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hw/scsi: Rename SCSIRequest::resid as 'residual'

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The 'resid' field is slightly confusing and could be
interpreted as some ID. Rename it as 'residual' which
is clearer to review. No logical change.

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220111184309.28637-8-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-12-31 11:13:34 +01:00 • committed by Philippe Mathieu-Daudé
parent ce0a798285
commit 5f412602de
5 changed files with 47 additions and 39 deletions
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42
hw/scsi/megasas.c
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@ -1045,7 +1045,8 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun,
uint64_t pd_size;
uint16_t pd_id = ((sdev->id & 0xFF) << 8) | (lun & 0xFF);
uint8_t cmdbuf[6];
size_t len, resid;
size_t len;
size_t residual;
if (!cmd->iov_buf) {
cmd->iov_buf = g_malloc0(dcmd_size);
@ -1112,9 +1113,10 @@ static int megasas_pd_get_info_submit(SCSIDevice *sdev, int lun,
info->connected_port_bitmap = 0x1;
info->device_speed = 1;
info->link_speed = 1;
resid = dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECIFIED);
residual = dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg,
MEMTXATTRS_UNSPECIFIED);
g_free(cmd->iov_buf);
cmd->iov_size = dcmd_size - resid;
cmd->iov_size = dcmd_size - residual;
cmd->iov_buf = NULL;
return MFI_STAT_OK;
}
@ -1149,7 +1151,8 @@ static int megasas_dcmd_pd_get_info(MegasasState *s, MegasasCmd *cmd)
static int megasas_dcmd_ld_get_list(MegasasState *s, MegasasCmd *cmd)
{
struct mfi_ld_list info;
size_t dcmd_size = sizeof(info), resid;
size_t dcmd_size = sizeof(info);
size_t residual;
uint32_t num_ld_disks = 0, max_ld_disks;
uint64_t ld_size;
BusChild *kid;
@ -1184,8 +1187,9 @@ static int megasas_dcmd_ld_get_list(MegasasState *s, MegasasCmd *cmd)
info.ld_count = cpu_to_le32(num_ld_disks);
trace_megasas_dcmd_ld_get_list(cmd->index, num_ld_disks, max_ld_disks);
resid = dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECIFIED);
cmd->iov_size = dcmd_size - resid;
residual = dma_buf_read(&info, dcmd_size, &cmd->qsg,
MEMTXATTRS_UNSPECIFIED);
cmd->iov_size = dcmd_size - residual;
return MFI_STAT_OK;
}
@ -1193,7 +1197,8 @@ static int megasas_dcmd_ld_list_query(MegasasState *s, MegasasCmd *cmd)
{
uint16_t flags;
struct mfi_ld_targetid_list info;
size_t dcmd_size = sizeof(info), resid;
size_t dcmd_size = sizeof(info);
size_t residual;
uint32_t num_ld_disks = 0, max_ld_disks = s->fw_luns;
BusChild *kid;
@ -1233,8 +1238,9 @@ static int megasas_dcmd_ld_list_query(MegasasState *s, MegasasCmd *cmd)
info.size = dcmd_size;
trace_megasas_dcmd_ld_get_list(cmd->index, num_ld_disks, max_ld_disks);
resid = dma_buf_read(&info, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECIFIED);
cmd->iov_size = dcmd_size - resid;
residual = dma_buf_read(&info, dcmd_size, &cmd->qsg,
MEMTXATTRS_UNSPECIFIED);
cmd->iov_size = dcmd_size - residual;
return MFI_STAT_OK;
}
@ -1244,7 +1250,8 @@ static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun,
struct mfi_ld_info *info = cmd->iov_buf;
size_t dcmd_size = sizeof(struct mfi_ld_info);
uint8_t cdb[6];
ssize_t len, resid;
ssize_t len;
size_t residual;
uint16_t sdev_id = ((sdev->id & 0xFF) << 8) | (lun & 0xFF);
uint64_t ld_size;
@ -1283,9 +1290,10 @@ static int megasas_ld_get_info_submit(SCSIDevice *sdev, int lun,
info->ld_config.span[0].num_blocks = info->size;
info->ld_config.span[0].array_ref = cpu_to_le16(sdev_id);
resid = dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECIFIED);
residual = dma_buf_read(cmd->iov_buf, dcmd_size, &cmd->qsg,
MEMTXATTRS_UNSPECIFIED);
g_free(cmd->iov_buf);
cmd->iov_size = dcmd_size - resid;
cmd->iov_size = dcmd_size - residual;
cmd->iov_buf = NULL;
return MFI_STAT_OK;
}
@ -1617,13 +1625,13 @@ static int megasas_handle_dcmd(MegasasState *s, MegasasCmd *cmd)
}
static int megasas_finish_internal_dcmd(MegasasCmd *cmd,
SCSIRequest *req, size_t resid)
SCSIRequest *req, size_t residual)
{
int retval = MFI_STAT_OK;
int lun = req->lun;
trace_megasas_dcmd_internal_finish(cmd->index, cmd->dcmd_opcode, lun);
cmd->iov_size -= resid;
cmd->iov_size -= residual;
switch (cmd->dcmd_opcode) {
case MFI_DCMD_PD_GET_INFO:
retval = megasas_pd_get_info_submit(req->dev, lun, cmd);
@ -1865,12 +1873,12 @@ static void megasas_xfer_complete(SCSIRequest *req, uint32_t len)
}
}
static void megasas_command_complete(SCSIRequest *req, size_t resid)
static void megasas_command_complete(SCSIRequest *req, size_t residual)
{
MegasasCmd *cmd = req->hba_private;
uint8_t cmd_status = MFI_STAT_OK;
trace_megasas_command_complete(cmd->index, req->status, resid);
trace_megasas_command_complete(cmd->index, req->status, residual);
if (req->io_canceled) {
return;
@ -1880,7 +1888,7 @@ static void megasas_command_complete(SCSIRequest *req, size_t resid)
/*
* Internal command complete
*/
cmd_status = megasas_finish_internal_dcmd(cmd, req, resid);
cmd_status = megasas_finish_internal_dcmd(cmd, req, residual);
if (cmd_status == MFI_STAT_INVALID_STATUS) {
return;
}