type
4.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Shivasharan S <shivasharan.srikanteshwara@...adcom.com>
commit e7d36b88435077847e1ea992919c600f3fa9321c upstream.
Increase code readability. No functional change.
Signed-off-by: Kashyap Desai <kashyap.desai@...adcom.com>
Signed-off-by: Shivasharan S <shivasharan.srikanteshwara@...adcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/scsi/megaraid/megaraid_sas_base.c | 64 +++++++++++++++++-------------
1 file changed, 37 insertions(+), 27 deletions(-)
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2023,7 +2023,7 @@ void megaraid_sas_kill_hba(struct megasa
msleep(1000);
if ((instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
(instance->pdev->device == PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
- (instance->ctrl_context)) {
+ (instance->adapter_type != MFI_SERIES)) {
writel(MFI_STOP_ADP, &instance->reg_set->doorbell);
/* Flush */
readl(&instance->reg_set->doorbell);
@@ -2494,7 +2494,8 @@ int megasas_sriov_start_heartbeat(struct
dev_warn(&instance->pdev->dev, "SR-IOV: Starting heartbeat for scsi%d\n",
instance->host->host_no);
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
retval = megasas_issue_blocked_cmd(instance, cmd,
MEGASAS_ROUTINE_WAIT_TIME_VF);
else
@@ -2790,7 +2791,9 @@ static int megasas_reset_bus_host(struct
/*
* First wait for all commands to complete
*/
- if (instance->ctrl_context) {
+ if (instance->adapter_type == MFI_SERIES) {
+ ret = megasas_generic_reset(scmd);
+ } else {
struct megasas_cmd_fusion *cmd;
cmd = (struct megasas_cmd_fusion *)scmd->SCp.ptr;
if (cmd)
@@ -2798,8 +2801,7 @@ static int megasas_reset_bus_host(struct
MEGA_MPI2_RAID_DEFAULT_IO_FRAME_SIZE);
ret = megasas_reset_fusion(scmd->device->host,
SCSIIO_TIMEOUT_OCR);
- } else
- ret = megasas_generic_reset(scmd);
+ }
return ret;
}
@@ -2816,7 +2818,7 @@ static int megasas_task_abort(struct scs
instance = (struct megasas_instance *)scmd->device->host->hostdata;
- if (instance->ctrl_context)
+ if (instance->adapter_type != MFI_SERIES)
ret = megasas_task_abort_fusion(scmd);
else {
sdev_printk(KERN_NOTICE, scmd->device, "TASK ABORT not supported\n");
@@ -2838,7 +2840,7 @@ static int megasas_reset_target(struct s
instance = (struct megasas_instance *)scmd->device->host->hostdata;
- if (instance->ctrl_context)
+ if (instance->adapter_type != MFI_SERIES)
ret = megasas_reset_target_fusion(scmd);
else {
sdev_printk(KERN_NOTICE, scmd->device, "TARGET RESET not supported\n");
@@ -3715,7 +3717,7 @@ megasas_transition_to_ready(struct megas
PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
- (instance->ctrl_context))
+ (instance->adapter_type != MFI_SERIES))
writel(
MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG,
&instance->reg_set->doorbell);
@@ -3733,7 +3735,7 @@ megasas_transition_to_ready(struct megas
PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
- (instance->ctrl_context))
+ (instance->adapter_type != MFI_SERIES))
writel(MFI_INIT_HOTPLUG,
&instance->reg_set->doorbell);
else
@@ -3753,11 +3755,11 @@ megasas_transition_to_ready(struct megas
PCI_DEVICE_ID_LSI_SAS0073SKINNY) ||
(instance->pdev->device ==
PCI_DEVICE_ID_LSI_SAS0071SKINNY) ||
- (instance->ctrl_context)) {
+ (instance->adapter_type != MFI_SERIES)) {
writel(MFI_RESET_FLAGS,
&instance->reg_set->doorbell);
- if (instance->ctrl_context) {
+ if (instance->adapter_type != MFI_SERIES) {
for (i = 0; i < (10 * 1000); i += 20) {
if (readl(
&instance->
@@ -3924,7 +3926,8 @@ static int megasas_create_frame_pool(str
* max_sge_sz = 12 byte (sizeof megasas_sge64)
* Total 192 byte (3 MFI frame of 64 byte)
*/
- frame_count = instance->ctrl_context ? (3 + 1) : (15 + 1);
+ frame_count = (instance->adapter_type == MFI_SERIES) ?
+ (15 + 1) : (3 + 1);
instance->mfi_frame_size = MEGAMFI_FRAME_SIZE * frame_count;
/*
* Use DMA pool facility provided by PCI layer
@@ -3979,7 +3982,7 @@ static int megasas_create_frame_pool(str
memset(cmd->frame, 0, instance->mfi_frame_size);
cmd->frame->io.context = cpu_to_le32(cmd->index);
cmd->frame->io.pad_0 = 0;
- if (!instance->ctrl_context && reset_devices)
+ if ((instance->adapter_type == MFI_SERIES) && reset_devices)
cmd->frame->hdr.cmd = MFI_CMD_INVALID;
}
@@ -4099,7 +4102,7 @@ int megasas_alloc_cmds(struct megasas_in
inline int
dcmd_timeout_ocr_possible(struct megasas_instance *instance) {
- if (!instance->ctrl_context)
+ if (instance->adapter_type == MFI_SERIES)
return KILL_ADAPTER;
else if (instance->unload ||
test_bit(MEGASAS_FUSION_IN_RESET, &instance->reset_flags))
@@ -4143,7 +4146,8 @@ megasas_get_pd_info(struct megasas_insta
dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->pd_info_h);
dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_PD_INFO));
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
else
ret = megasas_issue_polled(instance, cmd);
@@ -4240,7 +4244,8 @@ megasas_get_pd_list(struct megasas_insta
dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(ci_h);
dcmd->sgl.sge32[0].length = cpu_to_le32(MEGASAS_MAX_PD * sizeof(struct MR_PD_LIST));
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance, cmd,
MFI_IO_TIMEOUT_SECS);
else
@@ -4251,7 +4256,7 @@ megasas_get_pd_list(struct megasas_insta
dev_info(&instance->pdev->dev, "MR_DCMD_PD_LIST_QUERY "
"failed/not supported by firmware\n");
- if (instance->ctrl_context)
+ if (instance->adapter_type != MFI_SERIES)
megaraid_sas_kill_hba(instance);
else
instance->pd_list_not_supported = 1;
@@ -4372,7 +4377,8 @@ megasas_get_ld_list(struct megasas_insta
dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_LD_LIST));
dcmd->pad_0 = 0;
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance, cmd,
MFI_IO_TIMEOUT_SECS);
else
@@ -4491,7 +4497,8 @@ megasas_ld_list_query(struct megasas_ins
dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct MR_LD_TARGETID_LIST));
dcmd->pad_0 = 0;
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
else
ret = megasas_issue_polled(instance, cmd);
@@ -4664,7 +4671,8 @@ megasas_get_ctrl_info(struct megasas_ins
dcmd->sgl.sge32[0].length = cpu_to_le32(sizeof(struct megasas_ctrl_info));
dcmd->mbox.b[0] = 1;
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
else
ret = megasas_issue_polled(instance, cmd);
@@ -4783,7 +4791,8 @@ int megasas_set_crash_dump_params(struct
dcmd->sgl.sge32[0].phys_addr = cpu_to_le32(instance->crash_dump_h);
dcmd->sgl.sge32[0].length = cpu_to_le32(CRASH_DMA_BUF_SIZE);
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance, cmd, MFI_IO_TIMEOUT_SECS);
else
ret = megasas_issue_polled(instance, cmd);
@@ -5170,7 +5179,7 @@ static int megasas_init_fw(struct megasa
reg_set = instance->reg_set;
- if (fusion)
+ if (instance->adapter_type != MFI_SERIES)
instance->instancet = &megasas_instance_template_fusion;
else {
switch (instance->pdev->device) {
@@ -5805,7 +5814,8 @@ megasas_get_target_prop(struct megasas_i
dcmd->sgl.sge32[0].length =
cpu_to_le32(sizeof(struct MR_TARGET_PROPERTIES));
- if (instance->ctrl_context && !instance->mask_interrupts)
+ if ((instance->adapter_type != MFI_SERIES) &&
+ !instance->mask_interrupts)
ret = megasas_issue_blocked_cmd(instance,
cmd, MFI_IO_TIMEOUT_SECS);
else
@@ -6186,7 +6196,7 @@ static int megasas_probe_one(struct pci_
instance->disableOnlineCtrlReset = 1;
instance->UnevenSpanSupport = 0;
- if (instance->ctrl_context) {
+ if (instance->adapter_type != MFI_SERIES) {
INIT_WORK(&instance->work_init, megasas_fusion_ocr_wq);
INIT_WORK(&instance->crash_init, megasas_fusion_crash_dump_wq);
} else
@@ -6266,7 +6276,7 @@ fail_io_attach:
instance->instancet->disable_intr(instance);
megasas_destroy_irqs(instance);
- if (instance->ctrl_context)
+ if (instance->adapter_type != MFI_SERIES)
megasas_release_fusion(instance);
else
megasas_release_mfi(instance);
@@ -6500,7 +6510,7 @@ megasas_resume(struct pci_dev *pdev)
if (rval < 0)
goto fail_reenable_msix;
- if (instance->ctrl_context) {
+ if (instance->adapter_type != MFI_SERIES) {
megasas_reset_reply_desc(instance);
if (megasas_ioc_init_fusion(instance)) {
megasas_free_cmds(instance);
@@ -6684,7 +6694,7 @@ skip_firing_dcmds:
}
- if (instance->ctrl_context) {
+ if (instance->adapter_type != MFI_SERIES) {
megasas_release_fusion(instance);
pd_seq_map_sz = sizeof(struct MR_PD_CFG_SEQ_NUM_SYNC) +
(sizeof(struct MR_PD_CFG_SEQ) *
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